#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
-#include <stdarg.h>
#include <fcntl.h>
#include <signal.h>
#include <pwd.h>
#include <string.h>
#include <limits.h>
#include <ctype.h>
-#define SHOW_ME_VAPPEND_PRINTF
#include <libcitadel.h>
#include <expat.h>
#include "citadel.h"
#define HAVE_XML_STOPPARSER
#endif
-HashList *XMPP_StartHandlers = NULL;
-HashList *XMPP_EndHandlers = NULL;
-HashList *XMPP_SupportedNamespaces = NULL;
-HashList *XMPP_NameSpaces = NULL;
-HashList *FlatToken = NULL;
+struct xmpp_event *xmpp_queue = NULL;
int XMPPSrvDebugEnable = 0;
-void XUnbuffer(void)
-{
- citxmpp *Xmpp = XMPP;
- cputbuf(Xmpp->OutBuf);
- FlushStrBuf(Xmpp->OutBuf);
-}
-void XPutBody(const char *Str, long Len)
-{
- StrBufXMLEscAppend(XMPP->OutBuf, NULL, Str, Len, 0);
+#ifdef HAVE_XML_STOPPARSER
+/* Stop the parser if an entity declaration is hit. */
+static void xmpp_entity_declaration(void *userData, const XML_Char *entityName,
+ int is_parameter_entity, const XML_Char *value,
+ int value_length, const XML_Char *base,
+ const XML_Char *systemId, const XML_Char *publicId,
+ const XML_Char *notationName
+) {
+ XMPPM_syslog(LOG_WARNING, "Illegal entity declaration encountered; stopping parser.");
+ XML_StopParser(XMPP->xp, XML_FALSE);
}
+#endif
-void XPutProp(const char *Str, long Len)
+static inline int XMPP_GetUtf8SequenceLength(const char *CharS, const char *CharE)
{
- StrEscAppend(XMPP->OutBuf, NULL, Str, 0, 1);
-}
+ /* if this is is migrated to strbuf, remove this copy. */
+ int n = 0;
+ unsigned char test = (1<<7);
-void XPut(const char *Str, long Len)
-{
- StrBufAppendBufPlain(XMPP->OutBuf, Str, Len, 0);
-}
+ if ((*CharS & 0xC0) != 0xC0)
+ return 1;
-void XPrintf(const char *Format, ...)
-{
- va_list arg_ptr;
- va_start(arg_ptr, Format);
- StrBufVAppendPrintf(XMPP->OutBuf, Format, arg_ptr);
- va_end(arg_ptr);
+ while ((n < 8) &&
+ ((test & ((unsigned char)*CharS)) != 0))
+ {
+ test = test >> 1;
+ n ++;
+ }
+ if ((n > 6) || ((CharE - CharS) < n))
+ n = 0;
+ return n;
}
-void XPrint(const char *Token, long tlen,
- int Flags,
- ...)
+/*
+ * Given a source string and a target buffer, returns the string
+ * properly escaped for insertion into an XML stream. Returns a
+ * pointer to the target buffer for convenience.
+ *
+ * BUG: this does not properly handle UTF-8
+ */
+char *xmlesc(char *buf, char *str, int bufsiz)
+{
+ char *ptr;
+ char *eiptr;
+ unsigned char ch;
+ int inlen;
+ int len = 0;
+ int IsUtf8Sequence;
+
+ if (!buf) return(NULL);
+ buf[0] = 0;
+ len = 0;
+ if (!str) {
+ return(buf);
+ }
+
+ inlen = strlen(str);
+ eiptr = str + inlen;
+
+ for (ptr=str; *ptr; ptr++) {
+ ch = *ptr;
+ if (ch == '<') {
+ strcpy(&buf[len], "<");
+ len += 4;
+ }
+ else if (ch == '>') {
+ strcpy(&buf[len], ">");
+ len += 4;
+ }
+ else if (ch == '&') {
+ strcpy(&buf[len], "&");
+ len += 5;
+ }
+ else if ((ch >= 0x20) && (ch <= 0x7F)) {
+ buf[len++] = ch;
+ buf[len] = 0;
+ }
+ else if (ch < 0x20) {
+ /* we probably shouldn't be doing this */
+ buf[len++] = '_';
+ buf[len] = 0;
+ }
+ else {
+ char oct[32];
-{
- int BodySeen = 0;
- int ArgType;
- int Finished = 0;
- char *PName;
- long PLen;
- char *Val;
- long VLen;
- va_list arg_ptr;
-
- XPUT("<");
- XPut(Token, tlen);
-
- va_start(arg_ptr, Flags);
- while (!Finished)
- {
- ArgType = va_arg(arg_ptr, int);
- switch (ArgType)
- {
- case TYPE_STR:
- PName = va_arg(arg_ptr, char*);
- PLen = va_arg(arg_ptr, long);
- Val = va_arg(arg_ptr, char*);
- VLen = va_arg(arg_ptr, long);
- XPUT(" ");
- XPut(PName, PLen);
- XPUT("=\"");
- XPutProp(Val, VLen);
- XPUT("\"");
- break;
- case TYPE_OPTSTR:
