/*
- * "$Id$"
- *
* Client routines for the CUPS scheduler.
*
- * Copyright 2007-2014 by Apple Inc.
+ * Copyright 2007-2015 by Apple Inc.
* Copyright 1997-2007 by Easy Software Products, all rights reserved.
*
* This file contains Kerberos support code, copyright 2006 by
#endif /* HAVE_TCPD_H */
- cupsdLogMessage(CUPSD_LOG_DEBUG2,
- "cupsdAcceptClient(lis=%p(%d)) Clients=%d",
- lis, lis->fd, cupsArrayCount(Clients));
+ cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdAcceptClient(lis=%p(%d)) Clients=%d", lis, lis->fd, cupsArrayCount(Clients));
/*
* Make sure we don't have a full set of clients already...
* Save the connected address and port number...
*/
- con->clientaddr = lis->address;
+ addrlen = sizeof(con->clientaddr);
+
+ if (getsockname(httpGetFd(con->http), (struct sockaddr *)&con->clientaddr, &addrlen) || addrlen == 0)
+ con->clientaddr = lis->address;
+
+ cupsdLogClient(con, CUPSD_LOG_DEBUG, "Server address is \"%s\".", httpAddrString(&con->clientaddr, name, sizeof(name)));
/*
* Check the number of clients on the same address...
cupsd_client_t *con; /* Current client */
- cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdCloseAllClients() Clients=%d",
- cupsArrayCount(Clients));
+ cupsdLogMessage(CUPSD_LOG_DEBUG2, "cupsdCloseAllClients() Clients=%d", cupsArrayCount(Clients));
for (con = (cupsd_client_t *)cupsArrayFirst(Clients);
con;
httpClose(con->http);
- cupsdClearString(&con->filename);
+ if (con->filename)
+ {
+ unlink(con->filename);
+ cupsdClearString(&con->filename);
+ }
+
cupsdClearString(&con->command);
cupsdClearString(&con->options);
cupsdClearString(&con->query_string);
status = HTTP_STATUS_CONTINUE;
- cupsdLogClient(con, CUPSD_LOG_DEBUG2,
- "cupsdReadClient "
- "error=%d, "
- "used=%d, "
- "state=%s, "
- "data_encoding=HTTP_ENCODING_%s, "
- "data_remaining=" CUPS_LLFMT ", "
- "request=%p(%s), "
- "file=%d",
- httpError(con->http), (int)httpGetReady(con->http),
- httpStateString(httpGetState(con->http)),
- httpIsChunked(con->http) ? "CHUNKED" : "LENGTH",
- CUPS_LLCAST httpGetRemaining(con->http),
- con->request,
- con->request ? ippStateString(ippGetState(con->request)) : "",
- con->file);
+ cupsdLogClient(con, CUPSD_LOG_DEBUG2, "cupsdReadClient: error=%d, used=%d, state=%s, data_encoding=HTTP_ENCODING_%s, data_remaining=" CUPS_LLFMT ", request=%p(%s), file=%d", httpError(con->http), (int)httpGetReady(con->http), httpStateString(httpGetState(con->http)), httpIsChunked(con->http) ? "CHUNKED" : "LENGTH", CUPS_LLCAST httpGetRemaining(con->http), con->request, con->request ? ippStateString(ippGetState(con->request)) : "", con->file);
if (httpGetState(con->http) == HTTP_STATE_GET_SEND ||
httpGetState(con->http) == HTTP_STATE_POST_SEND ||
return;
}
- cupsdLogClient(con, CUPSD_LOG_DEBUG, "Closing on unexpected HTTP read state %s.",
- httpStateString(httpGetState(con->http)));
+ cupsdLogClient(con, CUPSD_LOG_DEBUG, "Closing on unexpected HTTP read state %s.", httpStateString(httpGetState(con->http)));
cupsdCloseClient(con);
return;
}
* Encrypt this connection...
