-const char loaders_rcs[] = "$Id: loaders.c,v 1.16 2001/06/09 10:55:28 jongfoster Exp $";
+const char loaders_rcs[] = "$Id: loaders.c,v 1.29 2001/10/23 21:38:53 jongfoster Exp $";
/*********************************************************************
*
* File : $Source: /cvsroot/ijbswa/current/loaders.c,v $
*
* Purpose : Functions to load and unload the various
* configuration files. Also contains code to manage
- * the list of active loaders, and to automatically
+ * the list of active loaders, and to automatically
* unload files that are no longer in use.
*
* Copyright : Written by and Copyright (C) 2001 the SourceForge
* IJBSWA team. http://ijbswa.sourceforge.net
*
* Based on the Internet Junkbuster originally written
- * by and Copyright (C) 1997 Anonymous Coders and
+ * by and Copyright (C) 1997 Anonymous Coders and
* Junkbusters Corporation. http://www.junkbusters.com
*
- * This program is free software; you can redistribute it
+ * This program is free software; you can redistribute it
* and/or modify it under the terms of the GNU General
* Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at
*
* Revisions :
* $Log: loaders.c,v $
+ * Revision 1.29 2001/10/23 21:38:53 jongfoster
+ * Adding error-checking to create_url_spec()
+ *
+ * Revision 1.28 2001/10/07 15:40:39 oes
+ * Replaced 6 boolean members of csp with one bitmap (csp->flags)
+ *
+ * Revision 1.27 2001/09/22 16:36:59 jongfoster
+ * Removing unused parameter fs from read_config_line()
+ *
+ * Revision 1.26 2001/09/22 14:05:22 jongfoster
+ * Bugfix: Multiple escaped "#" characters in a configuration
+ * file are now permitted.
+ * Also removing 3 unused headers.
+ *
+ * Revision 1.25 2001/09/13 22:44:03 jongfoster
+ * Adding {} to an if statement
+ *
+ * Revision 1.24 2001/07/30 22:08:36 jongfoster
+ * Tidying up #defines:
+ * - All feature #defines are now of the form FEATURE_xxx
+ * - Permanently turned off WIN_GUI_EDIT
+ * - Permanently turned on WEBDAV and SPLIT_PROXY_ARGS
+ *
+ * Revision 1.23 2001/07/20 15:51:54 oes
+ * Fixed indentation of prepocessor commands
+ *
+ * Revision 1.22 2001/07/20 15:16:17 haroon
+ * - per Guy's suggestion, added a while loop in sweep() to catch not just
+ * the last inactive CSP but all other consecutive inactive CSPs after that
+ * as well
+ *
+ * Revision 1.21 2001/07/18 17:26:24 oes
+ * Changed to conform to new pcrs interface
+ *
+ * Revision 1.20 2001/07/17 13:07:01 oes
+ * Fixed segv when last line in config files
+ * lacked a terminating (\r)\n
+ *
+ * Revision 1.19 2001/07/13 14:01:54 oes
+ * Removed all #ifdef PCRS
+ *
+ * Revision 1.18 2001/06/29 21:45:41 oes
+ * Indentation, CRLF->LF, Tab-> Space
+ *
+ * Revision 1.17 2001/06/29 13:31:51 oes
+ * Various adaptions
+ *
* Revision 1.16 2001/06/09 10:55:28 jongfoster
* Changing BUFSIZ ==> BUFFER_SIZE
*
#include <errno.h>
#include <sys/stat.h>
#include <ctype.h>
+#include <assert.h>
-#ifndef _WIN32
+#if !defined(_WIN32) && !defined(__OS2__)
#include <unistd.h>
#endif
#include "project.h"
#include "list.h"
#include "loaders.h"
-#include "encode.h"
#include "filters.h"
#include "parsers.h"
#include "jcc.h"
-#include "ssplit.h"
#include "miscutil.h"
#include "errlog.h"
-#include "gateway.h"
#include "actions.h"
-#ifndef SPLIT_PROXY_ARGS
-/* For strsav */
-#include "showargs.h"
-#endif /* ndef SPLIT_PROXY_ARGS */
-
const char loaders_h_rcs[] = LOADERS_H_VERSION;
/* Fix a problem with Solaris. There should be no effect on other
* These are also entered in the main linked list of files.
