add template token to output the current hostname
[citadel.git] / webcit / serv_func.c
index 188129e0dda0322585b61f80dbbbd6fa7567e935..b0427be542e162b70fe7beebaf82939936309537 100644 (file)
-/*
- * $Id$
- */
-/**
- * \defgroup ServFuncs Handles various types of data transfer operations with the Citadel service.
- * \ingroup CitadelCommunitacion
- */
 
-/*@{*/ 
 #include "webcit.h"
 #include "webserver.h"
 
-struct serv_info serv_info; /**< our connection data to the server */
+int is_uds = 0;
+char serv_sock_name[PATH_MAX] = "";
+
+HashList *EmbeddableMimes = NULL;
+StrBuf *EmbeddableMimeStrs = NULL;
+
+
+void SetInlinMimeRenderers(void)
+{
+       StrBuf *Buf;
+
+       Buf = NewStrBuf();
+
+       /* Tell the server what kind of richtext we prefer */
+       serv_putbuf(EmbeddableMimeStrs);
+       StrBuf_ServGetln(Buf);
+
+       FreeStrBuf(&Buf);
+}
+
 
-/**
- * \brief get info about the server we've connected to
- * \param browser_host the citadell we want to connect to
- * \param user_agent which browser uses our client?
+void DeleteServInfo(ServInfo **FreeMe)
+{
+       if (*FreeMe == NULL)
+               return;
+       FreeStrBuf(&(*FreeMe)->serv_nodename);
+       FreeStrBuf(&(*FreeMe)->serv_humannode);
+       FreeStrBuf(&(*FreeMe)->serv_fqdn);
+       FreeStrBuf(&(*FreeMe)->serv_software);
+       FreeStrBuf(&(*FreeMe)->serv_bbs_city);
+       FreeStrBuf(&(*FreeMe)->serv_sysadm);
+       FreeStrBuf(&(*FreeMe)->serv_default_cal_zone);
+       FreeStrBuf(&(*FreeMe)->serv_svn_revision);
+       free(*FreeMe);
+       *FreeMe = NULL;
+}
+
+/*
+ * get info about the server we've connected to
+ *
+ * browser_host                the citadel we want to connect to
+ * user_agent          which browser uses our client?
  */
-void get_serv_info(char *browser_host, char *user_agent)
+ServInfo *get_serv_info(StrBuf *browser_host, StrBuf *user_agent)
 {
-       char buf[SIZ];
+       ServInfo *info;
+       StrBuf *Buf;
        int a;
+       int rc;
+
+       Buf = NewStrBuf();
 
-       /** Tell the server what kind of client is connecting */
+       /* Tell the server what kind of client is connecting */
        serv_printf("IDEN %d|%d|%d|%s|%s",
-               DEVELOPER_ID,
-               CLIENT_ID,
-               CLIENT_VERSION,
-               user_agent,
-               browser_host
+                   DEVELOPER_ID,
+                   CLIENT_ID,
+                   CLIENT_VERSION,
+                   ChrPtr(user_agent),
+                   ChrPtr(browser_host)
        );
-       serv_getln(buf, sizeof buf);
-
-       /** Tell the server what kind of richtext we prefer */
-       serv_puts("MSGP text/html|text/plain");
-       serv_getln(buf, sizeof buf);
+       StrBuf_ServGetln(Buf);
+       if (GetServerStatus(Buf, NULL) != 2) {
+               syslog(LOG_WARNING, "get_serv_info(IDEN): unexpected answer [%s]\n",
+                       ChrPtr(Buf));
+               FreeStrBuf(&Buf);
+               return NULL;
+       }
 
-#ifdef WEBCIT_WITH_CALENDAR_SERVICE
-       /**
+       /*
         * Tell the server that when we save a calendar event, we
         * want invitations to be generated by the Citadel server
         * instead of by the client.
         */
        serv_puts("ICAL sgi|1");
-       serv_getln(buf, sizeof buf);
-#endif
+       StrBuf_ServGetln(Buf);
+       if (GetServerStatus(Buf, NULL) != 2) {
+               syslog(LOG_WARNING, "get_serv_info(ICAL sgi|1): unexpected answer [%s]\n",
+                       ChrPtr(Buf));
+               FreeStrBuf(&Buf);
+               return NULL;
+       }
 