*/
- cupsdLogClient(con, CUPSD_LOG_DEBUG2,
- "Saw first byte %02X, auto-negotiating "
- "SSL/TLS session.", buf[0] & 255);
+ cupsdLogClient(con, CUPSD_LOG_DEBUG2, "Saw first byte %02X, auto-negotiating SSL/TLS session.", buf[0] & 255);
if (cupsd_start_tls(con, HTTP_ENCRYPTION_ALWAYS))
cupsdCloseClient(con);
break;
}
}
- else if (!WebInterface)
- {
- /*
- * Web interface is disabled. Show an appropriate message...
- */
-
- if (!cupsdSendError(con, HTTP_STATUS_CUPS_WEBIF_DISABLED, CUPSD_AUTH_NONE))
- {
- cupsdCloseClient(con);
- return;
- }
-
- break;
- }
- if ((!strncmp(con->uri, "/admin", 6) &&
- strncmp(con->uri, "/admin/conf/", 12) &&
- strncmp(con->uri, "/admin/log/", 11)) ||
+ if ((!strncmp(con->uri, "/admin", 6) && strcmp(con->uri, "/admin/conf/cupsd.conf") && 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 (!WebInterface)
+ {
+ /*
+ * Web interface is disabled. Show an appropriate message...
+ */
+
+ if (!cupsdSendError(con, HTTP_STATUS_CUPS_WEBIF_DISABLED, CUPSD_AUTH_NONE))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+
+ break;
+ }
+
/*
* Send CGI output...
*/
if (httpGetVersion(con->http) <= HTTP_VERSION_1_0)
httpSetKeepAlive(con->http, 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)))
+ else if (!strncmp(con->uri, "/admin/log/", 11) && (strchr(con->uri + 11, '/') || strlen(con->uri) == 11))
{
/*
* GET can only be done to configuration files directly under
* /admin/conf...
*/
- cupsdLogClient(con, CUPSD_LOG_ERROR,
- "Request for subdirectory \"%s\"!", con->uri);
+ cupsdLogClient(con, CUPSD_LOG_ERROR, "Request for subdirectory \"%s\".", con->uri);
if (!cupsdSendError(con, HTTP_STATUS_FORBIDDEN, CUPSD_AUTH_NONE))
{
break;
}
- else if ((!strncmp(con->uri, "/admin", 6) &&
- strncmp(con->uri, "/admin/conf/", 12) &&
- strncmp(con->uri, "/admin/log/", 11)) ||
+ else if ((!strncmp(con->uri, "/admin", 6) && strncmp(con->uri, "/admin/log/", 11)) ||
!strncmp(con->uri, "/printers", 9) ||
!strncmp(con->uri, "/classes", 8) ||
!strncmp(con->uri, "/help", 5) ||
break;
}
- if ((!strncmp(con->uri, "/admin", 6) &&
- strncmp(con->uri, "/admin/conf/", 12) &&
- strncmp(con->uri, "/admin/log/", 11)) ||
+ if ((!strncmp(con->uri, "/admin", 6) && strcmp(con->uri, "/admin/conf/cupsd.conf") && strncmp(con->uri, "/admin/log/", 11)) ||
!strncmp(con->uri, "/printers", 9) ||
!strncmp(con->uri, "/classes", 8) ||
!strncmp(con->uri, "/help", 5) ||
cupsdLogRequest(con, HTTP_STATUS_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)))
+ else if (!strncmp(con->uri, "/admin/log/", 11) && (strchr(con->uri + 11, '/') || strlen(con->uri) == 11))
{
/*
* HEAD can only be done to configuration files under
{
con->bytes += bytes;
+ if (MaxRequestSize > 0 && con->bytes > MaxRequestSize)
+ {
+ close(con->file);
+ con->file = -1;
+ unlink(con->filename);
+ cupsdClearString(&con->filename);
+
+ if (!cupsdSendError(con, HTTP_STATUS_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+ }
+
if (write(con->file, line, (size_t)bytes) < bytes)
