-const char loaders_rcs[] = "$Id: loaders.c,v 1.92 2012/07/23 12:43:56 fabiankeil Exp $";
/*********************************************************************
*
* File : $Source: /cvsroot/ijbswa/current/loaders.c,v $
* the list of active loaders, and to automatically
* unload files that are no longer in use.
*
- * Copyright : Written by and Copyright (C) 2001-2012 the
- * Privoxy team. http://www.privoxy.org/
+ * Copyright : Written by and Copyright (C) 2001-2014 the
+ * Privoxy team. https://www.privoxy.org/
*
* Based on the Internet Junkbuster originally written
* by and Copyright (C) 1997 Anonymous Coders and
#include <ctype.h>
#include <assert.h>
-#if !defined(_WIN32) && !defined(__OS2__)
+#if !defined(_WIN32)
#include <unistd.h>
#endif
#include "urlmatch.h"
#include "encode.h"
-const char loaders_h_rcs[] = LOADERS_H_VERSION;
-
/*
* Currently active files.
* These are also entered in the main linked list of files.
static struct file_list *current_trustfile = NULL;
#endif /* def FEATURE_TRUST */
+#ifndef FUZZ
static int load_one_re_filterfile(struct client_state *csp, int fileid);
+#endif
static struct file_list *current_re_filterfile[MAX_AF_FILES] = {
NULL, NULL, NULL, NULL, NULL,
NULL, NULL, NULL, NULL, NULL
};
+/*********************************************************************
+ *
+ * Function : free_csp_resources
+ *
+ * Description : Frees memory referenced by the csp that isn't
+ * shared with other csps.
+ *
+ * Parameters :
+ * 1 : csp = Current client state (buffers, headers, etc...)
+ *
+ * Returns : N/A
+ *
+ *********************************************************************/
+void free_csp_resources(struct client_state *csp)
+{
+ freez(csp->ip_addr_str);
+#ifdef FEATURE_CLIENT_TAGS
+ freez(csp->client_address);
+#endif
+ freez(csp->listen_addr_str);
+ freez(csp->client_iob->buf);
+ freez(csp->iob->buf);
+ freez(csp->error_message);
+
+ if (csp->action->flags & ACTION_FORWARD_OVERRIDE &&
+ NULL != csp->fwd)
+ {
+ unload_forward_spec(csp->fwd);
+ }
+ free_http_request(csp->http);
+
+ destroy_list(csp->headers);
+#ifdef FEATURE_HTTPS_INSPECTION
+ destroy_list(csp->https_headers);
+#endif
+ destroy_list(csp->tags);
+#ifdef FEATURE_CLIENT_TAGS
+ destroy_list(csp->client_tags);
+#endif
+
+ free_current_action(csp->action);
+}
/*********************************************************************
*
{
last_active->next = client_list->next;
- freez(csp->ip_addr_str);
- freez(csp->client_iob->buf);
- freez(csp->iob->buf);
- freez(csp->error_message);
-
- if (csp->action->flags & ACTION_FORWARD_OVERRIDE &&
- NULL != csp->fwd)
- {
- unload_forward_spec(csp->fwd);
- }
- free_http_request(csp->http);
-
- destroy_list(csp->headers);
- destroy_list(csp->tags);
-
- free_current_action(csp->action);
-
#ifdef FEATURE_STATISTICS
urls_read++;
if (csp->flags & CSP_FLAG_REJECTED)
return 0;
}
- fs = (struct file_list *)zalloc(sizeof(struct file_list));
- if (fs == NULL)
- {
- /* Out of memory error */
- return 1;
- }
-
-
- fs->filename = strdup(filename);
+ fs = zalloc_or_die(sizeof(struct file_list));
+ fs->filename = strdup_or_die(filename);
fs->lastmodified = statbuf->st_mtime;
- if (fs->filename == NULL)
- {
- /* Out of memory error */
- freez (fs);
- return 1;
- }
*newfl = fs;
return 1;
}
for (;;)
{
ch = getc(fp);
+
if (ch == EOF)
{
if (len > 0)
}
else if (ch == 0)
{
+ /* XXX: Why do we allow this anyway? */
*p = '\0';
*dest = buf;
return JB_ERR_OK;
if (raw_out)
{
- raw = strdup("");
- if (NULL == raw)
- {
