/*
- * "$Id: client.c 4912 2006-01-10 21:43:56Z mike $"
+ * "$Id: client.c 7950 2008-09-17 00:21:59Z mike $"
*
- * Client routines for the Common UNIX Printing System (CUPS) scheduler.
+ * Client routines for the CUPS scheduler.
*
- * Copyright 1997-2006 by Easy Software Products, all rights reserved.
+ * Copyright 2007-2010 by Apple Inc.
+ * Copyright 1997-2007 by Easy Software Products, all rights reserved.
*
- * These coded instructions, statements, and computer programs are the
- * property of Easy Software Products and are protected by Federal
- * copyright law. Distribution and use rights are outlined in the file
- * "LICENSE.txt" which should have been included with this file. If this
- * file is missing or damaged please contact Easy Software Products
- * at:
- *
- * Attn: CUPS Licensing Information
- * Easy Software Products
- * 44141 Airport View Drive, Suite 204
- * Hollywood, Maryland 20636 USA
+ * This file contains Kerberos support code, copyright 2006 by
+ * Jelmer Vernooij.
*
- * Voice: (301) 373-9600
- * EMail: cups-info@cups.org
- * WWW: http://www.cups.org
+ * These coded instructions, statements, and computer programs are the
+ * property of Apple Inc. and are protected by Federal copyright
+ * law. Distribution and use rights are outlined in the file "LICENSE.txt"
+ * which should have been included with this file. If this file is
+ * file is missing or damaged, see the license at "http://www.cups.org/".
*
* Contents:
*
- * cupsdAcceptClient() - Accept a new client.
- * cupsdCloseAllClients() - Close all remote clients immediately.
- * cupsdCloseClient() - Close a remote client.
- * cupsdEncryptClient() - Enable encryption for the client...
- * cupsdIsCGI() - Is the resource a CGI script/program?
- * cupsdReadClient() - Read data from a client.
- * cupsdSendCommand() - Send output from a command via HTTP.
- * cupsdSendError() - Send an error message via HTTP.
- * cupsdSendFile() - Send a file via HTTP.
- * cupsdSendHeader() - Send an HTTP request.
- * cupsdUpdateCGI() - Read status messages from CGI scripts and programs.
- * cupsdWriteClient() - Write data to a client as needed.
- * check_if_modified() - Decode an "If-Modified-Since" line.
- * get_cdsa_server_certs() - Convert a keychain name into the CFArrayRef
- * required by SSLSetCertificate.
- * get_file() - Get a filename and state info.
- * install_conf_file() - Install a configuration file.
- * is_path_absolute() - Is a path absolute and free of relative elements.
- * pipe_command() - Pipe the output of a command to the remote client.
+ * cupsdAcceptClient() - Accept a new client.
+ * cupsdCloseAllClients() - Close all remote clients immediately.
+ * cupsdCloseClient() - Close a remote client.
+ * cupsdFlushHeader() - Flush the header fields to the client.
+ * cupsdReadClient() - Read data from a client.
+ * cupsdSendCommand() - Send output from a command via HTTP.
+ * cupsdSendError() - Send an error message via HTTP.
+ * cupsdSendHeader() - Send an HTTP request.
+ * cupsdUpdateCGI() - Read status messages from CGI scripts and
+ * programs.
+ * cupsdWriteClient() - Write data to a client as needed.
+ * check_if_modified() - Decode an "If-Modified-Since" line.
+ * compare_clients() - Compare two client connections.
+ * data_ready() - Check whether data is available from a client.
+ * encrypt_client() - Enable encryption for the client...
+ * get_cdsa_certificate() - Get a SSL/TLS certificate from the System
+ * keychain.
+ * get_file() - Get a filename and state info.
+ * install_conf_file() - Install a configuration file.
+ * is_cgi() - Is the resource a CGI script/program?
+ * is_path_absolute() - Is a path absolute and free of relative elements
+ * (i.e. "..").
+ * make_certificate() - Make a self-signed SSL/TLS certificate.
+ * pipe_command() - Pipe the output of a command to the remote client.
+ * valid_host() - Is the Host: field valid?
+ * write_file() - Send a file via HTTP.
+ * write_pipe() - Flag that data is available on the CGI pipe.
*/
/*
* Include necessary headers...
*/
-#include <cups/http-private.h>
#include "cupsd.h"
-#ifdef HAVE_CDSASSL
-# include <Security/Security.h>
-#endif /* HAVE_CDSASSL */
+#ifdef HAVE_TCPD_H
+# include <tcpd.h>
+#endif /* HAVE_TCPD_H */
/*
static int check_if_modified(cupsd_client_t *con,
struct stat *filestats);
+static int compare_clients(cupsd_client_t *a, cupsd_client_t *b,
+ void *data);
+static int data_ready(cupsd_client_t *con);
+#ifdef HAVE_SSL
+static int encrypt_client(cupsd_client_t *con);
+#endif /* HAVE_SSL */
#ifdef HAVE_CDSASSL
-static CFArrayRef get_cdsa_server_certs(void);
+static CFArrayRef get_cdsa_certificate(cupsd_client_t *con);
#endif /* HAVE_CDSASSL */
-static char *get_file(cupsd_client_t *con, struct stat *filestats,
+static char *get_file(cupsd_client_t *con, struct stat *filestats,
char *filename, int len);
static http_status_t install_conf_file(cupsd_client_t *con);
+static int is_cgi(cupsd_client_t *con, const char *filename,
+ struct stat *filestats, mime_type_t *type);
static int is_path_absolute(const char *path);
+#ifdef HAVE_SSL
+static int make_certificate(cupsd_client_t *con);
+#endif /* HAVE_SSL */
static int pipe_command(cupsd_client_t *con, int infile, int *outfile,
char *command, char *options, int root);
+static int valid_host(cupsd_client_t *con);
+static int write_file(cupsd_client_t *con, http_status_t code,
+ char *filename, char *type,
+ struct stat *filestats);
+static void write_pipe(cupsd_client_t *con);
/*
void
cupsdAcceptClient(cupsd_listener_t *lis)/* I - Listener socket */
{
- int i; /* Looping var */
int count; /* Count of connections on a host */
int val; /* Parameter value */
- cupsd_client_t *con; /* New client pointer */
+ cupsd_client_t *con, /* New client pointer */
+ *tempcon; /* Temporary client pointer */
http_addrlist_t *addrlist, /* List of adddresses for host */
*addr; /* Current address */
socklen_t addrlen; /* Length of address */
char *hostname; /* Hostname for address */
http_addr_t temp; /* Temporary address variable */
static time_t last_dos = 0; /* Time of last DoS attack */
+#ifdef HAVE_TCPD_H
+ struct request_info wrap_req; /* TCP wrappers request information */
+#endif /* HAVE_TCPD_H */
cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdAcceptClient(lis=%p) %d NumClients = %d",
- lis, lis->fd, NumClients);
+ "cupsdAcceptClient(lis=%p(%d)) Clients=%d",
+ lis, lis->fd, cupsArrayCount(Clients));
/*
* Make sure we don't have a full set of clients already...
*/
- if (NumClients == MaxClients)
+ if (cupsArrayCount(Clients) == MaxClients)
return;
/*
* Get a pointer to the next available client...
*/
- con = Clients + NumClients;
+ if (!Clients)
+ Clients = cupsArrayNew(NULL, NULL);
+
+ if (!Clients)
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "Unable to allocate memory for clients array!");
+ cupsdPauseListening();
+ return;
+ }
+
+ if (!ActiveClients)
+ ActiveClients = cupsArrayNew((cups_array_func_t)compare_clients, NULL);
+
+ if (!ActiveClients)
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "Unable to allocate memory for active clients array!");
+ cupsdPauseListening();
+ return;
+ }
+
+ if ((con = calloc(1, sizeof(cupsd_client_t))) == NULL)
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to allocate memory for client!");
+ cupsdPauseListening();
+ return;
+ }
- memset(con, 0, sizeof(cupsd_client_t));
con->http.activity = time(NULL);
con->file = -1;
con->http.hostaddr = &(con->clientaddr);
if ((con->http.fd = accept(lis->fd, (struct sockaddr *)con->http.hostaddr,
&addrlen)) < 0)
{
+ if (errno == ENFILE || errno == EMFILE)
+ cupsdPauseListening();
+
cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to accept client connection - %s.",
strerror(errno));
+ free(con);
+
return;
}
* Check the number of clients on the same address...
*/
- for (i = 0, count = 0; i < NumClients; i ++)
- if (httpAddrEqual(Clients[i].http.hostaddr, con->http.hostaddr))
+ for (count = 0, tempcon = (cupsd_client_t *)cupsArrayFirst(Clients);
+ tempcon;
+ tempcon = (cupsd_client_t *)cupsArrayNext(Clients))
+ if (httpAddrEqual(tempcon->http.hostaddr, con->http.hostaddr))
{
count ++;
if (count >= MaxClientsPerHost)
{
last_dos = time(NULL);
cupsdLogMessage(CUPSD_LOG_WARN,
- "Possible DoS attack - more than %d clients connecting from %s!",
- MaxClientsPerHost, Clients[i].http.hostname);
+ "Possible DoS attack - more than %d clients connecting "
+ "from %s!",
+ MaxClientsPerHost,
+ httpAddrString(con->http.hostaddr, con->http.hostname,
+ sizeof(con->http.hostname)));
}
#ifdef WIN32
close(con->http.fd);
#endif /* WIN32 */
+ free(con);
return;
}
* Map accesses from the same host to the server name.
*/
- for (addr = ServerAddrs; addr; addr = addr->next)
- if (httpAddrEqual(con->http.hostaddr, &(addr->addr)))
- break;
-
- if (addr)
- {
- strlcpy(con->http.hostname, ServerName, sizeof(con->http.hostname));
- hostname = con->http.hostname;
- }
- else if (HostNameLookups)
+ if (HostNameLookups)
hostname = httpAddrLookup(con->http.hostaddr, con->http.hostname,
sizeof(con->http.hostname));
else
* Can't have an unresolved IP address with double-lookups enabled...
*/
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdAcceptClient: Closing connection %d...",
- con->http.fd);
-
#ifdef WIN32
closesocket(con->http.fd);
#else
cupsdLogMessage(CUPSD_LOG_WARN,
"Name lookup failed - connection from %s closed!",
con->http.hostname);
+
+ free(con);
return;
}
* Do double lookups as needed...
*/
- if ((addrlist = httpAddrGetList(con->http.hostname, AF_UNSPEC, NULL)) != NULL)
+ if ((addrlist = httpAddrGetList(con->http.hostname, AF_UNSPEC, NULL))
+ != NULL)
{
/*
* See if the hostname maps to the same IP address...
* with double-lookups enabled...
*/
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdAcceptClient: Closing connection %d...",
- con->http.fd);
-
#ifdef WIN32
closesocket(con->http.fd);
#else
cupsdLogMessage(CUPSD_LOG_WARN,
"IP lookup failed - connection from %s closed!",
con->http.hostname);
+ free(con);
return;
}
}
+#ifdef HAVE_TCPD_H
+ /*
+ * See if the connection is denied by TCP wrappers...
+ */
+
+ request_init(&wrap_req, RQ_DAEMON, "cupsd", RQ_FILE, con->http.fd, NULL);
+ fromhost(&wrap_req);
+
+ if (!hosts_access(&wrap_req))
+ {
+#ifdef WIN32
+ closesocket(con->http.fd);
+#else
+ close(con->http.fd);
+#endif /* WIN32 */
+
+ cupsdLogMessage(CUPSD_LOG_WARN,
+ "Connection from %s refused by /etc/hosts.allow and "
+ "/etc/hosts.deny rules.", con->http.hostname);
+ free(con);
+ return;
+ }
+#endif /* HAVE_TCPD_H */
+
#ifdef AF_INET6
if (con->http.hostaddr->addr.sa_family == AF_INET6)
cupsdLogMessage(CUPSD_LOG_DEBUG, "cupsdAcceptClient: %d from %s:%d (IPv6)",
#ifdef AF_INET6
if (temp.addr.sa_family == AF_INET6)
{
- httpAddrLookup(&temp, con->servername, sizeof(con->servername));
+ if (httpAddrLocalhost(&temp))
+ strlcpy(con->servername, "localhost", sizeof(con->servername));
+ else if (HostNameLookups || RemotePort)
+ httpAddrLookup(&temp, con->servername, sizeof(con->servername));
+ else
+ httpAddrString(&temp, con->servername, sizeof(con->servername));
+
con->serverport = ntohs(lis->address.ipv6.sin6_port);
}
else
#endif /* AF_INET6 */
if (temp.addr.sa_family == AF_INET)
{
- httpAddrLookup(&temp, con->servername, sizeof(con->servername));
+ if (httpAddrLocalhost(&temp))
+ strlcpy(con->servername, "localhost", sizeof(con->servername));
+ else if (HostNameLookups || RemotePort)
+ httpAddrLookup(&temp, con->servername, sizeof(con->servername));
+ else
+ httpAddrString(&temp, con->servername, sizeof(con->servername));
+
con->serverport = ntohs(lis->address.ipv4.sin_port);
}
else
}
}
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdAcceptClient: %d connected to server on %s:%d",
- con->http.fd, con->servername, con->serverport);
+ cupsArrayAdd(Clients, con);
/*
- * Using TCP_NODELAY improves responsiveness, especially on systems
- * with a slow loopback interface... Since we write large buffers
- * when sending print files and requests, there shouldn't be any
- * performance penalty for this...
+ * Using TCP_NODELAY improves responsiveness, especially on systems with a slow
+ * loopback interface. Since we write large buffers when sending print files
+ * and requests there shouldn't be any performance penalty for this...
*/
val = 1;
- setsockopt(con->http.fd, IPPROTO_TCP, TCP_NODELAY, &val, sizeof(val));
+ setsockopt(con->http.fd, IPPROTO_TCP, TCP_NODELAY, &val, sizeof(val));
/*
* Close this file on all execs...
fcntl(con->http.fd, F_SETFD, fcntl(con->http.fd, F_GETFD) | FD_CLOEXEC);
/*
- * Add the socket to the select() input mask.
+ * Add the socket to the server select.
*/
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdAcceptClient: Adding fd %d to InputSet...",
- con->http.fd);
- FD_SET(con->http.fd, InputSet);
-
- NumClients ++;
+ cupsdAddSelect(con->http.fd, (cupsd_selfunc_t)cupsdReadClient, NULL, con);
/*
* Temporarily suspend accept()'s until we lose a client...
*/
- if (NumClients == MaxClients)
+ if (cupsArrayCount(Clients) == MaxClients)
cupsdPauseListening();
#ifdef HAVE_SSL
con->http.encryption = HTTP_ENCRYPT_ALWAYS;
- cupsdEncryptClient(con);
+ if (!encrypt_client(con))
+ cupsdCloseClient(con);
}
else
con->auto_ssl = 1;
void
cupsdCloseAllClients(void)
{
- while (NumClients > 0)
- cupsdCloseClient(Clients);
+ cupsd_client_t *con; /* Current client */
+
+
+ cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdCloseAllClients() Clients=%d",
+ cupsArrayCount(Clients));
+
+ for (con = (cupsd_client_t *)cupsArrayFirst(Clients);
+ con;
+ con = (cupsd_client_t *)cupsArrayNext(Clients))
+ if (cupsdCloseClient(con))
+ cupsdCloseClient(con);
}
int partial; /* Do partial close for SSL? */
#ifdef HAVE_LIBSSL
SSL_CTX *context; /* Context for encryption */
- SSL *conn; /* Connection for encryption */
unsigned long error; /* Error code */
#elif defined(HAVE_GNUTLS)
- http_tls_t *conn; /* TLS connection information */
- int error; /* Error code */
+ int error; /* Error code */
gnutls_certificate_server_credentials *credentials;
/* TLS credentials */
+# elif defined(HAVE_CDSASSL)
#endif /* HAVE_LIBSSL */
partial = 1;
# ifdef HAVE_LIBSSL
- conn = (SSL *)(con->http.tls);
- context = SSL_get_SSL_CTX(conn);
+ context = SSL_get_SSL_CTX(con->http.tls);
- switch (SSL_shutdown(conn))
+ switch (SSL_shutdown(con->http.tls))
{
case 1 :
- cupsdLogMessage(CUPSD_LOG_INFO,
- "cupsdCloseClient: SSL shutdown successful!");
+ cupsdLogMessage(CUPSD_LOG_DEBUG,
+ "SSL shutdown successful!");
break;
case -1 :
cupsdLogMessage(CUPSD_LOG_ERROR,
- "cupsdCloseClient: Fatal error during SSL shutdown!");
+ "Fatal error during SSL shutdown!");
default :
while ((error = ERR_get_error()) != 0)
- cupsdLogMessage(CUPSD_LOG_ERROR, "cupsdCloseClient: %s",
+ cupsdLogMessage(CUPSD_LOG_ERROR, "SSL shutdown failed: %s",
ERR_error_string(error, NULL));
break;
}
SSL_CTX_free(context);
- SSL_free(conn);
+ SSL_free(con->http.tls);
# elif defined(HAVE_GNUTLS)
- conn = (http_tls_t *)(con->http.tls);
- credentials = (gnutls_certificate_server_credentials *)(conn->credentials);
+ credentials = (gnutls_certificate_server_credentials *)(con->http.tls_credentials);
- error = gnutls_bye(conn->session, GNUTLS_SHUT_WR);
+ error = gnutls_bye(con->http.tls, GNUTLS_SHUT_WR);
switch (error)
{
case GNUTLS_E_SUCCESS:
- cupsdLogMessage(CUPSD_LOG_INFO,
- "cupsdCloseClient: SSL shutdown successful!");
+ cupsdLogMessage(CUPSD_LOG_DEBUG,
+ "SSL shutdown successful!");
break;
default:
cupsdLogMessage(CUPSD_LOG_ERROR,
- "cupsdCloseClient: %s", gnutls_strerror(error));
+ "SSL shutdown failed: %s", gnutls_strerror(error));
break;
}
- gnutls_deinit(conn->session);
+ gnutls_deinit(con->http.tls);
gnutls_certificate_free_credentials(*credentials);
free(credentials);
- free(conn);
# elif defined(HAVE_CDSASSL)
- SSLClose((SSLContextRef)con->http.tls);
- SSLDisposeContext((SSLContextRef)con->http.tls);
+ while (SSLClose(con->http.tls) == errSSLWouldBlock)
+ usleep(1000);
+
+ SSLDisposeContext(con->http.tls);
+
+ if (con->http.tls_credentials)
+ CFRelease(con->http.tls_credentials);
+
# endif /* HAVE_LIBSSL */
con->http.tls = NULL;
* Stop any CGI process...
*/
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdCloseClient: %d Killing process ID %d...",
- con->http.fd, con->pipe_pid);
cupsdEndProcess(con->pipe_pid, 1);
con->pipe_pid = 0;
}
if (con->file >= 0)
{
- if (FD_ISSET(con->file, InputSet))
- {
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdCloseClient: %d Removing fd %d from InputSet...",
- con->http.fd, con->file);
- FD_CLR(con->file, InputSet);
- }
-
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdCloseClient: %d Closing data file %d.",
- con->http.fd, con->file);
+ cupsdRemoveSelect(con->file);
close(con->file);
con->file = -1;
* Close the socket and clear the file from the input set for select()...
*/
- if (con->http.fd > 0)
+ if (con->http.fd >= 0)
{
+ cupsArrayRemove(ActiveClients, con);
+ cupsdSetBusyState();
+
if (partial)
{
/*
* Only do a partial close so that the encrypted client gets everything.
*/
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdCloseClient: Removing fd %d from OutputSet...",
- con->http.fd);
shutdown(con->http.fd, 0);
- FD_CLR(con->http.fd, OutputSet);
+ cupsdAddSelect(con->http.fd, (cupsd_selfunc_t)cupsdReadClient, NULL, con);
}
else
{
* Shut the socket down fully...
*/
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdCloseClient: Removing fd %d from InputSet and OutputSet...",
- con->http.fd);
+ cupsdRemoveSelect(con->http.fd);
close(con->http.fd);
- FD_CLR(con->http.fd, InputSet);
- FD_CLR(con->http.fd, OutputSet);
con->http.fd = -1;
}
}
free(con->http.input_set);
httpClearCookie(HTTP(con));
+ httpClearFields(HTTP(con));
cupsdClearString(&con->filename);
cupsdClearString(&con->command);
cupsdClearString(&con->options);
+ cupsdClearString(&con->query_string);
if (con->request)
{
con->language = NULL;
}
+#ifdef HAVE_AUTHORIZATION_H
+ if (con->authref)
+ {
+ AuthorizationFree(con->authref, kAuthorizationFlagDefaults);
+ con->authref = NULL;
+ }
+#endif /* HAVE_AUTHORIZATION_H */
+
/*
* Re-enable new client connections if we are going back under the
* limit...
*/
- if (NumClients == MaxClients)
+ if (cupsArrayCount(Clients) == MaxClients)
cupsdResumeListening();
/*
* Compact the list of clients as necessary...
*/
- NumClients --;
+ cupsArrayRemove(Clients, con);
- if (con < (Clients + NumClients))
- memmove(con, con + 1, (Clients + NumClients - con) * sizeof(cupsd_client_t));
+ free(con);
}
return (partial);
/*
- * 'cupsdEncryptClient()' - Enable encryption for the client...
+ * 'cupsdFlushHeader()' - Flush the header fields to the client.
*/
-int /* O - 1 on success, 0 on error */
-cupsdEncryptClient(cupsd_client_t *con) /* I - Client to encrypt */
+int /* I - Bytes written or -1 on error */
+cupsdFlushHeader(cupsd_client_t *con) /* I - Client to flush to */
{
-#ifdef HAVE_LIBSSL
- SSL_CTX *context; /* Context for encryption */
- SSL *conn; /* Connection for encryption */
- unsigned long error; /* Error code */
-
-
- /*
- * Create the SSL context and accept the connection...
- */
-
- context = SSL_CTX_new(SSLv23_server_method());
-
- SSL_CTX_set_options(context, SSL_OP_NO_SSLv2); /* Only use SSLv3 or TLS */
- SSL_CTX_use_PrivateKey_file(context, ServerKey, SSL_FILETYPE_PEM);
- SSL_CTX_use_certificate_file(context, ServerCertificate, SSL_FILETYPE_PEM);
+ int bytes = httpFlushWrite(HTTP(con));
- conn = SSL_new(context);
+ con->http.data_encoding = HTTP_ENCODE_LENGTH;
- SSL_set_fd(conn, con->http.fd);
- if (SSL_accept(conn) != 1)
- {
- cupsdLogMessage(CUPSD_LOG_ERROR,
- "cupsdEncryptClient: Unable to encrypt connection from %s!",
- con->http.hostname);
-
- while ((error = ERR_get_error()) != 0)
- cupsdLogMessage(CUPSD_LOG_ERROR, "cupsdEncryptClient: %s",
- ERR_error_string(error, NULL));
+ return (bytes);
+}
- SSL_CTX_free(context);
- SSL_free(conn);
- return (0);
- }
- cupsdLogMessage(CUPSD_LOG_DEBUG,
- "cupsdEncryptClient: %d Connection from %s now encrypted.",
- con->http.fd, con->http.hostname);
+/*
+ * 'cupsdReadClient()' - Read data from a client.
+ */
- con->http.tls = conn;
- return (1);
-
-#elif defined(HAVE_GNUTLS)
- http_tls_t *conn; /* TLS session object */
- int error; /* Error code */
- gnutls_certificate_server_credentials *credentials;
- /* TLS credentials */
+void
+cupsdReadClient(cupsd_client_t *con) /* I - Client to read from */
+{
+ char line[32768], /* Line from client... */
+ operation[64], /* Operation code from socket */
+ version[64], /* HTTP version number string */
+ locale[64], /* Locale */
+ *ptr; /* Pointer into strings */
+ int major, minor; /* HTTP version numbers */
+ http_status_t status; /* Transfer status */
+ ipp_state_t ipp_state; /* State of IPP transfer */
+ int bytes; /* Number of bytes to POST */
+ char *filename; /* Name of file for GET/HEAD */
+ char buf[1024]; /* Buffer for real filename */
+ struct stat filestats; /* File information */
+ mime_type_t *type; /* MIME type of file */
+ cupsd_printer_t *p; /* Printer */
+ static unsigned request_id = 0; /* Request ID for temp files */
- /*
- * Create the SSL object and perform the SSL handshake...