- PName = va_arg(arg_ptr, char*);
- PLen = va_arg(arg_ptr, long);
- Val = va_arg(arg_ptr, char*);
- VLen = va_arg(arg_ptr, long);
- if (VLen > 0)
+ IsUtf8Sequence = XMPP_GetUtf8SequenceLength(&buf[len], eiptr);
+ if (IsUtf8Sequence)
{
- XPUT(" ");
- XPut(PName, PLen);
- XPUT("=\"");
- XPutProp(Val, VLen);
- XPUT("\"");
+ while (IsUtf8Sequence > 0){
+ buf[len] = *ptr;
+ len ++;
+ if (--IsUtf8Sequence)
+ ptr++;
+ }
+ buf[len] = '\0';
+ }
+ else
+ {
+ sprintf(oct, "&#%o;", ch);
+ strcpy(&buf[len], oct);
+ len += strlen(oct);
}
- break;
- case TYPE_INT:
- PName = va_arg(arg_ptr, char*);
- PLen = va_arg(arg_ptr, long);
- VLen = va_arg(arg_ptr, long);
- XPUT(" ");
- XPut(PName, PLen);
- XPUT("=\"");
- XPrintf("%ld", VLen);
- XPUT("\"");
- break;
- case TYPE_BODYSTR:
- BodySeen = 1;
- XPUT(">");
- Val = va_arg(arg_ptr, char*);
- VLen = va_arg(arg_ptr, long);
- XPutBody(Val, VLen);
- break;
- case TYPE_ARGEND:
- Finished = 1;
- break;
- }
- }
- if (Flags == XCLOSED)
- {
- if (BodySeen)
- {
- XPUT("</");
- XPut(Token, tlen);
- XPUT(">");
}
- else
- {
- XPUT("></");
- XPut(Token, tlen);
- XPUT(">");
+ if ((len + 6) > bufsiz) {
+ return(buf);
}
}
- else
- XPUT(">");
- va_end(arg_ptr);
+ return(buf);
}
-#ifdef HAVE_XML_STOPPARSER
-/* Stop the parser if an entity declaration is hit. */
-static void xmpp_entity_declaration(void *userData, const XML_Char *entityName,
- int is_parameter_entity, const XML_Char *value,
- int value_length, const XML_Char *base,
- const XML_Char *systemId, const XML_Char *publicId,
- const XML_Char *notationName
-) {
- XMPPM_syslog(LOG_WARNING, "Illegal entity declaration encountered; stopping parser.");
- XML_StopParser(XMPP->xp, XML_FALSE);
-}
-#endif
/*
* We have just received a <stream> tag from the client, so send them ours
*/
void xmpp_stream_start(void *data, const char *supplied_el, const char **attr)
{
- citxmpp *Xmpp = XMPP;
+ char xmlbuf[256];
while (*attr) {
if (!strcasecmp(attr[0], "to")) {
- safestrncpy(Xmpp->server_name, attr[1], sizeof Xmpp->server_name);
+ safestrncpy(XMPP->server_name, attr[1], sizeof XMPP->server_name);
}
attr += 2;
}
- XPUT("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
+ cprintf("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
+
+ cprintf("<stream:stream ");
+ cprintf("from=\"%s\" ", xmlesc(xmlbuf, XMPP->server_name, sizeof xmlbuf));
+ cprintf("id=\"%08x\" ", CC->cs_pid);
+ cprintf("version=\"1.0\" ");
+ cprintf("xmlns:stream=\"http://etherx.jabber.org/streams\" ");
+ cprintf("xmlns=\"jabber:client\">");
- XPUT("<stream:stream ");
- XPUT("from=\"");
- XPutProp(Xmpp->server_name, strlen(Xmpp->server_name));
- XPUT("\" id=\"");
- XPrintf("%08x\" ", CC->cs_pid);
- XPUT("version=\"1.0\" "
- "xmlns:stream=\"http://etherx.jabber.org/streams\" "
- "xmlns=\"jabber:client\">"
/* The features of this stream are... */
- "<stream:features>");
+ cprintf("<stream:features>");
/*
* TLS encryption (but only if it isn't already active)
- */
-
+ * /
#ifdef HAVE_OPENSSL
if (!CC->redirect_ssl) {
- XPUT("<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'></starttls>");
+ cprintf("<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'></starttls>");
}
#endif
- //*/
+ */
if (!CC->logged_in) {
/* If we're not logged in yet, offer SASL as our feature set */
xmpp_output_auth_mechs();
/* Also offer non-SASL authentication */
-
XPUT("<auth xmlns=\"http://jabber.org/features/iq-auth\"/>");
+
cprintf("<auth xmlns=\"http://jabber.org/features/iq-auth\"/>");
}
/* Offer binding and sessions as part of our feature set */
- XPUT("<bind xmlns=\"urn:ietf:params:xml:ns:xmpp-bind\"/>"