-       /** Now ask the server to tell us a little bit about itself... */
+       /* Now ask the server to tell us a little bit about itself... */
        serv_puts("INFO");
-       serv_getln(buf, sizeof buf);
-       if (buf[0] != '1')
-               return;
+       StrBuf_ServGetln(Buf);
+       if (GetServerStatus(Buf, NULL) != 1) {
+               syslog(LOG_WARNING, "get_serv_info(INFO sgi|1): unexpected answer [%s]\n",
+                       ChrPtr(Buf));
+               FreeStrBuf(&Buf);
+               return NULL;
+       }
 
+       info = (ServInfo*)malloc(sizeof(ServInfo));
+       memset(info, 0, sizeof(ServInfo));
        a = 0;
-       while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
+       while (rc = StrBuf_ServGetln(Buf),
+              (rc >= 0) &&
+              ((rc != 3) || 
+               strcmp(ChrPtr(Buf), "000")))
+       {
                switch (a) {
                case 0:
-                       serv_info.serv_pid = atoi(buf);
-                       WC->ctdl_pid = serv_info.serv_pid;
+                       info->serv_pid = StrToi(Buf);
+                       WC->ctdl_pid = info->serv_pid;
                        break;
                case 1:
-                       safestrncpy(serv_info.serv_nodename, buf, sizeof serv_info.serv_nodename);
+                       info->serv_nodename = NewStrBufDup(Buf);
                        break;
                case 2:
-                       safestrncpy(serv_info.serv_humannode, buf, sizeof serv_info.serv_humannode);
+                       info->serv_humannode = NewStrBufDup(Buf);
                        break;
                case 3:
-                       safestrncpy(serv_info.serv_fqdn, buf, sizeof serv_info.serv_fqdn);
+                       info->serv_fqdn = NewStrBufDup(Buf);
                        break;
                case 4:
-                       safestrncpy(serv_info.serv_software, buf, sizeof serv_info.serv_software);
+                       info->serv_software = NewStrBufDup(Buf);
                        break;
                case 5:
-                       serv_info.serv_rev_level = atoi(buf);
+                       info->serv_rev_level = StrToi(Buf);
                        break;
                case 6:
-                       safestrncpy(serv_info.serv_bbs_city, buf, sizeof serv_info.serv_bbs_city);
+                       info->serv_bbs_city = NewStrBufDup(Buf);
                        break;
                case 7:
-                       safestrncpy(serv_info.serv_sysadm, buf, sizeof serv_info.serv_sysadm);
-                       break;
-               case 9:
-                       safestrncpy(serv_info.serv_moreprompt, buf, sizeof serv_info.serv_moreprompt);
+                       info->serv_sysadm = NewStrBufDup(Buf);
                        break;
                case 14:
-                       serv_info.serv_supports_ldap = atoi(buf);
+                       info->serv_supports_ldap = StrToi(Buf);
                        break;
                case 15:
-                       serv_info.serv_newuser_disabled = atoi(buf);
+                       info->serv_newuser_disabled = StrToi(Buf);
+                       break;
+               case 16:
+                       info->serv_default_cal_zone = NewStrBufDup(Buf);
+                       break;
+               case 20:
+                       info->serv_supports_sieve = StrToi(Buf);
+                       break;
+               case 21:
+                       info->serv_fulltext_enabled = StrToi(Buf);
+                       break;
+               case 22:
+                       info->serv_svn_revision = NewStrBufDup(Buf);
+                       break;
+               case 23:
+                       info->serv_supports_openid = StrToi(Buf);
+                       break;
+               case 24:
+                       info->serv_supports_guest = StrToi(Buf);
                        break;
                }
                ++a;
        }
+       FreeStrBuf(&Buf);
+       return info;
 }
 