- */
- conn = (http_tls_t *)malloc(sizeof(gnutls_session));
+ status = HTTP_CONTINUE;
- if (conn == NULL)
- return (0);
+ cupsdLogMessage(CUPSD_LOG_DEBUG2,
+ "cupsdReadClient(con=%p(%d)) "
+ "con->http.error=%d "
+ "con->http.used=%d, "
+ "con->http.state=%d "
+ "con->data_encoding=HTTP_ENCODE_%s, "
+ "con->data_remaining=" CUPS_LLFMT ", "
+ "con->file=%d",
+ con, con->http.fd, con->http.error, con->http.used,
+ con->http.state,
+ con->http.data_encoding == HTTP_ENCODE_CHUNKED ?
+ "CHUNKED" : "LENGTH",
+ CUPS_LLCAST con->http.data_remaining, con->file);
- credentials = (gnutls_certificate_server_credentials *)
- malloc(sizeof(gnutls_certificate_server_credentials));
- if (credentials == NULL)
+#ifdef HAVE_SSL
+ if (con->auto_ssl)
{
- cupsdLogMessage(CUPSD_LOG_ERROR,
- "cupsdEncryptClient: Unable to encrypt connection from %s!",
- con->http.hostname);
- cupsdLogMessage(CUPSD_LOG_ERROR, "cupsdEncryptClient: %s", strerror(errno));
-
- free(conn);
- return (0);
- }
+ /*
+ * Automatically check for a SSL/TLS handshake...
+ */
- gnutls_certificate_allocate_credentials(credentials);
- gnutls_certificate_set_x509_key_file(*credentials, ServerCertificate,
- ServerKey, GNUTLS_X509_FMT_PEM);
+ con->auto_ssl = 0;
- gnutls_init(&(conn->session), GNUTLS_SERVER);
- gnutls_set_default_priority(conn->session);
- gnutls_credentials_set(conn->session, GNUTLS_CRD_CERTIFICATE, *credentials);
- gnutls_transport_set_ptr(conn->session, con->http.fd);
+ if (recv(con->http.fd, buf, 1, MSG_PEEK) == 1 &&
+ (!buf[0] || !strchr("DGHOPT", buf[0])))
+ {
+ /*
+ * Encrypt this connection...
+ */
- error = gnutls_handshake(conn->session);
+ cupsdLogMessage(CUPSD_LOG_DEBUG2,
+ "cupsdReadClient: Saw first byte %02X, auto-negotiating "
+ "SSL/TLS session...", buf[0] & 255);
- if (error != GNUTLS_E_SUCCESS)
- {
- cupsdLogMessage(CUPSD_LOG_ERROR,
- "cupsdEncryptClient: Unable to encrypt connection from %s!",
- con->http.hostname);
- cupsdLogMessage(CUPSD_LOG_ERROR, "cupsdEncryptClient: %s",
- gnutls_strerror(error));
+ if (!encrypt_client(con))
+ cupsdCloseClient(con);
- gnutls_deinit(conn->session);
- gnutls_certificate_free_credentials(*credentials);
- free(conn);
- free(credentials);
- return (0);
+ return;
+ }
}
+#endif /* HAVE_SSL */
- cupsdLogMessage(CUPSD_LOG_DEBUG,
- "cupsdEncryptClient: %d Connection from %s now encrypted.",
- con->http.fd, con->http.hostname);
-
- conn->credentials = credentials;
- con->http.tls = conn;
- return (1);
-
-#elif defined(HAVE_CDSASSL)
- OSStatus error; /* Error info */
- SSLContextRef conn; /* New connection */
- int allowExpired; /* Allow expired certificates? */
- int allowAnyRoot; /* Allow any root certificate? */
-
-
- conn = NULL;
- error = SSLNewContext(true, &conn);
- allowExpired = 1;
- allowAnyRoot = 1;
-
- if (!ServerCertificatesArray)
- ServerCertificatesArray = get_cdsa_server_certs();
-
- if (!ServerCertificatesArray)
+ switch (con->http.state)
{
- cupsdLogMessage(CUPSD_LOG_ERROR,
- "EncryptClient: Could not find signing key in keychain "
- "\"%s\"", ServerCertificate);
- error = errSSLBadConfiguration;
- }
-
- if (!error)
- error = SSLSetIOFuncs(conn, _httpReadCDSA, _httpWriteCDSA);
-
- if (!error)
- error = SSLSetProtocolVersion(conn, kSSLProtocol3);
+ case HTTP_WAITING :
+ /*
+ * See if we've received a request line...
+ */
- if (!error)
- error = SSLSetConnection(conn, (SSLConnectionRef)con->http.fd);
+ if (httpGets(line, sizeof(line) - 1, HTTP(con)) == NULL)
+ {
+ if (con->http.error && con->http.error != EPIPE)
+ cupsdLogMessage(CUPSD_LOG_DEBUG,
+ "cupsdReadClient: %d WAITING Closing for error %d "
+ "(%s)", con->http.fd, con->http.error,
+ strerror(con->http.error));
+ else
+ cupsdLogMessage(CUPSD_LOG_DEBUG,
+ "cupsdReadClient: %d WAITING Closing on EOF",
+ con->http.fd);
- if (!error)
- error = SSLSetPeerDomainName(conn, ServerName, strlen(ServerName) + 1);
+ cupsdCloseClient(con);
+ return;
+ }
- /* have to do these options before setting server certs */
- if (!error && allowExpired)
- error = SSLSetAllowsExpiredCerts(conn, true);
+ /*
+ * Ignore blank request lines...
+ */
- if (!error && allowAnyRoot)
- error = SSLSetAllowsAnyRoot(conn, true);
+ if (line[0] == '\0')
+ break;
- if (!error && ServerCertificatesArray)
- error = SSLSetCertificate(conn, ServerCertificatesArray);
+ /*
+ * Clear other state variables...
+ */
- /*
- * Perform SSL/TLS handshake
- */
+ httpClearFields(HTTP(con));
- do
- {
- error = SSLHandshake(conn);
- }
- while (error == errSSLWouldBlock);
+ con->http.activity = time(NULL);
+ con->http.version = HTTP_1_0;
+ con->http.keep_alive = HTTP_KEEPALIVE_OFF;
+ con->http.data_encoding = HTTP_ENCODE_LENGTH;
+ con->http.data_remaining = 0;
+ con->http._data_remaining = 0;
+ con->operation = HTTP_WAITING;
+ con->bytes = 0;
+ con->file = -1;
+ con->file_ready = 0;
+ con->pipe_pid = 0;
+ con->username[0] = '\0';
+ con->password[0] = '\0';
+ con->uri[0] = '\0';
- if (error)
- {
- cupsdLogMessage(CUPSD_LOG_ERROR,
- "cupsdEncryptClient: Unable to encrypt connection from %s!",
- con->http.hostname);
+ cupsdClearString(&con->command);
+ cupsdClearString(&con->options);
+ cupsdClearString(&con->query_string);
- cupsdLogMessage(CUPSD_LOG_ERROR,
- "cupsdEncryptClient: CDSA error code is %d", (int)error);
+ if (con->request)
+ {
+ ippDelete(con->request);
+ con->request = NULL;
+ }
- con->http.error = error;
- con->http.status = HTTP_ERROR;
+ if (con->response)
+ {
+ ippDelete(con->response);
+ con->response = NULL;
+ }
- if (conn != NULL)
- SSLDisposeContext(conn);
+ if (con->language)
+ {
+ cupsLangFree(con->language);
+ con->language = NULL;
+ }
- return (0);
- }
+#ifdef HAVE_GSSAPI
+ con->have_gss = 0;
- cupsdLogMessage(CUPSD_LOG_DEBUG,
- "cupsdEncryptClient: %d Connection from %s now encrypted.",
- con->http.fd, con->http.hostname);
+ if (con->gss_creds)
+ {
+ OM_uint32 minor_status;
+ gss_release_cred(&minor_status, &con->gss_creds);
+ }
+#endif /* HAVE_GSSAPI */
- con->http.tls = conn;
- return (1);
-
-#else
- return (0);
-#endif /* HAVE_LIBSSL */
-}
-
-
-/*
- * 'cupsdIsCGI()' - Is the resource a CGI script/program?
- */
-
-int /* O - 1 = CGI, 0 = file */
-cupsdIsCGI(cupsd_client_t *con, /* I - Client connection */
- const char *filename, /* I - Real filename */
- struct stat *filestats, /* I - File information */
- mime_type_t *type) /* I - MIME type */
-{
- const char *options; /* Options on URL */
-
-
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdIsCGI(con=%p, filename=\"%s\", filestats=%p, type=%s/%s)\n",
- con, filename, filestats, type ? type->super : "unknown",
- type ? type->type : "unknown");
-
- /*
- * Get the options, if any...
- */
-
- if ((options = strchr(con->uri, '?')) != NULL)
- options ++;
-
- /*
- * Check for known types...
- */
-
- if (!type || strcasecmp(type->super, "application"))
- {
- cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdIsCGI: Returning 0...");
- return (0);
- }
-
- if (!strcasecmp(type->type, "x-httpd-cgi") &&
- (filestats->st_mode & 0111))
- {
- /*
- * "application/x-httpd-cgi" is a CGI script.
- */
-
- cupsdSetString(&con->command, filename);
-
- filename = strrchr(filename, '/') + 1; /* Filename always absolute */
-
- if (options)
- cupsdSetStringf(&con->options, "%s %s", filename, options);
- else
- cupsdSetStringf(&con->options, "%s", filename);
-
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdIsCGI: Returning 1 with command=\"%s\" and options=\"%s\"",
- con->command, con->options);
-
- return (1);
- }
-#ifdef HAVE_JAVA
- else if (!strcasecmp(type->type, "x-httpd-java"))
- {
- /*
- * "application/x-httpd-java" is a Java servlet.
- */
-
- cupsdSetString(&con->command, CUPS_JAVA);
-
- if (options)
- cupsdSetStringf(&con->options, "java %s %s", filename, options);
- else
- cupsdSetStringf(&con->options, "java %s", filename);
-
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdIsCGI: Returning 1 with command=\"%s\" and options=\"%s\"",
- con->command, con->options);
-
- return (1);
- }
-#endif /* HAVE_JAVA */
-#ifdef HAVE_PERL
- else if (!strcasecmp(type->type, "x-httpd-perl"))
- {
- /*
- * "application/x-httpd-perl" is a Perl page.
- */
-
- cupsdSetString(&con->command, CUPS_PERL);
-
- if (options)
- cupsdSetStringf(&con->options, "perl %s %s", filename, options);
- else
- cupsdSetStringf(&con->options, "perl %s", filename);
-
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdIsCGI: Returning 1 with command=\"%s\" and options=\"%s\"",
- con->command, con->options);
-
- return (1);
- }
-#endif /* HAVE_PERL */
-#ifdef HAVE_PHP
- else if (!strcasecmp(type->type, "x-httpd-php"))
- {
- /*
- * "application/x-httpd-php" is a PHP page.
- */
-
- cupsdSetString(&con->command, CUPS_PHP);
-
- if (options)
- cupsdSetStringf(&con->options, "php %s %s", filename, options);
- else
- cupsdSetStringf(&con->options, "php %s", filename);
-
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdIsCGI: Returning 1 with command=\"%s\" and options=\"%s\"",
- con->command, con->options);
-
- return (1);
- }
-#endif /* HAVE_PHP */
-#ifdef HAVE_PYTHON
- else if (!strcasecmp(type->type, "x-httpd-python"))
- {
- /*
- * "application/x-httpd-python" is a Python page.
- */
-
- cupsdSetString(&con->command, CUPS_PYTHON);
-
- if (options)
- cupsdSetStringf(&con->options, "python %s %s", filename, options);
- else
- cupsdSetStringf(&con->options, "python %s", filename);
-
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdIsCGI: Returning 1 with command=\"%s\" and options=\"%s\"",
- con->command, con->options);
-
- return (1);
- }
-#endif /* HAVE_PYTHON */
-
- cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdIsCGI: Returning 0...");
-
- return (0);
-}
-
-
-/*
- * 'cupsdReadClient()' - Read data from a client.
- */
-
-int /* O - 1 on success, 0 on error */
-cupsdReadClient(cupsd_client_t *con) /* I - Client to read from */
-{
- char line[32768], /* Line from client... */
- operation[64], /* Operation code from socket */
- version[64], /* HTTP version number string */
- locale[64], /* Locale */
- *ptr; /* Pointer into strings */
- int major, minor; /* HTTP version numbers */
- http_status_t status; /* Transfer status */
- ipp_state_t ipp_state; /* State of IPP transfer */
- int bytes; /* Number of bytes to POST */
- char *filename; /* Name of file for GET/HEAD */
- char buf[1024]; /* Buffer for real filename */
- struct stat filestats; /* File information */
- mime_type_t *type; /* MIME type of file */
- cupsd_printer_t *p; /* Printer */
- static unsigned request_id = 0; /* Request ID for temp files */
-
-
- status = HTTP_CONTINUE;
-
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdReadClient: %d, used=%d, file=%d state=%d",
- con->http.fd, con->http.used, con->file, con->http.state);
-
- if (con->http.error)
- {
- cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdReadClient: http error seen...");
- return (cupsdCloseClient(con));
- }
-
-#ifdef HAVE_SSL
- if (con->auto_ssl)
- {
- /*
- * Automatically check for a SSL/TLS handshake...
- */
-
- con->auto_ssl = 0;
-
- if (recv(con->http.fd, buf, 1, MSG_PEEK) == 1 &&
- (!buf[0] || !strchr("DGHOPT", buf[0])))
- {
- /*
- * Encrypt this connection...
- */
-
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdReadClient: Saw first byte %02X, auto-negotiating SSL/TLS session...",
- buf[0] & 255);
-
- cupsdEncryptClient(con);
- return (1);
- }
- }
-#endif /* HAVE_SSL */
-
- switch (con->http.state)
- {
- case HTTP_WAITING :
- /*
- * See if we've received a request line...
- */
-
- if (httpGets(line, sizeof(line) - 1, HTTP(con)) == NULL)
- {
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdReadClient: httpGets returned EOF...");
- return (cupsdCloseClient(con));
- }
-
- /*
- * Ignore blank request lines...
- */
-
- if (line[0] == '\0')
- break;
-
- /*
- * Clear other state variables...
- */
-
- httpClearFields(HTTP(con));
-
- con->http.activity = time(NULL);
- con->http.version = HTTP_1_0;
- con->http.keep_alive = HTTP_KEEPALIVE_OFF;
- con->http.data_encoding = HTTP_ENCODE_LENGTH;
- con->http.data_remaining = 0;
- con->http._data_remaining = 0;
- con->operation = HTTP_WAITING;
- con->bytes = 0;
- con->file = -1;
- con->file_ready = 0;
- con->pipe_pid = 0;
- con->username[0] = '\0';
- con->password[0] = '\0';
- con->uri[0] = '\0';
-
- cupsdClearString(&con->command);
- cupsdClearString(&con->options);
-
- if (con->language != NULL)
- {
- cupsLangFree(con->language);
- con->language = NULL;
- }
-
- /*
- * Grab the request line...
- */
+ /*
+ * Grab the request line...
+ */
switch (sscanf(line, "%63s%1023s%63s", operation, con->uri, version))
{
case 1 :
- cupsdLogMessage(CUPSD_LOG_ERROR,
- "Bad request line \"%s\" from %s!", line,
- con->http.hostname);
- cupsdSendError(con, HTTP_BAD_REQUEST);
- return (cupsdCloseClient(con));
+ if (line[0])
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "Bad request line \"%s\" from %s!", line,
+ con->http.hostname);
+ cupsdSendError(con, HTTP_BAD_REQUEST, CUPSD_AUTH_NONE);
+ cupsdCloseClient(con);
+ }
+ return;
case 2 :
con->http.version = HTTP_0_9;
break;
cupsdLogMessage(CUPSD_LOG_ERROR,
"Bad request line \"%s\" from %s!", line,
con->http.hostname);
- cupsdSendError(con, HTTP_BAD_REQUEST);
- return (cupsdCloseClient(con));
+ cupsdSendError(con, HTTP_BAD_REQUEST, CUPSD_AUTH_NONE);
+ cupsdCloseClient(con);
+ return;
}
if (major < 2)
}
else
{
- cupsdSendError(con, HTTP_NOT_SUPPORTED);
- return (cupsdCloseClient(con));
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "Unsupported request line \"%s\" from %s!",
+ line, con->http.hostname);
+ cupsdSendError(con, HTTP_NOT_SUPPORTED, CUPSD_AUTH_NONE);
+ cupsdCloseClient(con);
+ return;
}
break;
}
if (strcmp(con->uri, "*"))
{
- char method[HTTP_MAX_URI], /* Method/scheme */
+ char scheme[HTTP_MAX_URI], /* Method/scheme */
userpass[HTTP_MAX_URI], /* Username:password */
hostname[HTTP_MAX_URI], /* Hostname */
resource[HTTP_MAX_URI]; /* Resource path */
* Separate the URI into its components...
*/
- httpSeparateURI(con->uri, method, sizeof(method),
+ httpSeparateURI(HTTP_URI_CODING_MOST, con->uri,
+ scheme, sizeof(scheme),
userpass, sizeof(userpass),
hostname, sizeof(hostname), &port,
resource, sizeof(resource));
* address...
*/
- if (strcmp(method, "file") &&
+ if (strcmp(scheme, "file") &&
strcasecmp(hostname, ServerName) &&
strcasecmp(hostname, "localhost") &&
- !isdigit(hostname[0]))
+ !isdigit(hostname[0]) && hostname[0] != '[')
{
/*
* Nope, we don't do proxies...
cupsdLogMessage(CUPSD_LOG_ERROR, "Bad URI \"%s\" in request!",
con->uri);
- cupsdSendError(con, HTTP_METHOD_NOT_ALLOWED);
- return (cupsdCloseClient(con));
+ cupsdSendError(con, HTTP_METHOD_NOT_ALLOWED, CUPSD_AUTH_NONE);
+ cupsdCloseClient(con);
+ return;
}
/*
else
{
cupsdLogMessage(CUPSD_LOG_ERROR, "Bad operation \"%s\"!", operation);
- cupsdSendError(con, HTTP_BAD_REQUEST);
- return (cupsdCloseClient(con));
+ cupsdSendError(con, HTTP_BAD_REQUEST, CUPSD_AUTH_NONE);
+ cupsdCloseClient(con);
+ return;
}
- con->start = time(NULL);
+ gettimeofday(&(con->start), NULL);
con->operation = con->http.state;
- cupsdLogMessage(CUPSD_LOG_DEBUG, "cupsdReadClient: %d %s %s HTTP/%d.%d", con->http.fd,
- operation, con->uri,
+ cupsdLogMessage(CUPSD_LOG_DEBUG, "cupsdReadClient: %d %s %s HTTP/%d.%d",
+ con->http.fd, operation, con->uri,
con->http.version / 100, con->http.version % 100);
con->http.status = HTTP_OK;
+ if (!cupsArrayFind(ActiveClients, con))
+ {
+ cupsArrayAdd(ActiveClients, con);
+ cupsdSetBusyState();
+ }
+
case HTTP_OPTIONS :
case HTTP_DELETE :
case HTTP_GET :
* Parse incoming parameters until the status changes...
*/
- status = httpUpdate(HTTP(con));
+ while ((status = httpUpdate(HTTP(con))) == HTTP_CONTINUE)
+ if (!data_ready(con))
+ break;
if (status != HTTP_OK && status != HTTP_CONTINUE)
{
- cupsdSendError(con, HTTP_BAD_REQUEST);
- return (cupsdCloseClient(con));
+ if (con->http.error && con->http.error != EPIPE)
+ cupsdLogMessage(CUPSD_LOG_DEBUG,
+ "cupsdReadClient: %d FIELDS Closing for error %d "
+ "(%s)", con->http.fd, con->http.error,
+ strerror(con->http.error));
+ else
+ cupsdLogMessage(CUPSD_LOG_DEBUG,
+ "cupsdReadClient: %d FIELDS Closing on EOF",
+ con->http.fd);
+
+ cupsdSendError(con, HTTP_BAD_REQUEST, CUPSD_AUTH_NONE);
+ cupsdCloseClient(con);
+ return;
}
break;
default :
+ if (!data_ready(con) && recv(con->http.fd, buf, 1, MSG_PEEK) < 1)
+ {
+ /*
+ * Connection closed...
+ */
+
+ cupsdLogMessage(CUPSD_LOG_DEBUG,
+ "cupsdReadClient: %d Closing on EOF", con->http.fd);
+ cupsdCloseClient(con);
+ return;
+ }
break; /* Anti-compiler-warning-code */
}
* fields...
*/
- if ((ptr = strchr(con->http.fields[HTTP_FIELD_ACCEPT_LANGUAGE], ',')) != NULL)
+ if ((ptr = strchr(con->http.fields[HTTP_FIELD_ACCEPT_LANGUAGE],
+ ',')) != NULL)
*ptr = '\0';
- if ((ptr = strchr(con->http.fields[HTTP_FIELD_ACCEPT_LANGUAGE], ';')) != NULL)
+ if ((ptr = strchr(con->http.fields[HTTP_FIELD_ACCEPT_LANGUAGE],
+ ';')) != NULL)
*ptr = '\0';
- if ((ptr = strstr(con->http.fields[HTTP_FIELD_CONTENT_TYPE], "charset=")) != NULL)
+ if ((ptr = strstr(con->http.fields[HTTP_FIELD_CONTENT_TYPE],
+ "charset=")) != NULL)
{
/*
* Combine language and charset, and trim any extra params in the
*ptr = '\0';
}
else
- snprintf(locale, sizeof(locale), "%s.%s",
- con->http.fields[HTTP_FIELD_ACCEPT_LANGUAGE], DefaultCharset);
-
+ snprintf(locale, sizeof(locale), "%s.UTF-8",
+ con->http.fields[HTTP_FIELD_ACCEPT_LANGUAGE]);
+
con->language = cupsLangGet(locale);
}
else
cupsdAuthorize(con);
- if (!strncmp(con->http.fields[HTTP_FIELD_CONNECTION], "Keep-Alive", 10) &&
- KeepAlive)
+ if (!strncasecmp(con->http.fields[HTTP_FIELD_CONNECTION], "Keep-Alive",
+ 10) && KeepAlive)
con->http.keep_alive = HTTP_KEEPALIVE_ON;
+ else if (!strncasecmp(con->http.fields[HTTP_FIELD_CONNECTION], "close", 5))
+ con->http.keep_alive = HTTP_KEEPALIVE_OFF;
if (!con->http.fields[HTTP_FIELD_HOST][0] &&
con->http.version >= HTTP_1_1)
* HTTP/1.1 and higher require the "Host:" field...
*/
- if (!cupsdSendError(con, HTTP_BAD_REQUEST))
- return (cupsdCloseClient(con));
+ if (!cupsdSendError(con, HTTP_BAD_REQUEST, CUPSD_AUTH_NONE))
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR, "Missing Host: field in request!");
+ cupsdCloseClient(con);
+ return;
+ }
+ }
+ else if (!valid_host(con))
+ {
+ /*
+ * Access to localhost must use "localhost" or the corresponding IPv4
+ * or IPv6 values in the Host: field.
+ */
+
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "Request from \"%s\" using invalid Host: field \"%s\"",
+ con->http.hostname, con->http.fields[HTTP_FIELD_HOST]);
+
+ if (!cupsdSendError(con, HTTP_BAD_REQUEST, CUPSD_AUTH_NONE))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
}
else if (con->operation == HTTP_OPTIONS)
{
* Do OPTIONS command...
*/
- if (con->best && con->best->type != AUTH_NONE)
+ if (con->best && con->best->type != CUPSD_AUTH_NONE)
{
- if (!cupsdSendHeader(con, HTTP_UNAUTHORIZED, NULL))
- return (cupsdCloseClient(con));
+ if (!cupsdSendHeader(con, HTTP_UNAUTHORIZED, NULL, CUPSD_AUTH_NONE))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
}
if (!strcasecmp(con->http.fields[HTTP_FIELD_CONNECTION], "Upgrade") &&
* Do encryption stuff...
