]> code.citadel.org Git - citadel.git/blobdiff - webcit/webcit.c
* tiny 'file'-extract, now we can detect the type of an image. and set the mimetype...
[citadel.git] / webcit / webcit.c
index 865c8b78518d015294075cb489748cb8d4acda17..67ed35c212eb393005d22acbbead1c5f376c4bfe 100644 (file)
@@ -11,7 +11,6 @@
 #include "webcit.h"
 #include "groupdav.h"
 #include "webserver.h"
-#include "mime_parser.h"
 
 #include <stdio.h>
 #include <stdarg.h>
@@ -23,7 +22,7 @@
  */
 static char *unset = "; expires=28-May-1971 18:10:00 GMT";
 
-/**
+/**   
  * \brief remove escaped strings from i.e. the url string (like %20 for blanks)
  * \param buf the buffer to examine
  */
@@ -40,7 +39,8 @@ void unescape_input(char *buf)
                buflen --;
        }
 
-       for (a = 0; a < buflen; ++a) {
+       a = 0; 
+       while (a < buflen) {
                if (buf[a] == '+')
                        buf[a] = ' ';
                if (buf[a] == '%') {
@@ -54,6 +54,7 @@ void unescape_input(char *buf)
                        
                        buflen -=2;
                }
+               a++;
        }
 
 }
@@ -204,38 +205,68 @@ void wDumpContent(int print_standard_html_footer)
  * \param nbsp If nonzero, spaces are converted to non-breaking spaces.
  * \param nolinebreaks if set, linebreaks are removed from the string.
  */
-void stresc(char *target, char *strbuf, int nbsp, int nolinebreaks)
+long stresc(char *target, long tSize, char *strbuf, int nbsp, int nolinebreaks)
 {
-       int a, len;
-       strcpy(target, "");
+       char *aptr, *bptr, *eptr;
 
-       len = strlen(strbuf);
-       for (a = 0; a < len; ++a) {
-               if (strbuf[a] == '<')
-                       strcat(target, "&lt;");
-               else if (strbuf[a] == '>')
-                       strcat(target, "&gt;");
-               else if (strbuf[a] == '&')
-                       strcat(target, "&amp;");
-               else if (strbuf[a] == '\"')
-                       strcat(target, "&quot;");
-               else if (strbuf[a] == '\'') 
-                       strcat(target, "&#39;");
-               else if (strbuf[a] == LB)
-                       strcat(target, "<");
-               else if (strbuf[a] == RB)
-                       strcat(target, ">");
-               else if (strbuf[a] == QU)
-                       strcat(target, "\"");
-               else if ((strbuf[a] == 32) && (nbsp == 1))
-                       strcat(target, "&nbsp;");
-               else if ((strbuf[a] == '\n') && (nolinebreaks))
-                       strcat(target, "");     /* nothing */
-               else if ((strbuf[a] == '\r') && (nolinebreaks))
-                       strcat(target, "");     /* nothing */
-               else
-                       strncat(target, &strbuf[a], 1);
+       *target = '\0';
+       aptr = strbuf;
+       bptr = target;
+       eptr = target + tSize - 6; // our biggest unit to put in... 
+
+       while ((bptr < eptr) && !IsEmptyStr(aptr) ){
+               if (*aptr == '<') {
+                       memcpy(bptr, "&lt;", 4);
+                       bptr += 4;
+               }
+               else if (*aptr == '>') {
+                       memcpy(bptr, "&gt;", 4);
+                       bptr += 4;
+               }
+               else if (*aptr == '&') {
+                       memcpy(bptr, "&amp;", 5);
+                       bptr += 5;
+               }
+               else if (*aptr == '\"') {
+                       memcpy(bptr, "&quot;", 6);
+                       bptr += 6;
+               }
+               else if (*aptr == '\'') {
+                       memcpy(bptr, "&#39;", 5);
+                       bptr += 5;
+               }
+               else if (*aptr == LB) {
+                       *bptr = '<';
+                       bptr ++;
+               }
+               else if (*aptr == RB) {
+                       *bptr = '>';
+                       bptr ++;
+               }
+               else if (*aptr == QU) {
+                       *bptr ='"';
+                       bptr ++;
+               }
+               else if ((*aptr == 32) && (nbsp == 1)) {
+                       memcpy(bptr, "&nbsp;", 6);
+                       bptr += 6;
+               }
+               else if ((*aptr == '\n') && (nolinebreaks)) {
+                       *bptr='\0';     /* nothing */
+               }
+               else if ((*aptr == '\r') && (nolinebreaks)) {
+                       *bptr='\0';     /* nothing */
+               }
+               else{
+                       *bptr = *aptr;
+                       bptr++;
+               }
+               aptr ++;
        }
+       *bptr = '\0';
+       if ((bptr = eptr - 1 ) && !IsEmptyStr(aptr) )
+               return -1;
+       return (bptr - target);
 }
 