-
-
-/**
- * \brief Read Citadel variformat text and spit it out as HTML.
- * \param align html align string
- */
-void fmout(char *align)
+int GetConnected (void)
 {
-       int intext = 0;
-       int bq = 0;
-       char buf[SIZ];
-
-       wprintf("<div align=%s>\n", align);
-       while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
-
-               if ((intext == 1) && (isspace(buf[0]))) {
-                       wprintf("<br />");
+       StrBuf *Buf;
+       wcsession *WCC = WC;
+
+       if (WCC->ReadBuf == NULL)
+               WCC->ReadBuf = NewStrBufPlain(NULL, SIZ * 4);
+       if (is_uds) /* unix domain socket */
+               WCC->serv_sock = uds_connectsock(serv_sock_name);
+       else        /* tcp socket */
+               WCC->serv_sock = tcp_connectsock(ctdlhost, ctdlport);
+       
+       if (WCC->serv_sock < 0) {
+               WCC->connected = 0;
+               FreeStrBuf(&WCC->ReadBuf);
+               return 1;
+       }
+       else {
+               long Status;
+               int short_status;
+               Buf = NewStrBuf();
+               WCC->connected = 1;
+               StrBuf_ServGetln(Buf);  /* get the server greeting */
+               short_status = GetServerStatus(Buf, &Status);
+               FreeStrBuf(&Buf);
+
+               /* Server isn't ready for us? */
+               if (short_status != 2) {
+                       if (Status == 551) {
+                               hprintf("HTTP/1.1 503 Service Unavailable\r\n");
+                               hprintf("Content-type: text/plain; charset=utf-8\r\n");
+                               wc_printf(_("This server is already serving its maximum number of users and cannot accept any additional logins at this time.  Please try again later or contact your system administrator."));
+                       }
+                       else {
+                               wc_printf("%ld %s\n",
+                                       Status,
+                                       _("Received unexpected answer from Citadel server; bailing out.")
+                               );
+                               hprintf("HTTP/1.1 502 Bad Gateway\r\n");
+                               hprintf("Content-type: text/plain; charset=utf-8\r\n");
+                       }
+                       end_burst();
+                       end_webcit_session();
+                       return 1;
                }
-               intext = 1;
 
-               /**
-                * Quoted text should be displayed in italics and in a
-                * different colour.  This code understands Citadel-style
-                * " >" quotes and will convert to <BLOCKQUOTE> tags.
+               /*
+                * From what host is our user connecting?  Go with
+                * the host at the other end of the HTTP socket,
+                * unless we are following X-Forwarded-For: headers
+                * and such a header has already turned up something.
                 */
-               if ((bq == 0) && (!strncmp(buf, " >", 2))) {
-                       wprintf("<BLOCKQUOTE>");
-                       bq = 1;
-               } else if ((bq == 1) && (strncmp(buf, " >", 2))) {
-                       wprintf("</BLOCKQUOTE>");
-                       bq = 0;
+               if ( (!follow_xff) || (StrLength(WCC->Hdr->HR.browser_host) == 0) ) {
+                       if (WCC->Hdr->HR.browser_host == NULL) {
+                               WCC->Hdr->HR.browser_host = NewStrBuf();
+                               Put(WCC->Hdr->HTTPHeaders, HKEY("FreeMeWithTheOtherHeaders"), 
+                                   WCC->Hdr->HR.browser_host, HFreeStrBuf);
+                       }
+                       locate_host(WCC->Hdr->HR.browser_host, WCC->Hdr->http_sock);
                }
-               if ((bq == 1) && (!strncmp(buf, " >", 2))) {
-                       strcpy(buf, &buf[2]);
+               if (WCC->serv_info == NULL) {
+                       WCC->serv_info = get_serv_info(WCC->Hdr->HR.browser_host, WCC->Hdr->HR.user_agent);
                }
-               /** Activate embedded URL's */
-               url(buf);
-
-               escputs(buf);
-               wprintf("\n");
-       }
-       if (bq == 1) {
-               wprintf("</I>");
+               if (WCC->serv_info == NULL){
+                       begin_burst();
+                       wc_printf(_("Received unexpected answer from Citadel server; bailing out."));
+                       hprintf("HTTP/1.1 502 Bad Gateway\r\n");
+                       hprintf("Content-type: text/plain; charset=utf-8\r\n");
+                       end_burst();
+                       end_webcit_session();
+                       return 1;
+               }
+               if (WCC->serv_info->serv_rev_level < MINIMUM_CIT_VERSION) {
+                       begin_burst();
+                       wc_printf(_("You are connected to a Citadel "
+                                 "server running Citadel %d.%02d. \n"
+                                 "In order to run this version of WebCit "
+                                 "you must also have Citadel %d.%02d or"
+                                 " newer.\n\n\n"),
+                               WCC->serv_info->serv_rev_level / 100,
+                               WCC->serv_info->serv_rev_level % 100,
+                               MINIMUM_CIT_VERSION / 100,
+                               MINIMUM_CIT_VERSION % 100
+                               );
+                       hprintf("HTTP/1.1 200 OK\r\n");
+                       hprintf("Content-type: text/plain; charset=utf-8\r\n");
+                       end_burst();
+                       end_webcit_session();
+                       return 1;
+               }
+               SetInlinMimeRenderers();
        }
-       wprintf("</div><br />\n");
+       return 0;
 }
 