*/
- if (!cupsdSendHeader(con, HTTP_SWITCHING_PROTOCOLS, NULL))
- return (cupsdCloseClient(con));
+ if (!cupsdSendHeader(con, HTTP_SWITCHING_PROTOCOLS, NULL, CUPSD_AUTH_NONE))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
httpPrintf(HTTP(con), "Connection: Upgrade\r\n");
httpPrintf(HTTP(con), "Upgrade: TLS/1.0,HTTP/1.1\r\n");
httpPrintf(HTTP(con), "Content-Length: 0\r\n");
httpPrintf(HTTP(con), "\r\n");
- cupsdEncryptClient(con);
+ if (cupsdFlushHeader(con) < 0)
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+
+ if (!encrypt_client(con))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
#else
- if (!cupsdSendError(con, HTTP_NOT_IMPLEMENTED))
- return (cupsdCloseClient(con));
+ if (!cupsdSendError(con, HTTP_NOT_IMPLEMENTED, CUPSD_AUTH_NONE))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
#endif /* HAVE_SSL */
}
- if (con->http.expect)
+ if (!cupsdSendHeader(con, HTTP_OK, NULL, CUPSD_AUTH_NONE))
{
- /**** TODO: send expected header ****/
+ cupsdCloseClient(con);
+ return;
}
- if (!cupsdSendHeader(con, HTTP_OK, NULL))
- return (cupsdCloseClient(con));
-
httpPrintf(HTTP(con), "Allow: GET, HEAD, OPTIONS, POST, PUT\r\n");
httpPrintf(HTTP(con), "Content-Length: 0\r\n");
httpPrintf(HTTP(con), "\r\n");
+
+ if (cupsdFlushHeader(con) < 0)
+ {
+ cupsdCloseClient(con);
+ return;
+ }
}
else if (!is_path_absolute(con->uri))
{
* Protect against malicious users!
*/
- if (!cupsdSendError(con, HTTP_FORBIDDEN))
- return (cupsdCloseClient(con));
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "Request for non-absolute resource \"%s\"!", con->uri);
+
+ if (!cupsdSendError(con, HTTP_FORBIDDEN, CUPSD_AUTH_NONE))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
}
else
{
* Do encryption stuff...
*/
- if (!cupsdSendHeader(con, HTTP_SWITCHING_PROTOCOLS, NULL))
- return (cupsdCloseClient(con));
+ if (!cupsdSendHeader(con, HTTP_SWITCHING_PROTOCOLS, NULL, CUPSD_AUTH_NONE))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
httpPrintf(HTTP(con), "Connection: Upgrade\r\n");
httpPrintf(HTTP(con), "Upgrade: TLS/1.0,HTTP/1.1\r\n");
httpPrintf(HTTP(con), "Content-Length: 0\r\n");
httpPrintf(HTTP(con), "\r\n");
- cupsdEncryptClient(con);
+ if (cupsdFlushHeader(con) < 0)
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+
+ if (!encrypt_client(con))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
#else
- if (!cupsdSendError(con, HTTP_NOT_IMPLEMENTED))
- return (cupsdCloseClient(con));
+ if (!cupsdSendError(con, HTTP_NOT_IMPLEMENTED, CUPSD_AUTH_NONE))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
#endif /* HAVE_SSL */
}
if ((status = cupsdIsAuthorized(con, NULL)) != HTTP_OK)
{
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdReadClient: Unauthorized request for %s...\n",
- con->uri);
- cupsdSendError(con, status);
- return (cupsdCloseClient(con));
+ cupsdSendError(con, status, CUPSD_AUTH_NONE);
+ cupsdCloseClient(con);
+ return;
}
- if (con->http.expect)
+ if (con->http.expect &&
+ (con->operation == HTTP_POST || con->operation == HTTP_PUT))
{
- /**** TODO: send expected header ****/
+ if (con->http.expect == HTTP_CONTINUE)
+ {
+ /*
+ * Send 100-continue header...
+ */
+
+ if (!cupsdSendHeader(con, HTTP_CONTINUE, NULL, CUPSD_AUTH_NONE))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+ }
+ else
+ {
+ /*
+ * Send 417-expectation-failed header...
+ */
+
+ if (!cupsdSendHeader(con, HTTP_EXPECTATION_FAILED, NULL,
+ CUPSD_AUTH_NONE))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+
+ httpPrintf(HTTP(con), "Content-Length: 0\r\n");
+ httpPrintf(HTTP(con), "\r\n");
+
+ if (cupsdFlushHeader(con) < 0)
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+ }
}
switch (con->http.state)
snprintf(con->uri, sizeof(con->uri), "/ppd/%s.ppd", p->name);
else
{
- if (!cupsdSendError(con, HTTP_NOT_FOUND))
- return (cupsdCloseClient(con));
+ if (!cupsdSendError(con, HTTP_NOT_FOUND, CUPSD_AUTH_NONE))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
break;
}
}
+ else if ((!strncmp(con->uri, "/printers/", 10) ||
+ !strncmp(con->uri, "/classes/", 9)) &&
+ !strcmp(con->uri + strlen(con->uri) - 4, ".png"))
+ {
+ /*
+ * Send icon file - get the real queue name since queue names are
+ * not case sensitive but filenames can be...
+ */
- if ((!strncmp(con->uri, "/admin", 6) &&
- strncmp(con->uri, "/admin/conf/", 12) &&
- strncmp(con->uri, "/admin/log/", 11)) ||
- !strncmp(con->uri, "/printers", 9) ||
- !strncmp(con->uri, "/classes", 8) ||
- !strncmp(con->uri, "/help", 5) ||
- !strncmp(con->uri, "/jobs", 5))
+ con->uri[strlen(con->uri) - 4] = '\0'; /* Drop ".png" */
+
+ if (!strncmp(con->uri, "/printers/", 10))
+ p = cupsdFindPrinter(con->uri + 10);
+ else
+ p = cupsdFindClass(con->uri + 9);
+
+ if (p)
+ snprintf(con->uri, sizeof(con->uri), "/icons/%s.png", p->name);
+ else
+ {
+ if (!cupsdSendError(con, HTTP_NOT_FOUND, CUPSD_AUTH_NONE))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+
+ break;
+ }
+ }
+
+ if (!WebInterface)
+ {
+ /*
+ * Web interface is disabled. Show an appropriate message...
+ */
+
+ if (!cupsdSendError(con, HTTP_WEBIF_DISABLED, CUPSD_AUTH_NONE))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+
+ break;
+ }
+ else if ((!strncmp(con->uri, "/admin", 6) &&
+ strncmp(con->uri, "/admin/conf/", 12) &&
+ strncmp(con->uri, "/admin/log/", 11)) ||
+ !strncmp(con->uri, "/printers", 9) ||
+ !strncmp(con->uri, "/classes", 8) ||
+ !strncmp(con->uri, "/help", 5) ||
+ !strncmp(con->uri, "/jobs", 5))
{
/*
* Send CGI output...
cupsdSetStringf(&con->command, "%s/cgi-bin/admin.cgi",
ServerBin);
- if ((ptr = strchr(con->uri + 6, '?')) != NULL)
- cupsdSetStringf(&con->options, "admin%s", ptr);
- else
- cupsdSetString(&con->options, "admin");
+ cupsdSetString(&con->options, strchr(con->uri + 6, '?'));
}
else if (!strncmp(con->uri, "/printers", 9))
{
cupsdSetStringf(&con->command, "%s/cgi-bin/printers.cgi",
ServerBin);
- cupsdSetString(&con->options, con->uri + 9);
+
+ if (con->uri[9] && con->uri[10])
+ cupsdSetString(&con->options, con->uri + 9);
+ else
+ cupsdSetString(&con->options, NULL);
}
else if (!strncmp(con->uri, "/classes", 8))
{
cupsdSetStringf(&con->command, "%s/cgi-bin/classes.cgi",
ServerBin);
- cupsdSetString(&con->options, con->uri + 8);
+
+ if (con->uri[8] && con->uri[9])
+ cupsdSetString(&con->options, con->uri + 8);
+ else
+ cupsdSetString(&con->options, NULL);
}
else if (!strncmp(con->uri, "/jobs", 5))
{
cupsdSetStringf(&con->command, "%s/cgi-bin/jobs.cgi",
ServerBin);
- cupsdSetString(&con->options, con->uri + 5);
+
+ if (con->uri[5] && con->uri[6])
+ cupsdSetString(&con->options, con->uri + 5);
+ else
+ cupsdSetString(&con->options, NULL);
}
else
{
cupsdSetStringf(&con->command, "%s/cgi-bin/help.cgi",
ServerBin);
- cupsdSetString(&con->options, con->uri + 5);
- }
- if (con->options[0] == '/')
- _cups_strcpy(con->options, con->options + 1);
+ if (con->uri[5] && con->uri[6])
+ cupsdSetString(&con->options, con->uri + 5);
+ else
+ cupsdSetString(&con->options, NULL);
+ }
if (!cupsdSendCommand(con, con->command, con->options, 0))
{
- if (!cupsdSendError(con, HTTP_NOT_FOUND))
- return (cupsdCloseClient(con));
+ if (!cupsdSendError(con, HTTP_NOT_FOUND, CUPSD_AUTH_NONE))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
}
else
cupsdLogRequest(con, HTTP_OK);
strlen(con->uri) == 11)))
{
/*
- * GET can only be done to configuration files under
+ * GET can only be done to configuration files directly under
* /admin/conf...
*/
- if (!cupsdSendError(con, HTTP_FORBIDDEN))
- return (cupsdCloseClient(con));
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "Request for subdirectory \"%s\"!", con->uri);
+
+ if (!cupsdSendError(con, HTTP_FORBIDDEN, CUPSD_AUTH_NONE))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
break;
}
if ((filename = get_file(con, &filestats, buf,
sizeof(buf))) == NULL)
{
- if (!cupsdSendError(con, HTTP_NOT_FOUND))
- return (cupsdCloseClient(con));
+ if (!cupsdSendError(con, HTTP_NOT_FOUND, CUPSD_AUTH_NONE))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
break;
}
- type = mimeFileType(MimeDatabase, filename, NULL);
+ type = mimeFileType(MimeDatabase, filename, NULL, NULL);
- if (cupsdIsCGI(con, filename, &filestats, type))
+ if (is_cgi(con, filename, &filestats, type))
{
/*
* Note: con->command and con->options were set by
- * cupsdIsCGI()...
+ * is_cgi()...
*/
if (!cupsdSendCommand(con, con->command, con->options, 0))
{
- if (!cupsdSendError(con, HTTP_NOT_FOUND))
- return (cupsdCloseClient(con));
+ if (!cupsdSendError(con, HTTP_NOT_FOUND, CUPSD_AUTH_NONE))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
}
else
cupsdLogRequest(con, HTTP_OK);
if (!check_if_modified(con, &filestats))
{
- if (!cupsdSendError(con, HTTP_NOT_MODIFIED))
- return (cupsdCloseClient(con));
+ if (!cupsdSendError(con, HTTP_NOT_MODIFIED, CUPSD_AUTH_NONE))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
}
else
{
else
snprintf(line, sizeof(line), "%s/%s", type->super, type->type);
- if (!cupsdSendFile(con, HTTP_OK, filename, line, &filestats))
- return (cupsdCloseClient(con));
+ if (!write_file(con, HTTP_OK, filename, line, &filestats))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
}
}
break;
* so check the length against any limits that are set...
*/
- cupsdLogMessage(CUPSD_LOG_DEBUG2, "POST %s", con->uri);
- cupsdLogMessage(CUPSD_LOG_DEBUG2, "CONTENT_TYPE = %s",
- con->http.fields[HTTP_FIELD_CONTENT_TYPE]);
-
if (con->http.fields[HTTP_FIELD_CONTENT_LENGTH][0] &&
MaxRequestSize > 0 &&
con->http.data_remaining > MaxRequestSize)
* Request too large...
*/
- if (!cupsdSendError(con, HTTP_REQUEST_TOO_LARGE))
- return (cupsdCloseClient(con));
+ if (!cupsdSendError(con, HTTP_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
break;
}
- else if (con->http.data_remaining < 0)
+ else if (con->http.data_remaining < 0 ||
+ (!con->http.fields[HTTP_FIELD_CONTENT_LENGTH][0] &&
+ con->http.data_encoding == HTTP_ENCODE_LENGTH))
{
/*
* Negative content lengths are invalid!
*/
- if (!cupsdSendError(con, HTTP_BAD_REQUEST))
- return (cupsdCloseClient(con));
+ if (!cupsdSendError(con, HTTP_BAD_REQUEST, CUPSD_AUTH_NONE))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
break;
}
if (!strcmp(con->http.fields[HTTP_FIELD_CONTENT_TYPE],
"application/ipp"))
con->request = ippNew();
+ else if (!WebInterface)
+ {
+ /*
+ * Web interface is disabled. Show an appropriate message...
+ */
+
+ if (!cupsdSendError(con, HTTP_WEBIF_DISABLED, CUPSD_AUTH_NONE))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+
+ break;
+ }
else if ((!strncmp(con->uri, "/admin", 6) &&
strncmp(con->uri, "/admin/conf/", 12) &&
strncmp(con->uri, "/admin/log/", 11)) ||
cupsdSetStringf(&con->command, "%s/cgi-bin/admin.cgi",
ServerBin);
- if ((ptr = strchr(con->uri + 6, '?')) != NULL)
- cupsdSetStringf(&con->options, "admin%s", ptr);
- else
- cupsdSetString(&con->options, "admin");
+ cupsdSetString(&con->options, strchr(con->uri + 6, '?'));
}
else if (!strncmp(con->uri, "/printers", 9))
{
cupsdSetStringf(&con->command, "%s/cgi-bin/printers.cgi",
ServerBin);
- cupsdSetString(&con->options, con->uri + 9);
+
+ if (con->uri[9] && con->uri[10])
+ cupsdSetString(&con->options, con->uri + 9);
+ else
+ cupsdSetString(&con->options, NULL);
}
else if (!strncmp(con->uri, "/classes", 8))
{
cupsdSetStringf(&con->command, "%s/cgi-bin/classes.cgi",
ServerBin);
- cupsdSetString(&con->options, con->uri + 8);
+
+ if (con->uri[8] && con->uri[9])
+ cupsdSetString(&con->options, con->uri + 8);
+ else
+ cupsdSetString(&con->options, NULL);
}
else if (!strncmp(con->uri, "/jobs", 5))
{
cupsdSetStringf(&con->command, "%s/cgi-bin/jobs.cgi",
ServerBin);
- cupsdSetString(&con->options, con->uri + 5);
+
+ if (con->uri[5] && con->uri[6])
+ cupsdSetString(&con->options, con->uri + 5);
+ else
+ cupsdSetString(&con->options, NULL);
}
else
{
cupsdSetStringf(&con->command, "%s/cgi-bin/help.cgi",
ServerBin);
- cupsdSetString(&con->options, con->uri + 5);
- }
- if (con->options[0] == '/')
- _cups_strcpy(con->options, con->options + 1);
-
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdReadClient: %d command=\"%s\", options = \"%s\"",
- con->http.fd, con->command, con->options);
+ if (con->uri[5] && con->uri[6])
+ cupsdSetString(&con->options, con->uri + 5);
+ else
+ cupsdSetString(&con->options, NULL);
+ }
if (con->http.version <= HTTP_1_0)
con->http.keep_alive = HTTP_KEEPALIVE_OFF;
if ((filename = get_file(con, &filestats, buf,
sizeof(buf))) == NULL)
{
- if (!cupsdSendError(con, HTTP_NOT_FOUND))
- return (cupsdCloseClient(con));
+ if (!cupsdSendError(con, HTTP_NOT_FOUND, CUPSD_AUTH_NONE))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
break;
}
- type = mimeFileType(MimeDatabase, filename, NULL);
+ type = mimeFileType(MimeDatabase, filename, NULL, NULL);
- if (!cupsdIsCGI(con, filename, &filestats, type))
+ if (!is_cgi(con, filename, &filestats, type))
{
/*
* Only POST to CGI's...
*/
- if (!cupsdSendError(con, HTTP_UNAUTHORIZED))
- return (cupsdCloseClient(con));
+ if (!cupsdSendError(con, HTTP_UNAUTHORIZED, CUPSD_AUTH_NONE))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
}
}
break;
* /admin/conf...
*/
- if (!cupsdSendError(con, HTTP_FORBIDDEN))
- return (cupsdCloseClient(con));
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "Request for subdirectory \"%s\"!", con->uri);
+
+ if (!cupsdSendError(con, HTTP_FORBIDDEN, CUPSD_AUTH_NONE))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
break;
}
* so check the length against any limits that are set...
*/
- cupsdLogMessage(CUPSD_LOG_DEBUG2, "PUT %s", con->uri);
- cupsdLogMessage(CUPSD_LOG_DEBUG2, "CONTENT_TYPE = %s",
- con->http.fields[HTTP_FIELD_CONTENT_TYPE]);
-
if (con->http.fields[HTTP_FIELD_CONTENT_LENGTH][0] &&
MaxRequestSize > 0 &&
con->http.data_remaining > MaxRequestSize)
* Request too large...
*/
- if (!cupsdSendError(con, HTTP_REQUEST_TOO_LARGE))
- return (cupsdCloseClient(con));
+ if (!cupsdSendError(con, HTTP_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
break;
}
* Negative content lengths are invalid!
*/
- if (!cupsdSendError(con, HTTP_BAD_REQUEST))
- return (cupsdCloseClient(con));
+ if (!cupsdSendError(con, HTTP_BAD_REQUEST, CUPSD_AUTH_NONE))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
break;
}
request_id ++);
con->file = open(con->filename, O_WRONLY | O_CREAT | O_TRUNC, 0640);
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdReadClient: %d REQUEST %s=%d", con->http.fd,
- con->filename, con->file);
-
if (con->file < 0)
{
- if (!cupsdSendError(con, HTTP_REQUEST_TOO_LARGE))
- return (cupsdCloseClient(con));
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "Unable to create request file %s: %s",
+ con->filename, strerror(errno));
+
+ if (!cupsdSendError(con, HTTP_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
}
fchmod(con->file, 0640);
case HTTP_DELETE :
case HTTP_TRACE :
- cupsdSendError(con, HTTP_NOT_IMPLEMENTED);
- return (cupsdCloseClient(con));
+ cupsdSendError(con, HTTP_NOT_IMPLEMENTED, CUPSD_AUTH_NONE);
+ cupsdCloseClient(con);
+ return;
case HTTP_HEAD :
if (!strncmp(con->uri, "/printers/", 10) &&
snprintf(con->uri, sizeof(con->uri), "/ppd/%s.ppd", p->name);
else
{
- if (!cupsdSendError(con, HTTP_NOT_FOUND))
- return (cupsdCloseClient(con));
+ if (!cupsdSendError(con, HTTP_NOT_FOUND, CUPSD_AUTH_NONE))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+
+ break;
+ }
+ }
+ else if (!strncmp(con->uri, "/printers/", 10) &&
+ !strcmp(con->uri + strlen(con->uri) - 4, ".png"))
+ {
+ /*
+ * Send PNG file - get the real printer name since printer
+ * names are not case sensitive but filenames can be...
+ */
+
+ con->uri[strlen(con->uri) - 4] = '\0'; /* Drop ".ppd" */
+
+ if ((p = cupsdFindPrinter(con->uri + 10)) != NULL)
+ snprintf(con->uri, sizeof(con->uri), "/icons/%s.png", p->name);
+ else
+ {
+ if (!cupsdSendError(con, HTTP_NOT_FOUND, CUPSD_AUTH_NONE))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
break;
}
}
+ else if (!WebInterface)
+ {
+ if (!cupsdSendHeader(con, HTTP_OK, line, CUPSD_AUTH_NONE))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+
+ if (httpPrintf(HTTP(con), "\r\n") < 0)
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+
+ if (cupsdFlushHeader(con) < 0)
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+
+ con->http.state = HTTP_WAITING;
+ break;
+ }
if ((!strncmp(con->uri, "/admin", 6) &&
strncmp(con->uri, "/admin/conf/", 12) &&
* CGI output...
*/
- if (!cupsdSendHeader(con, HTTP_OK, "text/html"))
- return (cupsdCloseClient(con));
+ if (!cupsdSendHeader(con, HTTP_OK, "text/html", CUPSD_AUTH_NONE))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
if (httpPrintf(HTTP(con), "\r\n") < 0)
- return (cupsdCloseClient(con));
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+
+ if (cupsdFlushHeader(con) < 0)
+ {
+ cupsdCloseClient(con);
+ return;
+ }
cupsdLogRequest(con, HTTP_OK);
}
* /admin/conf...
*/
- if (!cupsdSendError(con, HTTP_FORBIDDEN))
- return (cupsdCloseClient(con));
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "Request for subdirectory \"%s\"!", con->uri);
+
+ if (!cupsdSendError(con, HTTP_FORBIDDEN, CUPSD_AUTH_NONE))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
break;
}
else if ((filename = get_file(con, &filestats, buf,
sizeof(buf))) == NULL)
{
- if (!cupsdSendHeader(con, HTTP_NOT_FOUND, "text/html"))
- return (cupsdCloseClient(con));
+ if (!cupsdSendHeader(con, HTTP_NOT_FOUND, "text/html",
+ CUPSD_AUTH_NONE))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
cupsdLogRequest(con, HTTP_NOT_FOUND);
}
else if (!check_if_modified(con, &filestats))
{
- if (!cupsdSendError(con, HTTP_NOT_MODIFIED))
- return (cupsdCloseClient(con));
+ if (!cupsdSendError(con, HTTP_NOT_MODIFIED, CUPSD_AUTH_NONE))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
cupsdLogRequest(con, HTTP_NOT_MODIFIED);
}
* Serve a file...
*/
- type = mimeFileType(MimeDatabase, filename, NULL);
+ type = mimeFileType(MimeDatabase, filename, NULL, NULL);
if (type == NULL)
strcpy(line, "text/plain");
else
snprintf(line, sizeof(line), "%s/%s", type->super, type->type);
- if (!cupsdSendHeader(con, HTTP_OK, line))
- return (cupsdCloseClient(con));
+ if (!cupsdSendHeader(con, HTTP_OK, line, CUPSD_AUTH_NONE))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
if (httpPrintf(HTTP(con), "Last-Modified: %s\r\n",
httpGetDateString(filestats.st_mtime)) < 0)
- return (cupsdCloseClient(con));
+ {
+ cupsdCloseClient(con);
+ return;
+ }
if (httpPrintf(HTTP(con), "Content-Length: %lu\r\n",
(unsigned long)filestats.st_size) < 0)
- return (cupsdCloseClient(con));
+ {
+ cupsdCloseClient(con);
+ return;
+ }
cupsdLogRequest(con, HTTP_OK);
}
if (httpPrintf(HTTP(con), "\r\n") < 0)
- return (cupsdCloseClient(con));
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+
+ if (cupsdFlushHeader(con) < 0)
+ {
+ cupsdCloseClient(con);
+ return;
+ }
con->http.state = HTTP_WAITING;
break;
switch (con->http.state)
{
case HTTP_PUT_RECV :
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdReadClient: %d con->data_encoding=HTTP_ENCODE_%s, "
- "con->data_remaining=" CUPS_LLFMT ", con->file=%d",
- con->http.fd,
- con->http.data_encoding == HTTP_ENCODE_CHUNKED ?