 /**
@@ -247,10 +278,12 @@ void stresc(char *target, char *strbuf, int nbsp, int nolinebreaks)
 void escputs1(char *strbuf, int nbsp, int nolinebreaks)
 {
        char *buf;
+       long Siz;
 
        if (strbuf == NULL) return;
-       buf = malloc( (3 * strlen(strbuf)) + SIZ );
-       stresc(buf, strbuf, nbsp, nolinebreaks);
+       Siz = (3 * strlen(strbuf)) + SIZ ;
+       buf = malloc(Siz);
+       stresc(buf, Siz, strbuf, nbsp, nolinebreaks);
        wprintf("%s", buf);
        free(buf);
 }
@@ -264,35 +297,6 @@ void escputs(char *strbuf)
        escputs1(strbuf, 0, 0);
 }
 
-/** 
- * \brief Escape a string for feeding out as a URL.
- * \param outbuf the output buffer
- * \param strbuf the input buffer
- */
-void urlesc(char *outbuf, char *strbuf)
-{
-       int a, b, c, len, eclen, olen;
-       char *ec = " #&;`'|*?-~<>^()[]{}/$\"\\";
-
-       strcpy(outbuf, "");
-       len = strlen(strbuf);
-       eclen = strlen(ec);
-       olen = 0;
-       for (a = 0; a < len; ++a) {
-               c = 0;
-               for (b = 0; b < eclen; ++b) {
-                       if (strbuf[a] == ec[b])
-                               c = 1;
-               }
-               if (c == 1) {
-                       sprintf(&outbuf[olen], "%%%02x", strbuf[a]);
-                       olen += 3;
-               }
-               else 
-                       outbuf[olen ++] = strbuf[a];
-       }
-       outbuf[olen] = '\0';
-}
 
 /**
  * \brief urlescape buffer and print it to the client
@@ -302,7 +306,7 @@ void urlescputs(char *strbuf)
 {
        char outbuf[SIZ];
        
-       urlesc(outbuf, strbuf);
+       urlesc(outbuf, SIZ, strbuf);
        wprintf("%s", outbuf);
 }
 
@@ -312,27 +316,59 @@ void urlescputs(char *strbuf)
  * \param target output string
  * \param strbuf input string
  */
-void jsesc(char *target, char *strbuf)
+void jsesc(char *target, size_t tlen, char *strbuf)
 {
-       int a, len;
+       int len;
+       char *tend;
+       char *send;
+       char *tptr;
+       char *sptr;
 
