* Added a per-user client option to always compose messages using the
[citadel.git] / citadel / citadel.c
index fc93f3e0729ec7220713906479bd92fd754c76d8..ac21ebc9011695c8482d6569f899762181fd6207 100644 (file)
 #include <sys/ioctl.h>
 #include <signal.h>
 #include <pwd.h>
-#include <setjmp.h>
 #include <stdarg.h>
+#include <errno.h>
 
 #include "citadel.h"
+#include "citadel_ipc.h"
 #include "axdefs.h"
-#include "serv_info.h"
 #include "routines.h"
 #include "routines2.h"
 #include "rooms.h"
 #include "messages.h"
 #include "commands.h"
-#include "ipc.h"
 #include "client_chat.h"
 #include "client_passwords.h"
 #include "citadel_decls.h"
 #include "tools.h"
 #include "acconfig.h"
-#include "client_crypto.h"
 #ifndef HAVE_SNPRINTF
 #include "snprintf.h"
 #endif
 
 #include "md5.h"
 
-struct march {
-       struct march *next;
-       char march_name[ROOMNAMELEN];
-       char march_floor;
-       char march_order;
-       };
-
 #define IFEXPERT if (userflags&US_EXPERT)
 #define IFNEXPERT if ((userflags&US_EXPERT)==0)
 #define IFAIDE if (axlevel>=6)
@@ -70,15 +61,13 @@ struct march {
 struct march *march = NULL;
 
 /* globals associated with the client program */
-char temp[PATH_MAX];           /* Name of general temp file */
-char temp2[PATH_MAX];          /* Name of general temp file */
-char tempdir[PATH_MAX];                /* Name of general temp dir */
-char editor_path[SIZ];         /* path to external editor */
+char temp[PATH_MAX];           /* Name of general-purpose temp file */
+char temp2[PATH_MAX];          /* Name of general-purpose temp file */
+char tempdir[PATH_MAX];                /* Name of general-purpose temp directory */
+char editor_paths[MAX_EDITORS][SIZ];   /* paths to external editors */
 char printcmd[SIZ];            /* print command */
 int editor_pid = (-1);
-char fullname[32];
-jmp_buf nextbuf;
-struct CtdlServInfo serv_info; /* Info on the server connected */
+char fullname[USERNAME_SIZE];
 int screenwidth;
 int screenheight;
 unsigned room_flags;
@@ -99,7 +88,7 @@ long highest_msg_read;                /* used for <A>bandon room cmd */
 long maxmsgnum;                        /* used for <G>oto */
 char sigcaught = 0;
 char have_xterm = 0;           /* are we running on an xterm? */
-char rc_username[32];
+char rc_username[USERNAME_SIZE];
 char rc_password[32];
 char hostbuf[SIZ];
 char portbuf[SIZ];
@@ -107,36 +96,42 @@ char rc_floor_mode;
 char floor_mode;
 char curr_floor = 0;           /* number of current floor */
 char floorlist[128][SIZ];      /* names of floors */
-char express_msgs = 0;         /* express messages waiting! */
 int termn8 = 0;                        /* Set to nonzero to cause a logoff */
 int secure;                    /* Set to nonzero when wire is encrypted */
+int can_do_msg4 = 0;           /* Set to nonzero if the server can handle MSG4 commands */
 
+extern char instant_msgs;      /* instant messages waiting! */
 extern int rc_ansi_color;      /* ansi color value from citadel.rc */
+extern int next_lazy_cmd;
+
+CtdlIPC *ipc_for_signal_handlers;      /* KLUDGE cover your eyes */
 
 /*
  * here is our 'clean up gracefully and exit' routine
  */
-void logoff(int code)
+void ctdl_logoff(char *file, int line, CtdlIPC *ipc, int code)
 {
-    int lp;
+       int lp;
+
        if (editor_pid > 0) {   /* kill the editor if it's running */
                kill(editor_pid, SIGHUP);
        }
 
-    /* Free the ungoto list */
-    for (lp = 0; lp < uglistsize; lp++)
-      free (uglist[lp]);
+       /* Free the ungoto list */
+       for (lp = 0; lp < uglistsize; lp++) {
+               free(uglist[lp]);
+       }
 