- "CHUNKED" : "LENGTH",
- CUPS_LLCAST con->http.data_remaining, con->file);
-
- if ((bytes = httpRead(HTTP(con), line, sizeof(line))) < 0)
- return (cupsdCloseClient(con));
- else if (bytes > 0)
+ do
{
- con->bytes += bytes;
-
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdReadClient: %d writing %d bytes to %d",
- con->http.fd, bytes, con->file);
+ if ((bytes = httpRead2(HTTP(con), line, sizeof(line))) < 0)
+ {
+ if (con->http.error && con->http.error != EPIPE)
+ cupsdLogMessage(CUPSD_LOG_DEBUG,
+ "cupsdReadClient: %d PUT_RECV Closing for error "
+ "%d (%s)", con->http.fd, con->http.error,
+ strerror(con->http.error));
+ else
+ cupsdLogMessage(CUPSD_LOG_DEBUG,
+ "cupsdReadClient: %d PUT_RECV Closing on EOF",
+ con->http.fd);
- if (write(con->file, line, bytes) < bytes)
+ cupsdCloseClient(con);
+ return;
+ }
+ else if (bytes > 0)
{
- cupsdLogMessage(CUPSD_LOG_ERROR,
- "cupsdReadClient: Unable to write %d bytes to %s: %s",
- bytes, con->filename, strerror(errno));
+ con->bytes += bytes;
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdReadClient: Closing data file %d...",
- con->file);
+ if (write(con->file, line, bytes) < bytes)
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "cupsdReadClient: Unable to write %d bytes to %s: %s",
+ bytes, con->filename, strerror(errno));
- close(con->file);
- con->file = -1;
- unlink(con->filename);
- cupsdClearString(&con->filename);
+ close(con->file);
+ con->file = -1;
+ unlink(con->filename);
+ cupsdClearString(&con->filename);
- if (!cupsdSendError(con, HTTP_REQUEST_TOO_LARGE))
- return (cupsdCloseClient(con));
+ if (!cupsdSendError(con, HTTP_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+ }
}
- }
+ }
+ while (con->http.state == HTTP_PUT_RECV && data_ready(con));
if (con->http.state == HTTP_WAITING)
{
fstat(con->file, &filestats);
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdReadClient: %d Closing data file %d, size="
- CUPS_LLFMT ".",
- con->http.fd, con->file,
- CUPS_LLCAST filestats.st_size);
-
close(con->file);
con->file = -1;
* Request is too big; remove it and send an error...
*/
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdReadClient: %d Removing temp file %s",
- con->http.fd, con->filename);
unlink(con->filename);
cupsdClearString(&con->filename);
- if (!cupsdSendError(con, HTTP_REQUEST_TOO_LARGE))
- return (cupsdCloseClient(con));
+ if (!cupsdSendError(con, HTTP_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
}
/*
* Return the status to the client...
*/
- if (!cupsdSendError(con, status))
- return (cupsdCloseClient(con));
+ if (!cupsdSendError(con, status, CUPSD_AUTH_NONE))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
}
break;
case HTTP_POST_RECV :
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdReadClient: %d con->data_encoding=HTTP_ENCODE_"
- "%s, con->data_remaining=" CUPS_LLFMT ", con->file=%d",
- con->http.fd,
- con->http.data_encoding == HTTP_ENCODE_CHUNKED ?
- "CHUNKED" : "LENGTH",
- CUPS_LLCAST con->http.data_remaining, con->file);
-
- if (con->request != NULL)
+ do
{
- /*
- * Grab any request data from the connection...
- */
-
- if ((ipp_state = ippRead(&(con->http), con->request)) == IPP_ERROR)
+ if (con->request && con->file < 0)
{
- cupsdLogMessage(CUPSD_LOG_ERROR,
- "cupsdReadClient: %d IPP Read Error!",
- con->http.fd);
+ /*
+ * Grab any request data from the connection...
+ */
- cupsdSendError(con, HTTP_BAD_REQUEST);
- return (cupsdCloseClient(con));
- }
- else if (ipp_state != IPP_DATA)
- {
- if (con->http.state == HTTP_POST_SEND)
+ if ((ipp_state = ippRead(&(con->http), con->request)) == IPP_ERROR)
{
- cupsdSendError(con, HTTP_BAD_REQUEST);
- return (cupsdCloseClient(con));
- }
-
- break;
- }
- else
- con->bytes += ippLength(con->request);
- }
-
- if (con->file < 0 && con->http.state != HTTP_POST_SEND)
- {
- /*
- * Create a file as needed for the request data...
- */
-
- cupsdSetStringf(&con->filename, "%s/%08x", RequestRoot, request_id ++);
- con->file = open(con->filename, O_WRONLY | O_CREAT | O_TRUNC, 0640);
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "cupsdReadClient: %d IPP Read Error!",
+ con->http.fd);
- cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdReadClient: %d REQUEST %s=%d", con->http.fd,
- con->filename, con->file);
+ cupsdSendError(con, HTTP_BAD_REQUEST, CUPSD_AUTH_NONE);
+ cupsdCloseClient(con);
+ return;
+ }
+ else if (ipp_state != IPP_DATA)
+ {
+ if (con->http.state == HTTP_POST_SEND)
+ {
+ cupsdSendError(con, HTTP_BAD_REQUEST, CUPSD_AUTH_NONE);
+ cupsdCloseClient(con);
+ return;
+ }
- if (con->file < 0)
- {
- if (!cupsdSendError(con, HTTP_REQUEST_TOO_LARGE))
- return (cupsdCloseClient(con));
+ break;
+ }
+ else
+ {
+ cupsdLogMessage(CUPSD_LOG_DEBUG, "cupsdReadClient: %d %d.%d %s %d",
+ con->http.fd, con->request->request.op.version[0],
+ con->request->request.op.version[1],
+ ippOpString(con->request->request.op.operation_id),
+ con->request->request.op.request_id);
+ con->bytes += ippLength(con->request);
+ }
}
- fchmod(con->file, 0640);
- fchown(con->file, RunUser, Group);
- fcntl(con->file, F_SETFD, fcntl(con->file, F_GETFD) | FD_CLOEXEC);
- }
-
- if (con->http.state != HTTP_POST_SEND)
- {
- if ((bytes = httpRead(HTTP(con), line, sizeof(line))) < 0)
- return (cupsdCloseClient(con));
- else if (bytes > 0)
+ if (con->file < 0 && con->http.state != HTTP_POST_SEND)
{
- con->bytes += bytes;
+ /*
+ * Create a file as needed for the request data...
+ */
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdReadClient: %d writing %d bytes to %d",
- con->http.fd, bytes, con->file);
+ cupsdSetStringf(&con->filename, "%s/%08x", RequestRoot,
+ request_id ++);
+ con->file = open(con->filename, O_WRONLY | O_CREAT | O_TRUNC, 0640);
- if (write(con->file, line, bytes) < bytes)
+ if (con->file < 0)
{
- cupsdLogMessage(CUPSD_LOG_ERROR,
- "cupsdReadClient: Unable to write %d bytes to %s: %s",
- bytes, con->filename, strerror(errno));
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "Unable to create request file %s: %s",
+ con->filename, strerror(errno));
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdReadClient: Closing file %d...",
- con->file);
+ if (!cupsdSendError(con, HTTP_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+ }
- close(con->file);
- con->file = -1;
- unlink(con->filename);
- cupsdClearString(&con->filename);
+ fchmod(con->file, 0640);
+ fchown(con->file, RunUser, Group);
+ fcntl(con->file, F_SETFD, fcntl(con->file, F_GETFD) | FD_CLOEXEC);
+ }
+
+ if (con->http.state != HTTP_POST_SEND)
+ {
+ if ((bytes = httpRead2(HTTP(con), line, sizeof(line))) < 0)
+ {
+ if (con->http.error && con->http.error != EPIPE)
+ cupsdLogMessage(CUPSD_LOG_DEBUG,
+ "cupsdReadClient: %d POST_SEND Closing for "
+ "error %d (%s)", con->http.fd, con->http.error,
+ strerror(con->http.error));
+ else
+ cupsdLogMessage(CUPSD_LOG_DEBUG,
+ "cupsdReadClient: %d POST_SEND Closing on EOF",
+ con->http.fd);
+
+ cupsdCloseClient(con);
+ return;
+ }
+ else if (bytes > 0)
+ {
+ con->bytes += bytes;
- if (!cupsdSendError(con, HTTP_REQUEST_TOO_LARGE))
- return (cupsdCloseClient(con));
+ if (write(con->file, line, bytes) < bytes)
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "cupsdReadClient: Unable to write %d bytes to "
+ "%s: %s", bytes, con->filename,
+ strerror(errno));
+
+ close(con->file);
+ con->file = -1;
+ unlink(con->filename);
+ cupsdClearString(&con->filename);
+
+ if (!cupsdSendError(con, HTTP_REQUEST_TOO_LARGE,
+ CUPSD_AUTH_NONE))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+ }
+ }
+ else if (con->http.state == HTTP_POST_RECV)
+ return;
+ else if (con->http.state != HTTP_POST_SEND)
+ {
+ cupsdLogMessage(CUPSD_LOG_DEBUG,
+ "cupsdReadClient: %d Closing on unknown HTTP "
+ "state %d", con->http.fd, con->http.state);
+ cupsdCloseClient(con);
+ return;
}
}
- else if (con->http.state == HTTP_POST_RECV)
- return (1); /* ??? */
- else if (con->http.state != HTTP_POST_SEND)
- return (cupsdCloseClient(con));
- }
+ }
+ while (con->http.state == HTTP_POST_RECV && data_ready(con));
if (con->http.state == HTTP_POST_SEND)
{
{
fstat(con->file, &filestats);
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdReadClient: %d Closing data file %d, "
- "size=" CUPS_LLFMT ".",
- con->http.fd, con->file,
- CUPS_LLCAST filestats.st_size);
-
close(con->file);
con->file = -1;
* Request is too big; remove it and send an error...
*/
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdReadClient: %d Removing temp file %s",
- con->http.fd, con->filename);
unlink(con->filename);
cupsdClearString(&con->filename);
con->request = NULL;
}
- if (!cupsdSendError(con, HTTP_REQUEST_TOO_LARGE))
- return (cupsdCloseClient(con));
+ if (!cupsdSendError(con, HTTP_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+ }
+ else if (filestats.st_size == 0)
+ {
+ /*
+ * Don't allow empty file...
+ */
+
+ unlink(con->filename);
+ cupsdClearString(&con->filename);
}
if (con->command)
{
if (!cupsdSendCommand(con, con->command, con->options, 0))
{
- if (!cupsdSendError(con, HTTP_NOT_FOUND))
- return (cupsdCloseClient(con));
+ if (!cupsdSendError(con, HTTP_NOT_FOUND, CUPSD_AUTH_NONE))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
}
else
cupsdLogRequest(con, HTTP_OK);
}
if (con->request)
- return (cupsdProcessIPPRequest(con));
+ {
+ cupsdProcessIPPRequest(con);
+
+ if (con->filename)
+ {
+ unlink(con->filename);
+ cupsdClearString(&con->filename);
+ }
+
+ return;
+ }
}
break;
break; /* Anti-compiler-warning-code */
}
- if (!con->http.keep_alive && con->http.state == HTTP_WAITING)
- return (cupsdCloseClient(con));
- else
- return (1);
+ if (con->http.state == HTTP_WAITING)
+ {
+ if (!con->http.keep_alive)
+ {
+ cupsdLogMessage(CUPSD_LOG_DEBUG,
+ "cupsdReadClient: %d Closing because Keep-Alive disabled",
+ con->http.fd);
+ cupsdCloseClient(con);
+ }
+ else
+ {
+ cupsArrayRemove(ActiveClients, con);
+ cupsdSetBusyState();
+ }
+ }
}
if (con->filename)
+ {
fd = open(con->filename, O_RDONLY);
- else
- fd = open("/dev/null", O_RDONLY);
- if (fd < 0)
- {
- cupsdLogMessage(CUPSD_LOG_ERROR,
- "cupsdSendCommand: %d Unable to open \"%s\" for reading: %s",
- con->http.fd, con->filename ? con->filename : "/dev/null",
- strerror(errno));
- return (0);
- }
+ if (fd < 0)
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "cupsdSendCommand: %d Unable to open \"%s\" for reading: %s",
+ con->http.fd, con->filename ? con->filename : "/dev/null",
+ strerror(errno));
+ return (0);
+ }
- fcntl(fd, F_SETFD, fcntl(fd, F_GETFD) | FD_CLOEXEC);
+ fcntl(fd, F_SETFD, fcntl(fd, F_GETFD) | FD_CLOEXEC);
+ }
+ else
+ fd = -1;
con->pipe_pid = pipe_command(con, fd, &(con->file), command, options, root);
- close(fd);
+ if (fd >= 0)
+ close(fd);
cupsdLogMessage(CUPSD_LOG_INFO, "Started \"%s\" (pid=%d)", command,
con->pipe_pid);
fcntl(con->file, F_SETFD, fcntl(con->file, F_GETFD) | FD_CLOEXEC);
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdSendCommand: Adding fd %d to InputSet...", con->file);
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdSendCommand: Adding fd %d to OutputSet...",
- con->http.fd);
-
- FD_SET(con->file, InputSet);
- FD_SET(con->http.fd, OutputSet);
+ cupsdAddSelect(con->file, (cupsd_selfunc_t)write_pipe, NULL, con);
con->sent_header = 0;
con->file_ready = 0;
con->got_fields = 0;
- con->field_col = 0;
+ con->header_used = 0;
return (1);
}
int /* O - 1 if successful, 0 otherwise */
cupsdSendError(cupsd_client_t *con, /* I - Connection */
- http_status_t code) /* I - Error code */
+ http_status_t code, /* I - Error code */
+ int auth_type)/* I - Authentication type */
{
+ cupsdLogMessage(CUPSD_LOG_DEBUG2,
+ "cupsdSendError(con=%p(%d), code=%d, auth_type=%d", con,
+ con->http.fd, code, auth_type);
+
+#ifdef HAVE_SSL
+ /*
+ * Force client to upgrade for authentication if that is how the
+ * server is configured...
+ */
+
+ if (code == HTTP_UNAUTHORIZED &&
+ DefaultEncryption == HTTP_ENCRYPT_REQUIRED &&
+ strcasecmp(con->http.hostname, "localhost") &&
+ !con->http.tls)
+ {
+ code = HTTP_UPGRADE_REQUIRED;
+ }
+#endif /* HAVE_SSL */
+
/*
* Put the request in the access_log file...
*/
cupsdLogRequest(con, code);
- cupsdLogMessage(CUPSD_LOG_DEBUG, "cupsdSendError: %d code=%d (%s)",
- con->http.fd, code, httpStatus(code));
-
/*
* To work around bugs in some proxies, don't use Keep-Alive for some
* error messages...
+ *
+ * Kerberos authentication doesn't work without Keep-Alive, so
+ * never disable it in that case.
*/
- if (code >= HTTP_BAD_REQUEST)
+ if (code >= HTTP_BAD_REQUEST && con->http.auth_type != CUPSD_AUTH_NEGOTIATE)
con->http.keep_alive = HTTP_KEEPALIVE_OFF;
/*
* 400 or 500 series, make sure the message contains some text, too!
*/
- if (!cupsdSendHeader(con, code, NULL))
+ if (!cupsdSendHeader(con, code, NULL, auth_type))
return (0);
#ifdef HAVE_SSL
return (0);
#endif /* HAVE_SSL */
- if ((con->http.version >= HTTP_1_1 && !con->http.keep_alive) ||
- (code >= HTTP_BAD_REQUEST && code != HTTP_UPGRADE_REQUIRED))
+ if (con->http.version >= HTTP_1_1 &&
+ con->http.keep_alive == HTTP_KEEPALIVE_OFF)
{
if (httpPrintf(HTTP(con), "Connection: close\r\n") < 0)
return (0);
* Send a human-readable error message.
*/
- char message[1024]; /* Message for user */
+ char message[4096], /* Message for user */
+ urltext[1024], /* URL redirection text */
+ redirect[1024]; /* Redirection link */
const char *text; /* Status-specific text */
+
+ redirect[0] = '\0';
+
if (code == HTTP_UNAUTHORIZED)
text = _cupsLangString(con->language,
_("Enter your username and password or the "
"root username and password to access this "
- "page."));
+ "page. If you are using Kerberos authentication, "
+ "make sure you have a valid Kerberos ticket."));
else if (code == HTTP_UPGRADE_REQUIRED)
+ {
+ text = urltext;
+
+ snprintf(urltext, sizeof(urltext),
+ _cupsLangString(con->language,
+ _("You must access this page using the URL "
+ "<A HREF=\"https://%s:%d%s\">"
+ "https://%s:%d%s</A>.")),
+ con->servername, con->serverport, con->uri,
+ con->servername, con->serverport, con->uri);
+
+ snprintf(redirect, sizeof(redirect),
+ "<META HTTP-EQUIV=\"Refresh\" "
+ "CONTENT=\"3;URL=https://%s:%d%s\">\n",
+ con->servername, con->serverport, con->uri);
+ }
+ else if (code == HTTP_WEBIF_DISABLED)
text = _cupsLangString(con->language,
- _("You must use a https: URL to access this "
- "page."));
+ _("The web interface is currently disabled. Run "
+ "\"cupsctl WebInterface=yes\" to enable it."));
else
text = "";
snprintf(message, sizeof(message),
- "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0 Transitional//EN\" "
- "\"http://www.w3.org/TR/REC-html40/loose.dtd\">\n"
+ "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" "
+ "\"http://www.w3.org/TR/html4/loose.dtd\">\n"
"<HTML>\n"
"<HEAD>\n"
"\t<META HTTP-EQUIV=\"Content-Type\" "
"CONTENT=\"text/html; charset=utf-8\">\n"
- "\t<TITLE>%d %s</TITLE>\n"
+ "\t<TITLE>%s - " CUPS_SVERSION "</TITLE>\n"
"\t<LINK REL=\"STYLESHEET\" TYPE=\"text/css\" "
"HREF=\"/cups.css\">\n"
+ "%s"
"</HEAD>\n"
"<BODY>\n"
- "<H1>%d %s</H1>\n"
+ "<H1>%s</H1>\n"
"<P>%s</P>\n"
"</BODY>\n"
"</HTML>\n",
- code, httpStatus(code), code, httpStatus(code), text);
+ httpStatus(code), redirect, httpStatus(code), text);
if (httpPrintf(HTTP(con), "Content-Type: text/html; charset=utf-8\r\n") < 0)
return (0);
else if (httpPrintf(HTTP(con), "\r\n") < 0)
return (0);
+ if (cupsdFlushHeader(con) < 0)
+ return (0);
+
con->http.state = HTTP_WAITING;
return (1);
/*
- * 'cupsdSendFile()' - Send a file via HTTP.
+ * 'cupsdSendHeader()' - Send an HTTP request.
*/
-int /* O - 0 on failure, 1 on success */
-cupsdSendFile(cupsd_client_t *con, /* I - Client connection */
- http_status_t code, /* I - HTTP status */
- char *filename, /* I - Filename */
- char *type, /* I - File type */
- struct stat *filestats)/* O - File information */
+int /* O - 1 on success, 0 on failure */
+cupsdSendHeader(
+ cupsd_client_t *con, /* I - Client to send to */
+ http_status_t code, /* I - HTTP status code */
+ char *type, /* I - MIME type of document */
+ int auth_type) /* I - Type of authentication */
{
- con->file = open(filename, O_RDONLY);
-
- cupsdLogMessage(CUPSD_LOG_DEBUG, "cupsdSendFile: %d file=%d", con->http.fd,
- con->file);
-
- if (con->file < 0)
- return (0);
-
- fcntl(con->file, F_SETFD, fcntl(con->file, F_GETFD) | FD_CLOEXEC);
-
- con->pipe_pid = 0;
-
- if (!cupsdSendHeader(con, code, type))
- return (0);
-
- if (httpPrintf(HTTP(con), "Last-Modified: %s\r\n",
- httpGetDateString(filestats->st_mtime)) < 0)
- return (0);
- if (httpPrintf(HTTP(con), "Content-Length: " CUPS_LLFMT "\r\n",
- CUPS_LLCAST filestats->st_size) < 0)
- return (0);
- if (httpPrintf(HTTP(con), "\r\n") < 0)
- return (0);
+ char auth_str[1024]; /* Authorization string */
+#ifdef HAVE_GSSAPI
+ static char *gss_buf = NULL; /* Kerberos auth data buffer */
+ static int gss_bufsize = 0; /* Size of Kerberos auth data buffer */
+#endif /* HAVE_GSSAPI */
- con->http.data_encoding = HTTP_ENCODE_LENGTH;
- con->http.data_remaining = filestats->st_size;
- if (con->http.data_remaining <= INT_MAX)
- con->http._data_remaining = con->http.data_remaining;
- else
- con->http._data_remaining = INT_MAX;
+ /*
+ * Send the HTTP status header...
+ */
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdSendFile: Adding fd %d to OutputSet...", con->http.fd);
+ if (code == HTTP_CONTINUE)
+ {
+ /*
+ * 100-continue doesn't send any headers...
+ */
- FD_SET(con->http.fd, OutputSet);
+ return (httpPrintf(HTTP(con), "HTTP/%d.%d 100 Continue\r\n\r\n",
+ con->http.version / 100, con->http.version % 100) > 0);
+ }
+ else if (code == HTTP_WEBIF_DISABLED)
+ {
+ /*
+ * Treat our special "web interface is disabled" status as "200 OK" for web
+ * browsers.
+ */
- return (1);
-}
+ code = HTTP_OK;
+ }
+ httpFlushWrite(HTTP(con));
-/*
- * 'cupsdSendHeader()' - Send an HTTP request.
- */
+ con->http.data_encoding = HTTP_ENCODE_FIELDS;
-int /* O - 1 on success, 0 on failure */
-cupsdSendHeader(cupsd_client_t *con, /* I - Client to send to */
- http_status_t code, /* I - HTTP status code */
- char *type) /* I - MIME type of document */
-{
if (httpPrintf(HTTP(con), "HTTP/%d.%d %d %s\r\n", con->http.version / 100,
con->http.version % 100, code, httpStatus(code)) < 0)
return (0);
return (0);
}
if (code == HTTP_METHOD_NOT_ALLOWED)
- if (httpPrintf(HTTP(con), "Allow: GET, HEAD, OPTIONS, POST\r\n") < 0)
+ if (httpPrintf(HTTP(con), "Allow: GET, HEAD, OPTIONS, POST, PUT\r\n") < 0)
return (0);
if (code == HTTP_UNAUTHORIZED)
{
- int auth_type; /* Authentication type */
+ if (auth_type == CUPSD_AUTH_NONE)
+ {
+ if (!con->best || con->best->type <= CUPSD_AUTH_NONE)
+ auth_type = DefaultAuthType;
+ else
+ auth_type = con->best->type;
+ }
+ auth_str[0] = '\0';
- if (!con->best || con->best->type == AUTH_NONE)
- auth_type = DefaultAuthType;
- else
- auth_type = con->best->type;
-
- if (auth_type != AUTH_DIGEST)
+ if (auth_type == CUPSD_AUTH_BASIC || auth_type == CUPSD_AUTH_BASICDIGEST)
+ strlcpy(auth_str, "Basic realm=\"CUPS\"", sizeof(auth_str));
+ else if (auth_type == CUPSD_AUTH_DIGEST)
+ snprintf(auth_str, sizeof(auth_str), "Digest realm=\"CUPS\", nonce=\"%s\"",
+ con->http.hostname);
+#ifdef HAVE_GSSAPI
+ else if (auth_type == CUPSD_AUTH_NEGOTIATE && con->gss_output_token.length == 0)
+ strlcpy(auth_str, "Negotiate", sizeof(auth_str));
+#endif /* HAVE_GSSAPI */
+
+ if (con->best && auth_type != CUPSD_AUTH_NEGOTIATE &&
+ !strcasecmp(con->http.hostname, "localhost"))
{
- if (httpPrintf(HTTP(con),
- "WWW-Authenticate: Basic realm=\"CUPS\"\r\n") < 0)
- return (0);
+ /*
+ * Add a "trc" (try root certification) parameter for local non-Kerberos
+ * requests when the request requires system group membership - then the
+ * client knows the root certificate can/should be used.
+ *
+ * Also, for Mac OS X we also look for @AUTHKEY and add an "authkey"
+ * parameter as needed...
