-const char cgi_rcs[] = "$Id: $";
-/*********************************************************************
- *
- * File : $Source: /cvsroot/ijbswa/current/cgi.c,v $
- *
- * Purpose : Declares functions to intercept request, generate
- * html or gif answers, and to compose HTTP resonses.
- *
- * Functions declared include:
- *
- *
- * 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
- * Junkbusters Corporation. http://www.junkbusters.com
- *
- * 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
- * your option) any later version.
- *
- * This program is distributed in the hope that it will
- * be useful, but WITHOUT ANY WARRANTY; without even the
- * implied warranty of MERCHANTABILITY or FITNESS FOR A
- * PARTICULAR PURPOSE. See the GNU General Public
- * License for more details.
- *
- * The GNU General Public License should be included with
- * this file. If not, you can view it at
- * http://www.gnu.org/copyleft/gpl.html
- * or write to the Free Software Foundation, Inc., 59
- * Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * Revisions :
- * $Log: cgi.c,v $
- *
- *
- **********************************************************************/
-\f
-
-#include "config.h"
-
-#include <stdio.h>
-#include <sys/types.h>
-#include <stdlib.h>
-#include <ctype.h>
-#include <string.h>
-
-#include "project.h"
-#include "cgi.h"
-#include "list.h"
-#include "pcrs.h"
-#include "encode.h"
-#include "ssplit.h"
-#include "jcc.h"
-#include "filters.h"
-#include "actions.h"
-#include "errlog.h"
-#include "miscutil.h"
-#include "showargs.h"
-
-
-const struct cgi_dispatcher cgi_dispatchers[] = {
- { "show-status",
- 11, cgi_show_status,
- "Show information about the version and configuration" },
-/* { "show-url-info",
- 13, cgi_show_url_info,
- "Show which actions apply to a URL and why" },*/
- { "send-banner",
- 11, cgi_send_banner,
- "HIDE Send the transparent or \"Junkbuster\" gif" },
-#ifdef TRUST_FILES
-/* { "untrusted-url",
- 15, ij_untrusted_url,
- "HIDE Show why a URL was not trusted" }, */
-#endif /* def TRUST_FILES */
- { "",
- 0, cgi_default,
- "HIDE Send a page linking to all unhidden CGIs" },
- { NULL, 0, NULL, NULL }
-};
-
-
-/*********************************************************************
- *
- * Function : dispatch_cgi
- *
- * Description : Checks if a request URL has either the magical hostname
- * i.j.b or matches HOME_PAGE_URL/config/. If so, it parses
- * the (rest of the) path as a cgi name plus query string,
- * prepares a map that maps CGI parameter names to their values,
- * initializes the http_response struct, and calls the
- * relevant CGI handler function.
- *
- * Parameters :
- * 1 : csp = Current client state (buffers, headers, etc...)
- *
- * Returns : http_response if match, NULL if nonmatch or handler fail
- *
- *********************************************************************/
-struct http_response *cgi_dispatch(struct client_state *csp)
-{
- char *argstring = NULL;
- const struct cgi_dispatcher *d;
- struct map *param_list;
- struct http_response *response;
-
- /*
- * Should we intercept ?
- */
-
- /* Either the host matches CGI_PREFIX_HOST ..*/
- if (0 == strcmpic(csp->http->host, CGI_PREFIX_HOST))
- {
- /* ..then the path will all be for us */
- argstring = csp->http->path;
- }
- /* Or it's the host part of HOME_PAGE_URL ? */
- else if ( (0 == strcmpic(csp->http->host, *&HOME_PAGE_URL + 7 ))
- && (0 == strncmpic(csp->http->path,"/config", 7))
- && ((csp->http->path[7] == '/') || (csp->http->path[7] == '\0')))
- {
- /* then it's everything following "/config" */
- argstring = csp->http->path + 7;
- }
- else
- {
- return NULL;
- }
-
- /*
- * We have intercepted it.