- "<session xmlns=\"urn:ietf:params:xml:ns:xmpp-session\"/>"
- "</stream:features>");
+ cprintf("<bind xmlns=\"urn:ietf:params:xml:ns:xmpp-bind\"/>");
+ cprintf("<session xmlns=\"urn:ietf:params:xml:ns:xmpp-session\"/>");
- CC->is_async = 1; /* XMPP sessions are inherently async-capable */
-}
+ cprintf("</stream:features>");
-void xmpp_start_query(void *data, const char *supplied_el, const char **attr)
-{
- XMPP->iq_query_xmlns[0] = 0;
- safestrncpy(XMPP->iq_query_xmlns, supplied_el, sizeof XMPP->iq_query_xmlns);
+ CC->is_async = 1; /* XMPP sessions are inherently async-capable */
}
-void xmpp_start_bind(void *data, const char *supplied_el, const char **attr)
-{
- XMPP->bind_requested = 1;
-}
-void xmpp_start_auth(void *data, const char *supplied_el, const char **attr)
-{
+void xmpp_xml_start(void *data, const char *supplied_el, const char **attr) {
+ char el[256];
+ char *sep = NULL;
int i;
- XMPP->sasl_auth_mech[0] = 0;
- for (i=0; attr[i] != NULL; i+=2) {
- if (!strcasecmp(attr[i], "mechanism")) {
- safestrncpy(XMPP->sasl_auth_mech, attr[i+1], sizeof XMPP->sasl_auth_mech);
- }
+ /* Axe the namespace, we don't care about it */
+ safestrncpy(el, supplied_el, sizeof el);
+ while (sep = strchr(el, ':'), sep) {
+ strcpy(el, ++sep);
}
-}
-/*
-void xmpp_start_message(void *data, const char *supplied_el, const char **attr)
-{
- int i;
+ /*
+ XMPP_syslog(LOG_DEBUG, "XMPP ELEMENT START: <%s>\n", el);
for (i=0; attr[i] != NULL; i+=2) {
- if (!strcasecmp(attr[i], "to")) {
- safestrncpy(XMPP->message_to, attr[i+1], sizeof XMPP->message_to);
- }
+ XMPP_syslog(LOG_DEBUG, " Attribute '%s' = '%s'\n", attr[i], attr[i+1]);
}
-}
-*/
-void xmpp_start_html(void *data, const char *supplied_el, const char **attr)
-{
- ++XMPP->html_tag_level;
-}
+ uncomment for more verbosity */
-void xmpp_xml_start(void *data, const char *supplied_el, const char **attr)
-{
- HashList *ThisNamespace = NULL;
- const char *pToken;
- const char *pch;
- const char *NS = NULL;
- long NSLen;
- long len;
- void *pv;
-
- /* Axe the namespace, we don't care about it */
- pToken = supplied_el;
- pch = strchr(pToken, ':');
- while (pch != NULL)
- {
- pToken = pch;
- pch = strchr(pToken + 1, ':');
+ if (!strcasecmp(el, "stream")) {
+ xmpp_stream_start(data, supplied_el, attr);
}
- if (*pToken == ':')
- {
- NS = supplied_el;
- NSLen = pToken - supplied_el;
- if (GetHash(XMPP_NameSpaces, NS, NSLen, &pv))
- {
- ThisNamespace = pv;
+ else if (!strcasecmp(el, "query")) {
+ XMPP->iq_query_xmlns[0] = 0;
+ safestrncpy(XMPP->iq_query_xmlns, supplied_el, sizeof XMPP->iq_query_xmlns);
+ }
+
+ else if (!strcasecmp(el, "bind")) {
+ XMPP->bind_requested = 1;
+ }
+ else if (!strcasecmp(el, "iq")) {
+ for (i=0; attr[i] != NULL; i+=2) {
+ if (!strcasecmp(attr[i], "type")) {
+ safestrncpy(XMPP->iq_type, attr[i+1], sizeof XMPP->iq_type);
+ }
+ else if (!strcasecmp(attr[i], "id")) {
+ safestrncpy(XMPP->iq_id, attr[i+1], sizeof XMPP->iq_id);
+ }
+ else if (!strcasecmp(attr[i], "from")) {
+ safestrncpy(XMPP->iq_from, attr[i+1], sizeof XMPP->iq_from);
+ }
+ else if (!strcasecmp(attr[i], "to")) {
+ safestrncpy(XMPP->iq_to, attr[i+1], sizeof XMPP->iq_to);
+ }
}
-
- pToken ++;
}
- len = strlen(pToken);
+ else if (!strcasecmp(el, "auth")) {
+ XMPP->sasl_auth_mech[0] = 0;
+ for (i=0; attr[i] != NULL; i+=2) {
+ if (!strcasecmp(attr[i], "mechanism")) {
+ safestrncpy(XMPP->sasl_auth_mech, attr[i+1], sizeof XMPP->sasl_auth_mech);
+ }
+ }
+ }
+ else if (!strcasecmp(el, "message")) {
+ for (i=0; attr[i] != NULL; i+=2) {
+ if (!strcasecmp(attr[i], "to")) {
+ safestrncpy(XMPP->message_to, attr[i+1], sizeof XMPP->message_to);
+ }
+ }
