X-Git-Url: http://www.privoxy.org/gitweb/?p=privoxy.git;a=blobdiff_plain;f=loaders.c;h=c54569d2ea34a901f46537b86625ce1e0e0b0e9f;hp=2eb30075a86aab166b053ba0aaff9eb32e9a4d6e;hb=622f8b00129cfb6abeb0d90f095b5ca5dd9d6c35;hpb=1212a3fac11c54684f32d88b80033919d22d96dd diff --git a/loaders.c b/loaders.c index 2eb30075..c54569d2 100644 --- a/loaders.c +++ b/loaders.c @@ -1,4 +1,4 @@ -const char loaders_rcs[] = "$Id: loaders.c,v 1.10 2001/05/29 09:50:24 jongfoster Exp $"; +const char loaders_rcs[] = "$Id: loaders.c,v 1.24 2001/07/30 22:08:36 jongfoster Exp $"; /********************************************************************* * * File : $Source: /cvsroot/ijbswa/current/loaders.c,v $ @@ -35,6 +35,61 @@ const char loaders_rcs[] = "$Id: loaders.c,v 1.10 2001/05/29 09:50:24 jongfoster * * Revisions : * $Log: loaders.c,v $ + * 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 + * + * Revision 1.15 2001/06/07 23:14:14 jongfoster + * Removing ACL and forward file loaders - these + * files have been merged into the config file. + * Cosmetic: Moving unloader funcs next to their + * respective loader funcs + * + * Revision 1.14 2001/06/01 03:27:04 oes + * Fixed line continuation problem + * + * Revision 1.13 2001/05/31 21:28:49 jongfoster + * Removed all permissionsfile code - it's now called the actions + * file, and (almost) all the code is in actions.c + * + * Revision 1.12 2001/05/31 17:32:31 oes + * + * - Enhanced domain part globbing with infix and prefix asterisk + * matching and optional unanchored operation + * + * Revision 1.11 2001/05/29 23:25:24 oes + * + * - load_config_line() and load_permissions_file() now use chomp() + * * Revision 1.10 2001/05/29 09:50:24 jongfoster * Unified blocklist/imagelist/permissionslist. * File format is still under discussion, but the internal changes @@ -124,6 +179,7 @@ const char loaders_rcs[] = "$Id: loaders.c,v 1.10 2001/05/29 09:50:24 jongfoster #endif #include "project.h" +#include "list.h" #include "loaders.h" #include "encode.h" #include "filters.h" @@ -133,11 +189,7 @@ const char loaders_rcs[] = "$Id: loaders.c,v 1.10 2001/05/29 09:50:24 jongfoster #include "miscutil.h" #include "errlog.h" #include "gateway.h" - -#ifndef SPLIT_PROXY_ARGS -/* For strsav */ -#include "showargs.h" -#endif /* ndef SPLIT_PROXY_ARGS */ +#include "actions.h" const char loaders_h_rcs[] = LOADERS_H_VERSION; @@ -155,24 +207,14 @@ 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_permissions_file = NULL; -static struct file_list *current_forwardfile = NULL; - -#ifdef ACL_FILES -static struct file_list *current_aclfile = NULL; -#endif /* def ACL_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 */ -static int create_url_spec(struct url_spec * url, char * buf); - /********************************************************************* * @@ -222,64 +264,66 @@ void sweep(void) */ ncsp->config->config_file_list->active = 1; - if (ncsp->permissions_list) /* permissions files */ - { - ncsp->permissions_list->active = 1; - } - - if (ncsp->flist) /* forward files */ - { - ncsp->flist->active = 1; - } - -#ifdef ACL_FILES - if (ncsp->alist) /* acl files */ + if (ncsp->actions_list) /* actions files */ { - ncsp->alist->active = 1; + ncsp->actions_list->active = 1; } -#endif /* def ACL_FILES */ -#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; - - freez(ncsp->ip_addr_str); -#ifdef TRUST_FILES - freez(ncsp->referrer); -#endif /* def TRUST_FILES */ - freez(ncsp->x_forwarded); - freez(ncsp->iob->buf); - - free_http_request(ncsp->http); - - destroy_list(ncsp->headers); - destroy_list(ncsp->cookie_list); - -#ifdef STATISTICS - urls_read++; - if (ncsp->rejected) + while( !ncsp->active ) { - urls_rejected++; + csp->next = ncsp->next; + + freez(ncsp->ip_addr_str); + freez(ncsp->my_ip_addr_str); + freez(ncsp->my_hostname); + +#ifdef FEATURE_TRUST + freez(ncsp->referrer); +#endif /* def FEATURE_TRUST */ + freez(ncsp->x_forwarded); + freez(ncsp->iob->buf); + + free_http_request(ncsp->http); + + destroy_list(ncsp->headers); + destroy_list(ncsp->cookie_list); + + free_current_action(ncsp->action); + +#ifdef FEATURE_STATISTICS + urls_read++; + if (ncsp->rejected) + { + urls_rejected++; + } +#endif /* def FEATURE_STATISTICS */ + + freez(ncsp); + + /* are there any more in sequence after it? */ + if( !(ncsp = csp->next) ) + break; } -#endif /* def STATISTICS */ - - freez(ncsp); } } @@ -291,10 +335,6 @@ void sweep(void) (nfl->unloader)(nfl->f); -#ifndef SPLIT_PROXY_ARGS - freez(nfl->proxy_args); -#endif /* ndef SPLIT_PROXY_ARGS */ - freez(nfl->filename); freez(nfl); @@ -324,7 +364,7 @@ void sweep(void) * Returns : 0 => Ok, everything else is an error. * *********************************************************************/ -static int create_url_spec(struct url_spec * url, char * buf) +int create_url_spec(struct url_spec * url, char * buf) { char *p; struct url_spec tmp_url[1]; @@ -360,7 +400,7 @@ static int create_url_spec(struct url_spec * url, char * buf) if (url->path) { int errcode; - char rebuf[BUFSIZ]; + char rebuf[BUFFER_SIZE]; if (NULL == (url->preg = zalloc(sizeof(*url->preg)))) { @@ -375,14 +415,13 @@ static int create_url_spec(struct url_spec * url, char * buf) (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, buf, sizeof(buf)); buf[errlen] = '\0'; log_error(LOG_LEVEL_ERROR, "error compiling %s: %s", - url->spec, buf); + url->spec, buf); freez(url->spec); freez(url->path); @@ -418,14 +457,16 @@ static int create_url_spec(struct url_spec * url, char * buf) url->dbuf = tmp_url->dbuf; url->dcnt = tmp_url->dcnt; url->dvec = tmp_url->dvec; + url->unanchored = tmp_url->unanchored; return 0; /* OK */ + } /********************************************************************* * - * Function : unload_url + * Function : free_url * * Description : Called from the "unloaders". Freez the url * structure elements. @@ -436,7 +477,7 @@ static int create_url_spec(struct url_spec * url, char * buf) * Returns : N/A * *********************************************************************/ -static void unload_url(struct url_spec *url) +void free_url(struct url_spec *url) { if (url == NULL) return; @@ -456,148 +497,6 @@ static void unload_url(struct url_spec *url) } -#ifdef ACL_FILES -/********************************************************************* - * - * Function : unload_aclfile - * - * Description : Unloads an aclfile. - * - * Parameters : - * 1 : f = the data structure associated with the aclfile. - * - * Returns : N/A - * - *********************************************************************/ -static void unload_aclfile(void *f) -{ - struct access_control_list *b = (struct access_control_list *)f; - if (b == NULL) return; - - unload_aclfile(b->next); - - freez(b); - -} -#endif /* def ACL_FILES */ - - -/********************************************************************* - * - * Function : unload_permissions_file - * - * Description : Unloads a permissions file. - * - * Parameters : - * 1 : file_data = the data structure associated with the - * permissions file. - * - * Returns : N/A - * - *********************************************************************/ -static void unload_permissions_file(void *file_data) -{ - struct permissions_spec * next; - struct permissions_spec * cur = (struct permissions_spec *)file_data; - while (cur != NULL) - { - next = cur->next; - unload_url(cur->url); - freez(cur); - cur = next; - } - -} - - -#ifdef TRUST_FILES -/********************************************************************* - * - * Function : unload_trustfile - * - * Description : Unloads a trustfile. - * - * Parameters : - * 1 : f = the data structure associated with the trustfile. - * - * Returns : N/A - * - *********************************************************************/ -static void unload_trustfile(void *f) -{ - struct block_spec *b = (struct block_spec *)f; - if (b == NULL) return; - - unload_trustfile(b->next); - - unload_url(b->url); - - freez(b); - -} -#endif /* def TRUST_FILES */ - - -/********************************************************************* - * - * Function : unload_forwardfile - * - * Description : Unloads a forwardfile. - * - * Parameters : - * 1 : f = the data structure associated with the forwardfile. - * - * Returns : N/A - * - *********************************************************************/ -static void unload_forwardfile(void *f) -{ - struct forward_spec *b = (struct forward_spec *)f; - if (b == NULL) return; - - unload_forwardfile(b->next); - - unload_url(b->url); - - freez(b->gw->gateway_host); - freez(b->gw->forward_host); - - freez(b); - -} - - -#ifdef PCRS -/********************************************************************* - * - * Function : unload_re_filterfile - * - * Description : Unload the re_filter list. - * - * Parameters : - * 1 : f = the data structure associated with the filterfile. - * - * Returns : N/A - * - *********************************************************************/ -static void unload_re_filterfile(void *f) -{ - pcrs_job *joblist; - struct re_filterfile_spec *b = (struct re_filterfile_spec *)f; - - if (b == NULL) return; - - destroy_list(b->patterns); - - joblist = b->joblist; - while ( NULL != (joblist = pcrs_free_job(joblist)) ) {} - - freez(b); - -} -#endif /* def PCRS */ - - /********************************************************************* * * Function : check_file_changed @@ -617,10 +516,7 @@ static void unload_re_filterfile(void *f) * 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 @@ -667,24 +563,10 @@ int check_file_changed(const struct file_list * current, return 1; } -#ifndef SPLIT_PROXY_ARGS - if (!suppress_blocklists) - { - char * p = html_encode(filename); - if (p) - { - fs->proxy_args = strsav(fs->proxy_args, "

The file `"); - fs->proxy_args = strsav(fs->proxy_args, p); - fs->proxy_args = strsav(fs->proxy_args, - "' contains the following patterns

\n"); - freez(p); - } - fs->proxy_args = strsav(fs->proxy_args, "
");
-   }
-#endif /* ndef SPLIT_PROXY_ARGS */
 
    *newfl = fs;
    return 1;
+
 }
 
 
@@ -711,31 +593,22 @@ int check_file_changed(const struct file_list * current,
 char *read_config_line(char *buf, int buflen, FILE *fp, struct file_list *fs)
 {
    char *p, *q;
-   char linebuf[BUFSIZ];
+   char linebuf[BUFFER_SIZE];
    int contflag = 0;
 
    *buf = '\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, "
"); - } -#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 == '\\')) @@ -759,616 +632,62 @@ char *read_config_line(char *buf, int buflen, FILE *fp, struct file_list *fs) *p = '\0'; } } - - /* Remove leading and trailing whitespace */ - chomp(linebuf); + /* Write to the buffer */ if (*linebuf) { strncat(buf, linebuf, buflen - strlen(buf)); - if (contflag) - { - contflag = 0; - continue; - } - else - { - return buf; - } } - } - /* EOF */ - return NULL; - -} - - -#ifdef ACL_FILES -/********************************************************************* - * - * Function : load_aclfile - * - * Description : Read and parse an aclfile and add to files list. - * - * Parameters : - * 1 : csp = Current client state (buffers, headers, etc...) - * - * Returns : 0 => Ok, everything