/*
- * "$Id: client.c 5568 2006-05-22 15:34:01Z 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.
- * 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.
- * encrypt_client() - Enable encryption for the client...
- * 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_cgi() - Is the resource a CGI script/program?
- * is_path_absolute() - Is a path absolute and free of relative elements.
- * make_certificate() - Make a self-signed SSL/TLS certificate.
- * pipe_command() - Pipe the output of a command to the remote client.
- * write_file() - Send a file via HTTP.
+ * 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_GNUTLS
-# include <gnutls/x509.h>
-#endif /* HAVE_GNUTLS */
+#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_GNUTLS
-static void make_certificate(void);
-#endif /* HAVE_GNUTLS */
+#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);
/*
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 Clients = %d",
+ "cupsdAcceptClient(lis=%p(%d)) Clients=%d",
lis, lis->fd, cupsArrayCount(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;
+ }
- con = calloc(1, sizeof(cupsd_client_t));
+ if ((con = calloc(1, sizeof(cupsd_client_t))) == NULL)
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to allocate memory for client!");
+ cupsdPauseListening();
+ return;
+ }
con->http.activity = time(NULL);
con->file = -1;
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;
}
cupsdLogMessage(CUPSD_LOG_WARN,
"Possible DoS attack - more than %d clients connecting "
"from %s!",
- MaxClientsPerHost, tempcon->http.hostname);
+ MaxClientsPerHost,
+ httpAddrString(con->http.hostaddr, con->http.hostname,
+ sizeof(con->http.hostname)));
}
#ifdef WIN32
* 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
* 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
}
}
+#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
cupsArrayAdd(Clients, con);
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdAcceptClient: %d connected to server on %s:%d",
- con->http.fd, con->servername, con->serverport);
-
/*
- * 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);
+ cupsdAddSelect(con->http.fd, (cupsd_selfunc_t)cupsdReadClient, NULL, con);
/*
* Temporarily suspend accept()'s until we lose a client...
con->http.encryption = HTTP_ENCRYPT_ALWAYS;
- encrypt_client(con);
+ if (!encrypt_client(con))
+ cupsdCloseClient(con);
}
else
con->auto_ssl = 1;
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))
- cupsdCloseClient(con);
+ 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 */
gnutls_certificate_server_credentials *credentials;
/* TLS credentials */
# elif defined(HAVE_CDSASSL)
- http_tls_t *conn; /* CDSA connection information */
#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)
- conn = (http_tls_t *)(con->http.tls);
-
- while (SSLClose(conn->session) == errSSLWouldBlock)
+ while (SSLClose(con->http.tls) == errSSLWouldBlock)
usleep(1000);
- SSLDisposeContext(conn->session);
+ SSLDisposeContext(con->http.tls);
- if (conn->certsArray)
- CFRelease(conn->certsArray);
+ if (con->http.tls_credentials)
+ CFRelease(con->http.tls_credentials);
- free(conn);
# 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...
}
+/*
+ * 'cupsdFlushHeader()' - Flush the header fields to the client.
+ */
+
+int /* I - Bytes written or -1 on error */
+cupsdFlushHeader(cupsd_client_t *con) /* I - Client to flush to */
+{
+ int bytes = httpFlushWrite(HTTP(con));
+
+ con->http.data_encoding = HTTP_ENCODE_LENGTH;
+
+ return (bytes);
+}
+
+
/*
* 'cupsdReadClient()' - Read data from a client.
*/
-int /* O - 1 on success, 0 on error */
+void
cupsdReadClient(cupsd_client_t *con) /* I - Client to read from */
{
char line[32768], /* Line from client... */
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));
- }
+ "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);
#ifdef HAVE_SSL
if (con->auto_ssl)
*/
cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdReadClient: Saw first byte %02X, auto-negotiating SSL/TLS session...",
- buf[0] & 255);
+ "cupsdReadClient: Saw first byte %02X, auto-negotiating "
+ "SSL/TLS session...", buf[0] & 255);
- encrypt_client(con);
- return (1);
+ if (!encrypt_client(con))
+ cupsdCloseClient(con);
+
+ return;
}
}
#endif /* HAVE_SSL */
if (httpGets(line, sizeof(line) - 1, HTTP(con)) == NULL)
{
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdReadClient: httpGets returned EOF...");
- return (cupsdCloseClient(con));
+ 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);
+
+ cupsdCloseClient(con);
+ return;
}
/*
cupsdClearString(&con->command);
cupsdClearString(&con->options);
+ cupsdClearString(&con->query_string);
+
+ if (con->request)
+ {
+ ippDelete(con->request);
+ con->request = NULL;
+ }
- if (con->language != NULL)
+ if (con->response)
+ {
+ ippDelete(con->response);
+ con->response = NULL;
+ }
+
+ if (con->language)
{
cupsLangFree(con->language);
con->language = NULL;
}
+#ifdef HAVE_GSSAPI
+ con->have_gss = 0;
+
+ if (con->gss_creds)
+ {
+ OM_uint32 minor_status;
+ gss_release_cred(&minor_status, &con->gss_creds);
+ }
+#endif /* HAVE_GSSAPI */
+
/*
* 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 */
*/
httpSeparateURI(HTTP_URI_CODING_MOST, con->uri,
- method, sizeof(method),
+ 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.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);
-
- cupsdLogMessage(CUPSD_LOG_DEBUG,
- "cupsdReadClient: %d Browser asked for language \"%s\"...",
- con->http.fd, locale);
+ snprintf(locale, sizeof(locale), "%s.UTF-8",
+ con->http.fields[HTTP_FIELD_ACCEPT_LANGUAGE]);
con->language = cupsLangGet(locale);
}
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");
- encrypt_client(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 (!cupsdSendHeader(con, HTTP_OK, NULL))
- return (cupsdCloseClient(con));
+ if (!cupsdSendHeader(con, HTTP_OK, NULL, CUPSD_AUTH_NONE))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
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");
- encrypt_client(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 &&
* Send 100-continue header...