+ }
- if (ThisNamespace != NULL)
- {
- if (GetHash(ThisNamespace, pToken, len, &pv))
- {
- TokenHandler *th;
- void *value;
- long i = 0;
+ else if (!strcasecmp(el, "html")) {
+ ++XMPP->html_tag_level;
+ }
+}
- th = (TokenHandler*) pv;
- value = th->GetToken();
- while (attr[i] != NULL)
- {
- if (GetHash(th->Properties, attr[i], strlen(attr[i]), &pv))
- {
- PropertyHandler* ph = pv;
- void *val;
- StrBuf **pVal;
- long len;
-
- len = strlen(attr[i+1]);
- val = value;
- val += ph->offset;
- pVal = (StrBuf**) val;
- if (*pVal != NULL)
- StrBufPlain(*pVal, attr[i+1], len);
- else
- *pVal = NewStrBufPlain(attr[i+1], len);
- }
- i+=2;
- }
- return;
- }
+void xmpp_xml_end(void *data, const char *supplied_el) {
+ char el[256];
+ char *sep = NULL;
+ char xmlbuf[256];
+ /* Axe the namespace, we don't care about it */
+ safestrncpy(el, supplied_el, sizeof el);
+ while (sep = strchr(el, ':'), sep) {
+ strcpy(el, ++sep);
}
+
/*
- XMPP_syslog(LOG_DEBUG, "XMPP ELEMENT START: <%s>\n", el);
- for (i=0; attr[i] != NULL; i+=2) {
- XMPP_syslog(LOG_DEBUG, " Attribute '%s' = '%s'\n", attr[i], attr[i+1]);
+ XMPP_syslog(LOG_DEBUG, "XMPP ELEMENT END : <%s>\n", el);
+ if (XMPP->chardata_len > 0) {
+ XMPP_syslog(LOG_DEBUG, " chardata: %s\n", XMPP->chardata);
}
uncomment for more verbosity */
- if (GetHash(XMPP_StartHandlers, pToken, len, &pv))
- {
- xmpp_handler *h;
- h = (xmpp_handler*) pv;
- h->Handler(data, supplied_el, attr);
- }
-}
-
-void xmpp_end_resource(void *data, const char *supplied_el, const char **attr)
-{
- if (XMPP->chardata_len > 0) {
- safestrncpy(XMPP->iq_client_resource, XMPP->chardata,
- sizeof XMPP->iq_client_resource);
- striplt(XMPP->iq_client_resource);
+ if (!strcasecmp(el, "resource")) {
+ if (XMPP->chardata_len > 0) {
+ safestrncpy(XMPP->iq_client_resource, XMPP->chardata,
+ sizeof XMPP->iq_client_resource);
+ striplt(XMPP->iq_client_resource);
+ }
}
-}
-void xmpp_end_username(void *data, const char *supplied_el, const char **attr)
-{
- /* NON SASL ONLY */
- if (XMPP->chardata_len > 0) {
- safestrncpy(XMPP->iq_client_username, XMPP->chardata,
- sizeof XMPP->iq_client_username);
- striplt(XMPP->iq_client_username);
+ else if (!strcasecmp(el, "username")) { /* NON SASL ONLY */
+ if (XMPP->chardata_len > 0) {
+ safestrncpy(XMPP->iq_client_username, XMPP->chardata,
+ sizeof XMPP->iq_client_username);
+ striplt(XMPP->iq_client_username);
+ }
}
-}
-void xmpp_end_password(void *data, const char *supplied_el, const char **attr)
-{ /* NON SASL ONLY */
- if (XMPP->chardata_len > 0) {
- safestrncpy(XMPP->iq_client_password, XMPP->chardata,
- sizeof XMPP->iq_client_password);
- striplt(XMPP->iq_client_password);
+ else if (!strcasecmp(el, "password")) { /* NON SASL ONLY */
+ if (XMPP->chardata_len > 0) {
+ safestrncpy(XMPP->iq_client_password, XMPP->chardata,
+ sizeof XMPP->iq_client_password);
+ striplt(XMPP->iq_client_password);
+ }
}
-}
-void xmpp_end_iq(void *data, const char *supplied_el, const char **attr)
-{
- citxmpp *Xmpp = XMPP;
+ else if (!strcasecmp(el, "iq")) {
- /*
- * iq type="get" (handle queries)
- */
- if (!strcasecmp(ChrPtr(Xmpp->IQ.type), "get"))
- {
- /*
- * Query on a namespace
- */
- if (!IsEmptyStr(Xmpp->iq_query_xmlns)) {
- xmpp_query_namespace(&Xmpp->IQ, Xmpp->iq_query_xmlns);
- }
-
/*
- * ping ( http://xmpp.org/extensions/xep-0199.html )
+ * iq type="get" (handle queries)
*/
- else if (Xmpp->ping_requested) {
- XPUT("<iq type=\"result\" ");
- if (StrLength(Xmpp->IQ.from) > 0) {
- XPUT("to=\"");
- XPutSProp(Xmpp->IQ.from);
- XPUT("\" ");
+ if (!strcasecmp(XMPP->iq_type, "get")) {
+
+ /*
+ * Query on a namespace
+ */
