/*
- * "$Id: client.c 5083 2006-02-06 02:57:43Z mike $"
+ * "$Id: client.c 6329 2007-03-12 14:48:28Z mike $"
*
* Client routines for the Common UNIX Printing System (CUPS) scheduler.
*
- * Copyright 1997-2006 by Easy Software Products, all rights reserved.
+ * Copyright 1997-2007 by Easy Software Products, all rights reserved.
+ *
+ * This file contains Kerberos support code, copyright 2006 by
+ * Jelmer Vernooij.
*
* These coded instructions, statements, and computer programs are the
* property of Easy Software Products and are protected by Federal
* cupsdAcceptClient() - Accept a new client.
* cupsdCloseAllClients() - Close all remote clients immediately.
* cupsdCloseClient() - Close a remote client.
- * cupsdEncryptClient() - Enable encryption for the client...
- * cupsdIsCGI() - Is the resource a CGI script/program?
+ * 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.
- * cupsdSendFile() - Send a file via HTTP.
* cupsdSendHeader() - Send an HTTP request.
* cupsdUpdateCGI() - Read status messages from CGI scripts and programs.
* cupsdWriteClient() - Write data to a client as needed.
+ * cupsdWritePipe() - Flag that data is available on the CGI pipe.
* check_if_modified() - Decode an "If-Modified-Since" line.
- * get_cdsa_server_certs() - Convert a keychain name into the CFArrayRef
+ * encrypt_client() - Enable encryption for the client...
+ * get_cdsa_certificate() - 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.
*/
/*
#ifdef HAVE_CDSASSL
# include <Security/Security.h>
+# ifdef HAVE_SECIDENTITYSEARCHPRIV_H
+# include <Security/SecIdentitySearchPriv.h>
+# else /* Declare prototype for function in that header... */
+extern OSStatus SecIdentitySearchCreateWithPolicy(SecPolicyRef policy,
+ CFStringRef idString, CSSM_KEYUSE keyUsage,
+ CFTypeRef keychainOrArray,
+ Boolean returnOnlyValidIdentities,
+ SecIdentitySearchRef* searchRef);
+# endif /* HAVE_SECIDENTITYSEARCHPRIV_H */
+# ifdef HAVE_SECPOLICYPRIV_H
+# include <Security/SecPolicyPriv.h>
+# else /* Declare prototype for function in that header... */
+extern OSStatus SecPolicySetValue(SecPolicyRef policyRef,
+ const CSSM_DATA *value);
+# endif /* HAVE_SECPOLICYPRIV_H */
+# ifdef HAVE_SECBASEPRIV_H
+# include <Security/SecBasePriv.h>
+# else /* Declare prototype for function in that header... */
+extern const char *cssmErrorString(int error);
+# endif /* HAVE_SECBASEPRIV_H */
#endif /* HAVE_CDSASSL */
+#ifdef HAVE_GNUTLS
+# include <gnutls/x509.h>
+#endif /* HAVE_GNUTLS */
+
/*
* Local functions...
static int check_if_modified(cupsd_client_t *con,
struct stat *filestats);
+#ifdef HAVE_SSL
+static int encrypt_client(cupsd_client_t *con);
+#endif /* HAVE_SSL */
#ifdef HAVE_CDSASSL
-static CFArrayRef get_cdsa_server_certs(void);
+static CFArrayRef get_cdsa_certificate(cupsd_client_t *con);
#endif /* HAVE_CDSASSL */
-static char *get_file(cupsd_client_t *con, struct stat *filestats,
+static char *get_file(cupsd_client_t *con, struct stat *filestats,
char *filename, int len);
static http_status_t install_conf_file(cupsd_client_t *con);
+static int is_cgi(cupsd_client_t *con, const char *filename,
+ struct stat *filestats, mime_type_t *type);
static int is_path_absolute(const char *path);
+#ifdef HAVE_SSL
+static int make_certificate(cupsd_client_t *con);
+#endif /* HAVE_SSL */
static int pipe_command(cupsd_client_t *con, int infile, int *outfile,
char *command, char *options, int root);
+static int write_file(cupsd_client_t *con, http_status_t code,
+ char *filename, char *type,
+ struct stat *filestats);
/*
*/
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...
* Add the socket to the select() input mask.
*/
- 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;
- cupsdEncryptClient(con);
+ if (!encrypt_client(con))
+ cupsdCloseClient(con);
}
else
con->auto_ssl = 1;
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 */
+ 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 */
free(conn);
# elif defined(HAVE_CDSASSL)
- SSLClose((SSLContextRef)con->http.tls);
- SSLDisposeContext((SSLContextRef)con->http.tls);
+ conn = (http_tls_t *)(con->http.tls);
+
+ while (SSLClose(conn->session) == errSSLWouldBlock)
+ usleep(1000);
+
+ SSLDisposeContext(conn->session);
+
+ if (conn->certsArray)
+ CFRelease(conn->certsArray);
+
+ free(conn);
# endif /* HAVE_LIBSSL */
con->http.tls = NULL;
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);
- }
+ cupsdRemoveSelect(con->file);
cupsdLogMessage(CUPSD_LOG_DEBUG2,
"cupsdCloseClient: %d Closing data file %d.",
* 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;
}
}
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...
/*
- * 'cupsdEncryptClient()' - Enable encryption for the client...
+ * 'cupsdFlushHeader()' - Flush the header fields to the client.
*/
-int /* O - 1 on success, 0 on error */
-cupsdEncryptClient(cupsd_client_t *con) /* I - Client to encrypt */
+int /* I - Bytes written or -1 on error */
+cupsdFlushHeader(cupsd_client_t *con) /* I - Client to flush to */
{
-#ifdef HAVE_LIBSSL
- SSL_CTX *context; /* Context for encryption */
- SSL *conn; /* Connection for encryption */
- unsigned long error; /* Error code */
+ int bytes = httpFlushWrite(HTTP(con));
+ con->http.data_encoding = HTTP_ENCODE_LENGTH;
- /*
- * Create the SSL context and accept the connection...
- */
+ return (bytes);
+}
- context = SSL_CTX_new(SSLv23_server_method());
- SSL_CTX_set_options(context, SSL_OP_NO_SSLv2); /* Only use SSLv3 or TLS */
- SSL_CTX_use_PrivateKey_file(context, ServerKey, SSL_FILETYPE_PEM);
- SSL_CTX_use_certificate_file(context, ServerCertificate, SSL_FILETYPE_PEM);
+/*
+ * 'cupsdReadClient()' - Read data from a client.
+ */
- conn = SSL_new(context);
+void
+cupsdReadClient(cupsd_client_t *con) /* I - Client to read from */
+{
+ char line[32768], /* Line from client... */
+ operation[64], /* Operation code from socket */
+ version[64], /* HTTP version number string */
+ locale[64], /* Locale */
+ *ptr; /* Pointer into strings */
+ int major, minor; /* HTTP version numbers */
+ http_status_t status; /* Transfer status */
+ ipp_state_t ipp_state; /* State of IPP transfer */
+ int bytes; /* Number of bytes to POST */
+ char *filename; /* Name of file for GET/HEAD */
+ char buf[1024]; /* Buffer for real filename */
+ struct stat filestats; /* File information */
+ mime_type_t *type; /* MIME type of file */
+ cupsd_printer_t *p; /* Printer */
+ static unsigned request_id = 0; /* Request ID for temp files */
- SSL_set_fd(conn, con->http.fd);
- if (SSL_accept(conn) != 1)
- {
- cupsdLogMessage(CUPSD_LOG_ERROR,
- "cupsdEncryptClient: Unable to encrypt connection from %s!",
- con->http.hostname);
- while ((error = ERR_get_error()) != 0)
- cupsdLogMessage(CUPSD_LOG_ERROR, "cupsdEncryptClient: %s",
- ERR_error_string(error, NULL));
+ status = HTTP_CONTINUE;
- SSL_CTX_free(context);
- SSL_free(conn);
- return (0);
- }
+ cupsdLogMessage(CUPSD_LOG_DEBUG2,
+ "cupsdReadClient: %d, used=%d, file=%d state=%d",
+ con->http.fd, con->http.used, con->file, con->http.state);
- cupsdLogMessage(CUPSD_LOG_DEBUG,
- "cupsdEncryptClient: %d Connection from %s now encrypted.",
- con->http.fd, con->http.hostname);
+ if (con->http.error)
+ {
+ cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdReadClient: http error seen...");
+ cupsdCloseClient(con);
+ return;
+ }
- 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 */
+#ifdef HAVE_SSL
+ if (con->auto_ssl)
+ {
+ /*
+ * Automatically check for a SSL/TLS handshake...
+ */
- /*
- * Create the SSL object and perform the SSL handshake...
- */
+ con->auto_ssl = 0;
- conn = (http_tls_t *)malloc(sizeof(gnutls_session));
+ if (recv(con->http.fd, buf, 1, MSG_PEEK) == 1 &&
+ (!buf[0] || !strchr("DGHOPT", buf[0])))
+ {
+ /*
+ * Encrypt this connection...
+ */
- if (conn == NULL)
- return (0);
+ cupsdLogMessage(CUPSD_LOG_DEBUG2,
+ "cupsdReadClient: Saw first byte %02X, auto-negotiating SSL/TLS session...",
+ buf[0] & 255);
- credentials = (gnutls_certificate_server_credentials *)
- malloc(sizeof(gnutls_certificate_server_credentials));
- if (credentials == NULL)
- {
- cupsdLogMessage(CUPSD_LOG_ERROR,
- "cupsdEncryptClient: Unable to encrypt connection from %s!",
- con->http.hostname);
- cupsdLogMessage(CUPSD_LOG_ERROR, "cupsdEncryptClient: %s", strerror(errno));
+ if (!encrypt_client(con))
+ cupsdCloseClient(con);
- free(conn);
- return (0);
+ return;
+ }
}
+#endif /* HAVE_SSL */
- gnutls_certificate_allocate_credentials(credentials);
- gnutls_certificate_set_x509_key_file(*credentials, ServerCertificate,
- ServerKey, GNUTLS_X509_FMT_PEM);
+ switch (con->http.state)
+ {
+ case HTTP_WAITING :
+ /*
+ * See if we've received a request line...
+ */
- gnutls_init(&(conn->session), GNUTLS_SERVER);
- gnutls_set_default_priority(conn->session);
- gnutls_credentials_set(conn->session, GNUTLS_CRD_CERTIFICATE, *credentials);
- gnutls_transport_set_ptr(conn->session, con->http.fd);
+ if (httpGets(line, sizeof(line) - 1, HTTP(con)) == NULL)
+ {
+ cupsdLogMessage(CUPSD_LOG_DEBUG2,
+ "cupsdReadClient: httpGets returned EOF...");
+ cupsdCloseClient(con);
+ return;
+ }
- error = gnutls_handshake(conn->session);
+ /*
+ * Ignore blank request lines...
+ */
- if (error != GNUTLS_E_SUCCESS)
- {
- cupsdLogMessage(CUPSD_LOG_ERROR,
- "cupsdEncryptClient: Unable to encrypt connection from %s!",
- con->http.hostname);
- cupsdLogMessage(CUPSD_LOG_ERROR, "cupsdEncryptClient: %s",
- gnutls_strerror(error));
+ if (line[0] == '\0')
+ break;
- gnutls_deinit(conn->session);
- gnutls_certificate_free_credentials(*credentials);
- free(conn);
- free(credentials);
- return (0);
- }
+ /*
+ * Clear other state variables...
+ */
- cupsdLogMessage(CUPSD_LOG_DEBUG,
- "cupsdEncryptClient: %d Connection from %s now encrypted.",
- con->http.fd, con->http.hostname);
+ httpClearFields(HTTP(con));
- conn->credentials = credentials;
- con->http.tls = conn;
- return (1);
+ con->http.activity = time(NULL);
+ con->http.version = HTTP_1_0;
+ con->http.keep_alive = HTTP_KEEPALIVE_OFF;
+ con->http.data_encoding = HTTP_ENCODE_LENGTH;
+ con->http.data_remaining = 0;
+ con->http._data_remaining = 0;
+ con->operation = HTTP_WAITING;
+ con->bytes = 0;
+ con->file = -1;
+ con->file_ready = 0;
+ con->pipe_pid = 0;
+ con->username[0] = '\0';
+ con->password[0] = '\0';
+ con->uri[0] = '\0';
-#elif defined(HAVE_CDSASSL)
- OSStatus error; /* Error info */
- SSLContextRef conn; /* New connection */
- int allowExpired; /* Allow expired certificates? */
- int allowAnyRoot; /* Allow any root certificate? */
+ cupsdClearString(&con->command);
+ cupsdClearString(&con->options);
+ cupsdClearString(&con->query_string);
+ if (con->request)
+ {
+ ippDelete(con->request);
+ con->request = NULL;
+ }
- conn = NULL;
- error = SSLNewContext(true, &conn);
- allowExpired = 1;
- allowAnyRoot = 1;
+ if (con->response)
+ {
+ ippDelete(con->response);
+ con->response = NULL;
+ }
- if (!ServerCertificatesArray)
- ServerCertificatesArray = get_cdsa_server_certs();
+ if (con->language)
+ {
+ cupsLangFree(con->language);
+ con->language = NULL;
+ }
- if (!ServerCertificatesArray)
- {
- 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 */
- }
+ /*
+ * Grab the request line...
+ */
- if (!error)
- error = SSLSetIOFuncs(conn, _httpReadCDSA, _httpWriteCDSA);
+ 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);
+ cupsdCloseClient(con);
+ return;
+ case 2 :
+ con->http.version = HTTP_0_9;
+ break;
+ case 3 :
+ if (sscanf(version, "HTTP/%d.%d", &major, &minor) != 2)
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "Bad request line \"%s\" from %s!", line,
+ con->http.hostname);
+ cupsdSendError(con, HTTP_BAD_REQUEST);
+ cupsdCloseClient(con);
+ return;
+ }
- if (!error)
- error = SSLSetProtocolVersion(conn, kSSLProtocol3);
+ if (major < 2)
+ {
+ con->http.version = (http_version_t)(major * 100 + minor);
+ if (con->http.version == HTTP_1_1 && KeepAlive)
+ con->http.keep_alive = HTTP_KEEPALIVE_ON;
+ else
+ con->http.keep_alive = HTTP_KEEPALIVE_OFF;
+ }
+ else
+ {
+ cupsdSendError(con, HTTP_NOT_SUPPORTED);
+ cupsdCloseClient(con);
+ return;
+ }
+ break;
+ }
- if (!error)
- error = SSLSetConnection(conn, (SSLConnectionRef)con->http.fd);
+ /*
+ * Handle full URLs in the request line...
+ */
- if (!error)
- error = SSLSetPeerDomainName(conn, ServerName, strlen(ServerName) + 1);
+ if (strcmp(con->uri, "*"))
+ {
+ char method[HTTP_MAX_URI], /* Method/scheme */
+ userpass[HTTP_MAX_URI], /* Username:password */
+ hostname[HTTP_MAX_URI], /* Hostname */
+ resource[HTTP_MAX_URI]; /* Resource path */
+ int port; /* Port number */
- /* have to do these options before setting server certs */
- if (!error && allowExpired)
- error = SSLSetAllowsExpiredCerts(conn, true);
- if (!error && allowAnyRoot)
- error = SSLSetAllowsAnyRoot(conn, true);
+ /*
+ * Separate the URI into its components...
+ */
- if (!error && ServerCertificatesArray)
- {
- error = SSLSetCertificate(conn, ServerCertificatesArray);
+ httpSeparateURI(HTTP_URI_CODING_MOST, con->uri,
+ method, sizeof(method),
+ userpass, sizeof(userpass),
+ hostname, sizeof(hostname), &port,
+ resource, sizeof(resource));
- /*
- * Perform SSL/TLS handshake
- */
-
- if (!error)
- {
- do
- {
- error = SSLHandshake(conn);
- }
- while (error == errSSLWouldBlock);
- }
- }
-
- if (error)
- {
- cupsdLogMessage(CUPSD_LOG_ERROR,
- "cupsdEncryptClient: Unable to encrypt connection from %s!",
- con->http.hostname);
-
- cupsdLogMessage(CUPSD_LOG_ERROR,
- "cupsdEncryptClient: CDSA error code is %d", (int)error);
+ /*
+ * Only allow URIs with the servername, localhost, or an IP
+ * address...
+ */
- con->http.error = error;
- con->http.status = HTTP_ERROR;
+ if (strcmp(method, "file") &&
+ strcasecmp(hostname, ServerName) &&
+ strcasecmp(hostname, "localhost") &&
+ !isdigit(hostname[0]))
+ {
+ /*
+ * Nope, we don't do proxies...
+ */
- if (conn != NULL)
- SSLDisposeContext(conn);
+ cupsdLogMessage(CUPSD_LOG_ERROR, "Bad URI \"%s\" in request!",
+ con->uri);
+ cupsdSendError(con, HTTP_METHOD_NOT_ALLOWED);
+ cupsdCloseClient(con);
+ return;
+ }
- return (0);
- }
+ /*
+ * Copy the resource portion back into the URI; both resource and
+ * con->uri are HTTP_MAX_URI bytes in size...
+ */
- cupsdLogMessage(CUPSD_LOG_DEBUG,
- "cupsdEncryptClient: %d Connection from %s now encrypted.",
- con->http.fd, con->http.hostname);
+ strcpy(con->uri, resource);
+ }
- con->http.tls = conn;
- return (1);
+ /*
+ * Process the request...
+ */
-#else
- return (0);
-#endif /* HAVE_LIBSSL */
-}
+ if (!strcmp(operation, "GET"))
+ con->http.state = HTTP_GET;
+ else if (!strcmp(operation, "PUT"))
+ con->http.state = HTTP_PUT;
+ else if (!strcmp(operation, "POST"))
+ con->http.state = HTTP_POST;
+ else if (!strcmp(operation, "DELETE"))
+ con->http.state = HTTP_DELETE;
+ else if (!strcmp(operation, "TRACE"))
+ con->http.state = HTTP_TRACE;
+ else if (!strcmp(operation, "OPTIONS"))
+ con->http.state = HTTP_OPTIONS;
+ else if (!strcmp(operation, "HEAD"))
+ con->http.state = HTTP_HEAD;
+ else
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR, "Bad operation \"%s\"!", operation);
+ cupsdSendError(con, HTTP_BAD_REQUEST);
+ cupsdCloseClient(con);
+ return;
+ }
+ con->start = time(NULL);
+ con->operation = con->http.state;
-/*
- * 'cupsdIsCGI()' - Is the resource a CGI script/program?
- */
+ cupsdLogMessage(CUPSD_LOG_DEBUG, "cupsdReadClient: %d %s %s HTTP/%d.%d",
+ con->http.fd, operation, con->uri,
+ con->http.version / 100, con->http.version % 100);
-int /* O - 1 = CGI, 0 = file */
-cupsdIsCGI(cupsd_client_t *con, /* I - Client connection */
- const char *filename, /* I - Real filename */
- struct stat *filestats, /* I - File information */
- mime_type_t *type) /* I - MIME type */
-{
- const char *options; /* Options on URL */
+ con->http.status = HTTP_OK;
+ case HTTP_OPTIONS :
+ case HTTP_DELETE :
+ case HTTP_GET :
+ case HTTP_HEAD :
+ case HTTP_POST :
+ case HTTP_PUT :
+ case HTTP_TRACE :
+ /*
+ * Parse incoming parameters until the status changes...
+ */
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdIsCGI(con=%p, filename=\"%s\", filestats=%p, type=%s/%s)\n",
- con, filename, filestats, type ? type->super : "unknown",
- type ? type->type : "unknown");
+ while ((status = httpUpdate(HTTP(con))) == HTTP_CONTINUE)
+ if (con->http.used == 0 ||
+ !memchr(con->http.buffer, '\n', con->http.used))
+ break;
- /*
- * Get the options, if any...
- */
+ if (status != HTTP_OK && status != HTTP_CONTINUE)
+ {
+ cupsdSendError(con, HTTP_BAD_REQUEST);
+ cupsdCloseClient(con);
+ return;
+ }
+ break;
- if ((options = strchr(con->uri, '?')) != NULL)
- options ++;
+ default :
+ break; /* Anti-compiler-warning-code */
+ }
/*
- * Check for known types...
+ * Handle new transfers...
*/
- if (!type || strcasecmp(type->super, "application"))
- {
- cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdIsCGI: Returning 0...");
- return (0);
- }
-
- if (!strcasecmp(type->type, "x-httpd-cgi") &&
- (filestats->st_mode & 0111))
+ if (status == HTTP_OK)
{
- /*
- * "application/x-httpd-cgi" is a CGI script.
- */
+ if (con->http.fields[HTTP_FIELD_ACCEPT_LANGUAGE][0])
+ {
+ /*
+ * Figure out the locale from the Accept-Language and Content-Type
+ * fields...
