]> code.citadel.org Git - citadel.git/blobdiff - webcit/messages.c
* Created IsEmptyStr define to be used rather then using some weird strlen constructs
[citadel.git] / webcit / messages.c
index d5438d38897964b0008c092c082f845bed32fb4a..2635365b21c7a3c98ac5fabcc1ae33d59cd0593a 100644 (file)
@@ -74,7 +74,7 @@ void utf8ify_rfc822_string(char *buf) {
        char *isav;                     /**< Saved pointer to input buffer */
        char *osav;                     /**< Saved pointer to output buffer */
        int passes = 0;
-       int i;
+       int i, len;
        int illegal_non_rfc2047_encoding = 0;
 
        /** Sometimes, badly formed messages contain strings which were simply
@@ -83,9 +83,11 @@ void utf8ify_rfc822_string(char *buf) {
         *  handle it anyway by converting from a user-specified default
         *  charset to UTF-8 if we see any nonprintable characters.
         */
-       for (i=0; i<strlen(buf); ++i) {
+       len = strlen(buf);
+       for (i=0; i<len; ++i) {
                if ((buf[i] < 32) || (buf[i] > 126)) {
                        illegal_non_rfc2047_encoding = 1;
+                       i = len; ///< take a shortcut, it won't be more than one.
                }
        }
        if (illegal_non_rfc2047_encoding) {
@@ -211,14 +213,15 @@ void utf8ify_rfc822_string(char *buf) {
 void rfc2047encode(char *target, int maxlen, char *source)
 {
        int need_to_encode = 0;
-       int i;
+       int i, len;
        unsigned char ch;
 
        if (target == NULL) return;
-
-       for (i=0; i<strlen(source); ++i) {
+       len = strlen(source);
+       for (i=0; i<len; ++i) {
                if ((source[i] < 32) || (source[i] > 126)) {
                        need_to_encode = 1;
+                       i = len; ///< shortcut. won't become more than 1
                }
        }
 
@@ -228,7 +231,7 @@ void rfc2047encode(char *target, int maxlen, char *source)
        }
 
        strcpy(target, "=?UTF-8?Q?");
-       for (i=0; i<strlen(source); ++i) {
+       for (i=0; i<len; ++i) {
                ch = (unsigned char) source[i];
                if ((ch < 32) || (ch > 126) || (ch == 61)) {
                        sprintf(&target[strlen(target)], "=%02X", ch);
@@ -251,15 +254,14 @@ void rfc2047encode(char *target, int maxlen, char *source)
  */
 void url(char *buf)
 {
-
-       int pos;
+       int pos, len;
        int start, end;
        char urlbuf[SIZ];
        char outbuf[1024];
        start = (-1);
-       end = strlen(buf);
+       len = end = strlen(buf);
 
-       for (pos = 0; pos < strlen(buf); ++pos) {
+       for (pos = 0; pos < len; ++pos) {
                if (!strncasecmp(&buf[pos], "http://", 7))
                        start = pos;
                if (!strncasecmp(&buf[pos], "ftp://", 6))
@@ -269,7 +271,7 @@ void url(char *buf)
        if (start < 0)
                return;
 
-       for (pos = strlen(buf); pos > start; --pos) {
+       for (pos = len; pos > start; --pos) {
                if (  (!isprint(buf[pos]))
                   || (isspace(buf[pos]))
                   || (buf[pos] == '{')
@@ -308,29 +310,32 @@ void url(char *buf)
 void vcard_n_prettyize(char *name)
 {
        char *original_name;
-       int i;
+       int i, j, len;
 
        original_name = strdup(name);
+       len = strlen(original_name);
        for (i=0; i<5; ++i) {
-               if (strlen(original_name) > 0) {
-                       if (original_name[strlen(original_name)-1] == ' ') {
-                               original_name[strlen(original_name)-1] = 0;
+               if (len > 0) {
+                       if (original_name[len-1] == ' ') {
+                               original_name[--len] = 0;
                        }
-                       if (original_name[strlen(original_name)-1] == ';') {
-                               original_name[strlen(original_name)-1] = 0;
+                       if (original_name[len-1] == ';') {
+                               original_name[--len] = 0;
                        }
                }
        }
        strcpy(name, "");
-       for (i=0; i<strlen(original_name); ++i) {
+       j=0;
+       for (i=0; i<len; ++i) {
                if (original_name[i] == ';') {
-                       strcat(name, ", ");
+                       name[j++] = ',';
+                       name[j++] = ' ';                        
                }
                else {
-                       name[strlen(name)+1] = 0;
-                       name[strlen(name)] = original_name[i];
+                       name[j++] = original_name[i];
                }
        }
+       name[j] = '\0';
        free(original_name);
 }
 
@@ -422,7 +427,7 @@ void display_parsed_vcard(struct vCard *v, int full) {
        for (pass=1; pass<=2; ++pass) {
 
                if (v->numprops) for (i=0; i<(v->numprops); ++i) {
-
+                       int len;
                        thisname = strdup(v->prop[i].name);
                        extract_token(firsttoken, thisname, 0, ';', sizeof firsttoken);
        
@@ -437,16 +442,20 @@ void display_parsed_vcard(struct vCard *v, int full) {
                                        remove_token(thisname, j, ';');
                                }
                        }
+                       
+                       len = strlen(v->prop[i].value);
        
