Fix up ARTV import so that imports actually work.
[citadel.git] / citadel / msgbase.c
index 34e11c15c6d0e715a13144db53c9ddc611dfebcc..291d54fdda6245be56812a34f4fd6018940f003c 100644 (file)
@@ -31,6 +31,7 @@
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <regex.h>
+#include <libcitadel.h>
 #include "citadel.h"
 #include "server.h"
 #include "serv_extensions.h"
 #include "file_ops.h"
 #include "config.h"
 #include "control.h"
-#include "tools.h"
-#include "mime_parser.h"
-#include "html.h"
 #include "genstamp.h"
 #include "internet_addressing.h"
-#include "vcard.h"
 #include "euidindex.h"
 #include "journaling.h"
 #include "citadel_dirs.h"
-
+#include "clientsocket.h"
+#include "serv_network.h"
+#include "threads.h"
 
 long config_msgnum;
 struct addresses_to_be_filed *atbf = NULL;
@@ -101,7 +100,7 @@ char *msgkeys[] = {
        "time",
        "subj",
        NULL,
-       NULL,
+       "wefw",
        NULL,
        "cccc",
        NULL
@@ -183,7 +182,7 @@ int alias(char *name)
        }
 
        if (strcasecmp(original_name, name)) {
-               lprintf(CTDL_INFO, "%s is being forwarded to %s\n", original_name, name);
+               CtdlLogPrintf(CTDL_INFO, "%s is being forwarded to %s\n", original_name, name);
        }
 
        /* Change "user @ xxx" to "user" if xxx is an alias for this host */
@@ -191,7 +190,7 @@ int alias(char *name)
                if (name[a] == '@') {
                        if (CtdlHostAlias(&name[a+1]) == hostalias_localhost) {
                                name[a] = 0;
-                               lprintf(CTDL_INFO, "Changed to <%s>\n", name);
+                               CtdlLogPrintf(CTDL_INFO, "Changed to <%s>\n", name);
                        }
                }
        }
@@ -357,7 +356,7 @@ void CtdlSetSeen(long *target_msgnums, int num_target_msgnums,
                return;
        }
 
-       lprintf(CTDL_DEBUG, "CtdlSetSeen(%d msgs starting with %ld, %d, %d)\n",
+       CtdlLogPrintf(CTDL_DEBUG, "CtdlSetSeen(%d msgs starting with %ld, %d, %d)\n",
                num_target_msgnums, target_msgnums[0],
                target_setting, which_set);
 
@@ -391,7 +390,7 @@ void CtdlSetSeen(long *target_msgnums, int num_target_msgnums,
                        break;
        }
 
-       /* lprintf(CTDL_DEBUG, "before optimize: %s\n", vset); */
+       /* CtdlLogPrintf(CTDL_DEBUG, "before optimize: %s\n", vset); */
 
        /* Translate the existing sequence set into an array of booleans */
        num_sets = num_tokens(vset, ',');
@@ -490,7 +489,7 @@ void CtdlSetSeen(long *target_msgnums, int num_target_msgnums,
        }
        free(is_set);
 
-       /* lprintf(CTDL_DEBUG, " after optimize: %s\n", vset); */
+       /* CtdlLogPrintf(CTDL_DEBUG, " after optimize: %s\n", vset); */
        free(msglist);
        CtdlSetRelationship(&vbuf,
                ((which_user != NULL) ? which_user : &CC->user),
@@ -528,7 +527,7 @@ int CtdlForEachMessage(int mode, long ref, char *search_string,
        int need_to_free_re = 0;
        regmatch_t pm;
 
-       if (content_type) if (strlen(content_type) > 0) {
+       if (content_type) if (!IsEmptyStr(content_type)) {
                regcomp(&re, content_type, 0);
                need_to_free_re = 1;
        }
@@ -541,9 +540,7 @@ int CtdlForEachMessage(int mode, long ref, char *search_string,
        cdbfr = cdb_fetch(CDB_MSGLISTS, &CC->room.QRnumber, sizeof(long));
        if (cdbfr != NULL) {
                msglist = (long *) cdbfr->ptr;
-               cdbfr->ptr = NULL;      /* CtdlForEachMessage() now owns this memory */
                num_msgs = cdbfr->len / sizeof(long);
-               cdb_free(cdbfr);
        } else {
                if (need_to_free_re) regfree(&re);
                return 0;       /* No messages at all?  No further action. */
@@ -558,7 +555,7 @@ int CtdlForEachMessage(int mode, long ref, char *search_string,
                /* If the caller is looking for a specific MIME type, filter
                 * out all messages which are not of the type requested.
                 */
-               if (content_type != NULL) if (strlen(content_type) > 0) {
+               if (content_type != NULL) if (!IsEmptyStr(content_type)) {
 
                        /* This call to GetMetaData() sits inside this loop
                         * so that we only do the extra database read per msg
@@ -679,7 +676,7 @@ int CtdlForEachMessage(int mode, long ref, char *search_string,
                                ++num_processed;
                        }
                }
-       free(msglist);          /* Clean up */
+       cdb_free(cdbfr);        /* Clean up */
        if (need_to_free_re) regfree(&re);
        return num_processed;
 }
@@ -747,7 +744,7 @@ void cmd_msgs(char *cmdbuf)
                template->cm_magic = CTDLMESSAGE_MAGIC;
                template->cm_anon_type = MES_NORMAL;
 
-               while(client_getln(buf, sizeof buf), strcmp(buf,"000")) {
+               while(client_getln(buf, sizeof buf) >= 0 && strcmp(buf,"000")) {
                        extract_token(tfield, buf, 0, '|', sizeof tfield);
                        extract_token(tvalue, buf, 1, '|', sizeof tvalue);
                        for (i='A'; i<='Z'; ++i) if (msgkeys[i]!=NULL) {
@@ -808,7 +805,7 @@ void do_help_subst(char *buffer)
        help_subst(buffer, "^variantname", CITADEL);
        snprintf(buf2, sizeof buf2, "%d", config.c_maxsessions);
        help_subst(buffer, "^maxsessions", buf2);
-       help_subst(buffer, "^bbsdir", ctdl_bbsbase_dir);
+       help_subst(buffer, "^bbsdir", ctdl_message_dir);
 }
 
 
@@ -1019,7 +1016,7 @@ struct CtdlMessage *CtdlFetchMessage(long msgnum, int with_body)
        cit_uint8_t ch;
        cit_uint8_t field_header;
 
-       lprintf(CTDL_DEBUG, "CtdlFetchMessage(%ld, %d)\n", msgnum, with_body);
+       CtdlLogPrintf(CTDL_DEBUG, "CtdlFetchMessage(%ld, %d)\n", msgnum, with_body);
 
        dmsgtext = cdb_fetch(CDB_MSGMAIN, &msgnum, sizeof(long));
        if (dmsgtext == NULL) {
@@ -1035,9 +1032,7 @@ struct CtdlMessage *CtdlFetchMessage(long msgnum, int with_body)
         */
        ch = *mptr++;
        if (ch != 255) {
-               lprintf(CTDL_ERR,
-                       "Message %ld appears to be corrupted.\n",
-                       msgnum);
+               CtdlLogPrintf(CTDL_ERR, "Message %ld appears to be corrupted.\n", msgnum);
                cdb_free(dmsgtext);
                return NULL;
        }
@@ -1100,7 +1095,7 @@ int is_valid_message(struct CtdlMessage *msg) {
        if (msg == NULL)
                return 0;
        if ((msg->cm_magic) != CTDLMESSAGE_MAGIC) {
-               lprintf(CTDL_WARNING, "is_valid_message() -- self-check failed\n");
+               CtdlLogPrintf(CTDL_WARNING, "is_valid_message() -- self-check failed\n");
                return 0;
        }
        return 1;
@@ -1147,7 +1142,7 @@ void fixed_output_pre(char *name, char *filename, char *partnum, char *disp,
        struct ma_info *ma;
        
        ma = (struct ma_info *)cbuserdata;
-       lprintf(CTDL_DEBUG, "fixed_output_pre() type=<%s>\n", cbtype);  
+       CtdlLogPrintf(CTDL_DEBUG, "fixed_output_pre() type=<%s>\n", cbtype);    
        if (!strcasecmp(cbtype, "multipart/alternative")) {
                ++ma->is_ma;
                ma->did_print = 0;
@@ -1167,7 +1162,7 @@ void fixed_output_post(char *name, char *filename, char *partnum, char *disp,
        struct ma_info *ma;
        
        ma = (struct ma_info *)cbuserdata;
-       lprintf(CTDL_DEBUG, "fixed_output_post() type=<%s>\n", cbtype); 
+       CtdlLogPrintf(CTDL_DEBUG, "fixed_output_post() type=<%s>\n", cbtype);   
        if (!strcasecmp(cbtype, "multipart/alternative")) {
                --ma->is_ma;
                ma->did_print = 0;
@@ -1191,7 +1186,7 @@ void fixed_output(char *name, char *filename, char *partnum, char *disp,
 
        ma = (struct ma_info *)cbuserdata;
 