+ */
+
+ char *name, /* Current user name */
+ *auth_key; /* Auth key buffer */
+ size_t auth_size; /* Size of remaining buffer */
+
+ auth_key = auth_str + strlen(auth_str);
+ auth_size = sizeof(auth_str) - (auth_key - auth_str);
+
+ for (name = (char *)cupsArrayFirst(con->best->names);
+ name;
+ name = (char *)cupsArrayNext(con->best->names))
+ {
+#ifdef HAVE_AUTHORIZATION_H
+ if (!strncasecmp(name, "@AUTHKEY(", 9))
+ {
+ snprintf(auth_key, auth_size, ", authkey=\"%s\"", name + 9);
+ /* end parenthesis is stripped in conf.c */
+ break;
+ }
+ else
+#endif /* HAVE_AUTHORIZATION_H */
+ if (!strcasecmp(name, "@SYSTEM"))
+ {
+#ifdef HAVE_AUTHORIZATION_H
+ if (SystemGroupAuthKey)
+ snprintf(auth_key, auth_size,
+ ", authkey=\"%s\", trc=\"y\"",
+ SystemGroupAuthKey);
+ else
+#else
+ strlcpy(auth_key, ", trc=\"y\"", auth_size);
+#endif /* HAVE_AUTHORIZATION_H */
+ break;
+ }
+ }
}
- else
+
+ if (auth_str[0])
{
- if (httpPrintf(HTTP(con),
- "WWW-Authenticate: Digest realm=\"CUPS\", nonce=\"%s\"\r\n",
- con->http.hostname) < 0)
+ cupsdLogMessage(CUPSD_LOG_DEBUG,
+ "cupsdSendHeader: %d WWW-Authenticate: %s", con->http.fd,
+ auth_str);
+
+ if (httpPrintf(HTTP(con), "WWW-Authenticate: %s\r\n", auth_str) < 0)
+ return (0);
+ }
+ }
+
+#ifdef HAVE_GSSAPI
+ /*
+ * WWW-Authenticate: Negotiate can be included even for
+ * non-401 replies...
+ */
+
+ if (con->gss_output_token.length > 0 && con->gss_output_token.length <= 65536)
+ {
+ OM_uint32 minor_status; /* Minor status code */
+ int bufsize; /* Size of output token buffer */
+
+
+ bufsize = con->gss_output_token.length * 4 / 3 + 2;
+
+ if (bufsize > gss_bufsize)
+ {
+ char *buf; /* New buffer */
+
+
+ bufsize = (bufsize + 1023) & 1023;/* Round up */
+
+ if (gss_buf)
+ buf = realloc(gss_buf, bufsize);
+ else
+ buf = malloc(bufsize);
+
+ if (!buf)
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "Unable to allocate %d bytes for Kerberos credentials!",
+ bufsize);
return (0);
+ }
+
+ gss_buf = buf;
+ gss_bufsize = bufsize;
}
+
+ httpEncode64_2(gss_buf, gss_bufsize,
+ con->gss_output_token.value,
+ con->gss_output_token.length);
+ gss_release_buffer(&minor_status, &con->gss_output_token);
+
+ cupsdLogMessage(CUPSD_LOG_DEBUG,
+ "cupsdSendHeader: WWW-Authenticate: Negotiate %s", gss_buf);
+
+ if (httpPrintf(HTTP(con), "WWW-Authenticate: Negotiate %s\r\n",
+ gss_buf) < 0)
+ return (0);
+ }
+ else if (con->gss_output_token.length > 65536)
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "Kerberos credentials larger than 64k (%d)!",
+ (int)con->gss_output_token.length);
+ return (0);
}
+#endif /* HAVE_GSSAPI */
- if (con->language != NULL)
+ if (con->language && strcmp(con->language->language, "C"))
{
if (httpPrintf(HTTP(con), "Content-Language: %s\r\n",
con->language->language) < 0)
return (0);
}
- if (type != NULL)
+ if (type)
{
if (!strcmp(type, "text/html"))
{
while ((ptr = cupsdStatBufUpdate(CGIStatusBuffer, &loglevel,
message, sizeof(message))) != NULL)
+ {
+ if (loglevel == CUPSD_LOG_INFO)
+ cupsdLogMessage(CUPSD_LOG_INFO, "%s", message);
+
if (!strchr(CGIStatusBuffer->buffer, '\n'))
break;
+ }
- if (ptr == NULL && errno)
+ if (ptr == NULL && !CGIStatusBuffer->bufused)
{
/*
* Fatal error on pipe - should never happen!
* 'cupsdWriteClient()' - Write data to a client as needed.
*/
-int /* O - 1 if success, 0 if fail */
+void
cupsdWriteClient(cupsd_client_t *con) /* I - Client connection */
{
- int bytes; /* Number of bytes written */
- char buf[16385]; /* Data buffer */
- char *bufptr; /* Pointer into buffer */
+ int bytes, /* Number of bytes written */
+ field_col; /* Current column */
+ char *bufptr, /* Pointer into buffer */
+ *bufend; /* Pointer to end of buffer */
ipp_state_t ipp_state; /* IPP state value */
-#ifdef DEBUG
cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdWriteClient(con=%p) %d response=%p, file=%d "
+ "cupsdWriteClient(con=%p(%d)) response=%p(%d), file=%d "
"pipe_pid=%d state=%d",
- con, con->http.fd, con->response, con->file, con->pipe_pid,
- con->http.state);
-#endif /* DEBUG */
+ con, con->http.fd, con->response,
+ con->response ? con->response->state : -1,
+ con->file, con->pipe_pid, con->http.state);
if (con->http.state != HTTP_GET_SEND &&
con->http.state != HTTP_POST_SEND)
- return (1);
+ {
+ /*
+ * If we get called in the wrong state, then something went wrong with the
+ * connection and we need to shut it down...
+ */
+
+ cupsdLogMessage(CUPSD_LOG_DEBUG,
+ "cupsdWriteClient: %d Closing on unknown HTTP state %d",
+ con->http.fd, con->http.state);
+ cupsdCloseClient(con);
+ return;
+ }
+
+ if (con->pipe_pid)
+ {
+ /*
+ * Make sure we select on the CGI output...
+ */
+
+ cupsdAddSelect(con->file, (cupsd_selfunc_t)write_pipe, NULL, con);
+
+ if (!con->file_ready)
+ {
+ /*
+ * Try again later when there is CGI output available...
+ */
+
+ cupsdRemoveSelect(con->http.fd);
+ return;
+ }
- if (con->response != NULL)
+ con->file_ready = 0;
+ }
+
+ if (con->response && con->response->state != IPP_DATA)
{
- ipp_state = ippWrite(&(con->http), con->response);
- bytes = ipp_state != IPP_ERROR && ipp_state != IPP_DATA;
+ ipp_state = ippWrite(HTTP(con), con->response);
+ bytes = ipp_state != IPP_ERROR &&
+ (con->file >= 0 || ipp_state != IPP_DATA);
}
- else if ((bytes = read(con->file, buf, sizeof(buf) - 1)) > 0)
+ else if ((bytes = read(con->file, con->header,
+ sizeof(con->header) - con->header_used)) > 0)
{
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdWriteClient: Read %d bytes from file %d...",
- bytes, con->file);
+ con->header_used += bytes;
if (con->pipe_pid && !con->got_fields)
{
* Inspect the data for Content-Type and other fields.
*/
- buf[bytes] = '\0';
-
- for (bufptr = buf; !con->got_fields && *bufptr; bufptr ++)
+ for (bufptr = con->header, bufend = con->header + con->header_used,
+ field_col = 0;
+ !con->got_fields && bufptr < bufend;
+ bufptr ++)
+ {
if (*bufptr == '\n')
{
/*
* Send line to client...
*/
- if (bufptr > buf && bufptr[-1] == '\r')
+ if (bufptr > con->header && bufptr[-1] == '\r')
bufptr[-1] = '\0';
*bufptr++ = '\0';
- cupsdLogMessage(CUPSD_LOG_DEBUG2, "Script header: %s", buf);
+ cupsdLogMessage(CUPSD_LOG_DEBUG, "Script header: %s", con->header);
if (!con->sent_header)
{
* Handle redirection and CGI status codes...
*/
- if (!strncasecmp(buf, "Location:", 9))
- cupsdSendHeader(con, HTTP_SEE_OTHER, NULL);
- else if (!strncasecmp(buf, "Status:", 7))
- cupsdSendHeader(con, atoi(buf + 7), NULL);
- else
- cupsdSendHeader(con, HTTP_OK, NULL);
-
- if (con->http.version == HTTP_1_1)
+ if (!strncasecmp(con->header, "Location:", 9))
{
- con->http.data_encoding = HTTP_ENCODE_CHUNKED;
+ cupsdSendHeader(con, HTTP_SEE_OTHER, NULL, CUPSD_AUTH_NONE);
+ con->sent_header = 2;
- if (httpPrintf(HTTP(con), "Transfer-Encoding: chunked\r\n") < 0)
- return (0);
+ if (httpPrintf(HTTP(con), "Content-Length: 0\r\n") < 0)
+ return;
+ }
+ else if (!strncasecmp(con->header, "Status:", 7))
+ {
+ cupsdSendError(con, (http_status_t)atoi(con->header + 7),
+ CUPSD_AUTH_NONE);
+ con->sent_header = 2;
}
+ else
+ {
+ cupsdSendHeader(con, HTTP_OK, NULL, CUPSD_AUTH_NONE);
+ con->sent_header = 1;
- con->sent_header = 1;
+ if (con->http.version == HTTP_1_1)
+ {
+ if (httpPrintf(HTTP(con), "Transfer-Encoding: chunked\r\n") < 0)
+ return;
+ }
+ }
}
- if (strncasecmp(buf, "Status:", 7))
- httpPrintf(HTTP(con), "%s\r\n", buf);
-
- cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdWriteClient: %d %s",
- con->http.fd, buf);
+ if (strncasecmp(con->header, "Status:", 7))
+ httpPrintf(HTTP(con), "%s\r\n", con->header);
/*
* Update buffer...
*/
- bytes -= (bufptr - buf);
- memmove(buf, bufptr, bytes + 1);
- bufptr = buf - 1;
+ con->header_used -= bufptr - con->header;
+
+ if (con->header_used > 0)
+ memmove(con->header, bufptr, con->header_used);
+
+ bufptr = con->header - 1;
/*
* See if the line was empty...
*/
- if (con->field_col == 0)
+ if (field_col == 0)
+ {
con->got_fields = 1;
+
+ if (cupsdFlushHeader(con) < 0)
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+
+ if (con->http.version == HTTP_1_1)
+ con->http.data_encoding = HTTP_ENCODE_CHUNKED;
+ }
else
- con->field_col = 0;
+ field_col = 0;
}
else if (*bufptr != '\r')
- con->field_col ++;
-
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdWriteClient: %d bytes=%d, got_fields=%d",
- con->http.fd, bytes, con->got_fields);
-
- if (bytes > 0 && !con->got_fields)
- {
- /*
- * Remaining text needs to go out...
- */
-
- httpPrintf(HTTP(con), "%s", buf);
-
- con->http.activity = time(NULL);
- return (1);
+ field_col ++;
}
- else if (bytes == 0)
+
+ if (!con->got_fields)
{
con->http.activity = time(NULL);
- return (1);
+ return;
}
}
- if (httpWrite(HTTP(con), buf, bytes) < 0)
+ if (con->header_used > 0)
{
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdWriteClient: %d Write of %d bytes failed!",
- con->http.fd, bytes);
+ if (httpWrite2(HTTP(con), con->header, con->header_used) < 0)
+ {
+ cupsdLogMessage(CUPSD_LOG_DEBUG,
+ "cupsdWriteClient: %d Closing for error %d (%s)",
+ con->http.fd, con->http.error,
+ strerror(con->http.error));
+ cupsdCloseClient(con);
+ return;
+ }
- cupsdCloseClient(con);
- return (0);
- }
+ if (con->http.data_encoding == HTTP_ENCODE_CHUNKED)
+ httpFlushWrite(HTTP(con));
- con->bytes += bytes;
+ con->bytes += con->header_used;
+
+ if (con->http.state == HTTP_WAITING)
+ bytes = 0;
+ else
+ bytes = con->header_used;
- if (con->http.state == HTTP_WAITING)
- bytes = 0;
+ con->header_used = 0;
+ }
}
- if (bytes <= 0)
+ if (bytes <= 0 ||
+ (con->http.state != HTTP_GET_SEND && con->http.state != HTTP_POST_SEND))
{
- cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdWriteClient: %d bytes < 0",
- con->http.fd);
-
- cupsdLogRequest(con, HTTP_OK);
+ if (!con->sent_header && con->pipe_pid)
+ cupsdSendError(con, HTTP_SERVER_ERROR, CUPSD_AUTH_NONE);
+ else
+ {
+ cupsdLogRequest(con, HTTP_OK);
- httpFlushWrite(HTTP(con));
+ httpFlushWrite(HTTP(con));
- if (con->http.data_encoding == HTTP_ENCODE_CHUNKED)
- {
- if (httpPrintf(HTTP(con), "0\r\n\r\n") < 0)
+ if (con->http.data_encoding == HTTP_ENCODE_CHUNKED && con->sent_header == 1)
{
- cupsdCloseClient(con);
- return (0);
+ if (httpWrite2(HTTP(con), "", 0) < 0)
+ {
+ cupsdLogMessage(CUPSD_LOG_DEBUG,
+ "cupsdWriteClient: %d Closing for error %d (%s)",
+ con->http.fd, con->http.error,
+ strerror(con->http.error));
+ cupsdCloseClient(con);
+ return;
+ }
}
}
con->http.state = HTTP_WAITING;
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdWriteClient: Removing fd %d from OutputSet...",
- con->http.fd);
-
- FD_CLR(con->http.fd, OutputSet);
+ cupsdAddSelect(con->http.fd, (cupsd_selfunc_t)cupsdReadClient, NULL, con);
if (con->file >= 0)
{
- if (FD_ISSET(con->file, InputSet))
- {
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdWriteClient: Removing fd %d from InputSet...",
- con->file);
- FD_CLR(con->file, InputSet);
- }
+ cupsdRemoveSelect(con->file);
if (con->pipe_pid)
cupsdEndProcess(con->pipe_pid, 0);
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdWriteClient: %d Closing data file %d.",
- con->http.fd, con->file);
-
close(con->file);
con->file = -1;
con->pipe_pid = 0;
if (con->filename)
{
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdWriteClient: %d Removing temp file %s",
- con->http.fd, con->filename);
unlink(con->filename);
cupsdClearString(&con->filename);
}
- if (con->request != NULL)
+ if (con->request)
{
ippDelete(con->request);
con->request = NULL;
}
- if (con->response != NULL)
+ if (con->response)
{
ippDelete(con->response);
con->response = NULL;
cupsdClearString(&con->command);
cupsdClearString(&con->options);
+ cupsdClearString(&con->query_string);
if (!con->http.keep_alive)
{
+ cupsdLogMessage(CUPSD_LOG_DEBUG,
+ "cupsdWriteClient: %d Closing because Keep-Alive disabled",
+ con->http.fd);
cupsdCloseClient(con);
- return (0);
+ return;
}
- }
- else
- {
- con->file_ready = 0;
-
- if (con->pipe_pid && !FD_ISSET(con->file, InputSet))
+ else
{
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdWriteClient: Adding fd %d to InputSet...",
- con->file);
- FD_SET(con->file, InputSet);
+ cupsArrayRemove(ActiveClients, con);
+ cupsdSetBusyState();
}
}
con->http.activity = time(NULL);
-
- return (1);
}
return (1);
cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "check_if_modified: %d If-Modified-Since=\"%s\"",
- con->http.fd, ptr);
+ "check_if_modified(con=%p(%d), "
+ "filestats=%p(" CUPS_LLFMT ", %d)) If-Modified-Since=\"%s\"",
+ con, con->http.fd, filestats, CUPS_LLCAST filestats->st_size,
+ (int)filestats->st_mtime, ptr);
while (*ptr != '\0')
{
while (*ptr != '\0' && *ptr != ';')
ptr ++;
}
+ else
+ ptr ++;
}
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "check_if_modified: %d sizes=" CUPS_LLFMT ","
- CUPS_LLFMT " dates=%d,%d",
- con->http.fd, CUPS_LLCAST size,
- CUPS_LLCAST filestats->st_size, (int)date,
- (int)filestats->st_mtime);
-
return ((size != filestats->st_size && size != 0) ||
(date < filestats->st_mtime && date != 0) ||
(size == 0 && date == 0));
}
-#ifdef HAVE_CDSASSL
/*
- * 'get_cdsa_server_certs()' - Convert a keychain name into the CFArrayRef
- * required by SSLSetCertificate.
- *
- * For now we assumes that there is exactly one SecIdentity in the
- * keychain - i.e. there is exactly one matching cert/private key pair.
- * In the future we will search a keychain for a SecIdentity matching a
- * specific criteria. We also skip the operation of adding additional
- * non-signing certs from the keychain to the CFArrayRef.
- *
- * To create a self-signed certificate for testing use the certtool.
- * Executing the following as root will do it:
- *
- * certtool c c v k=CUPS
+ * 'compare_clients()' - Compare two client connections.
*/
-static CFArrayRef /* O - Array of certificates */
-get_cdsa_server_certs(void)
+static int /* O - Result of comparison */
+compare_clients(cupsd_client_t *a, /* I - First client */
+ cupsd_client_t *b, /* I - Second client */
+ void *data) /* I - User data (not used) */
{
- OSStatus err; /* Error info */
- SecKeychainRef kcRef; /* Keychain reference */
- SecIdentitySearchRef srchRef; /* Search reference */
- SecIdentityRef identity; /* Identity */
- CFArrayRef ca; /* Certificate array */
-
-
- kcRef = NULL;
- srchRef = NULL;
- identity = NULL;
- ca = NULL;
- err = SecKeychainOpen(ServerCertificate, &kcRef);
+ (void)data;
- if (err)
- cupsdLogMessage(CUPSD_LOG_ERROR, "Cannot open keychain \"%s\", error %d.",
- ServerCertificate, (int)err);
+ if (a == b)
+ return (0);
+ else if (a < b)
+ return (-1);
else
- {
- /*
- * Search for "any" identity matching specified key use;
- * in this app, we expect there to be exactly one.
- */
-
- err = SecIdentitySearchCreate(kcRef, CSSM_KEYUSE_SIGN, &srchRef);
-
- if (err)
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "Cannot find signing key in keychain \"%s\", error %d",
- ServerCertificate, (int)err);
- else
- {
- err = SecIdentitySearchCopyNext(srchRef, &identity);
-
- if (err)
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "Cannot find signing key in keychain \"%s\", error %d",
- ServerCertificate, (int)err);
- else
- {
- if (CFGetTypeID(identity) != SecIdentityGetTypeID())
- cupsdLogMessage(CUPSD_LOG_ERROR,
- "SecIdentitySearchCopyNext CFTypeID failure!");
- else
- {
- /*
- * Found one. Place it in a CFArray.
- * TBD: snag other (non-identity) certs from keychain and add them
- * to array as well.
- */
-
- ca = CFArrayCreate(NULL, (const void **)&identity, 1, NULL);
+ return (1);
+}
- if (ca == nil)
- cupsdLogMessage(CUPSD_LOG_ERROR, "CFArrayCreate error");
- }
- /*CFRelease(identity);*/
- }
+/*
+ * 'data_ready()' - Check whether data is available from a client.
+ */
- /*CFRelease(srchRef);*/
- }
+static int /* O - 1 if data is ready, 0 otherwise */
+data_ready(cupsd_client_t *con) /* I - Client */
+{
+ if (con->http.used > 0)
+ return (1);
+#ifdef HAVE_SSL
+ else if (con->http.tls)
+ {
+# ifdef HAVE_LIBSSL
+ if (SSL_pending((SSL *)(con->http.tls)))
+ return (1);
+# elif defined(HAVE_GNUTLS)
+ if (gnutls_record_check_pending(con->http.tls))
+ return (1);
+# elif defined(HAVE_CDSASSL)
+ size_t bytes; /* Bytes that are available */
- /*CFRelease(kcRef);*/
+ if (!SSLGetBufferedReadSize(con->http.tls, &bytes) && bytes > 0)
+ return (1);
+# endif /* HAVE_LIBSSL */
}
+#endif /* HAVE_SSL */
- return (ca);
+ return (0);
}
-#endif /* HAVE_CDSASSL */
+#ifdef HAVE_SSL
/*
- * 'get_file()' - Get a filename and state info.
+ * 'encrypt_client()' - Enable encryption for the client...
*/
-static char * /* O - Real filename */
-get_file(cupsd_client_t *con, /* I - Client connection */
- struct stat *filestats, /* O - File information */
- char *filename, /* IO - Filename buffer */
- int len) /* I - Buffer length */
+static int /* O - 1 on success, 0 on error */
+encrypt_client(cupsd_client_t *con) /* I - Client to encrypt */
{
- int status; /* Status of filesystem calls */
- char *ptr; /* Pointer info filename */
- int plen; /* Remaining length after pointer */
-
-
- /*
- * Need to add DocumentRoot global...
- */
+# ifdef HAVE_LIBSSL
+ SSL_CTX *context; /* Context for encryption */
+ BIO *bio; /* BIO data */
+ unsigned long error; /* Error code */
- if (!strncmp(con->uri, "/ppd/", 5))
- snprintf(filename, len, "%s%s", ServerRoot, con->uri);
- else if (!strncmp(con->uri, "/admin/conf/", 12))
- snprintf(filename, len, "%s%s", ServerRoot, con->uri + 11);
- else if (!strncmp(con->uri, "/admin/log/", 11))
- {
- if (!strcmp(con->uri + 11, "access_log") && AccessLog[0] == '/')
- strlcpy(filename, AccessLog, len);
- else if (!strcmp(con->uri + 11, "error_log") && ErrorLog[0] == '/')
- strlcpy(filename, ErrorLog, len);
- else if (!strcmp(con->uri + 11, "page_log") && PageLog[0] == '/')
- strlcpy(filename, PageLog, len);
- else
- return (NULL);
- }
- else if (con->language != NULL)
- snprintf(filename, len, "%s/%s%s", DocumentRoot, con->language->language,
- con->uri);
- else
- snprintf(filename, len, "%s%s", DocumentRoot, con->uri);
- if ((ptr = strchr(filename, '?')) != NULL)
- *ptr = '\0';
+ cupsdLogMessage(CUPSD_LOG_DEBUG2, "encrypt_client(con=%p(%d))", con,
+ con->http.fd);
/*
- * Grab the status for this language; if there isn't a language-specific file
- * then fallback to the default one...
+ * Verify that we have a certificate...
*/
- if ((status = stat(filename, filestats)) != 0 && con->language != NULL)
+ if (access(ServerKey, 0) || access(ServerCertificate, 0))
{
/*
- * Drop the language prefix and try the current directory...
+ * Nope, make a self-signed certificate...
*/
- if (strncmp(con->uri, "/ppd/", 5) &&
- strncmp(con->uri, "/admin/conf/", 12) &&
- strncmp(con->uri, "/admin/log/", 11))
- {
- snprintf(filename, len, "%s%s", DocumentRoot, con->uri);
-
- if ((ptr = strchr(filename, '?')) != NULL)
- *ptr = '\0';
-
- status = stat(filename, filestats);
- }
+ if (!make_certificate(con))
+ return (0);
}
/*
- * If we're found a directory, get the index.html file instead...
+ * Create the SSL context and accept the connection...
*/
- if (!status && S_ISDIR(filestats->st_mode))
- {
- if (filename[strlen(filename) - 1] != '/')
- strlcat(filename, "/", len);
-
- ptr = filename + strlen(filename);
- plen = len - (ptr - filename);
+ context = SSL_CTX_new(SSLv23_server_method());
- strlcpy(ptr, "index.html", plen);
- status = stat(filename, filestats);
+ SSL_CTX_set_options(context, SSL_OP_NO_SSLv2); /* Only use SSLv3 or TLS */
+ if (SSLOptions & CUPSD_SSL_NOEMPTY)
+ SSL_CTX_set_options(context, SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS);
+ SSL_CTX_use_PrivateKey_file(context, ServerKey, SSL_FILETYPE_PEM);
+ SSL_CTX_use_certificate_chain_file(context, ServerCertificate);
-#ifdef HAVE_JAVA
- if (status)
- {
- strlcpy(ptr, "index.class", plen);
- status = stat(filename, filestats);
- }
-#endif /* HAVE_JAVA */
+ bio = BIO_new(_httpBIOMethods());
+ BIO_ctrl(bio, BIO_C_SET_FILE_PTR, 0, (char *)HTTP(con));
-#ifdef HAVE_PERL
- if (status)
- {
- strlcpy(ptr, "index.pl", plen);
- status = stat(filename, filestats);
- }
-#endif /* HAVE_PERL */
+ con->http.tls = SSL_new(context);
+ SSL_set_bio(con->http.tls, bio, bio);
-#ifdef HAVE_PHP
- if (status)
- {
- strlcpy(ptr, "index.php", plen);
- status = stat(filename, filestats);
- }
-#endif /* HAVE_PHP */
+ if (SSL_accept(con->http.tls) != 1)
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to encrypt connection from %s!",
+ con->http.hostname);
-#ifdef HAVE_PYTHON
- if (status)
- {
- strlcpy(ptr, "index.pyc", plen);
- status = stat(filename, filestats);
- }
+ while ((error = ERR_get_error()) != 0)
+ cupsdLogMessage(CUPSD_LOG_ERROR, "%s", ERR_error_string(error, NULL));
- if (status)
- {
- strlcpy(ptr, "index.py", plen);
- status = stat(filename, filestats);
- }
-#endif /* HAVE_PYTHON */
+ SSL_CTX_free(context);
+ SSL_free(con->http.tls);
+ con->http.tls = NULL;
+ return (0);
}
- cupsdLogMessage(CUPSD_LOG_DEBUG2, "get_file: %d filename=%s size=%d",
- con->http.fd, filename,
- status ? -1 : (int)filestats->st_size);
-
- if (!status)
- con->http.data_remaining = (int)filestats->st_size;
-
- if (status)
- return (NULL);
- else
- return (filename);
-}
+ cupsdLogMessage(CUPSD_LOG_DEBUG, "Connection from %s now encrypted.",
+ con->http.hostname);
+ return (1);
-/*
- * 'install_conf_file()' - Install a configuration file.
