#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;
+wcsession *SessionList = NULL; /**< our sessions ????*/
-pthread_key_t MyConKey; /* TSD key for MySession() */
+pthread_key_t MyConKey; /**< TSD key for MySession() */
+HashList *HttpReqTypes = NULL;
+HashList *HttpHeaderHandler = NULL;
+extern HashList *HandlerHash;
+void DestroyHttpHeaderHandler(void *V)
+{
+ OneHttpHeader *pHdr;
+ pHdr = (OneHttpHeader*) V;
+ FreeStrBuf(&pHdr->Val);
+ free(pHdr);
+}
-void free_attachments(struct wcsession *sess) {
- struct wc_attachment *att;
-
- 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;
- struct wcsession *sessions_to_kill = NULL;
+ wcsession *sptr, *ss;
+ wcsession *sessions_to_kill = NULL;
int num_sessions = 0;
static int num_threads = MIN_WORKER_THREADS;
- /*
+ /**
* Lock the session list, moving any candidates for euthanasia into
* a separate list.
*/
for (sptr = SessionList; sptr != NULL; sptr = sptr->next) {
++num_sessions;
- /* Kill idle sessions */
+ /** Kill idle sessions */
if ((time(NULL) - (sptr->lastreq)) >
(time_t) WEBCIT_TIMEOUT) {
sptr->killthis = 1;
}
- /* Remove sessions flagged for kill */
+ /** Remove sessions flagged for kill */
if (sptr->killthis) {
- /* remove session from linked list */
+ /** remove session from linked list */
if (sptr == SessionList) {
SessionList = SessionList->next;
}
}
pthread_mutex_unlock(&SessionListMutex);
- /*
+ /**
* 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);
- close(sessions_to_kill->serv_sock);
- close(sessions_to_kill->chat_sock);
- if (sessions_to_kill->preferences != NULL) {
- free(sessions_to_kill->preferences);
- }
- free_attachments(sessions_to_kill);
pthread_mutex_unlock(&sessions_to_kill->SessionMutex);
sptr = sessions_to_kill->next;
- free(sessions_to_kill);
+
+ session_destroy_modules(&sessions_to_kill);
sessions_to_kill = sptr;
--num_sessions;
}
- /*
+ /**
* If there are more sessions than threads, then we should spawn
* more threads ... up to a predefined maximum.
*/
}
-/*
+/*
* 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_getln(sock, buf, SIZ);
- if (a<1) return(-1);
- } else {
- safestrncpy(buf, hold, SIZ);
- }
- 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
+
+/**
+ * \brief Detects a 'mobile' user agent
*/
+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;
+}
-int lingering_close(int fd)
+/* If it's a "force 404" situation then display the error and bail. */
+void do_404(void)
{
- char buf[SIZ];
- int i;
- fd_set set;
- struct timeval tv, start;
+ hprintf("HTTP/1.1 404 Not found\r\n");
+ hprintf("Content-Type: text/plain\r\n");
+ wprintf("Not found\r\n");
+ end_burst();
+}
- gettimeofday(&start, NULL);
- shutdown(fd, 1);
+int ReadHttpSubject(ParsedHttpHdrs *Hdr, StrBuf *Line, StrBuf *Buf)
+{
+ const char *Args;
+ void *vLine, *vHandler;
+ const char *Pos = NULL;
+
+
+ Hdr->HR.ReqLine = Line;
+ /* The requesttype... GET, POST... */
+ StrBufExtract_token(Buf, Hdr->HR.ReqLine, 0, ' ');
+ if (GetHash(HttpReqTypes, SKEY(Buf), &vLine) &&
+ (vLine != NULL))
+ {
+ Hdr->HR.eReqType = *(long*)vLine;
+ }
+ else {
+ Hdr->HR.eReqType = eGET;
+ return 1;
+ }
+ StrBufCutLeft(Hdr->HR.ReqLine, StrLength(Buf) + 1);
+
+ /* the HTTP Version... */
+ StrBufExtract_token(Buf, Hdr->HR.ReqLine, 1, ' ');