-       lprintf(CTDL_DEBUG,
+       CtdlLogPrintf(CTDL_DEBUG,
                "fixed_output() part %s: %s (%s) (%ld bytes)\n",
                partnum, filename, cbtype, (long)length);
 
@@ -1200,14 +1195,13 @@ void fixed_output(char *name, char *filename, char *partnum, char *disp,
         * we've already printed another section, skip this one.
         */     
        if ( (ma->is_ma) && (ma->did_print) ) {
-               lprintf(CTDL_DEBUG, "Skipping part %s (%s)\n",
-                       partnum, cbtype);
+               CtdlLogPrintf(CTDL_DEBUG, "Skipping part %s (%s)\n", partnum, cbtype);
                return;
        }
        ma->did_print = 1;
 
        if ( (!strcasecmp(cbtype, "text/plain")) 
-          || (strlen(cbtype)==0) ) {
+          || (IsEmptyStr(cbtype)) ) {
                wptr = content;
                if (length > 0) {
                        client_write(wptr, length);
@@ -1264,14 +1258,18 @@ void choose_preferred(char *name, char *filename, char *partnum, char *disp,
        
        ma = (struct ma_info *)cbuserdata;
 
-       if (ma->is_ma > 0) {
-               for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
-                       extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
-                       if ( (!strcasecmp(buf, cbtype)) && (!ma->freeze) ) {
-                               if (i < ma->chosen_pref) {
-                                       safestrncpy(ma->chosen_part, partnum, sizeof ma->chosen_part);
-                                       ma->chosen_pref = i;
-                               }
+       // NOTE: REMOVING THIS CONDITIONAL FIXES BUG 220
+       //       http://bugzilla.citadel.org/show_bug.cgi?id=220
+       // I don't know if there are any side effects!  Please TEST TEST TEST
+       //if (ma->is_ma > 0) {
+
+       for (i=0; i<num_tokens(CC->preferred_formats, '|'); ++i) {
+               extract_token(buf, CC->preferred_formats, i, '|', sizeof buf);
+               if ( (!strcasecmp(buf, cbtype)) && (!ma->freeze) ) {
+                       if (i < ma->chosen_pref) {
+                               CtdlLogPrintf(CTDL_DEBUG, "Setting chosen part: <%s>\n", partnum);
+                               safestrncpy(ma->chosen_part, partnum, sizeof ma->chosen_part);
+                               ma->chosen_pref = i;
                        }
                }
        }
@@ -1308,12 +1306,12 @@ void output_preferred(char *name, char *filename, char *partnum, char *disp,
                                ++add_newline;
                        }
                        cprintf("Content-type: %s", cbtype);
-                       if (strlen(cbcharset) > 0) {
+                       if (!IsEmptyStr(cbcharset)) {
                                cprintf("; charset=%s", cbcharset);
                        }
                        cprintf("\nContent-length: %d\n",
                                (int)(length + add_newline) );
-                       if (strlen(encoding) > 0) {
+                       if (!IsEmptyStr(encoding)) {
                                cprintf("Content-transfer-encoding: %s\n", encoding);
                        }
                        else {
@@ -1380,7 +1378,7 @@ int CtdlOutputMsg(long msg_num,           /* message number (local) to fetch */
        int retcode = om_no_such_msg;
        struct encapmsg encap;
 
-       lprintf(CTDL_DEBUG, "CtdlOutputMsg() msgnum=%ld, mode=%d, section=%s\n", 
+       CtdlLogPrintf(CTDL_DEBUG, "CtdlOutputMsg() msgnum=%ld, mode=%d, section=%s\n", 
                msg_num, mode,
                (section ? section : "<>")
        );
@@ -1414,7 +1412,7 @@ int CtdlOutputMsg(long msg_num,           /* message number (local) to fetch */
        /* Here is the weird form of this command, to process only an
         * encapsulated message/rfc822 section.
         */
-       if (section) if (strlen(section)>0) if (strcmp(section, "0")) {
+       if (section) if (!IsEmptyStr(section)) if (strcmp(section, "0")) {
                memset(&encap, 0, sizeof encap);
                safestrncpy(encap.desired_section, section, sizeof encap.desired_section);
                mime_parser(TheMessage->cm_fields['M'],
@@ -1446,9 +1444,7 @@ int CtdlOutputMsg(long msg_num,           /* message number (local) to fetch */
        }
 
        /* Ok, output the message now */
-       retcode = CtdlOutputPreLoadedMsg(
-               TheMessage, mode,
-               headers_only, do_proto, crlf);
+       retcode = CtdlOutputPreLoadedMsg(TheMessage, mode, headers_only, do_proto, crlf);
        CtdlFreeMessage(TheMessage);
 
        return(retcode);
@@ -1457,7 +1453,6 @@ int CtdlOutputMsg(long msg_num,           /* message number (local) to fetch */
 
 /*
  * Get a message off disk.  (returns om_* values found in msgbase.h)
- * 
  */
 int CtdlOutputPreLoadedMsg(
                struct CtdlMessage *TheMessage,
@@ -1466,7 +1461,7 @@ int CtdlOutputPreLoadedMsg(
                int do_proto,           /* do Citadel protocol responses? */
                int crlf                /* Use CRLF newlines instead of LF? */
 ) {
-       int i, k;
+       int i, j, k;
        char buf[SIZ];
        cit_uint8_t ch;
        char allkeys[30];
@@ -1489,7 +1484,7 @@ int CtdlOutputPreLoadedMsg(
        char mid[100];
        char datestamp[100];
 
-       lprintf(CTDL_DEBUG, "CtdlOutputPreLoadedMsg(TheMessage=%s, %d, %d, %d, %d\n",
+       CtdlLogPrintf(CTDL_DEBUG, "CtdlOutputPreLoadedMsg(TheMessage=%s, %d, %d, %d, %d\n",
                ((TheMessage == NULL) ? "NULL" : "not null"),
                mode, headers_only, do_proto, crlf);
 
@@ -1497,7 +1492,7 @@ int CtdlOutputPreLoadedMsg(
        nl = (crlf ? "\r\n" : "\n");
 
        if (!is_valid_message(TheMessage)) {
-               lprintf(CTDL_ERR,
+               CtdlLogPrintf(CTDL_ERR,
                        "ERROR: invalid preloaded message for output\n");
                return(om_no_such_msg);
        }
@@ -1605,7 +1600,7 @@ int CtdlOutputPreLoadedMsg(
                 */
                suppress_f = 0;
                if (TheMessage->cm_fields['N'] != NULL)
-                  if (strlen(TheMessage->cm_fields['N']) > 0)
+                  if (!IsEmptyStr(TheMessage->cm_fields['N']))
                      if (haschar(TheMessage->cm_fields['N'], '.') == 0) {
                        suppress_f = 1;
                }
@@ -1679,12 +1674,35 @@ int CtdlOutputPreLoadedMsg(
                                else if (i == 'N')
                                        safestrncpy(snode, mptr, sizeof snode);
                                else if (i == 'R')
-                                       cprintf("To: %s%s", mptr, nl);
+                               {
+                                       if (haschar(mptr, '@') == 0)
+                                       {
+                                               cprintf("To: %s@%s%s", mptr, config.c_fqdn, nl);
+                                       }
+                                       else
+                                       {
+                                               cprintf("To: %s%s", mptr, nl);
+                                       }
+                               }
                                else if (i == 'T') {
                                        datestring(datestamp, sizeof datestamp,
                                                atol(mptr), DATESTRING_RFC822);
                                        cprintf("Date: %s%s", datestamp, nl);
                                }
+                               else if (i == 'W') {
+                                       cprintf("References: ");
+                                       k = num_tokens(mptr, '|');
+                                       for (j=0; j<k; ++j) {
+                                               extract_token(buf, mptr, j, '|', sizeof buf);
+                                               cprintf("<%s>", buf);
+                                               if (j == (k-1)) {
+                                                       cprintf("%s", nl);
+                                               }
+                                               else {
+                                                       cprintf(" ");
+                                               }
+                                       }
+                               }
                        }
                }
                if (subject_found == 0) {
@@ -1692,7 +1710,7 @@ int CtdlOutputPreLoadedMsg(
                }
        }
 
-       for (i=0; i<strlen(suser); ++i) {
+       for (i=0; !IsEmptyStr(&suser[i]); ++i) {
                suser[i] = tolower(suser[i]);
                if (!isalnum(suser[i])) suser[i]='_';
        }
@@ -1703,7 +1721,7 @@ int CtdlOutputPreLoadedMsg(
                }
 