        target[0]='\0';
        len = strlen (strbuf);
-       for (a = 0; a < len; ++a) {
-               if (strbuf[a] == '<')
-                       strcat(target, "[");
-               else if (strbuf[a] == '>')
-                       strcat(target, "]");
-               else if (strbuf[a] == '\"')
-                       strcat(target, "&quot;");
-               else if (strbuf[a] == '&')
-                       strcat(target, "&amp;;");
-               else if (strbuf[a] == '\'') 
-                       strcat(target, "\\'");
-               else {
-                       strncat(target, &strbuf[a], 1);
+       send = strbuf + len;
+       tend = target + tlen;
+       sptr = strbuf;
+       tptr = target;
+       
+       while (!IsEmptyStr(sptr) && 
+              (sptr < send) &&
+              (tptr < tend)) {
+              
+               if (*sptr == '<')
+                       *tptr = '[';
+               else if (*sptr == '>')
+                       *tptr = ']';
+               else if (*sptr == '\'') {
+                       if (tend - tptr < 3)
+                               return;
+                       *(tptr++) = '\\';
+                       *tptr = '\'';
+               }
+               else if (*sptr == '"') {
+                       if (tend - tptr < 8)
+                               return;
+                       *(tptr++) = '&';
+                       *(tptr++) = 'q';
+                       *(tptr++) = 'u';
+                       *(tptr++) = 'o';
+                       *(tptr++) = 't';
+                       *tptr = ';';
+               }
+               else if (*sptr == '&') {
+                       if (tend - tptr < 7)
+                               return;
+                       *(tptr++) = '&';
+                       *(tptr++) = 'a';
+                       *(tptr++) = 'm';
+                       *(tptr++) = 'p';
+                       *tptr = ';';
+               } else {
+                       *tptr = *sptr;
                }
+               tptr++; sptr++;
        }
+       *tptr = '\0';
 }
 
 /**
@@ -343,7 +379,7 @@ void jsescputs(char *strbuf)
 {
        char outbuf[SIZ];
        
-       jsesc(outbuf, strbuf);
+       jsesc(outbuf, SIZ, strbuf);
        wprintf("%s", outbuf);
 }
 
@@ -352,23 +388,43 @@ void jsescputs(char *strbuf)
  * \param target target buffer
  * \param strbuf source buffer
  */
-void msgesc(char *target, char *strbuf)
+void msgesc(char *target, size_t tlen, char *strbuf)
 {
-       int a, len;
+       int len;
+       char *tend;
+       char *send;
+       char *tptr;
+       char *sptr;
 
-       *target='\0';
-       len = strlen(strbuf);
-       for (a = 0; a < len; ++a) {
-               if (strbuf[a] == '\n')
-                       strcat(target, " ");
-               else if (strbuf[a] == '\r')
-                       strcat(target, " ");
-               else if (strbuf[a] == '\'')
-                       strcat(target, "&#39;");
-               else {
-                       strncat(target, &strbuf[a], 1);
+       target[0]='\0';
+       len = strlen (strbuf);
+       send = strbuf + len;
+       tend = target + tlen;
+       sptr = strbuf;
+       tptr = target;
+
+       while (!IsEmptyStr(sptr) && 
+              (sptr < send) &&
+              (tptr < tend)) {
+              
+               if (*sptr == '\n')
+                       *tptr = ' ';
+               else if (*sptr == '\r')
+                       *tptr = ' ';
+               else if (*sptr == '\'') {
+                       if (tend - tptr < 8)
+                               return;
+                       *(tptr++) = '&';
+                       *(tptr++) = '#';
+                       *(tptr++) = '3';
+                       *(tptr++) = '9';
+                       *tptr = ';';
+               } else {
+                       *tptr = *sptr;
                }
+               tptr++; sptr++;
        }
+       *tptr = '\0';
 }
 
 /**
@@ -385,8 +441,8 @@ void msgescputs1( char *strbuf)
        buflen = 3 * strlen(strbuf) + SIZ;
        outbuf = malloc( buflen);
        outbuf2 = malloc( buflen);
-       msgesc(outbuf, strbuf);
-       stresc(outbuf2, outbuf, 0, 0);
+       msgesc(outbuf, buflen, strbuf);
+       stresc(outbuf2, buflen, outbuf, 0, 0);
        wprintf("%s", outbuf2);
        free(outbuf);
        free(outbuf2);
@@ -398,10 +454,12 @@ void msgescputs1( char *strbuf)
  */
 void msgescputs(char *strbuf) {
        char *outbuf;
+       size_t len;
 
        if (strbuf == NULL) return;
-       outbuf = malloc( (3 * strlen(strbuf)) + SIZ);
-       msgesc(outbuf, strbuf);
+       len =  (3 * strlen(strbuf)) + SIZ;
+       outbuf = malloc(len);
+       msgesc(outbuf, len, strbuf);
        wprintf("%s", outbuf);
        free(outbuf);
 }
@@ -434,7 +492,7 @@ void output_headers(        int do_httpheaders,     /**< 1 = output HTTP headers
                wprintf("Content-type: text/html; charset=utf-8\r\n"
                        "Server: %s / %s\n"
                        "Connection: close\r\n",
-                       SERVER, serv_info.serv_software
+                       PACKAGE_STRING, serv_info.serv_software
                );
        }
 