+ */
- cupsdSetString(&con->command, filename);
+ if ((ptr = strchr(con->http.fields[HTTP_FIELD_ACCEPT_LANGUAGE], ',')) != NULL)
+ *ptr = '\0';
- filename = strrchr(filename, '/') + 1; /* Filename always absolute */
+ if ((ptr = strchr(con->http.fields[HTTP_FIELD_ACCEPT_LANGUAGE], ';')) != NULL)
+ *ptr = '\0';
- if (options)
- cupsdSetStringf(&con->options, "%s %s", filename, options);
- else
- cupsdSetStringf(&con->options, "%s", filename);
+ if ((ptr = strstr(con->http.fields[HTTP_FIELD_CONTENT_TYPE], "charset=")) != NULL)
+ {
+ /*
+ * Combine language and charset, and trim any extra params in the
+ * content-type.
+ */
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdIsCGI: Returning 1 with command=\"%s\" and options=\"%s\"",
- con->command, con->options);
+ snprintf(locale, sizeof(locale), "%s.%s",
+ con->http.fields[HTTP_FIELD_ACCEPT_LANGUAGE], ptr + 8);
- return (1);
- }
-#ifdef HAVE_JAVA
- else if (!strcasecmp(type->type, "x-httpd-java"))
- {
- /*
- * "application/x-httpd-java" is a Java servlet.
- */
+ if ((ptr = strchr(locale, ',')) != NULL)
+ *ptr = '\0';
+ }
+ else
+ snprintf(locale, sizeof(locale), "%s.%s",
+ con->http.fields[HTTP_FIELD_ACCEPT_LANGUAGE], DefaultCharset);
- cupsdSetString(&con->command, CUPS_JAVA);
+ cupsdLogMessage(CUPSD_LOG_DEBUG,
+ "cupsdReadClient: %d Browser asked for language \"%s\"...",
+ con->http.fd, locale);
- if (options)
- cupsdSetStringf(&con->options, "java %s %s", filename, options);
+ con->language = cupsLangGet(locale);
+ }
else
- cupsdSetStringf(&con->options, "java %s", filename);
-
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdIsCGI: Returning 1 with command=\"%s\" and options=\"%s\"",
- con->command, con->options);
+ con->language = cupsLangGet(DefaultLocale);
- return (1);
- }
-#endif /* HAVE_JAVA */
-#ifdef HAVE_PERL
- else if (!strcasecmp(type->type, "x-httpd-perl"))
- {
- /*
- * "application/x-httpd-perl" is a Perl page.
- */
+ cupsdAuthorize(con);
- cupsdSetString(&con->command, CUPS_PERL);
+ if (!strncmp(con->http.fields[HTTP_FIELD_CONNECTION], "Keep-Alive", 10) &&
+ KeepAlive)
+ con->http.keep_alive = HTTP_KEEPALIVE_ON;
- if (options)
- cupsdSetStringf(&con->options, "perl %s %s", filename, options);
- else
- cupsdSetStringf(&con->options, "perl %s", filename);
+ if (!con->http.fields[HTTP_FIELD_HOST][0] &&
+ con->http.version >= HTTP_1_1)
+ {
+ /*
+ * HTTP/1.1 and higher require the "Host:" field...
+ */
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdIsCGI: Returning 1 with command=\"%s\" and options=\"%s\"",
- con->command, con->options);
+ if (!cupsdSendError(con, HTTP_BAD_REQUEST))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+ }
+ else if (con->operation == HTTP_OPTIONS)
+ {
+ /*
+ * Do OPTIONS command...
+ */
- return (1);
- }
-#endif /* HAVE_PERL */
-#ifdef HAVE_PHP
- else if (!strcasecmp(type->type, "x-httpd-php"))
- {
- /*
- * "application/x-httpd-php" is a PHP page.
- */
+ if (con->best && con->best->type != AUTH_NONE)
+ {
+ if (!cupsdSendHeader(con, HTTP_UNAUTHORIZED, NULL))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+ }
- cupsdSetString(&con->command, CUPS_PHP);
+ if (!strcasecmp(con->http.fields[HTTP_FIELD_CONNECTION], "Upgrade") &&
+ con->http.tls == NULL)
+ {
+#ifdef HAVE_SSL
+ /*
+ * Do encryption stuff...
+ */
- if (options)
- cupsdSetStringf(&con->options, "php %s %s", filename, options);
- else
- cupsdSetStringf(&con->options, "php %s", filename);
+ if (!cupsdSendHeader(con, HTTP_SWITCHING_PROTOCOLS, NULL))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdIsCGI: Returning 1 with command=\"%s\" and options=\"%s\"",
- con->command, con->options);
+ 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");
- return (1);
- }
-#endif /* HAVE_PHP */
-#ifdef HAVE_PYTHON
- else if (!strcasecmp(type->type, "x-httpd-python"))
- {
- /*
- * "application/x-httpd-python" is a Python page.
- */
+ if (cupsdFlushHeader(con) < 0)
+ {
+ cupsdCloseClient(con);
+ return;
+ }
- cupsdSetString(&con->command, CUPS_PYTHON);
+ if (!encrypt_client(con))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+#else
+ if (!cupsdSendError(con, HTTP_NOT_IMPLEMENTED))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+#endif /* HAVE_SSL */
+ }
- if (options)
- cupsdSetStringf(&con->options, "python %s %s", filename, options);
- else
- cupsdSetStringf(&con->options, "python %s", filename);
+ if (!cupsdSendHeader(con, HTTP_OK, NULL))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdIsCGI: Returning 1 with command=\"%s\" and options=\"%s\"",
- con->command, con->options);
+ httpPrintf(HTTP(con), "Allow: GET, HEAD, OPTIONS, POST, PUT\r\n");
+ httpPrintf(HTTP(con), "Content-Length: 0\r\n");
+ httpPrintf(HTTP(con), "\r\n");
- return (1);
- }
-#endif /* HAVE_PYTHON */
-
- cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdIsCGI: Returning 0...");
-
- return (0);
-}
-
-
-/*
- * 'cupsdReadClient()' - Read data from a client.
- */
-
-int /* O - 1 on success, 0 on error */
-cupsdReadClient(cupsd_client_t *con) /* I - Client to read from */
-{
- char line[32768], /* Line from client... */
- operation[64], /* Operation code from socket */
- version[64], /* HTTP version number string */
- locale[64], /* Locale */
- *ptr; /* Pointer into strings */
- int major, minor; /* HTTP version numbers */
- http_status_t status; /* Transfer status */
- ipp_state_t ipp_state; /* State of IPP transfer */
- int bytes; /* Number of bytes to POST */
- char *filename; /* Name of file for GET/HEAD */
- char buf[1024]; /* Buffer for real filename */
- struct stat filestats; /* File information */
- mime_type_t *type; /* MIME type of file */
- cupsd_printer_t *p; /* Printer */
- static unsigned request_id = 0; /* Request ID for temp files */
-
-
- status = HTTP_CONTINUE;
-
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdReadClient: %d, used=%d, file=%d state=%d",
- con->http.fd, con->http.used, con->file, con->http.state);
-
- if (con->http.error)
- {
- cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdReadClient: http error seen...");
- return (cupsdCloseClient(con));
- }
-
-#ifdef HAVE_SSL
- if (con->auto_ssl)
- {
- /*
- * Automatically check for a SSL/TLS handshake...
- */
-
- con->auto_ssl = 0;
-
- if (recv(con->http.fd, buf, 1, MSG_PEEK) == 1 &&
- (!buf[0] || !strchr("DGHOPT", buf[0])))
+ if (cupsdFlushHeader(con) < 0)
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+ }
+ else if (!is_path_absolute(con->uri))
{
/*
- * Encrypt this connection...
+ * Protect against malicious users!
*/
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdReadClient: Saw first byte %02X, auto-negotiating SSL/TLS session...",
- buf[0] & 255);
-
- cupsdEncryptClient(con);
- return (1);
+ if (!cupsdSendError(con, HTTP_FORBIDDEN))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
}
- }
-#endif /* HAVE_SSL */
-
- switch (con->http.state)
- {
- case HTTP_WAITING :
+ else
+ {
+ if (!strcasecmp(con->http.fields[HTTP_FIELD_CONNECTION], "Upgrade") &&
+ con->http.tls == NULL)
+ {
+#ifdef HAVE_SSL
/*
- * See if we've received a request line...
+ * Do encryption stuff...
*/
- if (httpGets(line, sizeof(line) - 1, HTTP(con)) == NULL)
+ if (!cupsdSendHeader(con, HTTP_SWITCHING_PROTOCOLS, NULL))
{
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdReadClient: httpGets returned EOF...");
- return (cupsdCloseClient(con));
+ cupsdCloseClient(con);
+ return;
}
- /*
- * Ignore blank request lines...
- */
-
- if (line[0] == '\0')
- break;
+ 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");
- /*
- * Clear other state variables...
- */
+ if (cupsdFlushHeader(con) < 0)
+ {
+ cupsdCloseClient(con);
+ return;
+ }
- httpClearFields(HTTP(con));
+ if (!encrypt_client(con))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+#else
+ if (!cupsdSendError(con, HTTP_NOT_IMPLEMENTED))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+#endif /* HAVE_SSL */
+ }
- con->http.activity = time(NULL);
- con->http.version = HTTP_1_0;
- con->http.keep_alive = HTTP_KEEPALIVE_OFF;
- con->http.data_encoding = HTTP_ENCODE_LENGTH;
- con->http.data_remaining = 0;
- con->http._data_remaining = 0;
- con->operation = HTTP_WAITING;
- con->bytes = 0;
- con->file = -1;
- con->file_ready = 0;
- con->pipe_pid = 0;
- con->username[0] = '\0';
- con->password[0] = '\0';
- con->uri[0] = '\0';
+ if ((status = cupsdIsAuthorized(con, NULL)) != HTTP_OK)
+ {
+ cupsdLogMessage(CUPSD_LOG_DEBUG2,
+ "cupsdReadClient: Unauthorized request for %s...\n",
+ con->uri);
+ cupsdSendError(con, status);
+ cupsdCloseClient(con);
+ return;
+ }
- cupsdClearString(&con->command);
- cupsdClearString(&con->options);
+ if (con->http.expect &&
+ (con->operation == HTTP_POST || con->operation == HTTP_PUT))
+ {
+ if (con->http.expect == HTTP_CONTINUE)
+ {
+ /*
+ * Send 100-continue header...
+ */
- if (con->language != NULL)
+ if (!cupsdSendHeader(con, HTTP_CONTINUE, NULL))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+ }
+ else
{
- cupsLangFree(con->language);
- con->language = NULL;
+ /*
+ * Send 417-expectation-failed header...
+ */
+
+ if (!cupsdSendHeader(con, HTTP_EXPECTATION_FAILED, NULL))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+
+ httpPrintf(HTTP(con), "Content-Length: 0\r\n");
+ httpPrintf(HTTP(con), "\r\n");
+
+ if (cupsdFlushHeader(con) < 0)
+ {
+ cupsdCloseClient(con);
+ return;
+ }
}
+ }
- /*
- * Grab the request line...
- */
+ switch (con->http.state)
+ {
+ case HTTP_GET_SEND :
+ if (!strncmp(con->uri, "/printers/", 10) &&
+ !strcmp(con->uri + strlen(con->uri) - 4, ".ppd"))
+ {
+ /*
+ * Send PPD file - get the real printer name since printer
+ * names are not case sensitive but filenames can be...
+ */
- 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));
- case 2 :
- con->http.version = HTTP_0_9;
- break;
- case 3 :
- if (sscanf(version, "HTTP/%d.%d", &major, &minor) != 2)
+ con->uri[strlen(con->uri) - 4] = '\0'; /* Drop ".ppd" */
+
+ if ((p = cupsdFindPrinter(con->uri + 10)) != NULL)
+ snprintf(con->uri, sizeof(con->uri), "/ppd/%s.ppd", p->name);
+ else
{
- cupsdLogMessage(CUPSD_LOG_ERROR,
- "Bad request line \"%s\" from %s!", line,
- con->http.hostname);
- cupsdSendError(con, HTTP_BAD_REQUEST);
- return (cupsdCloseClient(con));
+ if (!cupsdSendError(con, HTTP_NOT_FOUND))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+
+ break;
}
+ }
- if (major < 2)
+ 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 (!strncmp(con->uri, "/admin", 6))
{
- con->http.version = (http_version_t)(major * 100 + minor);
- if (con->http.version == HTTP_1_1 && KeepAlive)
- con->http.keep_alive = HTTP_KEEPALIVE_ON;
- else
- con->http.keep_alive = HTTP_KEEPALIVE_OFF;
+ cupsdSetStringf(&con->command, "%s/cgi-bin/admin.cgi",
+ ServerBin);
+
+ cupsdSetString(&con->options, strchr(con->uri + 6, '?'));
}
- else
+ else if (!strncmp(con->uri, "/printers", 9))
{
- cupsdSendError(con, HTTP_NOT_SUPPORTED);
- return (cupsdCloseClient(con));
+ cupsdSetStringf(&con->command, "%s/cgi-bin/printers.cgi",
+ ServerBin);
+
+ if (con->uri[9] && con->uri[10])
+ cupsdSetString(&con->options, con->uri + 9);
+ else
+ cupsdSetString(&con->options, NULL);
}
- break;
- }
+ else if (!strncmp(con->uri, "/classes", 8))
+ {
+ cupsdSetStringf(&con->command, "%s/cgi-bin/classes.cgi",
+ ServerBin);
- /*
- * Handle full URLs in the request line...
- */
+ if (con->uri[8] && con->uri[9])
+ cupsdSetString(&con->options, con->uri + 8);
+ else
+ cupsdSetString(&con->options, NULL);
+ }
+ else if (!strncmp(con->uri, "/jobs", 5))
+ {
+ cupsdSetStringf(&con->command, "%s/cgi-bin/jobs.cgi",
+ ServerBin);
- if (strcmp(con->uri, "*"))
- {
- char method[HTTP_MAX_URI], /* Method/scheme */
- userpass[HTTP_MAX_URI], /* Username:password */
- hostname[HTTP_MAX_URI], /* Hostname */
- resource[HTTP_MAX_URI]; /* Resource path */
- int port; /* Port number */
+ if (con->uri[5] && con->uri[6])
+ cupsdSetString(&con->options, con->uri + 5);
+ else
+ cupsdSetString(&con->options, NULL);
+ }
+ else
+ {
+ cupsdSetStringf(&con->command, "%s/cgi-bin/help.cgi",
+ ServerBin);
+ if (con->uri[5] && con->uri[6])
+ cupsdSetString(&con->options, con->uri + 5);
+ else
+ cupsdSetString(&con->options, NULL);
+ }
- /*
- * Separate the URI into its components...
- */
+ if (!cupsdSendCommand(con, con->command, con->options, 0))
+ {
+ if (!cupsdSendError(con, HTTP_NOT_FOUND))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+ }
+ else
+ cupsdLogRequest(con, HTTP_OK);
- httpSeparateURI(HTTP_URI_CODING_MOST, con->uri,
- method, sizeof(method),
- userpass, sizeof(userpass),
- hostname, sizeof(hostname), &port,
- resource, sizeof(resource));
+ if (con->http.version <= HTTP_1_0)
+ con->http.keep_alive = HTTP_KEEPALIVE_OFF;
+ }
+ else if ((!strncmp(con->uri, "/admin/conf/", 12) &&
+ (strchr(con->uri + 12, '/') ||
+ strlen(con->uri) == 12)) ||
+ (!strncmp(con->uri, "/admin/log/", 11) &&
+ (strchr(con->uri + 11, '/') ||
+ strlen(con->uri) == 11)))
+ {
+ /*
+ * GET can only be done to configuration files under
+ * /admin/conf...
+ */
+
+ if (!cupsdSendError(con, HTTP_FORBIDDEN))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+
+ break;
+ }
+ else
+ {
+ /*
+ * Serve a file...
+ */
+
+ if ((filename = get_file(con, &filestats, buf,
+ sizeof(buf))) == NULL)
+ {
+ if (!cupsdSendError(con, HTTP_NOT_FOUND))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+
+ break;
+ }
+
+ type = mimeFileType(MimeDatabase, filename, NULL, NULL);
+
+ if (is_cgi(con, filename, &filestats, type))
+ {
+ /*
+ * Note: con->command and con->options were set by
+ * is_cgi()...
+ */
+
+ if (!cupsdSendCommand(con, con->command, con->options, 0))
+ {
+ if (!cupsdSendError(con, HTTP_NOT_FOUND))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+ }
+ else
+ cupsdLogRequest(con, HTTP_OK);
+
+ if (con->http.version <= HTTP_1_0)
+ con->http.keep_alive = HTTP_KEEPALIVE_OFF;
+ break;
+ }
+
+ if (!check_if_modified(con, &filestats))
+ {
+ if (!cupsdSendError(con, HTTP_NOT_MODIFIED))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+ }
+ else
+ {
+ if (type == NULL)
+ strcpy(line, "text/plain");
+ else
+ snprintf(line, sizeof(line), "%s/%s", type->super, type->type);
+
+ if (!write_file(con, HTTP_OK, filename, line, &filestats))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+ }
+ }
+ break;
+
+ case HTTP_POST_RECV :
+ /*
+ * See if the POST request includes a Content-Length field, and if
+ * 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))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+
+ break;
+ }
+ else if (con->http.data_remaining < 0)
+ {
+ /*
+ * Negative content lengths are invalid!
+ */
+
+ if (!cupsdSendError(con, HTTP_BAD_REQUEST))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+
+ break;
+ }
+
+ /*
+ * See what kind of POST request this is; for IPP requests the
+ * content-type field will be "application/ipp"...
+ */
+
+ if (!strcmp(con->http.fields[HTTP_FIELD_CONTENT_TYPE],
+ "application/ipp"))
+ con->request = ippNew();
+ 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))
+ {
+ /*
+ * CGI request...
+ */
+
+ if (!strncmp(con->uri, "/admin", 6))
+ {
+ cupsdSetStringf(&con->command, "%s/cgi-bin/admin.cgi",
+ ServerBin);
+
+ cupsdSetString(&con->options, strchr(con->uri + 6, '?'));
+ }
+ else if (!strncmp(con->uri, "/printers", 9))
+ {
+ cupsdSetStringf(&con->command, "%s/cgi-bin/printers.cgi",
+ ServerBin);
+
+ if (con->uri[9] && con->uri[10])
+ cupsdSetString(&con->options, con->uri + 9);
+ else
+ cupsdSetString(&con->options, NULL);
+ }
+ else if (!strncmp(con->uri, "/classes", 8))
+ {
+ cupsdSetStringf(&con->command, "%s/cgi-bin/classes.cgi",
+ ServerBin);
+
+ if (con->uri[8] && con->uri[9])
+ cupsdSetString(&con->options, con->uri + 8);
+ else
+ cupsdSetString(&con->options, NULL);
+ }
+ else if (!strncmp(con->uri, "/jobs", 5))
+ {
+ cupsdSetStringf(&con->command, "%s/cgi-bin/jobs.cgi",
+ ServerBin);
+
+ if (con->uri[5] && con->uri[6])
+ cupsdSetString(&con->options, con->uri + 5);
+ else
+ cupsdSetString(&con->options, NULL);
+ }
+ else
+ {
+ cupsdSetStringf(&con->command, "%s/cgi-bin/help.cgi",
+ ServerBin);
+
+ if (con->uri[5] && con->uri[6])
+ cupsdSetString(&con->options, con->uri + 5);
+ else
+ 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;
+ }
+ else
+ {
+ /*
+ * POST to a file...
+ */
+
+ if ((filename = get_file(con, &filestats, buf,
+ sizeof(buf))) == NULL)
+ {
+ if (!cupsdSendError(con, HTTP_NOT_FOUND))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+
+ break;
+ }
+
+ type = mimeFileType(MimeDatabase, filename, NULL, NULL);
+
+ if (!is_cgi(con, filename, &filestats, type))
+ {
+ /*
+ * Only POST to CGI's...
+ */
+
+ if (!cupsdSendError(con, HTTP_UNAUTHORIZED))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+ }
+ }
+ break;
+
+ case HTTP_PUT_RECV :
+ /*
+ * Validate the resource name...
+ */
+
+ if (strncmp(con->uri, "/admin/conf/", 12) ||
+ strchr(con->uri + 12, '/') ||
+ strlen(con->uri) == 12)
+ {
+ /*
+ * PUT can only be done to configuration files under
+ * /admin/conf...
+ */
+
+ if (!cupsdSendError(con, HTTP_FORBIDDEN))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+
+ break;
+ }
+
+ /*
+ * See if the PUT request includes a Content-Length field, and if
+ * 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))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+
+ break;
+ }
+ else if (con->http.data_remaining < 0)
+ {
+ /*
+ * Negative content lengths are invalid!
+ */
+
+ if (!cupsdSendError(con, HTTP_BAD_REQUEST))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+
+ break;
+ }
+
+ /*
+ * Open a temporary file to hold the request...