                /* Construct a fun message id */
-               cprintf("Message-ID: <%s", mid);
+               cprintf("Message-ID: <%s", mid);/// todo: this possibly breaks threadding mails.
                if (strchr(mid, '@')==NULL) {
                        cprintf("@%s", snode);
                }
@@ -1715,7 +1733,7 @@ int CtdlOutputPreLoadedMsg(
                else if (!is_room_aide() && (TheMessage->cm_anon_type == MES_ANONOPT)) {
                        cprintf("From: \"anonymous\" <x@x.org>%s", nl);
                }
-               else if (strlen(fuser) > 0) {
+               else if (!IsEmptyStr(fuser)) {
                        cprintf("From: \"%s\" <%s>%s", luser, fuser, nl);
                }
                else {
@@ -1805,22 +1823,27 @@ START_TEXT:
         * what message transfer format is in use.
         */
        if (TheMessage->cm_format_type == FMT_FIXED) {
+               int buflen;
                if (mode == MT_MIME) {
                        cprintf("Content-type: text/plain\n\n");
                }
-               strcpy(buf, "");
+               *buf = '\0';
+               buflen = 0;
                while (ch = *mptr++, ch > 0) {
                        if (ch == 13)
                                ch = 10;
-                       if ((ch == 10) || (strlen(buf) > 250)) {
+                       if ((ch == 10) || (buflen > 250)) {
+                               buf[buflen] = '\0';
                                cprintf("%s%s", buf, nl);
-                               strcpy(buf, "");
+                               *buf = '\0';
+                               buflen = 0;
                        } else {
-                               buf[strlen(buf) + 1] = 0;
-                               buf[strlen(buf)] = ch;
+                               buf[buflen] = ch;
+                               buflen++;
                        }
                }
-               if (strlen(buf) > 0)
+               buf[buflen] = '\0';
+               if (!IsEmptyStr(buf))
                        cprintf("%s%s", buf, nl);
        }
 
@@ -1854,7 +1877,7 @@ START_TEXT:
                                *choose_preferred, *fixed_output_pre,
                                *fixed_output_post, (void *)&ma, 0);
                        mime_parser(mptr, NULL,
-                               *output_preferred, NULL, NULL, (void *)&ma, 0);
+                               *output_preferred, NULL, NULL, (void *)&ma, CC->msg4_dont_decode);
                }
                else {
                        ma.use_fo_hooks = 1;
@@ -1963,9 +1986,14 @@ void cmd_msg4(char *cmdbuf)
  */
 void cmd_msgp(char *cmdbuf)
 {
-       safestrncpy(CC->preferred_formats, cmdbuf,
-                       sizeof(CC->preferred_formats));
-       cprintf("%d ok\n", CIT_OK);
+       if (!strcasecmp(cmdbuf, "dont_decode")) {
+               CC->msg4_dont_decode = 1;
+               cprintf("%d MSG4 will not pre-decode messages.\n", CIT_OK);
+       }
+       else {
+               safestrncpy(CC->preferred_formats, cmdbuf, sizeof(CC->preferred_formats));
+               cprintf("%d Preferred MIME formats have been set.\n", CIT_OK);
+       }
 }
 
 
@@ -2028,7 +2056,7 @@ int CtdlSaveMsgPointersInRoom(char *roomname, long newmsgidlist[], int num_newms
        long *msgs_to_be_merged = NULL;
        int num_msgs_to_be_merged = 0;
 
-       lprintf(CTDL_DEBUG,
+       CtdlLogPrintf(CTDL_DEBUG,
                "CtdlSaveMsgPointersInRoom(room=%s, num_msgs=%d, repl=%d)\n",
                roomname, num_newmsgs, do_repl_check);
 
@@ -2043,7 +2071,7 @@ int CtdlSaveMsgPointersInRoom(char *roomname, long newmsgidlist[], int num_newms
        if (lgetroom(&CC->room,
           ((roomname != NULL) ? roomname : CC->room.QRname) )
           != 0) {
-               lprintf(CTDL_ERR, "No such room <%s>\n", roomname);
+               CtdlLogPrintf(CTDL_ERR, "No such room <%s>\n", roomname);
                return(ERROR + ROOM_NOT_FOUND);
        }
 
@@ -2080,14 +2108,14 @@ int CtdlSaveMsgPointersInRoom(char *roomname, long newmsgidlist[], int num_newms
                }
        }
 
-       lprintf(9, "%d unique messages to be merged\n", num_msgs_to_be_merged);
+       CtdlLogPrintf(9, "%d unique messages to be merged\n", num_msgs_to_be_merged);
 
        /*
         * Now merge the new messages
         */
        msglist = realloc(msglist, (sizeof(long) * (num_msgs + num_msgs_to_be_merged)) );
        if (msglist == NULL) {
-               lprintf(CTDL_ALERT, "ERROR: can't realloc message list!\n");
+               CtdlLogPrintf(CTDL_ALERT, "ERROR: can't realloc message list!\n");
        }
        memcpy(&msglist[num_msgs], msgs_to_be_merged, (sizeof(long) * num_msgs_to_be_merged) );
        num_msgs += num_msgs_to_be_merged;
@@ -2111,7 +2139,7 @@ int CtdlSaveMsgPointersInRoom(char *roomname, long newmsgidlist[], int num_newms
 
        /* Perform replication checks if necessary */
        if ( (DoesThisRoomNeedEuidIndexing(&CC->room)) && (do_repl_check) ) {
-               lprintf(CTDL_DEBUG, "CtdlSaveMsgPointerInRoom() doing repl checks\n");
+               CtdlLogPrintf(CTDL_DEBUG, "CtdlSaveMsgPointerInRoom() doing repl checks\n");
 
                for (i=0; i<num_msgs_to_be_merged; ++i) {
                        msgid = msgs_to_be_merged[i];
@@ -2141,7 +2169,7 @@ int CtdlSaveMsgPointersInRoom(char *roomname, long newmsgidlist[], int num_newms
        }
 
        else {
-               lprintf(CTDL_DEBUG, "CtdlSaveMsgPointerInRoom() skips repl checks\n");
+               CtdlLogPrintf(CTDL_DEBUG, "CtdlSaveMsgPointerInRoom() skips repl checks\n");
        }
 
        /* Submit this room for processing by hooks */
@@ -2228,7 +2256,7 @@ long send_message(struct CtdlMessage *msg) {
        /* Write our little bundle of joy into the message base */
        if (cdb_store(CDB_MSGMAIN, &newmsgid, (int)sizeof(long),
                      smr.ser, smr.len) < 0) {
-               lprintf(CTDL_ERR, "Can't store message\n");
+               CtdlLogPrintf(CTDL_ERR, "Can't store message\n");
                retval = 0L;
        } else {
                if (is_bigmsg) {
@@ -2271,7 +2299,7 @@ void serialize_message(struct ser_ret *ret,               /* return values */
         * Check for valid message format
         */
        if (is_valid_message(msg) == 0) {
-               lprintf(CTDL_ERR, "serialize_message() aborting due to invalid message\n");
+               CtdlLogPrintf(CTDL_ERR, "serialize_message() aborting due to invalid message\n");
                ret->len = 0;
                ret->ser = NULL;
                return;
@@ -2284,7 +2312,7 @@ void serialize_message(struct ser_ret *ret,               /* return values */
 
        ret->ser = malloc(ret->len);
        if (ret->ser == NULL) {
-               lprintf(CTDL_ERR, "serialize_message() malloc(%ld) failed: %s\n",
+               CtdlLogPrintf(CTDL_ERR, "serialize_message() malloc(%ld) failed: %s\n",
                        (long)ret->len, strerror(errno));
                ret->len = 0;
                ret->ser = NULL;
@@ -2302,13 +2330,50 @@ void serialize_message(struct ser_ret *ret,             /* return values */
                safestrncpy((char *)&ret->ser[wlen], msg->cm_fields[(int)forder[i]], fieldlen+1);
                wlen = wlen + fieldlen + 1;
        }
-       if (ret->len != wlen) lprintf(CTDL_ERR, "ERROR: len=%ld wlen=%ld\n",
+       if (ret->len != wlen) CtdlLogPrintf(CTDL_ERR, "ERROR: len=%ld wlen=%ld\n",
                (long)ret->len, (long)wlen);
 
        return;
 }
 
 
+/*
+ * Serialize a struct CtdlMessage into the format used on disk and network.
+ * 
+ * This function loads up a "struct ser_ret" (defined in server.h) which
+ * contains the length of the serialized message and a pointer to the
+ * serialized message in memory.  THE LATTER MUST BE FREED BY THE CALLER.
+ */
+void dump_message(struct CtdlMessage *msg,     /* unserialized msg */
+                 long Siz)                     /* how many chars ? */
+{
+       size_t wlen;
+       int i;
+       static char *forder = FORDER;
+       char *buf;
+
+       /*
+        * Check for valid message format
+        */
+       if (is_valid_message(msg) == 0) {
+               CtdlLogPrintf(CTDL_ERR, "dump_message() aborting due to invalid message\n");
+               return;
+       }
+
+       buf = (char*) malloc (Siz + 1);
+
+       wlen = 3;
+       
+       for (i=0; i<26; ++i) if (msg->cm_fields[(int)forder[i]] != NULL) {
+                       snprintf (buf, Siz, " msg[%c] = %s ...\n", (char) forder[i], 
+                                  msg->cm_fields[(int)forder[i]]);
+                       client_write (buf, strlen(buf));
+               }
+
+       return;
+}
+
+
 
 /*
  * Check to see if any messages already exist in the current room which
@@ -2319,19 +2384,19 @@ void ReplicationChecks(struct CtdlMessage *msg) {
 
        if (DoesThisRoomNeedEuidIndexing(&CC->room) == 0) return;
 