- */
+# elif defined(HAVE_GNUTLS)
+ int error; /* Error code */
+ gnutls_certificate_server_credentials *credentials;
+ /* TLS credentials */
-static http_status_t /* O - Status */
-install_conf_file(cupsd_client_t *con) /* I - Connection */
-{
- cups_file_t *in, /* Input file */
- *out; /* Output file */
- char buffer[1024]; /* Copy buffer */
- int bytes; /* Number of bytes */
- char conffile[1024], /* Configuration filename */
- newfile[1024], /* New config filename */
- oldfile[1024]; /* Old config filename */
- struct stat confinfo; /* Config file info */
+ cupsdLogMessage(CUPSD_LOG_DEBUG2, "encrypt_client(con=%p(%d))", con,
+ con->http.fd);
/*
- * First construct the filenames...
+ * Verify that we have a certificate...
*/
- snprintf(conffile, sizeof(conffile), "%s%s", ServerRoot, con->uri + 11);
- snprintf(newfile, sizeof(newfile), "%s%s.N", ServerRoot, con->uri + 11);
- snprintf(oldfile, sizeof(oldfile), "%s%s.O", ServerRoot, con->uri + 11);
+ if (access(ServerKey, 0) || access(ServerCertificate, 0))
+ {
+ /*
+ * Nope, make a self-signed certificate...
+ */
- cupsdLogMessage(CUPSD_LOG_INFO, "Installing config file \"%s\"...", conffile);
+ if (!make_certificate(con))
+ return (0);
+ }
/*
- * Get the owner, group, and permissions of the configuration file.
- * If it doesn't exist, assign it to the User and Group in the
- * cupsd.conf file with mode 0640 permissions.
+ * Create the SSL object and perform the SSL handshake...
*/
- if (stat(conffile, &confinfo))
+ credentials = (gnutls_certificate_server_credentials *)
+ malloc(sizeof(gnutls_certificate_server_credentials));
+ if (credentials == NULL)
{
- confinfo.st_uid = User;
- confinfo.st_gid = Group;
- confinfo.st_mode = ConfigFilePerm;
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "Unable to encrypt connection from %s - %s",
+ con->http.hostname, strerror(errno));
+
+ return (0);
}
- /*
- * Open the request file and new config file...
- */
+ gnutls_certificate_allocate_credentials(credentials);
+ gnutls_certificate_set_x509_key_file(*credentials, ServerCertificate,
+ ServerKey, GNUTLS_X509_FMT_PEM);
- if ((in = cupsFileOpen(con->filename, "rb")) == NULL)
- {
- cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to open request file \"%s\" - %s",
- con->filename, strerror(errno));
- return (HTTP_SERVER_ERROR);
- }
+ gnutls_init(&con->http.tls), GNUTLS_SERVER);
+ gnutls_set_default_priority(con->http.tls);
+ gnutls_credentials_set(con->http.tls, GNUTLS_CRD_CERTIFICATE, *credentials);
+ gnutls_transport_set_ptr(con->http.tls, (gnutls_transport_ptr)HTTP(con));
+ gnutls_transport_set_pull_function(con->http.tls, _httpReadGNUTLS);
+ gnutls_transport_set_push_function(con->http.tls, _httpWriteGNUTLS);
- if ((out = cupsFileOpen(newfile, "wb")) == NULL)
+ error = gnutls_handshake(con->http.tls);
+
+ if (error != GNUTLS_E_SUCCESS)
{
- cupsFileClose(in);
- cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to open config file \"%s\" - %s",
- newfile, strerror(errno));
- return (HTTP_SERVER_ERROR);
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "Unable to encrypt connection from %s - %s",
+ con->http.hostname, gnutls_strerror(error));
+
+ gnutls_deinit(con->http.tls);
+ gnutls_certificate_free_credentials(*credentials);
+ con->http.tls = NULL;
+ free(credentials);
+ return (0);
}
- fchmod(cupsFileNumber(out), confinfo.st_mode);
- fchown(cupsFileNumber(out), confinfo.st_uid, confinfo.st_gid);
+ cupsdLogMessage(CUPSD_LOG_DEBUG, "Connection from %s now encrypted.",
+ con->http.hostname);
- /*
- * Copy from the request to the new config file...
- */
+ con->http.tls_credentials = credentials;
+ return (1);
- while ((bytes = cupsFileRead(in, buffer, sizeof(buffer))) > 0)
- if (cupsFileWrite(out, buffer, bytes) < bytes)
- {
- cupsdLogMessage(CUPSD_LOG_ERROR,
- "Unable to copy to config file \"%s\" - %s",
- newfile, strerror(errno));
+# elif defined(HAVE_CDSASSL)
+ OSStatus error; /* Error code */
+
+
+ cupsdLogMessage(CUPSD_LOG_DEBUG2, "encrypt_client(con=%p(%d))", con,
+ con->http.fd);
+
+ error = 0;
+ con->http.tls_credentials = get_cdsa_certificate(con);
+
+ if (!con->http.tls_credentials)
+ {
+ /*
+ * No keychain (yet), make a self-signed certificate...
+ */
+
+ if (make_certificate(con))
+ con->http.tls_credentials = get_cdsa_certificate(con);
+ }
+
+ if (!con->http.tls_credentials)
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "Could not find signing key in keychain \"%s\"",
+ ServerCertificate);
+ error = errSSLBadCert; /* errSSLBadConfiguration is a better choice, but not available on 10.2.x */
+ }
+
+ if (!error)
+ error = SSLNewContext(true, &con->http.tls);
+
+ if (!error)
+ error = SSLSetIOFuncs(con->http.tls, _httpReadCDSA, _httpWriteCDSA);
+
+ if (!error)
+ error = SSLSetProtocolVersionEnabled(con->http.tls, kSSLProtocol2, false);
+
+ if (!error)
+ error = SSLSetConnection(con->http.tls, HTTP(con));
+
+ if (!error)
+ error = SSLSetAllowsExpiredCerts(con->http.tls, true);
+
+ if (!error)
+ error = SSLSetAllowsAnyRoot(con->http.tls, true);
+
+ if (!error)
+ error = SSLSetCertificate(con->http.tls, con->http.tls_credentials);
+
+ if (!error)
+ {
+ /*
+ * Perform SSL/TLS handshake
+ */
+
+ while ((error = SSLHandshake(con->http.tls)) == errSSLWouldBlock)
+ usleep(1000);
+ }
+
+ if (error)
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "Unable to encrypt connection from %s - %s (%d)",
+ con->http.hostname, cssmErrorString(error), (int)error);
+
+ con->http.error = error;
+ con->http.status = HTTP_ERROR;
+
+ if (con->http.tls)
+ {
+ SSLDisposeContext(con->http.tls);
+ con->http.tls = NULL;
+ }
+
+ if (con->http.tls_credentials)
+ {
+ CFRelease(con->http.tls_credentials);
+ con->http.tls_credentials = NULL;
+ }
+
+ return (0);
+ }
+
+ cupsdLogMessage(CUPSD_LOG_DEBUG, "Connection from %s now encrypted.",
+ con->http.hostname);
+
+ CFArrayRef peerCerts; /* Peer certificates */
+
+ if (!(error = SSLCopyPeerCertificates(con->http.tls, &peerCerts)) && peerCerts)
+ {
+ cupsdLogMessage(CUPSD_LOG_DEBUG, "Received %d peer certificates!",
+ (int)CFArrayGetCount(peerCerts));
+ }
+ else
+ cupsdLogMessage(CUPSD_LOG_DEBUG, "Received NO peer certificates!");
+
+ return (1);
+
+# endif /* HAVE_LIBSSL */
+}
+#endif /* HAVE_SSL */
+
+
+#ifdef HAVE_CDSASSL
+/*
+ * 'get_cdsa_certificate()' - Get a SSL/TLS certificate from the System keychain.
+ */
+
+static CFArrayRef /* O - Array of certificates */
+get_cdsa_certificate(
+ cupsd_client_t *con) /* I - Client connection */
+{
+ OSStatus err; /* Error info */
+ SecKeychainRef keychain = NULL;/* Keychain reference */
+ SecIdentitySearchRef search = NULL; /* Search reference */
+ SecIdentityRef identity = NULL;/* Identity */
+ CFArrayRef certificates = NULL;
+ /* Certificate array */
+# if HAVE_SECPOLICYCREATESSL
+ SecPolicyRef policy = NULL; /* Policy ref */
+ CFStringRef servername = NULL;
+ /* Server name */
+ CFMutableDictionaryRef query = NULL; /* Query qualifiers */
+ char localname[1024];/* Local hostname */
+# elif defined(HAVE_SECIDENTITYSEARCHCREATEWITHPOLICY)
+ SecPolicyRef policy = NULL; /* Policy ref */
+ SecPolicySearchRef policy_search = NULL;
+ /* Policy search ref */
+ CSSM_DATA options; /* Policy options */
+ CSSM_APPLE_TP_SSL_OPTIONS
+ ssl_options; /* SSL Option for hostname */
+ char localname[1024];/* Local hostname */
+# endif /* HAVE_SECPOLICYCREATESSL */
+
+
+ cupsdLogMessage(CUPSD_LOG_DEBUG,
+ "get_cdsa_certificate: Looking for certs for \"%s\"...",
+ con->servername);
+
+ if ((err = SecKeychainOpen(ServerCertificate, &keychain)))
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR, "Cannot open keychain \"%s\" - %s (%d)",
+ ServerCertificate, cssmErrorString(err), (int)err);
+ goto cleanup;
+ }
+
+# if HAVE_SECPOLICYCREATESSL
+ servername = CFStringCreateWithCString(kCFAllocatorDefault, con->servername,
+ kCFStringEncodingUTF8);
+
+ if ((policy = SecPolicyCreateSSL(1, servername)) == NULL)
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR, "Cannot create ssl policy reference");
+ goto cleanup;
+ }
+
+ if (servername)
+ CFRelease(servername);
+
+ if (!(query = CFDictionaryCreateMutable(kCFAllocatorDefault, 0,
+ &kCFTypeDictionaryKeyCallBacks,
+ &kCFTypeDictionaryValueCallBacks)))
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR, "Cannot create query dictionary");
+ goto cleanup;
+ }
+
+ CFDictionaryAddValue(query, kSecClass, kSecClassIdentity);
+ CFDictionaryAddValue(query, kSecMatchPolicy, policy);
+ CFDictionaryAddValue(query, kSecReturnRef, kCFBooleanTrue);
+ CFDictionaryAddValue(query, kSecMatchLimit, kSecMatchLimitOne);
+
+ err = SecItemCopyMatching(query, (CFTypeRef *)&identity);
+
+ if (err && DNSSDHostName)
+ {
+ /*
+ * Search for the connection server name failed; try the DNS-SD .local
+ * hostname instead...
+ */
+
+ snprintf(localname, sizeof(localname), "%s.local", DNSSDHostName);
+
+ cupsdLogMessage(CUPSD_LOG_DEBUG,
+ "get_cdsa_certificate: Looking for certs for \"%s\"...",
+ localname);
+
+ servername = CFStringCreateWithCString(kCFAllocatorDefault, localname,
+ kCFStringEncodingUTF8);
+
+ CFRelease(policy);
+
+ if ((policy = SecPolicyCreateSSL(1, servername)) == NULL)
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR, "Cannot create ssl policy reference");
+ goto cleanup;
+ }
+
+ if (servername)
+ CFRelease(servername);
+
+ CFDictionarySetValue(query, kSecMatchPolicy, policy);
+
+ err = SecItemCopyMatching(query, (CFTypeRef *)&identity);
+ }
+
+ if (err)
+ {
+ cupsdLogMessage(CUPSD_LOG_DEBUG,
+ "Cannot find signing key in keychain \"%s\": %s (%d)",
+ ServerCertificate, cssmErrorString(err), (int)err);
+ goto cleanup;
+ }
+
+# elif defined(HAVE_SECIDENTITYSEARCHCREATEWITHPOLICY)
+ /*
+ * Use a policy to search for valid certificates whose common name matches the
+ * servername...
+ */
+
+ if (SecPolicySearchCreate(CSSM_CERT_X_509v3, &CSSMOID_APPLE_TP_SSL,
+ NULL, &policy_search))
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR, "Cannot create a policy search reference");
+ goto cleanup;
+ }
+
+ if (SecPolicySearchCopyNext(policy_search, &policy))
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "Cannot find a policy to use for searching");
+ goto cleanup;
+ }
+
+ memset(&ssl_options, 0, sizeof(ssl_options));
+ ssl_options.Version = CSSM_APPLE_TP_SSL_OPTS_VERSION;
+ ssl_options.ServerName = con->servername;
+ ssl_options.ServerNameLen = strlen(con->servername);
+
+ options.Data = (uint8 *)&ssl_options;
+ options.Length = sizeof(ssl_options);
+
+ if (SecPolicySetValue(policy, &options))
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "Cannot set policy value to use for searching");
+ goto cleanup;
+ }
+
+ if ((err = SecIdentitySearchCreateWithPolicy(policy, NULL, CSSM_KEYUSE_SIGN,
+ keychain, FALSE, &search)))
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "Cannot create identity search reference: %s (%d)",
+ cssmErrorString(err), (int)err);
+ goto cleanup;
+ }
+
+ err = SecIdentitySearchCopyNext(search, &identity);
+
+ if (err && DNSSDHostName)
+ {
+ /*
+ * Search for the connection server name failed; try the DNS-SD .local
+ * hostname instead...
+ */
+
+ snprintf(localname, sizeof(localname), "%s.local", DNSSDHostName);
+
+ ssl_options.ServerName = localname;
+ ssl_options.ServerNameLen = strlen(localname);
+
+ cupsdLogMessage(CUPSD_LOG_DEBUG,
+ "get_cdsa_certificate: Looking for certs for \"%s\"...",
+ localname);
+
+ if (SecPolicySetValue(policy, &options))
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "Cannot set policy value to use for searching");
+ goto cleanup;
+ }
+
+ CFRelease(search);
+ search = NULL;
+ if ((err = SecIdentitySearchCreateWithPolicy(policy, NULL, CSSM_KEYUSE_SIGN,
+ keychain, FALSE, &search)))
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "Cannot create identity search reference: %s (%d)",
+ cssmErrorString(err), (int)err);
+ goto cleanup;
+ }
+
+ err = SecIdentitySearchCopyNext(search, &identity);
+
+ }
+
+ if (err)
+ {
+ cupsdLogMessage(CUPSD_LOG_DEBUG,
+ "Cannot find signing key in keychain \"%s\": %s (%d)",
+ ServerCertificate, cssmErrorString(err), (int)err);
+ goto cleanup;
+ }
+
+# else
+ /*
+ * Assume there is exactly one SecIdentity in the keychain...
+ */
+
+ if ((err = SecIdentitySearchCreate(keychain, CSSM_KEYUSE_SIGN, &search)))
+ {
+ cupsdLogMessage(CUPSD_LOG_DEBUG,
+ "Cannot create identity search reference (%d)", (int)err);
+ goto cleanup;
+ }
+
+ if ((err = SecIdentitySearchCopyNext(search, &identity)))
+ {
+ cupsdLogMessage(CUPSD_LOG_DEBUG,
+ "Cannot find signing key in keychain \"%s\": %s (%d)",
+ ServerCertificate, cssmErrorString(err), (int)err);
+ goto cleanup;
+ }
+# endif /* HAVE_SECPOLICYCREATESSL */
+
+ if (CFGetTypeID(identity) != SecIdentityGetTypeID())
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR, "SecIdentity CFTypeID failure!");
+ goto cleanup;
+ }
+
+ if ((certificates = CFArrayCreate(NULL, (const void **)&identity,
+ 1, &kCFTypeArrayCallBacks)) == NULL)
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR, "Cannot create certificate array");
+ goto cleanup;
+ }
+
+ cleanup :
+
+ if (keychain)
+ CFRelease(keychain);
+ if (search)
+ CFRelease(search);
+ if (identity)
+ CFRelease(identity);
+
+# if HAVE_SECPOLICYCREATESSL
+ if (policy)
+ CFRelease(policy);
+ if (query)
+ CFRelease(query);
+# elif defined(HAVE_SECIDENTITYSEARCHCREATEWITHPOLICY)
+ if (policy)
+ CFRelease(policy);
+ if (policy_search)
+ CFRelease(policy_search);
+# endif /* HAVE_SECPOLICYCREATESSL */
+
+ return (certificates);
+}
+#endif /* HAVE_CDSASSL */
+
+
+/*
+ * 'get_file()' - Get a filename and state info.
+ */
+
+static char * /* O - Real filename */
+get_file(cupsd_client_t *con, /* I - Client connection */
+ struct stat *filestats, /* O - File information */
+ char *filename, /* IO - Filename buffer */
+ int len) /* I - Buffer length */
+{
+ int status; /* Status of filesystem calls */
+ char *ptr; /* Pointer info filename */
+ int plen; /* Remaining length after pointer */
+ char language[7]; /* Language subdirectory, if any */
+
+
+ /*
+ * Figure out the real filename...
+ */
+
+ language[0] = '\0';
+
+ if (!strncmp(con->uri, "/ppd/", 5) && !strchr(con->uri + 5, '/'))
+ snprintf(filename, len, "%s%s", ServerRoot, con->uri);
+ else if (!strncmp(con->uri, "/icons/", 7) && !strchr(con->uri + 7, '/'))
+ {
+ snprintf(filename, len, "%s/%s", CacheDir, con->uri + 7);
+ if (access(filename, F_OK) < 0)
+ snprintf(filename, len, "%s/images/generic.png", DocumentRoot);
+ }
+ else if (!strncmp(con->uri, "/rss/", 5) && !strchr(con->uri + 5, '/'))
+ snprintf(filename, len, "%s/rss/%s", CacheDir, con->uri + 5);
+ else if (!strncmp(con->uri, "/admin/conf/", 12))
+ snprintf(filename, len, "%s%s", ServerRoot, con->uri + 11);
+ else if (!strncmp(con->uri, "/admin/log/", 11))
+ {
+ if (!strncmp(con->uri + 11, "access_log", 10) && AccessLog[0] == '/')
+ strlcpy(filename, AccessLog, len);
+ else if (!strncmp(con->uri + 11, "error_log", 9) && ErrorLog[0] == '/')
+ strlcpy(filename, ErrorLog, len);
+ else if (!strncmp(con->uri + 11, "page_log", 8) && PageLog[0] == '/')
+ strlcpy(filename, PageLog, len);
+ else
+ return (NULL);
+ }
+ else if (con->language)
+ {
+ snprintf(language, sizeof(language), "/%s", con->language->language);
+ snprintf(filename, len, "%s%s%s", DocumentRoot, language, con->uri);
+ }
+ else
+ snprintf(filename, len, "%s%s", DocumentRoot, con->uri);
+
+ if ((ptr = strchr(filename, '?')) != NULL)
+ *ptr = '\0';
+
+ /*
+ * Grab the status for this language; if there isn't a language-specific file
+ * then fallback to the default one...
+ */
+
+ if ((status = stat(filename, filestats)) != 0 && language[0] &&
+ strncmp(con->uri, "/icons/", 7) &&
+ strncmp(con->uri, "/ppd/", 5) &&
+ strncmp(con->uri, "/rss/", 5) &&
+ strncmp(con->uri, "/admin/conf/", 12) &&
+ strncmp(con->uri, "/admin/log/", 11))
+ {
+ /*
+ * Drop the country code...
+ */
+
+ language[3] = '\0';
+ snprintf(filename, len, "%s%s%s", DocumentRoot, language, con->uri);
+
+ if ((ptr = strchr(filename, '?')) != NULL)
+ *ptr = '\0';
+
+ if ((status = stat(filename, filestats)) != 0)
+ {
+ /*
+ * Drop the language prefix and try the root directory...
+ */
+
+ language[0] = '\0';
+ snprintf(filename, len, "%s%s", DocumentRoot, con->uri);
+
+ if ((ptr = strchr(filename, '?')) != NULL)
+ *ptr = '\0';
+
+ status = stat(filename, filestats);
+ }
+ }
+
+ /*
+ * If we're found a directory, get the index.html file instead...
+ */
+
+ if (!status && S_ISDIR(filestats->st_mode))
+ {
+ /*
+ * Make sure the URI ends with a slash...
+ */
+
+ if (con->uri[strlen(con->uri) - 1] != '/')
+ strlcat(con->uri, "/", sizeof(con->uri));
+
+ /*
+ * Find the directory index file, trying every language...
+ */
+
+ do
+ {
+ if (status && language[0])
+ {
+ /*
+ * Try a different language subset...
+ */
+
+ if (language[3])
+ language[0] = '\0'; /* Strip country code */
+ else
+ language[0] = '\0'; /* Strip language */
+ }
+
+ /*
+ * Look for the index file...
+ */
+
+ snprintf(filename, len, "%s%s%s", DocumentRoot, language, con->uri);
+
+ if ((ptr = strchr(filename, '?')) != NULL)
+ *ptr = '\0';
+
+ ptr = filename + strlen(filename);
+ plen = len - (ptr - filename);
+
+ strlcpy(ptr, "index.html", plen);
+ status = stat(filename, filestats);
+
+#ifdef HAVE_JAVA
+ if (status)
+ {
+ strlcpy(ptr, "index.class", plen);
+ status = stat(filename, filestats);
+ }
+#endif /* HAVE_JAVA */
+
+#ifdef HAVE_PERL
+ if (status)
+ {
+ strlcpy(ptr, "index.pl", plen);
+ status = stat(filename, filestats);
+ }
+#endif /* HAVE_PERL */
+
+#ifdef HAVE_PHP
+ if (status)
+ {
+ strlcpy(ptr, "index.php", plen);
+ status = stat(filename, filestats);
+ }
+#endif /* HAVE_PHP */
+
+#ifdef HAVE_PYTHON
+ if (status)
+ {
+ strlcpy(ptr, "index.pyc", plen);
+ status = stat(filename, filestats);
+ }
+
+ if (status)
+ {
+ strlcpy(ptr, "index.py", plen);
+ status = stat(filename, filestats);
+ }
+#endif /* HAVE_PYTHON */
+
+ }
+ while (status && language[0]);
+ }
+
+ cupsdLogMessage(CUPSD_LOG_DEBUG2,
+ "get_file(con=%p(%d), filestats=%p, filename=%p, len=%d) = "
+ "%s", con, con->http.fd, filestats, filename, len,
+ status ? "(null)" : filename);
+
+ if (status)
+ return (NULL);
+ else
+ return (filename);
+}
+
+
+/*
+ * 'install_conf_file()' - Install a configuration file.
+ */
+
+static http_status_t /* O - Status */
+install_conf_file(cupsd_client_t *con) /* I - Connection */
+{
+ cups_file_t *in, /* Input file */
+ *out; /* Output file */
+ char buffer[1024]; /* Copy buffer */
+ int bytes; /* Number of bytes */
+ char conffile[1024], /* Configuration filename */
+ newfile[1024], /* New config filename */
+ oldfile[1024]; /* Old config filename */
+ struct stat confinfo; /* Config file info */
+
+
+ /*
+ * First construct the filenames...