else is an error. - * - *********************************************************************/ -int load_aclfile(struct client_state *csp) -{ - FILE *fp; - char buf[BUFSIZ], *v[3], *p; - int i; - struct access_control_list *a, *bl; - struct file_list *fs; - if (!check_file_changed(current_aclfile, csp->config->aclfile, &fs)) - { - /* No need to load */ - if (csp) + /* Continue? */ + if (contflag) { - csp->alist = current_aclfile; + contflag = 0; + continue; } - return(0); - } - if (!fs) - { - goto load_aclfile_error; - } - - fs->f = bl = (struct access_control_list *)zalloc(sizeof(*bl)); - if (bl == NULL) - { - freez(fs->filename); - freez(fs); - goto load_aclfile_error; - } - - fp = fopen(csp->config->aclfile, "r"); - if (fp == NULL) - { - goto load_aclfile_error; - } - - while (read_config_line(buf, sizeof(buf), fp, fs) != NULL) - { - i = ssplit(buf, " \t", v, SZ(v), 1, 1); - - /* allocate a new node */ - a = (struct access_control_list *) zalloc(sizeof(*a)); + /* Remove leading and trailing whitespace */ + chomp(buf); - if (a == NULL) + if (*buf) { - fclose(fp); - freez(fs->f); - freez(fs->filename); - freez(fs); - goto load_aclfile_error; + return buf; } - - /* add it to the list */ - a->next = bl->next; - bl->next = a; - - switch (i) - { - case 3: - if (acl_addr(v[2], a->dst) < 0) - { - goto load_aclfile_error; - } - /* no break */ - - case 2: - if (acl_addr(v[1], a->src) < 0) - { - goto load_aclfile_error; - } - - p = v[0]; - if (strcmpic(p, "permit") == 0) - { - a->action = ACL_PERMIT; - break; - } - - if (strcmpic(p, "deny") == 0) - { - a->action = ACL_DENY; - break; - } - /* no break */ - - default: - goto load_aclfile_error; - } - } - - fclose(fp); - -#ifndef SPLIT_PROXY_ARGS - if (!suppress_blocklists) - { - fs->proxy_args = strsav(fs->proxy_args, "
"); } -#endif /* ndef SPLIT_PROXY_ARGS */ - if (current_aclfile) - { - current_aclfile->unloader = unload_aclfile; - } - - fs->next = files->next; - files->next = fs; - current_aclfile = fs; - - if (csp) - { - csp->alist = fs; - } - - return(0); - -load_aclfile_error: - log_error(LOG_LEVEL_FATAL, "can't load access control list %s: %E", - csp->config->aclfile); - return(-1); + /* EOF */ + return NULL; } -#endif /* def ACL_FILES */ - - -struct permission_alias -{ - const char * name; - unsigned mask; /* a bit set to "0" = remove permission */ - unsigned add; /* a bit set to "1" = add permission */ - struct permission_alias * next; -}; - - -/* - * Note: this is special-cased in the code so we don't need to - * fill in the ->next fields. - */ -static const struct permission_alias standard_aliases[] = -{ - { "+block", PERMIT_MASK_ALL, PERMIT_BLOCK }, -/* { "+cookies", PERMIT_MASK_ALL, PERMIT_COOKIE_SET | PERMIT_COOKIE_READ }, */ - { "+cookies-read", PERMIT_MASK_ALL, PERMIT_COOKIE_READ }, - { "+cookies-set", PERMIT_MASK_ALL, PERMIT_COOKIE_SET }, - { "+fast-redirects", PERMIT_MASK_ALL, PERMIT_FAST_REDIRECTS }, - { "+filter", PERMIT_MASK_ALL, PERMIT_RE_FILTER }, - { "+image", PERMIT_MASK_ALL, PERMIT_IMAGE }, - { "+popup", PERMIT_MASK_ALL, PERMIT_POPUPS }, - { "+popups", PERMIT_MASK_ALL, PERMIT_POPUPS }, - { "+referer", PERMIT_MASK_ALL, PERMIT_REFERER }, - { "+referrer", PERMIT_MASK_ALL, PERMIT_REFERER }, - { "-block", ~PERMIT_BLOCK, 0 }, -/* { "-cookies", ~(PERMIT_COOKIE_SET | PERMIT_COOKIE_READ), 0 }, */ - { "-cookies-read", ~PERMIT_COOKIE_READ, 0 }, - { "-cookies-set", ~PERMIT_COOKIE_SET, 0 }, - { "-fast-redirects", ~PERMIT_FAST_REDIRECTS, 0 }, - { "-filter", ~PERMIT_RE_FILTER, 0 }, - { "-image", ~PERMIT_IMAGE, 0 }, - { "-popup", ~PERMIT_POPUPS, 0 }, - { "-popups", ~PERMIT_POPUPS, 0 }, - { "-referer", ~PERMIT_REFERER, 0 }, - { "-referrer", ~PERMIT_REFERER, 0 }, - { NULL, 0, 0 } /* End