-       lprintf(CTDL_DEBUG, "Performing replication checks in <%s>\n",
+       CtdlLogPrintf(CTDL_DEBUG, "Performing replication checks in <%s>\n",
                CC->room.QRname);
 
        /* No exclusive id?  Don't do anything. */
        if (msg == NULL) return;
        if (msg->cm_fields['E'] == NULL) return;
-       if (strlen(msg->cm_fields['E']) == 0) return;
-       /*lprintf(CTDL_DEBUG, "Exclusive ID: <%s> for room <%s>\n",
+       if (IsEmptyStr(msg->cm_fields['E'])) return;
+       /*CtdlLogPrintf(CTDL_DEBUG, "Exclusive ID: <%s> for room <%s>\n",
                msg->cm_fields['E'], CC->room.QRname);*/
 
        old_msgnum = locate_message_by_euid(msg->cm_fields['E'], &CC->room);
        if (old_msgnum > 0L) {
-               lprintf(CTDL_DEBUG, "ReplicationChecks() replacing message %ld\n", old_msgnum);
+               CtdlLogPrintf(CTDL_DEBUG, "ReplicationChecks() replacing message %ld\n", old_msgnum);
                CtdlDeleteMessages(CC->room.QRname, &old_msgnum, 1, "");
        }
 }
@@ -2368,8 +2433,9 @@ long CtdlSubmitMsg(struct CtdlMessage *msg,       /* message to save */
        struct addresses_to_be_filed *aptr = NULL;
        char *saved_rfc822_version = NULL;
        int qualified_for_journaling = 0;
+       struct CitContext *CCC = CC;            /* CachedCitContext - performance boost */
 
-       lprintf(CTDL_DEBUG, "CtdlSubmitMsg() called\n");
+       CtdlLogPrintf(CTDL_DEBUG, "CtdlSubmitMsg() called\n");
        if (is_valid_message(msg) == 0) return(-1);     /* self check */
 
        /* If this message has no timestamp, we take the liberty of
@@ -2385,7 +2451,7 @@ long CtdlSubmitMsg(struct CtdlMessage *msg,       /* message to save */
        if (msg->cm_fields['P'] == NULL) {
                if (msg->cm_fields['A'] != NULL) {
                        msg->cm_fields['P'] = strdup(msg->cm_fields['A']);
-                       for (a=0; a<strlen(msg->cm_fields['P']); ++a) {
+                       for (a=0; !IsEmptyStr(&msg->cm_fields['P'][a]); ++a) {
                                if (isspace(msg->cm_fields['P'][a])) {
                                        msg->cm_fields['P'][a] = ' ';
                                }
@@ -2405,7 +2471,7 @@ long CtdlSubmitMsg(struct CtdlMessage *msg,       /* message to save */
 
        /* Learn about what's inside, because it's what's inside that counts */
        if (msg->cm_fields['M'] == NULL) {
-               lprintf(CTDL_ERR, "ERROR: attempt to save message with NULL body\n");
+               CtdlLogPrintf(CTDL_ERR, "ERROR: attempt to save message with NULL body\n");
                return(-2);
        }
 
@@ -2420,44 +2486,47 @@ long CtdlSubmitMsg(struct CtdlMessage *msg,     /* message to save */
                strcpy(content_type, "text/plain");
                mptr = bmstrcasestr(msg->cm_fields['M'], "Content-type:");
                if (mptr != NULL) {
+                       char *aptr;
                        safestrncpy(content_type, &mptr[13], sizeof content_type);
                        striplt(content_type);
-                       for (a = 0; a < strlen(content_type); ++a) {
-                               if ((content_type[a] == ';')
-                                   || (content_type[a] == ' ')
-                                   || (content_type[a] == 13)
-                                   || (content_type[a] == 10)) {
-                                       content_type[a] = 0;
+                       aptr = content_type;
+                       while (!IsEmptyStr(aptr)) {
+                               if ((*aptr == ';')
+                                   || (*aptr == ' ')
+                                   || (*aptr == 13)
+                                   || (*aptr == 10)) {
+                                       *aptr = 0;
                                }
+                               else aptr++;
                        }
                }
        }
 
        /* Goto the correct room */
-       lprintf(CTDL_DEBUG, "Selected room %s\n", (recps) ? CC->room.QRname : SENTITEMS);
-       strcpy(hold_rm, CC->room.QRname);
-       strcpy(actual_rm, CC->room.QRname);
+       CtdlLogPrintf(CTDL_DEBUG, "Selected room %s\n", (recps) ? CCC->room.QRname : SENTITEMS);
+       strcpy(hold_rm, CCC->room.QRname);
+       strcpy(actual_rm, CCC->room.QRname);
        if (recps != NULL) {
                strcpy(actual_rm, SENTITEMS);
        }
 
        /* If the user is a twit, move to the twit room for posting */
        if (TWITDETECT) {
-               if (CC->user.axlevel == 2) {
+               if (CCC->user.axlevel == 2) {
                        strcpy(hold_rm, actual_rm);
                        strcpy(actual_rm, config.c_twitroom);
-                       lprintf(CTDL_DEBUG, "Diverting to twit room\n");
+                       CtdlLogPrintf(CTDL_DEBUG, "Diverting to twit room\n");
                }
        }
 
        /* ...or if this message is destined for Aide> then go there. */
-       if (strlen(force_room) > 0) {
+       if (!IsEmptyStr(force_room)) {
                strcpy(actual_rm, force_room);
        }
 
-       lprintf(CTDL_DEBUG, "Final selection: %s\n", actual_rm);
-       if (strcasecmp(actual_rm, CC->room.QRname)) {
-               /* getroom(&CC->room, actual_rm); */
+       CtdlLogPrintf(CTDL_DEBUG, "Final selection: %s\n", actual_rm);
+       if (strcasecmp(actual_rm, CCC->room.QRname)) {
+               /* getroom(&CCC->room, actual_rm); */
                usergoto(actual_rm, 0, 1, NULL, NULL);
        }
 
@@ -2465,23 +2534,23 @@ long CtdlSubmitMsg(struct CtdlMessage *msg,     /* message to save */
         * If this message has no O (room) field, generate one.
         */
        if (msg->cm_fields['O'] == NULL) {
-               msg->cm_fields['O'] = strdup(CC->room.QRname);
+               msg->cm_fields['O'] = strdup(CCC->room.QRname);
        }
 
        /* Perform "before save" hooks (aborting if any return nonzero) */
-       lprintf(CTDL_DEBUG, "Performing before-save hooks\n");
+       CtdlLogPrintf(CTDL_DEBUG, "Performing before-save hooks\n");
        if (PerformMessageHooks(msg, EVT_BEFORESAVE) > 0) return(-3);
 
        /*
         * If this message has an Exclusive ID, and the room is replication
         * checking enabled, then do replication checks.
         */
-       if (DoesThisRoomNeedEuidIndexing(&CC->room)) {
+       if (DoesThisRoomNeedEuidIndexing(&CCC->room)) {
                ReplicationChecks(msg);
        }
 
        /* Save it to disk */
-       lprintf(CTDL_DEBUG, "Saving to disk\n");
+       CtdlLogPrintf(CTDL_DEBUG, "Saving to disk\n");
        newmsgid = send_message(msg);
        if (newmsgid <= 0L) return(-5);
 
@@ -2489,7 +2558,7 @@ long CtdlSubmitMsg(struct CtdlMessage *msg,       /* message to save */
         * be a critical section because nobody else knows about this message
         * yet.
         */
-       lprintf(CTDL_DEBUG, "Creating MetaData record\n");
+       CtdlLogPrintf(CTDL_DEBUG, "Creating MetaData record\n");
        memset(&smi, 0, sizeof(struct MetaData));
        smi.meta_msgnum = newmsgid;
        smi.meta_refcount = 0;
@@ -2506,32 +2575,32 @@ long CtdlSubmitMsg(struct CtdlMessage *msg,     /* message to save */
         * 2. If journaling is enabled, we will need an RFC822 version of the
         *    message to attach to the journalized copy.
         */
-       if (CC->redirect_buffer != NULL) {
-               lprintf(CTDL_ALERT, "CC->redirect_buffer is not NULL during message submission!\n");
+       if (CCC->redirect_buffer != NULL) {
+               CtdlLogPrintf(CTDL_ALERT, "CCC->redirect_buffer is not NULL during message submission!\n");
                abort();
        }
-       CC->redirect_buffer = malloc(SIZ);
-       CC->redirect_len = 0;
-       CC->redirect_alloc = SIZ;
+       CCC->redirect_buffer = malloc(SIZ);
+       CCC->redirect_len = 0;
+       CCC->redirect_alloc = SIZ;
        CtdlOutputPreLoadedMsg(msg, MT_RFC822, HEADERS_ALL, 0, 1);
-       smi.meta_rfc822_length = CC->redirect_len;
-       saved_rfc822_version = CC->redirect_buffer;
-       CC->redirect_buffer = NULL;
-       CC->redirect_len = 0;
-       CC->redirect_alloc = 0;
+       smi.meta_rfc822_length = CCC->redirect_len;
+       saved_rfc822_version = CCC->redirect_buffer;
+       CCC->redirect_buffer = NULL;
+       CCC->redirect_len = 0;
+       CCC->redirect_alloc = 0;
 
