-const char loaders_rcs[] = "$Id: loaders.c,v 1.88 2012/03/09 16:23:50 fabiankeil Exp $";
+const char loaders_rcs[] = "$Id: loaders.c,v 1.101 2016/02/26 12:29:38 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) 2001-2010 the
+ * Copyright : Written by and Copyright (C) 2001-2014 the
* Privoxy team. http://www.privoxy.org/
*
* Based on the Internet Junkbuster originally written
NULL, NULL, NULL, NULL, NULL
};
-/*
- * Pseudo filter type for load_one_re_filterfile
- */
-#define NO_NEW_FILTER -1
-
/*********************************************************************
*
last_active->next = client_list->next;
freez(csp->ip_addr_str);
+ freez(csp->client_iob->buf);
freez(csp->iob->buf);
freez(csp->error_message);
while (fl != NULL)
{
- if (( 0 == fl->active) && ( NULL != fl->unloader ) )
+ if ((0 == fl->active) && (NULL != fl->unloader))
{
nfl->next = fl->next;
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)
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. */
while ((contflag || is_empty)
- && (JB_ERR_OK == (rval = simple_read_line(fp, &linebuf, newline))))
+ && (JB_ERR_OK == (rval = simple_read_line(fp, &linebuf, newline))))
{
if (line_number)
{
{
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);
free(fwd);
*/
while (read_config_line(fp, &linenum, &buf) != NULL)
{
- int new_filter = NO_NEW_FILTER;
+ enum filter_type new_filter = FT_INVALID_FILTER;
if (strncmp(buf, "FILTER:", 7) == 0)
{
{
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
/*
* If this is the head of a new filter block, make it a
* re_filterfile spec of its own and chain it to the list:
*/
- if (new_filter != NO_NEW_FILTER)
+ 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
{
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
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))
+ {
+ /* 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 jobss. "
+ "Did you forget to escape a line break?",
+ bl->name);
+ }
+ error = enlist(bl->patterns, buf);
+ if (JB_ERR_MEMORY == 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)
{
+ /*
+ * Save the expression, make it a pcrs_job
+ * and chain it into the current filter's joblist
+ */
error = enlist(bl->patterns, buf);
if (JB_ERR_MEMORY == error)
{
if ((dummy = pcrs_compile_command(buf, &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(error));
freez(buf);
continue;
}
* 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;
+ }
+
+ for (i = 0; i < MAX_AF_FILES; i++)
+ {
+ 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;
+ }
+ }
+ }
- while (file_to_check != NULL)
+#ifdef FEATURE_TRUST
+ if (csp->tlist)
{
- if (file_has_been_modified(file_to_check->filename, file_to_check->lastmodified))
+ 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;
}