- */
-
- /* Get mem for response */
- if (NULL == ( response = zalloc(sizeof(*response))))
- {
- return NULL;
- }
-
- /* remove any leading slash */
- if (*argstring == '/')
- {
- argstring++;
- }
-
- log_error(LOG_LEVEL_GPC, "%s%s cgi call", csp->http->hostport, csp->http->path);
- log_error(LOG_LEVEL_CLF, "%s - - [%T] \"%s\" 200 3",
- csp->ip_addr_str, csp->http->cmd);
-
- for (d = cgi_dispatchers; d->handler; d++)
- {
- if (strncmp(argstring, d->name, d->name_length) == 0)
- {
- param_list = parse_cgi(argstring + d->name_length);
- if ((d->handler)(csp, response, param_list))
- {
- freez(response);
- }
-
- free_map(param_list);
- return(response);
- }
- }
-
- freez(response);
- return(NULL);
-
-}
-
-
-/*********************************************************************
- *
- * Function : parse_cgi
- *
- * Description : Parse a URL-encoded argument string into name/value
- * pairs and store them in a struct map list.
- *
- * Parameters :
- * 1 : string = string to be parsed
- *
- * Returns : poniter to param list, or NULL if failiure
- *
- *********************************************************************/
-struct map *parse_cgi(char *argstring)
-{
- char *tmp, *p;
- char *vector[BUFSIZ];
- int pairs, i;
- struct map *cgi_params = NULL;
-
- if(*argstring == '?') argstring++;
- tmp = strdup(argstring);
-
- pairs = ssplit(tmp, "&", vector, SZ(vector), 1, 1);
-
- for (i = 0; i < pairs; i++)
- {
- if ((NULL != (p = strchr(vector[i], '='))) && (*(p+1) != '\0'))
- {
- *p = '\0';
- cgi_params = map(cgi_params, url_decode(vector[i]), 0, url_decode(++p), 0);
- }
- }
-
- free(tmp);
- return(cgi_params);
-
-}
-
-
-/*********************************************************************
- *
- * Function : make_http_response
- *
- * Description : Fill in the missing headers in an http response,
- * and flatten the headers to an http head.
- *
- * Parameters :
- * 1 : rsp = pointer to http_response to be processed
- *
- * Returns : length of http head, or 0 on failiure
- *
- *********************************************************************/
-int make_http_response(struct http_response *rsp)
-{
- char buf[BUFSIZ];
-
- /* Fill in the HTTP Status */
- sprintf(buf, "HTTP/1.0 %s", rsp->status ? rsp->status : "200 OK");
- enlist_first(rsp->headers, buf);
-
- /* Set the Content-Length */
- if (rsp->content_length == 0)
- {
- rsp->content_length = rsp->body ? strlen(rsp->body) : 0;
- }
-
-
- sprintf(buf, "Content-Length: %d", rsp->content_length);
- enlist(rsp->headers, buf);
-
- /* Fill in the default headers FIXME: Are these correct? sequence OK? check rfc! */
- enlist_unique(rsp->headers, "Pragma: no-cache", 7);
- enlist_unique(rsp->headers, "Last-Modified: Thu Jul 31, 1997 07:42:22 pm GMT", 14);
- enlist_unique(rsp->headers, "Expires: Thu Jul 31, 1997 07:42:22 pm GMT", 8);
- enlist_unique(rsp->headers, "Content-Type: text/html", 13);
- enlist(rsp->headers, "");
-
-
- /* Write the head */
- if (NULL == (rsp->head = list_to_text(rsp->headers)))
- {
- free_http_response(rsp);
- return(0);
- }
-
- return(strlen(rsp->head));
-}
-
-
-/*********************************************************************
- *
- * Function : free_http_response
- *
- * Description : Free the memory occupied by an http_response
- * and its depandant structures.
- *
- * Parameters :
- * 1 : rsp = pointer to http_response to be freed
- *
- * Returns : N/A
- *
- *********************************************************************/
-void free_http_response(struct http_response *rsp)
-{
- if(rsp)
- {
- freez(rsp->status);
- freez(rsp->head);
- freez(rsp->body);
- destroy_list(rsp->headers);
- }
-}
-
-
-/*********************************************************************
- *
- * Function : fill_template
- *
- * Description : CGI support function that loads a given HTML
- * template from the confdir, and fills it in
- * by replacing @name@ with value using pcrs,
- * for each item in the output map.
- *
- * Parameters :
- * 1 : csp = Current client state (buffers, headers, etc...)
- * 3 : template = name of the HTML template to be used
- * 2 : answers = map with fill in symbol -> name pairs
- * FIXME: needs better name!