*/
-#ifdef TRUST_FILES
+#ifdef FEATURE_TRUST
static struct file_list *current_trustfile = NULL;
-#endif /* def TRUST_FILES */
+#endif /* def FEATURE_TRUST */
-#ifdef PCRS
static struct file_list *current_re_filterfile = NULL;
-#endif /* def PCRS */
+
/*********************************************************************
for (csp = clients; csp && (ncsp = csp->next) ; csp = csp->next)
{
- if (ncsp->active)
+ if (ncsp->flags & CSP_FLAG_ACTIVE)
{
/* mark this client's files as active */
ncsp->actions_list->active = 1;
}
-#ifdef PCRS
- if (ncsp->rlist) /* perl re files */
+ if (ncsp->rlist) /* pcrsjob files */
{
ncsp->rlist->active = 1;
}
-#endif /* def PCRS */
-#ifdef TRUST_FILES
+#ifdef FEATURE_TRUST
if (ncsp->tlist) /* trust files */
{
ncsp->tlist->active = 1;
}
-#endif /* def TRUST_FILES */
+#endif /* def FEATURE_TRUST */
}
else
+ /*
+ * this client is not active, release its resources
+ * and the ones of all inactive clients that might
+ * follow it
+ */
{
- /* this client one is not active, release its resources */
- csp->next = ncsp->next;
+ while (!(ncsp->flags & CSP_FLAG_ACTIVE))
+ {
+ csp->next = ncsp->next;
- freez(ncsp->ip_addr_str);
- freez(ncsp->my_ip_addr_str);
- freez(ncsp->my_hostname);
+ freez(ncsp->ip_addr_str);
+ freez(ncsp->my_ip_addr_str);
+ freez(ncsp->my_hostname);
-#ifdef TRUST_FILES
- freez(ncsp->referrer);
-#endif /* def TRUST_FILES */
- freez(ncsp->x_forwarded);
- freez(ncsp->iob->buf);
+#ifdef FEATURE_TRUST
+ freez(ncsp->referrer);
+#endif /* def FEATURE_TRUST */
+ freez(ncsp->x_forwarded);
+ freez(ncsp->iob->buf);
- free_http_request(ncsp->http);
+ free_http_request(ncsp->http);
- destroy_list(ncsp->headers);
- destroy_list(ncsp->cookie_list);
+ destroy_list(ncsp->headers);
+ destroy_list(ncsp->cookie_list);
- free_current_action(ncsp->action);
+ free_current_action(ncsp->action);
-#ifdef STATISTICS
- urls_read++;
- if (ncsp->rejected)
- {
- urls_rejected++;
- }
-#endif /* def STATISTICS */
+#ifdef FEATURE_STATISTICS
+ urls_read++;
+ if (ncsp->flags & CSP_FLAG_REJECTED)
+ {
+ urls_rejected++;
+ }
+#endif /* def FEATURE_STATISTICS */
+
+ freez(ncsp);
- freez(ncsp);
+ /* are there any more in sequence after it? */
+ if( !(ncsp = csp->next) )
+ break;
+ }
}
}
(nfl->unloader)(nfl->f);
-#ifndef SPLIT_PROXY_ARGS
- freez(nfl->proxy_args);
-#endif /* ndef SPLIT_PROXY_ARGS */
-
freez(nfl->filename);
freez(nfl);
* function fails, the contents of the buffer
* are lost forever.
*
- * Returns : 0 => Ok, everything else is an error.