+ */
+
+ snprintf(conffile, sizeof(conffile), "%s%s", ServerRoot, con->uri + 11);
+ snprintf(newfile, sizeof(newfile), "%s%s.N", ServerRoot, con->uri + 11);
+ snprintf(oldfile, sizeof(oldfile), "%s%s.O", ServerRoot, con->uri + 11);
+
+ cupsdLogMessage(CUPSD_LOG_INFO, "Installing config file \"%s\"...", conffile);
+
+ /*
+ * Get the owner, group, and permissions of the configuration file.
+ * If it doesn't exist, assign it to the User and Group in the
+ * cupsd.conf file with mode 0640 permissions.
+ */
+
+ if (stat(conffile, &confinfo))
+ {
+ confinfo.st_uid = User;
+ confinfo.st_gid = Group;
+ confinfo.st_mode = ConfigFilePerm;
+ }
+
+ /*
+ * Open the request file and new config file...
+ */
+
+ if ((in = cupsFileOpen(con->filename, "rb")) == NULL)
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to open request file \"%s\" - %s",
+ con->filename, strerror(errno));
+ return (HTTP_SERVER_ERROR);
+ }
+
+ if ((out = cupsFileOpen(newfile, "wb")) == NULL)
+ {
+ cupsFileClose(in);
+ cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to open config file \"%s\" - %s",
+ newfile, strerror(errno));
+ return (HTTP_SERVER_ERROR);
+ }
+
+ fchmod(cupsFileNumber(out), confinfo.st_mode);
+ fchown(cupsFileNumber(out), confinfo.st_uid, confinfo.st_gid);
+
+ /*
+ * Copy from the request to the new config file...
+ */
+
+ while ((bytes = cupsFileRead(in, buffer, sizeof(buffer))) > 0)
+ if (cupsFileWrite(out, buffer, bytes) < bytes)
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "Unable to copy to config file \"%s\" - %s",
+ newfile, strerror(errno));
cupsFileClose(in);
cupsFileClose(out);
unlink(newfile);
- return (HTTP_SERVER_ERROR);
- }
+ return (HTTP_SERVER_ERROR);
+ }
+
+ /*
+ * Close the files...
+ */
+
+ cupsFileClose(in);
+ if (cupsFileClose(out))
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "Error file closing config file \"%s\" - %s",
+ newfile, strerror(errno));
+
+ unlink(newfile);
+
+ return (HTTP_SERVER_ERROR);
+ }
+
+ /*
+ * Remove the request file...
+ */
+
+ unlink(con->filename);
+ cupsdClearString(&con->filename);
+
+ /*
+ * Unlink the old backup, rename the current config file to the backup
+ * filename, and rename the new config file to the config file name...
+ */
+
+ if (unlink(oldfile))
+ if (errno != ENOENT)
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "Unable to remove backup config file \"%s\" - %s",
+ oldfile, strerror(errno));
+
+ unlink(newfile);
+
+ return (HTTP_SERVER_ERROR);
+ }
+
+ if (rename(conffile, oldfile))
+ if (errno != ENOENT)
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "Unable to rename old config file \"%s\" - %s",
+ conffile, strerror(errno));
+
+ unlink(newfile);
+
+ return (HTTP_SERVER_ERROR);
+ }
+
+ if (rename(newfile, conffile))
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "Unable to rename new config file \"%s\" - %s",
+ newfile, strerror(errno));
+
+ rename(oldfile, conffile);
+ unlink(newfile);
+
+ return (HTTP_SERVER_ERROR);
+ }
+
+ /*
+ * If the cupsd.conf file was updated, set the NeedReload flag...
+ */
+
+ if (!strcmp(con->uri, "/admin/conf/cupsd.conf"))
+ NeedReload = RELOAD_CUPSD;
+ else
+ NeedReload = RELOAD_ALL;
+
+ ReloadTime = time(NULL);
+
+ /*
+ * Return that the file was created successfully...
+ */
+
+ return (HTTP_CREATED);
+}
+
+
+/*
+ * 'is_cgi()' - Is the resource a CGI script/program?
+ */
+
+static int /* O - 1 = CGI, 0 = file */
+is_cgi(cupsd_client_t *con, /* I - Client connection */
+ const char *filename, /* I - Real filename */
+ struct stat *filestats, /* I - File information */
+ mime_type_t *type) /* I - MIME type */
+{
+ const char *options; /* Options on URL */
+
+
+ /*
+ * Get the options, if any...
+ */
+
+ if ((options = strchr(con->uri, '?')) != NULL)
+ {
+ options ++;
+ cupsdSetStringf(&(con->query_string), "QUERY_STRING=%s", options);
+ }
+
+ /*
+ * Check for known types...
+ */
+
+ if (!type || strcasecmp(type->super, "application"))
+ {
+ cupsdLogMessage(CUPSD_LOG_DEBUG2,
+ "is_cgi(con=%p(%d), filename=\"%s\", filestats=%p, "
+ "type=%s/%s) = 0", con, con->http.fd, filename, filestats,
+ type ? type->super : "unknown",
+ type ? type->type : "unknown");
+ return (0);
+ }
+
+ if (!strcasecmp(type->type, "x-httpd-cgi") &&
+ (filestats->st_mode & 0111))
+ {
+ /*
+ * "application/x-httpd-cgi" is a CGI script.
+ */
+
+ cupsdSetString(&con->command, filename);
+
+ if (options)
+ cupsdSetStringf(&con->options, " %s", options);
+
+ cupsdLogMessage(CUPSD_LOG_DEBUG2,
+ "is_cgi(con=%p(%d), filename=\"%s\", filestats=%p, "
+ "type=%s/%s) = 1", con, con->http.fd, filename, filestats,
+ type ? type->super : "unknown",
+ type ? type->type : "unknown");
+ return (1);
+ }
+#ifdef HAVE_JAVA
+ else if (!strcasecmp(type->type, "x-httpd-java"))
+ {
+ /*
+ * "application/x-httpd-java" is a Java servlet.
+ */
+
+ cupsdSetString(&con->command, CUPS_JAVA);
+
+ if (options)
+ cupsdSetStringf(&con->options, " %s %s", filename, options);
+ else
+ cupsdSetStringf(&con->options, " %s", filename);
+
+ cupsdLogMessage(CUPSD_LOG_DEBUG2,
+ "is_cgi(con=%p(%d), filename=\"%s\", filestats=%p, "
+ "type=%s/%s) = 1", con, con->http.fd, filename, filestats,
+ type ? type->super : "unknown",
+ type ? type->type : "unknown");
+ return (1);
+ }
+#endif /* HAVE_JAVA */
+#ifdef HAVE_PERL
+ else if (!strcasecmp(type->type, "x-httpd-perl"))
+ {
+ /*
+ * "application/x-httpd-perl" is a Perl page.
+ */
+
+ cupsdSetString(&con->command, CUPS_PERL);
+
+ if (options)
+ cupsdSetStringf(&con->options, " %s %s", filename, options);
+ else
+ cupsdSetStringf(&con->options, " %s", filename);
+
+ cupsdLogMessage(CUPSD_LOG_DEBUG2,
+ "is_cgi(con=%p(%d), filename=\"%s\", filestats=%p, "
+ "type=%s/%s) = 1", con, con->http.fd, filename, filestats,
+ type ? type->super : "unknown",
+ type ? type->type : "unknown");
+ return (1);
+ }
+#endif /* HAVE_PERL */
+#ifdef HAVE_PHP
+ else if (!strcasecmp(type->type, "x-httpd-php"))
+ {
+ /*
+ * "application/x-httpd-php" is a PHP page.
+ */
+
+ cupsdSetString(&con->command, CUPS_PHP);
+
+ if (options)
+ cupsdSetStringf(&con->options, " %s %s", filename, options);
+ else
+ cupsdSetStringf(&con->options, " %s", filename);
+
+ cupsdLogMessage(CUPSD_LOG_DEBUG2,
+ "is_cgi(con=%p(%d), filename=\"%s\", filestats=%p, "
+ "type=%s/%s) = 1", con, con->http.fd, filename, filestats,
+ type ? type->super : "unknown",
+ type ? type->type : "unknown");
+ return (1);
+ }
+#endif /* HAVE_PHP */
+#ifdef HAVE_PYTHON
+ else if (!strcasecmp(type->type, "x-httpd-python"))
+ {
+ /*
+ * "application/x-httpd-python" is a Python page.
+ */
+
+ cupsdSetString(&con->command, CUPS_PYTHON);
+
+ if (options)
+ cupsdSetStringf(&con->options, " %s %s", filename, options);
+ else
+ cupsdSetStringf(&con->options, " %s", filename);
+
+ cupsdLogMessage(CUPSD_LOG_DEBUG2,
+ "is_cgi(con=%p(%d), filename=\"%s\", filestats=%p, "
+ "type=%s/%s) = 1", con, con->http.fd, filename, filestats,
+ type ? type->super : "unknown",
+ type ? type->type : "unknown");
+ return (1);
+ }
+#endif /* HAVE_PYTHON */
+
+ cupsdLogMessage(CUPSD_LOG_DEBUG2,
+ "is_cgi(con=%p(%d), filename=\"%s\", filestats=%p, "
+ "type=%s/%s) = 0", con, con->http.fd, filename, filestats,
+ type ? type->super : "unknown",
+ type ? type->type : "unknown");
+ return (0);
+}
+
+/*
+ * 'is_path_absolute()' - Is a path absolute and free of relative elements (i.e. "..").
+ */
+
+static int /* O - 0 if relative, 1 if absolute */
+is_path_absolute(const char *path) /* I - Input path */
+{
/*
- * Close the files...
+ * Check for a leading slash...
*/
- cupsFileClose(in);
- if (cupsFileClose(out))
- {
- cupsdLogMessage(CUPSD_LOG_ERROR,
- "Error file closing config file \"%s\" - %s",
- newfile, strerror(errno));
+ if (path[0] != '/')
+ return (0);
- unlink(newfile);
+ /*
+ * Check for "/.." in the path...
+ */
- return (HTTP_SERVER_ERROR);
+ while ((path = strstr(path, "/..")) != NULL)
+ {
+ if (!path[3] || path[3] == '/')
+ return (0);
+
+ path ++;
}
/*
- * Remove the request file...
+ * If we haven't found any relative paths, return 1 indicating an
+ * absolute path...
*/
- unlink(con->filename);
- cupsdClearString(&con->filename);
+ return (1);
+}
+
+
+#ifdef HAVE_SSL
+/*
+ * 'make_certificate()' - Make a self-signed SSL/TLS certificate.
+ */
+
+static int /* O - 1 on success, 0 on failure */
+make_certificate(cupsd_client_t *con) /* I - Client connection */
+{
+#if defined(HAVE_LIBSSL) && defined(HAVE_WAITPID)
+ int pid, /* Process ID of command */
+ status; /* Status of command */
+ char command[1024], /* Command */
+ *argv[12], /* Command-line arguments */
+ *envp[MAX_ENV + 1], /* Environment variables */
+ infofile[1024], /* Type-in information for cert */
+ seedfile[1024]; /* Random number seed file */
+ int envc, /* Number of environment variables */
+ bytes; /* Bytes written */
+ cups_file_t *fp; /* Seed/info file */
+ int infofd; /* Info file descriptor */
+
/*
- * Unlink the old backup, rename the current config file to the backup
- * filename, and rename the new config file to the config file name...
+ * Run the "openssl" command to seed the random number generator and
+ * generate a self-signed certificate that is good for 10 years:
+ *
+ * openssl rand -rand seedfile 1
+ *
+ * openssl req -new -x509 -keyout ServerKey \
+ * -out ServerCertificate -days 3650 -nodes
+ *
+ * The seeding step is crucial in ensuring that the openssl command
+ * does not block on systems without sufficient entropy...
*/
- if (unlink(oldfile))
- if (errno != ENOENT)
- {
- cupsdLogMessage(CUPSD_LOG_ERROR,
- "Unable to remove backup config file \"%s\" - %s",
- oldfile, strerror(errno));
+ if (!cupsFileFind("openssl", getenv("PATH"), 1, command, sizeof(command)))
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "No SSL certificate and openssl command not found!");
+ return (0);
+ }
- unlink(newfile);
+ if (access("/dev/urandom", 0))
+ {
+ /*
+ * If the system doesn't provide /dev/urandom, then any random source
+ * will probably be blocking-style, so generate some random data to
+ * use as a seed for the certificate. Note that we have already
+ * seeded the random number generator in cupsdInitCerts()...
+ */
- return (HTTP_SERVER_ERROR);
+ cupsdLogMessage(CUPSD_LOG_INFO,
+ "Seeding the random number generator...");
+
+ /*
+ * Write the seed file...
+ */
+
+ if ((fp = cupsTempFile2(seedfile, sizeof(seedfile))) == NULL)
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to create seed file %s - %s",
+ seedfile, strerror(errno));
+ return (0);
}
- if (rename(conffile, oldfile))
- if (errno != ENOENT)
+ for (bytes = 0; bytes < 262144; bytes ++)
+ cupsFilePutChar(fp, random());
+
+ cupsFileClose(fp);
+
+ /*
+ * Run the openssl command to seed its random number generator...
+ */
+
+ argv[0] = "openssl";
+ argv[1] = "rand";
+ argv[2] = "-rand";
+ argv[3] = seedfile;
+ argv[4] = "1";
+ argv[5] = NULL;
+
+ envc = cupsdLoadEnv(envp, MAX_ENV);
+ envp[envc] = NULL;
+
+ if (!cupsdStartProcess(command, argv, envp, -1, -1, -1, -1, -1, 1, NULL,
+ NULL, &pid))
{
- cupsdLogMessage(CUPSD_LOG_ERROR,
- "Unable to rename old config file \"%s\" - %s",
- conffile, strerror(errno));
+ unlink(seedfile);
+ return (0);
+ }
- unlink(newfile);
+ while (waitpid(pid, &status, 0) < 0)
+ if (errno != EINTR)
+ {
+ status = 1;
+ break;
+ }
- return (HTTP_SERVER_ERROR);
+ cupsdFinishProcess(pid, command, sizeof(command), NULL);
+
+ /*
+ * Remove the seed file, as it is no longer needed...
+ */
+
+ unlink(seedfile);
+
+ if (status)
+ {
+ if (WIFEXITED(status))
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "Unable to seed random number generator - "
+ "the openssl command stopped with status %d!",
+ WEXITSTATUS(status));
+ else
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "Unable to seed random number generator - "
+ "the openssl command crashed on signal %d!",
+ WTERMSIG(status));
+
+ return (0);
}
+ }
- if (rename(newfile, conffile))
+ /*
+ * Create a file with the certificate information fields...
+ *
+ * Note: This assumes that the default questions are asked by the openssl
+ * command...
+ */
+
+ if ((fp = cupsTempFile2(infofile, sizeof(infofile))) == NULL)
{
cupsdLogMessage(CUPSD_LOG_ERROR,
- "Unable to rename new config file \"%s\" - %s",
- newfile, strerror(errno));
+ "Unable to create certificate information file %s - %s",
+ infofile, strerror(errno));
+ return (0);
+ }
- rename(oldfile, conffile);
- unlink(newfile);
+ cupsFilePrintf(fp, ".\n.\n.\n%s\n.\n%s\n%s\n",
+ ServerName, ServerName, ServerAdmin);
+ cupsFileClose(fp);
- return (HTTP_SERVER_ERROR);
+ cupsdLogMessage(CUPSD_LOG_INFO,
+ "Generating SSL server key and certificate...");
+
+ argv[0] = "openssl";
+ argv[1] = "req";
+ argv[2] = "-new";
+ argv[3] = "-x509";
+ argv[4] = "-keyout";
+ argv[5] = ServerKey;
+ argv[6] = "-out";
+ argv[7] = ServerCertificate;
+ argv[8] = "-days";
+ argv[9] = "3650";
+ argv[10] = "-nodes";
+ argv[11] = NULL;
+
+ cupsdLoadEnv(envp, MAX_ENV);
+
+ infofd = open(infofile, O_RDONLY);
+
+ if (!cupsdStartProcess(command, argv, envp, infofd, -1, -1, -1, -1, 1, NULL,
+ NULL, &pid))
+ {
+ close(infofd);
+ unlink(infofile);
+ return (0);
}
+ close(infofd);
+ unlink(infofile);
+
+ while (waitpid(pid, &status, 0) < 0)
+ if (errno != EINTR)
+ {
+ status = 1;
+ break;
+ }
+
+ cupsdFinishProcess(pid, command, sizeof(command), NULL);
+
+ if (status)
+ {
+ if (WIFEXITED(status))
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "Unable to create SSL server key and certificate - "
+ "the openssl command stopped with status %d!",
+ WEXITSTATUS(status));
+ else
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "Unable to create SSL server key and certificate - "
+ "the openssl command crashed on signal %d!",
+ WTERMSIG(status));
+ }
+ else
+ {
+ cupsdLogMessage(CUPSD_LOG_INFO, "Created SSL server key file \"%s\"...",
+ ServerKey);
+ cupsdLogMessage(CUPSD_LOG_INFO,
+ "Created SSL server certificate file \"%s\"...",
+ ServerCertificate);
+ }
+
+ return (!status);
+
+#elif defined(HAVE_GNUTLS)
+ gnutls_x509_crt crt; /* Self-signed certificate */
+ gnutls_x509_privkey key; /* Encryption key */
+ cups_lang_t *language; /* Default language info */
+ cups_file_t *fp; /* Key/cert file */
+ unsigned char buffer[8192]; /* Buffer for x509 data */
+ size_t bytes; /* Number of bytes of data */
+ unsigned char serial[4]; /* Serial number buffer */
+ time_t curtime; /* Current time */
+ int result; /* Result of GNU TLS calls */
+
+
/*
- * If the cupsd.conf file was updated, set the NeedReload flag...
+ * Create the encryption key...
*/
- if (!strcmp(con->uri, "/admin/conf/cupsd.conf"))
- NeedReload = RELOAD_CUPSD;
+ cupsdLogMessage(CUPSD_LOG_INFO, "Generating SSL server key...");
+
+ gnutls_x509_privkey_init(&key);
+ gnutls_x509_privkey_generate(key, GNUTLS_PK_RSA, 2048, 0);
+
+ /*
+ * Save it...
+ */
+
+ bytes = sizeof(buffer);
+
+ if ((result = gnutls_x509_privkey_export(key, GNUTLS_X509_FMT_PEM,
+ buffer, &bytes)) < 0)
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to export SSL server key - %s",
+ gnutls_strerror(result));
+ gnutls_x509_privkey_deinit(key);
+ return (0);
+ }
+ else if ((fp = cupsFileOpen(ServerKey, "w")) != NULL)
+ {
+ cupsFileWrite(fp, (char *)buffer, bytes);
+ cupsFileClose(fp);
+
+ cupsdLogMessage(CUPSD_LOG_INFO, "Created SSL server key file \"%s\"...",
+ ServerKey);
+ }
else
- NeedReload = RELOAD_ALL;
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "Unable to create SSL server key file \"%s\" - %s",
+ ServerKey, strerror(errno));
+ gnutls_x509_privkey_deinit(key);
+ return (0);
+ }
- ReloadTime = time(NULL);
+ /*
+ * Create the self-signed certificate...
+ */
+
+ cupsdLogMessage(CUPSD_LOG_INFO, "Generating self-signed SSL certificate...");
+
+ language = cupsLangDefault();
+ curtime = time(NULL);
+ serial[0] = curtime >> 24;
+ serial[1] = curtime >> 16;
+ serial[2] = curtime >> 8;
+ serial[3] = curtime;
+
+ gnutls_x509_crt_init(&crt);
+ if (strlen(language->language) == 5)
+ gnutls_x509_crt_set_dn_by_oid(crt, GNUTLS_OID_X520_COUNTRY_NAME, 0,
+ language->language + 3, 2);
+ else
+ gnutls_x509_crt_set_dn_by_oid(crt, GNUTLS_OID_X520_COUNTRY_NAME, 0,
+ "US", 2);
+ gnutls_x509_crt_set_dn_by_oid(crt, GNUTLS_OID_X520_COMMON_NAME, 0,
+ ServerName, strlen(ServerName));
+ gnutls_x509_crt_set_dn_by_oid(crt, GNUTLS_OID_X520_ORGANIZATION_NAME, 0,
+ ServerName, strlen(ServerName));
+ gnutls_x509_crt_set_dn_by_oid(crt, GNUTLS_OID_X520_ORGANIZATIONAL_UNIT_NAME,
+ 0, "Unknown", 7);
+ gnutls_x509_crt_set_dn_by_oid(crt, GNUTLS_OID_X520_STATE_OR_PROVINCE_NAME, 0,
+ "Unknown", 7);
+ gnutls_x509_crt_set_dn_by_oid(crt, GNUTLS_OID_X520_LOCALITY_NAME, 0,
+ "Unknown", 7);
+ gnutls_x509_crt_set_dn_by_oid(crt, GNUTLS_OID_PKCS9_EMAIL, 0,
+ ServerAdmin, strlen(ServerAdmin));
+ gnutls_x509_crt_set_key(crt, key);
+ gnutls_x509_crt_set_serial(crt, serial, sizeof(serial));
+ gnutls_x509_crt_set_activation_time(crt, curtime);
+ gnutls_x509_crt_set_expiration_time(crt, curtime + 10 * 365 * 86400);
+ gnutls_x509_crt_set_ca_status(crt, 0);
+ gnutls_x509_crt_set_subject_alternative_name(crt, GNUTLS_SAN_DNSNAME,
+ ServerName);
+ gnutls_x509_crt_set_key_purpose_oid(crt, GNUTLS_KP_TLS_WWW_SERVER, 0);
+ gnutls_x509_crt_set_key_usage(crt, GNUTLS_KEY_KEY_ENCIPHERMENT);
+ gnutls_x509_crt_set_version(crt, 3);
+
+ bytes = sizeof(buffer);
+ if (gnutls_x509_crt_get_key_id(crt, 0, buffer, &bytes) >= 0)
+ gnutls_x509_crt_set_subject_key_id(crt, buffer, bytes);
+
+ gnutls_x509_crt_sign(crt, crt, key);
/*
- * Return that the file was created successfully...
+ * Save it...
*/
- return (HTTP_CREATED);
-}
+ bytes = sizeof(buffer);
+ if ((result = gnutls_x509_crt_export(crt, GNUTLS_X509_FMT_PEM,
+ buffer, &bytes)) < 0)
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "Unable to export SSL server certificate - %s",
+ gnutls_strerror(result));
+ else if ((fp = cupsFileOpen(ServerCertificate, "w")) != NULL)
+ {
+ cupsFileWrite(fp, (char *)buffer, bytes);
+ cupsFileClose(fp);
+ cupsdLogMessage(CUPSD_LOG_INFO,
+ "Created SSL server certificate file \"%s\"...",
+ ServerCertificate);
+ }
+ else
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "Unable to create SSL server certificate file \"%s\" - %s",
+ ServerCertificate, strerror(errno));
-/*
- * 'is_path_absolute()' - Is a path absolute and free of relative elements (i.e. "..").
- */
+ /*
+ * Cleanup...
+ */
-static int /* O - 0 if relative, 1 if absolute */
-is_path_absolute(const char *path) /* I - Input path */
-{
+ gnutls_x509_crt_deinit(crt);
+ gnutls_x509_privkey_deinit(key);
+
+ return (1);
+
+#elif defined(HAVE_CDSASSL) && defined(HAVE_WAITPID)
+ int pid, /* Process ID of command */
+ status; /* Status of command */
+ char command[1024], /* Command */
+ *argv[4], /* Command-line arguments */
+ *envp[MAX_ENV + 1], /* Environment variables */
+ keychain[1024], /* Keychain argument */
+ infofile[1024], /* Type-in information for cert */
+ localname[1024], /* Local hostname */
+ *servername; /* Name of server in cert */
+ cups_file_t *fp; /* Seed/info file */
+ int infofd; /* Info file descriptor */
+
+
+ if (con->servername && isdigit(con->servername[0] & 255) && DNSSDHostName)
+ {
+ snprintf(localname, sizeof(localname), "%s.local", DNSSDHostName);
+ servername = localname;
+ }
+ else
+ servername = con->servername;
+
/*
- * Check for a leading slash...