{
cupsdLogClient(con, CUPSD_LOG_ERROR,
}
}
}
+ else if (httpGetState(con->http) == HTTP_STATE_PUT_RECV)
+ {
+ cupsdCloseClient(con);
+ return;
+ }
}
while (httpGetState(con->http) == HTTP_STATE_PUT_RECV && httpGetReady(con->http));
{
con->bytes += bytes;
+ if (MaxRequestSize > 0 && con->bytes > MaxRequestSize)
+ {
+ close(con->file);
+ con->file = -1;
+ unlink(con->filename);
+ cupsdClearString(&con->filename);
+
+ if (!cupsdSendError(con, HTTP_STATUS_REQUEST_TOO_LARGE, CUPSD_AUTH_NONE))
+ {
+ cupsdCloseClient(con);
+ return;
+ }
+ }
+
if (write(con->file, line, (size_t)bytes) < bytes)
{
cupsdLogClient(con, CUPSD_LOG_ERROR,
http_status_t code, /* I - Error code */
int auth_type)/* I - Authentication type */
{
- cupsdLogClient(con, CUPSD_LOG_DEBUG2, "cupsdSendError code=%d, auth_type=%d",
- code, auth_type);
+ char location[HTTP_MAX_VALUE]; /* Location field */
+
+
+ cupsdLogClient(con, CUPSD_LOG_DEBUG2, "cupsdSendError code=%d, auth_type=%d", code, auth_type);
#ifdef HAVE_SSL
/*
* never disable it in that case.
*/
+ strlcpy(location, httpGetField(con->http, HTTP_FIELD_LOCATION), sizeof(location));
+
httpClearFields(con->http);
+ httpSetField(con->http, HTTP_FIELD_LOCATION, location);
+
if (code >= HTTP_STATUS_BAD_REQUEST && con->type != CUPSD_AUTH_NEGOTIATE)
httpSetKeepAlive(con->http, HTTP_KEEPALIVE_OFF);
if (*ptr == '\0')
return (1);
- cupsdLogClient(con, CUPSD_LOG_DEBUG2,
- "check_if_modified "
- "filestats=%p(" CUPS_LLFMT ", %d)) If-Modified-Since=\"%s\"",
- filestats, CUPS_LLCAST filestats->st_size,
- (int)filestats->st_mtime, ptr);
+ cupsdLogClient(con, CUPSD_LOG_DEBUG2, "check_if_modified: filestats=%p(" CUPS_LLFMT ", %d)) If-Modified-Since=\"%s\"", filestats, CUPS_LLCAST filestats->st_size, (int)filestats->st_mtime, ptr);
while (*ptr != '\0')
{
return (-1);
}
- cupsdLogClient(con, CUPSD_LOG_INFO, "Connection now encrypted.");
+ cupsdLogClient(con, CUPSD_LOG_DEBUG, "Connection now encrypted.");
return (0);
}
#endif /* HAVE_SSL */
int status; /* Status of filesystem calls */
char *ptr; /* Pointer info filename */
size_t plen; /* Remaining length after pointer */
- char language[7]; /* Language subdirectory, if any */
+ char language[7], /* Language subdirectory, if any */
+ dest[1024]; /* Destination name */
int perm_check = 1; /* Do permissions check? */
if (!strncmp(con->uri, "/ppd/", 5) && !strchr(con->uri + 5, '/'))
{
+ strlcpy(dest, con->uri + 5, sizeof(dest));
+ ptr = dest + strlen(dest) - 4;
+
+ if (ptr <= dest || strcmp(ptr, ".ppd"))
+ {
+ cupsdLogClient(con, CUPSD_LOG_INFO, "Disallowed path \"%s\".", con->uri);
+ return (NULL);
+ }
+
+ *ptr = '\0';
+ if (!cupsdFindPrinter(dest))
+ {
+ cupsdLogClient(con, CUPSD_LOG_INFO, "No printer \"%s\" found.", dest);
+ return (NULL);
+ }
+
snprintf(filename, len, "%s%s", ServerRoot, con->uri);
perm_check = 0;
}
else if (!strncmp(con->uri, "/icons/", 7) && !strchr(con->uri + 7, '/'))
{
- snprintf(filename, len, "%s/%s", CacheDir, con->uri + 7);
+ strlcpy(dest, con->uri + 7, sizeof(dest));
