/*
- * context_loop.c
+ * $Id$
*
* This is the other half of the webserver. It handles the task of hooking
* up HTTP requests with the sessions they belong to, using HTTP cookies to
* keep track of things. If the HTTP request doesn't belong to any currently
* active session, a new session is started.
*
- * $Id$
*/
-#include <ctype.h>
-#include <stdlib.h>
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-#include <stdio.h>
-#ifdef HAVE_FCNTL_H
-#include <fcntl.h>
-#endif
-#include <signal.h>
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <sys/socket.h>
-#ifdef HAVE_SYS_TIME_H
-#include <sys/time.h>
-#endif
-#ifdef HAVE_LIMITS_H
-#include <limits.h>
-#endif
-#include <netinet/in.h>
-#include <netdb.h>
-#include <string.h>
-#include <errno.h>
-#include <stdarg.h>
-#include <pthread.h>
-#include <signal.h>
#include "webcit.h"
#include "webserver.h"
+#include "modules_init.h"
/* Only one thread may manipulate SessionList at a time... */
pthread_mutex_t SessionListMutex;
-struct wcsession *SessionList = NULL;
-
-pthread_key_t MyConKey; /* TSD key for MySession() */
+wcsession *SessionList = NULL; /**< our sessions ????*/
+pthread_key_t MyConKey; /**< TSD key for MySession() */
+HashList *HttpReqTypes = NULL;
+HashList *HttpHeaderHandler = NULL;
+extern HashList *HandlerHash;
-void free_attachments(struct wcsession *sess) {
- struct wc_attachment *att;
+void DestroyHttpHeaderHandler(void *V)
+{
+ OneHttpHeader *pHdr;
+ pHdr = (OneHttpHeader*) V;
+ FreeStrBuf(&pHdr->Val);
+ free(pHdr);
+}
- while (sess->first_attachment != NULL) {
- att = sess->first_attachment;
- sess->first_attachment = sess->first_attachment->next;
- free(att->data);
- free(att);
+void shutdown_sessions(void)
+{
+ wcsession *sptr;
+
+ for (sptr = SessionList; sptr != NULL; sptr = sptr->next) {
+ sptr->killthis = 1;
}
}
-
void do_housekeeping(void)
{
- struct wcsession *sptr, *ss, *session_to_kill;
+ wcsession *sptr, *ss;
+ wcsession *sessions_to_kill = NULL;
int num_sessions = 0;
static int num_threads = MIN_WORKER_THREADS;
- do {
- session_to_kill = NULL;
- pthread_mutex_lock(&SessionListMutex);
- num_sessions = 0;
- for (sptr = SessionList; sptr != NULL; sptr = sptr->next) {
- ++num_sessions;
-
- /* Kill idle sessions */
- if ((time(NULL) - (sptr->lastreq)) >
- (time_t) WEBCIT_TIMEOUT) {
- sptr->killthis = 1;
- }
-
- /* Remove sessions flagged for kill */
- if (sptr->killthis) {
+ /**
+ * Lock the session list, moving any candidates for euthanasia into
+ * a separate list.
+ */
+ pthread_mutex_lock(&SessionListMutex);
+ num_sessions = 0;
+ for (sptr = SessionList; sptr != NULL; sptr = sptr->next) {
+ ++num_sessions;
+
+ /** Kill idle sessions */
+ if ((time(NULL) - (sptr->lastreq)) >
+ (time_t) WEBCIT_TIMEOUT) {
+ sptr->killthis = 1;
+ }
- lprintf(3, "Destroying session %d\n",
- sptr->wc_session);
+ /** Remove sessions flagged for kill */
+ if (sptr->killthis) {
- /* remove session from linked list */
- if (sptr == SessionList) {
- SessionList = SessionList->next;
- }
- else for (ss=SessionList;ss!=NULL;ss=ss->next) {
- if (ss->next == sptr) {
- ss->next = ss->next->next;
- }
- }
-
- session_to_kill = sptr;
- goto BREAKOUT;
+ /** remove session from linked list */
+ if (sptr == SessionList) {
+ SessionList = SessionList->next;
}
- }
-BREAKOUT: pthread_mutex_unlock(&SessionListMutex);
-
- if (session_to_kill != NULL) {
- pthread_mutex_lock(&session_to_kill->SessionMutex);
- close(session_to_kill->serv_sock);
- close(session_to_kill->chat_sock);
- if (session_to_kill->preferences != NULL) {
- free(session_to_kill->preferences);
+ else for (ss=SessionList;ss!=NULL;ss=ss->next) {
+ if (ss->next == sptr) {
+ ss->next = ss->next->next;
+ }
}
- free_attachments(session_to_kill);
- pthread_mutex_unlock(&session_to_kill->SessionMutex);
- free(session_to_kill);
+
+ sptr->next = sessions_to_kill;
+ sessions_to_kill = sptr;
}
+ }
+ pthread_mutex_unlock(&SessionListMutex);
- } while (session_to_kill != NULL);
+ /**
+ * Now free up and destroy the culled sessions.