                        if (is_qp) {
-                               thisvalue = malloc(strlen(v->prop[i].value) + 50);
+                               // %ff can become 6 bytes in utf8 
+                               thisvalue = malloc(len * 2 + 3); 
                                j = CtdlDecodeQuotedPrintable(
                                        thisvalue, v->prop[i].value,
-                                       strlen(v->prop[i].value) );
+                                       len);
                                thisvalue[j] = 0;
                        }
                        else if (is_b64) {
-                               thisvalue = malloc(strlen(v->prop[i].value) + 50);
+                               // ff will become one byte..
+                               thisvalue = malloc(len + 50);
                                CtdlDecodeBase64(
                                        thisvalue, v->prop[i].value,
                                        strlen(v->prop[i].value) );
@@ -459,7 +468,7 @@ void display_parsed_vcard(struct vCard *v, int full) {
        
                        /** N is name, but only if there's no FN already there */
                        if (!strcasecmp(firsttoken, "n")) {
-                               if (strlen(fullname) == 0) {
+                               if (IsEmptyStr(fullname)) {
                                        strcpy(fullname, thisvalue);
                                        vcard_n_prettyize(fullname);
                                }
@@ -481,7 +490,7 @@ void display_parsed_vcard(struct vCard *v, int full) {
                        }
        
                        else if (!strcasecmp(firsttoken, "email")) {
-                               if (strlen(mailto) > 0) strcat(mailto, "<br />");
+                               if (!IsEmptyStr(mailto)) strcat(mailto, "<br />");
                                strcat(mailto,
                                        "<a href=\"display_enter"
                                        "?force_room=_MAIL_?recp=");
@@ -496,7 +505,7 @@ void display_parsed_vcard(struct vCard *v, int full) {
                                strcat(mailto, "</A>");
                        }
                        else if (!strcasecmp(firsttoken, "tel")) {
-                               if (strlen(phone) > 0) strcat(phone, "<br />");
+                               if (!IsEmptyStr(phone)) strcat(phone, "<br />");
                                strcat(phone, thisvalue);
                                for (j=0; j<num_tokens(thisname, ';'); ++j) {
                                        extract_token(buf, thisname, j, ';', sizeof buf);
@@ -522,7 +531,7 @@ void display_parsed_vcard(struct vCard *v, int full) {
                                        wprintf("</TD><TD>");
                                        for (j=0; j<num_tokens(thisvalue, ';'); ++j) {
                                                extract_token(buf, thisvalue, j, ';', sizeof buf);
-                                               if (strlen(buf) > 0) {
+                                               if (!IsEmptyStr(buf)) {
                                                        escputs(buf);
                                                        if (j<3) wprintf("<br />");
                                                        else wprintf(" ");
@@ -564,24 +573,24 @@ void display_parsed_vcard(struct vCard *v, int full) {
                        "<FONT SIZE=+1><B>");
                        escputs(fullname);
                        wprintf("</B></FONT>");
-                       if (strlen(title) > 0) {
+                       if (!IsEmptyStr(title)) {
                                wprintf("<div align=right>");
                                escputs(title);
                                wprintf("</div>");
                        }
-                       if (strlen(org) > 0) {
+                       if (!IsEmptyStr(org)) {
                                wprintf("<div align=right>");
                                escputs(org);
                                wprintf("</div>");
                        }
                        wprintf("</TD></TR>\n");
                
-                       if (strlen(phone) > 0) {
+                       if (!IsEmptyStr(phone)) {
                                wprintf("<tr><td>");
                                wprintf(_("Telephone:"));
                                wprintf("</td><td>%s</td></tr>\n", phone);
                        }
-                       if (strlen(mailto) > 0) {
+                       if (!IsEmptyStr(mailto)) {
                                wprintf("<tr><td>");
                                wprintf(_("E-mail:"));
                                wprintf("</td><td>%s</td></tr>\n", mailto);
@@ -711,8 +720,99 @@ void read_message(long msgnum, int printable_view, char *section) {
                 wprintf("onMouseOut=document.getElementById(\"msg%ld\").style.visibility=\"hidden\" >", msgnum);
         }
 