@@ -452,7 +510,7 @@ void output_headers(        int do_httpheaders,     /**< 1 = output HTTP headers
                );
        }
 
-       stuff_to_cookie(cookie, WC->wc_session, WC->wc_username,
+       stuff_to_cookie(cookie, 1024, WC->wc_session, WC->wc_username,
                        WC->wc_password, WC->wc_roomname);
 
        if (unset_cookies) {
@@ -480,14 +538,15 @@ void output_headers(      int do_httpheaders,     /**< 1 = output HTTP headers
 
                /** check for ImportantMessages (these display in a div overlaying the main screen) */
                if (!IsEmptyStr(WC->ImportantMessage)) {
-                       wprintf("<div id=\"important_message\">\n");
-                       wprintf("<span class=\"imsg\">"
-                               "%s</span><br />\n", WC->ImportantMessage);
-                       wprintf("</div>\n");
-                       wprintf("<script type=\"text/javascript\">\n"
-                               "        setTimeout('hide_imsg_popup()', 3000); \n"
+                       wprintf("<div id=\"important_message\">\n"
+                               "<span class=\"imsg\">");
+                       escputs(WC->ImportantMessage);
+                       wprintf("</span><br />\n"
+                               "</div>\n"
+                               "<script type=\"text/javascript\">\n"
+                               "        setTimeout('hide_imsg_popup()', 5000); \n"
                                "</script>\n");
-                       safestrncpy(WC->ImportantMessage, "", sizeof WC->ImportantMessage);
+                       WC->ImportantMessage[0] = 0;
                }
 
                if ( (WC->logged_in) && (!unset_cookies) ) {
@@ -530,7 +589,7 @@ void http_redirect(char *whichpage) {
 /**
  * \brief Output a piece of content to the web browser
  */
-void http_transmit_thing(char *thing, size_t length, char *content_type,
+void http_transmit_thing(char *thing, size_t length, const char *content_type,
                         int is_static) {
 
        output_headers(0, 0, 0, 0, 0, is_static);
@@ -539,15 +598,15 @@ void http_transmit_thing(char *thing, size_t length, char *content_type,
                "Server: %s\r\n"
                "Connection: close\r\n",
                content_type,
-               SERVER);
+               PACKAGE_STRING);
 
 #ifdef HAVE_ZLIB
        /** If we can send the data out compressed, please do so. */
        if (WC->gzip_ok) {
                char *compressed_data = NULL;
-               uLongf compressed_len;
+               size_t compressed_len;
 
-               compressed_len = (uLongf) ((length * 101) / 100) + 100;
+               compressed_len =  ((length * 101) / 100) + 100;
                compressed_data = malloc(compressed_len);
 
                if (compress_gzip((Bytef *) compressed_data,
@@ -618,6 +677,8 @@ void output_static(char *what)
        FILE *fp;
        struct stat statbuf;
        off_t bytes;
+       off_t count = 0;
+       size_t res;
        char *bigbuffer;
        char content_type[128];
        int len;
@@ -625,10 +686,10 @@ void output_static(char *what)
        fp = fopen(what, "rb");
        if (fp == NULL) {
                lprintf(9, "output_static('%s')  -- NOT FOUND --\n", what);
-               wprintf("HTTP/1.1 404 %s\n", strerror(errno));
+               wprintf("HTTP/1.1 404 %s\r\n", strerror(errno));
                wprintf("Content-Type: text/plain\r\n");
                wprintf("\r\n");
-               wprintf("Cannot open %s: %s\n", what, strerror(errno));
+               wprintf("Cannot open %s: %s\r\n", what, strerror(errno));
        } else {
                len = strlen (what);
                if (!strncasecmp(&what[len - 4], ".gif", 4))
@@ -662,10 +723,35 @@ void output_static(char *what)
                else
                        safestrncpy(content_type, "application/octet-stream", sizeof content_type);
 