        PutMetaData(&smi);
 
        /* Now figure out where to store the pointers */
-       lprintf(CTDL_DEBUG, "Storing pointers\n");
+       CtdlLogPrintf(CTDL_DEBUG, "Storing pointers\n");
 
        /* If this is being done by the networker delivering a private
         * message, we want to BYPASS saving the sender's copy (because there
         * is no local sender; it would otherwise go to the Trashcan).
         */
-       if ((!CC->internal_pgm) || (recps == NULL)) {
+       if ((!CCC->internal_pgm) || (recps == NULL)) {
                if (CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 1, msg) != 0) {
-                       lprintf(CTDL_ERR, "ERROR saving message pointer!\n");
+                       CtdlLogPrintf(CTDL_ERR, "ERROR saving message pointer!\n");
                        CtdlSaveMsgPointerInRoom(config.c_aideroom, newmsgid, 0, msg);
                }
        }
@@ -2548,15 +2617,15 @@ long CtdlSubmitMsg(struct CtdlMessage *msg,     /* message to save */
          for (i=0; i<num_tokens(recps->recp_room, '|'); ++i) {
                extract_token(recipient, recps->recp_room, i,
                                        '|', sizeof recipient);
-               lprintf(CTDL_DEBUG, "Delivering to room <%s>\n", recipient);
+               CtdlLogPrintf(CTDL_DEBUG, "Delivering to room <%s>\n", recipient);
                CtdlSaveMsgPointerInRoom(recipient, newmsgid, 0, msg);
        }
 
        /* Bump this user's messages posted counter. */
-       lprintf(CTDL_DEBUG, "Updating user\n");
-       lgetuser(&CC->user, CC->curr_user);
-       CC->user.posted = CC->user.posted + 1;
-       lputuser(&CC->user);
+       CtdlLogPrintf(CTDL_DEBUG, "Updating user\n");
+       lgetuser(&CCC->user, CCC->curr_user);
+       CCC->user.posted = CCC->user.posted + 1;
+       lputuser(&CCC->user);
 
        /* If this is private, local mail, make a copy in the
         * recipient's mailbox and bump the reference count.
@@ -2566,7 +2635,7 @@ long CtdlSubmitMsg(struct CtdlMessage *msg,       /* message to save */
          for (i=0; i<num_tokens(recps->recp_local, '|'); ++i) {
                extract_token(recipient, recps->recp_local, i,
                                        '|', sizeof recipient);
-               lprintf(CTDL_DEBUG, "Delivering private local mail to <%s>\n",
+               CtdlLogPrintf(CTDL_DEBUG, "Delivering private local mail to <%s>\n",
                        recipient);
                if (getuser(&userbuf, recipient) == 0) {
                        // Add a flag so the Funambol module knows its mail
@@ -2574,7 +2643,7 @@ long CtdlSubmitMsg(struct CtdlMessage *msg,       /* message to save */
                        MailboxName(actual_rm, sizeof actual_rm, &userbuf, MAILROOM);
                        CtdlSaveMsgPointerInRoom(actual_rm, newmsgid, 0, msg);
                        BumpNewMailCounter(userbuf.usernum);
-                       if (strlen(config.c_funambol_host) > 0) {
+                       if (!IsEmptyStr(config.c_funambol_host) || !IsEmptyStr(config.c_pager_program)) {
                        /* Generate a instruction message for the Funambol notification
                         * server, in the same style as the SMTP queue
                         */
@@ -2601,14 +2670,14 @@ long CtdlSubmitMsg(struct CtdlMessage *msg,     /* message to save */
                        }
                }
                else {
-                       lprintf(CTDL_DEBUG, "No user <%s>\n", recipient);
+                       CtdlLogPrintf(CTDL_DEBUG, "No user <%s>\n", recipient);
                        CtdlSaveMsgPointerInRoom(config.c_aideroom,
                                newmsgid, 0, msg);
                }
        }
 
        /* Perform "after save" hooks */
-       lprintf(CTDL_DEBUG, "Performing after-save hooks\n");
+       CtdlLogPrintf(CTDL_DEBUG, "Performing after-save hooks\n");
        PerformMessageHooks(msg, EVT_AFTERSAVE);
 
        /* For IGnet mail, we have to save a new copy into the spooler for
@@ -2637,7 +2706,7 @@ long CtdlSubmitMsg(struct CtdlMessage *msg,       /* message to save */
                        snprintf(submit_filename, sizeof submit_filename,
                                         "%s/netmail.%04lx.%04x.%04x",
                                         ctdl_netin_dir,
-                                        (long) getpid(), CC->cs_pid, ++seqnum);
+                                        (long) getpid(), CCC->cs_pid, ++seqnum);
                        network_fp = fopen(submit_filename, "wb+");
                        if (network_fp != NULL) {
                                fwrite(smr.ser, smr.len, 1, network_fp);
@@ -2653,8 +2722,8 @@ long CtdlSubmitMsg(struct CtdlMessage *msg,       /* message to save */
        }
 
        /* Go back to the room we started from */
-       lprintf(CTDL_DEBUG, "Returning to original room %s\n", hold_rm);
-       if (strcasecmp(hold_rm, CC->room.QRname))
+       CtdlLogPrintf(CTDL_DEBUG, "Returning to original room %s\n", hold_rm);
+       if (strcasecmp(hold_rm, CCC->room.QRname))
                usergoto(hold_rm, 0, 1, NULL, NULL);
 
        /* For internet mail, generate delivery instructions.
@@ -2664,7 +2733,7 @@ long CtdlSubmitMsg(struct CtdlMessage *msg,       /* message to save */
         */
        if (recps != NULL)
         if (recps->num_internet > 0) {
-               lprintf(CTDL_DEBUG, "Generating delivery instructions\n");
+               CtdlLogPrintf(CTDL_DEBUG, "Generating delivery instructions\n");
                instr_alloc = 1024;
                instr = malloc(instr_alloc);
                snprintf(instr, instr_alloc,
@@ -2699,7 +2768,7 @@ long CtdlSubmitMsg(struct CtdlMessage *msg,       /* message to save */
        /*
         * Any addresses to harvest for someone's address book?
         */
-       if ( (CC->logged_in) && (recps != NULL) ) {
+       if ( (CCC->logged_in) && (recps != NULL) ) {
                collected_addresses = harvest_collected_addresses(msg);
        }
 
@@ -2709,7 +2778,7 @@ long CtdlSubmitMsg(struct CtdlMessage *msg,       /* message to save */
                        malloc(sizeof(struct addresses_to_be_filed));
                aptr->next = atbf;
                MailboxName(actual_rm, sizeof actual_rm,
-                       &CC->user, USERCONTACTSROOM);
+                       &CCC->user, USERCONTACTSROOM);
                aptr->roomname = strdup(actual_rm);
                aptr->collected_addresses = collected_addresses;
                atbf = aptr;
@@ -2789,7 +2858,7 @@ void quickie_message(char *from, char *fromaddr, char *to, char *room, char *tex
        msg->cm_fields['N'] = strdup(NODENAME);
        if (to != NULL) {
                msg->cm_fields['R'] = strdup(to);
-               recp = validate_recipients(to);
+               recp = validate_recipients(to, NULL, 0);
        }
        if (subject != NULL) {
                msg->cm_fields['U'] = strdup(subject);
@@ -2810,7 +2879,8 @@ char *CtdlReadMessageBody(char *terminator,       /* token signalling EOT */
                        size_t maxlen,          /* maximum message length */
                        char *exist,            /* if non-null, append to it;
                                                   exist is ALWAYS freed  */
-                       int crlf                /* CRLF newlines instead of LF */
+                       int crlf,               /* CRLF newlines instead of LF */
+                       int sock                /* socket handle or 0 for this session's client socket */
                        ) {
        char buf[1024];
        int linelen;
@@ -2850,7 +2920,12 @@ char *CtdlReadMessageBody(char *terminator,      /* token signalling EOT */
 
        /* read in the lines of message text one by one */
        do {
-               if (client_getln(buf, (sizeof buf - 3)) < 1) finished = 1;
+               if (sock > 0) {
+                       if (sock_getln(sock, buf, (sizeof buf - 3)) < 0) finished = 1;
+               }
+               else {
+                       if (client_getln(buf, (sizeof buf - 3)) < 1) finished = 1;
+               }
                if (!strcmp(buf, terminator)) finished = 1;
                if (crlf) {
                        strcat(buf, "\r\n");
@@ -2878,7 +2953,7 @@ char *CtdlReadMessageBody(char *terminator,       /* token signalling EOT */
                                } else {
                                        buffer_len = (buffer_len * 2);
                                        m = ptr;
-                                       lprintf(CTDL_DEBUG, "buffer_len is now %ld\n", (long)buffer_len);
+                                       CtdlLogPrintf(CTDL_DEBUG, "buffer_len is now %ld\n", (long)buffer_len);
                                }
                        }
        