+        /** start msg buttons */
+
+        if (!printable_view) {
+                wprintf("<p id=\"msg%ld\" class=\"msgbuttons\" >\n",msgnum);
+
+               /** Reply */
+               if ( (WC->wc_view == VIEW_MAILBOX) || (WC->wc_view == VIEW_BBS) ) {
+                       wprintf("<a href=\"display_enter");
+                       if (WC->is_mailbox) {
+                               wprintf("?replyquote=%ld", msgnum);
+                       }
+                       wprintf("?recp=");
+                       urlescputs(reply_to);
+                       if (!IsEmptyStr(m_subject)) {
+                               wprintf("?subject=");
+                               if (strncasecmp(m_subject, "Re:", 3)) wprintf("Re:%20");
+                               urlescputs(m_subject);
+                       }
+                       wprintf("\"><span>[</span>%s<span>]</span></a> ", _("Reply"));
+               }
+
+               /** ReplyQuoted */
+               if ( (WC->wc_view == VIEW_MAILBOX) || (WC->wc_view == VIEW_BBS) ) {
+                       if (!WC->is_mailbox) {
+                               wprintf("<a href=\"display_enter");
+                               wprintf("?replyquote=%ld", msgnum);
+                               wprintf("?recp=");
+                               urlescputs(reply_to);
+                               if (!IsEmptyStr(m_subject)) {
+                                       wprintf("?subject=");
+                                       if (strncasecmp(m_subject, "Re:", 3)) wprintf("Re:%20");
+                                       urlescputs(m_subject);
+                               }
+                               wprintf("\"><span>[</span>%s<span>]</span></a> ", _("ReplyQuoted"));
+                       }
+               }
+
+               /** ReplyAll */
+               if (WC->wc_view == VIEW_MAILBOX) {
+                       wprintf("<a href=\"display_enter");
+                       wprintf("?replyquote=%ld", msgnum);
+                       wprintf("?recp=");
+                       urlescputs(reply_to);
+                       wprintf("?cc=");
+                       urlescputs(reply_all);
+                       if (!IsEmptyStr(m_subject)) {
+                               wprintf("?subject=");
+                               if (strncasecmp(m_subject, "Re:", 3)) wprintf("Re:%20");
+                               urlescputs(m_subject);
+                       }
+                       wprintf("\"><span>[</span>%s<span>]</span></a> ", _("ReplyAll"));
+               }
+
+               /** Forward */
+               if (WC->wc_view == VIEW_MAILBOX) {
+                       wprintf("<a href=\"display_enter?fwdquote=%ld?subject=", msgnum);
+                       if (strncasecmp(m_subject, "Fwd:", 4)) wprintf("Fwd:%20");
+                       urlescputs(m_subject);
+                       wprintf("\"><span>[</span>%s<span>]</span></a> ", _("Forward"));
+               }
+
+               /** If this is one of my own rooms, or if I'm an Aide or Room Aide, I can move/delete */
+               if ( (WC->is_room_aide) || (WC->is_mailbox) || (WC->room_flags2 & QR2_COLLABDEL) ) {
+                       /** Move */
+                       wprintf("<a href=\"confirm_move_msg?msgid=%ld\"><span>[</span>%s<span>]</span></a> ",
+                               msgnum, _("Move"));
+       
+                       /** Delete */
+                       wprintf("<a href=\"delete_msg?msgid=%ld\" "
+                               "onClick=\"return confirm('%s');\">"
+                               "<span>[</span>%s<span>]</span> "
+                               "</a> ", msgnum, _("Delete this message?"), _("Delete")
+                       );
+               }
+
+               /** Headers */
+               wprintf("<a href=\"#\" onClick=\"window.open('msgheaders/%ld', 'headers%ld', 'toolbar=no,location=no,directories=no,copyhistory=no,status=yes,scrollbars=yes,resizable=yes,width=600,height=400'); \" >"
+                       "<span>[</span>%s<span>]</span></a>", msgnum, msgnum, _("Headers"));
+
+
+               /** Print */
+               wprintf("<a href=\"#\" onClick=\"window.open('printmsg/%ld', 'print%ld', 'toolbar=no,location=no,directories=no,copyhistory=no,status=yes,scrollbars=yes,resizable=yes,width=600,height=400'); \" >"
+                       "<span>[</span>%s<span>]</span></a>", msgnum, msgnum, _("Print"));
+
+               wprintf("</p>");
+
+       }
+
        /** begin message header table */
        wprintf("<div class=\"message_header\">");
+
+
+
        strcpy(m_subject, "");
        strcpy(m_cc, "");
 
@@ -732,6 +832,7 @@ void read_message(long msgnum, int printable_view, char *section) {
                        format_type = atoi(&buf[5]);
                if (!strncasecmp(buf, "from=", 5)) {
                        strcpy(from, &buf[5]);
+                       wprintf("<br />");
                        wprintf(_("from "));
                        wprintf("<a href=\"showuser?who=");
 #ifdef HAVE_ICONV
@@ -746,12 +847,14 @@ void read_message(long msgnum, int printable_view, char *section) {
                        safestrncpy(m_subject, &buf[5], sizeof m_subject);
                }
                if (!strncasecmp(buf, "cccc=", 5)) {
+                       int len;
                        safestrncpy(m_cc, &buf[5], sizeof m_cc);
-                       if (strlen(reply_all) > 0) {
+                       if (!IsEmptyStr(reply_all)) {
                                strcat(reply_all, ", ");
                        }
-                       safestrncpy(&reply_all[strlen(reply_all)], &buf[5],
-                               (sizeof reply_all - strlen(reply_all)) );
+                       len = strlen(reply_all);
+                       safestrncpy(&reply_all[len], &buf[5],
+                               (sizeof reply_all - len) );
                }
                if ((!strncasecmp(buf, "hnod=", 5))
                    && (strcasecmp(&buf[5], serv_info.serv_humannode))) {
@@ -759,7 +862,7 @@ void read_message(long msgnum, int printable_view, char *section) {
                }
                if ((!strncasecmp(buf, "room=", 5))
                    && (strcasecmp(&buf[5], WC->wc_roomname))
-                   && (strlen(&buf[5])>0) ) {
+                   && (!IsEmptyStr(&buf[5])) ) {
                        wprintf(_("in "));
                        wprintf("%s&gt; ", &buf[5]);
                }
@@ -775,18 +878,20 @@ void read_message(long msgnum, int printable_view, char *section) {
                        if ( ((WC->room_flags & QR_NETWORK)
                        || ((strcasecmp(&buf[5], serv_info.serv_nodename)
                        && (strcasecmp(&buf[5], serv_info.serv_fqdn)))))
-                       && (strlen(rfca)==0)
+                       && (IsEmptyStr(rfca))
                        ) {
                                wprintf("@%s ", &buf[5]);
                        }
                }
                if (!strncasecmp(buf, "rcpt=", 5)) {
+                       int len;
                        wprintf(_("to "));
-                       if (strlen(reply_all) > 0) {
+                       if (!IsEmptyStr(reply_all)) {
                                strcat(reply_all, ", ");
                        }
-                       safestrncpy(&reply_all[strlen(reply_all)], &buf[5],
-                               (sizeof reply_all - strlen(reply_all)) );
+                       len = strlen(reply_all);
+                       safestrncpy(&reply_all[len], &buf[5],
+                               (sizeof reply_all - len) );
 #ifdef HAVE_ICONV
                        utf8ify_rfc822_string(&buf[5]);
 #endif
@@ -808,12 +913,12 @@ void read_message(long msgnum, int printable_view, char *section) {
 