-/* shut down the server... but not if the logoff code is 3, because
- * that means we're exiting because we already lost the server
+/* Shut down the server connection ... but not if the logoff code is 3,
+ * because that means we're exiting because we already lost the server.
  */
-       if (code != 3)
-               serv_puts("QUIT");
+       if (code != 3) {
+               CtdlIPCQuit(ipc);
+       }
 
 /*
  * now clean up various things
  */
-
        screen_delete();
 
        unlink(temp);
@@ -151,7 +146,13 @@ void logoff(int code)
                sleep(1);
                kill(0 - getpgrp(), SIGKILL);
        }
-       sttybbs(SB_RESTORE);    /* return the old terminal settings */
+       color(ORIGINAL_PAIR);   /* Restore the old color settings */
+       stty_ctdl(SB_RESTORE);  /* return the old terminal settings */
+       /* 
+        * uncomment the following if you need to know why Citadel exited
+       printf("*** Exit code %d at %s:%d\n", code, file, line);
+       sleep(2);
+        */
        exit(code);             /* exit with the proper exit code */
 }
 
@@ -162,7 +163,7 @@ void logoff(int code)
  */
 void dropcarr(int signum)
 {
-       logoff(SIGHUP);
+       logoff(NULL, 3);        /* No IPC when server's already gone! */
 }
 
 
@@ -173,63 +174,73 @@ void dropcarr(int signum)
  */
 void catch_sigcont(int signum)
 {
-       sttybbs(SB_LAST);
+       stty_ctdl(SB_LAST);
        signal(SIGCONT, catch_sigcont);
 }
 
 
-
 /* general purpose routines */
 
-void formout(char *name)
-{                              /* display a file */
-       char cmd[SIZ];
-       snprintf(cmd, sizeof cmd, "MESG %s", name);
-       serv_puts(cmd);
-       serv_gets(cmd);
-       if (cmd[0] != '1') {
-               scr_printf("%s\n", &cmd[4]);
+/* display a file */
+void formout(CtdlIPC *ipc, char *name)
+{
+       int r;                  /* IPC return code */
+       char buf[SIZ];
+       char *text = NULL;
+
+       r = CtdlIPCSystemMessage(ipc, name, &text, buf);
+       if (r / 100 != 1) {
+               scr_printf("%s\n", buf);
                return;
        }
-       fmout(screenwidth, NULL, NULL,
-             ((userflags & US_PAGINATOR) ? 1 : 0),
-             screenheight, 1, 1);
+       if (text) {
+               fmout(screenwidth, NULL, text, NULL,
+                     ((userflags & US_PAGINATOR) ? 1 : 0),
+                     screenheight, 1, 1);
+               free(text);
+       }
 }
 
 
-void userlist(char *patn)
+void userlist(CtdlIPC *ipc, char *patn)
 {
        char buf[SIZ];
        char fl[SIZ];
-       struct tm *tmbuf;
+       struct tm tmbuf;
        time_t lc;
+       int r;                          /* IPC response code */
+       char *listing = NULL;
 
-       serv_puts("LIST");
-       serv_gets(buf);
-       if (buf[0] != '1') {
-               pprintf("%s\n", &buf[4]);
+       r = CtdlIPCUserListing(ipc, patn, &listing, buf);
+       if (r / 100 != 1) {
+               pprintf("%s\n", buf);
                return;
        }
+
        pprintf("       User Name           Num  L  LastCall  Calls Posts\n");
        pprintf("------------------------- ----- - ---------- ----- -----\n");
-       while (serv_gets(buf), strcmp(buf, "000")) {
+       if (listing != NULL) while (strlen(listing) > 0) {
+               extract_token(buf, listing, 0, '\n', sizeof buf);
+               remove_token(listing, 0, '\n');
+
                if (sigcaught == 0) {
-                   extract(fl, buf, 0);
+                   extract_token(fl, buf, 0, '|', sizeof fl);
                    if (pattern(fl, patn) >= 0) {
                        pprintf("%-25s ", fl);
                        pprintf("%5ld %d ", extract_long(buf, 2),
                               extract_int(buf, 1));
                        lc = extract_long(buf, 3);
-                       tmbuf = (struct tm *) localtime(&lc);
+                       localtime_r(&lc, &tmbuf);
                        pprintf("%02d/%02d/%04d ",
-                              (tmbuf->tm_mon + 1),
-                              tmbuf->tm_mday,
-                              (tmbuf->tm_year + 1900));
+                              (tmbuf.tm_mon + 1),
+                              tmbuf.tm_mday,
+                              (tmbuf.tm_year + 1900));
                        pprintf("%5ld %5ld\n", extract_long(buf, 4), extract_long(buf, 5));
                    }
 