*/
- if (!cupsdSendHeader(con, HTTP_CONTINUE, NULL))
- return (cupsdCloseClient(con));
+ 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))
- return (cupsdCloseClient(con));
+ 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;
+ }
}
}
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...
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;
}
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
{
snprintf(line, sizeof(line), "%s/%s", type->super, type->type);
if (!write_file(con, HTTP_OK, filename, line, &filestats))
- return (cupsdCloseClient(con));
+ {
+ 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)) ||
cupsdSetString(&con->options, NULL);
}
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdReadClient: %d command=\"%s\", "
- "options = \"%s\"",
- con->http.fd, con->command,
- con->options ? 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;
}
* 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;
}
}
-
- 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))
+ else if (!strncmp(con->uri, "/printers/", 10) &&
+ !strcmp(con->uri + strlen(con->uri) - 4, ".png"))
{
/*
- * CGI output...
+ * Send PNG file - get the real printer name since printer
+ * names are not case sensitive but filenames can be...
*/
- if (!cupsdSendHeader(con, HTTP_OK, "text/html"))
- return (cupsdCloseClient(con));
-
- if (httpPrintf(HTTP(con), "\r\n") < 0)
- return (cupsdCloseClient(con));
+ con->uri[strlen(con->uri) - 4] = '\0'; /* Drop ".ppd" */
- cupsdLogRequest(con, HTTP_OK);
+ 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) &&
+ 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))
+ {
+ /*
+ * CGI output...
+ */
+
+ if (!cupsdSendHeader(con, HTTP_OK, "text/html", CUPSD_AUTH_NONE))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+
+ if (httpPrintf(HTTP(con), "\r\n") < 0)
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+
+ if (cupsdFlushHeader(con) < 0)
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+
+ cupsdLogRequest(con, HTTP_OK);
}
else if ((!strncmp(con->uri, "/admin/conf/", 12) &&
(strchr(con->uri + 12, '/') ||
* /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);
}
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 = httpRead2(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));
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "cupsdReadClient: %d IPP Read Error!",
+ con->http.fd);
+
+ 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;
+ }
- break;
- }
- else
- con->bytes += ippLength(con->request);
- }
+ 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);
+ }
+ }
- if (con->file < 0 && con->http.state != HTTP_POST_SEND)
- {
- /*
- * Create a file as needed for the request data...
- */
+ 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);
+ cupsdSetStringf(&con->filename, "%s/%08x", RequestRoot,
+ 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)
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "Unable to create request file %s: %s",
+ con->filename, strerror(errno));
- if (con->file < 0)
- {
- if (!cupsdSendError(con, HTTP_REQUEST_TOO_LARGE))
- return (cupsdCloseClient(con));
- }
+ if (!cupsdSendError(con, HTTP_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+ }
- fchmod(con->file, 0640);
- fchown(con->file, RunUser, Group);
- fcntl(con->file, F_SETFD, fcntl(con->file, F_GETFD) | FD_CLOEXEC);
- }
+ 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)
- return (cupsdCloseClient(con));
- else if (bytes > 0)
+ if (con->http.state != HTTP_POST_SEND)
{
- con->bytes += bytes;
-
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdReadClient: %d writing %d bytes to %d",
- con->http.fd, bytes, con->file);
-
- if (write(con->file, line, bytes) < bytes)
+ if ((bytes = httpRead2(HTTP(con), line, sizeof(line))) < 0)
{
- cupsdLogMessage(CUPSD_LOG_ERROR,
- "cupsdReadClient: Unable to write %d bytes to %s: %s",
- bytes, con->filename, strerror(errno));
-
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdReadClient: Closing file %d...",
- con->file);
+ 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);
- close(con->file);
- con->file = -1;
- unlink(con->filename);
- cupsdClearString(&con->filename);
+ 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
strcasecmp(con->http.hostname, "localhost") &&
!con->http.tls)
{
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdSendError: Encryption before authentication!");
code = HTTP_UPGRADE_REQUIRED;
}
#endif /* HAVE_SSL */
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);
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;
con->servername, con->serverport, con->uri);
snprintf(redirect, sizeof(redirect),
- "<META HTTP-EQUIV=\"Refresh\" CONTENT=\"3;https://%s:%d%s\">\n",
+ "<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,
+ _("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), redirect, 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);
*/
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 */
+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 */
{
+ 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 */
+
+
/*
* Send the HTTP status header...
*/
- 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);
-
if (code == HTTP_CONTINUE)
{
/*
* 100-continue doesn't send any headers...
*/
- if (httpPrintf(HTTP(con), "\r\n") < 0)
- return (0);
- else
- return (1);
+ 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.