                        striplt(mime_name);
                        striplt(mime_filename);
-                       if ( (strlen(mime_filename) == 0) && (strlen(mime_name) > 0) ) {
+                       if ( (IsEmptyStr(mime_filename)) && (!IsEmptyStr(mime_name)) ) {
                                strcpy(mime_filename, mime_name);
                        }
 
                        if (!strcasecmp(mime_content_type, "message/rfc822")) {
-                               if (strlen(mime_submessages) > 0) {
+                               if (!IsEmptyStr(mime_submessages)) {
                                        strcat(mime_submessages, "|");
                                }
                                strcat(mime_submessages, mime_partnum);
@@ -831,7 +936,7 @@ void read_message(long msgnum, int printable_view, char *section) {
                        else if ( ( (!strcasecmp(mime_disposition, "attachment")) 
                             || (!strcasecmp(mime_disposition, "inline"))
                             || (!strcasecmp(mime_disposition, ""))
-                            ) && (strlen(mime_content_type) > 0)
+                            ) && (!IsEmptyStr(mime_content_type))
                        ) {
                                ++num_attach_links;
                                attach_links = realloc(attach_links,
@@ -873,8 +978,8 @@ void read_message(long msgnum, int printable_view, char *section) {
        }
 
        /** Generate a reply-to address */
-       if (strlen(rfca) > 0) {
-               if (strlen(from) > 0) {
+       if (!IsEmptyStr(rfca)) {
+               if (!IsEmptyStr(from)) {
                        snprintf(reply_to, sizeof(reply_to), "%s <%s>", from, rfca);
                }
                else {
@@ -882,7 +987,7 @@ void read_message(long msgnum, int printable_view, char *section) {
                }
        }
        else {
-               if ( (strlen(node) > 0)
+       if ((!IsEmptyStr(node))
                   && (strcasecmp(node, serv_info.serv_nodename))
                   && (strcasecmp(node, serv_info.serv_humannode)) ) {
                        snprintf(reply_to, sizeof(reply_to), "%s @ %s",
@@ -903,14 +1008,14 @@ void read_message(long msgnum, int printable_view, char *section) {
        utf8ify_rfc822_string(m_cc);
        utf8ify_rfc822_string(m_subject);
 #endif
-       if (strlen(m_cc) > 0) {
+       if (!IsEmptyStr(m_cc)) {
                wprintf("<div class=\"message_subject\">");
                wprintf(_("CC:"));
                wprintf(" ");
                escputs(m_cc);
                wprintf("</div>");
        }
-       if (strlen(m_subject) > 0) {
+       if (!IsEmptyStr(m_subject)) {
                wprintf("<div class=\"message_subject\">");
                wprintf(_("Subject:"));
                wprintf(" ");
@@ -918,96 +1023,6 @@ void read_message(long msgnum, int printable_view, char *section) {
                wprintf("</div>");
        }
 
-
-        /** start msg buttons */
-        if (!printable_view) {
-                wprintf("<div id=\"msg%ld\" class=\"msgbuttons\" >\n",msgnum);
-
-               /** Reply */
-               if ( (WC->wc_view == VIEW_MAILBOX) || (WC->wc_view == VIEW_BBS) ) {
-                       wprintf("<a href=\"display_enter");
-                       if (WC->is_mailbox) {
-                               wprintf("?replyquote=%ld", msgnum);
-                       }
-                       wprintf("?recp=");
-                       urlescputs(reply_to);
-                       if (strlen(m_subject) > 0) {
-                               wprintf("?subject=");
-                               if (strncasecmp(m_subject, "Re:", 3)) wprintf("Re:%20");
-                               urlescputs(m_subject);
-                       }
-                       wprintf("\"><span>[</span>%s<span>]</span></a> ", _("Reply"));
-               }
-
-               /** ReplyQuoted */
-               if ( (WC->wc_view == VIEW_MAILBOX) || (WC->wc_view == VIEW_BBS) ) {
-                       if (!WC->is_mailbox) {
-                               wprintf("<a href=\"display_enter");
-                               wprintf("?replyquote=%ld", msgnum);
-                               wprintf("?recp=");
-                               urlescputs(reply_to);
-                               if (strlen(m_subject) > 0) {
-                                       wprintf("?subject=");
-                                       if (strncasecmp(m_subject, "Re:", 3)) wprintf("Re:%20");
-                                       urlescputs(m_subject);
-                               }
-                               wprintf("\"><span>[</span>%s<span>]</span></a> ", _("ReplyQuoted"));
-                       }
-               }
-
-               /** ReplyAll */
-               if (WC->wc_view == VIEW_MAILBOX) {
-                       wprintf("<a href=\"display_enter");
-                       wprintf("?replyquote=%ld", msgnum);
-                       wprintf("?recp=");
-                       urlescputs(reply_to);
-                       wprintf("?cc=");
-                       urlescputs(reply_all);
-                       if (strlen(m_subject) > 0) {
-                               wprintf("?subject=");
-                               if (strncasecmp(m_subject, "Re:", 3)) wprintf("Re:%20");
-                               urlescputs(m_subject);
-                       }
-                       wprintf("\"><span>[</span>%s<span>]</span></a> ", _("ReplyAll"));
-               }
-
-               /** Forward */
-               if (WC->wc_view == VIEW_MAILBOX) {
-                       wprintf("<a href=\"display_enter?fwdquote=%ld?subject=", msgnum);
-                       if (strncasecmp(m_subject, "Fwd:", 4)) wprintf("Fwd:%20");
-                       urlescputs(m_subject);
-                       wprintf("\"><span>[</span>%s<span>]</span></a> ", _("Forward"));
-               }
-
-               /** If this is one of my own rooms, or if I'm an Aide or Room Aide, I can move/delete */
-               if ( (WC->is_room_aide) || (WC->is_mailbox) || (WC->room_flags2 & QR2_COLLABDEL) ) {
-                       /** Move */
-                       wprintf("<a href=\"confirm_move_msg?msgid=%ld\"><span>[</span>%s<span>]</span></a> ",
-                               msgnum, _("Move"));
-       
-                       /** Delete */
-                       wprintf("<a href=\"delete_msg?msgid=%ld\" "
-                               "onClick=\"return confirm('%s');\">"
-                               "<span>[</span>%s<span>]</span> "
-                               "</a> ", msgnum, _("Delete this message?"), _("Delete")
-                       );
-               }
-
-               /** Headers */
-               wprintf("<a href=\"#\" onClick=\"window.open('msgheaders/%ld', 'headers%ld', 'toolbar=no,location=no,directories=no,copyhistory=no,status=yes,scrollbars=yes,resizable=yes,width=600,height=400'); \" >"
-                       "<span>[</span>%s<span>]</span></a>", msgnum, msgnum, _("Headers"));
-
-
-               /** Print */
-               wprintf("<a href=\"#\" onClick=\"window.open('printmsg/%ld', 'print%ld', 'toolbar=no,location=no,directories=no,copyhistory=no,status=yes,scrollbars=yes,resizable=yes,width=600,height=400'); \" >"
-                       "<span>[</span>%s<span>]</span></a>", msgnum, msgnum, _("Print"));
-
-               wprintf("</div>");
-
-       }
-
-
-
        /** Begin body */
        wprintf("<div class=\"message_content\">");
 