- *
- * Returns : char * with filled out form, or NULL if failiure
- *
- *********************************************************************/
-char *fill_template(struct client_state *csp, char *template, struct map *answers)
-{
- struct map *m;
- pcrs_job *job, *joblist = NULL;
- char buf[BUFSIZ];
- char *new, *old = NULL;
- int error, size;
- FILE *fp;
-
- /*
- * Open template file or fail
- */
- snprintf(buf, BUFSIZ, "%s/templates/%s", csp->config->confdir, template);
-
- if(NULL == (fp = fopen(buf, "r")))
- {
- log_error(LOG_LEVEL_ERROR, "error loading template %s: %E", buf);
- return NULL;
- }
-
- /*
- * Assemble pcrs joblist from answers map
- */
- for (m = answers; m; m = m->next)
- {
- int error;
-
- snprintf(buf, BUFSIZ, "s°@%s@°%s°ig", m->name, m->value);
-
- if(NULL == (job = pcrs_make_job(buf, &error)))
- {
- log_error(LOG_LEVEL_ERROR, "Adding template fill job %s failed with error %d",
- buf, error);
- while ( NULL != (joblist = pcrs_free_job(joblist)) ) {};
- return NULL;
- }
- else
- {
- job->next = joblist;
- joblist = job;
- }
- }
-
- /*
- * Read the file, ignoring comments
- */
- while (fgets(buf, BUFSIZ, fp))
- {
- /* skip lines starting with '#' */
- if(*buf == '#') continue;
-
- old = strsav(old, buf);
- }
- fclose(fp);
-
- /*
- * Execute the jobs
- */
- size = strlen(old) + 1;
- new = old;
-
- for (job = joblist; NULL != job; job = job->next)
- {
- pcrs_exec_substitution(job, old, size, &new, &size);
- if (old != buf) free(old);
- old=new;
- }
-
- /*
- * Free the jobs & return
- */
- while ( NULL != (joblist = pcrs_free_job(joblist)) ) {};
- return(new);
-
-}
-
-
-/*********************************************************************
- *
- * Function : dump_map
- *
- * Description : HTML-dump a map for debugging
- *
- * Parameters :
- * 1 : map = map to dump
- *
- * Returns : string with HTML
- *
- *********************************************************************/
-char *dump_map(struct map *map)
-{
- struct map *p = map;
- char *ret = NULL;
-
-
- ret = strsav(ret, "<table>\n");
-
- while (p)
- {
- ret = strsav(ret, "<tr><td><b>");
- ret = strsav(ret, p->name);
- ret = strsav(ret, "</b></td><td>");
- ret = strsav(ret, p->value);
- ret = strsav(ret, "</td></tr>\n");
- p = p->next;
- }
-
- ret = strsav(ret, "</table>\n");
- return(ret);
-}
-
-
-/*********************************************************************
- *
- * Function : cgi_default
- *
- * Description : CGI function that is called if no action was given
- * lists menu of available unhidden CGIs.
- *
- * Parameters :
- * 1 : csp = Current client state (buffers, headers, etc...)
- * 2 : rsp = http_response data structure for output
- * 3 : parameters = map of cgi parameters
- *
- * Returns : 0
- *
- *********************************************************************/
-int cgi_default(struct client_state *csp, struct http_response *rsp,
- struct map *parameters)
-{
- char *p, *tmp = NULL;
- char buf[BUFSIZ];
- const struct cgi_dispatcher *d;
- struct map *exports = NULL;
-
- /* List available unhidden CGI's and export as "other-cgis" */
- for (d = cgi_dispatchers; d->handler; d++)
- {
- if (strncmp(d->description, "HIDE", 4))
- {
- snprintf(buf, BUFSIZ, "<li><a href=%s/config/%s>%s</a></li>",
- HOME_PAGE_URL, d->name, d->description);
- tmp = strsav(tmp, buf);
- }
- }
- exports = map(exports, "other-cgis", 1, tmp, 0);
-
- /* If there were other parameters, export a dump as "cgi-parameters" */
- if(parameters)
- {
- p = dump_map(parameters);
- tmp = strsav(tmp, "<p>What made you think this cgi takes options?\n
- Anyway, here they are, in case you're interested:</p>\n");
- tmp = strsav(tmp, p);
- exports = map(exports, "cgi-parameters", 1, tmp, 0);
- free(p);
- }
- else
- {
- exports = map(exports, "cgi-parameters", 1, "", 1);
- }
-
- rsp->body = fill_template(csp, "default", exports);
-
- free_map(exports);
- return(0);
-
-}
-
-
-/*********************************************************************
- *
- * Function : cgi_send_banner
- *
- * Description : CGI function that returns a banner.