+ if (!IsEmptyStr(XMPP->iq_query_xmlns)) {
+ xmpp_query_namespace(XMPP->iq_id, XMPP->iq_from,
+ XMPP->iq_to, XMPP->iq_query_xmlns);
}
- if (StrLength(Xmpp->IQ.to)>0) {
- XPUT("from=\"");
- XPutSProp(Xmpp->IQ.to);
- XPUT("\" ");
+
+ /*
+ * ping ( http://xmpp.org/extensions/xep-0199.html )
+ */
+ else if (XMPP->ping_requested) {
+ cprintf("<iq type=\"result\" ");
+ if (!IsEmptyStr(XMPP->iq_from)) {
+ cprintf("to=\"%s\" ", xmlesc(xmlbuf, XMPP->iq_from, sizeof xmlbuf));
+ }
+ if (!IsEmptyStr(XMPP->iq_to)) {
+ cprintf("from=\"%s\" ", xmlesc(xmlbuf, XMPP->iq_to, sizeof xmlbuf));
+ }
+ cprintf("id=\"%s\"/>", xmlesc(xmlbuf, XMPP->iq_id, sizeof xmlbuf));
+ }
+
+ /*
+ * Unknown query ... return the XML equivalent of a blank stare
+ */
+ else {
+ XMPP_syslog(LOG_DEBUG,
+ "Unknown query <%s> - returning <service-unavailable/>\n",
+ el
+ );
+ cprintf("<iq type=\"error\" id=\"%s\">", xmlesc(xmlbuf, XMPP->iq_id, sizeof xmlbuf));
+ cprintf("<error code=\"503\" type=\"cancel\">"
+ "<service-unavailable xmlns=\"urn:ietf:params:xml:ns:xmpp-stanzas\"/>"
+ "</error>"
+ );
+ cprintf("</iq>");
}
- XPUT("id=\"");
- XPutSProp(Xmpp->IQ.id);
- XPUT("\"/>");
}
/*
- * Unknown query ... return the XML equivalent of a blank stare
+ * Non SASL authentication
*/
+ else if (
+ (!strcasecmp(XMPP->iq_type, "set"))
+ && (!strcasecmp(XMPP->iq_query_xmlns, "jabber:iq:auth:query"))
+ ) {
+
+ xmpp_non_sasl_authenticate(
+ XMPP->iq_id,
+ XMPP->iq_client_username,
+ XMPP->iq_client_password,
+ XMPP->iq_client_resource
+ );
+ }
+
+ /*
+ * If this <iq> stanza was a "bind" attempt, process it ...
+ */
+ else if (
+ (XMPP->bind_requested)
+ && (!IsEmptyStr(XMPP->iq_id))
+ && (!IsEmptyStr(XMPP->iq_client_resource))
+ && (CC->logged_in)
+ ) {
+
+ /* Generate the "full JID" of the client resource */
+
+ snprintf(XMPP->client_jid, sizeof XMPP->client_jid,
+ "%s/%s",
+ CC->cs_inet_email,
+ XMPP->iq_client_resource
+ );
+
+ /* Tell the client what its JID is */
+
+ cprintf("<iq type=\"result\" id=\"%s\">", xmlesc(xmlbuf, XMPP->iq_id, sizeof xmlbuf));
+ cprintf("<bind xmlns=\"urn:ietf:params:xml:ns:xmpp-bind\">");
+ cprintf("<jid>%s</jid>", xmlesc(xmlbuf, XMPP->client_jid, sizeof xmlbuf));
+ cprintf("</bind>");
+ cprintf("</iq>");
+ }
+
+ else if (XMPP->iq_session) {
+ cprintf("<iq type=\"result\" id=\"%s\">", xmlesc(xmlbuf, XMPP->iq_id, sizeof xmlbuf));
+ cprintf("</iq>");
+ }
+
else {
-/*
- Xmpp_syslog(LOG_DEBUG,
- "Unknown query <%s> - returning <service-unavailable/>\n",
- el
- );
-*/
- XPUT("<iq type=\"error\" id=\"");
- XPutSProp(Xmpp->IQ.id);
- XPUT("\">"
- "<error code=\"503\" type=\"cancel\">"
- "<service-unavailable xmlns=\"urn:ietf:params:xml:ns:xmpp-stanzas\"/>"
- "</error>"
- "</iq>");
+ cprintf("<iq type=\"error\" id=\"%s\">", xmlesc(xmlbuf, XMPP->iq_id, sizeof xmlbuf));
+ cprintf("<error>Don't know howto do '%s'!</error>", xmlesc(xmlbuf, XMPP->iq_type, sizeof xmlbuf));
+ cprintf("</iq>");
}
- }
- /*
- * Non SASL authentication
- */
- else if (
- (!strcasecmp(ChrPtr(Xmpp->IQ.type), "set"))
- && (!strcasecmp(Xmpp->iq_query_xmlns, "jabber:iq:auth:query"))
- ) {
-
- xmpp_non_sasl_authenticate(
- Xmpp->IQ.id,
- Xmpp->iq_client_username,
- Xmpp->iq_client_password,
- Xmpp->iq_client_resource
- );
+ /* Now clear these fields out so they don't get used by a future stanza */
+ XMPP->iq_id[0] = 0;
+ XMPP->iq_from[0] = 0;
+ XMPP->iq_to[0] = 0;
+ XMPP->iq_type[0] = 0;
+ XMPP->iq_client_resource[0] = 0;
+ XMPP->iq_session = 0;
+ XMPP->iq_query_xmlns[0] = 0;
+ XMPP->bind_requested = 0;
+ XMPP->ping_requested = 0;
}
- /*
- * If this <iq> stanza was a "bind" attempt, process it ...