@@ -2925,7 +3000,6 @@ struct CtdlMessage *CtdlMakeMessage(
        char dest_node[256];
        char buf[1024];
        struct CtdlMessage *msg;
-       int i;
 
        msg = malloc(sizeof(struct CtdlMessage));
        memset(msg, 0, sizeof(struct CtdlMessage));
@@ -2942,18 +3016,14 @@ struct CtdlMessage *CtdlMakeMessage(
        /* Path or Return-Path */
        if (my_email == NULL) my_email = "";
 
-       if (strlen(my_email) > 0) {
+       if (!IsEmptyStr(my_email)) {
                msg->cm_fields['P'] = strdup(my_email);
        }
        else {
                snprintf(buf, sizeof buf, "%s", author->fullname);
                msg->cm_fields['P'] = strdup(buf);
        }
-       for (i=0; (msg->cm_fields['P'][i]!=0); ++i) {
-               if (isspace(msg->cm_fields['P'][i])) {
-                       msg->cm_fields['P'][i] = '_';
-               }
-       }
+       convert_spaces_to_underscores(msg->cm_fields['P']);
 
        snprintf(buf, sizeof buf, "%ld", (long)time(NULL));     /* timestamp */
        msg->cm_fields['T'] = strdup(buf);
@@ -2983,10 +3053,10 @@ struct CtdlMessage *CtdlMakeMessage(
                msg->cm_fields['D'] = strdup(dest_node);
        }
 
-       if (strlen(my_email) > 0) {
+       if (!IsEmptyStr(my_email)) {
                msg->cm_fields['F'] = strdup(my_email);
        }
-       else if ( (author == &CC->user) && (strlen(CC->cs_inet_email) > 0) ) {
+       else if ( (author == &CC->user) && (!IsEmptyStr(CC->cs_inet_email)) ) {
                msg->cm_fields['F'] = strdup(CC->cs_inet_email);
        }
 
@@ -3020,7 +3090,7 @@ struct CtdlMessage *CtdlMakeMessage(
                msg->cm_fields['M'] = preformatted_text;
        }
        else {
-               msg->cm_fields['M'] = CtdlReadMessageBody("000", config.c_maxmsglen, NULL, 0);
+               msg->cm_fields['M'] = CtdlReadMessageBody("000", config.c_maxmsglen, NULL, 0, 0);
        }
 
        return(msg);
@@ -3032,13 +3102,65 @@ struct CtdlMessage *CtdlMakeMessage(
  * room.  Returns a *CITADEL ERROR CODE* and puts a message in errmsgbuf, or
  * returns 0 on success.
  */
-int CtdlDoIHavePermissionToPostInThisRoom(char *errmsgbuf, size_t n) {
+int CtdlDoIHavePermissionToPostInThisRoom(char *errmsgbuf, 
+                                         size_t n, 
+                                         const char* RemoteIdentifier,
+                                         int PostPublic) {
        int ra;
 
-       if (!(CC->logged_in)) {
+       if (!(CC->logged_in) && 
+           (PostPublic == POST_LOGGED_IN)) {
                snprintf(errmsgbuf, n, "Not logged in.");
                return (ERROR + NOT_LOGGED_IN);
        }
+       else if (PostPublic == CHECK_EXISTANCE) {
+               return (0); // We're Evaling whether a recipient exists
+       }
+       else if (!(CC->logged_in)) {
+               
+               if ((CC->room.QRflags & QR_READONLY)) {
+                       snprintf(errmsgbuf, n, "Not logged in.");
+                       return (ERROR + NOT_LOGGED_IN);
+               }
+               if (CC->room.QRflags2 & QR2_MODERATED) {
+                       snprintf(errmsgbuf, n, "Not logged in Moderation feature not yet implemented!");
+                       return (ERROR + NOT_LOGGED_IN);
+               }
+               if ((PostPublic!=POST_LMTP) &&(CC->room.QRflags2 & QR2_SMTP_PUBLIC) == 0) {
+                       SpoolControl *sc;
+                       char filename[SIZ];
+                       int found;
+
+                       if (RemoteIdentifier == NULL)
+                       {
+                               snprintf(errmsgbuf, n, "Need sender to permit access.");
+                               return (ERROR + USERNAME_REQUIRED);
+                       }
+
+                       assoc_file_name(filename, sizeof filename, &CC->room, ctdl_netcfg_dir);
+                       begin_critical_section(S_NETCONFIGS);
+                       if (!read_spoolcontrol_file(&sc, filename))
+                       {
+                               end_critical_section(S_NETCONFIGS);
+                               snprintf(errmsgbuf, n,
+                                       "This mailing list only accepts posts from subscribers.");
+                               return (ERROR + NO_SUCH_USER);
+                       }
+                       end_critical_section(S_NETCONFIGS);
+                       found = is_recipient (sc, RemoteIdentifier);
+                       free_spoolcontrol_struct(&sc);
+                       if (found) {
+                               return (0);
+                       }
+                       else {
+                               snprintf(errmsgbuf, n,
+                                       "This mailing list only accepts posts from subscribers.");
+                               return (ERROR + NO_SUCH_USER);
+                       }
+               }
+               return (0);
+
+       }
 
        if ((CC->user.axlevel < 2)
            && ((CC->room.QRflags & QR_MAILBOX) == 0)) {
@@ -3090,7 +3212,9 @@ int CtdlCheckInternetMailPermission(struct ctdluser *who) {
  *
  * Caller needs to free the result using free_recipients()
  */
-struct recptypes *validate_recipients(char *supplied_recipients) {
+struct recptypes *validate_recipients(char *supplied_recipients, 
+                                     const char *RemoteIdentifier, 
+                                     int Flags) {
        struct recptypes *ret;
        char *recipients = NULL;
        char this_recp[256];
@@ -3102,6 +3226,9 @@ struct recptypes *validate_recipients(char *supplied_recipients) {
        int invalid;
        struct ctdluser tempUS;
        struct ctdlroom tempQR;
+       struct ctdlroom tempQR2;
+       int err = 0;
+       char errmsg[SIZ];
        int in_quotes = 0;
 
        /* Initialize */
@@ -3140,7 +3267,7 @@ struct recptypes *validate_recipients(char *supplied_recipients) {
        ret->recptypes_magic = RECPTYPES_MAGIC;
 
        /* Change all valid separator characters to commas */
-       for (i=0; i<strlen(recipients); ++i) {
+       for (i=0; !IsEmptyStr(&recipients[i]); ++i) {
                if ((recipients[i] == ';') || (recipients[i] == '|')) {
                        recipients[i] = ',';
                }
@@ -3148,7 +3275,7 @@ struct recptypes *validate_recipients(char *supplied_recipients) {
 
        /* Now start extracting recipients... */
 
-       while (strlen(recipients) > 0) {
+       while (!IsEmptyStr(recipients)) {
 
                for (i=0; i<=strlen(recipients); ++i) {
                        if (recipients[i] == '\"') in_quotes = 1 - in_quotes;
@@ -3166,12 +3293,15 @@ struct recptypes *validate_recipients(char *supplied_recipients) {
                }
 