- return JB_ERR_MEMORY;
- }
+ raw = strdup_or_die("");
}
if (prefix_out)
{
- prefix = strdup("");
- if (NULL == prefix)
- {
- freez(raw);
- return JB_ERR_MEMORY;
- }
+ prefix = strdup_or_die("");
}
if (data_out)
{
- data = strdup("");
- if (NULL == data)
- {
- freez(raw);
- freez(prefix);
- return JB_ERR_MEMORY;
- }
+ data = strdup_or_die("");
}
/* Main loop. Loop while we need more data & it's not EOF. */
if (*linestart)
{
is_empty = 0;
- if (data)
+ if (string_append(&data, linestart))
{
- if (string_append(&data, linestart))
- {
- freez(raw);
- freez(prefix);
- free(linebuf);
- return JB_ERR_MEMORY;
- }
+ freez(raw);
+ freez(prefix);
+ free(linebuf);
+ return JB_ERR_MEMORY;
}
}
{
next = cur->next;
- free_url_spec(cur->url);
+ free_pattern_spec(cur->url);
free(cur);
cur = next;
FILE *fp;
struct block_spec *b, *bl;
- struct url_spec **tl;
+ struct pattern_spec **tl;
char *buf = NULL;
int reject, trusted;
goto load_trustfile_error;
}
- fs->f = bl = (struct block_spec *)zalloc(sizeof(*bl));
- if (bl == NULL)
- {
- goto load_trustfile_error;
- }
+ fs->f = bl = zalloc_or_die(sizeof(*bl));
if ((fp = fopen(csp->config->trustfile, "r")) == NULL)
{
}
/* allocate a new node */
- if ((b = zalloc(sizeof(*b))) == NULL)
- {
- fclose(fp);
- goto load_trustfile_error;
- }
+ b = zalloc_or_die(sizeof(*b));
/* add it to the list */
b->next = bl->next;
b->reject = reject;
/* Save the URL pattern */
- if (create_url_spec(b->url, buf))
+ if (create_pattern_spec(b->url, buf))
{
fclose(fp);
goto load_trustfile_error;
*********************************************************************/
void unload_forward_spec(struct forward_spec *fwd)
{
- free_url_spec(fwd->url);
+ free_pattern_spec(fwd->url);
freez(fwd->gateway_host);
freez(fwd->forward_host);
+ freez(fwd->auth_username);
+ freez(fwd->auth_password);
free(fwd);
return;
struct file_list *fs;
char *buf = NULL;
- int error;
unsigned long linenum = 0;
pcrs_job *dummy, *lastjob = NULL;
{
new_filter = FT_SERVER_HEADER_TAGGER;
}
+#ifdef FEATURE_EXTERNAL_FILTERS
+ else if (strncmp(buf, "EXTERNAL-FILTER:", 16) == 0)
+ {
+ new_filter = FT_EXTERNAL_CONTENT_FILTER;
+ }
+#endif
+ else if (strncmp(buf, "CLIENT-BODY-FILTER:", 19) == 0)
+ {
+ new_filter = FT_CLIENT_BODY_FILTER;
+ }
/*
* If this is the head of a new filter block, make it a
*/
if (new_filter != FT_INVALID_FILTER)
{
- new_bl = (struct re_filterfile_spec *)zalloc(sizeof(*bl));
- if (new_bl == NULL)
- {
- goto load_re_filterfile_error;
- }
+ new_bl = zalloc_or_die(sizeof(*bl));
if (new_filter == FT_CONTENT_FILTER)
{
new_bl->name = chomp(buf + 7);
}
+#ifdef FEATURE_EXTERNAL_FILTERS
+ else if (new_filter == FT_EXTERNAL_CONTENT_FILTER)
+ {
+ new_bl->name = chomp(buf + 16);
+ }
+#endif
+ else if (new_filter == FT_CLIENT_BODY_FILTER)
+ {
+ new_bl->name = chomp(buf + 19);
+ }
else
{
new_bl->name = chomp(buf + 21);
new_bl->description = html_encode(chomp(new_bl->description));
if (NULL == new_bl->description)
{
- new_bl->description = strdup("Out of memory while encoding this filter's description to HTML");
+ new_bl->description = strdup_or_die("Out of memory while "
+ "encoding filter description to HTML");
}
}
else
{
- new_bl->description = strdup("No description available for this filter");
+ new_bl->description = strdup_or_die("No description available");
}
- new_bl->name = strdup(chomp(new_bl->name));
+ new_bl->name = strdup_or_die(chomp(new_bl->name));
/*
* If this is the first filter block, chain it
- * to the file_list rather than its (nonexistant)