+ */
+
+ 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)
+ {
+ if (!cupsdSendError(con, HTTP_REQUEST_TOO_LARGE))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+ }
+
+ fchmod(con->file, 0640);
+ fchown(con->file, RunUser, Group);
+ fcntl(con->file, F_SETFD, fcntl(con->file, F_GETFD) | FD_CLOEXEC);
+ break;
+
+ case HTTP_DELETE :
+ case HTTP_TRACE :
+ cupsdSendError(con, HTTP_NOT_IMPLEMENTED);
+ cupsdCloseClient(con);
+ return;
+
+ case HTTP_HEAD :
+ if (!strncmp(con->uri, "/printers/", 10) &&
+ !strcmp(con->uri + strlen(con->uri) - 4, ".ppd"))
+ {
+ /*
+ * Send PPD file - get the real printer name since printer
+ * names are not case sensitive but filenames can be...
+ */
+
+ con->uri[strlen(con->uri) - 4] = '\0'; /* Drop ".ppd" */
+
+ if ((p = cupsdFindPrinter(con->uri + 10)) != NULL)
+ snprintf(con->uri, sizeof(con->uri), "/ppd/%s.ppd", p->name);
+ else
+ {
+ if (!cupsdSendError(con, HTTP_NOT_FOUND))
+ {
+ 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))
+ {
+ /*
+ * CGI output...
+ */
+
+ if (!cupsdSendHeader(con, HTTP_OK, "text/html"))
+ {
+ 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, '/') ||
+ strlen(con->uri) == 12)) ||
+ (!strncmp(con->uri, "/admin/log/", 11) &&
+ (strchr(con->uri + 11, '/') ||
+ strlen(con->uri) == 11)))
+ {
+ /*
+ * HEAD can only be done to configuration files under
+ * /admin/conf...
+ */
+
+ if (!cupsdSendError(con, HTTP_FORBIDDEN))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+
+ break;
+ }
+ else if ((filename = get_file(con, &filestats, buf,
+ sizeof(buf))) == NULL)
+ {
+ if (!cupsdSendHeader(con, HTTP_NOT_FOUND, "text/html"))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+
+ cupsdLogRequest(con, HTTP_NOT_FOUND);
+ }
+ else if (!check_if_modified(con, &filestats))
+ {
+ if (!cupsdSendError(con, HTTP_NOT_MODIFIED))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+
+ cupsdLogRequest(con, HTTP_NOT_MODIFIED);
+ }
+ else
+ {
+ /*
+ * Serve a file...
+ */
+
+ type = mimeFileType(MimeDatabase, filename, NULL, NULL);
+ if (type == NULL)
+ strcpy(line, "text/plain");
+ else
+ snprintf(line, sizeof(line), "%s/%s", type->super, type->type);
+
+ if (!cupsdSendHeader(con, HTTP_OK, line))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+
+ if (httpPrintf(HTTP(con), "Last-Modified: %s\r\n",
+ httpGetDateString(filestats.st_mtime)) < 0)
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+
+ if (httpPrintf(HTTP(con), "Content-Length: %lu\r\n",
+ (unsigned long)filestats.st_size) < 0)
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+
+ cupsdLogRequest(con, HTTP_OK);
+ }
+
+ if (httpPrintf(HTTP(con), "\r\n") < 0)
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+
+ if (cupsdFlushHeader(con) < 0)
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+
+ con->http.state = HTTP_WAITING;
+ break;
+
+ default :
+ break; /* Anti-compiler-warning-code */
+ }
+ }
+ }
+
+ /*
+ * Handle any incoming data...
+ */
+
+ 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);
+
+ do
+ {
+ if ((bytes = httpRead2(HTTP(con), line, sizeof(line))) < 0)
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+ else if (bytes > 0)
+ {
+ 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)
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "cupsdReadClient: Unable to write %d bytes to %s: %s",
+ bytes, con->filename, strerror(errno));
+
+ cupsdLogMessage(CUPSD_LOG_DEBUG2,
+ "cupsdReadClient: Closing data file %d...",
+ con->file);
+
+ close(con->file);
+ con->file = -1;
+ unlink(con->filename);
+ cupsdClearString(&con->filename);
+
+ if (!cupsdSendError(con, HTTP_REQUEST_TOO_LARGE))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+ }
+ }
+ }
+ while (con->http.state == HTTP_PUT_RECV && con->http.used > 0);
+
+ if (con->http.state == HTTP_WAITING)
+ {
+ /*
+ * End of file, see how big it is...
+ */
+
+ 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;
+
+ if (filestats.st_size > MaxRequestSize &&
+ MaxRequestSize > 0)
+ {
+ /*
+ * 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))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+ }
+
+ /*
+ * Install the configuration file...
+ */
+
+ status = install_conf_file(con);
+
+ /*
+ * Return the status to the client...
+ */
+
+ if (!cupsdSendError(con, status))
+ {
+ 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);
+
+ do
+ {
+ if (con->request)
+ {
+ /*
+ * Grab any request data from the connection...
+ */
+
+ if ((ipp_state = ippRead(&(con->http), con->request)) == IPP_ERROR)
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "cupsdReadClient: %d IPP Read Error!",
+ con->http.fd);
+
+ cupsdSendError(con, HTTP_BAD_REQUEST);
+ cupsdCloseClient(con);
+ return;
+ }
+ else if (ipp_state != IPP_DATA)
+ {
+ if (con->http.state == HTTP_POST_SEND)
+ {
+ cupsdSendError(con, HTTP_BAD_REQUEST);
+ cupsdCloseClient(con);
+ return;
+ }
+
+ break;
+ }
+ else
+ con->bytes += ippLength(con->request);
+ }
+
+ if (con->file < 0 && con->http.state != HTTP_POST_SEND)
+ {
+ /*
+ * Create a file as needed for the request data...
+ */
+
+ cupsdSetStringf(&con->filename, "%s/%08x", RequestRoot, request_id ++);
+ con->file = open(con->filename, O_WRONLY | O_CREAT | O_TRUNC, 0640);
+
+ cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdReadClient: %d REQUEST %s=%d", con->http.fd,
+ con->filename, con->file);
+
+ if (con->file < 0)
+ {
+ if (!cupsdSendError(con, HTTP_REQUEST_TOO_LARGE))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+ }
- /*
- * Only allow URIs with the servername, localhost, or an IP
- * address...
- */
+ fchmod(con->file, 0640);
+ fchown(con->file, RunUser, Group);
+ fcntl(con->file, F_SETFD, fcntl(con->file, F_GETFD) | FD_CLOEXEC);
+ }
- if (strcmp(method, "file") &&
- strcasecmp(hostname, ServerName) &&
- strcasecmp(hostname, "localhost") &&
- !isdigit(hostname[0]))
+ if (con->http.state != HTTP_POST_SEND)
{
- /*
- * Nope, we don't do proxies...
- */
+ if ((bytes = httpRead2(HTTP(con), line, sizeof(line))) < 0)
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+ else if (bytes > 0)
+ {
+ con->bytes += bytes;
- cupsdLogMessage(CUPSD_LOG_ERROR, "Bad URI \"%s\" in request!",
- con->uri);
- cupsdSendError(con, HTTP_METHOD_NOT_ALLOWED);
- return (cupsdCloseClient(con));
- }
+ cupsdLogMessage(CUPSD_LOG_DEBUG2,
+ "cupsdReadClient: %d writing %d bytes to %d",
+ con->http.fd, bytes, con->file);
- /*
- * Copy the resource portion back into the URI; both resource and
- * con->uri are HTTP_MAX_URI bytes in size...
- */
+ 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));
- strcpy(con->uri, resource);
- }
+ cupsdLogMessage(CUPSD_LOG_DEBUG2,
+ "cupsdReadClient: Closing file %d...",
+ con->file);
- /*
- * Process the request...
- */
+ close(con->file);
+ con->file = -1;
+ unlink(con->filename);
+ cupsdClearString(&con->filename);
- if (!strcmp(operation, "GET"))
- con->http.state = HTTP_GET;
- else if (!strcmp(operation, "PUT"))
- con->http.state = HTTP_PUT;
- else if (!strcmp(operation, "POST"))
- con->http.state = HTTP_POST;
- else if (!strcmp(operation, "DELETE"))
- con->http.state = HTTP_DELETE;
- else if (!strcmp(operation, "TRACE"))
- con->http.state = HTTP_TRACE;
- else if (!strcmp(operation, "OPTIONS"))
- con->http.state = HTTP_OPTIONS;
- else if (!strcmp(operation, "HEAD"))
- con->http.state = HTTP_HEAD;
- else
+ if (!cupsdSendError(con, HTTP_REQUEST_TOO_LARGE))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+ }
+ }
+ else if (con->http.state == HTTP_POST_RECV)
+ return;
+ else if (con->http.state != HTTP_POST_SEND)
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+ }
+ }
+ while (con->http.state == HTTP_POST_RECV && con->http.used > 0);
+
+ if (con->http.state == HTTP_POST_SEND)
{
- cupsdLogMessage(CUPSD_LOG_ERROR, "Bad operation \"%s\"!", operation);
- cupsdSendError(con, HTTP_BAD_REQUEST);
- return (cupsdCloseClient(con));
+ if (con->file >= 0)
+ {
+ 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;
+
+ if (filestats.st_size > MaxRequestSize &&
+ MaxRequestSize > 0)
+ {
+ /*
+ * 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 (con->request)
+ {
+ /*
+ * Delete any IPP request data...
+ */
+
+ ippDelete(con->request);
+ con->request = NULL;
+ }
+
+ if (!cupsdSendError(con, HTTP_REQUEST_TOO_LARGE))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+ }
+
+ if (con->command)
+ {
+ if (!cupsdSendCommand(con, con->command, con->options, 0))
+ {
+ if (!cupsdSendError(con, HTTP_NOT_FOUND))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+ }
+ else
+ cupsdLogRequest(con, HTTP_OK);
+ }
+ }
+
+ if (con->request)
+ {
+ cupsdProcessIPPRequest(con);
+ return;
+ }
}
+ break;
+
+ default :
+ break; /* Anti-compiler-warning-code */
+ }
+
+ if (!con->http.keep_alive && con->http.state == HTTP_WAITING)
+ cupsdCloseClient(con);
+}
+
+
+/*
+ * 'cupsdSendCommand()' - Send output from a command via HTTP.
+ */
+
+int /* O - 1 on success, 0 on failure */
+cupsdSendCommand(
+ cupsd_client_t *con, /* I - Client connection */
+ char *command, /* I - Command to run */
+ char *options, /* I - Command-line options */
+ int root) /* I - Run as root? */
+{
+ int fd; /* Standard input file descriptor */
+
+
+ if (con->filename)
+ {
+ fd = open(con->filename, 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);
+ }
+
+ 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);
+
+ if (fd >= 0)
+ close(fd);
+
+ cupsdLogMessage(CUPSD_LOG_INFO, "Started \"%s\" (pid=%d)", command,
+ con->pipe_pid);
+
+ cupsdLogMessage(CUPSD_LOG_DEBUG, "cupsdSendCommand: %d file=%d",
+ con->http.fd, con->file);
+
+ if (con->pipe_pid == 0)
+ return (0);
+
+ fcntl(con->file, F_SETFD, fcntl(con->file, F_GETFD) | FD_CLOEXEC);
+
+ cupsdAddSelect(con->file, (cupsd_selfunc_t)cupsdWritePipe, NULL, con);
+
+ con->sent_header = 0;
+ con->file_ready = 0;
+ con->got_fields = 0;
+ con->field_col = 0;
+
+ return (1);
+}
+
+
+/*
+ * 'cupsdSendError()' - Send an error message via HTTP.
+ */
+
+int /* O - 1 if successful, 0 otherwise */
+cupsdSendError(cupsd_client_t *con, /* I - Connection */
+ http_status_t code) /* I - Error code */
+{
+#ifdef HAVE_SSL
+ /*
+ * Force client to upgrade for authentication if that is how the
+ * server is configured...
+ */
+
+ if (code == HTTP_UNAUTHORIZED &&
+ DefaultEncryption == HTTP_ENCRYPT_REQUIRED &&
+ strcasecmp(con->http.hostname, "localhost") &&
+ !con->http.tls)
+ {
+ cupsdLogMessage(CUPSD_LOG_DEBUG2,
+ "cupsdSendError: Encryption before authentication!");
+ code = HTTP_UPGRADE_REQUIRED;
+ }
+#endif /* HAVE_SSL */
+
+ /*
+ * Put the request in the access_log file...
+ */
+
+ cupsdLogRequest(con, code);
+
+ cupsdLogMessage(CUPSD_LOG_DEBUG, "cupsdSendError: %d code=%d (%s)",
+ con->http.fd, code, httpStatus(code));
+
+ /*
+ * To work around bugs in some proxies, don't use Keep-Alive for some
+ * error messages...
+ *
+ * Kerberos authentication doesn't work without Keep-Alive, so
+ * never disable it in that case.
+ */
+
+ if (code >= HTTP_BAD_REQUEST && con->http.auth_type != AUTH_KERBEROS)
+ con->http.keep_alive = HTTP_KEEPALIVE_OFF;
+
+ /*
+ * Send an error message back to the client. If the error code is a
+ * 400 or 500 series, make sure the message contains some text, too!
+ */
+
+ if (!cupsdSendHeader(con, code, NULL))
+ return (0);
+
+#ifdef HAVE_SSL
+ if (code == HTTP_UPGRADE_REQUIRED)
+ if (httpPrintf(HTTP(con), "Connection: Upgrade\r\n") < 0)
+ return (0);
+
+ if (httpPrintf(HTTP(con), "Upgrade: TLS/1.0,HTTP/1.1\r\n") < 0)
+ return (0);
+#endif /* HAVE_SSL */
+
+ 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);
+ }
+
+ if (code >= HTTP_BAD_REQUEST)
+ {
+ /*
+ * Send a human-readable error message.
+ */
+
+ char message[4096], /* Message for user */
+ urltext[1024], /* URL redirection text */
+ redirect[1024]; /* Redirection link */
+ const char *text; /* Status-specific text */
+
+
+ redirect[0] = '\0';
+
+ if (code == HTTP_UNAUTHORIZED)
+ text = _cupsLangString(con->language,
+ _("Enter your username and password or the "
+ "root username and password to access this "
+ "page. If you are using Kerberos authentication, "
+ "make sure you have a valid Kerberos ticket."));
+ else if (code == HTTP_UPGRADE_REQUIRED)
+ {
+ text = urltext;
+
+ snprintf(urltext, sizeof(urltext),
+ _cupsLangString(con->language,
+ _("You must access this page using the URL "
+ "<A HREF=\"https://%s:%d%s\">"
+ "https://%s:%d%s</A>.")),
+ con->servername, con->serverport, con->uri,
+ con->servername, con->serverport, con->uri);
+
+ snprintf(redirect, sizeof(redirect),
+ "<META HTTP-EQUIV=\"Refresh\" "
+ "CONTENT=\"3;URL=https://%s:%d%s\">\n",
+ con->servername, con->serverport, con->uri);
+ }
+ else
+ 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"
+ "<HTML>\n"
+ "<HEAD>\n"
+ "\t<META HTTP-EQUIV=\"Content-Type\" "
+ "CONTENT=\"text/html; charset=utf-8\">\n"
+ "\t<TITLE>%d %s</TITLE>\n"
+ "\t<LINK REL=\"STYLESHEET\" TYPE=\"text/css\" "
+ "HREF=\"/cups.css\">\n"
+ "%s"
+ "</HEAD>\n"
+ "<BODY>\n"
+ "<H1>%d %s</H1>\n"
+ "<P>%s</P>\n"
+ "</BODY>\n"
+ "</HTML>\n",
+ code, httpStatus(code), redirect, code, httpStatus(code), text);
- con->start = time(NULL);
- con->operation = con->http.state;
+ if (httpPrintf(HTTP(con), "Content-Type: text/html; charset=utf-8\r\n") < 0)
+ return (0);
+ if (httpPrintf(HTTP(con), "Content-Length: %d\r\n",
+ (int)strlen(message)) < 0)
+ return (0);
+ if (httpPrintf(HTTP(con), "\r\n") < 0)
+ return (0);
+ if (httpPrintf(HTTP(con), "%s", message) < 0)
+ return (0);
+ }
+ else if (httpPrintf(HTTP(con), "\r\n") < 0)
+ return (0);
- cupsdLogMessage(CUPSD_LOG_DEBUG, "cupsdReadClient: %d %s %s HTTP/%d.%d", con->http.fd,
- operation, con->uri,
- con->http.version / 100, con->http.version % 100);
+ if (cupsdFlushHeader(con) < 0)
+ return (0);
- con->http.status = HTTP_OK;
+ con->http.state = HTTP_WAITING;
- case HTTP_OPTIONS :
- case HTTP_DELETE :
- case HTTP_GET :
- case HTTP_HEAD :
- case HTTP_POST :
- case HTTP_PUT :
- case HTTP_TRACE :
- /*
- * Parse incoming parameters until the status changes...
- */
+ return (1);
+}
- status = httpUpdate(HTTP(con));
- if (status != HTTP_OK && status != HTTP_CONTINUE)
- {
- cupsdSendError(con, HTTP_BAD_REQUEST);
- return (cupsdCloseClient(con));
- }
- break;
+/*
+ * 'cupsdSendHeader()' - Send an HTTP request.
+ */
+
+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 */
+{
+ char auth_str[1024]; /* Authorization string */
- default :
- break; /* Anti-compiler-warning-code */
- }
/*
- * Handle new transfers...
+ * Send the HTTP status header...
*/
- if (status == HTTP_OK)
+ if (code == HTTP_CONTINUE)
{
- if (con->http.fields[HTTP_FIELD_ACCEPT_LANGUAGE][0])
- {
- /*
- * Figure out the locale from the Accept-Language and Content-Type
- * fields...
- */
-
- if ((ptr = strchr(con->http.fields[HTTP_FIELD_ACCEPT_LANGUAGE], ',')) != NULL)
- *ptr = '\0';
+ /*
+ * 100-continue doesn't send any headers...
+ */
- if ((ptr = strchr(con->http.fields[HTTP_FIELD_ACCEPT_LANGUAGE], ';')) != NULL)
- *ptr = '\0';
+ return (httpPrintf(HTTP(con), "HTTP/%d.%d 100 Continue\r\n\r\n",
+ con->http.version / 100, con->http.version % 100) > 0);
+ }
- if ((ptr = strstr(con->http.fields[HTTP_FIELD_CONTENT_TYPE], "charset=")) != NULL)
- {
- /*
- * Combine language and charset, and trim any extra params in the
- * content-type.
- */
+ httpFlushWrite(HTTP(con));
- snprintf(locale, sizeof(locale), "%s.%s",
- con->http.fields[HTTP_FIELD_ACCEPT_LANGUAGE], ptr + 8);
+ con->http.data_encoding = HTTP_ENCODE_FIELDS;
- if ((ptr = strchr(locale, ',')) != NULL)
- *ptr = '\0';
- }
- else
- snprintf(locale, sizeof(locale), "%s.%s",
- con->http.fields[HTTP_FIELD_ACCEPT_LANGUAGE], DefaultCharset);
-
- con->language = cupsLangGet(locale);
- }
- else
- con->language = cupsLangGet(DefaultLocale);
+ 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)
+ if (httpPrintf(HTTP(con), "Server: %s\r\n", ServerHeader) < 0)
+ return (0);
+ if (con->http.keep_alive && con->http.version >= HTTP_1_0)
+ {
+ if (httpPrintf(HTTP(con), "Connection: Keep-Alive\r\n") < 0)
+ return (0);
+ if (httpPrintf(HTTP(con), "Keep-Alive: timeout=%d\r\n",
+ KeepAliveTimeout) < 0)
+ return (0);
+ }
+ if (code == HTTP_METHOD_NOT_ALLOWED)
+ if (httpPrintf(HTTP(con), "Allow: GET, HEAD, OPTIONS, POST\r\n") < 0)
+ return (0);
- cupsdAuthorize(con);
+ if (code == HTTP_UNAUTHORIZED)
+ {
+ int auth_type; /* Authentication type */
- if (!strncmp(con->http.fields[HTTP_FIELD_CONNECTION], "Keep-Alive", 10) &&
- KeepAlive)
- con->http.keep_alive = HTTP_KEEPALIVE_ON;
- if (!con->http.fields[HTTP_FIELD_HOST][0] &&
- con->http.version >= HTTP_1_1)
- {
- /*
- * HTTP/1.1 and higher require the "Host:" field...