@@ -1015,7 +1030,7 @@ void read_message(long msgnum, int printable_view, char *section) {
         * Learn the content type
         */
        strcpy(mime_content_type, "text/plain");
-       while (serv_getln(buf, sizeof buf), (strlen(buf) > 0)) {
+       while (serv_getln(buf, sizeof buf), (!IsEmptyStr(buf))) {
                if (!strcmp(buf, "000")) {
                        wprintf("<i>");
                        wprintf(_("unexpected end of message"));
@@ -1027,22 +1042,27 @@ void read_message(long msgnum, int printable_view, char *section) {
                        striplt(msg4_partnum);
                }
                if (!strncasecmp(buf, "Content-type:", 13)) {
+                       int len;
                        safestrncpy(mime_content_type, &buf[13], sizeof(mime_content_type));
                        striplt(mime_content_type);
-                       for (i=0; i<strlen(mime_content_type); ++i) {
+                       len = strlen(mime_content_type);
+                       for (i=0; i<len; ++i) {
                                if (!strncasecmp(&mime_content_type[i], "charset=", 8)) {
                                        safestrncpy(mime_charset, &mime_content_type[i+8],
                                                sizeof mime_charset);
                                }
                        }
-                       for (i=0; i<strlen(mime_content_type); ++i) {
+                       for (i=0; i<len; ++i) {
                                if (mime_content_type[i] == ';') {
                                        mime_content_type[i] = 0;
+                                       len = i - 1;
                                }
                        }
-                       for (i=0; i<strlen(mime_charset); ++i) {
+                       len = strlen(mime_charset);
+                       for (i=0; i<len; ++i) {
                                if (mime_charset[i] == ';') {
                                        mime_charset[i] = 0;
+                                       len = i - 1;
                                }
                        }
                }
@@ -1072,8 +1092,10 @@ void read_message(long msgnum, int printable_view, char *section) {
        else if ( (!strcasecmp(mime_content_type, "text/plain"))
                || (!strcasecmp(mime_content_type, "text")) ) {
                while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
-                       if (buf[strlen(buf)-1] == '\n') buf[strlen(buf)-1] = 0;
-                       if (buf[strlen(buf)-1] == '\r') buf[strlen(buf)-1] = 0;
+                       int len;
+                       len = strlen(buf);
+                       if (buf[len-1] == '\n') buf[--len] = 0;
+                       if (buf[len-1] == '\r') buf[--len] = 0;
 
 #ifdef HAVE_ICONV
                        if (ic != (iconv_t)(-1) ) {
@@ -1089,8 +1111,9 @@ void read_message(long msgnum, int printable_view, char *section) {
                        }
 #endif
 
-                       while ((strlen(buf) > 0) && (isspace(buf[strlen(buf) - 1])))
-                               buf[strlen(buf) - 1] = 0;
+                       len = strlen(buf);
+                       while ((!IsEmptyStr(buf)) && (isspace(buf[len-1])))
+                               buf[--len] = 0;
                        if ((bq == 0) &&
                        ((!strncmp(buf, ">", 1)) || (!strncmp(buf, " >", 2)) )) {
                                wprintf("<blockquote>");
@@ -1121,7 +1144,7 @@ void read_message(long msgnum, int printable_view, char *section) {
        }
 
        /** If there are attached submessages, display them now... */
-       if ( (strlen(mime_submessages) > 0) && (!section[0]) ) {
+       if ( (!IsEmptyStr(mime_submessages)) && (!section[0]) ) {
                for (i=0; i<num_tokens(mime_submessages, '|'); ++i) {
                        extract_token(buf, mime_submessages, i, '|', sizeof buf);
                        /** use printable_view to suppress buttons */
@@ -1142,7 +1165,7 @@ void read_message(long msgnum, int printable_view, char *section) {
        }
 
        /** Handler for vCard parts */
-       if (strlen(vcard_partnum) > 0) {
+       if (!IsEmptyStr(vcard_partnum)) {
                part_source = load_mimepart(msgnum, vcard_partnum);
                if (part_source != NULL) {
 