-               fstat(fileno(fp), &statbuf);
+               if (fstat(fileno(fp), &statbuf) == -1) {
+                       lprintf(9, "output_static('%s')  -- FSTAT FAILED --\n", what);
+                       wprintf("HTTP/1.1 404 %s\r\n", strerror(errno));
+                       wprintf("Content-Type: text/plain\r\n");
+                       wprintf("\r\n");
+                       wprintf("Cannot fstat %s: %s\n", what, strerror(errno));
+                       return;
+               }
+
+               count = 0;
                bytes = statbuf.st_size;
-               bigbuffer = malloc(bytes + 2);
-               fread(bigbuffer, bytes, 1, fp);
+               if ((bigbuffer = malloc(bytes + 2)) == NULL) {
+                       lprintf(9, "output_static('%s')  -- MALLOC FAILED (%s) --\n", what, strerror(errno));
+                       wprintf("HTTP/1.1 500 internal server error\r\n");
+                       wprintf("Content-Type: text/plain\r\n");
+                       wprintf("\r\n");
+                       return;
+               }
+               while (count < bytes) {
+                       if ((res = fread(bigbuffer + count, 1, bytes - count, fp)) == 0) {
+                               lprintf(9, "output_static('%s')  -- FREAD FAILED (%s) %zu bytes of %zu --\n", what, strerror(errno), bytes - count, bytes);
+                               wprintf("HTTP/1.1 500 internal server error \r\n");
+                               wprintf("Content-Type: text/plain\r\n");
+                               wprintf("\r\n");
+                               return;
+                       }
+                       count += res;
+               }
+
                fclose(fp);
 
                lprintf(9, "output_static('%s')  %s\n", what, content_type);
@@ -678,6 +764,43 @@ void output_static(char *what)
 }
 
 
+
+typedef struct _MimeGuess {
+       const char *Pattern;
+       size_t PatternLen;
+       long PatternOffset;
+       const char *MimeString;
+} MimeGuess;
+
+MimeGuess MyMimes [] = {
+       {
+               "GIF",
+               3,
+               0,
+               "image/gif"
+       },
+       {
+               "\xff\xd8",
+               2,
+               0,
+               "image/jpeg"
+       },
+       {
+               "\x89PNG",
+               4,
+               0,
+               "image/png"
+       },
+       { // last...
+               "",
+               0,
+               0,
+               ""
+       }
+};
+
+
+
 /**
  * \brief When the browser requests an image file from the Citadel server,
  * this function is called to transmit it.
@@ -687,6 +810,7 @@ void output_image()
        char buf[SIZ];
        char *xferbuf = NULL;
        off_t bytes;
+       int MimeIndex = 0;
 
        serv_printf("OIMG %s|%s", bstr("name"), bstr("parm"));
        serv_getln(buf, sizeof buf);
@@ -699,20 +823,37 @@ void output_image()
                serv_puts("CLOS");
                serv_getln(buf, sizeof buf);
 
+               while (MyMimes[MimeIndex].PatternLen != 0)
+               {
+                       if (strncmp(MyMimes[MimeIndex].Pattern, 
+                                   &xferbuf[MyMimes[MimeIndex].PatternOffset], 
+                                   MyMimes[MimeIndex].PatternLen) == 0)
+                               break;
+                       MimeIndex ++;
+               }
+
                /** Write it to the browser */
-               http_transmit_thing(xferbuf, (size_t)bytes, "image/gif", 0);
+               if (MyMimes[MimeIndex].PatternLen != 0)
+               {
+                       http_transmit_thing(xferbuf, 
+                                           (size_t)bytes, 
+                                           MyMimes[MimeIndex].MimeString, 
+                                           0);
+                       free(xferbuf);
+                       return;
+               }
+               /* hm... unknown mimetype? fallback to blank gif */
                free(xferbuf);
+       } 
 