                striplt(this_recp);
-               lprintf(CTDL_DEBUG, "Evaluating recipient #%d: %s\n", num_recps, this_recp);
+               if (IsEmptyStr(this_recp))
+                       break;
+               CtdlLogPrintf(CTDL_DEBUG, "Evaluating recipient #%d: %s\n", num_recps, this_recp);
                ++num_recps;
                mailtype = alias(this_recp);
                mailtype = alias(this_recp);
                mailtype = alias(this_recp);
-               for (j=0; j<=strlen(this_recp); ++j) {
+               j = 0;
+               for (j=0; !IsEmptyStr(&this_recp[j]); ++j) {
                        if (this_recp[j]=='_') {
                                this_recp_cooked[j] = ' ';
                        }
@@ -3179,21 +3309,53 @@ struct recptypes *validate_recipients(char *supplied_recipients) {
                                this_recp_cooked[j] = this_recp[j];
                        }
                }
+               this_recp_cooked[j] = '\0';
                invalid = 0;
+               errmsg[0] = 0;
                switch(mailtype) {
                        case MES_LOCAL:
                                if (!strcasecmp(this_recp, "sysop")) {
                                        ++ret->num_room;
                                        strcpy(this_recp, config.c_aideroom);
-                                       if (strlen(ret->recp_room) > 0) {
+                                       if (!IsEmptyStr(ret->recp_room)) {
                                                strcat(ret->recp_room, "|");
                                        }
                                        strcat(ret->recp_room, this_recp);
                                }
+                               else if ( (!strncasecmp(this_recp, "room_", 5))
+                                     && (!getroom(&tempQR, &this_recp_cooked[5])) ) {
+
+                                       /* Save room so we can restore it later */
+                                       tempQR2 = CC->room;
+                                       CC->room = tempQR;
+                                       
+                                       /* Check permissions to send mail to this room */
+                                       err = CtdlDoIHavePermissionToPostInThisRoom(errmsg, 
+                                                                                   sizeof errmsg, 
+                                                                                   RemoteIdentifier,
+                                                                                   Flags
+                                       );
+                                       if (err)
+                                       {
+                                               ++ret->num_error;
+                                               invalid = 1;
+                                       } 
+                                       else {
+                                               ++ret->num_room;
+                                               if (!IsEmptyStr(ret->recp_room)) {
+                                                       strcat(ret->recp_room, "|");
+                                               }
+                                               strcat(ret->recp_room, &this_recp_cooked[5]);
+                                       }
+                                       
+                                       /* Restore room in case something needs it */
+                                       CC->room = tempQR2;
+
+                               }
                                else if (getuser(&tempUS, this_recp) == 0) {
                                        ++ret->num_local;
                                        strcpy(this_recp, tempUS.fullname);
-                                       if (strlen(ret->recp_local) > 0) {
+                                       if (!IsEmptyStr(ret->recp_local)) {
                                                strcat(ret->recp_local, "|");
                                        }
                                        strcat(ret->recp_local, this_recp);
@@ -3201,19 +3363,11 @@ struct recptypes *validate_recipients(char *supplied_recipients) {
                                else if (getuser(&tempUS, this_recp_cooked) == 0) {
                                        ++ret->num_local;
                                        strcpy(this_recp, tempUS.fullname);
-                                       if (strlen(ret->recp_local) > 0) {
+                                       if (!IsEmptyStr(ret->recp_local)) {
                                                strcat(ret->recp_local, "|");
                                        }
                                        strcat(ret->recp_local, this_recp);
                                }
-                               else if ( (!strncasecmp(this_recp, "room_", 5))
-                                     && (!getroom(&tempQR, &this_recp_cooked[5])) ) {
-                                       ++ret->num_room;
-                                       if (strlen(ret->recp_room) > 0) {
-                                               strcat(ret->recp_room, "|");
-                                       }
-                                       strcat(ret->recp_room, &this_recp_cooked[5]);
-                               }
                                else {
                                        ++ret->num_error;
                                        invalid = 1;
@@ -3232,7 +3386,7 @@ struct recptypes *validate_recipients(char *supplied_recipients) {
                                }
                                else {
                                        ++ret->num_internet;
-                                       if (strlen(ret->recp_internet) > 0) {
+                                       if (!IsEmptyStr(ret->recp_internet)) {
                                                strcat(ret->recp_internet, "|");
                                        }
                                        strcat(ret->recp_internet, this_recp);
@@ -3240,7 +3394,7 @@ struct recptypes *validate_recipients(char *supplied_recipients) {
                                break;
                        case MES_IGNET:
                                ++ret->num_ignet;
-                               if (strlen(ret->recp_ignet) > 0) {
+                               if (!IsEmptyStr(ret->recp_ignet)) {
                                        strcat(ret->recp_ignet, "|");
                                }
                                strcat(ret->recp_ignet, this_recp);
@@ -3251,20 +3405,21 @@ struct recptypes *validate_recipients(char *supplied_recipients) {
                                break;
                }
                if (invalid) {
-                       if (strlen(ret->errormsg) == 0) {
-                               snprintf(append, sizeof append,
-                                        "Invalid recipient: %s",
-                                        this_recp);
+                       if (IsEmptyStr(errmsg)) {
+                               snprintf(append, sizeof append, "Invalid recipient: %s", this_recp);
                        }
                        else {
-                               snprintf(append, sizeof append, ", %s", this_recp);
+                               snprintf(append, sizeof append, "%s", errmsg);
                        }
-                       if ( (strlen(ret->errormsg) + strlen(append)) < SIZ) {
+                       if ( (strlen(ret->errormsg) + strlen(append) + 3) < SIZ) {
+                               if (!IsEmptyStr(ret->errormsg)) {
+                                       strcat(ret->errormsg, "; ");
+                               }
                                strcat(ret->errormsg, append);
                        }
                }
                else {
-                       if (strlen(ret->display_recp) == 0) {
+                       if (IsEmptyStr(ret->display_recp)) {
                                strcpy(append, this_recp);
                        }
                        else {
@@ -3282,12 +3437,12 @@ struct recptypes *validate_recipients(char *supplied_recipients) {
                strcpy(ret->errormsg, "No recipients specified.");
        }
 
-       lprintf(CTDL_DEBUG, "validate_recipients()\n");
-       lprintf(CTDL_DEBUG, " local: %d <%s>\n", ret->num_local, ret->recp_local);
-       lprintf(CTDL_DEBUG, "  room: %d <%s>\n", ret->num_room, ret->recp_room);
-       lprintf(CTDL_DEBUG, "  inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
-       lprintf(CTDL_DEBUG, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
-       lprintf(CTDL_DEBUG, " error: %d <%s>\n", ret->num_error, ret->errormsg);
+       CtdlLogPrintf(CTDL_DEBUG, "validate_recipients()\n");
+       CtdlLogPrintf(CTDL_DEBUG, " local: %d <%s>\n", ret->num_local, ret->recp_local);
+       CtdlLogPrintf(CTDL_DEBUG, "  room: %d <%s>\n", ret->num_room, ret->recp_room);
+       CtdlLogPrintf(CTDL_DEBUG, "  inet: %d <%s>\n", ret->num_internet, ret->recp_internet);
+       CtdlLogPrintf(CTDL_DEBUG, " ignet: %d <%s>\n", ret->num_ignet, ret->recp_ignet);
+       CtdlLogPrintf(CTDL_DEBUG, " error: %d <%s>\n", ret->num_error, ret->errormsg);
 
        free(recipients);
        return(ret);
@@ -3304,7 +3459,7 @@ void free_recipients(struct recptypes *valid) {
        }
 
        if (valid->recptypes_magic != RECPTYPES_MAGIC) {
-               lprintf(CTDL_EMERG, "Attempt to call free_recipients() on some other data type!\n");
+               CtdlLogPrintf(CTDL_EMERG, "Attempt to call free_recipients() on some other data type!\n");
                abort();
        }
 
@@ -3373,7 +3528,7 @@ void cmd_ent0(char *entargs)
 
        /* first check to make sure the request is valid. */
 
-       err = CtdlDoIHavePermissionToPostInThisRoom(errmsg, sizeof errmsg);
+       err = CtdlDoIHavePermissionToPostInThisRoom(errmsg, sizeof errmsg, NULL, POST_LOGGED_IN);
        if (err)
        {
                cprintf("%d %s\n", err, errmsg);
@@ -3382,7 +3537,7 @@ void cmd_ent0(char *entargs)
 
        /* Check some other permission type things. */
 
-       if (strlen(newusername) == 0) {
+       if (IsEmptyStr(newusername)) {
                strcpy(newusername, CC->user.fullname);
        }
        if (  (CC->user.axlevel < 6)
@@ -3397,15 +3552,15 @@ void cmd_ent0(char *entargs)
        }
 
 
-       if (strlen(newuseremail) == 0) {
+       if (IsEmptyStr(newuseremail)) {
                newuseremail_ok = 1;
        }
 
-       if (strlen(newuseremail) > 0) {
+       if (!IsEmptyStr(newuseremail)) {
                if (!strcasecmp(newuseremail, CC->cs_inet_email)) {
                        newuseremail_ok = 1;
                }
-               else if (strlen(CC->cs_inet_other_emails) > 0) {
+               else if (!IsEmptyStr(CC->cs_inet_other_emails)) {
                        j = num_tokens(CC->cs_inet_other_emails, '|');
                        for (i=0; i<j; ++i) {
                                extract_token(buf, CC->cs_inet_other_emails, i, '|', sizeof buf);
@@ -3441,24 +3596,24 @@ void cmd_ent0(char *entargs)
                        strcpy(bcc, "");
                }
 
-               valid_to = validate_recipients(recp);
+               valid_to = validate_recipients(recp, NULL, 0);
                if (valid_to->num_error > 0) {
-                       cprintf("%d Invalid recipient (To)\n", ERROR + NO_SUCH_USER);
+                       cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_to->errormsg);
                        free_recipients(valid_to);
                        return;
                }
 
-               valid_cc = validate_recipients(cc);
+               valid_cc = validate_recipients(cc, NULL, 0);
                if (valid_cc->num_error > 0) {
-                       cprintf("%d Invalid recipient (CC)\n", ERROR + NO_SUCH_USER);
+                       cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_cc->errormsg);
                        free_recipients(valid_to);
                        free_recipients(valid_cc);
                        return;
                }
 
-               valid_bcc = validate_recipients(bcc);
+               valid_bcc = validate_recipients(bcc, NULL, 0);
                if (valid_bcc->num_error > 0) {
-                       cprintf("%d Invalid recipient (BCC)\n", ERROR + NO_SUCH_USER);
+                       cprintf("%d %s\n", ERROR + NO_SUCH_USER, valid_bcc->errormsg);
                        free_recipients(valid_to);
                        free_recipients(valid_cc);
                        free_recipients(valid_bcc);
@@ -3562,7 +3717,7 @@ void cmd_ent0(char *entargs)
        msg = CtdlMakeMessage(&CC->user, recp, cc,
                CC->room.QRname, anonymous, format_type,
                newusername, newuseremail, subject,
-               ((strlen(supplied_euid) > 0) ? supplied_euid : NULL),
+               ((!IsEmptyStr(supplied_euid)) ? supplied_euid : NULL),
                NULL);
 