@@ -1163,7 +1186,7 @@ void read_message(long msgnum, int printable_view, char *section) {
        }
 
        /** Handler for calendar parts */
-       if (strlen(cal_partnum) > 0) {
+       if (!IsEmptyStr(cal_partnum)) {
                part_source = load_mimepart(msgnum, cal_partnum);
                if (part_source != NULL) {
                        cal_process_attachment(part_source,
@@ -1362,7 +1385,7 @@ void pullquote_message(long msgnum, int forward_attachments, int include_headers
                        }
                        if ((!strncasecmp(buf, "room=", 5))
                            && (strcasecmp(&buf[5], WC->wc_roomname))
-                           && (strlen(&buf[5])>0) ) {
+                           && (!IsEmptyStr(&buf[5])) ) {
                                wprintf(_("in "));
                                wprintf("%s&gt; ", &buf[5]);
                        }
@@ -1378,7 +1401,7 @@ void pullquote_message(long msgnum, int forward_attachments, int include_headers
                                if ( ((WC->room_flags & QR_NETWORK)
                                || ((strcasecmp(&buf[5], serv_info.serv_nodename)
                                && (strcasecmp(&buf[5], serv_info.serv_fqdn)))))
-                               && (strlen(rfca)==0)
+                               && (IsEmptyStr(rfca))
                                ) {
                                        wprintf("@%s ", &buf[5]);
                                }
@@ -1419,7 +1442,7 @@ void pullquote_message(long msgnum, int forward_attachments, int include_headers
 #ifdef HAVE_ICONV
                utf8ify_rfc822_string(m_subject);
 #endif
-               if (strlen(m_subject) > 0) {
+               if (!IsEmptyStr(m_subject)) {
                        wprintf(_("Subject:"));
                        wprintf(" ");
                        msgescputs(m_subject);
@@ -1436,12 +1459,13 @@ void pullquote_message(long msgnum, int forward_attachments, int include_headers
         * Learn the content type
         */
        strcpy(mime_content_type, "text/plain");
-       while (serv_getln(buf, sizeof buf), (strlen(buf) > 0)) {
+       while (serv_getln(buf, sizeof buf), (!IsEmptyStr(buf))) {
                if (!strcmp(buf, "000")) {
                        wprintf("%s (4)", _("unexpected end of message"));
                        goto ENDBODY;
                }
                if (!strncasecmp(buf, "Content-type: ", 14)) {
+                       int len;
                        safestrncpy(mime_content_type, &buf[14],
                                sizeof(mime_content_type));
                        for (i=0; i<strlen(mime_content_type); ++i) {
@@ -1450,14 +1474,18 @@ void pullquote_message(long msgnum, int forward_attachments, int include_headers
                                                sizeof mime_charset);
                                }
                        }
-                       for (i=0; i<strlen(mime_content_type); ++i) {
+                       len = strlen(mime_content_type);
+                       for (i=0; i<len; ++i) {
                                if (mime_content_type[i] == ';') {
                                        mime_content_type[i] = 0;
+                                       len = i - 1;
                                }
                        }
-                       for (i=0; i<strlen(mime_charset); ++i) {
+                       len = strlen(mime_charset);
+                       for (i=0; i<len; ++i) {
                                if (mime_charset[i] == ';') {
                                        mime_charset[i] = 0;
+                                       len = i - 1;
                                }
                        }
                }
@@ -1485,13 +1513,15 @@ void pullquote_message(long msgnum, int forward_attachments, int include_headers
        /* Boring old 80-column fixed format text gets handled this way... */
        else if (!strcasecmp(mime_content_type, "text/plain")) {
                while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
-                       if (buf[strlen(buf)-1] == '\n') buf[strlen(buf)-1] = 0;
-                       if (buf[strlen(buf)-1] == '\r') buf[strlen(buf)-1] = 0;
+                       int len;
+                       len = strlen(buf);
+                       if (buf[len-1] == '\n') buf[--len] = 0;
+                       if (buf[len-1] == '\r') buf[--len] = 0;
 
 #ifdef HAVE_ICONV
                        if (ic != (iconv_t)(-1) ) {
                                ibuf = buf;
-                               ibuflen = strlen(ibuf);
+                               ibuflen = len;
                                obuflen = SIZ;
                                obuf = (char *) malloc(obuflen);
                                osav = obuf;
@@ -1502,8 +1532,9 @@ void pullquote_message(long msgnum, int forward_attachments, int include_headers
                        }
 #endif
 
-                       while ((strlen(buf) > 0) && (isspace(buf[strlen(buf) - 1])))
-                               buf[strlen(buf) - 1] = 0;
+                       len = strlen(buf);
+                       while ((!IsEmptyStr(buf)) && (isspace(buf[len - 1]))) 
+                               buf[--len] = 0;
                        if ((bq == 0) &&
                        ((!strncmp(buf, ">", 1)) || (!strncmp(buf, " >", 2)) )) {
                                wprintf("<blockquote>");
@@ -1670,7 +1701,7 @@ void display_addressbook(long msgnum, char alpha) {
                }
        }
 
-       if (strlen(vcard_partnum) > 0) {
+       if (!IsEmptyStr(vcard_partnum)) {
                vcard_source = load_mimepart(msgnum, vcard_partnum);
                if (vcard_source != NULL) {
 
@@ -1731,7 +1762,7 @@ void fetch_ab_name(long msgnum, char *namebuf) {
        int mime_length;
        char vcard_partnum[SIZ];
        char *vcard_source = NULL;
-       int i;
+       int i, len;
        struct message_summary summ;
 
        if (namebuf == NULL) return;
@@ -1761,7 +1792,7 @@ void fetch_ab_name(long msgnum, char *namebuf) {
                }
        }
 