+ */
+ while (sessions_to_kill != NULL) {
+ lprintf(3, "Destroying session %d\n", sessions_to_kill->wc_session);
+ pthread_mutex_lock(&sessions_to_kill->SessionMutex);
+ pthread_mutex_unlock(&sessions_to_kill->SessionMutex);
+ sptr = sessions_to_kill->next;
+
+ session_destroy_modules(&sessions_to_kill);
+ sessions_to_kill = sptr;
+ --num_sessions;
+ }
- /*
- * See if we need more worker threads
+ /**
+ * If there are more sessions than threads, then we should spawn
+ * more threads ... up to a predefined maximum.
*/
while ( (num_sessions > num_threads)
&& (num_threads <= MAX_WORKER_THREADS) ) {
}
-/*
+/*
* Wake up occasionally and clean house
*/
void housekeeping_loop(void)
/*
+ * Create a Session id
* Generate a unique WebCit session ID (which is not the same thing as the
* Citadel session ID).
- *
- * FIXME ... ensure that session number is truly unique
- *
*/
int GenerateSessionID(void)
{
}
-/*
- * Collapse multiple cookies on one line
- */
-int req_gets(int sock, char *buf, char *hold)
-{
- int a;
-
- if (strlen(hold) == 0) {
- strcpy(buf, "");
- a = client_gets(sock, buf);
- if (a<1) return(-1);
- } else {
- strcpy(buf, hold);
- }
- strcpy(hold, "");
-
- if (!strncasecmp(buf, "Cookie: ", 8)) {
- for (a = 0; a < strlen(buf); ++a)
- if (buf[a] == ';') {
- sprintf(hold, "Cookie: %s", &buf[a + 1]);
- buf[a] = 0;
- while (isspace(hold[8]))
- strcpy(&hold[8], &hold[9]);
- return(0);
- }
- }
-
- return(0);
-}
-
/*
* lingering_close() a`la Apache. see
* http://www.apache.org/docs/misc/fin_wait_2.html for rationale
*/
-
int lingering_close(int fd)
{
char buf[SIZ];
-/*
- * Check for bogus requests coming from (for example) brain-dead
- * Windoze boxes that are infected with the latest worm-of-the-week.
- * If we detect one of these, bail out without bothering our Citadel
- * server.
+
+/**
+ * \brief Detects a 'mobile' user agent
*/
-int is_bogus(char *http_cmd) {
+int is_mobile_ua(char *user_agent) {
+ if (strstr(user_agent,"iPhone OS") != NULL) {
+ return 1;
+ } else if (strstr(user_agent,"Windows CE") != NULL) {
+ return 1;
+ } else if (strstr(user_agent,"SymbianOS") != NULL) {
+ return 1;
+ } else if (strstr(user_agent, "Opera Mobi") != NULL) {
+ return 1;
+ } else if (strstr(user_agent, "Firefox/2.0.0 Opera 9.51 Beta") != NULL) {
+ /* For some reason a new install of Opera 9.51beta decided to spoof. */
+ return 1;
+ }
+ return 0;
+}
+
- if (!strncasecmp(http_cmd, "GET /scripts/root.exe", 21)) return(1);
- if (!strncasecmp(http_cmd, "GET /c/winnt", 12)) return(2);
- if (!strncasecmp(http_cmd, "GET /MSADC/", 11)) return(3);
+
+/*
+ * Look for commonly-found probes of malware such as worms, viruses, trojans, and Microsoft Office.
+ * Short-circuit these requests so we don't have to send them through the full processing loop.
+ */
+int is_bogus(StrBuf *http_cmd) {////TODO!