+ */
+
+ code = HTTP_OK;
}
+ httpFlushWrite(HTTP(con));
+
+ con->http.data_encoding = HTTP_ENCODE_FIELDS;
+
+ 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);
if (httpPrintf(HTTP(con), "Date: %s\r\n", httpGetDateString(time(NULL))) < 0)
return (0);
if (ServerHeader)
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 (!con->best || con->best->type == AUTH_NONE)
- auth_type = DefaultAuthType;
- else
- auth_type = con->best->type;
-
- if (auth_type != AUTH_DIGEST)
- {
- if (httpPrintf(HTTP(con),
- "WWW-Authenticate: Basic realm=\"CUPS\"\r\n") < 0)
- return (0);
- }
- else
+ if (auth_type == CUPSD_AUTH_NONE)
{
- if (httpPrintf(HTTP(con),
- "WWW-Authenticate: Digest realm=\"CUPS\", nonce=\"%s\"\r\n",
- con->http.hostname) < 0)
- return (0);
+ if (!con->best || con->best->type <= CUPSD_AUTH_NONE)
+ auth_type = DefaultAuthType;
+ else
+ auth_type = con->best->type;
}
- }
- if (con->language && strcmp(con->language->language, "C"))
- {
- if (httpPrintf(HTTP(con), "Content-Language: %s\r\n",
- con->language->language) < 0)
- return (0);
- }
+ auth_str[0] = '\0';
- if (type)
- {
+ 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"))
+ {
+ /*
+ * 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;
+ }
+ }
+ }
+
+ if (auth_str[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 && strcmp(con->language->language, "C"))
+ {
+ if (httpPrintf(HTTP(con), "Content-Language: %s\r\n",
+ con->language->language) < 0)
+ return (0);
+ }
+
+ if (type)
+ {
if (!strcmp(type, "text/html"))
{
if (httpPrintf(HTTP(con),
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...
+ */
- if (con->response != NULL)
+ 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;
+ }
+
+ 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))
+ if (!strncasecmp(con->header, "Location:", 9))
{
- cupsdSendHeader(con, HTTP_SEE_OTHER, NULL);
+ cupsdSendHeader(con, HTTP_SEE_OTHER, NULL, CUPSD_AUTH_NONE);
+ con->sent_header = 2;
+
if (httpPrintf(HTTP(con), "Content-Length: 0\r\n") < 0)
- return (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 if (!strncasecmp(buf, "Status:", 7))
- cupsdSendError(con, atoi(buf + 7));
else
{
- cupsdSendHeader(con, HTTP_OK, NULL);
+ cupsdSendHeader(con, HTTP_OK, NULL, CUPSD_AUTH_NONE);
+ con->sent_header = 1;
if (con->http.version == HTTP_1_1)
{
- con->http.data_encoding = HTTP_ENCODE_CHUNKED;
-
if (httpPrintf(HTTP(con), "Transfer-Encoding: chunked\r\n") < 0)
- return (0);
+ return;
}
}
-
- con->sent_header = 1;
}
- 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);
+ field_col ++;
+ }
- if (bytes > 0 && !con->got_fields)
+ if (!con->got_fields)
{
- /*
- * Remaining text needs to go out...
- */
-
- httpPrintf(HTTP(con), "%s", buf);
-
con->http.activity = time(NULL);
- return (1);
+ return;
}
- else if (bytes == 0)
- con->http.activity = time(NULL);
}
- if (bytes > 0)
+ if (con->header_used > 0)
{
- if (httpWrite2(HTTP(con), buf, bytes) < 0)
+ if (httpWrite2(HTTP(con), con->header, con->header_used) < 0)
{
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdWriteClient: %d Write of %d bytes failed!",
- con->http.fd, bytes);
-
+ cupsdLogMessage(CUPSD_LOG_DEBUG,
+ "cupsdWriteClient: %d Closing for error %d (%s)",
+ con->http.fd, con->http.error,
+ strerror(con->http.error));
cupsdCloseClient(con);
- return (0);
+ return;
}
- con->bytes += bytes;
+ if (con->http.data_encoding == HTTP_ENCODE_CHUNKED)
+ httpFlushWrite(HTTP(con));
+
+ con->bytes += con->header_used;
if (con->http.state == HTTP_WAITING)
bytes = 0;
+ else
+ bytes = con->header_used;
+
+ 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')
{
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));
}
+/*
+ * 'compare_clients()' - Compare two client connections.
+ */
+
+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) */
+{
+ (void)data;
+
+ if (a == b)
+ return (0);
+ else if (a < b)
+ return (-1);
+ else
+ return (1);
+}
+
+
+/*
+ * 'data_ready()' - Check whether data is available from a client.
+ */
+
+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 */
+
+ if (!SSLGetBufferedReadSize(con->http.tls, &bytes) && bytes > 0)
+ return (1);
+# endif /* HAVE_LIBSSL */
+ }
+#endif /* HAVE_SSL */
+
+ return (0);
+}
+
+
#ifdef HAVE_SSL
/*
* 'encrypt_client()' - Enable encryption for the client...
{
# ifdef HAVE_LIBSSL
SSL_CTX *context; /* Context for encryption */
- SSL *conn; /* Connection for encryption */
+ BIO *bio; /* BIO data */
unsigned long error; /* Error code */
+ cupsdLogMessage(CUPSD_LOG_DEBUG2, "encrypt_client(con=%p(%d))", con,
+ con->http.fd);
+
+ /*
+ * Verify that we have a certificate...