                }
        }
+       free(listing);
        pprintf("\n");
 }
 
@@ -239,7 +250,7 @@ void userlist(char *patn)
  */
 void load_user_info(char *params)
 {
-       extract(fullname, params, 0);
+       extract_token(fullname, params, 0, '|', sizeof fullname);
        axlevel = extract_int(params, 1);
        timescalled = extract_int(params, 2);
        posted = extract_int(params, 3);
@@ -326,107 +337,109 @@ char *pop_march(int desired_floor)
 /*
  * jump directly to a room
  */
-void dotgoto(char *towhere, int display_name, int fromungoto)
+void dotgoto(CtdlIPC *ipc, char *towhere, int display_name, int fromungoto)
 {
-       char aaa[SIZ], bbb[SIZ], psearch[SIZ];
+       char aaa[SIZ], bbb[SIZ];
        static long ls = 0L;
        int newmailcount = 0;
-       static int oldmailcount = (-1);
        int partial_match, best_match;
        char from_floor;
-    int ugpos = uglistsize;
+       int ugpos = uglistsize;
+       int r;                          /* IPC result code */
+       struct ctdlipcroom *room = NULL;
 
        /* store ungoto information */
-    if (fromungoto == 0)
-      {
-        if (uglistsize >= (UGLISTLEN-1))
-          {  /* sloppy slide them all down, hey it's the client, who cares. :-) */
-            int lp;
-            free (uglist[0]);
-            for (lp = 0; lp < (UGLISTLEN-1); lp++)
-              {
-                uglist[lp] = uglist[lp+1];
-                uglistlsn[lp] = uglistlsn[lp+1];
-              }
-            ugpos--;
-          }
-        else
-          uglistsize++;
+       if (fromungoto == 0) {
+               /* sloppy slide them all down, hey it's the client, who cares. :-) */
+               if (uglistsize >= (UGLISTLEN-1)) {
+                       int lp;
+                       free (uglist[0]);
+                       for (lp = 0; lp < (UGLISTLEN-1); lp++) {
+                               uglist[lp] = uglist[lp+1];
+                               uglistlsn[lp] = uglistlsn[lp+1];
+                       }
+                       ugpos--;
+               } else {
+                       uglistsize++;
+               }
         
-        uglist[ugpos] = malloc(strlen(room_name)+1);
-        strcpy(uglist[ugpos], room_name);
-        uglistlsn[ugpos] = ls;
-      }
+               uglist[ugpos] = malloc(strlen(room_name)+1);
+               strcpy(uglist[ugpos], room_name);
+               uglistlsn[ugpos] = ls;
+       }
       