 
+void FmOut(StrBuf *Target, const char *align, const StrBuf *Source)
+{
+       const char *ptr, *pte;
+       const char *BufPtr = NULL;
+       StrBuf *Line = NewStrBufPlain(NULL, SIZ);
+       StrBuf *Line1 = NewStrBufPlain(NULL, SIZ);
+       StrBuf *Line2 = NewStrBufPlain(NULL, SIZ);
+       int bn = 0;
+       int bq = 0;
+       int i;
+       long len;
+       int intext = 0;
 
+       StrBufAppendPrintf(Target, "<div class=\"fmout-%s\">\n", align);
 
-/**
- * \brief Read Citadel variformat text and spit it out as HTML in a form
- * suitable for embedding in another message (forward/quote).
- * (NO LINEBREAKS ALLOWED HERE!)
- */
-void pullquote_fmout(void) {
-       int intext = 0;
-       int bq = 0;
-       char buf[SIZ];
+       if (StrLength(Source) > 0) 
+               do 
+               {
+                       StrBufSipLine(Line, Source, &BufPtr);
+                       bq = 0;
+                       i = 0;
+                       ptr = ChrPtr(Line);
+                       len = StrLength(Line);
+                       pte = ptr + len;
 
-       while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
+                       if ((intext == 1) && (isspace(*ptr))) {
+                               StrBufAppendBufPlain(Target, HKEY("<br>"), 0);
+                       }
+                       intext = 1;
+                       if (isspace(*ptr)) while ((ptr < pte) &&
+                                                 ((*ptr == '>') ||
+                                                  isspace(*ptr)))
+                                          {
+                                                  if (*ptr == '>')
+                                                          bq++;
+                                                  ptr ++;
+                                                  i++;
+                                          }
+
+                       /*
+                        * Quoted text should be displayed in italics and in a
+                        * different colour.  This code understands Citadel-style
+                        * " >" quotes and will convert to <BLOCKQUOTE> tags.
+                        */
+                       if (i > 0) StrBufCutLeft(Line, i);
+               
 
-               if ((intext == 1) && (isspace(buf[0]))) {
-                       wprintf("<br />");
-               }
-               intext = 1;
+                       for (i = bn; i < bq; i++)                               
+                               StrBufAppendBufPlain(Target, HKEY("<blockquote>"), 0);
+                       for (i = bq; i < bn; i++)                               
+                               StrBufAppendBufPlain(Target, HKEY("</blockquote>"), 0);
+                       bn = bq;
 
-               /**
-                * Quoted text should be displayed in italics and in a
-                * different colour.  This code understands Citadel-style
-                * " >" quotes and will convert to <BLOCKQUOTE> tags.
-                */
-               if ((bq == 0) && (!strncmp(buf, " >", 2))) {
-                       wprintf("<BLOCKQUOTE>");
-                       bq = 1;
-               } else if ((bq == 1) && (strncmp(buf, " >", 2))) {
-                       wprintf("</BLOCKQUOTE>");
-                       bq = 0;
-               }
-               if ((bq == 1) && (!strncmp(buf, " >", 2))) {
-                       strcpy(buf, &buf[2]);
+                       if (StrLength(Line) == 0)
+                               continue;
+
+                       /* Activate embedded URL's */
+                       UrlizeText(Line1, Line, Line2);
+
+                       StrEscAppend(Target, Line1, NULL, 0, 0);
+
+                       StrBufAppendBufPlain(Target, HKEY("\n"), 0);
                }
+               while ((BufPtr != StrBufNOTNULL) &&
+                      (BufPtr != NULL));
 
-               msgescputs(buf);
-       }
-       if (bq == 1) {
-               wprintf("</I>");
+       for (i = 0; i < bn; i++) {
+               StrBufAppendBufPlain(Target, HKEY("</blockquote>"), 0);
        }
+       StrBufAppendBufPlain(Target, HKEY("</div><br>\n"), 0);
+       FreeStrBuf(&Line);
+       FreeStrBuf(&Line1);
+       FreeStrBuf(&Line2);
 }
 