+ StrBufCutRight(Hdr->HR.ReqLine, StrLength(Buf) + 1);
+
+ if (StrLength(Buf) == 0) {
+ Hdr->HR.eReqType = eGET;
+ return 1;
+ }
+
+ Hdr->this_page = NewStrBufDup(Hdr->HR.ReqLine);
+ /* chop Filename / query arguments */
+ Args = strchr(ChrPtr(Hdr->HR.ReqLine), '?');
+ if (Args == NULL) /* whe're not that picky about params... TODO: this will spoil '&' in filenames.*/
+ Args = strchr(ChrPtr(Hdr->HR.ReqLine), '&');
+ if (Args != NULL) {
+ Args ++; /* skip the ? */
+ Hdr->PlainArgs = NewStrBufPlain(
+ Args,
+ StrLength(Hdr->HR.ReqLine) -
+ (Args - ChrPtr(Hdr->HR.ReqLine)));
+ StrBufCutAt(Hdr->HR.ReqLine, 0, Args - 1);
+ } /* 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->HR.ReqLine, &Pos, '/');
do {
- do {
- gettimeofday(&tv, NULL);
- tv.tv_sec = SLEEPING - (tv.tv_sec - start.tv_sec);
- tv.tv_usec = start.tv_usec - tv.tv_usec;
- if (tv.tv_usec < 0) {
- tv.tv_sec--;
- tv.tv_usec += 1000000;
- }
- FD_ZERO(&set);
- FD_SET(fd, &set);
- i = select(fd + 1, &set, NULL, NULL, &tv);
- } while (i == -1 && errno == EINTR);
+ StrBufExtract_NextToken(Buf, Hdr->HR.ReqLine, &Pos, '/');
- if (i <= 0)
+ GetHash(HandlerHash, SKEY(Buf), &vHandler),
+ Hdr->HR.Handler = (WebcitHandler*) vHandler;
+ if (Hdr->HR.Handler == NULL)
break;
+ /*
+ * 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 ((Hdr->HR.Handler->Flags & URLNAMESPACE) != 0)
+ continue;
+ break;
+ } while (1);
+ /* remove the handlername from the URL */
+ if (Pos != NULL) {
+ StrBufCutLeft(Hdr->HR.ReqLine,
+ Pos - ChrPtr(Hdr->HR.ReqLine));
+ }
- i = read(fd, buf, sizeof buf);
- } while (i != 0 && (i != -1 || errno == EINTR));
+ if (Hdr->HR.Handler != NULL) {
+ if ((Hdr->HR.Handler->Flags & BOGUS) != 0)
+ return 1;
+ Hdr->HR.DontNeedAuth = (Hdr->HR.Handler->Flags & ISSTATIC) != 0;
+ }
- return close(fd);
+ 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);}*/
/*
- * 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.
+ * Read in the request
*/
-int is_bogus(char *http_cmd) {
+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 (!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);
+ if (ClientGetLine(Hdr, Line) < 0) return 1;
- return(0); /* probably ok */
+ if (StrLength(Line) == 0) {
+ FreeStrBuf(&Line);
+ continue;
+ }
+ if (nLine == 1) {
+ pHdr = (OneHttpHeader*) malloc(sizeof(OneHttpHeader));
+ memset(pHdr, 0, sizeof(OneHttpHeader));
+ pHdr->Val = Line;
+ Put(Hdr->HTTPHeaders, HKEY("GET /"), pHdr, DestroyHttpHeaderHandler);
+ lprintf(9, "%s\n", ChrPtr(Line));
+ 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(ParsedHttpHdrs *Hdr)
{
- struct httprequest *req = NULL;
- struct httprequest *last = NULL;
- struct httprequest *hptr;
- char buf[SIZ], hold[SIZ];
- int desired_session = 0;
- int got_cookie = 0;
- int gzip_ok = 0;
- struct wcsession *TheSession, *sptr;
- char httpauth_string[SIZ];
- char httpauth_user[SIZ];
- char httpauth_pass[SIZ];
-
- strcpy(httpauth_string, "");
- strcpy(httpauth_user, DEFAULT_HTTPAUTH_USER);
- strcpy(httpauth_pass, DEFAULT_HTTPAUTH_PASS);
+ int isbogus = 0;
+ wcsession *TheSession, *sptr;
+ struct timeval tx_start;
+ struct timeval tx_finish;
+
+ gettimeofday(&tx_start, NULL); /* start a stopwatch for performance timing */
/*
* 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;
-
- /*
- * Can we compress?