+ */
+
+ if (access(ServerKey, 0) || access(ServerCertificate, 0))
+ {
+ /*
+ * Nope, make a self-signed certificate...
+ */
+
+ if (!make_certificate(con))
+ return (0);
+ }
+
/*
* 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 */
+ 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_file(context, ServerCertificate, SSL_FILETYPE_PEM);
+ SSL_CTX_use_certificate_chain_file(context, ServerCertificate);
- conn = SSL_new(context);
+ bio = BIO_new(_httpBIOMethods());
+ BIO_ctrl(bio, BIO_C_SET_FILE_PTR, 0, (char *)HTTP(con));
- SSL_set_fd(conn, con->http.fd);
- if (SSL_accept(conn) != 1)
+ con->http.tls = SSL_new(context);
+ SSL_set_bio(con->http.tls, bio, bio);
+
+ if (SSL_accept(con->http.tls) != 1)
{
- cupsdLogMessage(CUPSD_LOG_ERROR,
- "encrypt_client: Unable to encrypt connection from %s!",
+ cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to encrypt connection from %s!",
con->http.hostname);
while ((error = ERR_get_error()) != 0)
- cupsdLogMessage(CUPSD_LOG_ERROR, "encrypt_client: %s",
- ERR_error_string(error, NULL));
+ cupsdLogMessage(CUPSD_LOG_ERROR, "%s", ERR_error_string(error, NULL));
SSL_CTX_free(context);
- SSL_free(conn);
+ SSL_free(con->http.tls);
+ con->http.tls = NULL;
return (0);
}
- cupsdLogMessage(CUPSD_LOG_DEBUG,
- "encrypt_client: %d Connection from %s now encrypted.",
- con->http.fd, con->http.hostname);
+ cupsdLogMessage(CUPSD_LOG_DEBUG, "Connection from %s now encrypted.",
+ con->http.hostname);
- 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 */
+ cupsdLogMessage(CUPSD_LOG_DEBUG2, "encrypt_client(con=%p(%d))", con,
+ con->http.fd);
+
/*
* Verify that we have a certificate...
*/
* Nope, make a self-signed certificate...
*/
- make_certificate();
+ if (!make_certificate(con))
+ return (0);
}
/*
* Create the SSL object and perform the SSL handshake...
*/
- conn = (http_tls_t *)malloc(sizeof(http_tls_t));
-
- if (conn == NULL)
- return (0);
-
credentials = (gnutls_certificate_server_credentials *)
malloc(sizeof(gnutls_certificate_server_credentials));
if (credentials == NULL)
{
cupsdLogMessage(CUPSD_LOG_ERROR,
- "encrypt_client: Unable to encrypt connection from %s!",
- con->http.hostname);
- cupsdLogMessage(CUPSD_LOG_ERROR, "encrypt_client: %s", strerror(errno));
+ "Unable to encrypt connection from %s - %s",
+ con->http.hostname, strerror(errno));
- free(conn);
return (0);
}
gnutls_certificate_allocate_credentials(credentials);
- gnutls_certificate_set_x509_key_file(*credentials, ServerCertificate,
+ gnutls_certificate_set_x509_key_file(*credentials, ServerCertificate,
ServerKey, GNUTLS_X509_FMT_PEM);
- 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,
- (gnutls_transport_ptr)((long)con->http.fd));
+ 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);
- error = gnutls_handshake(conn->session);
+ error = gnutls_handshake(con->http.tls);
if (error != GNUTLS_E_SUCCESS)
{
cupsdLogMessage(CUPSD_LOG_ERROR,
- "encrypt_client: Unable to encrypt connection from %s!",
- con->http.hostname);
- cupsdLogMessage(CUPSD_LOG_ERROR, "encrypt_client: %s",
- gnutls_strerror(error));
+ "Unable to encrypt connection from %s - %s",
+ con->http.hostname, gnutls_strerror(error));
- gnutls_deinit(conn->session);
+ gnutls_deinit(con->http.tls);
gnutls_certificate_free_credentials(*credentials);
- free(conn);
+ con->http.tls = NULL;
free(credentials);
return (0);
}
- cupsdLogMessage(CUPSD_LOG_DEBUG,
- "encrypt_client: %d Connection from %s now encrypted.",
- con->http.fd, con->http.hostname);
+ cupsdLogMessage(CUPSD_LOG_DEBUG, "Connection from %s now encrypted.",
+ con->http.hostname);
- conn->credentials = credentials;
- con->http.tls = conn;
+ con->http.tls_credentials = credentials;
return (1);
# elif defined(HAVE_CDSASSL)
OSStatus error; /* Error code */
- http_tls_t *conn; /* CDSA connection information */
- cdsa_conn_ref_t u; /* Connection reference union */
- if ((conn = (http_tls_t *)malloc(sizeof(http_tls_t))) == NULL)
- return (0);
+ 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 */
+
- error = 0;
- conn->session = NULL;
- conn->certsArray = get_cdsa_server_certs();
+ cupsdLogMessage(CUPSD_LOG_DEBUG,
+ "get_cdsa_certificate: Looking for certs for \"%s\"...",
+ con->servername);
- if (!conn->certsArray)
+ if ((err = SecKeychainOpen(ServerCertificate, &keychain)))
{
- cupsdLogMessage(CUPSD_LOG_ERROR,
- "EncryptClient: Could not find signing key in keychain "
- "\"%s\"", ServerCertificate);
- error = errSSLBadCert; /* errSSLBadConfiguration is a better choice, but not available on 10.2.x */
+ cupsdLogMessage(CUPSD_LOG_ERROR, "Cannot open keychain \"%s\" - %s (%d)",
+ ServerCertificate, cssmErrorString(err), (int)err);
+ goto cleanup;
}
- if (!error)
- error = SSLNewContext(true, &conn->session);
+# if HAVE_SECPOLICYCREATESSL
+ servername = CFStringCreateWithCString(kCFAllocatorDefault, con->servername,
+ kCFStringEncodingUTF8);
- if (!error)
- error = SSLSetIOFuncs(conn->session, _httpReadCDSA, _httpWriteCDSA);
+ if ((policy = SecPolicyCreateSSL(1, servername)) == NULL)
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR, "Cannot create ssl policy reference");
+ goto cleanup;
+ }
- if (!error)
- error = SSLSetProtocolVersion(conn->session, kSSLProtocol3);
+ if (servername)
+ CFRelease(servername);
- if (!error)
+ if (!(query = CFDictionaryCreateMutable(kCFAllocatorDefault, 0,
+ &kCFTypeDictionaryKeyCallBacks,
+ &kCFTypeDictionaryValueCallBacks)))
{
- /*
- * Use a union to resolve warnings about int/pointer size mismatches...