+ const char *url;
+ int i, max;
+ const char *bogus_prefixes[] = {
+ "/scripts/root.exe", /* Worms and trojans and viruses, oh my! */
+ "/c/winnt",
+ "/MSADC/",
+ "/_vti", /* Broken Microsoft DAV implementation */
+ "/MSOffice", /* Stoopid MSOffice thinks everyone is IIS */
+ "/nonexistenshit" /* Exploit found in the wild January 2009 */
+ };
+
+ url = ChrPtr(http_cmd);
+ if (IsEmptyStr(url)) return(1);
+ ++url;
+
+ max = sizeof(bogus_prefixes) / sizeof(char *);
+
+ for (i=0; i<max; ++i) {
+ if (!strncasecmp(url, bogus_prefixes[i], strlen(bogus_prefixes[i]))) {
+ return(2);
+ }
+ }
return(0); /* probably ok */
}
+int ReadHttpSubject(ParsedHttpHdrs *Hdr, StrBuf *Line, StrBuf *Buf)
+{
+ const char *Args;
+ void *vLine, *vHandler;
+ const char *Pos = NULL;
+
+
+ Hdr->ReqLine = Line;
+ /* The requesttype... GET, POST... */
+ StrBufExtract_token(Buf, Hdr->ReqLine, 0, ' ');
+ if (GetHash(HttpReqTypes, SKEY(Buf), &vLine) &&
+ (vLine != NULL))
+ {
+ Hdr->eReqType = *(long*)vLine;
+ }
+ else {
+ Hdr->eReqType = eGET;
+ return 1;
+ }
+ StrBufCutLeft(Hdr->ReqLine, StrLength(Buf) + 1);
+
+ /* the HTTP Version... */
+ StrBufExtract_token(Buf, Hdr->ReqLine, 1, ' ');
+ StrBufCutRight(Hdr->ReqLine, StrLength(Buf) + 1);
+ if ((StrLength(Buf) == 0) ||
+ is_bogus(Hdr->ReqLine)) {
+ Hdr->eReqType = eGET;
+ return 1;
+ }
+
+ Hdr->this_page = NewStrBufDup(Hdr->ReqLine);
+ /* chop Filename / query arguments */
+ Args = strchr(ChrPtr(Hdr->ReqLine), '?');
+ if (Args == NULL) /* whe're not that picky about params... TODO: this will spoil '&' in filenames.*/
+ Args = strchr(ChrPtr(Hdr->ReqLine), '&');
+ if (Args != NULL) {
+ Hdr->PlainArgs = NewStrBufPlain(
+ Args,
+ StrLength(Hdr->ReqLine) -
+ (Args - ChrPtr(Hdr->ReqLine)));
+ StrBufCutAt(Hdr->ReqLine, 0, Args);
+ } /* don't parse them yet, maybe we don't even care... */
+
+ /* now lookup what we are going to do with this... */
+ /* skip first slash */
+ StrBufExtract_NextToken(Buf, Hdr->ReqLine, &Pos, '/');
+ do {
+ StrBufExtract_NextToken(Buf, Hdr->ReqLine, &Pos, '/');
+
+ GetHash(HandlerHash, SKEY(Buf), &vHandler),
+ Hdr->Handler = (WebcitHandler*) vHandler;
+ if (Hdr->Handler == NULL)
+ break;
+ /* are we about to ignore some prefix like webcit/ ? */
+ if ((Hdr->Handler->Flags & URLNAMESPACE) == 0)
+ break;
+ } while (1);
+ /* remove the handlername from the URL */
+ if (Pos != NULL) {
+ StrBufCutLeft(Hdr->ReqLine,
+ Pos - ChrPtr(Hdr->ReqLine));
+ }
+/*
+ if (Hdr->Handler == NULL)
+ return 1;
+*/
+ Hdr->HTTPHeaders = NewHash(1, NULL);
+
+ return 0;
+}
+
+int AnalyseHeaders(ParsedHttpHdrs *Hdr)
+{
+ OneHttpHeader *pHdr;
+ void *vHdr;
+ long HKLen;
+ const char *HashKey;
+ HashPos *at = GetNewHashPos(Hdr->HTTPHeaders, 0);
+
+ while (GetNextHashPos(Hdr->HTTPHeaders, at, &HKLen, &HashKey, &vHdr) &&
+ (vHdr != NULL)) {
+ pHdr = (OneHttpHeader *)vHdr;
+ if (pHdr->HaveEvaluator)
+ pHdr->H(pHdr->Val, Hdr);
+
+ }
+ DeleteHashPos(&at);
+ return 0;
+}
+
+/*const char *nix(void *vptr) {return ChrPtr( (StrBuf*)vptr);}*/
/*
+ * Read in the request
+ */
+int ReadHTTPRequset (ParsedHttpHdrs *Hdr)
+{
+ const char *pch, *pchs, *pche;
+ OneHttpHeader *pHdr;
+ StrBuf *Line, *LastLine, *HeaderName;
+ int nLine = 0;
+ void *vF;
+ int isbogus = 0;
+
+ HeaderName = NewStrBuf();
+ Hdr->ReadBuf = NewStrBuf();
+ LastLine = NULL;
+ do {
+ nLine ++;
+ Line = NewStrBuf();
+