marker */ -}; +#ifdef FEATURE_TRUST /********************************************************************* * - * Function : load_permissions_file + * Function : unload_trustfile * - * Description : Read and parse a permissions file and add to files - * list. + * Description : Unloads a trustfile. * * Parameters : - * 1 : csp = Current client state (buffers, headers, etc...) + * 1 : f = the data structure associated with the trustfile. * - * Returns : 0 => Ok, everything else is an error. + * Returns : N/A * *********************************************************************/ -int load_permissions_file(struct client_state *csp) +static void unload_trustfile(void *f) { - FILE *fp; - - struct permissions_spec *last_perm; - struct permissions_spec *perm; - char buf[BUFSIZ]; - struct file_list *fs; -#define MODE_START_OF_FILE 1 -#define MODE_PERMISSIONS 2 -#define MODE_ALIAS 3 - int mode = MODE_START_OF_FILE; - unsigned curmask = PERMIT_MASK_ALL; - unsigned curadd = 0; - struct permission_alias * alias_list = NULL; - - if (!check_file_changed(current_permissions_file, csp->config->permissions_file, &fs)) - { - /* No need to load */ - if (csp) - { - csp->permissions_list = current_permissions_file; - } - return 0; - } - if (!fs) - { - log_error(LOG_LEVEL_FATAL, "can't load permissions file '%s': error finding file: %E", - csp->config->permissions_file); - return 1; /* never get here */ - } - - fs->f = last_perm = (struct permissions_spec *)zalloc(sizeof(*last_perm)); - if (last_perm == NULL) - { - log_error(LOG_LEVEL_FATAL, "can't load permissions file '%s': out of memory!", - csp->config->permissions_file); - return 1; /* never get here */ - } - - if ((fp = fopen(csp->config->permissions_file, "r")) == NULL) - { - log_error(LOG_LEVEL_FATAL, "can't load permissions file '%s': error opening file: %E", - csp->config->permissions_file); - return 1; /* never get here */ - } - - while (read_config_line(buf, sizeof(buf), fp, fs) != NULL) - { - if (*buf == '{') - { - /* It's a header block */ - if (buf[1] == '{') - { - /* It's {{settings}} or {{alias}} */ - int len = strlen(buf); - char * start = buf + 2; - char * end = buf + len - 1; - if ((len < 5) || (*end-- != '}') || (*end-- != '}')) - { - /* too short */ - fclose(fp); - log_error(LOG_LEVEL_FATAL, - "can't load permissions file '%s': invalid line: %s", - csp->config->permissions_file, buf); - return 1; /* never get here */ - } - - /* Trim leading and trailing whitespace. */ - end[1] = '\0'; - chomp(start); - - if (*start == '\0') - { - /* too short */ - fclose(fp); - log_error(LOG_LEVEL_FATAL, - "can't load permissions file '%s': invalid line: {{ }}", - csp->config->permissions_file); - return 1; /* never get here */ - } - - if (0 == strcmpic(start, "alias")) - { - /* it's an {{alias}} block */ - - mode = MODE_ALIAS; - } - else - { - /* invalid {{something}} block */ - fclose(fp); - log_error(LOG_LEVEL_FATAL, - "can't load permissions file '%s': invalid line: {{%s}}", - csp->config->permissions_file, start); - return 1; /* never get here */ - } - } - else - { - /* It's a permissions block */ - - int more = 1; - - int len = strlen(buf); - char * start = buf + 1; - char * end = buf + len - 1; - - if ((len < 3) || (*end-- != '}')) - { - /* too short */ - fclose(fp); - log_error(LOG_LEVEL_FATAL, - "can't load permissions file '%s': invalid line: %s", - csp->config->permissions_file, buf); - return 1; /* never get here */ - } - - end[1] = '\0'; - chomp(start); - - if (*start == '\0') - { - /* too short */ - fclose(fp); - log_error(LOG_LEVEL_FATAL, - "can't load permissions file '%s': invalid line: { }", - csp->config->permissions_file); - return 1; /* never get here */ - } - - mode = MODE_PERMISSIONS; - - curmask = PERMIT_MASK_ALL; - curadd = 0; - - while (more) - { - const struct permission_alias * alias = standard_aliases; - char * option = start; - while ((*start != '\0') && (*start != ' ') && (*start != '\t')) - { - start++; - } - - more = (*start != 0); - if (more) - { - *start++ = '\0'; - - /* Eat all the whitespace between the options */ - while ((*start == ' ') || (*start == '\t')) - { - start++; - } - } - - /* handle option in 'option' */ - - /* Check for standard permission name */ - while ( (alias->name != NULL) && (0 != strcmpic(alias->name, option)) ) - { - alias++; - } - if (alias->name == NULL) - { - /* try user aliases. */ - alias = alias_list; - while ( (alias != NULL) && (0 != strcmpic(alias->name, option)) ) - { - alias = alias->next; - } - } - if (alias == NULL) - { - /* Bad permission name */ - fclose(fp); - log_error(LOG_LEVEL_FATAL, - "can't load permissions file '%s': invalid permission name: %s", - csp->config->permissions_file, option); - return 1; /* never get here */ - } - curmask &= alias->mask; - curadd &= alias->mask; - curadd |= alias->add; - } - } - } - else if (mode == MODE_ALIAS) - { - /* define an alias */ - struct permission_alias * new_alias; - int more = 1; - - char * start = strchr(buf, '='); - char * end = start; - - if ((start == NULL) || (start == buf)) - { - log_error(LOG_LEVEL_FATAL, - "can't load permissions file '%s': invalid alias line: %s", - csp->config->permissions_file, buf); - return 1; /* never get here */ - } - - if ((new_alias = zalloc(sizeof(*new_alias))) == NULL) - { - fclose(fp); - log_error(LOG_LEVEL_FATAL, - "can't load permissions file '%s': out of memory!", - csp->config->permissions_file); - return 1; /* never get here */ - } - - /* Eat any the whitespace after the '=' */ - start++; - while ((*start == ' ') || (*start == '\t')) - { - start++; - } - if (*start == '\0') - { - log_error(LOG_LEVEL_FATAL, - "can't load permissions file '%s': invalid alias line: %s", - csp->config->permissions_file, buf); - return 1; /* never get here */ - } - - /* Eat any the whitespace before the '=' */ - end--; - while ((*end == ' ') || (*end == '\t')) - { - /* - * we already know we must have at least 1 non-ws char - * at start of buf - no need to check - */ - end--; - } - end[1] = '\0'; - - new_alias->name = strdup(buf); - - curmask = PERMIT_MASK_ALL; - curadd = 0; - - while (more) - { - const struct permission_alias * alias = standard_aliases; - char * option = start; - while ((*start != '\0') && (*start != ' ') && (*start != '\t')) - { - start++; - } - - more = (*start != 0); - if (more) - { - *start++ = '\0'; - - /* Eat all the whitespace between the options */ - while ((*start == ' ') || (*start == '\t')) - { - start++; - } - } - - /* handle option in 'option' */ - - /* Check for standard permission name */ - while ( (alias->name != NULL) && (0 != strcmpic(alias->name, option)) ) - { - alias++; - } - if (alias->name == NULL) - { - /* try user aliases. */ - alias = alias_list; - while ( (alias != NULL) && (0 != strcmpic(alias->name, option)) ) - { - alias = alias->next; - } - } - if (alias == NULL) - { - /* Bad permission name */ - fclose(fp); - log_error(LOG_LEVEL_FATAL, - "can't load permissions file '%s': invalid permission name: %s", - csp->config->permissions_file, option); - return 1; /* never get here */ - } - curmask &= alias->mask; - curadd &= alias->mask; - curadd |= alias->add; - } - - /* save alias permissions */ - new_alias->mask = curmask; - new_alias->add = curadd; - - /* add to list */ - new_alias->next = alias_list; - alias_list = new_alias; - } - else if (mode == MODE_PERMISSIONS) - { - /* it's a URL pattern */ - - /* allocate a new node */ - if ((perm = zalloc(sizeof(*perm))) == NULL) - { - fclose(fp); - log_error(LOG_LEVEL_FATAL, - "can't load permissions file '%s': out of memory!", - csp->config->permissions_file); - return 1; /* never get here */ - } - - /* Save flags */ - perm->mask = curmask; - perm->add = curadd; - - /* Save the URL pattern */ - if (create_url_spec(perm->url, buf)) - { - fclose(fp); - log_error(LOG_LEVEL_FATAL, - "can't load permissions file '%s': cannot create URL permission from: %s", - csp->config->permissions_file, buf); - return 1; /* never get here */ - } - - /* add it to the list */ - last_perm->next = perm; - last_perm = perm; - } - else if (mode == MODE_START_OF_FILE) - { - /* oops - please have a {} line as 1st line in file. */ - fclose(fp); - log_error(LOG_LEVEL_FATAL, - "can't load permissions file '%s': first line is invalid: %s", - csp->config->permissions_file, buf); - return 1; /* never get here */ - } - else - { - /* How did we get here? This is impossible! */ - fclose(fp); - log_error(LOG_LEVEL_FATAL, - "can't load permissions file '%s': INTERNAL ERROR - mode = %d", - csp->config->permissions_file, mode); - return 1; /* never get here */ - } - } - - fclose(fp); - - while (alias_list != NULL) - { - struct permission_alias * next = alias_list->next; - freez((char *)alias_list->name); - free(alias_list); - alias_list = next; - } - -#ifndef SPLIT_PROXY_ARGS - if (!suppress_blocklists) - { - fs->proxy_args = strsav(fs->proxy_args, ""); - } -#endif /* ndef SPLIT_PROXY_ARGS */ - - /* the old one is now obsolete */ - if (current_permissions_file) - { - current_permissions_file->unloader = unload_permissions_file; - } + struct block_spec *b = (struct block_spec *)f; + if (b == NULL) return; - fs->next = files->next; - files->next = fs; - current_permissions_file = fs; + unload_trustfile(b->next); /* Stack is cheap, isn't it? */ - if (csp) - { - csp->permissions_list = fs; - } + free_url(b->url); - return(0); + freez(b); } -#ifdef TRUST_FILES /********************************************************************* * * Function : load_trustfile @@ -1388,7 +707,7 @@ int load_trustfile(struct client_state *csp) struct block_spec *b, *bl; struct url_spec **tl; - char buf[BUFSIZ], *p, *q; + char buf[BUFFER_SIZE], *p, *q; int reject, trusted; struct file_list *fs; @@ -1480,13 +799,6 @@ int load_trustfile(struct client_state *csp) fclose(fp); -#ifndef SPLIT_PROXY_ARGS - if (!suppress_blocklists) - { - fs->proxy_args = strsav(fs->proxy_args, ""); - } -#endif /* ndef SPLIT_PROXY_ARGS */ - /* the old one is now obsolete */ if (current_trustfile) { @@ -1510,198 +822,37 @@ load_trustfile_error: return(-1); } -#endif /* def TRUST_FILES */ +#endif /* def FEATURE_TRUST */ /********************************************************************* * - * Function : load_forwardfile + * Function : unload_re_filterfile * - * Description : Read and parse a forwardfile and add to files list. + * Description : Unload the re_filter list. * * Parameters : - * 1 : csp = Current client state (buffers, headers, etc...) + * 1 : f = the data structure associated with the filterfile. * - * Returns : 0 => Ok, everything else is an error. + * Returns : N/A * *********************************************************************/ -int load_forwardfile(struct client_state *csp) +static void unload_re_filterfile(void *f) { - FILE *fp; - - struct forward_spec *b, *bl; - char buf[BUFSIZ]; - char *p, *tmp; - char *vec[4]; - int n; - struct file_list *fs; - const struct gateway *gw; - - if (!check_file_changed(current_forwardfile, csp->config->forwardfile, &fs)) - { - /* No need to load */ - if (csp) - { - csp->flist = current_forwardfile; - } - return(0); - } - if (!fs) - { - goto