+ * Returns : JB_ERR_OK - Success
+ * JB_ERR_MEMORY - Out of memory
+ * JB_ERR_PARSE - Cannot parse regex (Detailed message
+ * written to system log)
*
*********************************************************************/
-int create_url_spec(struct url_spec * url, char * buf)
+jb_err create_url_spec(struct url_spec * url, char * buf)
{
char *p;
struct url_spec tmp_url[1];
- /* paranoia - should never happen. */
- if ((url == NULL) || (buf == NULL))
- {
- return 1;
- }
+ assert(url);
+ assert(buf);
/* save a copy of the orignal specification */
if ((url->spec = strdup(buf)) == NULL)
{
- return 1;
+ return JB_ERR_MEMORY;
}
if ((p = strchr(buf, '/')))
if (NULL == (url->path = strdup(p)))
{
freez(url->spec);
- return 1;
+ return JB_ERR_MEMORY;
}
url->pathlen = strlen(url->path);
*p = '\0';
{
freez(url->spec);
freez(url->path);
- return 1;
+ return JB_ERR_MEMORY;
}
sprintf(rebuf, "^(%s)", url->path);
(REG_EXTENDED|REG_NOSUB|REG_ICASE));
if (errcode)
{
- size_t errlen =
- regerror(errcode,
- url->preg, buf, sizeof(buf));
+ size_t errlen = regerror(errcode,
+ url->preg, rebuf, sizeof(rebuf));
- buf[errlen] = '\0';
+ if (errlen > (sizeof(rebuf) - (size_t)1))
+ {
+ errlen = sizeof(rebuf) - (size_t)1;
+ }
+ rebuf[errlen] = '\0';
log_error(LOG_LEVEL_ERROR, "error compiling %s: %s",
- url->spec, buf);
+ url->spec, rebuf);
freez(url->spec);
freez(url->path);
freez(url->preg);
- return 1;
+ return JB_ERR_PARSE;
}
}
#endif
#ifdef REGEX
freez(url->preg);
#endif /* def REGEX */
- return 1;
+ return JB_ERR_MEMORY;
}
/* split domain into components */
*tmp_url = dsplit(url->domain);
+ if (tmp_url->dbuf == NULL)
+ {
+ freez(url->spec);
+ freez(url->path);
+ freez(url->domain);
+#ifdef REGEX
+ freez(url->preg);
+#endif /* def REGEX */
+ return JB_ERR_MEMORY;
+ }
+
url->dbuf = tmp_url->dbuf;
url->dcnt = tmp_url->dcnt;
url->dvec = tmp_url->dvec;
url->unanchored = tmp_url->unanchored;
- return 0; /* OK */
+ return JB_ERR_OK;
+
}
*
* Description : Helper function to check if a file needs reloading.
* If "current" is still current, return it. Otherwise
- * allocates a new (zeroed) "struct file_list", fills
+ * allocates a new (zeroed) "struct file_list", fills
* in the disk file name and timestamp, and returns it.
*
* Parameters :
* 1 : current = The file_list currently being used - will
- * be checked to see if it is out of date.
+ * be checked to see if it is out of date.
* May be NULL (which is treated as out of
* date).
* 2 : filename = Name of file to check.
* This will be set to NULL, OR a struct
* file_list newly allocated on the
* heap, with the filename and lastmodified
- * fields filled, standard header giving file
- * name in proxy_args, and all others zeroed.
- * (proxy_args is only filled in if !defined
- * SPLIT_PROXY_ARGS and !suppress_blocklists).
+ * fields filled, and all others zeroed.
*
* Returns : If file unchanged: 0 (and sets newfl == NULL)
* If file changed: 1 and sets newfl != NULL
return 1;
}
-#ifndef SPLIT_PROXY_ARGS
- if (!suppress_blocklists)
- {
- char * p = html_encode(filename);
- if (p)
- {
- fs->proxy_args = strsav(fs->proxy_args, "<h2>The file `");
- fs->proxy_args = strsav(fs->proxy_args, p);
- fs->proxy_args = strsav(fs->proxy_args,
- "' contains the following patterns</h2>\n");
- freez(p);
- }
- fs->proxy_args = strsav(fs->proxy_args, "<pre>");
- }
-#endif /* ndef SPLIT_PROXY_ARGS */
*newfl = fs;
return 1;
+
}
* Description : Read a single non-empty line from a file and return
* it. Trims comments, leading and trailing whitespace
* and respects escaping of newline and comment char.
- * Also writes the file to fs->proxy_args.
*
* Parameters :
* 1 : buf = Buffer to use.
* 2 : buflen = Size of buffer in bytes.
* 3 : fp = File to read from
- * 4 : fs = File will be written to fs->proxy_args. May
- * be NULL to disable this feature.
*
* Returns : NULL on EOF or error
* Otherwise, returns buf.