- */
-
- u.connection = NULL;
- u.sock = con->http.fd;
- error = SSLSetConnection(conn->session, u.connection);
+ cupsdLogMessage(CUPSD_LOG_ERROR, "Cannot create query dictionary");
+ goto cleanup;
}
- if (!error)
- error = SSLSetAllowsExpiredCerts(conn->session, true);
-
- if (!error)
- error = SSLSetAllowsAnyRoot(conn->session, true);
+ CFDictionaryAddValue(query, kSecClass, kSecClassIdentity);
+ CFDictionaryAddValue(query, kSecMatchPolicy, policy);
+ CFDictionaryAddValue(query, kSecReturnRef, kCFBooleanTrue);
+ CFDictionaryAddValue(query, kSecMatchLimit, kSecMatchLimitOne);
- if (!error)
- error = SSLSetCertificate(conn->session, conn->certsArray);
+ err = SecItemCopyMatching(query, (CFTypeRef *)&identity);
- if (!error)
+ if (err && DNSSDHostName)
{
/*
- * Perform SSL/TLS handshake
+ * Search for the connection server name failed; try the DNS-SD .local
+ * hostname instead...
*/
- while ((error = SSLHandshake(conn->session)) == errSSLWouldBlock)
- usleep(1000);
- }
+ snprintf(localname, sizeof(localname), "%s.local", DNSSDHostName);
- if (error)
- {
- cupsdLogMessage(CUPSD_LOG_ERROR,
- "encrypt_client: Unable to encrypt connection from %s!",
- con->http.hostname);
+ cupsdLogMessage(CUPSD_LOG_DEBUG,
+ "get_cdsa_certificate: Looking for certs for \"%s\"...",
+ localname);
- cupsdLogMessage(CUPSD_LOG_ERROR,
- "encrypt_client: CDSA error code is %d", (int)error);
+ servername = CFStringCreateWithCString(kCFAllocatorDefault, localname,
+ kCFStringEncodingUTF8);
+
+ CFRelease(policy);
- con->http.error = error;
- con->http.status = HTTP_ERROR;
+ if ((policy = SecPolicyCreateSSL(1, servername)) == NULL)
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR, "Cannot create ssl policy reference");
+ goto cleanup;
+ }
- if (conn->session)
- SSLDisposeContext(conn->session);
+ if (servername)
+ CFRelease(servername);
- if (conn->certsArray)
- CFRelease(conn->certsArray);
+ CFDictionarySetValue(query, kSecMatchPolicy, policy);
- free(conn);
+ err = SecItemCopyMatching(query, (CFTypeRef *)&identity);
+ }
- return (0);
+ if (err)
+ {
+ cupsdLogMessage(CUPSD_LOG_DEBUG,
+ "Cannot find signing key in keychain \"%s\": %s (%d)",
+ ServerCertificate, cssmErrorString(err), (int)err);
+ goto cleanup;
}
- cupsdLogMessage(CUPSD_LOG_DEBUG,
- "encrypt_client: %d Connection from %s now encrypted.",
- con->http.fd, con->http.hostname);
+# elif defined(HAVE_SECIDENTITYSEARCHCREATEWITHPOLICY)
+ /*
+ * Use a policy to search for valid certificates whose common name matches the
+ * servername...