+ if (ClientGetLine(&Hdr->http_sock, Line, Hdr->ReadBuf, &Hdr->Pos) < 0) return 1;
+
+ if (StrLength(Line) == 0) {
+ FreeStrBuf(&Line);
+ continue;
+ }
+ if (nLine == 1) {
+ isbogus = ReadHttpSubject(Hdr, Line, HeaderName);
+ if (isbogus) break;
+ continue;
+ }
+
+ /* Do we need to Unfold? */
+ if ((LastLine != NULL) &&
+ (isspace(*ChrPtr(Line)))) {
+ pch = pchs = ChrPtr(Line);
+ pche = pchs + StrLength(Line);
+ while (isspace(*pch) && (pch < pche))
+ pch ++;
+ StrBufCutLeft(Line, pch - pchs);
+ StrBufAppendBuf(LastLine, Line, 0);
+ FreeStrBuf(&Line);
+ continue;
+ }
+
+ StrBufSanitizeAscii(Line, 'ยง');
+ StrBufExtract_token(HeaderName, Line, 0, ':');
+
+ pchs = ChrPtr(Line);
+ pch = pchs + StrLength(HeaderName) + 1;
+ pche = pchs + StrLength(Line);
+ while (isspace(*pch) && (pch < pche))
+ pch ++;
+ StrBufCutLeft(Line, pch - pchs);
+
+ StrBufUpCase(HeaderName);
+
+ pHdr = (OneHttpHeader*) malloc(sizeof(OneHttpHeader));
+ memset(pHdr, 0, sizeof(OneHttpHeader));
+ pHdr->Val = Line;
+
+ if (GetHash(HttpHeaderHandler, SKEY(HeaderName), &vF) &&
+ (vF != NULL))
+ {
+ OneHttpHeader *FHdr = (OneHttpHeader*) vF;
+ pHdr->H = FHdr->H;
+ pHdr->HaveEvaluator = 1;
+ }
+ Put(Hdr->HTTPHeaders, SKEY(HeaderName), pHdr, DestroyHttpHeaderHandler);
+ LastLine = Line;
+ } while (Line != NULL);
+
+ FreeStrBuf(&HeaderName);
+
+ return isbogus;
+}
+
+
+
+/*
+ * handle one request
+ *
* This loop gets called once for every HTTP connection made to WebCit. At
* this entry point we have an HTTP socket with a browser allegedly on the
* other end, but we have not yet bound to a WebCit session.
* function returns, the worker thread is then free to handle another
* transaction.
*/
-void context_loop(int sock)
+void context_loop(int *sock)
{
- struct httprequest *req = NULL;
- struct httprequest *last = NULL;
- struct httprequest *hptr;
- char buf[SIZ], hold[SIZ];
- int desired_session = 0;
- int got_cookie = 0;
- struct wcsession *TheSession, *sptr;
- int outside_frameset_allowed = 0;
-
+ ParsedHttpHdrs Hdr;
+ int isbogus = 0;
+ wcsession *TheSession, *sptr;
+ struct timeval tx_start;
+ struct timeval tx_finish;
+
+ gettimeofday(&tx_start, NULL); /* start a stopwatch for performance timing */
+
+ memset(&Hdr, 0, sizeof(ParsedHttpHdrs));
+ Hdr.eReqType = eGET;
+ Hdr.http_sock = *sock;
/*
* Find out what it is that the web browser is asking for
*/
- memset(hold, 0, sizeof(hold));
- do {
- if (req_gets(sock, buf, hold) < 0) return;
+ isbogus = ReadHTTPRequset(&Hdr);
- if (!strncasecmp(buf, "Cookie: webcit=", 15)) {
- cookie_to_stuff(&buf[15], &desired_session,
- NULL, NULL, NULL);
- got_cookie = 1;
- }
+ if (!isbogus)
+ isbogus = AnalyseHeaders(&Hdr);
+/*
+ if (isbogus)
+ StrBufPlain(ReqLine, HKEY("/404"));
+*/
- hptr = (struct httprequest *)
- malloc(sizeof(struct httprequest));
- if (req == NULL)
- req = hptr;
- else
- last->next = hptr;
- hptr->next = NULL;
- last = hptr;
+/* dbg_PrintHash(HTTPHeaders, nix, NULL); */
- strcpy(hptr->line, buf);
- } while (strlen(buf) > 0);
+///HttpHeaderHandler
+
- strcpy(buf, req->line);
- lprintf(5, "HTTP: %s\n", buf);
- /* Check for bogus requests */
- if (is_bogus(buf)) goto bail;
- /*
- * If requesting a non-root page, there should already be a cookie
- * set. If there isn't, the client browser has cookies turned off
- * (or doesn't support them) and we have to barf & bail.