- *
- * Parameters :
- * 1 : csp = Current client state (buffers, headers, etc...)
- * 2 : rsp = http_response data structure for output
- * 3 : parameters = map of cgi parameters
- *
- * CGI Parameters :
- * type : Selects the type of banner between "trans" and "jb".
- * Defaults to "jb" if absent or != "trans".
- *
- * Returns : 0
- *
- *********************************************************************/
-int cgi_send_banner(struct client_state *csp, struct http_response *rsp,
- struct map *parameters)
-{
- if(strcmp(lookup(parameters, "type"), "trans"))
- {
- rsp->body = bindup(CJBGIF, sizeof(CJBGIF));
- rsp->content_length = sizeof(CJBGIF);
- }
- else
- {
- rsp->body = bindup(CBLANKGIF, sizeof(CBLANKGIF));
- rsp->content_length = sizeof(CBLANKGIF);
- }
-
- enlist(rsp->headers, "Content-Type: image/gif");
-
- return(0);
-}
-
-
-#ifdef FAST_REDIRECTS
-/*********************************************************************
- *
- * Function : redirect_url
- *
- * Description : Checks for redirection URLs and returns a HTTP redirect
- * to the destination URL.
- *
- * Parameters :
- * 1 : http = http_request request, check `basename's of blocklist
- * 2 : csp = Current client state (buffers, headers, etc...)
- *
- * Returns : NULL if URL was clean, HTTP redirect otherwise.
- *
- *********************************************************************/
-char *redirect_url(struct http_request *http, struct client_state *csp)
-{
- char *p, *q;
-
- p = q = csp->http->path;
- log_error(LOG_LEVEL_REDIRECTS, "checking path: %s", p);
-
- /* find the last URL encoded in the request */
- while (p = strstr(p, "http://"))
- {
- q = p++;
- }
-
- /* if there was any, generate and return a HTTP redirect */
- if (q != csp->http->path)
- {
- log_error(LOG_LEVEL_REDIRECTS, "redirecting to: %s", q);
-
- p = (char *)malloc(strlen(HTTP_REDIRECT_TEMPLATE) + strlen(q));
- sprintf(p, HTTP_REDIRECT_TEMPLATE, q);
- return(p);
- }
- else
- {
- return(NULL);
- }
-
-}
-#endif /* def FAST_REDIRECTS */
-
-
-
-/*********************************************************************
- *
- * Function : cgi_show_status
- *
- * Description : CGI function that returns a a web page describing the
- * current status of IJB.
- *
- * Parameters :
- * 1 : csp = Current client state (buffers, headers, etc...)
- * 2 : rsp = http_response data structure for output
- * 3 : parameters = map of cgi parameters
- *
- * CGI Parameters :
- * type : Selects the type of banner between "trans" and "jb".
- * Defaults to "jb" if absent or != "trans".
- *
- * Returns : 0
- *
- *********************************************************************/
-int cgi_show_status(struct client_state *csp, struct http_response *rsp,
- struct map *parameters)
-{
- char *s = NULL;
- const struct gateway *g;
- int i;
-
- struct map *exports = NULL;
-
-#ifdef SPLIT_PROXY_ARGS
- FILE * fp;
- char buf[BUFSIZ];
- char * p;
- const char * filename = NULL;
- char * file_description = NULL;
-
-
- p = lookup(parameters, "file");
- switch (*p)
- {
- case 'p':
- if (csp->actions_list)
- {
- filename = csp->actions_list->filename;
- file_description = "Actions List";
- }
- break;
- case 'f':
- if (csp->flist)
- {
- filename = csp->flist->filename;
- file_description = "Forward List";
- }
- break;
-
-#ifdef ACL_FILES
- case 'a':
- if (csp->alist)
- {
- filename = csp->alist->filename;
- file_description = "Access Control List";
- }
- break;
-#endif /* def ACL_FILES */
-
-#ifdef PCRS
- case 'r':
- if (csp->rlist)
- {
- filename = csp->rlist->filename;
- file_description = "Regex Filter List";
- }
- break;
-#endif /* def PCRS */
-
-#ifdef TRUST_FILES
- case 't':
- if (csp->tlist)
- {
- filename = csp->tlist->filename;
- file_description = "Trust List";
- }
- break;
-#endif /* def TRUST_FILES */
- }
-
- if (NULL != filename)