 
 
-
-/**
- * \brief Transmit message text (in memory) to the server.
- *
- * \param ptr Pointer to the message being transmitted
+/*
+ *  Transmit message text (in memory) to the server.
  */
 void text_to_server(char *ptr)
 {
        char buf[256];
-       int ch, a, pos;
+       int ch, a, pos, len;
 
        pos = 0;
        buf[0] = 0;
@@ -203,9 +346,11 @@ void text_to_server(char *ptr)
        while (ptr[pos] != 0) {
                ch = ptr[pos++];
                if (ch == 10) {
-                       while ( (isspace(buf[strlen(buf) - 1]))
-                         && (strlen(buf) > 1) )
-                               buf[strlen(buf) - 1] = 0;
+                       len = strlen(buf);
+                       while ( (isspace(buf[len - 1]))
+                               && (buf[0] !=  '\0') 
+                               && (buf[1] !=  '\0') )
+                               buf[--len] = 0;
                        serv_puts(buf);
                        buf[0] = 0;
                        if (ptr[pos] != 0) strcat(buf, " ");
@@ -228,85 +373,23 @@ void text_to_server(char *ptr)
 }
 
 
-/**
- * \brief Transmit message text (in memory) to the server,
- *        converting to Quoted-Printable encoding as we go.
- *
- * \param ptr Pointer to the message being transmitted
+/*
+ * Transmit message text (in memory) to the server, converting to Quoted-Printable encoding as we go.
  */
-void text_to_server_qp(char *ptr)
+void text_to_server_qp(const StrBuf *SendMeEncoded)
 {
-       unsigned char ch, buf[256];
-       int pos;
-       int output_len = 0;
-
-       pos = 0;
-       buf[0] = 0;
-       output_len = 0;
-
-       while (ptr[pos] != 0) {
-               ch = (unsigned char)(ptr[pos++]);
+       StrBuf *ServBuf;
 
-               if (ch == 13) {
-                       /* ignore carriage returns */
-               }
-               else if (ch == 10) {
-                       /* hard line break */
-                       if (output_len > 0) {
-                               if (isspace(buf[output_len-1])) {
-                                       sprintf((char *)&buf[output_len-1], "=%02X", buf[output_len-1]);
-                                       output_len += 2;
-                               }
-                       }
-                       buf[output_len++] = 0;
-                       serv_puts((char *)buf);
-                       output_len = 0;
-               }
-               else if (ch == 9) {
-                       buf[output_len++] = ch;
-               }
-               else if ( (ch >= 32) && (ch <= 60) ) {
-                       buf[output_len++] = ch;
-               }
-               else if ( (ch >= 62) && (ch <= 126) ) {
-                       buf[output_len++] = ch;
-               }
-               else {
-                       sprintf((char *)&buf[output_len], "=%02X", ch);
-                       output_len += 3;
-               }
-               
-               if (output_len > 72) {
-                       /* soft line break */
-                       if (isspace(buf[output_len-1])) {
-                               sprintf((char *)&buf[output_len-1], "=%02X", buf[output_len-1]);
-                               output_len += 2;
-                       }
-                       buf[output_len++] = '=';
-                       buf[output_len++] = 0;
-                       serv_puts((char *)buf);
-                       output_len = 0;
-               }
-       }
-
-       /* end of data - transmit anything that's left */
-       if (output_len > 0) {
-               if (isspace(buf[output_len-1])) {
-                       sprintf((char *)&buf[output_len-1], "=%02X", buf[output_len-1]);
-                       output_len += 2;
-               }
-               buf[output_len++] = 0;
-               serv_puts((char *)buf);
-               output_len = 0;
-       }
+       ServBuf = StrBufRFC2047encodeMessage(SendMeEncoded);
+       serv_putbuf(ServBuf);
+       FreeStrBuf(&ServBuf);
 }
 
 
 
 
-/**
- * \brief translate server message output to text
- * (used for editing room info files and such)
+/*
+ * translate server message output to text (used for editing room info files and such)
  */
 void server_to_text()
 {
@@ -316,86 +399,282 @@ void server_to_text()
 
        while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
                if ((buf[0] == 32) && (count > 0)) {
-                       wprintf("\n");
+                       wc_printf("\n");
                }
-               wprintf("%s", buf);
+               wc_printf("%s", buf);
                ++count;
        }
 }
 