        /* first try an exact match */
-       snprintf(aaa, sizeof aaa, "GOTO %s", towhere);
-       serv_puts(aaa);
-       serv_gets(aaa);
-       if (aaa[3] == '*')
-               express_msgs = 1;
-       if (!strncmp(aaa, "54", 2)) {
+       r = CtdlIPCGotoRoom(ipc, towhere, "", &room, aaa);
+       if (r / 10 == 54) {
                newprompt("Enter room password: ", bbb, 9);
-               snprintf(aaa, sizeof aaa, "GOTO %s|%s", towhere, bbb);
-               serv_puts(aaa);
-               serv_gets(aaa);
-               if (aaa[3] == '*')
-                       express_msgs = 1;
-       }
-       if (!strncmp(aaa, "54", 2)) {
-               scr_printf("Wrong password.\n");
-               return;
-       }
+               r = CtdlIPCGotoRoom(ipc, towhere, bbb, &room, aaa);
+               if (r / 10 == 54) {
+                       scr_printf("Wrong password.\n");
+                       return;
+               }
+       }       
+
        /*
         * If a match is not found, try a partial match.
         * Partial matches anywhere in the string carry a weight of 1,
         * left-aligned matches carry a weight of 2.  Pick the room that
-        * has the highest-weighted match.
+        * has the highest-weighted match.  Do not match on forgotten
+        * rooms.
         */
-       if (aaa[0] != '2') {
+       if (r / 100 != 2) {
+               struct march *march = NULL;
+
                best_match = 0;
                strcpy(bbb, "");
-               serv_puts("LKRA");
-               serv_gets(aaa);
-               if (aaa[0] == '1')
-                       while (serv_gets(aaa), strcmp(aaa, "000")) {
-                               extract(psearch, aaa, 0);
+
+               r = CtdlIPCKnownRooms(ipc, SubscribedRooms, AllFloors, &march, aaa);
+               if (r / 100 == 1) {
+                       /* Run the roomlist; free the data as we go */
+                       struct march *mp = march;       /* Current */
+
+                       while (mp) {
                                partial_match = 0;
-                               if (pattern(psearch, towhere) >= 0) {
+                               if (pattern(mp->march_name, towhere) >= 0) {
                                        partial_match = 1;
                                }
-                               if (!strncasecmp(towhere, psearch, strlen(towhere))) {
+                               if (!strncasecmp(mp->march_name, towhere, strlen(towhere))) {
                                        partial_match = 2;
                                }
                                if (partial_match > best_match) {
-                                       strcpy(bbb, psearch);
+                                       strcpy(bbb, mp->march_name);
                                        best_match = partial_match;
                                }
+                               /* Both pointers are NULL at end of list */
+                               march = mp->next;
+                               free(mp);
+                               mp = march;
                        }
+               }
+
                if (strlen(bbb) == 0) {
                        scr_printf("No room '%s'.\n", towhere);
                        return;
                }
-               snprintf(aaa, sizeof aaa, "GOTO %s", bbb);
-               serv_puts(aaa);
-               serv_gets(aaa);
-               if (aaa[3] == '*')
-                       express_msgs = 1;
+               room = NULL;
+               r = CtdlIPCGotoRoom(ipc, bbb, "", &room, aaa);
        }
-       if (aaa[0] != '2') {
+       if (r / 100 != 1 && r / 100 != 2) {
                scr_printf("%s\n", aaa);
                return;
        }
-       extract(room_name, &aaa[4], 0);
-       room_flags = extract_int(&aaa[4], 4);
+       safestrncpy(room_name, room->RRname, ROOMNAMELEN);
+       room_flags = room->RRflags;
        from_floor = curr_floor;
-       curr_floor = extract_int(&aaa[4], 10);
+       curr_floor = room->RRfloor;
 
        remove_march(room_name, 0);
        if (!strcasecmp(towhere, "_BASEROOM_"))
                remove_march(towhere, 0);
+       if (!room->RRunread)
+               next_lazy_cmd = 5;      /* Don't read new if no new msgs */
        if ((from_floor != curr_floor) && (display_name > 0) && (floor_mode == 1)) {
                if (floorlist[(int) curr_floor][0] == 0)
-                       load_floorlist();
+                       load_floorlist(ipc);
                scr_printf("(Entering floor: %s)\n", &floorlist[(int) curr_floor][0]);
        }
        if (display_name == 1) {
@@ -437,39 +450,42 @@ void dotgoto(char *towhere, int display_name, int fromungoto)
        }
        if (display_name != 2) {
                color(BRIGHT_YELLOW);
-               scr_printf("%d ", extract_int(&aaa[4], 1));
+               scr_printf("%d ", room->RRunread);
                color(DIM_WHITE);
                scr_printf("new of ");
                color(BRIGHT_YELLOW);
-               scr_printf("%d ", extract_int(&aaa[4], 2));
+               scr_printf("%d ", room->RRtotal);
                color(DIM_WHITE);
                scr_printf("messages.\n");
        }
-       highest_msg_read = extract_int(&aaa[4], 6);
-       maxmsgnum = extract_int(&aaa[4], 5);
-       is_mail = (char) extract_int(&aaa[4], 7);
-       is_room_aide = (char) extract_int(&aaa[4], 8);
-       ls = extract_long(&aaa[4], 6);
+       highest_msg_read = room->RRlastread;
+       maxmsgnum = room->RRhighest;
+       is_mail = room->RRismailbox;
+       is_room_aide = room->RRaide;
+       ls = room->RRlastread;
 