- {
- exports = map(exports, "filename", 1, file_description, 1);
- exports = map(exports, "filepath", 1, html_encode(filename), 0);
-
- if ((fp = fopen(filename, "r")) == NULL)
- {
- exports = map(exports, "content", 1, "</pre><h1>ERROR OPENING FILE!</h1><pre>", 1);
- }
- else
- {
- while (fgets(buf, sizeof(buf), fp))
- {
- p = html_encode(buf);
- if (p)
- {
- s = strsav(s, p);
- freez(p);
- s = strsav(s, "<br>");
- }
- }
- fclose(fp);
- exports = map(exports, "contents", 1, s, 0);
- }
- rsp->body = fill_template(csp, "show-status-file", exports);;
- free_map(exports);
- return(0);
-
- }
-
-#endif /* def SPLIT_PROXY_ARGS */
-
- exports = map(exports, "redirect-url", 1, REDIRECT_URL, 1);
- exports = map(exports, "version", 1, VERSION, 1);
- exports = map(exports, "home-page", 1, HOME_PAGE_URL, 1);
- exports = map(exports, "invocation-args", 1, csp->config->proxy_args_header, 1);
- exports = map(exports, "gateways", 1, csp->config->proxy_args_gateways, 1);
- exports = map(exports, "gateway-protocols", 1, s, 0);
-
-
-#ifdef STATISTICS
- exports = map(exports, "statistics", 1, add_stats(NULL), 0);
-#else
- exports = map(exports, "statistics", 1, "", 1);
-#endif /* ndef STATISTICS */
-
-#ifdef SPLIT_PROXY_ARGS
- if (csp->actions_list)
- {
- exports = map(exports, "actions-filename", 1, csp->actions_list->filename, 1);
- }
- else
- {
- exports = map(exports, "actions-filename", 1, "None specified", 1);
- }
-
- if (csp->flist)
- {
- exports = map(exports, "forward-filename", 1, csp->flist->filename, 1);
- }
- else
- {
- exports = map(exports, "forward-filename", 1, "None specified", 1);
- }
-
-#ifdef ACL_FILES
- if (csp->alist)
- {
- exports = map(exports, "acl-filename", 1, csp->alist->filename, 1);
- }
- else
- {
- exports = map(exports, "acl-filename", 1, "None specified", 1);
- }
-#else
- exports = map(exports, "acl-killer-start.*acl-killer-end", 1, "", 1);
-#endif /* ndef ACL_FILES */
-
-#ifdef PCRS
- if (csp->rlist)
- {
- exports = map(exports, "re-filter-filename", 1, csp->rlist->filename, 1);
- }
- else
- {
- exports = map(exports, "re-filter-filename", 1, "None specified", 1);
- }
-#else
- exports = map(exports, "re-filter-killer-start.*re-filter-killer-end", 1, "", 1);
-#endif /* ndef PCRS */
-
-#ifdef TRUST_FILES
- if (csp->tlist)
- {
- exports = map(exports, "trust-filename", 1, csp->tlist->filename, 1);
- }
- else
- {
- exports = map(exports, "trust-filename", 1, "None specified", 1);
- }
-#else
- exports = map(exports, "acl-killer-start.*acl-killer-end", 1, "", 1);
-#endif /* ndef TRUST_FILES */
-
- exports = map(exports, ".list", 1, "" , 1);
-
-#else /* ifndef SPLIT_PROXY_ARGS */
- exports = map(exports, "magic-eliminator-start.*magic-eliminator-end", 1, "", 1);
-
- if (csp->clist)
- {
- map(exports, "clist", 1, csp->clist->proxy_args , 1);
- }
-
- if (csp->flist)
- {
- map(exports, "flist", 1, csp->flist->proxy_args , 1);
- }
-
-#ifdef ACL_FILES
- if (csp->alist)
- {
- map(exports, "alist", 1, csp->alist->proxy_args , 1);
- }
-#endif /* def ACL_FILES */
-
-#ifdef PCRS
- if (csp->rlist)
- {
- map(exports, "rlist", 1, csp->rlist->proxy_args , 1);
- }
-#endif /* def PCRS */
-
-#ifdef TRUST_FILES
- if (csp->tlist)
- {
- map(exports, "tlist", 1, csp->tlist->proxy_args , 1);
- }
-#endif /* def TRUST_FILES */
-
-#endif /* ndef SPLIT_PROXY_ARGS */
-
- s = end_proxy_args(csp->config);
- exports = map(exports, "rcs-and-defines", 1, s , 0);
-
-
- rsp->body = fill_template(csp, "show-status", exports);
- free_map(exports);
- return(0);
-
-}
-
-
- /*********************************************************************
- *
- * Function : cgi_show_url_info
- *
- * Description : (please fill me in)
- *
- * Parameters :
- * 1 : http = http_request request for crunched URL
- * 2 : csp = Current client state (buffers, headers, etc...)