- */
- else if (
- (Xmpp->bind_requested)
- && (StrLength(Xmpp->IQ.id)>0)
- && (!IsEmptyStr(Xmpp->iq_client_resource))
- && (CC->logged_in)
- ) {
-
- /* Generate the "full JID" of the client resource */
-
- snprintf(Xmpp->client_jid, sizeof Xmpp->client_jid,
- "%s/%s",
- CC->cs_inet_email,
- Xmpp->iq_client_resource
- );
+ else if (!strcasecmp(el, "auth")) {
- /* Tell the client what its JID is */
+ /* Try to authenticate (this function is responsible for the output stanza) */
+ xmpp_sasl_auth(XMPP->sasl_auth_mech, (XMPP->chardata != NULL ? XMPP->chardata : "") );
- XPUT("<iq type=\"result\" id=\"");
- XPutSProp(Xmpp->IQ.id);
- XPUT("\">"
- "<bind xmlns=\"urn:ietf:params:xml:ns:xmpp-bind\">");
- XPUT("<jid>");
- XPutBody(Xmpp->client_jid, strlen(Xmpp->client_jid));
- XPUT("</jid>"
- "</bind>"
- "</iq>");
+ /* Now clear these fields out so they don't get used by a future stanza */
+ XMPP->sasl_auth_mech[0] = 0;
}
- else if (Xmpp->iq_session) {
- XPUT("<iq type=\"result\" id=\"");
- XPutSProp(Xmpp->IQ.id);
- XPUT("\">"
- "</iq>");
+ else if (!strcasecmp(el, "session")) {
+ XMPP->iq_session = 1;
}
- else {
- XPUT("<iq type=\"error\" id=\"");
- XPutSProp(Xmpp->IQ.id);
- XPUT("\">");
- XPUT("<error>Don't know howto do '");
- XPutBody(SKEY(Xmpp->IQ.type));
- XPUT("'!</error>"
- "</iq>");
- }
-
- /* Now clear these fields out so they don't get used by a future stanza */
- FlushStrBuf(Xmpp->IQ.id);
- FlushStrBuf(Xmpp->IQ.from);
- FlushStrBuf(Xmpp->IQ.to);
- FlushStrBuf(Xmpp->IQ.type);
- Xmpp->iq_client_resource[0] = 0;
- Xmpp->iq_session = 0;
- Xmpp->iq_query_xmlns[0] = 0;
- Xmpp->bind_requested = 0;
- Xmpp->ping_requested = 0;
-}
-
-
-void xmpp_end_auth(void *data, const char *supplied_el, const char **attr)
-{
- /* Try to authenticate (this function is responsible for the output stanza) */
- xmpp_sasl_auth(XMPP->sasl_auth_mech, (XMPP->chardata != NULL ? XMPP->chardata : "") );
-
- /* Now clear these fields out so they don't get used by a future stanza */
- XMPP->sasl_auth_mech[0] = 0;
-}
+ else if (!strcasecmp(el, "presence")) {
-void xmpp_end_session(void *data, const char *supplied_el, const char **attr)
-{
- XMPP->iq_session = 1;
-}
+ /* Respond to a <presence> update by firing back with presence information
+ * on the entire wholist. Check this assumption, it's probably wrong.