load_forwardfile_error; - } - - fs->f = bl = (struct forward_spec *)zalloc(sizeof(*bl)); - - if ((fs == NULL) || (bl == NULL)) - { - goto load_forwardfile_error; - } - - if ((fp = fopen(csp->config->forwardfile, "r")) == NULL) - { - goto load_forwardfile_error; - } - - tmp = NULL; - - while (read_config_line(buf, sizeof(buf), fp, fs) != NULL) - { - freez(tmp); - - tmp = strdup(buf); - - n = ssplit(tmp, " \t", vec, SZ(vec), 1, 1); - - if (n != 4) - { - log_error(LOG_LEVEL_ERROR, "error in forwardfile: %s", buf); - continue; - } - - strcpy(buf, vec[0]); - - /* skip lines containing only ~ */ - if (*buf == '\0') - { - continue; - } - - /* allocate a new node */ - if (((b = zalloc(sizeof(*b))) == NULL) - ) - { - fclose(fp); - goto load_forwardfile_error; - } - - /* add it to the list */ - b->next = bl->next; - bl->next = b; - - /* Save the URL pattern */ - if (create_url_spec(b->url, buf)) - { - fclose(fp); - goto load_forwardfile_error; - } - - /* now parse the gateway specs */ - - p = vec[2]; - - for (gw = gateways; gw->name; gw++) - { - if (strcmp(gw->name, p) == 0) - { - break; - } - } - - if (gw->name == NULL) - { - goto load_forwardfile_error; - } - - /* save this as the gateway type */ - *b->gw = *gw; - - /* now parse the gateway host[:port] spec */ - p = vec[3]; - - if (strcmp(p, ".") != 0) - { - b->gw->gateway_host = strdup(p); - - if ((p = strchr(b->gw->gateway_host, ':'))) - { - *p++ = '\0'; - b->gw->gateway_port = atoi(p); - } - - if (b->gw->gateway_port <= 0) - { - goto load_forwardfile_error; - } - } - - /* now parse the forwarding spec */ - p = vec[1]; - - if (strcmp(p, ".") != 0) - { - b->gw->forward_host = strdup(p); - - if ((p = strchr(b->gw->forward_host, ':'))) - { - *p++ = '\0'; - b->gw->forward_port = atoi(p); - } - - if (b->gw->forward_port <= 0) - { - b->gw->forward_port = 8000; - } - } - } - - freez(tmp); - - fclose(fp); - -#ifndef SPLIT_PROXY_ARGS - if (!suppress_blocklists) - { - fs->proxy_args = strsav(fs->proxy_args, ""); - } -#endif /* ndef SPLIT_PROXY_ARGS */ - - /* the old one is now obsolete */ - if (current_forwardfile) - { - current_forwardfile->unloader = unload_forwardfile; - } - - fs->next = files->next; - files->next = fs; - current_forwardfile = fs; + struct re_filterfile_spec *b = (struct re_filterfile_spec *)f; - if (csp) + if (b == NULL) { - csp->flist = fs; + return; } - return(0); - -load_forwardfile_error: - log_error(LOG_LEVEL_FATAL, "can't load forwardfile '%s': %E", - csp->config->forwardfile); - return(-1); + destroy_list(b->patterns); + pcrs_free_joblist(b->joblist); + freez(b); + return; } - -#ifdef PCRS /********************************************************************* * * Function : load_re_filterfile @@ -1723,7 +874,7 @@ int load_re_filterfile(struct client_state *csp) struct re_filterfile_spec *bl; struct file_list *fs; - char buf[BUFSIZ]; + char buf[BUFFER_SIZE]; int error; pcrs_job *dummy; @@ -1759,7 +910,7 @@ int load_re_filterfile(struct client_state *csp) enlist( bl->patterns, buf ); /* We have a meaningful line -> make it a job */ - if ((dummy = pcrs_make_job(buf, &error)) == NULL) + if ((dummy = pcrs_compile_command(buf, &error)) == NULL) { log_error(LOG_LEVEL_RE_FILTER, "Adding re_filter job %s failed with error %d.", buf, error); @@ -1775,13 +926,6 @@ int load_re_filterfile(struct client_state *csp) fclose(fp); -#ifndef SPLIT_PROXY_ARGS - if (!suppress_blocklists) - { - fs->proxy_args = strsav(fs->proxy_args, ""); - } -#endif /* ndef SPLIT_PROXY_ARGS */ - /* the old one is now obsolete */ if ( NULL != current_re_filterfile ) { @@ -1805,7 +949,6 @@ load_re_filterfile_error: return(-1); } -#endif /* def PCRS */ /*********************************************************************