- */
- if (!strncasecmp(buf, "GET ", 4)) strcpy(buf, &buf[4]);
- else if (!strncasecmp(buf, "HEAD ", 5)) strcpy(buf, &buf[5]);
- else if (!strncasecmp(buf, "POST ", 5)) strcpy(buf, &buf[5]);
- if (buf[1]==' ') buf[1]=0;
/*
- * While we're at it, gracefully handle requests for the
- * robots.txt file...
- */
- if (!strncasecmp(buf, "/robots.txt", 11)) {
- strcpy(req->line, "GET /static/robots.txt"
- "?force_close_session=yes HTTP/1.0");
+ * If the request is prefixed by "/webcit" then chop that off. This
+ * allows a front end web server to forward all /webcit requests to us
+ * while still using the same web server port for other things.
+ * /
+ if (!isbogus &&
+ (StrLength(ReqLine) >= 8) &&
+ (strstr(ChrPtr(ReqLine), "/webcit/")) ) {
+ StrBufCutLeft(ReqLine, 7);
}
- /* These are the URL's which may be executed without a
- * session cookie already set. If it's not one of these,
- * force the session to close because cookies are
- * probably disabled on the client browser.
- */
- else if ( (strcmp(buf, "/"))
- && (strncasecmp(buf, "/listsub", 8))
- && (strncasecmp(buf, "/freebusy", 9))
- && (got_cookie == 0)) {
- strcpy(req->line, "GET /static/nocookies.html"
- "?force_close_session=yes HTTP/1.0");
+ /* Begin parsing the request. * /
+#ifdef TECH_PREVIEW
+ if ((strncmp(ChrPtr(ReqLine), "/sslg", 5) != 0) &&
+ (strncmp(ChrPtr(ReqLine), "/static/", 8) != 0) &&
+ (strncmp(ChrPtr(ReqLine), "/tiny_mce/", 10) != 0) &&
+ (strncmp(ChrPtr(ReqLine), "/wholist_section", 16) != 0) &&
+ (strstr(ChrPtr(ReqLine), "wholist_section") == NULL)) {
+#endif
+ lprintf(5, "HTTP: %s %s\n", ReqStrs[Hdr.eReqType], ChrPtr(ReqLine));
+#ifdef TECH_PREVIEW
}
+#endif
- /* These are the URL's which may be executed outside of the
- * main frameset. If it's not one of these, the page will
- * need JavaScript added to force the frameset to reload.
- */
- if ( (!strcasecmp(buf, "/"))
- || (!strcasecmp(buf, "/static/mainframeset.html"))
- || (!strcasecmp(buf, "/static/robots.txt"))
- || (!strncasecmp(buf, "/do_welcome", 11))
- || (!strncasecmp(buf, "/page_popup", 11))
- || (!strncasecmp(buf, "/page_user", 10)) /* Sometimes this is wrong */
- || (!strncasecmp(buf, "/listsub", 8))
- || (!strncasecmp(buf, "/freebusy", 9))
- || (!strncasecmp(buf, "/termquit", 9)) ) {
- outside_frameset_allowed = 1;
- }
- else {
- outside_frameset_allowed = 0;
- }
+*/
- /*
- * See if there's an existing session open with the desired ID
+ /**
+ * See if there's an existing session open with the desired ID or user/pass
*/
TheSession = NULL;
- if (desired_session != 0) {
+
+ if (TheSession == NULL) {
pthread_mutex_lock(&SessionListMutex);
- for (sptr = SessionList; sptr != NULL; sptr = sptr->next) {
- if (sptr->wc_session == desired_session) {
+ for (sptr = SessionList;
+ ((sptr != NULL) && (TheSession == NULL));
+ sptr = sptr->next) {
+
+ /** If HTTP-AUTH, look for a session with matching credentials * /
+ if ( (////TODO check auth type here...
+ &&(!strcasecmp(ChrPtr(sptr->httpauth_user), httpauth_user))
+ &&(!strcasecmp(ChrPtr(sptr->httpauth_pass), httpauth_pass)) ) {
+ TheSession = sptr;
+ }
+
+ /** If cookie-session, look for a session with matching session ID */
+ if ( (Hdr.desired_session != 0) && (sptr->wc_session == Hdr.desired_session)) {
TheSession = sptr;
}
+
}
pthread_mutex_unlock(&SessionListMutex);
}
- /*
+ /**
* Create a new session if we have to
*/
if (TheSession == NULL) {
lprintf(3, "Creating a new session\n");
- TheSession = (struct wcsession *)
- malloc(sizeof(struct wcsession));
- memset(TheSession, 0, sizeof(struct wcsession));
+ TheSession = (wcsession *)
+ malloc(sizeof(wcsession));
+ memset(TheSession, 0, sizeof(wcsession));
+ TheSession->Hdr = &Hdr;
TheSession->serv_sock = (-1);
TheSession->chat_sock = (-1);
- TheSession->wc_session = GenerateSessionID();
- pthread_mutex_init(&TheSession->SessionMutex, NULL);
+
+ /* If we're recreating a session that expired, it's best to give it the same
+ * session number that it had before. The client browser ought to pick up
+ * the new session number and start using it, but in some rare situations it
+ * doesn't, and that's a Bad Thing because it causes lots of spurious sessions
+ * to get created.