- */
+ if (!con->best || con->best->type == AUTH_NONE)
+ auth_type = DefaultAuthType;
+ else
+ auth_type = con->best->type;
- if (!cupsdSendError(con, HTTP_BAD_REQUEST))
- return (cupsdCloseClient(con));
- }
- else if (con->operation == HTTP_OPTIONS)
+ auth_str[0] = '\0';
+
+ if (auth_type == AUTH_BASIC || auth_type == AUTH_BASICDIGEST)
+ strlcpy(auth_str, "Basic realm=\"CUPS\"", sizeof(auth_str));
+ else if (auth_type == AUTH_DIGEST)
+ snprintf(auth_str, sizeof(auth_str), "Digest realm=\"CUPS\", nonce=\"%s\"",
+ con->http.hostname);
+#ifdef HAVE_GSSAPI
+ else if (auth_type == AUTH_KERBEROS && !con->no_negotiate &&
+ con->gss_output_token.length == 0)
+ strlcpy(auth_str, "Negotiate", sizeof(auth_str));
+#endif /* HAVE_GSSAPI */
+
+#ifdef HAVE_AUTHORIZATION_H
+ if (con->best)
{
- /*
- * Do OPTIONS command...
- */
-
- if (con->best && con->best->type != AUTH_NONE)
- {
- if (!cupsdSendHeader(con, HTTP_UNAUTHORIZED, NULL))
- return (cupsdCloseClient(con));
- }
-
- if (!strcasecmp(con->http.fields[HTTP_FIELD_CONNECTION], "Upgrade") &&
- con->http.tls == NULL)
- {
-#ifdef HAVE_SSL
- /*
- * Do encryption stuff...
- */
-
- if (!cupsdSendHeader(con, HTTP_SWITCHING_PROTOCOLS, NULL))
- return (cupsdCloseClient(con));
+ int i; /* Looping var */
+ char *auth_key; /* Auth key buffer */
+ size_t auth_size; /* Size of remaining buffer */
- httpPrintf(HTTP(con), "Connection: Upgrade\r\n");
- httpPrintf(HTTP(con), "Upgrade: TLS/1.0,HTTP/1.1\r\n");
- httpPrintf(HTTP(con), "Content-Length: 0\r\n");
- httpPrintf(HTTP(con), "\r\n");
- cupsdEncryptClient(con);
-#else
- if (!cupsdSendError(con, HTTP_NOT_IMPLEMENTED))
- return (cupsdCloseClient(con));
-#endif /* HAVE_SSL */
- }
+ auth_key = auth_str + strlen(auth_str);
+ auth_size = sizeof(auth_str) - (auth_key - auth_str);
- if (con->http.expect)
+ for (i = 0; i < con->best->num_names; i ++)
{
- /**** TODO: send expected header ****/
+ if (!strncasecmp(con->best->names[i], "@AUTHKEY(", 9))
+ {
+ snprintf(auth_key, auth_size, ", authkey=\"%s\"",
+ con->best->names[i] + 9);
+ /* end parenthesis is stripped in conf.c */
+ break;
+ }
+ else if (!strcasecmp(con->best->names[i], "@SYSTEM") &&
+ SystemGroupAuthKey)
+ {
+ snprintf(auth_key, auth_size, ", authkey=\"%s\"", SystemGroupAuthKey);
+ break;
+ }
}
-
- if (!cupsdSendHeader(con, HTTP_OK, NULL))
- return (cupsdCloseClient(con));
-
- httpPrintf(HTTP(con), "Allow: GET, HEAD, OPTIONS, POST, PUT\r\n");
- httpPrintf(HTTP(con), "Content-Length: 0\r\n");
- httpPrintf(HTTP(con), "\r\n");
- }
- else if (!is_path_absolute(con->uri))
- {
- /*
- * Protect against malicious users!
- */
-
- if (!cupsdSendError(con, HTTP_FORBIDDEN))
- return (cupsdCloseClient(con));
}
- else
- {
- if (!strcasecmp(con->http.fields[HTTP_FIELD_CONNECTION], "Upgrade") &&
- con->http.tls == NULL)
- {
-#ifdef HAVE_SSL
- /*
- * Do encryption stuff...
- */
-
- if (!cupsdSendHeader(con, HTTP_SWITCHING_PROTOCOLS, NULL))
- return (cupsdCloseClient(con));
+#endif /* HAVE_AUTHORIZATION_H */
- 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");
+ if (auth_str[0] &&
+ httpPrintf(HTTP(con), "WWW-Authenticate: %s\r\n", auth_str) < 0)
+ return (0);
+ }
- cupsdEncryptClient(con);
-#else
- if (!cupsdSendError(con, HTTP_NOT_IMPLEMENTED))
- return (cupsdCloseClient(con));
-#endif /* HAVE_SSL */
- }
+#ifdef HAVE_GSSAPI
+ /*
+ * WWW-Authenticate: Negotiate can be included even for
+ * non-401 replies...
+ */
- 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));
- }
+ if (con->gss_output_token.length > 0)
+ {
+ char buf[2048]; /* Output token buffer */
+ OM_uint32 minor_status; /* Minor status code */
- if (con->http.expect)
- {
- /**** TODO: send expected header ****/
- }
- switch (con->http.state)
- {
- case HTTP_GET_SEND :
- if (!strncmp(con->uri, "/printers/", 10) &&
- !strcmp(con->uri + strlen(con->uri) - 4, ".ppd"))
- {
- /*
- * Send PPD file - get the real printer name since printer
- * names are not case sensitive but filenames can be...
- */
+ httpEncode64_2(buf, sizeof(buf),
+ con->gss_output_token.value,
+ con->gss_output_token.length);
+ gss_release_buffer(&minor_status, &con->gss_output_token);
- con->uri[strlen(con->uri) - 4] = '\0'; /* Drop ".ppd" */
+ if (httpPrintf(HTTP(con), "WWW-Authenticate: Negotiate %s\r\n", buf) < 0)
+ return (0);
+ }
+#endif /* HAVE_GSSAPI */
- if ((p = cupsdFindPrinter(con->uri + 10)) != NULL)
- snprintf(con->uri, sizeof(con->uri), "/ppd/%s.ppd", p->name);
- else
- {
- if (!cupsdSendError(con, HTTP_NOT_FOUND))
- return (cupsdCloseClient(con));
+ if (con->language && strcmp(con->language->language, "C"))
+ {
+ if (httpPrintf(HTTP(con), "Content-Language: %s\r\n",
+ con->language->language) < 0)
+ return (0);
+ }
- break;
- }
- }
+ if (type)
+ {
+ if (!strcmp(type, "text/html"))
+ {
+ if (httpPrintf(HTTP(con),
+ "Content-Type: text/html; charset=utf-8\r\n") < 0)
+ return (0);
+ }
+ else if (httpPrintf(HTTP(con), "Content-Type: %s\r\n", type) < 0)
+ return (0);
+ }
- 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...
- */
+ return (1);
+}
- if (!strncmp(con->uri, "/admin", 6))
- {
- cupsdSetStringf(&con->command, "%s/cgi-bin/admin.cgi",
- ServerBin);
- if ((ptr = strchr(con->uri + 6, '?')) != NULL)
- cupsdSetStringf(&con->options, "admin%s", ptr);
- else
- cupsdSetString(&con->options, "admin");
- }
- else if (!strncmp(con->uri, "/printers", 9))
- {
- cupsdSetStringf(&con->command, "%s/cgi-bin/printers.cgi",
- ServerBin);
- cupsdSetString(&con->options, con->uri + 9);
- }
- else if (!strncmp(con->uri, "/classes", 8))
- {
- cupsdSetStringf(&con->command, "%s/cgi-bin/classes.cgi",
- ServerBin);
- cupsdSetString(&con->options, con->uri + 8);
- }
- else if (!strncmp(con->uri, "/jobs", 5))
- {
- cupsdSetStringf(&con->command, "%s/cgi-bin/jobs.cgi",
- ServerBin);
- cupsdSetString(&con->options, con->uri + 5);
- }
- else
- {
- cupsdSetStringf(&con->command, "%s/cgi-bin/help.cgi",
- ServerBin);
- cupsdSetString(&con->options, con->uri + 5);
- }
+/*
+ * 'cupsdUpdateCGI()' - Read status messages from CGI scripts and programs.
+ */
- if (con->options[0] == '/')
- _cups_strcpy(con->options, con->options + 1);
+void
+cupsdUpdateCGI(void)
+{
+ char *ptr, /* Pointer to end of line in buffer */
+ message[1024]; /* Pointer to message text */
+ int loglevel; /* Log level for message */
- if (!cupsdSendCommand(con, con->command, con->options, 0))
- {
- if (!cupsdSendError(con, HTTP_NOT_FOUND))
- return (cupsdCloseClient(con));
- }
- else
- cupsdLogRequest(con, HTTP_OK);
- if (con->http.version <= HTTP_1_0)
- con->http.keep_alive = HTTP_KEEPALIVE_OFF;
- }
- else if ((!strncmp(con->uri, "/admin/conf/", 12) &&
- (strchr(con->uri + 12, '/') ||
- strlen(con->uri) == 12)) ||
- (!strncmp(con->uri, "/admin/log/", 11) &&
- (strchr(con->uri + 11, '/') ||
- strlen(con->uri) == 11)))
- {
- /*
- * GET can only be done to configuration files under
- * /admin/conf...
- */
+ while ((ptr = cupsdStatBufUpdate(CGIStatusBuffer, &loglevel,
+ message, sizeof(message))) != NULL)
+ if (!strchr(CGIStatusBuffer->buffer, '\n'))
+ break;
- if (!cupsdSendError(con, HTTP_FORBIDDEN))
- return (cupsdCloseClient(con));
+ if (ptr == NULL && !CGIStatusBuffer->bufused)
+ {
+ /*
+ * Fatal error on pipe - should never happen!
+ */
- break;
- }
- else
- {
- /*
- * Serve a file...
- */
+ cupsdLogMessage(CUPSD_LOG_CRIT,
+ "cupsdUpdateCGI: error reading from CGI error pipe - %s",
+ strerror(errno));
+ }
+}
- if ((filename = get_file(con, &filestats, buf,
- sizeof(buf))) == NULL)
- {
- if (!cupsdSendError(con, HTTP_NOT_FOUND))
- return (cupsdCloseClient(con));
- break;
- }
+/*
+ * 'cupsdWriteClient()' - Write data to a client as needed.
+ */
- type = mimeFileType(MimeDatabase, filename, NULL, NULL);
+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 */
+ ipp_state_t ipp_state; /* IPP state value */
- if (cupsdIsCGI(con, filename, &filestats, type))
- {
- /*
- * Note: con->command and con->options were set by
- * cupsdIsCGI()...
- */
- if (!cupsdSendCommand(con, con->command, con->options, 0))
- {
- if (!cupsdSendError(con, HTTP_NOT_FOUND))
- return (cupsdCloseClient(con));
- }
- else
- cupsdLogRequest(con, HTTP_OK);
+#ifdef DEBUG
+ cupsdLogMessage(CUPSD_LOG_DEBUG2,
+ "cupsdWriteClient(con=%p) %d response=%p, file=%d "
+ "pipe_pid=%d state=%d",
+ con, con->http.fd, con->response, con->file, con->pipe_pid,
+ con->http.state);
+#endif /* DEBUG */
- if (con->http.version <= HTTP_1_0)
- con->http.keep_alive = HTTP_KEEPALIVE_OFF;
- break;
- }
+ if (con->http.state != HTTP_GET_SEND &&
+ con->http.state != HTTP_POST_SEND)
+ return;
- if (!check_if_modified(con, &filestats))
- {
- if (!cupsdSendError(con, HTTP_NOT_MODIFIED))
- return (cupsdCloseClient(con));
- }
- else
- {
- if (type == NULL)
- strcpy(line, "text/plain");
- else
- snprintf(line, sizeof(line), "%s/%s", type->super, type->type);
+ if (con->pipe_pid)
+ {
+ /*
+ * Make sure we select on the CGI output...
+ */
- if (!cupsdSendFile(con, HTTP_OK, filename, line, &filestats))
- return (cupsdCloseClient(con));
- }
- }
- break;
+ cupsdAddSelect(con->file, (cupsd_selfunc_t)cupsdWritePipe, NULL, con);
- case HTTP_POST_RECV :
- /*
- * See if the POST request includes a Content-Length field, and if
- * so check the length against any limits that are set...
- */
+ if (!con->file_ready)
+ {
+ /*
+ * Try again later when there is CGI output available...
+ */
- cupsdLogMessage(CUPSD_LOG_DEBUG2, "POST %s", con->uri);
- cupsdLogMessage(CUPSD_LOG_DEBUG2, "CONTENT_TYPE = %s",
- con->http.fields[HTTP_FIELD_CONTENT_TYPE]);
+ cupsdRemoveSelect(con->http.fd);
+ return;
+ }
- if (con->http.fields[HTTP_FIELD_CONTENT_LENGTH][0] &&
- MaxRequestSize > 0 &&
- con->http.data_remaining > MaxRequestSize)
- {
- /*
- * Request too large...
- */
+ con->file_ready = 0;
+ }
- if (!cupsdSendError(con, HTTP_REQUEST_TOO_LARGE))
- return (cupsdCloseClient(con));
+ if (con->response)
+ {
+ ipp_state = ippWrite(HTTP(con), con->response);
+ bytes = ipp_state != IPP_ERROR && ipp_state != IPP_DATA;
+ }
+ else if ((bytes = read(con->file, buf, sizeof(buf) - 1)) > 0)
+ {
+ cupsdLogMessage(CUPSD_LOG_DEBUG2,
+ "cupsdWriteClient: Read %d bytes from file %d...",
+ bytes, con->file);
- break;
- }
- else if (con->http.data_remaining < 0)
- {
- /*
- * Negative content lengths are invalid!
- */
+ if (con->pipe_pid && !con->got_fields)
+ {
+ /*
+ * Inspect the data for Content-Type and other fields.
+ */
- if (!cupsdSendError(con, HTTP_BAD_REQUEST))
- return (cupsdCloseClient(con));
+ buf[bytes] = '\0';
- break;
- }
+ for (bufptr = buf; !con->got_fields && *bufptr; bufptr ++)
+ if (*bufptr == '\n')
+ {
+ /*
+ * Send line to client...
+ */
- /*
- * See what kind of POST request this is; for IPP requests the
- * content-type field will be "application/ipp"...
+ if (bufptr > buf && bufptr[-1] == '\r')
+ bufptr[-1] = '\0';
+ *bufptr++ = '\0';
+
+ cupsdLogMessage(CUPSD_LOG_DEBUG2, "Script header: %s", buf);
+
+ if (!con->sent_header)
+ {
+ /*
+ * Handle redirection and CGI status codes...
*/
- if (!strcmp(con->http.fields[HTTP_FIELD_CONTENT_TYPE],
- "application/ipp"))
- con->request = ippNew();
- 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))
+ if (!strncasecmp(buf, "Location:", 9))
{
- /*
- * CGI request...
- */
+ cupsdSendHeader(con, HTTP_SEE_OTHER, NULL);
+ con->sent_header = 2;
- if (!strncmp(con->uri, "/admin", 6))
- {
- cupsdSetStringf(&con->command, "%s/cgi-bin/admin.cgi",
- ServerBin);
+ if (httpPrintf(HTTP(con), "Content-Length: 0\r\n") < 0)
+ return;
+ }
+ else if (!strncasecmp(buf, "Status:", 7))
+ {
+ cupsdSendError(con, (http_status_t)atoi(buf + 7));
+ con->sent_header = 2;
+ }
+ else
+ {
+ cupsdSendHeader(con, HTTP_OK, NULL);
+ con->sent_header = 1;
- if ((ptr = strchr(con->uri + 6, '?')) != NULL)
- cupsdSetStringf(&con->options, "admin%s", ptr);
- else
- cupsdSetString(&con->options, "admin");
- }
- else if (!strncmp(con->uri, "/printers", 9))
- {
- cupsdSetStringf(&con->command, "%s/cgi-bin/printers.cgi",
- ServerBin);
- cupsdSetString(&con->options, con->uri + 9);
- }
- else if (!strncmp(con->uri, "/classes", 8))
- {
- cupsdSetStringf(&con->command, "%s/cgi-bin/classes.cgi",
- ServerBin);
- cupsdSetString(&con->options, con->uri + 8);
- }
- else if (!strncmp(con->uri, "/jobs", 5))
+ if (con->http.version == HTTP_1_1)
{
- cupsdSetStringf(&con->command, "%s/cgi-bin/jobs.cgi",
- ServerBin);
- cupsdSetString(&con->options, con->uri + 5);
- }
- else
- {
- cupsdSetStringf(&con->command, "%s/cgi-bin/help.cgi",
- ServerBin);
- cupsdSetString(&con->options, con->uri + 5);
+ if (httpPrintf(HTTP(con), "Transfer-Encoding: chunked\r\n") < 0)
+ return;
}
+ }
+ }
+
+ if (strncasecmp(buf, "Status:", 7))
+ httpPrintf(HTTP(con), "%s\r\n", buf);
- if (con->options[0] == '/')
- _cups_strcpy(con->options, con->options + 1);
+ cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdWriteClient: %d %s",
+ con->http.fd, buf);
+
+ /*
+ * Update buffer...
+ */
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdReadClient: %d command=\"%s\", options = \"%s\"",
- con->http.fd, con->command, con->options);
+ bytes -= (bufptr - buf);
+ memmove(buf, bufptr, bytes + 1);
+ bufptr = buf - 1;
- if (con->http.version <= HTTP_1_0)
- con->http.keep_alive = HTTP_KEEPALIVE_OFF;
- }
- else
- {
- /*
- * POST to a file...
- */
+ /*
+ * See if the line was empty...
+ */
- if ((filename = get_file(con, &filestats, buf,
- sizeof(buf))) == NULL)
- {
- if (!cupsdSendError(con, HTTP_NOT_FOUND))
- return (cupsdCloseClient(con));
+ if (con->field_col == 0)
+ {
+ con->got_fields = 1;
- break;
- }
+ if (cupsdFlushHeader(con) < 0)
+ {
+ cupsdCloseClient(con);
+ return;
+ }
- type = mimeFileType(MimeDatabase, filename, NULL, NULL);
+ if (con->http.version == HTTP_1_1)
+ con->http.data_encoding = HTTP_ENCODE_CHUNKED;
+ }
+ else
+ con->field_col = 0;
+ }
+ else if (*bufptr != '\r')
+ con->field_col ++;
- if (!cupsdIsCGI(con, filename, &filestats, type))
- {
- /*
- * Only POST to CGI's...
- */
+ cupsdLogMessage(CUPSD_LOG_DEBUG2,
+ "cupsdWriteClient: %d bytes=%d, got_fields=%d",
+ con->http.fd, bytes, con->got_fields);
- if (!cupsdSendError(con, HTTP_UNAUTHORIZED))
- return (cupsdCloseClient(con));
- }
- }
- break;
+ if (bytes > 0 && !con->got_fields)
+ {
+ /*
+ * Remaining text needs to go out...
+ */
- case HTTP_PUT_RECV :
- /*
- * Validate the resource name...
- */
+ httpPrintf(HTTP(con), "%s", buf);
- if (strncmp(con->uri, "/admin/conf/", 12) ||
- strchr(con->uri + 12, '/') ||
- strlen(con->uri) == 12)
- {
- /*
- * PUT can only be done to configuration files under
- * /admin/conf...
- */
+ con->http.activity = time(NULL);
+ return;
+ }
+ else if (bytes == 0)
+ con->http.activity = time(NULL);
+ }
- if (!cupsdSendError(con, HTTP_FORBIDDEN))
- return (cupsdCloseClient(con));
+ if (bytes > 0)
+ {
+ if (httpWrite2(HTTP(con), buf, bytes) < 0)
+ {
+ cupsdLogMessage(CUPSD_LOG_DEBUG2,
+ "cupsdWriteClient: %d Write of %d bytes failed!",
+ con->http.fd, bytes);
- break;
- }
+ cupsdCloseClient(con);
+ return;
+ }
- /*
- * See if the PUT request includes a Content-Length field, and if
- * so check the length against any limits that are set...
- */
+ con->bytes += bytes;
- 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.state == HTTP_WAITING)
+ bytes = 0;
+ }
+ }
- if (con->http.fields[HTTP_FIELD_CONTENT_LENGTH][0] &&
- MaxRequestSize > 0 &&
- con->http.data_remaining > MaxRequestSize)
- {
- /*
- * Request too large...
- */
+ if (bytes <= 0)
+ {
+ cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdWriteClient: %d bytes < 0",
+ con->http.fd);
- if (!cupsdSendError(con, HTTP_REQUEST_TOO_LARGE))
- return (cupsdCloseClient(con));
+ cupsdLogRequest(con, HTTP_OK);
- break;
- }
- else if (con->http.data_remaining < 0)
- {
- /*
- * Negative content lengths are invalid!
- */
+ httpFlushWrite(HTTP(con));
- if (!cupsdSendError(con, HTTP_BAD_REQUEST))
- return (cupsdCloseClient(con));
+ if (con->http.data_encoding == HTTP_ENCODE_CHUNKED && con->sent_header == 1)
+ {
+ if (httpWrite2(HTTP(con), "", 0) < 0)
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+ }
- break;
- }
+ con->http.state = HTTP_WAITING;
- /*
- * Open a temporary file to hold the request...
