-const char parsers_rcs[] = "$Id: parsers.c,v 1.38 2001/10/25 03:40:48 david__schmidt Exp $";
+const char parsers_rcs[] = "$Id: parsers.c,v 1.45 2002/01/09 14:33:03 oes Exp $";
/*********************************************************************
*
* File : $Source: /cvsroot/ijbswa/current/parsers.c,v $
* `client_uagent', `client_x_forwarded',
* `client_x_forwarded_adder', `client_xtra_adder',
* `content_type', `crumble', `destroy_list', `enlist',
- * `flush_socket', `free_http_request', `get_header',
- * `list_to_text', `parse_http_request', `sed',
+ * `flush_socket', ``get_header', `sed',
* and `server_set_cookie'.
*
* Copyright : Written by and Copyright (C) 2001 the SourceForge
*
* Revisions :
* $Log: parsers.c,v $
+ * Revision 1.45 2002/01/09 14:33:03 oes
+ * Added support for localtime_r.
+ *
+ * Revision 1.44 2001/12/14 01:22:54 steudten
+ * Remove 'user:pass@' from 'proto://user:pass@host' for the
+ * new added header 'Host: ..'. (See Req ID 491818)
+ *
+ * Revision 1.43 2001/11/23 00:26:38 jongfoster
+ * Fixing two really stupid errors in my previous commit
+ *
+ * Revision 1.42 2001/11/22 21:59:30 jongfoster
+ * Adding code to handle +no-cookies-keep
+ *
+ * Revision 1.41 2001/11/05 23:43:05 steudten
+ * Add time+date to log files.
+ *
+ * Revision 1.40 2001/10/26 20:13:09 jongfoster
+ * ctype.h is needed in Windows, too.
+ *
+ * Revision 1.39 2001/10/26 17:40:04 oes
+ * Introduced get_header_value()
+ * Removed http->user_agent, csp->referrer and csp->accept_types
+ * Removed client_accept()
+ *
* Revision 1.38 2001/10/25 03:40:48 david__schmidt
* Change in porting tactics: OS/2's EMX porting layer doesn't allow multiple
* threads to call select() simultaneously. So, it's time to do a real, live,
#ifndef _WIN32
#include <stdio.h>
#include <sys/types.h>
-#include <stdlib.h>
-#include <ctype.h>
#endif
+#include <stdlib.h>
+#include <ctype.h>
#include <assert.h>
#include <string.h>
}
-/*********************************************************************
- *
- * Function : free_http_request
- *
- * Description : Freez a http_request structure
- *
- * Parameters :
- * 1 : http = points to a http_request structure to free
- *
- * Returns : N/A
- *
- *********************************************************************/
-void free_http_request(struct http_request *http)
-{
- assert(http);
-
- freez(http->cmd);
- freez(http->gpc);
- freez(http->host);
- freez(http->url);
- freez(http->hostport);
- freez(http->path);
- freez(http->ver);
- freez(http->host_ip_addr_str);
-
-}
-
-
-/*********************************************************************
- *
- * Function : parse_http_request
- *
- * Description : Parse out the host and port from the URL. Find the
- * hostname & path, port (if ':'), and/or password (if '@')
- *
- * Parameters :
- * 1 : req = URL (or is it URI?) to break down
- * 2 : http = pointer to the http structure to hold elements
- * 3 : csp = Current client state (buffers, headers, etc...)
- *
- * Returns : N/A
- *
- *********************************************************************/
-void parse_http_request(char *req, struct http_request *http, struct client_state *csp)
-{
- char *buf, *v[10], *url, *p;
- int n;
-
- memset(http, '\0', sizeof(*http));
- http->cmd = strdup(req);
-
- buf = strdup(req);
- n = ssplit(buf, " \r\n", v, SZ(v), 1, 1);
-
- if (n == 3)
- {
- /* this could be a CONNECT request */
- if (strcmpic(v[0], "connect") == 0)
- {
- http->ssl = 1;
- http->gpc = strdup(v[0]);
- http->hostport = strdup(v[1]);
- http->ver = strdup(v[2]);
- }
-
- /* or it could be any other basic HTTP request type */
- if ((0 == strcmpic(v[0], "get"))
- || (0 == strcmpic(v[0], "head"))
- || (0 == strcmpic(v[0], "post"))
- || (0 == strcmpic(v[0], "put"))
- || (0 == strcmpic(v[0], "delete"))
-
- /* or a webDAV extension (RFC2518) */
- || (0 == strcmpic(v[0], "propfind"))
- || (0 == strcmpic(v[0], "proppatch"))
- || (0 == strcmpic(v[0], "move"))
- || (0 == strcmpic(v[0], "copy"))
- || (0 == strcmpic(v[0], "mkcol"))
- || (0 == strcmpic(v[0], "lock"))
- || (0 == strcmpic(v[0], "unlock"))
- )
- {
- http->ssl = 0;
- http->gpc = strdup(v[0]);
- http->url = strdup(v[1]);
- http->ver = strdup(v[2]);
-
- url = v[1];