- *
- * Returns : ???FIXME
- *
- *********************************************************************/
-char *cgi_show_url_info(struct http_request *http, struct client_state *csp)
-{
- char * query_string = strchr(http->path, '?');
- char * host = NULL;
-
- if (query_string != NULL)
- {
- query_string = url_decode(query_string + 1);
- if (strncmpic(query_string, "url=", 4) == 0)
- {
- host = strdup(query_string + 4);
- }
- freez(query_string);
- }
- if (host != NULL)
- {
- char * result;
- char * path;
- char * s;
- int port = 80;
- struct file_list *fl;
- struct url_actions *b;
- struct url_spec url[1];
- struct current_action_spec action[1];
-
- init_current_action(action);
-
- result = (char *)malloc(sizeof(C_URL_INFO_HEADER) + 2 * strlen(host));
- sprintf(result, C_URL_INFO_HEADER, host, host);
-
- s = current_action_to_text(action);
- result = strsav(result, "<h3>Defaults:</h3>\n<p><b>{");
- result = strsav(result, s);
- result = strsav(result, " }</b></p>\n<h3>Patterns affecting the URL:</h3>\n<p>\n");
- freez(s);
-
- s = strchr(host, '/');
- if (s != NULL)
- {
- path = strdup(s);
- *s = '\0';
- }
- else
- {
- path = strdup("");
- }
- s = strchr(host, ':');
- if (s != NULL)
- {
- *s++ = '\0';
- port = atoi(s);
- }
-
- if (((fl = csp->actions_list) == NULL) || ((b = fl->f) == NULL))
- {
- freez(host);
- freez(path);
- result = strsav(result, C_URL_INFO_FOOTER);
- return result;
- }
-
- *url = dsplit(host);
-
- /* if splitting the domain fails, punt */
- if (url->dbuf == NULL)
- {
- freez(host);
- freez(path);
- result = strsav(result, C_URL_INFO_FOOTER);
- return result;
- }
-
- for (b = b->next; NULL != b; b = b->next)
- {
- if ((b->url->port == 0) || (b->url->port == port))
- {
- if ((b->url->domain[0] == '\0') || (domaincmp(b->url, url) == 0))
- {
- if ((b->url->path == NULL) ||
-#ifdef REGEX
- (regexec(b->url->preg, path, 0, NULL, 0) == 0)
-#else
- (strncmp(b->url->path, path, b->url->pathlen) == 0)
-#endif
- )
- {
- s = actions_to_text(b->action);
- result = strsav(result, "<b>{");
- result = strsav(result, s);
- result = strsav(result, " }</b><br>\n<code>");
- result = strsav(result, b->url->spec);
- result = strsav(result, "</code><br>\n<br>\n");
- freez(s);
-
- merge_current_action(action, b->action);
- }
- }
- }
- }
-
- freez(url->dbuf);
- freez(url->dvec);
-
- freez(host);
- freez(path);
-
- s = current_action_to_text(action);
- result = strsav(result, "</p>\n<h2>Final Results:</h2>\n<p><b>{");
- result = strsav(result, s);
- result = strsav(result, " }</b><br>\n<br>\n");
- freez(s);
-
- free_current_action(action);
-
- result = strsav(result, C_URL_INFO_FOOTER);
- return result;
- }
- else
- {
- return strdup(C_URL_INFO_FORM);
- }
-}
-
-
-
-#ifdef TRUST_FILES
-/*********************************************************************
- *
- * Function : ij_untrusted_url
- *
- * Description : This "crunch"es "http:/any.thing/ij-untrusted-url" and
- * returns a web page describing why it was untrusted.
- *
- * Parameters :
- * 1 : http = http_request request for crunched URL
- * 2 : csp = Current client state (buffers, headers, etc...)
- *
- * Returns : A string that contains why this was untrusted.