- */
+ cupsdAddSelect(con->http.fd, (cupsd_selfunc_t)cupsdReadClient, NULL, con);
- cupsdSetStringf(&con->filename, "%s/%08x", RequestRoot,
- request_id ++);
- con->file = open(con->filename, O_WRONLY | O_CREAT | O_TRUNC, 0640);
+ if (con->file >= 0)
+ {
+ cupsdRemoveSelect(con->file);
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdReadClient: %d REQUEST %s=%d", con->http.fd,
- con->filename, con->file);
+ if (con->pipe_pid)
+ cupsdEndProcess(con->pipe_pid, 0);
- if (con->file < 0)
- {
- if (!cupsdSendError(con, HTTP_REQUEST_TOO_LARGE))
- return (cupsdCloseClient(con));
- }
+ cupsdLogMessage(CUPSD_LOG_DEBUG2,
+ "cupsdWriteClient: %d Closing data file %d.",
+ con->http.fd, con->file);
- fchmod(con->file, 0640);
- fchown(con->file, RunUser, Group);
- fcntl(con->file, F_SETFD, fcntl(con->file, F_GETFD) | FD_CLOEXEC);
- break;
+ close(con->file);
+ con->file = -1;
+ con->pipe_pid = 0;
+ }
- case HTTP_DELETE :
- case HTTP_TRACE :
- cupsdSendError(con, HTTP_NOT_IMPLEMENTED);
- return (cupsdCloseClient(con));
+ if (con->filename)
+ {
+ cupsdLogMessage(CUPSD_LOG_DEBUG2,
+ "cupsdWriteClient: %d Removing temp file %s",
+ con->http.fd, con->filename);
+ unlink(con->filename);
+ cupsdClearString(&con->filename);
+ }
- case HTTP_HEAD :
- if (!strncmp(con->uri, "/printers/", 10) &&
- !strcmp(con->uri + strlen(con->uri) - 4, ".ppd"))
- {
- /*
- * Send PPD file - get the real printer name since printer
- * names are not case sensitive but filenames can be...
- */
+ if (con->request)
+ {
+ ippDelete(con->request);
+ con->request = NULL;
+ }
- con->uri[strlen(con->uri) - 4] = '\0'; /* Drop ".ppd" */
+ if (con->response)
+ {
+ ippDelete(con->response);
+ con->response = NULL;
+ }
- if ((p = cupsdFindPrinter(con->uri + 10)) != NULL)
- snprintf(con->uri, sizeof(con->uri), "/ppd/%s.ppd", p->name);
- else
- {
- if (!cupsdSendError(con, HTTP_NOT_FOUND))
- return (cupsdCloseClient(con));
+ cupsdClearString(&con->command);
+ cupsdClearString(&con->options);
+ cupsdClearString(&con->query_string);
- break;
- }
- }
+ if (!con->http.keep_alive)
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+ }
- 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...
- */
+ con->http.activity = time(NULL);
+}
- if (!cupsdSendHeader(con, HTTP_OK, "text/html"))
- return (cupsdCloseClient(con));
- if (httpPrintf(HTTP(con), "\r\n") < 0)
- return (cupsdCloseClient(con));
+/*
+ * 'cupsdWritePipe()' - Flag that data is available on the CGI pipe.
+ */
- cupsdLogRequest(con, HTTP_OK);
- }
- else if ((!strncmp(con->uri, "/admin/conf/", 12) &&
- (strchr(con->uri + 12, '/') ||
- strlen(con->uri) == 12)) ||
- (!strncmp(con->uri, "/admin/log/", 11) &&
- (strchr(con->uri + 11, '/') ||
- strlen(con->uri) == 11)))
- {
- /*
- * HEAD can only be done to configuration files under
- * /admin/conf...
- */
+void
+cupsdWritePipe(cupsd_client_t *con) /* I - Client connection */
+{
+ cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdWritePipe: CGI output on fd %d...",
+ con->file);
- if (!cupsdSendError(con, HTTP_FORBIDDEN))
- return (cupsdCloseClient(con));
+ con->file_ready = 1;
- break;
- }
- else if ((filename = get_file(con, &filestats, buf,
- sizeof(buf))) == NULL)
- {
- if (!cupsdSendHeader(con, HTTP_NOT_FOUND, "text/html"))
- return (cupsdCloseClient(con));
+ cupsdRemoveSelect(con->file);
+ cupsdAddSelect(con->http.fd, NULL, (cupsd_selfunc_t)cupsdWriteClient, con);
+}
- cupsdLogRequest(con, HTTP_NOT_FOUND);
- }
- else if (!check_if_modified(con, &filestats))
- {
- if (!cupsdSendError(con, HTTP_NOT_MODIFIED))
- return (cupsdCloseClient(con));
- cupsdLogRequest(con, HTTP_NOT_MODIFIED);
- }
- else
- {
- /*
- * Serve a file...
- */
+/*
+ * 'check_if_modified()' - Decode an "If-Modified-Since" line.
+ */
- type = mimeFileType(MimeDatabase, filename, NULL, NULL);
- if (type == NULL)
- strcpy(line, "text/plain");
- else
- snprintf(line, sizeof(line), "%s/%s", type->super, type->type);
+static int /* O - 1 if modified since */
+check_if_modified(
+ cupsd_client_t *con, /* I - Client connection */
+ struct stat *filestats) /* I - File information */
+{
+ char *ptr; /* Pointer into field */
+ time_t date; /* Time/date value */
+ off_t size; /* Size/length value */
- if (!cupsdSendHeader(con, HTTP_OK, line))
- return (cupsdCloseClient(con));
- if (httpPrintf(HTTP(con), "Last-Modified: %s\r\n",
- httpGetDateString(filestats.st_mtime)) < 0)
- return (cupsdCloseClient(con));
+ size = 0;
+ date = 0;
+ ptr = con->http.fields[HTTP_FIELD_IF_MODIFIED_SINCE];
- if (httpPrintf(HTTP(con), "Content-Length: %lu\r\n",
- (unsigned long)filestats.st_size) < 0)
- return (cupsdCloseClient(con));
+ if (*ptr == '\0')
+ return (1);
- cupsdLogRequest(con, HTTP_OK);
- }
+ cupsdLogMessage(CUPSD_LOG_DEBUG2,
+ "check_if_modified: %d If-Modified-Since=\"%s\"",
+ con->http.fd, ptr);
- if (httpPrintf(HTTP(con), "\r\n") < 0)
- return (cupsdCloseClient(con));
+ while (*ptr != '\0')
+ {
+ while (isspace(*ptr) || *ptr == ';')
+ ptr ++;
- con->http.state = HTTP_WAITING;
- break;
+ if (strncasecmp(ptr, "length=", 7) == 0)
+ {
+ ptr += 7;
+ size = strtoll(ptr, NULL, 10);
- default :
- break; /* Anti-compiler-warning-code */
- }
+ while (isdigit(*ptr))
+ ptr ++;
+ }
+ else if (isalpha(*ptr))
+ {
+ date = httpGetDateTime(ptr);
+ while (*ptr != '\0' && *ptr != ';')
+ ptr ++;
}
+ else
+ ptr ++;
}
- /*
- * Handle any incoming data...
- */
-
- 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);
+ 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);
- if ((bytes = httpRead2(HTTP(con), line, sizeof(line))) < 0)
- return (cupsdCloseClient(con));
- else if (bytes > 0)
- {
- con->bytes += bytes;
+ return ((size != filestats->st_size && size != 0) ||
+ (date < filestats->st_mtime && date != 0) ||
+ (size == 0 && date == 0));
+}
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdReadClient: %d writing %d bytes to %d",
- con->http.fd, bytes, 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));
+#ifdef HAVE_SSL
+/*
+ * 'encrypt_client()' - Enable encryption for the client...
+ */
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdReadClient: Closing data file %d...",
- con->file);
+static int /* O - 1 on success, 0 on error */
+encrypt_client(cupsd_client_t *con) /* I - Client to encrypt */
+{
+# ifdef HAVE_LIBSSL
+ SSL_CTX *context; /* Context for encryption */
+ SSL *conn; /* Connection for encryption */
+ BIO *bio; /* BIO data */
+ unsigned long error; /* Error code */
- close(con->file);
- con->file = -1;
- unlink(con->filename);
- cupsdClearString(&con->filename);
- if (!cupsdSendError(con, HTTP_REQUEST_TOO_LARGE))
- return (cupsdCloseClient(con));
- }
- }
+ /*
+ * Verify that we have a certificate...
+ */
- if (con->http.state == HTTP_WAITING)
- {
- /*
- * End of file, see how big it is...
- */
+ if (access(ServerKey, 0) || access(ServerCertificate, 0))
+ {
+ /*
+ * Nope, make a self-signed certificate...
+ */
- fstat(con->file, &filestats);
+ if (!make_certificate(con))
+ return (0);
+ }
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdReadClient: %d Closing data file %d, size="
- CUPS_LLFMT ".",
- con->http.fd, con->file,
- CUPS_LLCAST filestats.st_size);
+ /*
+ * Create the SSL context and accept the connection...
+ */
- close(con->file);
- con->file = -1;
+ context = SSL_CTX_new(SSLv23_server_method());
- if (filestats.st_size > MaxRequestSize &&
- MaxRequestSize > 0)
- {
- /*
- * Request is too big; remove it and send an error...
- */
+ SSL_CTX_set_options(context, SSL_OP_NO_SSLv2); /* Only use SSLv3 or TLS */
+ SSL_CTX_use_PrivateKey_file(context, ServerKey, SSL_FILETYPE_PEM);
+ SSL_CTX_use_certificate_file(context, ServerCertificate, SSL_FILETYPE_PEM);
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdReadClient: %d Removing temp file %s",
- con->http.fd, con->filename);
- unlink(con->filename);
- cupsdClearString(&con->filename);
+ bio = BIO_new(_httpBIOMethods());
+ BIO_ctrl(bio, BIO_C_SET_FILE_PTR, 0, (char *)HTTP(con));
- if (!cupsdSendError(con, HTTP_REQUEST_TOO_LARGE))
- return (cupsdCloseClient(con));
- }
+ conn = SSL_new(context);
+ SSL_set_bio(conn, bio, bio);
- /*
- * Install the configuration file...
- */
+ if (SSL_accept(conn) != 1)
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "encrypt_client: Unable to encrypt connection from %s!",
+ con->http.hostname);
- status = install_conf_file(con);
+ while ((error = ERR_get_error()) != 0)
+ cupsdLogMessage(CUPSD_LOG_ERROR, "encrypt_client: %s",
+ ERR_error_string(error, NULL));
- /*
- * Return the status to the client...
- */
+ SSL_CTX_free(context);
+ SSL_free(conn);
+ return (0);
+ }
- if (!cupsdSendError(con, status))
- return (cupsdCloseClient(con));
- }
- break;
+ cupsdLogMessage(CUPSD_LOG_DEBUG,
+ "encrypt_client: %d Connection from %s now encrypted.",
+ con->http.fd, con->http.hostname);
- 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);
+ con->http.tls = conn;
+ return (1);
- if (con->request != NULL)
- {
- /*
- * Grab any request data from the connection...
- */
+# elif defined(HAVE_GNUTLS)
+ http_tls_t *conn; /* TLS session object */
+ int error; /* Error code */
+ gnutls_certificate_server_credentials *credentials;
+ /* TLS credentials */
- if ((ipp_state = ippRead(&(con->http), con->request)) == IPP_ERROR)
- {
- cupsdLogMessage(CUPSD_LOG_ERROR,
- "cupsdReadClient: %d IPP Read Error!",
- con->http.fd);
- cupsdSendError(con, HTTP_BAD_REQUEST);
- return (cupsdCloseClient(con));
- }
- else if (ipp_state != IPP_DATA)
- {
- if (con->http.state == HTTP_POST_SEND)
- {
- cupsdSendError(con, HTTP_BAD_REQUEST);
- return (cupsdCloseClient(con));
- }
+ /*
+ * Verify that we have a certificate...
+ */
- break;
- }
- else
- con->bytes += ippLength(con->request);
- }
+ if (access(ServerKey, 0) || access(ServerCertificate, 0))
+ {
+ /*
+ * Nope, make a self-signed certificate...
+ */
- if (con->file < 0 && con->http.state != HTTP_POST_SEND)
- {
- /*
- * Create a file as needed for the request data...
- */
+ if (!make_certificate(con))
+ return (0);
+ }
- cupsdSetStringf(&con->filename, "%s/%08x", RequestRoot, request_id ++);
- con->file = open(con->filename, O_WRONLY | O_CREAT | O_TRUNC, 0640);
+ /*
+ * Create the SSL object and perform the SSL handshake...
+ */
- cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdReadClient: %d REQUEST %s=%d", con->http.fd,
- con->filename, con->file);
+ conn = (http_tls_t *)malloc(sizeof(http_tls_t));
- if (con->file < 0)
- {
- if (!cupsdSendError(con, HTTP_REQUEST_TOO_LARGE))
- return (cupsdCloseClient(con));
- }
+ if (conn == NULL)
+ return (0);
- fchmod(con->file, 0640);
- fchown(con->file, RunUser, Group);
- fcntl(con->file, F_SETFD, fcntl(con->file, F_GETFD) | FD_CLOEXEC);
- }
+ 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));
- if (con->http.state != HTTP_POST_SEND)
- {
- if ((bytes = httpRead2(HTTP(con), line, sizeof(line))) < 0)
- return (cupsdCloseClient(con));
- else if (bytes > 0)
- {
- con->bytes += bytes;
+ free(conn);
+ return (0);
+ }
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdReadClient: %d writing %d bytes to %d",
- con->http.fd, bytes, con->file);
+ gnutls_certificate_allocate_credentials(credentials);
+ gnutls_certificate_set_x509_key_file(*credentials, ServerCertificate,
+ ServerKey, GNUTLS_X509_FMT_PEM);
- 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));
+ 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)HTTP(con));
+ gnutls_transport_set_pull_function(conn->session, _httpReadGNUTLS);
+ gnutls_transport_set_push_function(conn->session, _httpWriteGNUTLS);
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdReadClient: Closing file %d...",
- con->file);
+ error = gnutls_handshake(conn->session);
- close(con->file);
- con->file = -1;
- unlink(con->filename);
- cupsdClearString(&con->filename);
+ 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));
- if (!cupsdSendError(con, HTTP_REQUEST_TOO_LARGE))
- return (cupsdCloseClient(con));
- }
- }
- else if (con->http.state == HTTP_POST_RECV)
- return (1); /* ??? */
- else if (con->http.state != HTTP_POST_SEND)
- return (cupsdCloseClient(con));
- }
+ gnutls_deinit(conn->session);
+ gnutls_certificate_free_credentials(*credentials);
+ free(conn);
+ free(credentials);
+ return (0);
+ }
- if (con->http.state == HTTP_POST_SEND)
- {
- if (con->file >= 0)
- {
- fstat(con->file, &filestats);
+ cupsdLogMessage(CUPSD_LOG_DEBUG,
+ "encrypt_client: %d Connection from %s now encrypted.",
+ con->http.fd, con->http.hostname);
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdReadClient: %d Closing data file %d, "
- "size=" CUPS_LLFMT ".",
- con->http.fd, con->file,
- CUPS_LLCAST filestats.st_size);
+ conn->credentials = credentials;
+ con->http.tls = conn;
+ return (1);
- close(con->file);
- con->file = -1;
+# elif defined(HAVE_CDSASSL)
+ OSStatus error; /* Error code */
+ http_tls_t *conn; /* CDSA connection information */
- if (filestats.st_size > MaxRequestSize &&
- MaxRequestSize > 0)
- {
- /*
- * 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 ((conn = (http_tls_t *)malloc(sizeof(http_tls_t))) == NULL)
+ return (0);
- if (con->request)
- {
- /*
- * Delete any IPP request data...
- */
+ error = 0;
+ conn->session = NULL;
+ conn->certsArray = get_cdsa_certificate(con);
- ippDelete(con->request);
- con->request = NULL;
- }
+ if (!conn->certsArray)
+ {
+ /*
+ * No keychain (yet), make a self-signed certificate...
+ */
- if (!cupsdSendError(con, HTTP_REQUEST_TOO_LARGE))
- return (cupsdCloseClient(con));
- }
+ if (make_certificate(con))
+ conn->certsArray = get_cdsa_certificate(con);
+ }
- if (con->command)
- {
- if (!cupsdSendCommand(con, con->command, con->options, 0))
- {
- if (!cupsdSendError(con, HTTP_NOT_FOUND))
- return (cupsdCloseClient(con));
- }
- else
- cupsdLogRequest(con, HTTP_OK);
- }
- }
+ if (!conn->certsArray)
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "encrypt_client: Could not find signing key in keychain "
+ "\"%s\"", ServerCertificate);
+ error = errSSLBadCert; /* errSSLBadConfiguration is a better choice, but not available on 10.2.x */
+ }
- if (con->request)
- return (cupsdProcessIPPRequest(con));
- }
- break;
+ if (!error)
+ error = SSLNewContext(true, &conn->session);
- default :
- break; /* Anti-compiler-warning-code */
- }
+ if (!error)
+ error = SSLSetIOFuncs(conn->session, _httpReadCDSA, _httpWriteCDSA);
- if (!con->http.keep_alive && con->http.state == HTTP_WAITING)
- return (cupsdCloseClient(con));
- else
- return (1);
-}
+ if (!error)
+ error = SSLSetProtocolVersionEnabled(conn->session, kSSLProtocol2, false);
+ if (!error)
+ error = SSLSetConnection(conn->session, HTTP(con));
-/*
- * 'cupsdSendCommand()' - Send output from a command via HTTP.
- */
+ if (!error)
+ error = SSLSetAllowsExpiredCerts(conn->session, true);
-int /* O - 1 on success, 0 on failure */
-cupsdSendCommand(
- cupsd_client_t *con, /* I - Client connection */
- char *command, /* I - Command to run */
- char *options, /* I - Command-line options */
- int root) /* I - Run as root? */
-{
- int fd; /* Standard input file descriptor */
+ if (!error)
+ error = SSLSetAllowsAnyRoot(conn->session, true);
+ if (!error)
+ error = SSLSetCertificate(conn->session, conn->certsArray);
- if (con->filename)
- fd = open(con->filename, O_RDONLY);
- else
- fd = open("/dev/null", O_RDONLY);
+ if (!error)
+ {
+ /*
+ * Perform SSL/TLS handshake
+ */
- if (fd < 0)
+ while ((error = SSLHandshake(conn->session)) == errSSLWouldBlock)
+ usleep(1000);
+ }
+
+ if (error)
{
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);
- }
+ "encrypt_client: Unable to encrypt connection from %s!",
+ con->http.hostname);
- fcntl(fd, F_SETFD, fcntl(fd, F_GETFD) | FD_CLOEXEC);
+ cupsdLogMessage(CUPSD_LOG_ERROR, "encrypt_client: %s (%d)",
+ cssmErrorString(error), (int)error);
- con->pipe_pid = pipe_command(con, fd, &(con->file), command, options, root);
+ con->http.error = error;
+ con->http.status = HTTP_ERROR;
- close(fd);
+ if (conn->session)
+ SSLDisposeContext(conn->session);
- cupsdLogMessage(CUPSD_LOG_INFO, "Started \"%s\" (pid=%d)", command,
- con->pipe_pid);
+ if (conn->certsArray)
+ CFRelease(conn->certsArray);
- cupsdLogMessage(CUPSD_LOG_DEBUG, "cupsdSendCommand: %d file=%d",
- con->http.fd, con->file);
+ free(conn);
- if (con->pipe_pid == 0)
return (0);
+ }
- 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);
-
- con->sent_header = 0;
- con->file_ready = 0;
- con->got_fields = 0;
- con->field_col = 0;
+ cupsdLogMessage(CUPSD_LOG_DEBUG,
+ "encrypt_client: %d Connection from %s now encrypted.",
+ con->http.fd, con->http.hostname);
+ con->http.tls = conn;
return (1);
+
+# endif /* HAVE_LIBSSL */
}
+#endif /* HAVE_SSL */
+#ifdef HAVE_CDSASSL
/*
- * 'cupsdSendError()' - Send an error message via HTTP.
+ * 'get_cdsa_certificate()' - Get a SSL/TLS certificate from the System keychain.
*/
-int /* O - 1 if successful, 0 otherwise */
-cupsdSendError(cupsd_client_t *con, /* I - Connection */
- http_status_t code) /* I - Error code */
+static CFArrayRef /* O - Array of certificates */
+get_cdsa_certificate(cupsd_client_t *con) /* I - Client connection */
{
- /*
- * Put the request in the access_log file...