        /* Put together one big recipients struct containing to/cc/bcc all in
@@ -3570,20 +3725,20 @@ void cmd_ent0(char *entargs)
         */
        char *all_recps = malloc(SIZ * 3);
        strcpy(all_recps, recp);
-       if (strlen(cc) > 0) {
-               if (strlen(all_recps) > 0) {
+       if (!IsEmptyStr(cc)) {
+               if (!IsEmptyStr(all_recps)) {
                        strcat(all_recps, ",");
                }
                strcat(all_recps, cc);
        }
-       if (strlen(bcc) > 0) {
-               if (strlen(all_recps) > 0) {
+       if (!IsEmptyStr(bcc)) {
+               if (!IsEmptyStr(all_recps)) {
                        strcat(all_recps, ",");
                }
                strcat(all_recps, bcc);
        }
-       if (strlen(all_recps) > 0) {
-               valid = validate_recipients(all_recps);
+       if (!IsEmptyStr(all_recps)) {
+               valid = validate_recipients(all_recps, NULL, 0);
        }
        else {
                valid = NULL;
@@ -3642,16 +3797,16 @@ int CtdlDeleteMessages(char *room_name,         /* which room */
        regmatch_t pm;
        int need_to_free_re = 0;
 
-       if (content_type) if (strlen(content_type) > 0) {
+       if (content_type) if (!IsEmptyStr(content_type)) {
                regcomp(&re, content_type, 0);
                need_to_free_re = 1;
        }
-       lprintf(CTDL_DEBUG, "CtdlDeleteMessages(%s, %d msgs, %s)\n",
+       CtdlLogPrintf(CTDL_DEBUG, "CtdlDeleteMessages(%s, %d msgs, %s)\n",
                room_name, num_dmsgnums, content_type);
 
        /* get room record, obtaining a lock... */
        if (lgetroom(&qrbuf, room_name) != 0) {
-               lprintf(CTDL_ERR, "CtdlDeleteMessages(): Room <%s> not found\n",
+               CtdlLogPrintf(CTDL_ERR, "CtdlDeleteMessages(): Room <%s> not found\n",
                        room_name);
                if (need_to_free_re) regfree(&re);
                return (0);     /* room not found */
@@ -3685,7 +3840,7 @@ int CtdlDeleteMessages(char *room_name,           /* which room */
                                }
                        }
 
-                       if (strlen(content_type) == 0) {
+                       if (IsEmptyStr(content_type)) {
                                delete_this |= 0x02;
                        } else {
                                GetMetaData(&smi, msglist[i]);
@@ -3725,7 +3880,7 @@ int CtdlDeleteMessages(char *room_name,           /* which room */
        /* Now free the memory we used, and go away. */
        if (msglist != NULL) free(msglist);
        if (dellist != NULL) free(dellist);
-       lprintf(CTDL_DEBUG, "%d message(s) deleted.\n", num_deleted);
+       CtdlLogPrintf(CTDL_DEBUG, "%d message(s) deleted.\n", num_deleted);
        if (need_to_free_re) regfree(&re);
        return (num_deleted);
 }
@@ -3869,6 +4024,10 @@ void cmd_move(char *args)
        /* Permit message removal from collaborative delete rooms */
        if (CC->room.QRflags2 & QR2_COLLABDEL) permit = 1;
 
+       /* Users allowed to post into the target room may move into it too. */
+       if ((CC->room.QRflags & QR_MAILBOX) && 
+           (qtemp.QRflags & UA_POSTALLOWED))  permit = 1;
+
        /* User must have access to target room */
        if (!(ra & UA_KNOWN))  permit = 0;
 
@@ -3971,7 +4130,7 @@ void AdjRefCount(long msgnum, int incr)
 
        /* msgnum < 0 means that we're trying to close the file */
        if (msgnum < 0) {
-               lprintf(CTDL_DEBUG, "Closing the AdjRefCount queue file\n");
+               CtdlLogPrintf(CTDL_DEBUG, "Closing the AdjRefCount queue file\n");
                begin_critical_section(S_SUPPMSGMAIN);
                if (arcfp != NULL) {
                        fclose(arcfp);
@@ -4023,7 +4182,7 @@ int TDAP_ProcessAdjRefCountQueue(void)
 
        r = link(file_arcq, file_arcq_temp);
        if (r != 0) {
-               lprintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
+               CtdlLogPrintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
                end_critical_section(S_SUPPMSGMAIN);
                return(num_records_processed);
        }
@@ -4033,7 +4192,7 @@ int TDAP_ProcessAdjRefCountQueue(void)
 
        fp = fopen(file_arcq_temp, "rb");
        if (fp == NULL) {
-               lprintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
+               CtdlLogPrintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
                return(num_records_processed);
        }
 
@@ -4045,7 +4204,7 @@ int TDAP_ProcessAdjRefCountQueue(void)
        fclose(fp);
        r = unlink(file_arcq_temp);
        if (r != 0) {
-               lprintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
+               CtdlLogPrintf(CTDL_CRIT, "%s: %s\n", file_arcq_temp, strerror(errno));
        }
 
        return(num_records_processed);
@@ -4076,14 +4235,14 @@ void TDAP_AdjRefCount(long msgnum, int incr)
        smi.meta_refcount += incr;
        PutMetaData(&smi);
        end_critical_section(S_SUPPMSGMAIN);
-       lprintf(CTDL_DEBUG, "msg %ld ref count delta %d, is now %d\n",
+       CtdlLogPrintf(CTDL_DEBUG, "msg %ld ref count delta %d, is now %d\n",
                msgnum, incr, smi.meta_refcount);
 
        /* If the reference count is now zero, delete the message
         * (and its supplementary record as well).
         */
        if (smi.meta_refcount == 0) {
-               lprintf(CTDL_DEBUG, "Deleting message <%ld>\n", msgnum);
+               CtdlLogPrintf(CTDL_DEBUG, "Deleting message <%ld>\n", msgnum);
                
                /* Call delete hooks with NULL room to show it has gone altogether */
                PerformDeleteHooks(NULL, msgnum);
@@ -4134,14 +4293,14 @@ void CtdlWriteObject(char *req_room,            /* Room to stuff it in */
 
        fp = fopen(tempfilename, "rb");
        if (fp == NULL) {
-               lprintf(CTDL_CRIT, "Cannot open %s: %s\n",
+               CtdlLogPrintf(CTDL_CRIT, "Cannot open %s: %s\n",
                        tempfilename, strerror(errno));
                return;
        }
        fseek(fp, 0L, SEEK_END);
        raw_length = ftell(fp);
        rewind(fp);
-       lprintf(CTDL_DEBUG, "Raw length is %ld\n", (long)raw_length);
+       CtdlLogPrintf(CTDL_DEBUG, "Raw length is %ld\n", (long)raw_length);
 
        raw_message = malloc((size_t)raw_length + 2);
        fread(raw_message, (size_t)raw_length, 1, fp);
@@ -4172,7 +4331,8 @@ void CtdlWriteObject(char *req_room,              /* Room to stuff it in */
                CtdlEncodeBase64(
                        &encoded_message[strlen(encoded_message)],
                        raw_message,
-                       (int)raw_length
+                       (int)raw_length,
+                       0
                );
        }
        else {
@@ -4186,7 +4346,7 @@ void CtdlWriteObject(char *req_room,              /* Room to stuff it in */
 
        free(raw_message);
 
-       lprintf(CTDL_DEBUG, "Allocating\n");
+       CtdlLogPrintf(CTDL_DEBUG, "Allocating\n");
        msg = malloc(sizeof(struct CtdlMessage));
        memset(msg, 0, sizeof(struct CtdlMessage));
        msg->cm_magic = CTDLMESSAGE_MAGIC;
@@ -4210,7 +4370,7 @@ void CtdlWriteObject(char *req_room,              /* Room to stuff it in */
         * other objects of this type that are currently in the room.
         */
        if (is_unique) {
-               lprintf(CTDL_DEBUG, "Deleted %d other msgs of this type\n",
+               CtdlLogPrintf(CTDL_DEBUG, "Deleted %d other msgs of this type\n",
                        CtdlDeleteMessages(roomname, NULL, 0, content_type)
                );
        }
@@ -4270,7 +4430,7 @@ char *CtdlGetSysConfig(char *sysconfname) {
        if (conf != NULL) do {
                extract_token(buf, conf, 0, '\n', sizeof buf);
                strcpy(conf, &conf[strlen(buf)+1]);
-       } while ( (strlen(conf)>0) && (strlen(buf)>0) );
+       } while ( (!IsEmptyStr(conf)) && (!IsEmptyStr(buf)) );
 
        return(conf);
 }
@@ -4300,7 +4460,7 @@ int CtdlIsMe(char *addr, int addr_buf_len)
        struct recptypes *recp;
        int i;
 
-       recp = validate_recipients(addr);
+       recp = validate_recipients(addr, NULL, 0);
        if (recp == NULL) return(0);
 
        if (recp->num_local == 0) {