- *
- *********************************************************************/
-char *ij_untrusted_url(struct http_request *http, struct client_state *csp)
-{
- int n;
- char *hostport, *path, *refer, *p, *v[9];
- char buf[BUFSIZ];
- struct url_spec **tl, *t;
-
-
- static const char format[] =
- "HTTP/1.0 200 OK\r\n"
- "Pragma: no-cache\n"
- "Last-Modified: Thu Jul 31, 1997 07:42:22 pm GMT\n"
- "Expires: Thu Jul 31, 1997 07:42:22 pm GMT\n"
- "Content-Type: text/html\n\n"
- "<html>\n"
- "<head>\n"
- "<title>Internet Junkbuster: Request for untrusted URL</title>\n"
- "</head>\n"
- BODY
- "<center><h1>"
- BANNER
- "</h1></center>"
- "The " BANNER " Proxy "
- "<A href=\"" HOME_PAGE_URL "\">"
- "(" HOME_PAGE_URL ") </A>"
- "intercepted the request for %s%s\n"
- "because the URL is not trusted.\n"
- "<br><br>\n";
-
- if ((n = ssplit(http->path, "?+", v, SZ(v), 0, 0)) == 4)
- {
- hostport = url_decode(v[1]);
- path = url_decode(v[2]);
- refer = url_decode(v[3]);
- }
- else
- {
- hostport = strdup("undefined_host");
- path = strdup("/undefined_path");
- refer = strdup("undefined");
- }
-
- n = sizeof(format);
- n += strlen(hostport);
- n += strlen(path );
-
- if ((p = (char *)malloc(n)))
- {
- sprintf(p, format, hostport, path);
- }
-
- strsav(p, "The referrer in this request was <strong>");
- strsav(p, refer);
- strsav(p, "</strong><br>\n");
-
- freez(hostport);
- freez(path );
- freez(refer );
-
- p = strsav(p, "<h3>The following referrers are trusted</h3>\n");
-
- for (tl = csp->config->trust_list; (t = *tl) ; tl++)
- {
- sprintf(buf, "%s<br>\n", t->spec);
- p = strsav(p, buf);
- }
-
- if (csp->config->trust_info->next)
- {
- struct list *l;
-
- strcpy(buf,
- "<p>"
- "You can learn more about what this means "
- "and what you may be able to do about it by "
- "reading the following documents:<br>\n"
- "<ol>\n"
- );
-
- p = strsav(p, buf);
-
- for (l = csp->config->trust_info->next; l ; l = l->next)
- {
- sprintf(buf,
- "<li> <a href=%s>%s</a><br>\n",
- l->str, l->str);
- p = strsav(p, buf);
- }
-
- p = strsav(p, "</ol>\n");
- }
-
- p = strsav(p, "</body>\n" "</html>\n");
-
- return(p);
-
-}
-#endif /* def TRUST_FILES */
-
-
-#ifdef STATISTICS
-/*********************************************************************
- *
- * Function : add_stats
- *
- * Description : Statistics function of JB. Called by `show_proxy_args'.
- *
- * Parameters :
- * 1 : s = string that holds the proxy args description page
- *
- * Returns : A pointer to the descriptive status web page.
- *
- *********************************************************************/
-char *add_stats(char *s)
-{
- /*
- * Output details of the number of requests rejected and
- * accepted. This is switchable in the junkbuster config.
- * Does nothing if this option is not enabled.
- */
-
- float perc_rej; /* Percentage of http requests rejected */
- char out_str[81];
- int local_urls_read = urls_read;
- int local_urls_rejected = urls_rejected;
-
- /*
- * Need to alter the stats not to include the fetch of this
- * page.
- *
- * Can't do following thread safely! doh!
- *
- * urls_read--;
- * urls_rejected--; * This will be incremented subsequently *
- */
-
- s = strsav(s,"<h2>Statistics for this " BANNER ":</h2>\n");
-
- if (local_urls_read == 0)
- {
-
- s = strsav(s,"No activity so far!\n");
-
- }
- else
- {
-
- perc_rej = (float)local_urls_rejected * 100.0F /
- (float)local_urls_read;
-
- sprintf(out_str,
- "%d requests received, %d filtered "
- "(%6.2f %%).",
- local_urls_read,
- local_urls_rejected, perc_rej);
-
- s = strsav(s,out_str);
- }
-
- return(s);
-}
-#endif /* def STATISTICS */
-
-/*
- Local Variables:
- tab-width: 3
- end:
-*/
projects / privoxy.git / commitdiff