- */
+ OSStatus err; /* Error info */
+ SecKeychainRef keychain; /* Keychain reference */
+ SecIdentitySearchRef search; /* Search reference */
+ SecIdentityRef identity; /* Identity */
+ CFArrayRef certificates = NULL;
+ /* Certificate array */
- cupsdLogRequest(con, code);
- cupsdLogMessage(CUPSD_LOG_DEBUG, "cupsdSendError: %d code=%d (%s)",
- con->http.fd, code, httpStatus(code));
+ if ((err = SecKeychainOpen(ServerCertificate, &keychain)))
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR, "Cannot open keychain \"%s\", %s",
+ ServerCertificate, cssmErrorString(err));
+ return (NULL);
+ }
+# if HAVE_SECIDENTITYSEARCHCREATEWITHPOLICY
/*
- * To work around bugs in some proxies, don't use Keep-Alive for some
- * error messages...
+ * Use a policy to search for valid certificates who's common name matches the
+ * servername...
*/
- if (code >= HTTP_BAD_REQUEST)
- con->http.keep_alive = HTTP_KEEPALIVE_OFF;
+ SecPolicySearchRef policy_search; /* Policy search ref */
+ SecPolicyRef policy; /* Policy ref */
+ CSSM_DATA options; /* Policy options */
+ CSSM_APPLE_TP_SSL_OPTIONS
+ ssl_options; /* SSL Option for hostname */
- /*
- * Send an error message back to the client. If the error code is a
- * 400 or 500 series, make sure the message contains some text, too!
- */
- if (!cupsdSendHeader(con, code, NULL))
- return (0);
+ if ((err = SecPolicySearchCreate(CSSM_CERT_X_509v3, &CSSMOID_APPLE_TP_SSL,
+ NULL, &policy_search)))
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR, "Cannot create a policy search reference");
+ CFRelease(keychain);
+ return (NULL);
+ }
-#ifdef HAVE_SSL
- if (code == HTTP_UPGRADE_REQUIRED)
- if (httpPrintf(HTTP(con), "Connection: Upgrade\r\n") < 0)
- return (0);
+ if ((err = SecPolicySearchCopyNext(policy_search, &policy)))
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "Cannot find a policy to use for searching");
+ CFRelease(keychain);
+ CFRelease(policy_search);
+ return (NULL);
+ }
- if (httpPrintf(HTTP(con), "Upgrade: TLS/1.0,HTTP/1.1\r\n") < 0)
- return (0);
-#endif /* HAVE_SSL */
+ memset(&ssl_options, 0, sizeof(ssl_options));
+ ssl_options.Version = CSSM_APPLE_TP_SSL_OPTS_VERSION;
+ ssl_options.ServerName = con->servername;
+ ssl_options.ServerNameLen = strlen(con->servername);
+
+ options.Data = (uint8 *)&ssl_options;
+ options.Length = sizeof(ssl_options);
- if ((con->http.version >= HTTP_1_1 && !con->http.keep_alive) ||
- (code >= HTTP_BAD_REQUEST && code != HTTP_UPGRADE_REQUIRED))
+ if ((err = SecPolicySetValue(policy, &options)))
{
- if (httpPrintf(HTTP(con), "Connection: close\r\n") < 0)
- return (0);
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "Cannot set policy value to use for searching");
+ CFRelease(keychain);
+ CFRelease(policy_search);
+ return (NULL);
}
- if (code >= HTTP_BAD_REQUEST)
- {
- /*
- * Send a human-readable error message.
- */
+ err = SecIdentitySearchCreateWithPolicy(policy, NULL, CSSM_KEYUSE_SIGN,
+ keychain, FALSE, &search);
+# else
+ /*
+ * Assume there is exactly one SecIdentity in the keychain...
+ */
- char message[1024]; /* Message for user */
- const char *text; /* Status-specific text */
+ err = SecIdentitySearchCreate(keychain, CSSM_KEYUSE_SIGN, &search);
+# endif /* HAVE_SECIDENTITYSEARCHCREATEWITHPOLICY */
- if (code == HTTP_UNAUTHORIZED)
- text = _cupsLangString(con->language,
- _("Enter your username and password or the "
- "root username and password to access this "
- "page."));
- else if (code == HTTP_UPGRADE_REQUIRED)
- text = _cupsLangString(con->language,
- _("You must use a https: URL to access this "
- "page."));
+ if (err)
+ cupsdLogMessage(CUPSD_LOG_DEBUG,
+ "Cannot create keychain search reference: %s",
+ cssmErrorString(err));
+ else
+ {
+ if ((err = SecIdentitySearchCopyNext(search, &identity)))
+ {
+ cupsdLogMessage(CUPSD_LOG_DEBUG,
+ "Cannot find signing key in keychain \"%s\", error %d",
+ ServerCertificate, (int)err);
+ }
else
- text = "";
+ {
+ if (CFGetTypeID(identity) != SecIdentityGetTypeID())
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "SecIdentitySearchCopyNext CFTypeID failure!");
+ else
+ {
+ if ((certificates = CFArrayCreate(NULL, (const void **)&identity,
+ 1, &kCFTypeArrayCallBacks)) == NULL)
+ cupsdLogMessage(CUPSD_LOG_ERROR, "Cannot create certificate array");
+ }
- snprintf(message, sizeof(message),
- "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0 Transitional//EN\" "
- "\"http://www.w3.org/TR/REC-html40/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<LINK REL=\"STYLESHEET\" TYPE=\"text/css\" "
- "HREF=\"/cups.css\">\n"
- "</HEAD>\n"
- "<BODY>\n"
- "<H1>%d %s</H1>\n"
- "<P>%s</P>\n"
- "</BODY>\n"
- "</HTML>\n",
- code, httpStatus(code), code, httpStatus(code), text);
+ CFRelease(identity);
+ }
- if (httpPrintf(HTTP(con), "Content-Type: text/html; charset=utf-8\r\n") < 0)
- return (0);
- if (httpPrintf(HTTP(con), "Content-Length: %d\r\n",
- (int)strlen(message)) < 0)
- return (0);
- if (httpPrintf(HTTP(con), "\r\n") < 0)
- return (0);
- if (httpPrintf(HTTP(con), "%s", message) < 0)
- return (0);
+ CFRelease(search);
}
- else if (httpPrintf(HTTP(con), "\r\n") < 0)
- return (0);
- con->http.state = HTTP_WAITING;
+# if HAVE_SECIDENTITYSEARCHCREATEWITHPOLICY
+ CFRelease(policy);
+ CFRelease(policy_search);
+# endif /* HAVE_SECIDENTITYSEARCHCREATEWITHPOLICY */
- return (1);
+ return (certificates);
}
+#endif /* HAVE_CDSASSL */
/*
- * 'cupsdSendFile()' - Send a file via HTTP.
+ * 'get_file()' - Get a filename and state info.
*/
-int /* O - 0 on failure, 1 on success */
-cupsdSendFile(cupsd_client_t *con, /* I - Client connection */
- http_status_t code, /* I - HTTP status */
- char *filename, /* I - Filename */
- char *type, /* I - File type */
- struct stat *filestats)/* O - File information */
+static char * /* O - Real filename */
+get_file(cupsd_client_t *con, /* I - Client connection */
+ struct stat *filestats, /* O - File information */
+ char *filename, /* IO - Filename buffer */
+ int len) /* I - Buffer length */
{
- con->file = open(filename, O_RDONLY);
+ int status; /* Status of filesystem calls */
+ char *ptr; /* Pointer info filename */
+ int plen; /* Remaining length after pointer */
- cupsdLogMessage(CUPSD_LOG_DEBUG, "cupsdSendFile: %d file=%d", con->http.fd,
- con->file);
- if (con->file < 0)
- return (0);
+ /*
+ * Figure out the real filename...
+ */
- fcntl(con->file, F_SETFD, fcntl(con->file, F_GETFD) | FD_CLOEXEC);
+ if (!strncmp(con->uri, "/ppd/", 5))
+ snprintf(filename, len, "%s%s", ServerRoot, con->uri);
+ 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] == '/')
+ strlcpy(filename, AccessLog, len);
+ else if (!strcmp(con->uri + 11, "error_log") && ErrorLog[0] == '/')
+ strlcpy(filename, ErrorLog, len);
+ else if (!strcmp(con->uri + 11, "page_log") && PageLog[0] == '/')
+ strlcpy(filename, PageLog, len);
+ else
+ return (NULL);
+ }
+ else if (con->language)
+ snprintf(filename, len, "%s/%s%s", DocumentRoot, con->language->language,
+ con->uri);
+ else
+ snprintf(filename, len, "%s%s", DocumentRoot, con->uri);
- con->pipe_pid = 0;
+ if ((ptr = strchr(filename, '?')) != NULL)
+ *ptr = '\0';
- if (!cupsdSendHeader(con, code, type))
- return (0);
+ /*
+ * Grab the status for this language; if there isn't a language-specific file
+ * then fallback to the default one...
+ */
- if (httpPrintf(HTTP(con), "Last-Modified: %s\r\n",
- httpGetDateString(filestats->st_mtime)) < 0)
- return (0);
- if (httpPrintf(HTTP(con), "Content-Length: " CUPS_LLFMT "\r\n",
- CUPS_LLCAST filestats->st_size) < 0)
- return (0);
- if (httpPrintf(HTTP(con), "\r\n") < 0)
- return (0);
+ if ((status = stat(filename, filestats)) != 0 && con->language &&
+ strncmp(con->uri, "/ppd/", 5) &&
+ strncmp(con->uri, "/admin/conf/", 12) &&
+ strncmp(con->uri, "/admin/log/", 11))
+ {
+ /*
+ * Drop the country code...
+ */
- con->http.data_encoding = HTTP_ENCODE_LENGTH;
- con->http.data_remaining = filestats->st_size;
+ char ll[3]; /* Short language name */
- if (con->http.data_remaining <= INT_MAX)
- con->http._data_remaining = con->http.data_remaining;
- else
- con->http._data_remaining = INT_MAX;
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdSendFile: Adding fd %d to OutputSet...", con->http.fd);
+ strlcpy(ll, con->language->language, sizeof(ll));
+ snprintf(filename, len, "%s/%s%s", DocumentRoot, ll, con->uri);
- FD_SET(con->http.fd, OutputSet);
+ if ((ptr = strchr(filename, '?')) != NULL)
+ *ptr = '\0';
- return (1);
-}
+ if ((status = stat(filename, filestats)) != 0)
+ {
+ /*
+ * Drop the language prefix and try the root directory...
+ */
+ snprintf(filename, len, "%s%s", DocumentRoot, con->uri);
-/*
- * 'cupsdSendHeader()' - Send an HTTP request.
- */
+ if ((ptr = strchr(filename, '?')) != NULL)
+ *ptr = '\0';
-int /* O - 1 on success, 0 on failure */
-cupsdSendHeader(cupsd_client_t *con, /* I - Client to send to */
- http_status_t code, /* I - HTTP status code */
- char *type) /* I - MIME type of document */
-{
- if (httpPrintf(HTTP(con), "HTTP/%d.%d %d %s\r\n", con->http.version / 100,
- con->http.version % 100, code, httpStatus(code)) < 0)
- return (0);
- if (httpPrintf(HTTP(con), "Date: %s\r\n", httpGetDateString(time(NULL))) < 0)
- return (0);
- if (ServerHeader)
- if (httpPrintf(HTTP(con), "Server: %s\r\n", ServerHeader) < 0)
- return (0);
- if (con->http.keep_alive && con->http.version >= HTTP_1_0)
- {
- if (httpPrintf(HTTP(con), "Connection: Keep-Alive\r\n") < 0)
- return (0);
- if (httpPrintf(HTTP(con), "Keep-Alive: timeout=%d\r\n",
- KeepAliveTimeout) < 0)
- return (0);
+ status = stat(filename, filestats);
+ }
}
- if (code == HTTP_METHOD_NOT_ALLOWED)
- if (httpPrintf(HTTP(con), "Allow: GET, HEAD, OPTIONS, POST\r\n") < 0)
- return (0);
- if (code == HTTP_UNAUTHORIZED)
+ /*
+ * If we're found a directory, get the index.html file instead...
+ */
+
+ if (!status && S_ISDIR(filestats->st_mode))
{
- int auth_type; /* Authentication type */
+ if (filename[strlen(filename) - 1] != '/')
+ strlcat(filename, "/", len);
+
+ ptr = filename + strlen(filename);
+ plen = len - (ptr - filename);
+ strlcpy(ptr, "index.html", plen);
+ status = stat(filename, filestats);
- if (!con->best || con->best->type == AUTH_NONE)
- auth_type = DefaultAuthType;
- else
- auth_type = con->best->type;
-
- if (auth_type != AUTH_DIGEST)
+#ifdef HAVE_JAVA
+ if (status)
{
- if (httpPrintf(HTTP(con),
- "WWW-Authenticate: Basic realm=\"CUPS\"\r\n") < 0)
- return (0);
+ strlcpy(ptr, "index.class", plen);
+ status = stat(filename, filestats);
}
- else
+#endif /* HAVE_JAVA */
+
+#ifdef HAVE_PERL
+ if (status)
{
- if (httpPrintf(HTTP(con),
- "WWW-Authenticate: Digest realm=\"CUPS\", nonce=\"%s\"\r\n",
- con->http.hostname) < 0)
- return (0);
+ strlcpy(ptr, "index.pl", plen);
+ status = stat(filename, filestats);
}
- }
+#endif /* HAVE_PERL */
- if (con->language != NULL)
- {
- if (httpPrintf(HTTP(con), "Content-Language: %s\r\n",
- con->language->language) < 0)
- return (0);
- }
+#ifdef HAVE_PHP
+ if (status)
+ {
+ strlcpy(ptr, "index.php", plen);
+ status = stat(filename, filestats);
+ }
+#endif /* HAVE_PHP */
- if (type != NULL)
- {
- if (!strcmp(type, "text/html"))
+#ifdef HAVE_PYTHON
+ if (status)
{
- if (httpPrintf(HTTP(con),
- "Content-Type: text/html; charset=utf-8\r\n") < 0)
- return (0);
+ strlcpy(ptr, "index.pyc", plen);
+ status = stat(filename, filestats);
}
- else if (httpPrintf(HTTP(con), "Content-Type: %s\r\n", type) < 0)
- return (0);
+
+ if (status)
+ {
+ strlcpy(ptr, "index.py", plen);
+ status = stat(filename, filestats);
+ }
+#endif /* HAVE_PYTHON */
}
- return (1);
+ cupsdLogMessage(CUPSD_LOG_DEBUG2, "get_file: %d filename=%s size=%d",
+ con->http.fd, filename,
+ status ? -1 : (int)filestats->st_size);
+
+ if (!status)
+ con->http.data_remaining = (int)filestats->st_size;
+
+ if (status)
+ return (NULL);
+ else
+ return (filename);
}
/*
- * 'cupsdUpdateCGI()' - Read status messages from CGI scripts and programs.
+ * 'install_conf_file()' - Install a configuration file.
*/
-void
-cupsdUpdateCGI(void)
+static http_status_t /* O - Status */
+install_conf_file(cupsd_client_t *con) /* I - Connection */
{
- char *ptr, /* Pointer to end of line in buffer */
- message[1024]; /* Pointer to message text */
- int loglevel; /* Log level for message */
+ cups_file_t *in, /* Input file */
+ *out; /* Output file */
+ char buffer[1024]; /* Copy buffer */
+ int bytes; /* Number of bytes */
+ char conffile[1024], /* Configuration filename */
+ newfile[1024], /* New config filename */
+ oldfile[1024]; /* Old config filename */
+ struct stat confinfo; /* Config file info */
- while ((ptr = cupsdStatBufUpdate(CGIStatusBuffer, &loglevel,
- message, sizeof(message))) != NULL)
- if (!strchr(CGIStatusBuffer->buffer, '\n'))
- break;
+ /*
+ * First construct the filenames...
+ */
+
+ snprintf(conffile, sizeof(conffile), "%s%s", ServerRoot, con->uri + 11);
+ snprintf(newfile, sizeof(newfile), "%s%s.N", ServerRoot, con->uri + 11);
+ snprintf(oldfile, sizeof(oldfile), "%s%s.O", ServerRoot, con->uri + 11);
+
+ cupsdLogMessage(CUPSD_LOG_INFO, "Installing config file \"%s\"...", conffile);
+
+ /*
+ * Get the owner, group, and permissions of the configuration file.
+ * If it doesn't exist, assign it to the User and Group in the
+ * cupsd.conf file with mode 0640 permissions.
+ */
- if (ptr == NULL && errno)
+ if (stat(conffile, &confinfo))
{
- /*
- * Fatal error on pipe - should never happen!
- */
+ confinfo.st_uid = User;
+ confinfo.st_gid = Group;
+ confinfo.st_mode = ConfigFilePerm;
+ }
- cupsdLogMessage(CUPSD_LOG_CRIT,
- "cupsdUpdateCGI: error reading from CGI error pipe - %s",
- strerror(errno));
+ /*
+ * Open the request file and new config file...
+ */
+
+ if ((in = cupsFileOpen(con->filename, "rb")) == NULL)
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to open request file \"%s\" - %s",
+ con->filename, strerror(errno));
+ return (HTTP_SERVER_ERROR);
+ }
+
+ if ((out = cupsFileOpen(newfile, "wb")) == NULL)
+ {
+ cupsFileClose(in);
+ cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to open config file \"%s\" - %s",
+ newfile, strerror(errno));
+ return (HTTP_SERVER_ERROR);
}
-}
+ fchmod(cupsFileNumber(out), confinfo.st_mode);
+ fchown(cupsFileNumber(out), confinfo.st_uid, confinfo.st_gid);
-/*
- * 'cupsdWriteClient()' - Write data to a client as needed.
- */
+ /*
+ * Copy from the request to the new config file...
+ */
-int /* O - 1 if success, 0 if fail */
-cupsdWriteClient(cupsd_client_t *con) /* I - Client connection */
-{
- int bytes; /* Number of bytes written */
- char buf[16385]; /* Data buffer */
- char *bufptr; /* Pointer into buffer */
- ipp_state_t ipp_state; /* IPP state value */
+ while ((bytes = cupsFileRead(in, buffer, sizeof(buffer))) > 0)
+ if (cupsFileWrite(out, buffer, bytes) < bytes)
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "Unable to copy to config file \"%s\" - %s",
+ newfile, strerror(errno));
+ cupsFileClose(in);
+ cupsFileClose(out);
+ unlink(newfile);
-#ifdef DEBUG
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdWriteClient(con=%p) %d response=%p, file=%d "
- "pipe_pid=%d state=%d",
- con, con->http.fd, con->response, con->file, con->pipe_pid,
- con->http.state);
-#endif /* DEBUG */
+ return (HTTP_SERVER_ERROR);
+ }
- if (con->http.state != HTTP_GET_SEND &&
- con->http.state != HTTP_POST_SEND)
- return (1);
+ /*
+ * Close the files...
+ */
- if (con->response != NULL)
+ cupsFileClose(in);
+ if (cupsFileClose(out))
{
- ipp_state = ippWrite(&(con->http), con->response);
- bytes = ipp_state != IPP_ERROR && ipp_state != IPP_DATA;
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "Error file closing config file \"%s\" - %s",
+ newfile, strerror(errno));
+
+ unlink(newfile);
+
+ return (HTTP_SERVER_ERROR);
}
- else if ((bytes = read(con->file, buf, sizeof(buf) - 1)) > 0)
- {
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdWriteClient: Read %d bytes from file %d...",
- bytes, con->file);
- if (con->pipe_pid && !con->got_fields)
+ /*
+ * Remove the request file...
+ */
+
+ unlink(con->filename);
+ cupsdClearString(&con->filename);
+
+ /*
+ * Unlink the old backup, rename the current config file to the backup
+ * filename, and rename the new config file to the config file name...
+ */
+
+ if (unlink(oldfile))
+ if (errno != ENOENT)
{
- /*
- * Inspect the data for Content-Type and other fields.
- */
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "Unable to remove backup config file \"%s\" - %s",
+ oldfile, strerror(errno));
- buf[bytes] = '\0';
+ unlink(newfile);
- for (bufptr = buf; !con->got_fields && *bufptr; bufptr ++)
- if (*bufptr == '\n')
- {
- /*
- * Send line to client...
- */
+ return (HTTP_SERVER_ERROR);
+ }
- if (bufptr > buf && bufptr[-1] == '\r')
- bufptr[-1] = '\0';
- *bufptr++ = '\0';
+ if (rename(conffile, oldfile))
+ if (errno != ENOENT)
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "Unable to rename old config file \"%s\" - %s",
+ conffile, strerror(errno));
- cupsdLogMessage(CUPSD_LOG_DEBUG2, "Script header: %s", buf);
+ unlink(newfile);
- if (!con->sent_header)
- {
- /*
- * Handle redirection and CGI status codes...