- */
- if (!strncasecmp(buf, "Accept-encoding:", 16)) {
- if (strstr(&buf[16], "gzip")) {
- gzip_ok = 1;
- }
- }
-
- /*
- * Browser-based sessions use cookies for session authentication
- */
- if (!strncasecmp(buf, "Cookie: webcit=", 15)) {
- cookie_to_stuff(&buf[15], &desired_session,
- NULL, 0, NULL, 0, NULL, 0);
- got_cookie = 1;
- }
-
- /*
- * GroupDAV-based sessions use HTTP authentication
- */
- if (!strncasecmp(buf, "Authorization: Basic ", 21)) {
- CtdlDecodeBase64(httpauth_string, &buf[21], strlen(&buf[21]));
- extract_token(httpauth_user, httpauth_string, 0, ':', sizeof httpauth_user);
- extract_token(httpauth_pass, httpauth_string, 1, ':', sizeof httpauth_pass);
- }
-
- if (!strncasecmp(buf, "If-Modified-Since: ", 19)) {
- if_modified_since = httpdate_to_timestamp(&buf[19]);
- }
-
- /*
- * Read in the request
- */
- hptr = (struct httprequest *)
- malloc(sizeof(struct httprequest));
- if (req == NULL)
- req = hptr;
- else
- last->next = hptr;
- hptr->next = NULL;
- last = hptr;
-
- safestrncpy(hptr->line, buf, sizeof hptr->line);
-
- } while (strlen(buf) > 0);
+ isbogus = ReadHTTPRequset(Hdr);
+
+ if (!isbogus)
+ isbogus = AnalyseHeaders(Hdr);
+
+ if ((isbogus) ||
+ ((Hdr->HR.Handler != NULL) &&
+ ((Hdr->HR.Handler->Flags & BOGUS) != 0)))
+ {
+ wcsession *Bogus;
+ Bogus = (wcsession *)
+ malloc(sizeof(wcsession));
+ memset(Bogus, 0, sizeof(wcsession));
+ pthread_setspecific(MyConKey, (void *)Bogus);
+ Bogus->Hdr = Hdr;
+ session_new_modules(Bogus);
+ do_404();
+ session_detach_modules(Bogus);
+ http_destroy_modules(Hdr);
+ session_destroy_modules(&Bogus);
+ return;
+ }
- safestrncpy(buf, req->line, sizeof buf);
- lprintf(5, "HTTP: %s\n", buf);
+ if ((Hdr->HR.Handler != NULL) &&
+ ((Hdr->HR.Handler->Flags & ISSTATIC) != 0))
+ {
+ wcsession *Static;
+
+ Static = (wcsession *)
+ malloc(sizeof(wcsession));
+ memset(Static, 0, sizeof(wcsession));
+ pthread_setspecific(MyConKey, (void *)Static);
+ Static->Hdr = Hdr;
+ Static->serv_sock = (-1);
+ Static->chat_sock = (-1);
+ Static->is_mobile = -1;
+ session_new_modules(Static);
+
+ Hdr->HR.Handler->F();
- /* Check for bogus requests */
- if (is_bogus(buf)) goto bail;
+ /* How long did this transaction take? */
+ gettimeofday(&tx_finish, NULL);
+
+ lprintf(9, "SL: Transaction [%s] completed in %ld.%06ld seconds.\n",
+ ChrPtr(Hdr->this_page),
+ ((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
+ );
+
+ session_detach_modules(Static);
+ http_destroy_modules(Hdr);
+ session_destroy_modules(&Static);
+ return;
+ }
- /*
- * 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.