+ * to the file_list rather than its (nonexistent)
* predecessor
*/
if (fs->f == NULL)
bl = new_bl;
log_error(LOG_LEVEL_RE_FILTER, "Reading in filter \"%s\" (\"%s\")", bl->name, bl->description);
-
+#ifdef FEATURE_EXTENDED_STATISTICS
+ register_filter_for_statistics(bl->name);
+#endif
freez(buf);
continue;
}
- /*
- * Else, save the expression, make it a pcrs_job
- * and chain it into the current filter's joblist
- */
+#ifdef FEATURE_EXTERNAL_FILTERS
+ if ((bl != NULL) && (bl->type == FT_EXTERNAL_CONTENT_FILTER))
+ {
+ jb_err jb_error;
+ /* Save the code as "pattern", but do not compile anything. */
+ if (bl->patterns->first != NULL)
+ {
+ log_error(LOG_LEVEL_FATAL, "External filter '%s' contains several jobs. "
+ "Did you forget to escape a line break?",
+ bl->name);
+ }
+ jb_error = enlist(bl->patterns, buf);
+ if (JB_ERR_MEMORY == jb_error)
+ {
+ log_error(LOG_LEVEL_FATAL,
+ "Out of memory while enlisting external filter code \'%s\' for filter %s.",
+ buf, bl->name);
+ }
+ freez(buf);
+ continue;
+ }
+#endif
if (bl != NULL)
{
- error = enlist(bl->patterns, buf);
- if (JB_ERR_MEMORY == error)
+ int pcrs_error;
+ jb_err jb_error;
+ /*
+ * Save the expression, make it a pcrs_job
+ * and chain it into the current filter's joblist
+ */
+ jb_error = enlist(bl->patterns, buf);
+ if (JB_ERR_MEMORY == jb_error)
{
log_error(LOG_LEVEL_FATAL,
"Out of memory while enlisting re_filter job \'%s\' for filter %s.", buf, bl->name);
}
- assert(JB_ERR_OK == error);
+ assert(JB_ERR_OK == jb_error);
if (pcrs_job_is_dynamic(buf))
{
continue;
}
- if ((dummy = pcrs_compile_command(buf, &error)) == NULL)
+ if ((dummy = pcrs_compile_command(buf, &pcrs_error)) == NULL)
{
log_error(LOG_LEVEL_ERROR,
- "Adding re_filter job \'%s\' to filter %s failed with error %d.", buf, bl->name, error);
+ "Adding re_filter job \'%s\' to filter %s failed: %s",
+ buf, bl->name, pcrs_strerror(pcrs_error));
freez(buf);
continue;
}
}
else
{
- log_error(LOG_LEVEL_ERROR, "Ignoring job %s outside filter block in %s, line %d",
+ log_error(LOG_LEVEL_ERROR,
+ "Ignoring job %s outside filter block in %s, line %lu",
buf, csp->config->re_filterfile[fileid], linenum);
}
freez(buf);
* FALSE otherwise.
*
*********************************************************************/
-int any_loaded_file_changed(const struct file_list *files_to_check)
+int any_loaded_file_changed(const struct client_state *csp)
{
- const struct file_list *file_to_check = files_to_check;
+ const struct file_list *file_to_check = csp->config->config_file_list;
+ int i;
+
+ if (file_has_been_modified(file_to_check->filename, file_to_check->lastmodified))
+ {
+ return TRUE;
+ }
- while (file_to_check != NULL)
+ for (i = 0; i < MAX_AF_FILES; i++)
{
- if (file_has_been_modified(file_to_check->filename, file_to_check->lastmodified))
+ if (csp->actions_list[i])
+ {
+ file_to_check = csp->actions_list[i];
+ if (file_has_been_modified(file_to_check->filename, file_to_check->lastmodified))
+ {
+ return TRUE;
+ }
+ }
+ }
+
+ for (i = 0; i < MAX_AF_FILES; i++)
+ {
+ if (csp->rlist[i])
+ {
+ file_to_check = csp->rlist[i];
+ if (file_has_been_modified(file_to_check->filename, file_to_check->lastmodified))
+ {
+ return TRUE;
+ }
+ }
+ }
+
+#ifdef FEATURE_TRUST
+ if (csp->tlist)
+ {
+ if (file_has_been_modified(csp->tlist->filename, csp->tlist->lastmodified))
{
return TRUE;
}
- file_to_check = file_to_check->next;
}
+#endif /* def FEATURE_TRUST */
+
return FALSE;
}
projects / privoxy.git / blobdiff