- */
+ return (HTTP_SERVER_ERROR);
+ }
- if (!strncasecmp(buf, "Location:", 9))
- cupsdSendHeader(con, HTTP_SEE_OTHER, NULL);
- else if (!strncasecmp(buf, "Status:", 7))
- cupsdSendHeader(con, atoi(buf + 7), NULL);
- else
- cupsdSendHeader(con, HTTP_OK, NULL);
+ if (rename(newfile, conffile))
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "Unable to rename new config file \"%s\" - %s",
+ newfile, strerror(errno));
- if (con->http.version == HTTP_1_1)
- {
- con->http.data_encoding = HTTP_ENCODE_CHUNKED;
+ rename(oldfile, conffile);
+ unlink(newfile);
- if (httpPrintf(HTTP(con), "Transfer-Encoding: chunked\r\n") < 0)
- return (0);
- }
+ return (HTTP_SERVER_ERROR);
+ }
- con->sent_header = 1;
- }
+ /*
+ * If the cupsd.conf file was updated, set the NeedReload flag...
+ */
- if (strncasecmp(buf, "Status:", 7))
- httpPrintf(HTTP(con), "%s\r\n", buf);
+ if (!strcmp(con->uri, "/admin/conf/cupsd.conf"))
+ NeedReload = RELOAD_CUPSD;
+ else
+ NeedReload = RELOAD_ALL;
- cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdWriteClient: %d %s",
- con->http.fd, buf);
+ ReloadTime = time(NULL);
- /*
- * Update buffer...
- */
+ /*
+ * Return that the file was created successfully...
+ */
- bytes -= (bufptr - buf);
- memmove(buf, bufptr, bytes + 1);
- bufptr = buf - 1;
+ return (HTTP_CREATED);
+}
- /*
- * See if the line was empty...
- */
- if (con->field_col == 0)
- con->got_fields = 1;
- else
- con->field_col = 0;
- }
- else if (*bufptr != '\r')
- con->field_col ++;
+/*
+ * 'is_cgi()' - Is the resource a CGI script/program?
+ */
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdWriteClient: %d bytes=%d, got_fields=%d",
- con->http.fd, bytes, con->got_fields);
+static int /* O - 1 = CGI, 0 = file */
+is_cgi(cupsd_client_t *con, /* I - Client connection */
+ const char *filename, /* I - Real filename */
+ struct stat *filestats, /* I - File information */
+ mime_type_t *type) /* I - MIME type */
+{
+ const char *options; /* Options on URL */
- if (bytes > 0 && !con->got_fields)
- {
- /*
- * Remaining text needs to go out...
- */
- httpPrintf(HTTP(con), "%s", buf);
+ 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");
- con->http.activity = time(NULL);
- return (1);
- }
- else if (bytes == 0)
- {
- con->http.activity = time(NULL);
- return (1);
- }
- }
+ /*
+ * Get the options, if any...
+ */
- if (httpWrite2(HTTP(con), buf, bytes) < 0)
- {
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdWriteClient: %d Write of %d bytes failed!",
- con->http.fd, bytes);
+ if ((options = strchr(con->uri, '?')) != NULL)
+ {
+ options ++;
- cupsdCloseClient(con);
- return (0);
- }
+ if (strchr(options, '='))
+ cupsdSetStringf(&(con->query_string), "QUERY_STRING=%s", options);
+ }
- con->bytes += bytes;
+ /*
+ * Check for known types...
+ */
- if (con->http.state == HTTP_WAITING)
- bytes = 0;
+ if (!type || strcasecmp(type->super, "application"))
+ {
+ cupsdLogMessage(CUPSD_LOG_DEBUG2, "is_cgi: Returning 0...");
+ return (0);
}
- if (bytes <= 0)
+ if (!strcasecmp(type->type, "x-httpd-cgi") &&
+ (filestats->st_mode & 0111))
{
- cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdWriteClient: %d bytes < 0",
- con->http.fd);
-
- cupsdLogRequest(con, HTTP_OK);
+ /*
+ * "application/x-httpd-cgi" is a CGI script.
+ */
- httpFlushWrite(HTTP(con));
+ cupsdSetString(&con->command, filename);
- if (con->http.data_encoding == HTTP_ENCODE_CHUNKED)
- {
- if (httpPrintf(HTTP(con), "0\r\n\r\n") < 0)
- {
- cupsdCloseClient(con);
- return (0);
- }
- }
+ filename = strrchr(filename, '/') + 1; /* Filename always absolute */
- con->http.state = HTTP_WAITING;
+ cupsdSetString(&con->options, options);
cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdWriteClient: Removing fd %d from OutputSet...",
- con->http.fd);
+ "is_cgi: Returning 1 with command=\"%s\" and options=\"%s\"",
+ con->command, con->options);
- FD_CLR(con->http.fd, OutputSet);
+ return (1);
+ }
+#ifdef HAVE_JAVA
+ else if (!strcasecmp(type->type, "x-httpd-java"))
+ {
+ /*
+ * "application/x-httpd-java" is a Java servlet.
+ */
- 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);
- }
+ cupsdSetString(&con->command, CUPS_JAVA);
- if (con->pipe_pid)
- cupsdEndProcess(con->pipe_pid, 0);
+ if (options)
+ cupsdSetStringf(&con->options, "%s %s", filename, options);
+ else
+ cupsdSetString(&con->options, filename);
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdWriteClient: %d Closing data file %d.",
- con->http.fd, con->file);
+ cupsdLogMessage(CUPSD_LOG_DEBUG2,
+ "is_cgi: Returning 1 with command=\"%s\" and options=\"%s\"",
+ con->command, con->options);
- close(con->file);
- con->file = -1;
- con->pipe_pid = 0;
- }
+ return (1);
+ }
+#endif /* HAVE_JAVA */
+#ifdef HAVE_PERL
+ else if (!strcasecmp(type->type, "x-httpd-perl"))
+ {
+ /*
+ * "application/x-httpd-perl" is a Perl page.
+ */
- if (con->filename)
- {
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdWriteClient: %d Removing temp file %s",
- con->http.fd, con->filename);
- unlink(con->filename);
- cupsdClearString(&con->filename);
- }
+ cupsdSetString(&con->command, CUPS_PERL);
- if (con->request != NULL)
- {
- ippDelete(con->request);
- con->request = NULL;
- }
+ if (options)
+ cupsdSetStringf(&con->options, "%s %s", filename, options);
+ else
+ cupsdSetString(&con->options, filename);
- if (con->response != NULL)
- {
- ippDelete(con->response);
- con->response = NULL;
- }
+ cupsdLogMessage(CUPSD_LOG_DEBUG2,
+ "is_cgi: Returning 1 with command=\"%s\" and options=\"%s\"",
+ con->command, con->options);
- cupsdClearString(&con->command);
- cupsdClearString(&con->options);
+ return (1);
+ }
+#endif /* HAVE_PERL */
+#ifdef HAVE_PHP
+ else if (!strcasecmp(type->type, "x-httpd-php"))
+ {
+ /*
+ * "application/x-httpd-php" is a PHP page.
+ */
- if (!con->http.keep_alive)
- {
- cupsdCloseClient(con);
- return (0);
- }
+ cupsdSetString(&con->command, CUPS_PHP);
+
+ if (options)
+ cupsdSetStringf(&con->options, "%s %s", filename, options);
+ else
+ cupsdSetString(&con->options, filename);
+
+ cupsdLogMessage(CUPSD_LOG_DEBUG2,
+ "is_cgi: Returning 1 with command=\"%s\" and options=\"%s\"",
+ con->command, con->options);
+
+ return (1);
}
- else
+#endif /* HAVE_PHP */
+#ifdef HAVE_PYTHON
+ else if (!strcasecmp(type->type, "x-httpd-python"))
{
- con->file_ready = 0;
+ /*
+ * "application/x-httpd-python" is a Python page.
+ */
+
+ cupsdSetString(&con->command, CUPS_PYTHON);
+
+ if (options)
+ cupsdSetStringf(&con->options, "%s %s", filename, options);
+ else
+ cupsdSetString(&con->options, filename);
+
+ cupsdLogMessage(CUPSD_LOG_DEBUG2,
+ "is_cgi: Returning 1 with command=\"%s\" and options=\"%s\"",
+ con->command, con->options);
- if (con->pipe_pid && !FD_ISSET(con->file, InputSet))
- {
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdWriteClient: Adding fd %d to InputSet...",
- con->file);
- FD_SET(con->file, InputSet);
- }
+ return (1);
}
+#endif /* HAVE_PYTHON */
- con->http.activity = time(NULL);
+ cupsdLogMessage(CUPSD_LOG_DEBUG2, "is_cgi: Returning 0...");
- return (1);
+ return (0);
}
/*
- * 'check_if_modified()' - Decode an "If-Modified-Since" line.
+ * 'is_path_absolute()' - Is a path absolute and free of relative elements (i.e. "..").
*/
-static int /* O - 1 if modified since */
-check_if_modified(
- cupsd_client_t *con, /* I - Client connection */
- struct stat *filestats) /* I - File information */
+static int /* O - 0 if relative, 1 if absolute */
+is_path_absolute(const char *path) /* I - Input path */
{
- char *ptr; /* Pointer into field */
- time_t date; /* Time/date value */
- off_t size; /* Size/length value */
-
-
- size = 0;
- date = 0;
- ptr = con->http.fields[HTTP_FIELD_IF_MODIFIED_SINCE];
+ /*
+ * Check for a leading slash...
+ */
- if (*ptr == '\0')
- return (1);
+ if (path[0] != '/')
+ return (0);
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "check_if_modified: %d If-Modified-Since=\"%s\"",
- con->http.fd, ptr);
+ /*
+ * Check for "/.." in the path...
+ */
- while (*ptr != '\0')
+ while ((path = strstr(path, "/..")) != NULL)
{
- while (isspace(*ptr) || *ptr == ';')
- ptr ++;
-
- if (strncasecmp(ptr, "length=", 7) == 0)
- {
- ptr += 7;
- size = strtoll(ptr, NULL, 10);
+ if (!path[3] || path[3] == '/')
+ return (0);
- while (isdigit(*ptr))
- ptr ++;
- }
- else if (isalpha(*ptr))
- {
- date = httpGetDateTime(ptr);
- while (*ptr != '\0' && *ptr != ';')
- ptr ++;
- }
+ path ++;
}
- 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);
+ /*
+ * If we haven't found any relative paths, return 1 indicating an
+ * absolute path...
+ */
- return ((size != filestats->st_size && size != 0) ||
- (date < filestats->st_mtime && date != 0) ||
- (size == 0 && date == 0));
+ return (1);
}
-#ifdef HAVE_CDSASSL
+#ifdef HAVE_SSL
/*
- * 'get_cdsa_server_certs()' - Convert a keychain name into the CFArrayRef
- * required by SSLSetCertificate.
- *
- * For now we assumes that there is exactly one SecIdentity in the
- * keychain - i.e. there is exactly one matching cert/private key pair.
- * In the future we will search a keychain for a SecIdentity matching a
- * specific criteria. We also skip the operation of adding additional
- * non-signing certs from the keychain to the CFArrayRef.
- *
- * To create a self-signed certificate for testing use the certtool.
- * Executing the following as root will do it:
- *
- * certtool c c v k=CUPS
+ * 'make_certificate()' - Make a self-signed SSL/TLS certificate.
*/
-static CFArrayRef /* O - Array of certificates */
-get_cdsa_server_certs(void)
+static int /* O - 1 on success, 0 on failure */
+make_certificate(cupsd_client_t *con) /* I - Client connection */
{
- OSStatus err; /* Error info */
- SecKeychainRef kcRef; /* Keychain reference */
- SecIdentitySearchRef srchRef; /* Search reference */
- SecIdentityRef identity; /* Identity */
- CFArrayRef ca; /* Certificate array */
+#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 */
+ home[1024], /* HOME environment variable */
+ 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 */
- kcRef = NULL;
- srchRef = NULL;
- identity = NULL;
- ca = NULL;
- err = SecKeychainOpen(ServerCertificate, &kcRef);
+ /*
+ * 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 (err)
- cupsdLogMessage(CUPSD_LOG_ERROR, "Cannot open keychain \"%s\", error %d.",
- ServerCertificate, (int)err);
- else
+ 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))
{
/*
- * Search for "any" identity matching specified key use;
- * in this app, we expect there to be exactly one.
+ * 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()...
*/
- err = SecIdentitySearchCreate(kcRef, CSSM_KEYUSE_SIGN, &srchRef);
-
- if (err)
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "Cannot find signing key in keychain \"%s\", error %d",
- ServerCertificate, (int)err);
- else
- {
- err = SecIdentitySearchCopyNext(srchRef, &identity);
-
- if (err)
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "Cannot find signing key in keychain \"%s\", error %d",
- ServerCertificate, (int)err);
- else
- {
- if (CFGetTypeID(identity) != SecIdentityGetTypeID())
- cupsdLogMessage(CUPSD_LOG_ERROR,
- "SecIdentitySearchCopyNext CFTypeID failure!");
- else
- {
- /*
- * Found one. Place it in a CFArray.
- * TBD: snag other (non-identity) certs from keychain and add them
- * to array as well.
- */
-
- ca = CFArrayCreate(NULL, (const void **)&identity, 1, NULL);
+ cupsdLogMessage(CUPSD_LOG_INFO,
+ "Seeding the random number generator...");
- if (ca == nil)
- cupsdLogMessage(CUPSD_LOG_ERROR, "CFArrayCreate error");
- }
+ snprintf(home, sizeof(home), "HOME=%s", TempDir);
- /*CFRelease(identity);*/
- }
+ /*
+ * Write the seed file...
+ */
- /*CFRelease(srchRef);*/
+ if ((fp = cupsTempFile2(seedfile, sizeof(seedfile))) == NULL)
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to create seed file %s - %s",
+ seedfile, strerror(errno));
+ return (0);
}
- /*CFRelease(kcRef);*/
- }
-
- return (ca);
-}
-#endif /* HAVE_CDSASSL */
+ for (bytes = 0; bytes < 262144; bytes ++)
+ cupsFilePutChar(fp, random());
+ cupsFileClose(fp);
-/*
- * 'get_file()' - Get a filename and state info.
- */
-
-static char * /* O - Real filename */
-get_file(cupsd_client_t *con, /* I - Client connection */
- struct stat *filestats, /* O - File information */
- char *filename, /* IO - Filename buffer */
- int len) /* I - Buffer length */
-{
- int status; /* Status of filesystem calls */
- char *ptr; /* Pointer info filename */
- int plen; /* Remaining length after pointer */
+ /*
+ * 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;
- /*
- * Need to add DocumentRoot global...
- */
+ envc = cupsdLoadEnv(envp, MAX_ENV);
+ envp[envc++] = home;
+ envp[envc] = NULL;
- if (!strncmp(con->uri, "/ppd/", 5))
- snprintf(filename, len, "%s%s", ServerRoot, con->uri);
- else if (!strncmp(con->uri, "/admin/conf/", 12))
- snprintf(filename, len, "%s%s", ServerRoot, con->uri + 11);
- else if (!strncmp(con->uri, "/admin/log/", 11))
- {
- if (!strcmp(con->uri + 11, "access_log") && AccessLog[0] == '/')
- strlcpy(filename, AccessLog, len);
- else if (!strcmp(con->uri + 11, "error_log") && ErrorLog[0] == '/')
- strlcpy(filename, ErrorLog, len);
- else if (!strcmp(con->uri + 11, "page_log") && PageLog[0] == '/')
- strlcpy(filename, PageLog, len);
- else
- return (NULL);
- }
- else if (con->language != NULL)
- snprintf(filename, len, "%s/%s%s", DocumentRoot, con->language->language,
- con->uri);
- else
- snprintf(filename, len, "%s%s", DocumentRoot, con->uri);
+ if (!cupsdStartProcess(command, argv, envp, -1, -1, -1, -1, -1, 1, &pid))
+ {
+ unlink(seedfile);
+ return (0);
+ }
- if ((ptr = strchr(filename, '?')) != NULL)
- *ptr = '\0';
+ while (waitpid(pid, &status, 0) < 0)
+ if (errno != EINTR)
+ {
+ status = 1;
+ break;
+ }
- /*
- * Grab the status for this language; if there isn't a language-specific file
- * then fallback to the default one...
- */
+ cupsdFinishProcess(pid, command, sizeof(command));
- if ((status = stat(filename, filestats)) != 0 && con->language != NULL)
- {
/*
- * Drop the language prefix and try the current directory...
+ * Remove the seed file, as it is no longer needed...
*/
- if (strncmp(con->uri, "/ppd/", 5) &&
- strncmp(con->uri, "/admin/conf/", 12) &&
- strncmp(con->uri, "/admin/log/", 11))
- {
- snprintf(filename, len, "%s%s", DocumentRoot, con->uri);
+ unlink(seedfile);
- if ((ptr = strchr(filename, '?')) != NULL)
- *ptr = '\0';
+ 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));
- status = stat(filename, filestats);
+ return (0);
}
}
/*
- * If we're found a directory, get the index.html file instead...
+ * Create a file with the certificate information fields...
+ *
+ * Note: This assumes that the default questions are asked by the openssl
+ * command...
*/
- if (!status && S_ISDIR(filestats->st_mode))
+ if ((fp = cupsTempFile2(infofile, sizeof(infofile))) == NULL)
{
- if (filename[strlen(filename) - 1] != '/')
- strlcat(filename, "/", len);
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "Unable to create certificate information file %s - %s",
+ infofile, strerror(errno));
+ return (0);
+ }
- ptr = filename + strlen(filename);
- plen = len - (ptr - filename);
+ cupsFilePrintf(fp, ".\n.\n.\n%s\n.\n%s\n%s\n",
+ ServerName, ServerName, ServerAdmin);
+ cupsFileClose(fp);
- strlcpy(ptr, "index.html", plen);
- status = stat(filename, filestats);
+ cupsdLogMessage(CUPSD_LOG_INFO,
+ "Generating SSL server key and certificate...");
-#ifdef HAVE_JAVA
- if (status)
- {
- strlcpy(ptr, "index.class", plen);
- status = stat(filename, filestats);
- }
-#endif /* HAVE_JAVA */
+ 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;
-#ifdef HAVE_PERL
- if (status)
- {
- strlcpy(ptr, "index.pl", plen);
- status = stat(filename, filestats);
- }
-#endif /* HAVE_PERL */
+ cupsdLoadEnv(envp, MAX_ENV);
-#ifdef HAVE_PHP
- if (status)
- {
- strlcpy(ptr, "index.php", plen);
- status = stat(filename, filestats);
- }
-#endif /* HAVE_PHP */
+ infofd = open(infofile, O_RDONLY);
-#ifdef HAVE_PYTHON
- if (status)
- {
- strlcpy(ptr, "index.pyc", plen);
- status = stat(filename, filestats);
- }
+ if (!cupsdStartProcess(command, argv, envp, infofd, -1, -1, -1, -1, 1, &pid))
+ {
+ close(infofd);
+ unlink(infofile);
+ return (0);
+ }
- if (status)
+ close(infofd);
+ unlink(infofile);
+
+ while (waitpid(pid, &status, 0) < 0)
+ if (errno != EINTR)
{
- strlcpy(ptr, "index.py", plen);
- status = stat(filename, filestats);
+ status = 1;
+ break;
}
-#endif /* HAVE_PYTHON */
- }
- cupsdLogMessage(CUPSD_LOG_DEBUG2, "get_file: %d filename=%s size=%d",
- con->http.fd, filename,
- status ? -1 : (int)filestats->st_size);
-
- if (!status)
- con->http.data_remaining = (int)filestats->st_size;
+ cupsdFinishProcess(pid, command, sizeof(command));
if (status)
- return (NULL);
+ {
+ 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
- return (filename);
-}
-
+ {
+ cupsdLogMessage(CUPSD_LOG_INFO, "Created SSL server key file \"%s\"...",
+ ServerKey);
+ cupsdLogMessage(CUPSD_LOG_INFO,
+ "Created SSL server certificate file \"%s\"...",
+ ServerCertificate);
+ }
-/*
- * 'install_conf_file()' - Install a configuration file.
- */
+ return (!status);
-static http_status_t /* O - Status */
-install_conf_file(cupsd_client_t *con) /* I - Connection */
-{
- cups_file_t *in, /* Input file */
- *out; /* Output file */
- char buffer[1024]; /* Copy buffer */
- int bytes; /* Number of bytes */
- char conffile[1024], /* Configuration filename */
- newfile[1024], /* New config filename */
- oldfile[1024]; /* Old config filename */
- struct stat confinfo; /* Config file info */
+#elif defined(HAVE_GNUTLS)
+ gnutls_x509_crt crt; /* Self-signed certificate */
+ gnutls_x509_privkey key; /* Encryption key */
+ cups_lang_t *language; /* Default language info */
+ cups_file_t *fp; /* Key/cert file */
+ unsigned char buffer[8192]; /* Buffer for x509 data */
+ size_t bytes; /* Number of bytes of data */
+ unsigned char serial[4]; /* Serial number buffer */
+ time_t curtime; /* Current time */
+ int result; /* Result of GNU TLS calls */
/*
- * First construct the filenames...
+ * Create the encryption key...