- */
- remove_token(buf, 0, ' ');
- if (buf[1]==' ') buf[1]=0;
+ if (Hdr->HR.got_auth == AUTH_BASIC)
+ CheckAuthBasic(Hdr);
- /*
- * While we're at it, gracefully handle requests for the
- * robots.txt and favicon.ico files.
- */
- if (!strncasecmp(buf, "/robots.txt", 11)) {
- strcpy(req->line, "GET /static/robots.txt"
- "?force_close_session=yes HTTP/1.1");
- }
- else if (!strncasecmp(buf, "/favicon.ico", 12)) {
- strcpy(req->line, "GET /static/favicon.ico");
+/*
+TODO HKEY("/static/nocookies.html?force_close_session=yes"));
+*/
+
+/* dbg_PrintHash(HTTPHeaders, nix, NULL); */
+
+
+ /* 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 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))
- && (strncasecmp(buf, "/do_logout", 10))
- && (strncasecmp(buf, "/groupdav", 9))
- && (strncasecmp(buf, "/rss", 4))
- && (got_cookie == 0)) {
- strcpy(req->line, "GET /static/nocookies.html"
- "?force_close_session=yes HTTP/1.1");
- }
+*/
- /*
+ /**
* See if there's an existing session open with the desired ID or user/pass
*/
TheSession = NULL;
if (TheSession == NULL) {
pthread_mutex_lock(&SessionListMutex);
- for (sptr = SessionList; sptr != NULL; sptr = sptr->next) {
-
- /* If HTTP-AUTH, look for a session with matching credentials */
- if ( (strlen(httpauth_user) > 0)
- &&(!strcasecmp(sptr->httpauth_user, httpauth_user))
- &&(!strcasecmp(sptr->httpauth_pass, httpauth_pass)) ) {
- TheSession = sptr;
+ for (sptr = SessionList;
+ ((sptr != NULL) && (TheSession == NULL));
+ sptr = sptr->next) {
+
+ /** If HTTP-AUTH, look for a session with matching credentials */
+ switch (Hdr->HR.got_auth)
+ {
+ case AUTH_BASIC:
+ if ( (Hdr->HR.SessionKey != sptr->SessionKey))
+ continue;
+ GetAuthBasic(Hdr);
+ if ((!strcasecmp(ChrPtr(Hdr->c_username), ChrPtr(sptr->wc_username))) &&
+ (!strcasecmp(ChrPtr(Hdr->c_password), ChrPtr(sptr->wc_password))) )
+ TheSession = sptr;
+ break;
+ case AUTH_COOKIE:
+ /** If cookie-session, look for a session with matching session ID */
+ if ( (Hdr->HR.desired_session != 0) &&
+ (sptr->wc_session == Hdr->HR.desired_session))
+ TheSession = sptr;
+ break;
+ case NO_AUTH:
+ break;
}
-
- /* If cookie-session, look for a session with matching session ID */
- if ( (desired_session != 0) && (sptr->wc_session == 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->SessionKey = Hdr->HR.SessionKey;
TheSession->serv_sock = (-1);
TheSession->chat_sock = (-1);
- TheSession->wc_session = GenerateSessionID();
- strcpy(TheSession->httpauth_user, httpauth_user);
- strcpy(TheSession->httpauth_pass, httpauth_pass);
- 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->HR.desired_session == 0) {
+ TheSession->wc_session = GenerateSessionID();
+ }
+ else {
+ TheSession->wc_session = Hdr->HR.desired_session;
+ }
+
+ 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);
+
+ if (StrLength(Hdr->c_language) > 0) {
+ lprintf(9, "Session cookie requests language '%s'\n", ChrPtr(Hdr->c_language));
+ set_selected_language(ChrPtr(Hdr->c_language));
+ go_selected_language();
+ }
}
/*
*/
pthread_mutex_lock(&TheSession->SessionMutex); /* bind */
pthread_setspecific(MyConKey, (void *)TheSession);