*
*********************************************************************/
-char *read_config_line(char *buf, int buflen, FILE *fp, struct file_list *fs)
+char *read_config_line(char *buf, int buflen, FILE *fp)
{
- char *p, *q;
+ char *p;
+ char *src;
+ char *dest;
char linebuf[BUFFER_SIZE];
int contflag = 0;
while (fgets(linebuf, sizeof(linebuf), fp))
{
-#ifndef SPLIT_PROXY_ARGS
- if (fs && !suppress_blocklists)
- {
- char *html_line = html_encode(linebuf);
- if (html_line != NULL)
- {
- fs->proxy_args = strsav(fs->proxy_args, html_line);
- freez(html_line);
- }
- fs->proxy_args = strsav(fs->proxy_args, "<br>");
- }
-#endif /* ndef SPLIT_PROXY_ARGS */
-
/* Trim off newline */
if ((p = strpbrk(linebuf, "\r\n")) != NULL)
{
*p = '\0';
}
+ else
+ {
+ p = linebuf + strlen(linebuf);
+ }
/* Line continuation? Trim escape and set flag. */
if ((p != linebuf) && (*--p == '\\'))
}
/* If there's a comment char.. */
- if ((p = strpbrk(linebuf, "#")) != NULL)
+ p = linebuf;
+ while ((p = strchr(p, '#')) != NULL)
{
/* ..and it's escaped, left-shift the line over the escape. */
if ((p != linebuf) && (*(p-1) == '\\'))
{
- q = p-1;
- while ((*q++ = *p++) != '\0') /* nop */;
+ src = p;
+ dest = p - 1;
+ while ((*dest++ = *src++) != '\0')
+ {
+ /* nop */
+ }
+ /* Now scan from just after the "#". */
}
/* Else, chop off the rest of the line */
else
if (contflag)
{
contflag = 0;
- continue;
+ continue;
}
- /* Remove leading and trailing whitespace */
+ /* Remove leading and trailing whitespace */
chomp(buf);
if (*buf)
}
-#ifdef TRUST_FILES
+#ifdef FEATURE_TRUST
/*********************************************************************
*
* Function : unload_trustfile
struct block_spec *b = (struct block_spec *)f;
if (b == NULL) return;
- unload_trustfile(b->next);
+ unload_trustfile(b->next); /* Stack is cheap, isn't it? */
free_url(b->url);
tl = csp->config->trust_list;
- while (read_config_line(buf, sizeof(buf), fp, fs) != NULL)
+ while (read_config_line(buf, sizeof(buf), fp) != NULL)
{
trusted = 0;
reject = 1;
fclose(fp);
-#ifndef SPLIT_PROXY_ARGS
- if (!suppress_blocklists)
- {
- fs->proxy_args = strsav(fs->proxy_args, "</pre>");
- }
-#endif /* ndef SPLIT_PROXY_ARGS */
-
/* the old one is now obsolete */
if (current_trustfile)
{
return(-1);
}
-#endif /* def TRUST_FILES */
+#endif /* def FEATURE_TRUST */
-#ifdef PCRS
/*********************************************************************
*
* Function : unload_re_filterfile
{
struct re_filterfile_spec *b = (struct re_filterfile_spec *)f;
- if (b == NULL) return;
+ if (b == NULL)
+ {
+ return;
+ }
destroy_list(b->patterns);
-
pcrs_free_joblist(b->joblist);
-
freez(b);
+ return;
}
/*********************************************************************
}
/* Read line by line */
- while (read_config_line(buf, sizeof(buf), fp, fs) != NULL)
+ while (read_config_line(buf, sizeof(buf), fp) != NULL)
{
enlist( bl->patterns, buf );
/* We have a meaningful line -> make it a job */
- if ((dummy = pcrs_compile(buf, &error)) == NULL)
+ if ((dummy = pcrs_compile_command(buf, &error)) == NULL)
{
- log_error(LOG_LEVEL_RE_FILTER,
+ log_error(LOG_LEVEL_RE_FILTER,
"Adding re_filter job %s failed with error %d.", buf, error);
continue;
}
fclose(fp);
-#ifndef SPLIT_PROXY_ARGS
- if (!suppress_blocklists)
- {
- fs->proxy_args = strsav(fs->proxy_args, "</pre>");
- }
-#endif /* ndef SPLIT_PROXY_ARGS */
-
/* the old one is now obsolete */
if ( NULL != current_re_filterfile )
{
return( 0 );
load_re_filterfile_error:
- log_error(LOG_LEVEL_FATAL, "can't load re_filterfile '%s': %E",
+ log_error(LOG_LEVEL_FATAL, "can't load re_filterfile '%s': %E",
csp->config->re_filterfile);
return(-1);
}
-#endif /* def PCRS */
/*********************************************************************
* Returns : N/A
*
*********************************************************************/
-void add_loader(int (*loader)(struct client_state *),
+void add_loader(int (*loader)(struct client_state *),
struct configuration_spec * config)
{
int i;
Local Variables:
tab-width: 3
end:
-*/
+*/
\ No newline at end of file
projects / privoxy.git / blobdiff