+ */
+ xmpp_wholist_presence_dump();
+ }
-void xmpp_end_body(void *data, const char *supplied_el, const char **attr)
-{
- if (XMPP->html_tag_level == 0)
- {
- if (XMPP->message_body != NULL)
- {
+ else if ( (!strcasecmp(el, "body")) && (XMPP->html_tag_level == 0) ) {
+ if (XMPP->message_body != NULL) {
free(XMPP->message_body);
XMPP->message_body = NULL;
}
XMPP->message_body = strdup(XMPP->chardata);
}
}
-}
-void xmpp_end_html(void *data, const char *supplied_el, const char **attr)
-{
- --XMPP->html_tag_level;
-}
+ else if (!strcasecmp(el, "message")) {
+ xmpp_send_message(XMPP->message_to, XMPP->message_body);
+ XMPP->html_tag_level = 0;
+ }
-void xmpp_end_starttls(void *data, const char *supplied_el, const char **attr)
-{
+ else if (!strcasecmp(el, "html")) {
+ --XMPP->html_tag_level;
+ }
+
+ else if (!strcasecmp(el, "starttls")) {
#ifdef HAVE_OPENSSL
- XPUT("<proceed xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
- XUnbuffer();
- CtdlModuleStartCryptoMsgs(NULL, NULL, NULL);
- if (!CC->redirect_ssl) CC->kill_me = KILLME_NO_CRYPTO;
+ cprintf("<proceed xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
+ CtdlModuleStartCryptoMsgs(NULL, NULL, NULL);
+ if (!CC->redirect_ssl) CC->kill_me = KILLME_NO_CRYPTO;
#else
- XPUT("<failure xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
- CC->kill_me = KILLME_NO_CRYPTO;
+ cprintf("<failure xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
+ CC->kill_me = KILLME_NO_CRYPTO;
#endif
-}
-
-void xmpp_end_ping(void *data, const char *supplied_el, const char **attr)
-{
- XMPP->ping_requested = 1;
-}
-
-void xmpp_end_stream(void *data, const char *supplied_el, const char **attr)
-{
- XMPPM_syslog(LOG_DEBUG, "XMPP client shut down their stream\n");
- xmpp_massacre_roster();
- XPUT("</stream>\n");
- CC->kill_me = KILLME_CLIENT_LOGGED_OUT;
-}
-
-void xmpp_xml_end(void *data, const char *supplied_el)
-{
- const char *pToken;
- const char *pch;
- long len;
- void *pv;
-
- /* Axe the namespace, we don't care about it */
- pToken = supplied_el;
- pch = strchr(pToken, ':');
- while (pch != NULL)
- {
- pToken = pch;
- pch = strchr(pToken + 1, ':');
}
- if (*pToken == ':')
- pToken ++;
-
- len = strlen(pToken);
-
- /*
- XMPP_syslog(LOG_DEBUG, "XMPP ELEMENT END : <%s>\n", el);
- if (XMPP->chardata_len > 0) {
- XMPP_syslog(LOG_DEBUG, " chardata: %s\n", XMPP->chardata);
+ else if (!strcasecmp(el, "ping")) {
+ XMPP->ping_requested = 1;
}
- uncomment for more verbosity */
- if (GetHash(XMPP_EndHandlers, pToken, len, &pv))
- {
- xmpp_handler *h;
- h = (xmpp_handler*) pv;
- h->Handler(data, supplied_el, NULL);
+ else if (!strcasecmp(el, "stream")) {
+ XMPPM_syslog(LOG_DEBUG, "XMPP client shut down their stream\n");
+ xmpp_massacre_roster();
+ cprintf("</stream>\n");
+ CC->kill_me = KILLME_CLIENT_LOGGED_OUT;
}
- else
- {
- XMPP_syslog(LOG_DEBUG, "Ignoring unknown tag <%s>\n", pToken);
+
+ else {
+ XMPP_syslog(LOG_DEBUG, "Ignoring unknown tag <%s>\n", el);
}
XMPP->chardata_len = 0;
free(XMPP->message_body);
}
}
- free_buf_iq(&XMPP->IQ);
-
XML_ParserFree(XMPP->xp);
- FreeStrBuf(&XMPP->OutBuf);
free(XMPP);
}
CC->session_specific_data = malloc(sizeof(citxmpp));
memset(XMPP, 0, sizeof(citxmpp));
XMPP->last_event_processed = queue_event_seq;
- XMPP->OutBuf = NewStrBufPlain(NULL, SIZ);
+
/* XMPP does not use a greeting, but we still have to initialize some things. */
XMPP->xp = XML_ParserCreateNS("UTF-8", ':');
#endif
CC->can_receive_im = 1; /* This protocol is capable of receiving instant messages */
- XUnbuffer();
}
CC->kill_me = KILLME_CLIENT_DISCONNECTED;
}
FreeStrBuf(&stream_input);
- XUnbuffer();
}
XMPPSrvDebugEnable = n;
}
const char *CitadelServiceXMPP="XMPP";
-
-
-
-/******************************************************************************
- * XMPP handler registering logic *
- ******************************************************************************/
-
-void AddXMPPStartHandler(const char *key,
- long len,
- xmpp_handler_func Handler,
- int Flags)
-{
- xmpp_handler *h;
- h = (xmpp_handler*) malloc(sizeof (xmpp_handler));
- h->Flags = Flags;
- h->Handler = Handler;
