X-Git-Url: https://code.citadel.org/?a=blobdiff_plain;f=citadel%2Fmodules%2Fxmpp%2Fserv_xmpp.c;h=7986cb573fdb254de00bac8f1684f79cff2896e6;hb=e7c125bafc3bd24fd9cfb18c39b29abd19c7478f;hp=733c2363c6d6324e42aefd859fa99356444c4b31;hpb=0428f9c321bffd2afbd5c41c1170b74d240a5c64;p=citadel.git diff --git a/citadel/modules/xmpp/serv_xmpp.c b/citadel/modules/xmpp/serv_xmpp.c index 733c2363c..7986cb573 100644 --- a/citadel/modules/xmpp/serv_xmpp.c +++ b/citadel/modules/xmpp/serv_xmpp.c @@ -57,13 +57,15 @@ #include "ctdl_module.h" #include "serv_xmpp.h" -#if XML_MAJOR_VERSION > 0 /* XML_StopParser is present in expat 2.x */ +#if XML_MAJOR_VERSION > 1 #define HAVE_XML_STOPPARSER #endif struct xmpp_event *xmpp_queue = NULL; +int XMPPSrvDebugEnable = 0; + #ifdef HAVE_XML_STOPPARSER @@ -74,11 +76,30 @@ static void xmpp_entity_declaration(void *userData, const XML_Char *entityName, const XML_Char *systemId, const XML_Char *publicId, const XML_Char *notationName ) { - syslog(LOG_WARNING, "Illegal entity declaration encountered; stopping parser."); + XMPPM_syslog(LOG_WARNING, "Illegal entity declaration encountered; stopping parser."); XML_StopParser(XMPP->xp, XML_FALSE); } #endif +static inline int XMPP_GetUtf8SequenceLength(const char *CharS, const char *CharE) +{ + /* if this is is migrated to strbuf, remove this copy. */ + int n = 0; + unsigned char test = (1<<7); + + if ((*CharS & 0xC0) != 0xC0) + return 1; + + while ((n < 8) && + ((test & ((unsigned char)*CharS)) != 0)) + { + test = test >> 1; + n ++; + } + if ((n > 6) || ((CharE - CharS) < n)) + n = 0; + return n; +} /* @@ -91,8 +112,11 @@ static void xmpp_entity_declaration(void *userData, const XML_Char *entityName, 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; @@ -101,6 +125,9 @@ char *xmlesc(char *buf, char *str, int bufsiz) return(buf); } + inlen = strlen(str); + eiptr = str + inlen; + for (ptr=str; *ptr; ptr++) { ch = *ptr; if (ch == '<') { @@ -125,10 +152,25 @@ char *xmlesc(char *buf, char *str, int bufsiz) buf[len] = 0; } else { - char oct[10]; - sprintf(oct, "&#%o;", ch); - strcpy(&buf[len], oct); - len += strlen(oct); + char oct[32]; + + IsUtf8Sequence = XMPP_GetUtf8SequenceLength(&buf[len], eiptr); + if (IsUtf8Sequence) + { + 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); + } } if ((len + 6) > bufsiz) { return(buf); @@ -166,13 +208,13 @@ void xmpp_stream_start(void *data, const char *supplied_el, const char **attr) /* * TLS encryption (but only if it isn't already active) - */ + * / #ifdef HAVE_OPENSSL if (!CC->redirect_ssl) { cprintf(""); } #endif - + */ if (!CC->logged_in) { /* If we're not logged in yet, offer SASL as our feature set */ xmpp_output_auth_mechs(); @@ -203,9 +245,9 @@ void xmpp_xml_start(void *data, const char *supplied_el, const char **attr) { } /* - syslog(LOG_DEBUG, "XMPP ELEMENT START: <%s>\n", el); + XMPP_syslog(LOG_DEBUG, "XMPP ELEMENT START: <%s>\n", el); for (i=0; attr[i] != NULL; i+=2) { - syslog(LOG_DEBUG, " Attribute '%s' = '%s'\n", attr[i], attr[i+1]); + XMPP_syslog(LOG_DEBUG, " Attribute '%s' = '%s'\n", attr[i], attr[i+1]); } uncomment for more verbosity */ @@ -275,9 +317,9 @@ void xmpp_xml_end(void *data, const char *supplied_el) { } /* - syslog(LOG_DEBUG, "XMPP ELEMENT END : <%s>\n", el); + XMPP_syslog(LOG_DEBUG, "XMPP ELEMENT END : <%s>\n", el); if (XMPP->chardata_len > 0) { - syslog(LOG_DEBUG, " chardata: %s\n", XMPP->chardata); + XMPP_syslog(LOG_DEBUG, " chardata: %s\n", XMPP->chardata); } uncomment for more verbosity */ @@ -338,9 +380,9 @@ void xmpp_xml_end(void *data, const char *supplied_el) { * Unknown query ... return the XML equivalent of a blank stare */ else { - syslog(LOG_DEBUG, - "Unknown query <%s> - returning \n", - el + XMPP_syslog(LOG_DEBUG, + "Unknown query <%s> - returning \n", + el ); cprintf("", xmlesc(xmlbuf, XMPP->iq_id, sizeof xmlbuf)); cprintf("" @@ -473,14 +515,14 @@ void xmpp_xml_end(void *data, const char *supplied_el) { } else if (!strcasecmp(el, "stream")) { - syslog(LOG_DEBUG, "XMPP client shut down their stream\n"); + XMPPM_syslog(LOG_DEBUG, "XMPP client shut down their stream\n"); xmpp_massacre_roster(); cprintf("\n"); CC->kill_me = KILLME_CLIENT_LOGGED_OUT; } else { - syslog(LOG_DEBUG, "Ignoring unknown tag <%s>\n", el); + XMPP_syslog(LOG_DEBUG, "Ignoring unknown tag <%s>\n", el); } XMPP->chardata_len = 0; @@ -545,7 +587,7 @@ void xmpp_greeting(void) { XMPP->xp = XML_ParserCreateNS("UTF-8", ':'); if (XMPP->xp == NULL) { - syslog(LOG_ALERT, "Cannot create XML parser!\n"); + XMPPM_syslog(LOG_ALERT, "Cannot create XML parser!\n"); CC->kill_me = KILLME_XML_PARSER; return; } @@ -582,7 +624,7 @@ void xmpp_command_loop(void) { XML_Parse(XMPP->xp, ChrPtr(stream_input), rc, 0); } else { - syslog(LOG_ERR, "XMPP: client disconnected: ending session.\n"); + XMPPM_syslog(LOG_ERR, "client disconnected: ending session.\n"); CC->kill_me = KILLME_CLIENT_DISCONNECTED; } FreeStrBuf(&stream_input); @@ -614,6 +656,10 @@ void xmpp_logout_hook(void) { } +void LogXMPPSrvDebugEnable(const int n) +{ + XMPPSrvDebugEnable = n; +} const char *CitadelServiceXMPP="XMPP"; extern void xmpp_cleanup_events(void); CTDL_MODULE_INIT(xmpp) @@ -626,11 +672,12 @@ CTDL_MODULE_INIT(xmpp) xmpp_async_loop, CitadelServiceXMPP ); - CtdlRegisterSessionHook(xmpp_cleanup_function, EVT_STOP); - CtdlRegisterSessionHook(xmpp_login_hook, EVT_LOGIN); - CtdlRegisterSessionHook(xmpp_logout_hook, EVT_LOGOUT); - CtdlRegisterSessionHook(xmpp_login_hook, EVT_UNSTEALTH); - CtdlRegisterSessionHook(xmpp_logout_hook, EVT_STEALTH); + 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_events); }