+ */
- con->http.tls = conn;
- return (1);
+ 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;
+ }
-# endif /* HAVE_LIBSSL */
-}
-#endif /* HAVE_SSL */
+ 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);
-#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 k=/Library/Keychains/System.keychain
- */
+ options.Data = (uint8 *)&ssl_options;
+ options.Length = sizeof(ssl_options);
-static CFArrayRef /* O - Array of certificates */
-get_cdsa_server_certs(void)
-{
- OSStatus err; /* Error info */
- SecKeychainRef kcRef; /* Keychain reference */
- SecIdentitySearchRef srchRef; /* Search reference */
- SecIdentityRef identity; /* Identity */
- CFArrayRef ca; /* Certificate array */
+ 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;
+ }
- kcRef = NULL;
- srchRef = NULL;
- identity = NULL;
- ca = NULL;
- err = SecKeychainOpen(ServerCertificate, &kcRef);
+ err = SecIdentitySearchCopyNext(search, &identity);
- if (err)
- cupsdLogMessage(CUPSD_LOG_ERROR, "Cannot open keychain \"%s\", error %d.",
- ServerCertificate, (int)err);
- else
+ if (err && DNSSDHostName)
{
/*
- * Search for "any" identity matching specified key use;
- * in this app, we expect there to be exactly one.
+ * Search for the connection server name failed; try the DNS-SD .local
+ * hostname instead...
*/
- err = SecIdentitySearchCreate(kcRef, CSSM_KEYUSE_SIGN, &srchRef);
+ snprintf(localname, sizeof(localname), "%s.local", DNSSDHostName);
- if (err)
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "Cannot find signing key in keychain \"%s\", error %d",
- ServerCertificate, (int)err);
- else
+ 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))
{
- err = SecIdentitySearchCopyNext(srchRef, &identity);
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "Cannot set policy value to use for searching");
+ goto cleanup;
+ }
- 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.
- */
+ 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;
+ }
- ca = CFArrayCreate(NULL, (const void **)&identity, 1, &kCFTypeArrayCallBacks);
+ err = SecIdentitySearchCopyNext(search, &identity);
- if (ca == nil)
- cupsdLogMessage(CUPSD_LOG_ERROR, "CFArrayCreate error");
- }
+ }
- CFRelease(identity);
- }
+ if (err)
+ {
+ cupsdLogMessage(CUPSD_LOG_DEBUG,
+ "Cannot find signing key in keychain \"%s\": %s (%d)",
+ ServerCertificate, cssmErrorString(err), (int)err);
+ goto cleanup;
+ }
- CFRelease(srchRef);
- }
+# 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 */
- CFRelease(kcRef);
+ 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;
}
- return (ca);
+ 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 */
int status; /* Status of filesystem calls */
char *ptr; /* Pointer info filename */
int plen; /* Remaining length after pointer */
+ char language[7]; /* Language subdirectory, if any */
/*
- * Need to add DocumentRoot global...
+ * Figure out the real filename...
*/
- if (!strncmp(con->uri, "/ppd/", 5))
+ 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 (!strcmp(con->uri + 11, "access_log") && AccessLog[0] == '/')
+ if (!strncmp(con->uri + 11, "access_log", 10) && AccessLog[0] == '/')
strlcpy(filename, AccessLog, len);
- else if (!strcmp(con->uri + 11, "error_log") && ErrorLog[0] == '/')
+ else if (!strncmp(con->uri + 11, "error_log", 9) && ErrorLog[0] == '/')
strlcpy(filename, ErrorLog, len);
- else if (!strcmp(con->uri + 11, "page_log") && PageLog[0] == '/')
+ else if (!strncmp(con->uri + 11, "page_log", 8) && PageLog[0] == '/')
strlcpy(filename, PageLog, len);
else
return (NULL);
}
else if (con->language)
- snprintf(filename, len, "%s/%s%s", DocumentRoot, con->language->language,
- con->uri);
+ {
+ 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);
* then fallback to the default one...
*/
- if ((status = stat(filename, filestats)) != 0 && con->language &&
+ 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...
*/
- char ll[3]; /* Short language name */
-
-
- strlcpy(ll, con->language->language, sizeof(ll));
- snprintf(filename, len, "%s/%s%s", DocumentRoot, ll, con->uri);
+ language[3] = '\0';
+ snprintf(filename, len, "%s%s%s", DocumentRoot, language, con->uri);
if ((ptr = strchr(filename, '?')) != NULL)
*ptr = '\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)
if (!status && S_ISDIR(filestats->st_mode))
{
- if (filename[strlen(filename) - 1] != '/')
- strlcat(filename, "/", len);
+ /*
+ * Make sure the URI ends with a slash...
+ */
- ptr = filename + strlen(filename);
- plen = len - (ptr - filename);
+ if (con->uri[strlen(con->uri) - 1] != '/')
+ strlcat(con->uri, "/", sizeof(con->uri));
- strlcpy(ptr, "index.html", plen);
- status = stat(filename, filestats);
+ /*
+ * Find the directory index file, trying every language...
+ */
-#ifdef HAVE_JAVA
- if (status)
+ do
{
- strlcpy(ptr, "index.class", plen);
+ 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);
- }
+ 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);
- }
+ 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.pyc", plen);
+ status = stat(filename, filestats);
+ }
- if (status)
- {
- strlcpy(ptr, "index.py", plen);
- status = stat(filename, filestats);
- }
+ if (status)
+ {
+ strlcpy(ptr, "index.py", plen);
+ status = stat(filename, filestats);
+ }
#endif /* HAVE_PYTHON */
- }
- cupsdLogMessage(CUPSD_LOG_DEBUG2, "get_file: %d filename=%s size=%d",
- con->http.fd, filename,
- status ? -1 : (int)filestats->st_size);
+ }
+ while (status && language[0]);
+ }
- if (!status)
- con->http.data_remaining = (int)filestats->st_size;
+ 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);
const char *options; /* Options on URL */
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "is_cgi(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 ++;
+ cupsdSetStringf(&(con->query_string), "QUERY_STRING=%s", options);
+ }
/*
* Check for known types...