-       } else {
-               /**
-                * Instead of an ugly 404, send a 1x1 transparent GIF
-                * when there's no such image on the server.
-                */
-               output_static("static/blank.gif");
-       }
-
-
-
+       
+       /**
+        * Instead of an ugly 404, send a 1x1 transparent GIF
+        * when there's no such image on the server.
+        */
+       char blank_gif[SIZ];
+       snprintf (blank_gif, SIZ, "%s%s", static_dirs[0], "/blank.gif");
+       output_static(blank_gif);
 }
 
 /**
@@ -839,13 +980,13 @@ void offer_start_page(void) {
        wprintf("\">");
        wprintf(_("Make this my start page"));
        wprintf("</a>");
-/*
+#ifdef TECH_PREVIEW
        wprintf("<br/><a href=\"rss?room=");
        urlescputs(WC->wc_roomname);
        wprintf("\" title=\"RSS 2.0 feed for ");
        escputs(WC->wc_roomname);
        wprintf("\"><img alt=\"RSS\" border=\"0\" src=\"static/xml_button.gif\"/></a>\n");
-*/
+#endif
 }
 
 
@@ -966,7 +1107,7 @@ void begin_ajax_response(void) {
                 "Cache-Control: no-cache\r\n"
                "Expires: -1\r\n"
                ,
-                SERVER);
+                PACKAGE_STRING);
         begin_burst();
 }
 
@@ -1197,7 +1338,7 @@ void session_loop(struct httprequest *req)
        if (ContentLength > 0) {
                content = malloc(ContentLength + SIZ);
                memset(content, 0, ContentLength + SIZ);
-               sprintf(content, "Content-type: %s\n"
+               snprintf(content,  ContentLength + SIZ, "Content-type: %s\n"
                                "Content-length: %d\n\n",
                                ContentType, ContentLength);
                body_start = strlen(content);
@@ -1277,7 +1418,7 @@ void session_loop(struct httprequest *req)
                        wprintf("HTTP/1.1 404 Security check failed\r\n");
                        wprintf("Content-Type: text/plain\r\n");
                        wprintf("\r\n");
-                       wprintf("Security check failed.\r\n");
+                       wprintf("You have sent a malformed or invalid request.\r\n");
                }
                goto SKIP_ALL_THIS_CRAP;        /* Don't try to connect */
        }
@@ -1303,7 +1444,7 @@ void session_loop(struct httprequest *req)
        if (!WC->connected) {
                if (!strcasecmp(ctdlhost, "uds")) {
                        /* unix domain socket */
-                       sprintf(buf, "%s/citadel.socket", ctdlport);
+                       snprintf(buf, SIZ, "%s/citadel.socket", ctdlport);
                        WC->serv_sock = uds_connectsock(buf);
                }
                else {
@@ -1387,10 +1528,12 @@ void session_loop(struct httprequest *req)
        }
 
        /** This needs to run early */
+#ifdef TECH_PREVIEW
        if (!strcasecmp(action, "rss")) {
                display_rss(bstr("room"), request_method);
                goto SKIP_ALL_THIS_CRAP;
        }
+#endif
 