 
 
-/**
- * Read binary data from server into memory using a series of
- * server READ commands.
- * \param buffer the output buffer
- * \param total_len the maximal length of buffer
+
+/*
+ * Read text from server, appending to a string buffer until the
+ * usual 000 terminator is found.  Caller is responsible for freeing
+ * the returned pointer.
  */
-void read_server_binary(char *buffer, size_t total_len) {
-       char buf[SIZ];
-       size_t bytes = 0;
-       size_t thisblock = 0;
-
-       memset(buffer, 0, total_len);
-       while (bytes < total_len) {
-               thisblock = 4095;
-               if ((total_len - bytes) < thisblock) {
-                       thisblock = total_len - bytes;
-                       if (thisblock == 0) return;
-               }
-               serv_printf("READ %d|%d", (int)bytes, (int)thisblock);
-               serv_getln(buf, sizeof buf);
-               if (buf[0] == '6') {
-                       thisblock = (size_t)atoi(&buf[4]);
-                       if (!WC->connected) return;
-                       serv_read(&buffer[bytes], thisblock);
-                       bytes += thisblock;
-               }
-               else {
-                       lprintf(3, "Error: %s\n", &buf[4]);
-                       return;
-               }
+int read_server_text(StrBuf *Buf, long *nLines)
+{
+       wcsession *WCC = WC;
+       StrBuf *ReadBuf;
+       long nRead;
+       long nTotal = 0;
+       long nlines;
+       
+       nlines = 0;
+       ReadBuf = NewStrBuf();
+       while ((WCC->serv_sock!=-1) &&
+              (nRead = StrBuf_ServGetln(ReadBuf), (nRead >= 0) &&
+               ((nRead != 3)||(strcmp(ChrPtr(ReadBuf), "000") != 0))))
+       {
+               StrBufAppendBuf(Buf, ReadBuf, 0);
+               StrBufAppendBufPlain(Buf, HKEY("\n"), 0);
+               nTotal += nRead;
+               nlines ++;
        }
+       FreeStrBuf(&ReadBuf);
+       *nLines = nlines;
+       return nTotal;
 }
 
 
-/**
- * \brief Read text from server, appending to a string buffer until the
- * usual 000 terminator is found.  Caller is responsible for freeing
- * the returned pointer.
- */
-char *read_server_text(void) {
-       char *text = NULL;
-       size_t bytes_allocated = 0;
-       size_t bytes_read = 0;
-       int linelen;
-       char buf[SIZ];
+int GetServerStatusMsg(StrBuf *Line, long* FullState, int PutImportantMessage, int MajorOK)
+{
+       int rc;
+       if (FullState != NULL)
+               *FullState = StrTol(Line);
+       rc = ChrPtr(Line)[0] - 48;
+       if ((!PutImportantMessage) || 
+           (MajorOK == rc)||
+           (StrLength(Line) <= 4))
+               return rc;
+
+       AppendImportantMessage(ChrPtr(Line) + 4, StrLength(Line) - 4);
+       return rc;
+}
 
-       text = malloc(SIZ);
-       if (text == NULL) {
-               return(NULL);
-       }
-       text[0] = 0;
-       bytes_allocated = SIZ;
 