- if (strncmpic(url, "http://", 7) == 0)
- {
- url += 7;
- }
- else if (strncmpic(url, "https://", 8) == 0)
- {
- url += 8;
- }
- else
- {
- url = NULL;
- }
-
- if (url)
- {
- if ((p = strchr(url, '/')))
- {
- http->path = strdup(p);
- *p = '\0';
- http->hostport = strdup(url);
- }
- /*
- * Repair broken HTTP requests that don't contain a path
- */
- else
- {
- http->path = strdup("/");
- http->hostport = strdup(url);
- }
- }
- }
- }
-
- freez(buf);
-
-
- if (http->hostport == NULL)
- {
- free_http_request(http);
- return;
- }
-
- buf = strdup(http->hostport);
-
-
- /* check if url contains password */
- n = ssplit(buf, "@", v, SZ(v), 1, 1);
- if (n == 2)
- {
- char * newbuf = NULL;
- newbuf = strdup(v[1]);
- freez(buf);
- buf = newbuf;
- }
-
- n = ssplit(buf, ":", v, SZ(v), 1, 1);
-
- if (n == 1)
- {
- http->host = strdup(v[0]);
- http->port = 80;
- }
-
- if (n == 2)
- {
- http->host = strdup(v[0]);
- http->port = atoi(v[1]);
- }
-
- freez(buf);
-
- if (http->host == NULL)
- {
- free_http_request(http);
- }
-
- if (http->path == NULL)
- {
- http->path = strdup("/");
- }
-
-}
-
-
/* here begins the family of parser functions that reformat header lines */
*********************************************************************/
void client_host_adder(struct client_state *csp)
{
- char *p = NULL;
+ char *p = NULL,
+ *pos = NULL;
+ if ( !csp->http->hostport || !*(csp->http->hostport)) return;
p = strsav(p, "Host: ");
- p = strsav(p, csp->http->hostport);
-
+ /*
+ ** remove 'user:pass@' from 'proto://user:pass@host'
+ */
+ if ( (pos = strchr( csp->http->hostport, '@')) != NULL )
+ {
+ p = strsav(p, pos+1);
+ }
+ else
+ {
+ p = strsav(p, csp->http->hostport);
+ }
log_error(LOG_LEVEL_HEADER, "addh: %s", p);
enlist(csp->headers, p);
#ifdef FEATURE_COOKIE_JAR
if (csp->config->jar)
{
- fprintf(csp->config->jar, "%s\t%s\n", csp->http->host, (s + v->len + 1));
+ /*
+ * Write timestamp into outbuf.
+ *
+ * Complex because not all OSs have tm_gmtoff or
+ * the %z field in strftime()
+ */
+ char tempbuf[ BUFFER_SIZE ];
+ time_t now;
+ struct tm tm_now;
+ time (&now);
+#ifdef HAVE_LOCALTIME_R
+ tm_now = *localtime_r(&now, &tm_now);
+#else
+ tm_now = *localtime (&now);
+#endif
+ strftime(tempbuf, BUFFER_SIZE-6, "%b %d %H:%M:%S ", &tm_now);
+
+ fprintf(csp->config->jar, "%s %s\t%s\n", tempbuf, csp->http->host, (s + v->len + 1));
}
#endif /* def FEATURE_COOKIE_JAR */
{
return(crumble(v, s, csp));
}
+ else if ((csp->action->flags & ACTION_NO_COOKIE_KEEP) != 0)
+ {
+ /* Flag whether or not to log a message */
+ int changed = 0;
+
+ /* A variable to store the tag we're working on */
+ char * cur_tag;
+
+ /* Make a copy of the header we can write to */
+ char * result = strdup(s);
+ if (result == NULL)
+ {
+ /* FIXME: This error handling is incorrect */
+ return NULL;
+ }
+
+ /* Skip "Set-Cookie:" (11 characters) in header */
+ cur_tag = result + 11;
+
+ /* skip whitespace between "Set-Cookie:" and value */
+ while (*cur_tag && ijb_isspace(*cur_tag))
+ {
+ cur_tag++;
+ }
+
+ /* Loop through each tag in the cookie */
+ while (*cur_tag)
+ {
+ /* Find next tag */
+ char * next_tag = strchr(cur_tag, ';');
+ if (next_tag != NULL)
+ {
+ /* Skip the ';' character itself */
+ next_tag++;
+
+ /* skip whitespace ";" and start of tag */
+ while (*next_tag && ijb_isspace(*next_tag))
+ {
+ next_tag++;
+ }
+ }
+ else
+ {
+ /* "Next tag" is the end of the string */
+ next_tag = cur_tag + strlen(cur_tag);
+ }
+
+ /* Is this the "Expires" tag? */
+ if (strncmpic(cur_tag, "expires=", 8) == 0)
+ {
+ /* Delete the tag by copying the rest of the string over it.
+ * (Note that we cannot just use "strcpy(cur_tag, next_tag)",
+ * since the behaviour of strcpy is undefined for overlapping
+ * strings.)
+ */
+ memmove(cur_tag, next_tag, strlen(next_tag) + 1);
+
+ /* That changed the header, need to issue a log message */
+ changed = 1;
+
+ /* Note that the next tag has now been moved to *cur_tag,
+ * so we do not need to update the cur_tag pointer.
+ */
+ }
+ else
+ {
+ /* Move on to next cookie tag */
+ cur_tag = next_tag;
+ }
+ }
+
+ if (changed)
+ {
+ log_error(LOG_LEVEL_HEADER, "Changed cookie to a temporary one.");
+ }
+
+ return result;
+ }
return(strdup(s));
-
}
projects / privoxy.git / blobdiff