-       if (strlen(vcard_partnum) > 0) {
+       if (!IsEmptyStr(vcard_partnum)) {
                vcard_source = load_mimepart(msgnum, vcard_partnum);
                if (vcard_source != NULL) {
 
@@ -1774,7 +1805,8 @@ void fetch_ab_name(long msgnum, char *namebuf) {
 
        lastfirst_firstlast(namebuf);
        striplt(namebuf);
-       for (i=0; i<strlen(namebuf); ++i) {
+       len = strlen(namebuf);
+       for (i=0; i<len; ++i) {
                if (namebuf[i] != ';') return;
        }
        strcpy(namebuf, _("(no name)"));
@@ -1964,11 +1996,11 @@ int load_msg_ptrs(char *servcmd, int with_headers)
                                WC->summ[nummsgs-1].msgnum = WC->msgarr[nummsgs-1];
                                safestrncpy(WC->summ[nummsgs-1].subj,
                                        _("(no subject)"), sizeof WC->summ[nummsgs-1].subj);
-                               if (strlen(fullname) > 0) {
+                               if (!IsEmptyStr(fullname)) {
                                        safestrncpy(WC->summ[nummsgs-1].from,
                                                fullname, sizeof WC->summ[nummsgs-1].from);
                                }
-                               if (strlen(subject) > 0) {
+                               if (!IsEmptyStr(subject)) {
                                safestrncpy(WC->summ[nummsgs-1].subj, subject,
                                        sizeof WC->summ[nummsgs-1].subj);
                                }
@@ -1980,7 +2012,7 @@ int load_msg_ptrs(char *servcmd, int with_headers)
                                        strcpy(&WC->summ[nummsgs-1].subj[72], "...");
                                }
 
-                               if (strlen(nodename) > 0) {
+                               if (!IsEmptyStr(nodename)) {
                                        if ( ((WC->room_flags & QR_NETWORK)
                                           || ((strcasecmp(nodename, serv_info.serv_nodename)
                                           && (strcasecmp(nodename, serv_info.serv_fqdn)))))
@@ -2173,13 +2205,13 @@ void readloop(char *oper)
        get_preference(sortpref_name, sortpref_value, sizeof sortpref_value);
 
        sortby = bstr("sortby");
-       if ( (strlen(sortby) > 0) && (strcasecmp(sortby, sortpref_value)) ) {
+       if ( (!IsEmptyStr(sortby)) && (strcasecmp(sortby, sortpref_value)) ) {
                set_preference(sortpref_name, sortby, 1);
        }
-       if (strlen(sortby) == 0) sortby = sortpref_value;
+       if (IsEmptyStr(sortby)) sortby = sortpref_value;
 
        /** mailbox sort */
-       if (strlen(sortby) == 0) sortby = "rdate";
+       if (IsEmptyStr(sortby)) sortby = "rdate";
 
        /** message board sort */
        if (!strcasecmp(sortby, "reverse")) {
@@ -2603,8 +2635,8 @@ DONE:
        }
 
        /** Note: wDumpContent() will output one additional </div> tag. */
+       wprintf("</div>\n");            /** end of 'content' div */
        wDumpContent(1);
-       if (addrbook != NULL) free(addrbook);
 
        /** free the summary */
        if (WC->summ != NULL) {
@@ -2612,7 +2644,7 @@ DONE:
                WC->num_summ = 0;
                WC->summ = NULL;
        }
-wprintf("</div>\n");           /** end of 'content' div */
+       if (addrbook != NULL) free(addrbook);
 }
 
 
@@ -2756,10 +2788,10 @@ void post_message(void)
                return;
        }
 
-       if (strlen(bstr("cancel_button")) > 0) {
+       if (!IsEmptyStr(bstr("cancel_button"))) {
                sprintf(WC->ImportantMessage, 
                        _("Cancelled.  Message was not posted."));
-       } else if (strlen(bstr("attach_button")) > 0) {
+       } else if (!IsEmptyStr(bstr("attach_button"))) {
                display_enter();
                return;
        } else if (atol(bstr("postseq")) == dont_post) {
@@ -2782,9 +2814,9 @@ void post_message(void)
                serv_getln(buf, sizeof buf);
                if (buf[0] == '4') {
                        post_mime_to_server();
-                       if ( (strlen(bstr("recp")) > 0)
-                          || (strlen(bstr("cc")) > 0)
-                          || (strlen(bstr("bcc")) > 0)
+                       if (  (!IsEmptyStr(bstr("recp")))
+                          || (!IsEmptyStr(bstr("cc"  )))
+                          || (!IsEmptyStr(bstr("bcc" )))
                        ) {
                                sprintf(WC->ImportantMessage, _("Message has been sent.\n"));
                        }
@@ -2806,13 +2838,13 @@ void post_message(void)
         *  We may have been supplied with instructions regarding the location
         *  to which we must return after posting.  If found, go there.
         */
-       if (strlen(bstr("return_to")) > 0) {
+       if (!IsEmptyStr(bstr("return_to"))) {
                http_redirect(bstr("return_to"));
        }
        /**
         *  If we were editing a page in a wiki room, go to that page now.
         */
-       else if (strlen(bstr("wikipage")) > 0) {
+       else if (!IsEmptyStr(bstr("wikipage"))) {
                snprintf(buf, sizeof buf, "wiki?page=%s", bstr("wikipage"));
                http_redirect(buf);
        }
@@ -2838,6 +2870,7 @@ void display_enter(void)
        char *display_name;
        struct wc_attachment *att;
        int recipient_required = 0;
+       int subject_required = 0;
        int recipient_bad = 0;
        int i;
        int is_anonymous = 0;
@@ -2845,7 +2878,7 @@ void display_enter(void)
 
        now = time(NULL);
 