+ ptr = dest + strlen(dest) - 4;
+
+ if (ptr <= dest || strcmp(ptr, ".png"))
+ {
+ cupsdLogClient(con, CUPSD_LOG_INFO, "Disallowed path \"%s\".", con->uri);
+ return (NULL);
+ }
+
+ *ptr = '\0';
+ if (!cupsdFindDest(dest))
+ {
+ cupsdLogClient(con, CUPSD_LOG_INFO, "No printer \"%s\" found.", dest);
+ return (NULL);
+ }
+
+ snprintf(filename, len, "%s/%s.png", CacheDir, dest);
if (access(filename, F_OK) < 0)
snprintf(filename, len, "%s/images/generic.png", DocumentRoot);
}
}
- cupsdLogClient(con, CUPSD_LOG_DEBUG2, "get_file filestats=%p, filename=%p, len=" CUPS_LLFMT ", returning \"%s\".", filestats, filename, CUPS_LLCAST len, status ? "(null)" : filename);
+ cupsdLogClient(con, CUPSD_LOG_DEBUG2, "get_file: filestats=%p, filename=%p, len=" CUPS_LLFMT ", returning \"%s\".", filestats, filename, CUPS_LLCAST len, status ? "(null)" : filename);
if (status)
return (NULL);
{
cupsdLogClient(con, CUPSD_LOG_ERROR, "Unable to open request file \"%s\": %s",
con->filename, strerror(errno));
- return (HTTP_STATUS_SERVER_ERROR);
+ goto server_error;
}
/*
if ((out = cupsdCreateConfFile(ConfigurationFile, ConfigFilePerm)) == NULL)
{
cupsFileClose(in);
- return (HTTP_STATUS_SERVER_ERROR);
+ goto server_error;
}
cupsdLogClient(con, CUPSD_LOG_INFO, "Installing config file \"%s\"...",
snprintf(filename, sizeof(filename), "%s.N", ConfigurationFile);
cupsdUnlinkOrRemoveFile(filename);
- return (HTTP_STATUS_SERVER_ERROR);
+ goto server_error;
}
/*
cupsFileClose(in);
if (cupsdCloseCreatedConfFile(out, ConfigurationFile))
- return (HTTP_STATUS_SERVER_ERROR);
+ goto server_error;
/*
* Remove the request file...
*/
return (HTTP_STATUS_CREATED);
+
+ /*
+ * Common exit for errors...
+ */
+
+ server_error:
+
+ cupsdUnlinkOrRemoveFile(con->filename);
+ cupsdClearString(&con->filename);
+
+ return (HTTP_STATUS_SERVER_ERROR);
}
if (!type || _cups_strcasecmp(type->super, "application"))
{
- cupsdLogClient(con, CUPSD_LOG_DEBUG2,
- "is_cgi filename=\"%s\", filestats=%p, "
- "type=%s/%s, returning 0", filename,
- filestats, type ? type->super : "unknown",
- type ? type->type : "unknown");
+ cupsdLogClient(con, CUPSD_LOG_DEBUG2, "is_cgi: filename=\"%s\", filestats=%p, type=%s/%s, returning 0.", filename, filestats, type ? type->super : "unknown", type ? type->type : "unknown");
return (0);
}
if (options)
cupsdSetStringf(&con->options, " %s", options);
- cupsdLogClient(con, CUPSD_LOG_DEBUG2,
- "is_cgi filename=\"%s\", filestats=%p, "
- "type=%s/%s, returning 1", filename,
- filestats, type->super, type->type);
+ cupsdLogClient(con, CUPSD_LOG_DEBUG2, "is_cgi: filename=\"%s\", filestats=%p, type=%s/%s, returning 1.", filename, filestats, type->super, type->type);
return (1);
}
#ifdef HAVE_JAVA
else
cupsdSetStringf(&con->options, " %s", filename);
- cupsdLogClient(con, CUPSD_LOG_DEBUG2,
- "is_cgi filename=\"%s\", filestats=%p, "
- "type=%s/%s, returning 1", filename,
- filestats, type->super, type->type);