-       while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
-               linelen = strlen(buf);
-               buf[linelen] = '\n';
-               buf[linelen+1] = 0;
-               ++linelen;
-
-               if ((bytes_read + linelen) >= (bytes_allocated - 2)) {
-                       bytes_allocated = 2 * bytes_allocated;
-                       text = realloc(text, bytes_allocated);
+void tmplput_serv_ip(StrBuf *Target, WCTemplputParams *TP)
+{
+       StrBufAppendPrintf(Target, "%d", WC->ctdl_pid);
+}
+
+void tmplput_serv_admin(StrBuf *Target, WCTemplputParams *TP)
+{
+       wcsession *WCC = WC;
+       if (WCC->serv_info == NULL)
+               return;
+       StrBufAppendTemplate(Target, TP, WCC->serv_info->serv_sysadm, 0);
+}
+
+void tmplput_serv_nodename(StrBuf *Target, WCTemplputParams *TP)
+{
+       wcsession *WCC = WC;
+       if (WCC->serv_info == NULL)
+               return;
+       StrBufAppendTemplate(Target, TP, WCC->serv_info->serv_nodename, 0);
+}
+
+void tmplput_serv_humannode(StrBuf *Target, WCTemplputParams *TP)
+{
+       wcsession *WCC = WC;
+       if (WCC->serv_info == NULL)
+               return;
+       StrBufAppendTemplate(Target, TP, WCC->serv_info->serv_humannode, 0);
+}
+
+void tmplput_serv_fqdn(StrBuf *Target, WCTemplputParams *TP)
+{
+       wcsession *WCC = WC;
+       if (WCC->serv_info == NULL)
+               return;
+       StrBufAppendTemplate(Target, TP, WCC->serv_info->serv_fqdn, 0);
+}
+
+void tmplput_serv_software(StrBuf *Target, WCTemplputParams *TP)
+{
+       wcsession *WCC = WC;
+       if (WCC->serv_info == NULL)
+               return;
+       StrBufAppendTemplate(Target, TP, WCC->serv_info->serv_software, 0);
+}
+
+void tmplput_serv_rev_level(StrBuf *Target, WCTemplputParams *TP)
+{
+       wcsession *WCC = WC;
+       if (WCC->serv_info == NULL)
+               return;
+       StrBufAppendPrintf(Target, "%d.%02d",
+                           WCC->serv_info->serv_rev_level / 100,
+                           WCC->serv_info->serv_rev_level % 100);
+}
+int conditional_serv_newuser_disabled(StrBuf *Target, WCTemplputParams *TP)
+{
+       wcsession *WCC = WC;
+       if (WCC->serv_info == NULL)
+               return 0;
+       return WCC->serv_info->serv_newuser_disabled != 0;
+}
+
+int conditional_serv_supports_guest(StrBuf *Target, WCTemplputParams *TP)                                                                                                                                       
+{
+       wcsession *WCC = WC;
+        if (WCC->serv_info == NULL)
+               return 0;
+        return WCC->serv_info->serv_supports_guest != 0;
+}
+
+int conditional_serv_supports_openid(StrBuf *Target, WCTemplputParams *TP)
+{
+       wcsession *WCC = WC;
+       if (WCC->serv_info == NULL)
+               return 0;
+       return WCC->serv_info->serv_supports_openid != 0;
+}
+
+int conditional_serv_fulltext_enabled(StrBuf *Target, WCTemplputParams *TP)
+{
+       wcsession *WCC = WC;
+       if (WCC->serv_info == NULL)
+               return 0;
+       return WCC->serv_info->serv_fulltext_enabled != 0;
+}
+
+int conditional_serv_ldap_enabled(StrBuf *Target, WCTemplputParams *TP)
+{
+       wcsession *WCC = WC;
+       if (WCC->serv_info == NULL)
+               return 0;
+       return WCC->serv_info->serv_supports_ldap != 0;
+}
+
+void tmplput_serv_bbs_city(StrBuf *Target, WCTemplputParams *TP)
+{
+       wcsession *WCC = WC;
+       if (WCC->serv_info == NULL)
+               return;
+       StrBufAppendTemplate(Target, TP, WC->serv_info->serv_bbs_city, 0);
+}
+
+void tmplput_mesg(StrBuf *Target, WCTemplputParams *TP)
+{
+       int n = 0;
+       int Done = 0;
+       StrBuf *Line;
+       StrBuf *Buf;
+
+       Buf = NewStrBuf();
+       Line = NewStrBuf();
+       serv_printf("MESG %s", TP->Tokens->Params[0]->Start);
+
+       StrBuf_ServGetln(Line);
+       if (GetServerStatus(Line, NULL) == 1) {
+               while (!Done &&  (StrBuf_ServGetln(Line)>=0)) {
+                       if ( (StrLength(Line)==3) && 
+                            !strcmp(ChrPtr(Line), "000")) 
+                               Done = 1;
+                       else
+                       {
+                               if (n > 0)
+                                       StrBufAppendBufPlain(Buf, "\n", 1, 0);
+                               StrBufAppendBuf(Buf, Line, 0);
+                       }
+                       n++;
                }
+       
+               FlushStrBuf(Line);
+               FmOut(Line, "center", Buf);
+               StrBufAppendTemplate(Target, TP, Line, 1);
+       }
+       FreeStrBuf(&Buf);
+       FreeStrBuf(&Line);
+}
 