-       if (strlen(bstr("force_room")) > 0) {
+       if (!IsEmptyStr(bstr("force_room"))) {
                gotoroom(bstr("force_room"));
        }
 
@@ -2858,6 +2891,7 @@ void display_enter(void)
        /** First test to see whether this is a room that requires recipients to be entered */
        serv_puts("ENT0 0");
        serv_getln(buf, sizeof buf);
+
        if (!strncmp(buf, "570", 3)) {          /** 570 means that we need a recipient here */
                recipient_required = 1;
        }
@@ -2867,6 +2901,11 @@ void display_enter(void)
                return;
        }
 
+       /* Is the server strongly recommending that the user enter a message subject? */
+       if ((buf[3] != '\0') && (buf[4] != '\0')) {
+               subject_required = extract_int(&buf[4], 1);
+       }
+
        /**
         * Are we perhaps in an address book view?  If so, then an "enter
         * message" command really means "add new entry."
@@ -2918,7 +2957,9 @@ void display_enter(void)
                serv_getln(buf, sizeof buf);
 
                if (!strncmp(buf, "570", 3)) {  /** 570 means we have an invalid recipient listed */
-                       if (strlen(bstr("recp")) + strlen(bstr("cc")) + strlen(bstr("bcc")) > 0) {
+                       if (!IsEmptyStr(bstr("recp")) && 
+                           !IsEmptyStr(bstr("cc"  )) && 
+                           !IsEmptyStr(bstr("bcc" ))) {
                                recipient_bad = 1;
                        }
                }
@@ -2943,6 +2984,19 @@ void display_enter(void)
                wprintf("<input type=\"hidden\" name=\"wikipage\" value=\"%s\">\n", bstr("wikipage"));
        }
        wprintf("<input type=\"hidden\" name=\"return_to\" value=\"%s\">\n", bstr("return_to"));
+       wprintf("<input type=\"hidden\" name=\"nonce\" value=\"%ld\">\n", WC->nonce);
+
+       /** submit or cancel buttons */
+        wprintf("<p class=\"send_edit_msg\">");
+        wprintf("<input type=\"submit\" name=\"send_button\" value=\"");
+        if (recipient_required) {
+                wprintf(_("Send message"));
+        } else {
+                wprintf(_("Post message"));
+        }
+        wprintf("\">&nbsp;"
+                "<input type=\"submit\" name=\"cancel_button\" value=\"%s\">\n", _("Cancel"));
+        wprintf("</p>");
 
        /** header bar */
 
@@ -3053,7 +3107,7 @@ void display_enter(void)
        }
 
        wprintf("<div style=\"clear: both;\"><label for=\"subject_id\" > ");
-       if (recipient_required) {
+       if (recipient_required || subject_required) {
                wprintf(_("Subject:"));
        }
        else {
@@ -3101,10 +3155,12 @@ void display_enter(void)
        if ( (WC->is_mailbox) && (strcmp(bstr("sig_inserted"), "yes")) ) {
                get_preference("use_sig", buf, sizeof buf);
                if (!strcasecmp(buf, "yes")) {
+                       int len;
                        get_preference("signature", ebuf, sizeof ebuf);
                        euid_unescapize(buf, ebuf);
                        wprintf("<br>--<br>");
-                       for (i=0; i<strlen(buf); ++i) {
+                       len = strlen(buf);
+                       for (i=0; i<len; ++i) {
                                if (buf[i] == '\n') {
                                        wprintf("<br>");
                                }
@@ -3139,7 +3195,7 @@ void display_enter(void)
        do_template("richedit");
 
        /** Enumerate any attachments which are already in place... */
-       wprintf("<div><img src=\"static/diskette_24x.gif\" border=0 ");
+       wprintf("<div><img src=\"static/diskette_24x.gif\" class=\"imgedit\" ");
        wprintf(_("Attachments:"));
        wprintf(" ");
        wprintf("<select name=\"which_attachment\" size=1>");
@@ -3161,17 +3217,6 @@ void display_enter(void)
                "<input type=\"submit\" name=\"attach_button\" value=\"%s\">\n", _("Add"));
        wprintf("</div>");
 
-       wprintf("<div class=\"send_edit_msg\">");
-       wprintf("<input type=\"submit\" name=\"send_button\" value=\"");
-       if (recipient_required) {
-               wprintf(_("Send message"));
-       } else {
-               wprintf(_("Post message"));
-       }
-       wprintf("\">&nbsp;"
-               "<input type=\"submit\" name=\"cancel_button\" value=\"%s\">\n", _("Cancel"));
-       wprintf("</div>");
-
 
        /** Make sure we only insert our signature once */
        if (strcmp(bstr("sig_inserted"), "yes")) {
@@ -3220,7 +3265,7 @@ void move_msg(void)
 
        msgid = atol(bstr("msgid"));
 
-       if (strlen(bstr("move_button")) > 0) {
+       if (!IsEmptyStr(bstr("move_button"))) {
                sprintf(buf, "MOVE %ld|%s", msgid, bstr("target_room"));
                serv_puts(buf);
                serv_getln(buf, sizeof buf);
@@ -3263,6 +3308,7 @@ void confirm_move_msg(void)
        wprintf("<br />\n");
 
        wprintf("<form METHOD=\"POST\" action=\"move_msg\">\n");
+       wprintf("<input type=\"hidden\" name=\"nonce\" value=\"%ld\">\n", WC->nonce);
        wprintf("<INPUT TYPE=\"hidden\" NAME=\"msgid\" VALUE=\"%s\">\n", bstr("msgid"));
 
        wprintf("<SELECT NAME=\"target_room\" SIZE=5>\n");