+ */
+ if (Hdr.desired_session == 0) {
+ TheSession->wc_session = GenerateSessionID();
+ }
+ else {
+ TheSession->wc_session = Hdr.desired_session;
+ }
+/*
+ TheSession->httpauth_user = NewStrBufPlain(httpauth_user, -1);
+ TheSession->httpauth_pass = NewStrBufPlain(httpauth_user, -1);
+*/
+ pthread_setspecific(MyConKey, (void *)TheSession);
+ session_new_modules(TheSession);
+ pthread_mutex_init(&TheSession->SessionMutex, NULL);
pthread_mutex_lock(&SessionListMutex);
+ TheSession->nonce = rand();
TheSession->next = SessionList;
+ TheSession->is_mobile = -1;
SessionList = TheSession;
pthread_mutex_unlock(&SessionListMutex);
}
*/
pthread_mutex_lock(&TheSession->SessionMutex); /* bind */
pthread_setspecific(MyConKey, (void *)TheSession);
- TheSession->http_sock = sock;
+
TheSession->lastreq = time(NULL); /* log */
- TheSession->outside_frameset_allowed = outside_frameset_allowed;
- session_loop(req); /* do transaction */
- pthread_mutex_unlock(&TheSession->SessionMutex); /* unbind */
+ TheSession->Hdr = &Hdr;
+
+ session_attach_modules(TheSession);
+ session_loop(); /* do transaction */
+ session_detach_modules(TheSession);
+ TheSession->Hdr = NULL;
+ pthread_mutex_unlock(&TheSession->SessionMutex); /* unbind */
+/* TODO
+
+ FreeStrBuf(&c_username);
+ FreeStrBuf(&c_password);
+ FreeStrBuf(&c_roomname);
+ FreeStrBuf(&c_httpauth_user);
+ FreeStrBuf(&c_httpauth_pass);
+*/
/* Free the request buffer */
-bail: while (req != NULL) {
- hptr = req->next;
- free(req);
- req = hptr;
+ ///DeleteHash(&HTTPHeaders);
+ ///FreeStrBuf(&ReqLine);
+
+ /* How long did this transaction take? */
+ gettimeofday(&tx_finish, NULL);
+
+ lprintf(9, "Transaction completed in %ld.%06ld seconds.\n",
+ ((tx_finish.tv_sec*1000000 + tx_finish.tv_usec) - (tx_start.tv_sec*1000000 + tx_start.tv_usec)) / 1000000,
+ ((tx_finish.tv_sec*1000000 + tx_finish.tv_usec) - (tx_start.tv_sec*1000000 + tx_start.tv_usec)) % 1000000
+ );
+}
+
+void tmplput_nonce(StrBuf *Target, WCTemplputParams *TP)
+{
+ wcsession *WCC = WC;
+ StrBufAppendPrintf(Target, "%ld",
+ (WCC != NULL)? WCC->nonce:0);
+}
+
+void tmplput_current_user(StrBuf *Target, WCTemplputParams *TP)
+{
+ StrBufAppendTemplate(Target, TP, WC->wc_fullname, 0);
+}
+
+void tmplput_current_room(StrBuf *Target, WCTemplputParams *TP)
+{
+ StrBufAppendTemplate(Target, TP, WC->wc_roomname, 0);
+}
+
+
+void Header_HandleCookie(StrBuf *Line, ParsedHttpHdrs *hdr)
+{
+ hdr->RawCookie = Line;
+ if (hdr->DontNeedAuth)
+ return;
+/*
+ c_username = NewStrBuf();
+ c_password = NewStrBuf();
+ c_roomname = NewStrBuf();
+ safestrncpy(c_httpauth_string, "", sizeof c_httpauth_string);
+ c_httpauth_user = NewStrBufPlain(HKEY(DEFAULT_HTTPAUTH_USER));
+ c_httpauth_pass = NewStrBufPlain(HKEY(DEFAULT_HTTPAUTH_PASS));
+*/
+ cookie_to_stuff(Line, &hdr->desired_session,
+ hdr->c_username,
+ hdr->c_password,
+ hdr->c_roomname);
+ hdr->got_cookie = 1;
+}
+
+
+ /*