-               strcpy(&text[bytes_read], buf);
-               bytes_read += linelen;
+void tmplput_site_prefix(StrBuf *Target, WCTemplputParams *TP) {
+       wcsession *WCC = WC;
+       if ((WCC != NULL) && (WCC->Hdr->HostHeader != NULL)) {
+               StrBufAppendTemplate(Target, TP, WCC->Hdr->HostHeader, 0);
        }
+}
+
+void RegisterEmbeddableMimeType(const char *MimeType, long MTLen, int Priority)
+{
+       StrBuf *MT;
+       MT = NewStrBufPlain(MimeType, MTLen);
+       Put(EmbeddableMimes, IKEY(Priority), MT, HFreeStrBuf);
+}
+
+void CreateMimeStr(void)
+{
+       HashPos  *it;
+       void *vMime;
+       long len = 0;
+       const char *Key;
+
+       it = GetNewHashPos(EmbeddableMimes, 0);
+       while (GetNextHashPos(EmbeddableMimes, it, &len, &Key, &vMime) &&
+               (vMime != NULL)) {
+               if (StrLength(EmbeddableMimeStrs) > 0)
+                       StrBufAppendBufPlain(EmbeddableMimeStrs, HKEY("|"), 0);
+               else 
+                       StrBufAppendBufPlain(EmbeddableMimeStrs, HKEY("MSGP "), 0);
+               StrBufAppendBuf(EmbeddableMimeStrs, (StrBuf*) vMime, 0);
+       }
+       DeleteHashPos(&it);
+}
+
+void
+ServerStartModule_SERV_FUNC
+(void)
+{
+       EmbeddableMimes = NewHash(1, Flathash);
+       EmbeddableMimeStrs = NewStrBuf();
+}
+
 
-       return(text);
+void
+ServerShutdownModule_SERV_FUNC
+(void)
+{
+       FreeStrBuf(&EmbeddableMimeStrs);
+       DeleteHash(&EmbeddableMimes);
 }
 
+void 
+InitModule_SERVFUNC
+(void)
+{
+       is_uds = strcasecmp(ctdlhost, "uds") == 0;
+       if (is_uds)
+               snprintf(serv_sock_name, PATH_MAX, "%s/citadel.socket", ctdlport);
+
+       RegisterConditional("COND:SERV:OPENID", 2, conditional_serv_supports_openid, CTX_NONE);
+       RegisterConditional("COND:SERV:NEWU", 2, conditional_serv_newuser_disabled, CTX_NONE);
+       RegisterConditional("COND:SERV:FULLTEXT_ENABLED", 2, conditional_serv_fulltext_enabled, CTX_NONE);
+       RegisterConditional("COND:SERV:LDAP_ENABLED", 2, conditional_serv_ldap_enabled, CTX_NONE);
+        RegisterConditional("COND:SERV:SUPPORTS_GUEST", 2, conditional_serv_supports_guest, CTX_NONE);
+       RegisterNamespace("SERV:PID", 0, 0, tmplput_serv_ip, NULL, CTX_NONE);
+       RegisterNamespace("SERV:NODENAME", 0, 1, tmplput_serv_nodename, NULL, CTX_NONE);
+       RegisterNamespace("SERV:HUMANNODE", 0, 1, tmplput_serv_humannode, NULL, CTX_NONE);
+       RegisterNamespace("SERV:FQDN", 0, 1, tmplput_serv_fqdn, NULL, CTX_NONE);
+       
+       RegisterNamespace("SERV:SOFTWARE", 0, 1, tmplput_serv_software, NULL, CTX_NONE);
+       RegisterNamespace("SERV:REV_LEVEL", 0, 0, tmplput_serv_rev_level, NULL, CTX_NONE);
+       RegisterNamespace("SERV:BBS_CITY", 0, 1, tmplput_serv_bbs_city, NULL, CTX_NONE);
+       RegisterNamespace("SERV:MESG", 1, 2, tmplput_mesg, NULL, CTX_NONE);
+       RegisterNamespace("SERV:ADMIN", 0, 1, tmplput_serv_admin, NULL, CTX_NONE);
+
+       RegisterNamespace("SERV:SITE:PREFIX", 0, 1, tmplput_site_prefix, NULL, CTX_NONE);
 
 
-/*@}*/
+}
+
+
+
+void 
+SessionDestroyModule_SERVFUNC
+(wcsession *sess)
+{
+       DeleteServInfo(&sess->serv_info);
+}