+ * Run the "certtool" command to generate a self-signed certificate...
*/
- if (path[0] != '/')
+ if (!cupsFileFind("certtool", getenv("PATH"), 1, command, sizeof(command)))
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "No SSL certificate and certtool command not found!");
+ return (0);
+ }
+
+ /*
+ * Create a file with the certificate information fields...
+ *
+ * Note: This assumes that the default questions are asked by the certtool
+ * command...
+ */
+
+ if ((fp = cupsTempFile2(infofile, sizeof(infofile))) == NULL)
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "Unable to create certificate information file %s - %s",
+ infofile, strerror(errno));
+ return (0);
+ }
+
+ cupsFilePrintf(fp, "%s\nr\n\ny\nb\ns\ny\n%s\n\n\n\n\n%s\ny\n",
+ servername, servername, ServerAdmin);
+ cupsFileClose(fp);
+
+ cupsdLogMessage(CUPSD_LOG_INFO,
+ "Generating SSL server key and certificate...");
+
+ snprintf(keychain, sizeof(keychain), "k=%s", ServerCertificate);
+
+ argv[0] = "certtool";
+ argv[1] = "c";
+ argv[2] = keychain;
+ argv[3] = NULL;
+
+ cupsdLoadEnv(envp, MAX_ENV);
+
+ infofd = open(infofile, O_RDONLY);
+
+ if (!cupsdStartProcess(command, argv, envp, infofd, -1, -1, -1, -1, 1, NULL,
+ NULL, &pid))
+ {
+ close(infofd);
+ unlink(infofile);
return (0);
+ }
+
+ close(infofd);
+ unlink(infofile);
+
+ while (waitpid(pid, &status, 0) < 0)
+ if (errno != EINTR)
+ {
+ status = 1;
+ break;
+ }
- /*
- * Check for "/.." in the path...
- */
+ cupsdFinishProcess(pid, command, sizeof(command), NULL);
- while ((path = strstr(path, "/..")) != NULL)
+ if (status)
{
- if (!path[3] || path[3] == '/')
- return (0);
-
- path ++;
+ if (WIFEXITED(status))
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "Unable to create SSL server key and certificate - "
+ "the certtool command stopped with status %d!",
+ WEXITSTATUS(status));
+ else
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "Unable to create SSL server key and certificate - "
+ "the certtool command crashed on signal %d!",
+ WTERMSIG(status));
+ }
+ else
+ {
+ cupsdLogMessage(CUPSD_LOG_INFO,
+ "Created SSL server certificate file \"%s\"...",
+ ServerCertificate);
}
- /*
- * If we haven't found any relative paths, return 1 indicating an
- * absolute path...
- */
+ return (!status);
- return (1);
+#else
+ return (0);
+#endif /* HAVE_LIBSSL && HAVE_WAITPID */
}
+#endif /* HAVE_SSL */
/*
{
int i; /* Looping var */
int pid; /* Process ID */
- char *commptr; /* Command string pointer */
+ char *commptr, /* Command string pointer */
+ commch; /* Command string character */
char *uriptr; /* URI string pointer */
int fds[2]; /* Pipe FDs */
int argc; /* Number of arguments */
int envc; /* Number of environment variables */
char argbuf[10240], /* Argument buffer */
*argv[100], /* Argument strings */
- *envp[100]; /* Environment variables */
- char content_length[1024], /* CONTENT_LENGTH environment variable */
+ *envp[MAX_ENV + 20]; /* Environment variables */
+ char auth_type[256], /* AUTH_TYPE environment variable */
+ content_length[1024], /* CONTENT_LENGTH environment variable */
content_type[1024], /* CONTENT_TYPE environment variable */
http_cookie[32768], /* HTTP_COOKIE environment variable */
+ http_referer[1024], /* HTTP_REFERER environment variable */
http_user_agent[1024], /* HTTP_USER_AGENT environment variable */
lang[1024], /* LANG environment variable */
- *query_string, /* QUERY_STRING env variable */
+ path_info[1024], /* PATH_INFO environment variable */
remote_addr[1024], /* REMOTE_ADDR environment variable */
remote_host[1024], /* REMOTE_HOST environment variable */
remote_user[1024], /* REMOTE_USER environment variable */
+ script_filename[1024], /* SCRIPT_FILENAME environment variable */
script_name[1024], /* SCRIPT_NAME environment variable */
server_name[1024], /* SERVER_NAME environment variable */
server_port[1024]; /* SERVER_PORT environment variable */
+ ipp_attribute_t *attr; /* attributes-natural-language attribute */
+ void *ccache = NULL; /* Kerberos credentials */
/*
* Parse a copy of the options string, which is of the form:
*
- * name argument+argument+argument
- * name?argument+argument+argument
- * name param=value¶m=value
- * name?param=value¶m=value
+ * argument+argument+argument
+ * ?argument+argument+argument
+ * param=value¶m=value
+ * ?param=value¶m=value
+ * /name?argument+argument+argument
+ * /name?param=value¶m=value
*
* If the string contains an "=" character after the initial name,
* then we treat it as a HTTP GET form request and make a copy of
*/
cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "pipe_command: command=\"%s\", options=\"%s\"",
- command, options);
+ "pipe_command(con=%p(%d), infile=%d, outfile=%p, "
+ "command=\"%s\", options=\"%s\", root=%d)",
+ con, con->http.fd, infile, outfile, command,
+ options ? options : "(null)", root);
- strlcpy(argbuf, options, sizeof(argbuf));
+ argv[0] = command;
- argv[0] = argbuf;
- query_string = NULL;
+ if (options)
+ {
+ commptr = options;
+ if (*commptr == ' ')
+ commptr ++;
+ strlcpy(argbuf, commptr, sizeof(argbuf));
+ }
+ else
+ argbuf[0] = '\0';
- for (commptr = argbuf, argc = 1; *commptr != '\0' && argc < 99; commptr ++)
+ if (argbuf[0] == '/')
{
/*
- * Break arguments whenever we see a + or space...
+ * Found some trailing path information, set PATH_INFO...
*/
- if (*commptr == ' ' || *commptr == '+' || (*commptr == '?' && argc == 1))
- {
- /*
- * Terminate the current string and skip trailing whitespace...
- */
+ if ((commptr = strchr(argbuf, '?')) == NULL)
+ commptr = argbuf + strlen(argbuf);
+
+ commch = *commptr;
+ *commptr = '\0';
+ snprintf(path_info, sizeof(path_info), "PATH_INFO=%s", argbuf);
+ *commptr = commch;
+ }
+ else
+ {
+ commptr = argbuf;
+ path_info[0] = '\0';
- *commptr++ = '\0';
+ if (*commptr == ' ')
+ commptr ++;
+ }
- while (*commptr == ' ')
- commptr ++;
+ if (*commptr == '?' && con->operation == HTTP_GET && !con->query_string)
+ {
+ commptr ++;
+ cupsdSetStringf(&(con->query_string), "QUERY_STRING=%s", commptr);
+ }
- /*
- * If we don't have a blank string, save it as another argument...
- */
+ argc = 1;
- if (*commptr)
- {
- argv[argc] = commptr;
- argc ++;
- }
- else
- break;
+ if (*commptr)
+ {
+ argv[argc ++] = commptr;
+ for (; *commptr && argc < 99; commptr ++)
+ {
/*
- * If we see an "=" in the remaining string, make a copy of it since
- * it will be query data...
+ * Break arguments whenever we see a + or space...
*/
- if (argc == 2 && strchr(commptr, '=') && con->operation == HTTP_GET)
- cupsdSetStringf(&query_string, "QUERY_STRING=%s", commptr);
+ if (*commptr == ' ' || *commptr == '+')
+ {
+ while (*commptr == ' ' || *commptr == '+')
+ *commptr++ = '\0';
- /*
- * Don't skip the first non-blank character...
- */
+ /*
+ * If we don't have a blank string, save it as another argument...
+ */
- commptr --;
- }
- else if (*commptr == '%' && isxdigit(commptr[1] & 255) &&
- isxdigit(commptr[2] & 255))
- {
- /*
- * Convert the %xx notation to the individual character.
- */
+ if (*commptr)
+ {
+ argv[argc] = commptr;
+ argc ++;
+ }
+ else
+ break;
+ }
+ else if (*commptr == '%' && isxdigit(commptr[1] & 255) &&
+ isxdigit(commptr[2] & 255))
+ {
+ /*
+ * Convert the %xx notation to the individual character.
+ */
- if (commptr[1] >= '0' && commptr[1] <= '9')
- *commptr = (commptr[1] - '0') << 4;
- else
- *commptr = (tolower(commptr[1]) - 'a' + 10) << 4;
+ if (commptr[1] >= '0' && commptr[1] <= '9')
+ *commptr = (commptr[1] - '0') << 4;
+ else
+ *commptr = (tolower(commptr[1]) - 'a' + 10) << 4;
- if (commptr[2] >= '0' && commptr[2] <= '9')
- *commptr |= commptr[2] - '0';
- else
- *commptr |= tolower(commptr[2]) - 'a' + 10;
+ if (commptr[2] >= '0' && commptr[2] <= '9')
+ *commptr |= commptr[2] - '0';
+ else
+ *commptr |= tolower(commptr[2]) - 'a' + 10;
- _cups_strcpy(commptr + 1, commptr + 3);
+ _cups_strcpy(commptr + 1, commptr + 3);
- /*
- * Check for a %00 and break if that is the case...
- */
+ /*
+ * Check for a %00 and break if that is the case...
+ */
- if (!*commptr)
- break;
+ if (!*commptr)
+ break;
+ }
}
}
argv[argc] = NULL;
- if (argv[0][0] == '\0')
- argv[0] = strrchr(command, '/') + 1;
-
/*
* Setup the environment variables as needed...
*/
- if (con->language)
- snprintf(lang, sizeof(lang), "LANG=%s.UTF-8", con->language->language);
+ if (con->username[0])
+ {
+ snprintf(auth_type, sizeof(auth_type), "AUTH_TYPE=%s",
+ httpGetField(HTTP(con), HTTP_FIELD_AUTHORIZATION));
+
+ if ((uriptr = strchr(auth_type + 10, ' ')) != NULL)
+ *uriptr = '\0';
+ }
+ else
+ auth_type[0] = '\0';
+
+ if (con->request &&
+ (attr = ippFindAttribute(con->request, "attributes-natural-language",
+ IPP_TAG_LANGUAGE)) != NULL)
+ {
+ switch (strlen(attr->values[0].string.text))
+ {
+ default :
+ /*
+ * This is an unknown or badly formatted language code; use
+ * the POSIX locale...
+ */
+
+ strcpy(lang, "LANG=C");
+ break;
+
+ case 2 :
+ /*
+ * Just the language code (ll)...
+ */
+
+ snprintf(lang, sizeof(lang), "LANG=%s.UTF8",
+ attr->values[0].string.text);
+ break;
+
+ case 5 :
+ /*
+ * Language and country code (ll-cc)...
+ */
+
+ snprintf(lang, sizeof(lang), "LANG=%c%c_%c%c.UTF8",
+ attr->values[0].string.text[0],
+ attr->values[0].string.text[1],
+ toupper(attr->values[0].string.text[3] & 255),
+ toupper(attr->values[0].string.text[4] & 255));
+ break;
+ }
+ }
+ else if (con->language)
+ snprintf(lang, sizeof(lang), "LANG=%s.UTF8", con->language->language);
else
strcpy(lang, "LANG=C");
if ((uriptr = strchr(script_name, '?')) != NULL)
*uriptr = '\0';
+ snprintf(script_filename, sizeof(script_filename), "SCRIPT_FILENAME=%s%s",
+ DocumentRoot, script_name + 12);
+
sprintf(server_port, "SERVER_PORT=%d", con->serverport);
snprintf(server_name, sizeof(server_name), "SERVER_NAME=%s",
envc = cupsdLoadEnv(envp, (int)(sizeof(envp) / sizeof(envp[0])));
+ if (auth_type[0])
+ envp[envc ++] = auth_type;
+
envp[envc ++] = lang;
envp[envc ++] = "REDIRECT_STATUS=1";
+ envp[envc ++] = "GATEWAY_INTERFACE=CGI/1.1";
envp[envc ++] = server_name;
envp[envc ++] = server_port;
envp[envc ++] = remote_addr;
envp[envc ++] = remote_host;
envp[envc ++] = script_name;
+ envp[envc ++] = script_filename;
+
+ if (path_info[0])
+ envp[envc ++] = path_info;
if (con->username[0])
{
snprintf(remote_user, sizeof(remote_user), "REMOTE_USER=%s", con->username);
envp[envc ++] = remote_user;
+
+ /*
+ * Save Kerberos credentials, if any...
+ */
+
+#ifdef HAVE_GSSAPI
+ if (con->gss_creds)
+ ccache = cupsdCopyKrb5Creds(con);
+#endif /* HAVE_GSSAPI */
}
if (con->http.version == HTTP_1_1)
envp[envc ++] = http_user_agent;
}
- if (con->operation == HTTP_GET)
+ if (con->http.fields[HTTP_FIELD_REFERER][0])
{
- for (i = 0; i < argc; i ++)
- cupsdLogMessage(CUPSD_LOG_DEBUG2, "argv[%d] = \"%s\"", i, argv[i]);
+ snprintf(http_referer, sizeof(http_referer), "HTTP_REFERER=%s",
+ con->http.fields[HTTP_FIELD_REFERER]);
+ envp[envc ++] = http_referer;
+ }
+ if (con->operation == HTTP_GET)
+ {
envp[envc ++] = "REQUEST_METHOD=GET";
- if (query_string)
+ if (con->query_string)
{
/*
* Add GET form variables after ?...
*/
- envp[envc ++] = query_string;
+ envp[envc ++] = con->query_string;
}
+ else
+ envp[envc ++] = "QUERY_STRING=";
}
else
{
- sprintf(content_length, "CONTENT_LENGTH=" CUPS_LLFMT, con->bytes);
+ sprintf(content_length, "CONTENT_LENGTH=" CUPS_LLFMT,
+ CUPS_LLCAST con->bytes);
snprintf(content_type, sizeof(content_type), "CONTENT_TYPE=%s",
con->http.fields[HTTP_FIELD_CONTENT_TYPE]);
* Tell the CGI if we are using encryption...
*/
- if (con->http.encryption == HTTP_ENCRYPT_ALWAYS)
+ if (con->http.tls)
envp[envc ++] = "HTTPS=ON";
/*
envp[envc] = NULL;
- if (LogLevel == CUPSD_LOG_DEBUG2)
+ if (LogLevel >= CUPSD_LOG_DEBUG)
{
for (i = 0; i < argc; i ++)
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "pipe_command: argv[%d] = \"%s\"", i, argv[i]);
+ cupsdLogMessage(CUPSD_LOG_DEBUG,
+ "[CGI] argv[%d] = \"%s\"", i, argv[i]);
for (i = 0; i < envc; i ++)
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "pipe_command: envp[%d] = \"%s\"", i, envp[i]);
+ cupsdLogMessage(CUPSD_LOG_DEBUG,
+ "[CGI] envp[%d] = \"%s\"", i, envp[i]);
}
/*
if (cupsdOpenPipe(fds))
{
- cupsdClearString(&query_string);
-
- cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to create pipes for CGI %s - %s",
+ cupsdLogMessage(CUPSD_LOG_ERROR, "[CGI] Unable to create pipe for %s - %s",
argv[0], strerror(errno));
return (0);
}
*/
if (cupsdStartProcess(command, argv, envp, infile, fds[1], CGIPipes[1],
- -1, root, &pid) < 0)
+ -1, -1, root, DefaultProfile, NULL, &pid) < 0)
{
/*
* Error - can't fork!
*/
- cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to fork for CGI %s - %s", argv[0],
+ cupsdLogMessage(CUPSD_LOG_ERROR, "[CGI] Unable to start %s - %s", argv[0],
strerror(errno));
cupsdClosePipe(fds);
*/
if (con->username[0])
- cupsdAddCert(pid, con->username);
+ cupsdAddCert(pid, con->username, ccache);
- cupsdLogMessage(CUPSD_LOG_DEBUG, "CGI %s started - PID = %d", command, pid);
+ cupsdLogMessage(CUPSD_LOG_DEBUG, "[CGI] Started %s (PID %d)", command, pid);
*outfile = fds[0];
close(fds[1]);
}
- cupsdClearString(&query_string);
-
return (pid);
}
/*
- * End of "$Id: client.c 4912 2006-01-10 21:43:56Z mike $".
+ * 'valid_host()' - Is the Host: field valid?
+ */
+
+static int /* O - 1 if valid, 0 if not */
+valid_host(cupsd_client_t *con) /* I - Client connection */
+{
+ cupsd_alias_t *a; /* Current alias */
+ cupsd_netif_t *netif; /* Current network interface */
+ const char *host, /* Host field */
+ *end; /* End character */
+
+
+ host = con->http.fields[HTTP_FIELD_HOST];
+
+ if (httpAddrLocalhost(con->http.hostaddr))
+ {
+ /*
+ * Only allow "localhost" or the equivalent IPv4 or IPv6 numerical
+ * addresses when accessing CUPS via the loopback interface...
+ */
+
+ return (!strcasecmp(host, "localhost") ||
+ !strncasecmp(host, "localhost:", 10) ||
+ !strcasecmp(host, "localhost.") ||
+ !strncasecmp(host, "localhost.:", 11) ||
+#ifdef __linux
+ !strcasecmp(host, "localhost.localdomain") ||
+ !strncasecmp(host, "localhost.localdomain:", 22) ||
+#endif /* __linux */
+ !strcmp(host, "127.0.0.1") ||
+ !strncmp(host, "127.0.0.1:", 10) ||
+ !strcmp(host, "[::1]") ||
+ !strncmp(host, "[::1]:", 6));
+ }
+
+#ifdef HAVE_DNSSD
+ /*
+ * Check if the hostname is something.local (Bonjour); if so, allow it.
+ */
+
+ if ((end = strrchr(host, '.')) != NULL &&
+ (!strcasecmp(end, ".local") || !strncasecmp(end, ".local:", 7) ||
+ !strcasecmp(end, ".local.") || !strncasecmp(end, ".local.:", 8)))
+ return (1);
+#endif /* HAVE_DNSSD */
+
+ /*
+ * Check if the hostname is an IP address...
+ */
+
+ if (isdigit(*host & 255) || *host == '[')
+ {
+ /*
+ * Possible IPv4/IPv6 address...
+ */
+
+ char temp[1024], /* Temporary string */
+ *ptr; /* Pointer into temporary string */
+ http_addrlist_t *addrlist; /* List of addresses */
+
+
+ strlcpy(temp, host, sizeof(temp));
+ if ((ptr = strrchr(temp, ':')) != NULL && !strchr(ptr, ']'))
+ *ptr = '\0'; /* Strip :port from host value */
+
+ if ((addrlist = httpAddrGetList(temp, AF_UNSPEC, NULL)) != NULL)
+ {
+ /*
+ * Good IPv4/IPv6 address...
+ */
+
+ httpAddrFreeList(addrlist);
+ return (1);
+ }
+ }
+
+ /*
+ * Check for (alias) name matches...
+ */
+
+ for (a = (cupsd_alias_t *)cupsArrayFirst(ServerAlias);
+ a;
+ a = (cupsd_alias_t *)cupsArrayNext(ServerAlias))
+ {
+ /*
+ * "ServerAlias *" allows all host values through...
+ */
+
+ if (!strcmp(a->name, "*"))
+ return (1);
+
+ if (!strncasecmp(host, a->name, a->namelen))
+ {
+ /*
+ * Prefix matches; check the character at the end - it must be ":", ".",
+ * ".:", or nul...
+ */
+
+ end = host + a->namelen;
+
+ if (!*end || *end == ':' || (*end == '.' && (!end[1] || end[1] == ':')))
+ return (1);
+ }
+ }
+
+#ifdef HAVE_DNSSD
+ for (a = (cupsd_alias_t *)cupsArrayFirst(DNSSDAlias);
+ a;
+ a = (cupsd_alias_t *)cupsArrayNext(DNSSDAlias))
+ {
+ /*
+ * "ServerAlias *" allows all host values through...
+ */
+
+ if (!strcmp(a->name, "*"))
+ return (1);
+
+ if (!strncasecmp(host, a->name, a->namelen))
+ {
+ /*
+ * Prefix matches; check the character at the end - it must be ":", ".",
+ * ".:", or nul...
+ */
+
+ end = host + a->namelen;
+
+ if (!*end || *end == ':' || (*end == '.' && (!end[1] || end[1] == ':')))
+ return (1);
+ }
+ }
+#endif /* HAVE_DNSSD */
+
+ /*
+ * Check for interface hostname matches...
+ */
+
+ for (netif = (cupsd_netif_t *)cupsArrayFirst(NetIFList);
+ netif;
+ netif = (cupsd_netif_t *)cupsArrayNext(NetIFList))
+ {
+ if (!strncasecmp(host, netif->hostname, netif->hostlen))
+ {
+ /*
+ * Prefix matches; check the character at the end - it must be ":", ".",
+ * ".:", or nul...
+ */
+
+ end = host + netif->hostlen;
+
+ if (!*end || *end == ':' || (*end == '.' && (!end[1] || end[1] == ':')))
+ return (1);
+ }
+ }
+
+ return (0);
+}
+
+
+/*
+ * 'write_file()' - Send a file via HTTP.
+ */
+
+static int /* O - 0 on failure, 1 on success */
+write_file(cupsd_client_t *con, /* I - Client connection */
+ http_status_t code, /* I - HTTP status */
+ char *filename, /* I - Filename */
+ char *type, /* I - File type */
+ struct stat *filestats) /* O - File information */
+{
+ con->file = open(filename, O_RDONLY);
+
+ cupsdLogMessage(CUPSD_LOG_DEBUG2,
+ "write_file(con=%p(%d), code=%d, filename=\"%s\" (%d), "
+ "type=\"%s\", filestats=%p)", con, con->http.fd,
+ code, filename, con->file, type ? type : "(null)", filestats);
+
+ if (con->file < 0)
+ return (0);
+
+ fcntl(con->file, F_SETFD, fcntl(con->file, F_GETFD) | FD_CLOEXEC);
+
+ con->pipe_pid = 0;
+
+ if (!cupsdSendHeader(con, code, type, CUPSD_AUTH_NONE))
+ return (0);
+
+ if (httpPrintf(HTTP(con), "Last-Modified: %s\r\n",
+ httpGetDateString(filestats->st_mtime)) < 0)
+ return (0);
+ if (httpPrintf(HTTP(con), "Content-Length: " CUPS_LLFMT "\r\n",
+ CUPS_LLCAST filestats->st_size) < 0)
+ return (0);
+ if (httpPrintf(HTTP(con), "\r\n") < 0)
+ return (0);
+
+ if (cupsdFlushHeader(con) < 0)
+ return (0);
+
+ con->http.data_encoding = HTTP_ENCODE_LENGTH;
+ con->http.data_remaining = filestats->st_size;
+
+ if (con->http.data_remaining <= INT_MAX)
+ con->http._data_remaining = con->http.data_remaining;
+ else
+ con->http._data_remaining = INT_MAX;
+
+ cupsdAddSelect(con->http.fd, (cupsd_selfunc_t)cupsdReadClient,
+ (cupsd_selfunc_t)cupsdWriteClient, con);
+
+ return (1);
+}
+
+
+/*
+ * 'write_pipe()' - Flag that data is available on the CGI pipe.
+ */
+
+static void
+write_pipe(cupsd_client_t *con) /* I - Client connection */
+{
+ cupsdLogMessage(CUPSD_LOG_DEBUG2,
+ "write_pipe(con=%p(%d)) CGI output on fd %d",
+ con, con->http.fd, con->file);
+
+ con->file_ready = 1;
+
+ cupsdRemoveSelect(con->file);
+ cupsdAddSelect(con->http.fd, NULL, (cupsd_selfunc_t)cupsdWriteClient, con);
+}
+
+
+/*
+ * End of "$Id: client.c 7950 2008-09-17 00:21:59Z mike $".
*/
projects / thirdparty / cups.git / blobdiff