+ * Browser-based sessions use cookies for session authentication
+ * /
+ if (!isbogus &&
+ GetHash(HTTPHeaders, HKEY("COOKIE"), &vLine) &&
+ (vLine != NULL)) {
+ cookie_to_stuff(vLine, &desired_session,
+ NULL, NULL, NULL);
+ got_cookie = 1;
+ }
+ */
+ /*
+ * GroupDAV-based sessions use HTTP authentication
+ */
+/*
+ if (!isbogus &&
+ GetHash(HTTPHeaders, HKEY("AUTHORIZATION"), &vLine) &&
+ (vLine != NULL)) {
+ Line = (StrBuf*)vLine;
+ if (strncasecmp(ChrPtr(Line), "Basic", 5) == 0) {
+ StrBufCutLeft(Line, 6);
+ CtdlDecodeBase64(httpauth_string, ChrPtr(Line), StrLength(Line));
+ extract_token(httpauth_user, httpauth_string, 0, ':', sizeof httpauth_user);
+ extract_token(httpauth_pass, httpauth_string, 1, ':', sizeof httpauth_pass);
+ }
+ else
+ lprintf(1, "Authentication scheme not supported! [%s]\n", ChrPtr(Line));
+ }
+
+*/
+void Header_HandleAuth(StrBuf *Line, ParsedHttpHdrs *hdr)
+{
+ const char *Pos = NULL;
+ StrBufDecodeBase64(Line);
+ StrBufExtract_NextToken(hdr->c_username, Line, &Pos, ':');
+ StrBufExtract_NextToken(hdr->c_password, Line, &Pos, ':');
+}
+
+void Header_HandleContentLength(StrBuf *Line, ParsedHttpHdrs *hdr)
+{
+ hdr->ContentLength = StrToi(Line);
+}
+
+void Header_HandleContentType(StrBuf *Line, ParsedHttpHdrs *hdr)
+{
+ hdr->ContentType = Line;
+}
+
+void Header_HandleUserAgent(StrBuf *Line, ParsedHttpHdrs *hdr)
+{
+ hdr->user_agent = Line;
+#ifdef TECH_PREVIEW
+/* TODO: do this later on session creating
+ if ((WCC->is_mobile < 0) && is_mobile_ua(&buf[12])) {
+ WCC->is_mobile = 1;
+ }
+ else {
+ WCC->is_mobile = 0;
}
+*/
+#endif
+}
+
+
+void Header_HandleHost(StrBuf *Line, ParsedHttpHdrs *hdr)
+{
+ if ((follow_xff) && (hdr->http_host != NULL))
+ return;
+ else
+ hdr->http_host = Line;
+}
+
+void Header_HandleXFFHost(StrBuf *Line, ParsedHttpHdrs *hdr)
+{
+ if (follow_xff)
+ hdr->http_host = Line;
+}
+
+
+void Header_HandleXFF(StrBuf *Line, ParsedHttpHdrs *hdr)
+{
+ hdr->browser_host = Line;
+
+ while (StrBufNum_tokens(hdr->browser_host, ',') > 1) {
+ StrBufRemove_token(hdr->browser_host, 0, ',');
+ }
+ StrBufTrim(hdr->browser_host);
+}
+
+void Header_HandleIfModSince(StrBuf *Line, ParsedHttpHdrs *hdr)
+{
+ hdr->if_modified_since = httpdate_to_timestamp(Line);
+}
+
+void Header_HandleAcceptEncoding(StrBuf *Line, ParsedHttpHdrs *hdr)
+{
+ /*
+ * Can we compress?
+ */
+ if (strstr(&ChrPtr(Line)[16], "gzip")) {
+ hdr->gzip_ok = 1;
+ }
+}
+
+/*
+{
+ c_username = NewStrBuf();
+ c_password = NewStrBuf();
+ c_roomname = NewStrBuf();
+ safestrncpy(c_httpauth_string, "", sizeof c_httpauth_string);
+ c_httpauth_user = NewStrBufPlain(HKEY(DEFAULT_HTTPAUTH_USER));
+ c_httpauth_pass = NewStrBufPlain(HKEY(DEFAULT_HTTPAUTH_PASS));
+}
+*/
+ /* *
+ * These are the URL's which may be executed without a
+ * session cookie already set. If it's not one of these,
+ * force the session to close because cookies are
+ * probably disabled on the client browser.