if (!type || strcasecmp(type->super, "application"))
{
- cupsdLogMessage(CUPSD_LOG_DEBUG2, "is_cgi: Returning 0...");
+ 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);
}
cupsdSetString(&con->command, filename);
- filename = strrchr(filename, '/') + 1; /* Filename always absolute */
-
- cupsdSetString(&con->options, options);
+ if (options)
+ cupsdSetStringf(&con->options, " %s", options);
cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "is_cgi: Returning 1 with command=\"%s\" and options=\"%s\"",
- con->command, con->options);
-
+ "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
cupsdSetString(&con->command, CUPS_JAVA);
if (options)
- cupsdSetStringf(&con->options, "%s %s", filename, options);
+ cupsdSetStringf(&con->options, " %s %s", filename, options);
else
- cupsdSetString(&con->options, filename);
+ cupsdSetStringf(&con->options, " %s", filename);
cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "is_cgi: Returning 1 with command=\"%s\" and options=\"%s\"",
- con->command, con->options);
-
+ "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 */
cupsdSetString(&con->command, CUPS_PERL);
if (options)
- cupsdSetStringf(&con->options, "%s %s", filename, options);
+ cupsdSetStringf(&con->options, " %s %s", filename, options);
else
- cupsdSetString(&con->options, filename);
+ cupsdSetStringf(&con->options, " %s", filename);
cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "is_cgi: Returning 1 with command=\"%s\" and options=\"%s\"",
- con->command, con->options);
-
+ "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 */
cupsdSetString(&con->command, CUPS_PHP);
if (options)
- cupsdSetStringf(&con->options, "%s %s", filename, options);
+ cupsdSetStringf(&con->options, " %s %s", filename, options);
else
- cupsdSetString(&con->options, filename);
+ cupsdSetStringf(&con->options, " %s", filename);
cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "is_cgi: Returning 1 with command=\"%s\" and options=\"%s\"",
- con->command, con->options);
-
+ "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 */
cupsdSetString(&con->command, CUPS_PYTHON);
if (options)
- cupsdSetStringf(&con->options, "%s %s", filename, options);
+ cupsdSetStringf(&con->options, " %s %s", filename, options);
else
- cupsdSetString(&con->options, filename);
+ cupsdSetStringf(&con->options, " %s", filename);
cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "is_cgi: Returning 1 with command=\"%s\" and options=\"%s\"",
- con->command, con->options);
-
+ "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: Returning 0...");
-
+ 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);
}
* Check for a leading slash...
*/
- if (path[0] != '/')
- return (0);
+ if (path[0] != '/')
+ return (0);
+
+ /*
+ * Check for "/.." in the path...
+ */
+
+ while ((path = strstr(path, "/..")) != NULL)
+ {
+ if (!path[3] || path[3] == '/')
+ return (0);
+
+ path ++;
+ }
+
+ /*
+ * If we haven't found any relative paths, return 1 indicating an
+ * absolute path...
+ */
+
+ 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 */
+
+
+ /*
+ * 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 (!cupsFileFind("openssl", getenv("PATH"), 1, command, sizeof(command)))
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "No SSL certificate and openssl command not found!");
+ return (0);
+ }
+
+ 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()...
+ */
+
+ 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);
+ }
+
+ 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))
+ {
+ unlink(seedfile);
+ return (0);
+ }
+
+ while (waitpid(pid, &status, 0) < 0)
+ if (errno != EINTR)
+ {
+ status = 1;
+ break;
+ }
+
+ 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);
+ }
+ }
/*
- * Check for "/.." in the path...
+ * Create a file with the certificate information fields...
+ *
+ * Note: This assumes that the default questions are asked by the openssl
+ * command...
*/
- while ((path = strstr(path, "/..")) != NULL)
+ if ((fp = cupsTempFile2(infofile, sizeof(infofile))) == NULL)
{
- if (!path[3] || path[3] == '/')
- return (0);
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "Unable to create certificate information file %s - %s",
+ infofile, strerror(errno));
+ return (0);
+ }
- path ++;
+ cupsFilePrintf(fp, ".\n.\n.\n%s\n.\n%s\n%s\n",
+ ServerName, ServerName, ServerAdmin);
+ cupsFileClose(fp);
+
+ 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);
}
- /*
- * If we haven't found any relative paths, return 1 indicating an
- * absolute path...
- */
+ close(infofd);
+ unlink(infofile);
- return (1);
-}
+ while (waitpid(pid, &status, 0) < 0)
+ if (errno != EINTR)
+ {
+ status = 1;
+ break;
+ }
+ cupsdFinishProcess(pid, command, sizeof(command), NULL);
-#ifdef HAVE_GNUTLS
-/*
- * 'make_certificate()' - Make a self-signed SSL/TLS certificate.
- */
+ 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);
+ }
-static void
-make_certificate(void)
-{
+ 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 */
* Create the encryption key...