- Put(XMPP_StartHandlers, key, len, h, NULL);
-}
-
-void AddXMPPEndHandler(const char *key,
- long len,
- xmpp_handler_func Handler,
- int Flags)
-{
- xmpp_handler *h;
- h = (xmpp_handler*) malloc(sizeof (xmpp_handler));
- h->Flags = Flags;
- h->Handler = Handler;
- Put(XMPP_EndHandlers, key, len, h, NULL);
-}
-
-void HFreePropertyHandler(void *FreeMe)
-{
- free(FreeMe);
-}
-
-void HDeleteTokenHandler(void *FreeMe)
-{
- TokenHandler *th = (TokenHandler *) FreeMe;
- DeleteHash(&th->Properties);
- free(th);
-}
-
-void XMPP_RegisterTokenProperty(const char *NS, long NSLen,
- const char *Token, long TLen,
- const char *Property, long PLen,
- GetTokenDataFunc GetToken,
- long offset)
-{
- void *pv;
- HashList *ThisNamespace = NULL;
- PropertyHandler *h;
- TokenHandler *th;
-
- h = (PropertyHandler*) malloc(sizeof(PropertyHandler));
- h->NameSpace = NS;
- h->NameSpaceLen = NSLen;
- h->Token = Token;
- h->TokenLen = TLen;
- h->Property = Property;
- h->PropertyLen = PLen;
- h->offset = offset;
-
- if (!GetHash(XMPP_SupportedNamespaces, NS, NSLen, &pv))
- {
- Put(XMPP_SupportedNamespaces, NS, NSLen, NewStrBufPlain(NS, NSLen), HFreeStrBuf);
- }
-
-
- if (GetHash(XMPP_NameSpaces, NS, NSLen, &pv))
- {
- ThisNamespace = pv;
- }
- else
- {
- ThisNamespace = NewHash(1, NULL);
- Put(XMPP_NameSpaces, NS, NSLen, ThisNamespace, HDeleteHash);
- }
-
- if (GetHash(ThisNamespace, Token, TLen, &pv))
- {
- th = pv;
- }
- else
- {
- th = (TokenHandler*) malloc (sizeof(TokenHandler));
- th->GetToken = GetToken;
- th->Properties = NewHash(1, NULL);
- Put(ThisNamespace, Token, TLen, th, HDeleteTokenHandler);
- }
-
-
- if (PLen > 0)
- Put(th->Properties, Property, PLen, h, HFreePropertyHandler);
- /*
- if (!GetHash(FlatToken, Token, TLen, &pv))
- {
- // todo mark pv as non uniq
- Put(FlatToken, Token, TLen, ThisToken, reference_free_handler);
- }
- */
-}
-
-void xmpp_cleanup(void)
-{
- DeleteHash(&XMPP_StartHandlers);
- DeleteHash(&XMPP_EndHandlers);
- DeleteHash(&XMPP_SupportedNamespaces);
- DeleteHash(&XMPP_NameSpaces);
- DeleteHash(&FlatToken);
-}
-
+extern void xmpp_cleanup_events(void);
CTDL_MODULE_INIT(xmpp)
{
if (!threading) {
xmpp_greeting,
xmpp_command_loop,
xmpp_async_loop,
- CitadelServiceXMPP);
-
-
- XMPP_StartHandlers = NewHash(1, NULL);
- XMPP_EndHandlers = NewHash(1, NULL);
- XMPP_NameSpaces = NewHash(1, NULL);
- XMPP_SupportedNamespaces = NewHash(1, NULL);
- FlatToken = NewHash(1, NULL);
-
- AddXMPPEndHandler(HKEY("resource"), xmpp_end_resource, 0);
- AddXMPPEndHandler(HKEY("username"), xmpp_end_username, 0);
- AddXMPPEndHandler(HKEY("password"), xmpp_end_password, 0);
- AddXMPPEndHandler(HKEY("iq"), xmpp_end_iq, 0);
- AddXMPPEndHandler(HKEY("auth"), xmpp_end_auth, 0);
- AddXMPPEndHandler(HKEY("session"), xmpp_end_session, 0);
- AddXMPPEndHandler(HKEY("body"), xmpp_end_body, 0);
- AddXMPPEndHandler(HKEY("html"), xmpp_end_html, 0);
- AddXMPPEndHandler(HKEY("starttls"), xmpp_end_starttls, 0);
- AddXMPPEndHandler(HKEY("ping"), xmpp_end_ping, 0);
- AddXMPPEndHandler(HKEY("stream"), xmpp_end_stream, 0);
-
- AddXMPPStartHandler(HKEY("stream"), xmpp_stream_start, 0);
- AddXMPPStartHandler(HKEY("query"), xmpp_start_query, 0);
- AddXMPPStartHandler(HKEY("bind"), xmpp_start_bind, 0);
- AddXMPPStartHandler(HKEY("auth"), xmpp_start_auth, 0);
-/// AddXMPPStartHandler(HKEY("message"), xmpp_start_message, 0);
- AddXMPPStartHandler(HKEY("html"), xmpp_start_html, 0);
-
-
+ CitadelServiceXMPP
+ );
CtdlRegisterDebugFlagHook(HKEY("serv_xmpp"), LogXMPPSrvDebugEnable, &XMPPSrvDebugEnable);
CtdlRegisterSessionHook(xmpp_cleanup_function, EVT_STOP, PRIO_STOP + 70);
CtdlRegisterSessionHook(xmpp_login_hook, EVT_LOGIN, PRIO_LOGIN + 90);
CtdlRegisterSessionHook(xmpp_logout_hook, EVT_LOGOUT, PRIO_LOGOUT + 90);
CtdlRegisterSessionHook(xmpp_login_hook, EVT_UNSTEALTH, PRIO_UNSTEALTH + 1);
CtdlRegisterSessionHook(xmpp_logout_hook, EVT_STEALTH, PRIO_STEALTH + 1);
- CtdlRegisterCleanupHook(xmpp_cleanup);
+ CtdlRegisterCleanupHook(xmpp_cleanup_events);
+
}
/* return our module name for the log */
return "xmpp";
}
-
-
projects / citadel.git / blobdiff