+ cupsdLogClient(con, CUPSD_LOG_DEBUG2, "is_cgi: filename=\"%s\", filestats=%p, type=%s/%s, returning 1.", filename, filestats, type->super, type->type);
return (1);
}
#endif /* HAVE_JAVA */
else
cupsdSetStringf(&con->options, " %s", filename);
- cupsdLogClient(con, CUPSD_LOG_DEBUG2,
- "is_cgi filename=\"%s\", filestats=%p, "
- "type=%s/%s, returning 1", filename,
- filestats, type->super, type->type);
+ cupsdLogClient(con, CUPSD_LOG_DEBUG2, "is_cgi: filename=\"%s\", filestats=%p, type=%s/%s, returning 1.", filename, filestats, type->super, type->type);
return (1);
}
#endif /* HAVE_PERL */
else
cupsdSetStringf(&con->options, " %s", filename);
- cupsdLogClient(con, CUPSD_LOG_DEBUG2,
- "is_cgi filename=\"%s\", filestats=%p, "
- "type=%s/%s, returning 1", filename,
- filestats, type->super, type->type);
+ cupsdLogClient(con, CUPSD_LOG_DEBUG2, "is_cgi: filename=\"%s\", filestats=%p, type=%s/%s, returning 1.", filename, filestats, type->super, type->type);
return (1);
}
#endif /* HAVE_PHP */
else
cupsdSetStringf(&con->options, " %s", filename);
- cupsdLogClient(con, CUPSD_LOG_DEBUG2,
- "is_cgi filename=\"%s\", filestats=%p, "
- "type=%s/%s, returning 1", filename,
- filestats, type->super, type->type);
+ cupsdLogClient(con, CUPSD_LOG_DEBUG2, "is_cgi: filename=\"%s\", filestats=%p, type=%s/%s, returning 1.", filename, filestats, type->super, type->type);
return (1);
}
#endif /* HAVE_PYTHON */
- cupsdLogClient(con, CUPSD_LOG_DEBUG2,
- "is_cgi filename=\"%s\", filestats=%p, "
- "type=%s/%s, returning 0", filename,
- filestats, type->super, type->type);
+ cupsdLogClient(con, CUPSD_LOG_DEBUG2, "is_cgi: filename=\"%s\", filestats=%p, type=%s/%s, returning 0.", filename, filestats, type->super, type->type);
return (0);
}
* be consistent with Apache...
*/
- cupsdLogClient(con, CUPSD_LOG_DEBUG2,
- "pipe_command infile=%d, outfile=%p, "
- "command=\"%s\", options=\"%s\", root=%d",
- infile, outfile, command,
- options ? options : "(null)", root);
+ cupsdLogClient(con, CUPSD_LOG_DEBUG2, "pipe_command: infile=%d, outfile=%p, command=\"%s\", options=\"%s\", root=%d", infile, outfile, command, options ? options : "(null)", root);
argv[0] = command;
{
con->file = open(filename, O_RDONLY);
- cupsdLogClient(con, CUPSD_LOG_DEBUG2,
- "write_file code=%d, filename=\"%s\" (%d), "
- "type=\"%s\", filestats=%p",
- code, filename, con->file, type ? type : "(null)", filestats);
+ cupsdLogClient(con, CUPSD_LOG_DEBUG2, "write_file: code=%d, filename=\"%s\" (%d), type=\"%s\", filestats=%p.", code, filename, con->file, type ? type : "(null)", filestats);
if (con->file < 0)
return (0);
static void
write_pipe(cupsd_client_t *con) /* I - Client connection */
{
- cupsdLogClient(con, CUPSD_LOG_DEBUG2, "write_pipe CGI output on fd %d",
- con->file);
+ cupsdLogClient(con, CUPSD_LOG_DEBUG2, "write_pipe: CGI output on fd %d.", con->file);
con->file_ready = 1;
cupsdLogClient(con, CUPSD_LOG_DEBUG, "CGI data ready to be sent.");
}
-
-
-/*
- * End of "$Id$".
- */
projects / thirdparty / cups.git / blobdiff