+ * /
+ else if ( (StrLength(ReqLine) > 1 )
+ && (strncasecmp(ChrPtr(ReqLine), "/404", 4))
+ && (Hdr.got_cookie == 0)) {
+ StrBufPlain(ReqLine,
+ HKEY("/static/nocookies.html"
+ "?force_close_session=yes"));
+ }
+*/
+const char *ReqStrs[eNONE] = {
+ "GET",
+ "POST",
+ "OPTIONS",
+ "PROPFIND",
+ "PUT",
+ "DELETE",
+ "HEAD",
+ "MOVE",
+ "COPY"
+};
+
+void
+ServerStartModule_CONTEXT
+(void)
+{
+ long *v;
+ HttpReqTypes = NewHash(1, NULL);
+ HttpHeaderHandler = NewHash(1, NULL);
+
+ v = malloc(sizeof(long));
+ *v = eGET;
+ Put(HttpReqTypes, HKEY("GET"), v, NULL);
+
+ v = malloc(sizeof(long));
+ *v = ePOST;
+ Put(HttpReqTypes, HKEY("POST"), v, NULL);
+
+ v = malloc(sizeof(long));
+ *v = eOPTIONS;
+ Put(HttpReqTypes, HKEY("OPTIONS"), v, NULL);
+
+ v = malloc(sizeof(long));
+ *v = ePROPFIND;
+ Put(HttpReqTypes, HKEY("PROPFIND"), v, NULL);
+
+ v = malloc(sizeof(long));
+ *v = ePUT;
+ Put(HttpReqTypes, HKEY("PUT"), v, NULL);
+
+ v = malloc(sizeof(long));
+ *v = eDELETE;
+ Put(HttpReqTypes, HKEY("DELETE"), v, NULL);
+
+ v = malloc(sizeof(long));
+ *v = eHEAD;
+ Put(HttpReqTypes, HKEY("HEAD"), v, NULL);
+
+ v = malloc(sizeof(long));
+ *v = eMOVE;
+ Put(HttpReqTypes, HKEY("MOVE"), v, NULL);
+
+ v = malloc(sizeof(long));
+ *v = eCOPY;
+ Put(HttpReqTypes, HKEY("COPY"), v, NULL);
+}
+
+void
+ServerShutdownModule_CONTEXT
+(void)
+{
+ DeleteHash(&HttpReqTypes);
+ DeleteHash(&HttpHeaderHandler);
+}
+
+void RegisterHeaderHandler(const char *Name, long Len, Header_Evaluator F)
+{
+ OneHttpHeader *pHdr;
+ pHdr = (OneHttpHeader*) malloc(sizeof(OneHttpHeader));
+ memset(pHdr, 0, sizeof(OneHttpHeader));
+ pHdr->H = F;
+ Put(HttpHeaderHandler, Name, Len, pHdr, DestroyHttpHeaderHandler);
+}
+extern void blank_page(void); ///TODO: remove me
+void
+InitModule_CONTEXT
+(void)
+{
+ RegisterHeaderHandler(HKEY("COOKIE"), Header_HandleCookie);
+ RegisterHeaderHandler(HKEY("AUTHORIZATION"), Header_HandleAuth);
+ RegisterHeaderHandler(HKEY("CONTENT-LENGTH"), Header_HandleContentLength);
+ RegisterHeaderHandler(HKEY("CONTENT-TYPE"), Header_HandleContentType);
+ RegisterHeaderHandler(HKEY("USER-AGENT"), Header_HandleUserAgent);
+ RegisterHeaderHandler(HKEY("X-FORWARDED-HOST"), Header_HandleXFFHost);
+ RegisterHeaderHandler(HKEY("HOST"), Header_HandleHost);
+ RegisterHeaderHandler(HKEY("X-FORWARDED-FOR"), Header_HandleXFF);
+ RegisterHeaderHandler(HKEY("ACCEPT-ENCODING"), Header_HandleAcceptEncoding);
+ RegisterHeaderHandler(HKEY("IF-MODIFIED-SINCE"), Header_HandleIfModSince);
+
+ RegisterNamespace("CURRENT_USER", 0, 1, tmplput_current_user, CTX_NONE);
+ RegisterNamespace("CURRENT_ROOM", 0, 1, tmplput_current_room, CTX_NONE);
+ RegisterNamespace("NONCE", 0, 0, tmplput_nonce, 0);
+
+
+
+ WebcitAddUrlHandler(HKEY("blank"), blank_page, ANONYMOUS|BOGUS);
+
+ WebcitAddUrlHandler(HKEY("blank"), blank_page, URLNAMESPACE);
}
+//FreeStrBuf(&WCC->this_page);
+
projects / citadel.git / blobdiff