*/
- snprintf(conffile, sizeof(conffile), "%s%s", ServerRoot, con->uri + 11);
- snprintf(newfile, sizeof(newfile), "%s%s.N", ServerRoot, con->uri + 11);
- snprintf(oldfile, sizeof(oldfile), "%s%s.O", ServerRoot, con->uri + 11);
+ cupsdLogMessage(CUPSD_LOG_INFO, "Generating SSL server key...");
- cupsdLogMessage(CUPSD_LOG_INFO, "Installing config file \"%s\"...", conffile);
+ gnutls_x509_privkey_init(&key);
+ gnutls_x509_privkey_generate(key, GNUTLS_PK_RSA, 2048, 0);
/*
- * Get the owner, group, and permissions of the configuration file.
- * If it doesn't exist, assign it to the User and Group in the
- * cupsd.conf file with mode 0640 permissions.
+ * Save it...
*/
- if (stat(conffile, &confinfo))
- {
- confinfo.st_uid = User;
- confinfo.st_gid = Group;
- confinfo.st_mode = ConfigFilePerm;
- }
-
- /*
- * Open the request file and new config file...
- */
+ bytes = sizeof(buffer);
- if ((in = cupsFileOpen(con->filename, "rb")) == NULL)
+ if ((result = gnutls_x509_privkey_export(key, GNUTLS_X509_FMT_PEM,
+ buffer, &bytes)) < 0)
{
- cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to open request file \"%s\" - %s",
- con->filename, strerror(errno));
- return (HTTP_SERVER_ERROR);
+ cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to export SSL server key - %s",
+ gnutls_strerror(result));
+ gnutls_x509_privkey_deinit(key);
+ return (0);
}
+ else if ((fp = cupsFileOpen(ServerKey, "w")) != NULL)
+ {
+ cupsFileWrite(fp, (char *)buffer, bytes);
+ cupsFileClose(fp);
- if ((out = cupsFileOpen(newfile, "wb")) == NULL)
+ cupsdLogMessage(CUPSD_LOG_INFO, "Created SSL server key file \"%s\"...",
+ ServerKey);
+ }
+ else
{
- cupsFileClose(in);
- cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to open config file \"%s\" - %s",
- newfile, strerror(errno));
- return (HTTP_SERVER_ERROR);
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "Unable to create SSL server key file \"%s\" - %s",
+ ServerKey, strerror(errno));
+ gnutls_x509_privkey_deinit(key);
+ return (0);
}
- fchmod(cupsFileNumber(out), confinfo.st_mode);
- fchown(cupsFileNumber(out), confinfo.st_uid, confinfo.st_gid);
-
/*
- * Copy from the request to the new config file...
+ * Create the self-signed certificate...
*/
- while ((bytes = cupsFileRead(in, buffer, sizeof(buffer))) > 0)
- if (cupsFileWrite(out, buffer, bytes) < bytes)
- {
- cupsdLogMessage(CUPSD_LOG_ERROR,
- "Unable to copy to config file \"%s\" - %s",
- newfile, strerror(errno));
+ cupsdLogMessage(CUPSD_LOG_INFO, "Generating self-signed SSL certificate...");
- cupsFileClose(in);
- cupsFileClose(out);
- unlink(newfile);
+ language = cupsLangDefault();
+ curtime = time(NULL);
+ serial[0] = curtime >> 24;
+ serial[1] = curtime >> 16;
+ serial[2] = curtime >> 8;
+ serial[3] = curtime;
- return (HTTP_SERVER_ERROR);
- }
+ gnutls_x509_crt_init(&crt);
+ if (strlen(language->language) == 5)
+ gnutls_x509_crt_set_dn_by_oid(crt, GNUTLS_OID_X520_COUNTRY_NAME, 0,
+ language->language + 3, 2);
+ else
+ gnutls_x509_crt_set_dn_by_oid(crt, GNUTLS_OID_X520_COUNTRY_NAME, 0,
+ "US", 2);
+ gnutls_x509_crt_set_dn_by_oid(crt, GNUTLS_OID_X520_COMMON_NAME, 0,
+ ServerName, strlen(ServerName));
+ gnutls_x509_crt_set_dn_by_oid(crt, GNUTLS_OID_X520_ORGANIZATION_NAME, 0,
+ ServerName, strlen(ServerName));
+ gnutls_x509_crt_set_dn_by_oid(crt, GNUTLS_OID_X520_ORGANIZATIONAL_UNIT_NAME,
+ 0, "Unknown", 7);
+ gnutls_x509_crt_set_dn_by_oid(crt, GNUTLS_OID_X520_STATE_OR_PROVINCE_NAME, 0,
+ "Unknown", 7);
+ gnutls_x509_crt_set_dn_by_oid(crt, GNUTLS_OID_X520_LOCALITY_NAME, 0,
+ "Unknown", 7);
+ gnutls_x509_crt_set_dn_by_oid(crt, GNUTLS_OID_PKCS9_EMAIL, 0,
+ ServerAdmin, strlen(ServerAdmin));
+ gnutls_x509_crt_set_key(crt, key);
+ gnutls_x509_crt_set_serial(crt, serial, sizeof(serial));
+ gnutls_x509_crt_set_activation_time(crt, curtime);
+ gnutls_x509_crt_set_expiration_time(crt, curtime + 10 * 365 * 86400);
+ gnutls_x509_crt_set_ca_status(crt, 0);
+ gnutls_x509_crt_set_subject_alternative_name(crt, GNUTLS_SAN_DNSNAME,
+ ServerName);
+ gnutls_x509_crt_set_key_purpose_oid(crt, GNUTLS_KP_TLS_WWW_SERVER, 0);
+ gnutls_x509_crt_set_key_usage(crt, GNUTLS_KEY_KEY_ENCIPHERMENT);
+ gnutls_x509_crt_set_version(crt, 3);
+
+ bytes = sizeof(buffer);
+ if (gnutls_x509_crt_get_key_id(crt, 0, buffer, &bytes) >= 0)
+ gnutls_x509_crt_set_subject_key_id(crt, buffer, bytes);
+
+ gnutls_x509_crt_sign(crt, crt, key);
/*
- * Close the files...
+ * Save it...
*/
- cupsFileClose(in);
- if (cupsFileClose(out))
- {
+ bytes = sizeof(buffer);
+ if ((result = gnutls_x509_crt_export(crt, GNUTLS_X509_FMT_PEM,
+ buffer, &bytes)) < 0)
cupsdLogMessage(CUPSD_LOG_ERROR,
- "Error file closing config file \"%s\" - %s",
- newfile, strerror(errno));
-
- unlink(newfile);
+ "Unable to export SSL server certificate - %s",
+ gnutls_strerror(result));
+ else if ((fp = cupsFileOpen(ServerCertificate, "w")) != NULL)
+ {
+ cupsFileWrite(fp, (char *)buffer, bytes);
+ cupsFileClose(fp);
- return (HTTP_SERVER_ERROR);
+ cupsdLogMessage(CUPSD_LOG_INFO,
+ "Created SSL server certificate file \"%s\"...",
+ ServerCertificate);
}
+ else
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "Unable to create SSL server certificate file \"%s\" - %s",
+ ServerCertificate, strerror(errno));
/*
- * Remove the request file...
- */
-
- unlink(con->filename);
- cupsdClearString(&con->filename);
-
- /*
- * Unlink the old backup, rename the current config file to the backup
- * filename, and rename the new config file to the config file name...
+ * Cleanup...
*/
- if (unlink(oldfile))
- if (errno != ENOENT)
- {
- cupsdLogMessage(CUPSD_LOG_ERROR,
- "Unable to remove backup config file \"%s\" - %s",
- oldfile, strerror(errno));
-
- unlink(newfile);
+ gnutls_x509_crt_deinit(crt);
+ gnutls_x509_privkey_deinit(key);
- return (HTTP_SERVER_ERROR);
- }
+ return (1);
- if (rename(conffile, oldfile))
- if (errno != ENOENT)
- {
- cupsdLogMessage(CUPSD_LOG_ERROR,
- "Unable to rename old config file \"%s\" - %s",
- conffile, strerror(errno));
+#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 */
+ cups_file_t *fp; /* Seed/info file */
+ int infofd; /* Info file descriptor */
- unlink(newfile);
- return (HTTP_SERVER_ERROR);
- }
+ /*
+ * Run the "certtool" command to generate a self-signed certificate...
+ */
- if (rename(newfile, conffile))
+ if (!cupsFileFind("certtool", getenv("PATH"), 1, command, sizeof(command)))
{
cupsdLogMessage(CUPSD_LOG_ERROR,
- "Unable to rename new config file \"%s\" - %s",
- newfile, strerror(errno));
-
- rename(oldfile, conffile);
- unlink(newfile);
-
- return (HTTP_SERVER_ERROR);
+ "No SSL certificate and certtool command not found!");
+ return (0);
}
/*
- * If the cupsd.conf file was updated, set the NeedReload flag...
+ * Create a file with the certificate information fields...
+ *
+ * Note: This assumes that the default questions are asked by the certtool
+ * command...
*/
- if (!strcmp(con->uri, "/admin/conf/cupsd.conf"))
- NeedReload = RELOAD_CUPSD;
- else
- NeedReload = RELOAD_ALL;
+ if ((fp = cupsTempFile2(infofile, sizeof(infofile))) == NULL)
+ {
+ cupsdLogMessage(CUPSD_LOG_ERROR,
+ "Unable to create certificate information file %s - %s",
+ infofile, strerror(errno));
+ return (0);
+ }
- ReloadTime = time(NULL);
+ cupsFilePrintf(fp, "%s\nr\n\ny\nb\ns\ny\n%s\n\n\n\n\n%s\ny\n",
+ con->servername, con->servername, ServerAdmin);
+ cupsFileClose(fp);
- /*
- * Return that the file was created successfully...
- */
+ cupsdLogMessage(CUPSD_LOG_INFO,
+ "Generating SSL server key and certificate...");
- return (HTTP_CREATED);
-}
+ snprintf(keychain, sizeof(keychain), "k=%s", ServerCertificate);
+ argv[0] = "certtool";
+ argv[1] = "c";
+ argv[2] = keychain;
+ argv[3] = NULL;
-/*
- * 'is_path_absolute()' - Is a path absolute and free of relative elements (i.e. "..").
- */
+ cupsdLoadEnv(envp, MAX_ENV);
-static int /* O - 0 if relative, 1 if absolute */
-is_path_absolute(const char *path) /* I - Input path */
-{
- /*
- * Check for a leading slash...
- */
+ infofd = open(infofile, O_RDONLY);
- if (path[0] != '/')
+ if (!cupsdStartProcess(command, argv, envp, infofd, -1, -1, -1, -1, 1, &pid))
+ {
+ close(infofd);
+ unlink(infofile);
return (0);
+ }
- /*
- * Check for "/.." in the path...
- */
+ close(infofd);
+ unlink(infofile);
- while ((path = strstr(path, "/..")) != NULL)
- {
- if (!path[3] || path[3] == '/')
- return (0);
+ while (waitpid(pid, &status, 0) < 0)
+ if (errno != EINTR)
+ {
+ status = 1;
+ break;
+ }
- path ++;
+ cupsdFinishProcess(pid, command, sizeof(command));
+
+ 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);
}
- /*
- * If we haven't found any relative paths, return 1 indicating an
- * absolute path...
- */
+ return (!status);
- return (1);
+#else
+ return (0);
+#endif /* HAVE_LIBSSL && HAVE_WAITPID */
}
+#endif /* HAVE_SSL */
/*
{
int i; /* Looping var */
int pid; /* Process ID */
- char *commptr; /* Command string pointer */
+ char *commptr, /* Command string pointer */
+ commch; /* Command string character */
char *uriptr; /* URI string pointer */
int fds[2]; /* Pipe FDs */
int argc; /* Number of arguments */
int envc; /* Number of environment variables */
char argbuf[10240], /* Argument buffer */
*argv[100], /* Argument strings */
- *envp[MAX_ENV + 16]; /* Environment variables */
+ *envp[MAX_ENV + 18]; /* Environment variables */
char content_length[1024], /* CONTENT_LENGTH environment variable */
content_type[1024], /* CONTENT_TYPE environment variable */
http_cookie[32768], /* HTTP_COOKIE environment variable */
+ http_referer[1024], /* HTTP_REFERER environment variable */
http_user_agent[1024], /* HTTP_USER_AGENT environment variable */
lang[1024], /* LANG environment variable */
- *query_string, /* QUERY_STRING env variable */
+ path_info[1024], /* PATH_INFO environment variable */
remote_addr[1024], /* REMOTE_ADDR environment variable */
remote_host[1024], /* REMOTE_HOST environment variable */
remote_user[1024], /* REMOTE_USER environment variable */
/*
* Parse a copy of the options string, which is of the form:
*
- * name argument+argument+argument
- * name?argument+argument+argument
- * name param=value¶m=value
- * name?param=value¶m=value
+ * argument+argument+argument
+ * ?argument+argument+argument
+ * param=value¶m=value
+ * ?param=value¶m=value
+ * /name?argument+argument+argument
+ * /name?param=value¶m=value
*
* If the string contains an "=" character after the initial name,
* then we treat it as a HTTP GET form request and make a copy of
cupsdLogMessage(CUPSD_LOG_DEBUG2,
"pipe_command: command=\"%s\", options=\"%s\"",
- command, options);
+ command, options ? options : "(null)");
- strlcpy(argbuf, options, sizeof(argbuf));
+ argv[0] = command;
- argv[0] = argbuf;
- query_string = NULL;
+ if (options)
+ strlcpy(argbuf, options, sizeof(argbuf));
+ else
+ argbuf[0] = '\0';
- for (commptr = argbuf, argc = 1; *commptr != '\0' && argc < 99; commptr ++)
+ if (argbuf[0] == '/')
{
/*
- * Break arguments whenever we see a + or space...
+ * Found some trailing path information, set PATH_INFO...
*/
- if (*commptr == ' ' || *commptr == '+' || (*commptr == '?' && argc == 1))
- {
- /*
- * Terminate the current string and skip trailing whitespace...
- */
+ if ((commptr = strchr(argbuf, '?')) == NULL)
+ commptr = argbuf + strlen(argbuf);
- *commptr++ = '\0';
+ commch = *commptr;
+ *commptr = '\0';
+ snprintf(path_info, sizeof(path_info), "PATH_INFO=%s", argbuf);
+ *commptr = commch;
+ }
+ else
+ {
+ commptr = argbuf;
+ path_info[0] = '\0';
+ }
- while (*commptr == ' ')
- commptr ++;
+ cupsdLogMessage(CUPSD_LOG_INFO, "commptr=\"%s\"", commptr);
- /*
- * If we don't have a blank string, save it as another argument...
- */
+ if (*commptr == '?' && con->operation == HTTP_GET && !con->query_string)
+ {
+ commptr ++;
+ cupsdSetStringf(&(con->query_string), "QUERY_STRING=%s", commptr);
+ }
- if (*commptr)
- {
- argv[argc] = commptr;
- argc ++;
- }
- else
- break;
+ argc = 1;
+
+ if (*commptr)
+ {
+ argv[argc ++] = commptr;
+ for (; *commptr && argc < 99; commptr ++)
+ {
/*
- * If we see an "=" in the remaining string, make a copy of it since
- * it will be query data...
+ * Break arguments whenever we see a + or space...
*/
- if (argc == 2 && strchr(commptr, '=') && con->operation == HTTP_GET)
- cupsdSetStringf(&query_string, "QUERY_STRING=%s", commptr);
+ if (*commptr == ' ' || *commptr == '+')
+ {
+ while (*commptr == ' ' || *commptr == '+')
+ *commptr++ = '\0';
- /*
- * Don't skip the first non-blank character...
- */
+ /*
+ * If we don't have a blank string, save it as another argument...
+ */
- commptr --;
- }
- else if (*commptr == '%' && isxdigit(commptr[1] & 255) &&
- isxdigit(commptr[2] & 255))
- {
- /*
- * Convert the %xx notation to the individual character.
- */
+ if (*commptr)
+ {
+ argv[argc] = commptr;
+ argc ++;
+ }
+ else
+ break;
+ }
+ else if (*commptr == '%' && isxdigit(commptr[1] & 255) &&
+ isxdigit(commptr[2] & 255))
+ {
+ /*
+ * Convert the %xx notation to the individual character.
+ */
- if (commptr[1] >= '0' && commptr[1] <= '9')
- *commptr = (commptr[1] - '0') << 4;
- else
- *commptr = (tolower(commptr[1]) - 'a' + 10) << 4;
+ if (commptr[1] >= '0' && commptr[1] <= '9')
+ *commptr = (commptr[1] - '0') << 4;
+ else
+ *commptr = (tolower(commptr[1]) - 'a' + 10) << 4;
- if (commptr[2] >= '0' && commptr[2] <= '9')
- *commptr |= commptr[2] - '0';
- else
- *commptr |= tolower(commptr[2]) - 'a' + 10;
+ if (commptr[2] >= '0' && commptr[2] <= '9')
+ *commptr |= commptr[2] - '0';
+ else
+ *commptr |= tolower(commptr[2]) - 'a' + 10;
- _cups_strcpy(commptr + 1, commptr + 3);
+ _cups_strcpy(commptr + 1, commptr + 3);
- /*
- * Check for a %00 and break if that is the case...
- */
+ /*
+ * Check for a %00 and break if that is the case...
+ */
- if (!*commptr)
- break;
+ if (!*commptr)
+ break;
+ }
}
}
argv[argc] = NULL;
- if (argv[0][0] == '\0')
- argv[0] = strrchr(command, '/') + 1;
-
/*
* Setup the environment variables as needed...
*/
envp[envc ++] = remote_host;
envp[envc ++] = script_name;
+ if (path_info[0])
+ envp[envc ++] = path_info;
+
if (con->username[0])
{
snprintf(remote_user, sizeof(remote_user), "REMOTE_USER=%s", con->username);
envp[envc ++] = 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
{
- sprintf(content_length, "CONTENT_LENGTH=" CUPS_LLFMT, con->bytes);
+ sprintf(content_length, "CONTENT_LENGTH=" CUPS_LLFMT,
+ CUPS_LLCAST con->bytes);
snprintf(content_type, sizeof(content_type), "CONTENT_TYPE=%s",
con->http.fields[HTTP_FIELD_CONTENT_TYPE]);
* Tell the CGI if we are using encryption...
*/
- if (con->http.encryption == HTTP_ENCRYPT_ALWAYS)
+ if (con->http.tls)
envp[envc ++] = "HTTPS=ON";
/*
if (cupsdOpenPipe(fds))
{
- cupsdClearString(&query_string);
-
cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to create pipes for CGI %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, &pid) < 0)
{
/*
* Error - can't fork!
close(fds[1]);
}
- cupsdClearString(&query_string);
-
return (pid);
}
/*
- * End of "$Id: client.c 5083 2006-02-06 02:57:43Z mike $".
+ * 'write_file()' - Send a file via HTTP.
+ */
+
+static int /* O - 0 on failure, 1 on success */
+write_file(cupsd_client_t *con, /* I - Client connection */
+ http_status_t code, /* I - HTTP status */
+ char *filename, /* I - Filename */
+ char *type, /* I - File type */
+ struct stat *filestats) /* O - File information */
+{
+ con->file = open(filename, O_RDONLY);
+
+ cupsdLogMessage(CUPSD_LOG_DEBUG, "write_file: %d file=%d", con->http.fd,
+ con->file);
+
+ if (con->file < 0)
+ return (0);
+
+ fcntl(con->file, F_SETFD, fcntl(con->file, F_GETFD) | FD_CLOEXEC);
+
+ con->pipe_pid = 0;
+
+ if (!cupsdSendHeader(con, code, type))
+ return (0);
+
+ if (httpPrintf(HTTP(con), "Last-Modified: %s\r\n",
+ httpGetDateString(filestats->st_mtime)) < 0)
+ return (0);
+ if (httpPrintf(HTTP(con), "Content-Length: " CUPS_LLFMT "\r\n",
+ CUPS_LLCAST filestats->st_size) < 0)
+ return (0);
+ if (httpPrintf(HTTP(con), "\r\n") < 0)
+ return (0);
+
+ if (cupsdFlushHeader(con) < 0)
+ return (0);
+
+ con->http.data_encoding = HTTP_ENCODE_LENGTH;
+ con->http.data_remaining = filestats->st_size;
+
+ if (con->http.data_remaining <= INT_MAX)
+ con->http._data_remaining = con->http.data_remaining;
+ else
+ con->http._data_remaining = INT_MAX;
+
+ cupsdAddSelect(con->http.fd, (cupsd_selfunc_t)cupsdReadClient,
+ (cupsd_selfunc_t)cupsdWriteClient, con);
+
+ return (1);
+}
+
+
+/*
+ * End of "$Id: client.c 6329 2007-03-12 14:48:28Z mike $".
*/
projects / thirdparty / cups.git / blobdiff