        /** 
         * The GroupDAV stuff relies on HTTP authentication instead of
@@ -1473,6 +1616,8 @@ void session_loop(struct httprequest *req)
                url_do_template();
        } else if (!strcasecmp(action, "display_aide_menu")) {
                display_aide_menu();
+       } else if (!strcasecmp(action, "server_shutdown")) {
+               display_shutdown();
        } else if (!strcasecmp(action, "display_main_menu")) {
                display_main_menu();
        } else if (!strcasecmp(action, "who")) {
@@ -1499,6 +1644,10 @@ void session_loop(struct httprequest *req)
                begin_ajax_response();
                calendar_section();
                end_ajax_response();
+       } else if (!strcasecmp(action, "mini_calendar")) {
+               begin_ajax_response();
+               ajax_mini_calendar();
+               end_ajax_response();
        } else if (!strcasecmp(action, "iconbar_ajax_menu")) {
                begin_ajax_response();
                do_iconbar();
@@ -1590,7 +1739,7 @@ void session_loop(struct httprequest *req)
        } else if (!strcasecmp(action, "editinfo")) {
                save_edit(_("Room info"), "EINF 1", 1);
        } else if (!strcasecmp(action, "display_editbio")) {
-               sprintf(buf, "RBIO %s", WC->wc_fullname);
+               snprintf(buf, SIZ, "RBIO %s", WC->wc_fullname);
                display_edit(_("Your bio"), "NOOP", buf, "editbio", 3);
        } else if (!strcasecmp(action, "editbio")) {
                save_edit(_("Your bio"), "EBIO", 0);
@@ -1600,18 +1749,35 @@ void session_loop(struct httprequest *req)
                delete_room();
        } else if (!strcasecmp(action, "validate")) {
                validate();
+               /* The users photo display / upload facility */
        } else if (!strcasecmp(action, "display_editpic")) {
                display_graphics_upload(_("your photo"),
                                        "UIMG 0|_userpic_",
                                        "editpic");
        } else if (!strcasecmp(action, "editpic")) {
                do_graphics_upload("UIMG 1|_userpic_");
+                /* room picture dispay / upload facility */
        } else if (!strcasecmp(action, "display_editroompic")) {
                display_graphics_upload(_("the icon for this room"),
                                        "UIMG 0|_roompic_",
                                        "editroompic");
        } else if (!strcasecmp(action, "editroompic")) {
                do_graphics_upload("UIMG 1|_roompic_");
+               /* the greetingpage hello pic */
+       } else if (!strcasecmp(action, "display_edithello")) {
+               display_graphics_upload(_("the Greetingpicture for the login prompt"),
+                                       "UIMG 0|hello.gif",
+                                       "edithellopic");
+       } else if (!strcasecmp(action, "edithellopic")) {
+               do_graphics_upload("UIMG 1|hello.gif");
+               /* the logoff banner */
+       } else if (!strcasecmp(action, "display_editgoodbyepic")) {
+               display_graphics_upload(_("the Logoff banner picture"),
+                                       "UIMG 0|goodbuye.gif",
+                                       "editgoodbuyepic");
+       } else if (!strcasecmp(action, "editgoodbuyepic")) {
+               do_graphics_upload("UIMG 1|goodbuye.gif");
+
        } else if (!strcasecmp(action, "delete_floor")) {
                delete_floor();
        } else if (!strcasecmp(action, "rename_floor")) {
@@ -1619,13 +1785,13 @@ void session_loop(struct httprequest *req)
        } else if (!strcasecmp(action, "create_floor")) {
                create_floor();
        } else if (!strcasecmp(action, "display_editfloorpic")) {
-               sprintf(buf, "UIMG 0|_floorpic_|%s",
+               snprintf(buf, SIZ, "UIMG 0|_floorpic_|%s",
                        bstr("which_floor"));
                display_graphics_upload(_("the icon for this floor"),
                                        buf,
                                        "editfloorpic");
        } else if (!strcasecmp(action, "editfloorpic")) {
-               sprintf(buf, "UIMG 1|_floorpic_|%s",
+               snprintf(buf, SIZ, "UIMG 1|_floorpic_|%s",
                        bstr("which_floor"));
                do_graphics_upload(buf);
        } else if (!strcasecmp(action, "display_reg")) {
@@ -1729,6 +1895,10 @@ void session_loop(struct httprequest *req)
                display_sieve();
        } else if (!strcasecmp(action, "save_sieve")) {
                save_sieve();
+       } else if (!strcasecmp(action, "display_pushemail")) {
+               display_pushemail();
+       } else if (!strcasecmp(action, "save_pushemail")) {
+               save_pushemail();
        } else if (!strcasecmp(action, "display_add_remove_scripts")) {
                display_add_remove_scripts(NULL);
        } else if (!strcasecmp(action, "create_script")) {
@@ -1791,5 +1961,18 @@ SKIP_ALL_THIS_CRAP:
        }
 }
 
+/**
+ * \brief Replacement for sleep() that uses select() in order to avoid SIGALRM
+ * \param seconds how many seconds should we sleep?
+ */
+void sleeeeeeeeeep(int seconds)
+{
+       struct timeval tv;
+
+       tv.tv_sec = seconds;
+       tv.tv_usec = 0;
+       select(0, NULL, NULL, NULL, &tv);
+}
+
 
 /*@}*/