- TheSession->http_sock = sock;
+
TheSession->lastreq = time(NULL); /* log */
- TheSession->gzip_ok = gzip_ok;
- session_loop(req); /* do transaction */
+ TheSession->Hdr = Hdr;
+
+ session_attach_modules(TheSession);
+ session_loop(); /* do transaction */
+
+
+ /* How long did this transaction take? */
+ gettimeofday(&tx_finish, NULL);
+
+ lprintf(9, "Transaction [%s] completed in %ld.%06ld seconds.\n",
+ ChrPtr(Hdr->this_page),
+ ((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
+ );
+
+ session_detach_modules(TheSession);
+
+ TheSession->Hdr = NULL;
pthread_mutex_unlock(&TheSession->SessionMutex); /* unbind */
- /* Free the request buffer */
-bail: while (req != NULL) {
- hptr = req->next;
- free(req);
- req = hptr;
+ http_destroy_modules(Hdr);
+}
+
+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_HandleContentLength(StrBuf *Line, ParsedHttpHdrs *hdr)
+{
+ hdr->HR.ContentLength = StrToi(Line);
+}
+
+void Header_HandleContentType(StrBuf *Line, ParsedHttpHdrs *hdr)
+{
+ hdr->HR.ContentType = Line;
+}
+
+void Header_HandleUserAgent(StrBuf *Line, ParsedHttpHdrs *hdr)
+{
+ hdr->HR.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->HR.http_host != NULL))
+ return;
+ else
+ hdr->HR.http_host = Line;
+}
+
+void Header_HandleXFFHost(StrBuf *Line, ParsedHttpHdrs *hdr)
+{
+ if (follow_xff)
+ hdr->HR.http_host = Line;
+}
+
+
+void Header_HandleXFF(StrBuf *Line, ParsedHttpHdrs *hdr)
+{
+ hdr->HR.browser_host = Line;
+
+ while (StrBufNum_tokens(hdr->HR.browser_host, ',') > 1) {
+ StrBufRemove_token(hdr->HR.browser_host, 0, ',');
}
+ StrBufTrim(hdr->HR.browser_host);
+}
+
+void Header_HandleIfModSince(StrBuf *Line, ParsedHttpHdrs *hdr)
+{
+ hdr->HR.if_modified_since = httpdate_to_timestamp(Line);
+}
- /* Free up any session-local substitution variables which
- * were set during this transaction
+void Header_HandleAcceptEncoding(StrBuf *Line, ParsedHttpHdrs *hdr)
+{
+ /*
+ * Can we compress?
*/
- clear_local_substs();
+ if (strstr(&ChrPtr(Line)[16], "gzip")) {
+ hdr->HR.gzip_ok = 1;
+ }
+}
+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);
+}
+
+
+void
+InitModule_CONTEXT
+(void)
+{
+ 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("404"), do_404, ANONYMOUS|COOKIEUNNEEDED);
+/*
+ * 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.
+ */
+ WebcitAddUrlHandler(HKEY("scripts"), do_404, ANONYMOUS|BOGUS); /* /root.exe /* Worms and trojans and viruses, oh my! */
+ WebcitAddUrlHandler(HKEY("c"), do_404, ANONYMOUS|BOGUS); /* /winnt */
+ WebcitAddUrlHandler(HKEY("MSADC"), do_404, ANONYMOUS|BOGUS);
+ WebcitAddUrlHandler(HKEY("_vti"), do_404, ANONYMOUS|BOGUS); /* Broken Microsoft DAV implementation */
+ WebcitAddUrlHandler(HKEY("MSOffice"), do_404, ANONYMOUS|BOGUS); /* Stoopid MSOffice thinks everyone is IIS */
+ WebcitAddUrlHandler(HKEY("nonexistenshit"), do_404, ANONYMOUS|BOGUS); /* Exploit found in the wild January 2009 */
+}
+
+
+
+void
+HttpDestroyModule_CONTEXT
+(ParsedHttpHdrs *httpreq)
+{
+ FreeStrBuf(&httpreq->ReadBuf);
+ FreeStrBuf(&httpreq->PlainArgs);
+ FreeStrBuf(&httpreq->this_page);
+ DeleteHash(&httpreq->HTTPHeaders);
+
}
projects / citadel.git / blobdiff