*/
- cupsdLogMessage(CUPSD_LOG_INFO, "Generating server key...");
+ cupsdLogMessage(CUPSD_LOG_INFO, "Generating SSL server key...");
gnutls_x509_privkey_init(&key);
gnutls_x509_privkey_generate(key, GNUTLS_PK_RSA, 2048, 0);
if ((result = gnutls_x509_privkey_export(key, GNUTLS_X509_FMT_PEM,
buffer, &bytes)) < 0)
{
- cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to export server key - %s",
+ cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to export SSL server key - %s",
gnutls_strerror(result));
gnutls_x509_privkey_deinit(key);
- return;
+ return (0);
}
else if ((fp = cupsFileOpen(ServerKey, "w")) != NULL)
{
cupsFileWrite(fp, (char *)buffer, bytes);
cupsFileClose(fp);
- cupsdLogMessage(CUPSD_LOG_INFO, "Created server key file \"%s\"...",
+ cupsdLogMessage(CUPSD_LOG_INFO, "Created SSL server key file \"%s\"...",
ServerKey);
}
else
{
cupsdLogMessage(CUPSD_LOG_ERROR,
- "Unable to create server key file \"%s\" - %s",
+ "Unable to create SSL server key file \"%s\" - %s",
ServerKey, strerror(errno));
gnutls_x509_privkey_deinit(key);
- return;
+ return (0);
}
/*
* Create the self-signed certificate...
*/
- cupsdLogMessage(CUPSD_LOG_INFO, "Generating self-signed certificate...");
+ cupsdLogMessage(CUPSD_LOG_INFO, "Generating self-signed SSL certificate...");
language = cupsLangDefault();
curtime = time(NULL);
if ((result = gnutls_x509_crt_export(crt, GNUTLS_X509_FMT_PEM,
buffer, &bytes)) < 0)
cupsdLogMessage(CUPSD_LOG_ERROR,
- "Unable to export server certificate - %s",
+ "Unable to export SSL server certificate - %s",
gnutls_strerror(result));
else if ((fp = cupsFileOpen(ServerCertificate, "w")) != NULL)
{
cupsFileClose(fp);
cupsdLogMessage(CUPSD_LOG_INFO,
- "Created 10-year server certificate file \"%s\"...",
+ "Created SSL server certificate file \"%s\"...",
ServerCertificate);
}
else
cupsdLogMessage(CUPSD_LOG_ERROR,
- "Unable to create server certificate file \"%s\" - %s",
+ "Unable to create SSL server certificate file \"%s\" - %s",
ServerCertificate, strerror(errno));
/*
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;
+
+ /*
+ * Run the "certtool" command to generate a self-signed certificate...
+ */
+
+ 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;
+ }
+
+ cupsdFinishProcess(pid, command, sizeof(command), NULL);
+
+ if (status)
+ {
+ 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);
+ }
+
+ return (!status);
+
+#else
+ return (0);
+#endif /* HAVE_LIBSSL && HAVE_WAITPID */
}
-#endif /* HAVE_GNUTLS */
+#endif /* HAVE_SSL */
/*
int envc; /* Number of environment variables */
char argbuf[10240], /* Argument buffer */
*argv[100], /* Argument strings */
- *envp[MAX_ENV + 17]; /* 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 */
path_info[1024], /* PATH_INFO environment variable */
- *query_string, /* QUERY_STRING env 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 */
/*
*/
cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "pipe_command: command=\"%s\", options=\"%s\"",
- command, options ? options : "(null)");
+ "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);
- argv[0] = command;
- query_string = NULL;
+ argv[0] = command;
if (options)
- strlcpy(argbuf, options, sizeof(argbuf));
+ {
+ commptr = options;
+ if (*commptr == ' ')
+ commptr ++;
+ strlcpy(argbuf, commptr, sizeof(argbuf));
+ }
else
argbuf[0] = '\0';
{
commptr = argbuf;
path_info[0] = '\0';
+
+ if (*commptr == ' ')
+ commptr ++;
}
- if (*commptr == '?' && con->operation == HTTP_GET)
+ if (*commptr == '?' && con->operation == HTTP_GET && !con->query_string)
{
commptr ++;
- cupsdSetStringf(&query_string, "QUERY_STRING=%s", commptr);
+ cupsdSetStringf(&(con->query_string), "QUERY_STRING=%s", commptr);
}
argc = 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;
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
{
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);
}
+/*
+ * '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.
*/
{
con->file = open(filename, O_RDONLY);
- cupsdLogMessage(CUPSD_LOG_DEBUG, "write_file: %d file=%d", con->http.fd,
- con->file);
+ 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);
con->pipe_pid = 0;
- if (!cupsdSendHeader(con, code, type))
+ if (!cupsdSendHeader(con, code, type, CUPSD_AUTH_NONE))
return (0);
if (httpPrintf(HTTP(con), "Last-Modified: %s\r\n",
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;
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_file: Adding fd %d to OutputSet...", con->http.fd);
+ "write_pipe(con=%p(%d)) CGI output on fd %d",
+ con, con->http.fd, con->file);
- FD_SET(con->http.fd, OutputSet);
+ con->file_ready = 1;
- return (1);
+ cupsdRemoveSelect(con->file);
+ cupsdAddSelect(con->http.fd, NULL, (cupsd_selfunc_t)cupsdWriteClient, con);
}
/*
- * End of "$Id: client.c 5568 2006-05-22 15:34:01Z mike $".
+ * End of "$Id: client.c 7950 2008-09-17 00:21:59Z mike $".
*/
projects / thirdparty / cups.git / blobdiff