        /* read info file if necessary */
-       if (extract_int(&aaa[4], 3) > 0)
-               readinfo();
+       if (room->RRinfoupdated > 0)
+               readinfo(ipc);
 
        /* check for newly arrived mail if we can */
-       if (num_parms(&aaa[4]) >= 10) {
-               newmailcount = extract_int(&aaa[4], 9);
-               if ((oldmailcount >= 0) && (newmailcount > oldmailcount)) {
-                       color(BRIGHT_RED);
-                       scr_printf("*** You have new mail\n");
-                       color(DIM_WHITE);
+       newmailcount = room->RRnewmail;
+       if (newmailcount > 0) {
+               color(BRIGHT_RED);
+               if (newmailcount == 1) {
+                       scr_printf("*** A new mail message has arrived.\n");
+               }
+               else {
+                       scr_printf("*** %d new mail messages have arrived.\n",
+                                       newmailcount);
+               }
+               color(DIM_WHITE);
+               if (strlen(rc_gotmail_cmd) > 0) {
+                       system(rc_gotmail_cmd);
                }
-               oldmailcount = newmailcount;
-               status_line(serv_info.serv_humannode, serv_info.serv_bbs_city,
-                               room_name, secure, newmailcount);
-       } else {
-               status_line(serv_info.serv_humannode, serv_info.serv_bbs_city,
-                               room_name, secure, -1);
        }
+       status_line(ipc->ServInfo.humannode, ipc->ServInfo.site_location,
+                       room_name, secure, newmailcount);
 }
 
 /* Goto next room having unread messages.
@@ -477,34 +493,20 @@ void dotgoto(char *towhere, int display_name, int fromungoto)
  * user back to the lobby when done.  The room we end up in is placed in
  * newroom - which is set to 0 (the lobby) initially.
  */
-void gotonext(void)
+void gotonext(CtdlIPC *ipc)
 {
        char buf[SIZ];
        struct march *mptr, *mptr2;
        char next_room[ROOMNAMELEN];
+       int r;                          /* IPC response code */
 
        /* Check to see if the march-mode list is already allocated.
         * If it is, pop the first room off the list and go there.
         */
        if (march == NULL) {
-               serv_puts("LKRN");
-               serv_gets(buf);
-               if (buf[0] == '1')
-                       while (serv_gets(buf), strcmp(buf, "000")) {
-                               mptr = (struct march *) malloc(sizeof(struct march));
-                               mptr->next = NULL;
-                               extract(mptr->march_name, buf, 0);
-                               mptr->march_floor = (char) (extract_int(buf, 2) & 0x7F);
-                               mptr->march_order = (char) (extract_int(buf, 3) & 0x7F);
-                               if (march == NULL) {
-                                       march = mptr;
-                               } else {
-                                       mptr2 = march;
-                                       while (mptr2->next != NULL)
-                                               mptr2 = mptr2->next;
-                                       mptr2->next = mptr;
-                               }
-                       }
+               r = CtdlIPCKnownRooms(ipc, SubscribedRoomsWithNewMessages,
+                                       AllFloors, &march, buf);
+
 /* add _BASEROOM_ to the end of the march list, so the user will end up
  * in the system base room (usually the Lobby>) at the end of the loop
  */
@@ -531,70 +533,65 @@ void gotonext(void)
                strcpy(next_room, "_BASEROOM_");
        }
        remove_march(next_room, 0);
-       dotgoto(next_room, 1, 0);
+       dotgoto(ipc, next_room, 1, 0);
 }
 
 /*
  * forget all rooms on a given floor
  */
-void forget_all_rooms_on(int ffloor)
+void forget_all_rooms_on(CtdlIPC *ipc, int ffloor)
 {
        char buf[SIZ];
-       struct march *flist, *fptr;
+       struct march *flist = NULL;
+       struct march *fptr = NULL;
+       struct ctdlipcroom *room = NULL;
+       int r;                          /* IPC response code */
 
-       scr_printf("Forgetting all rooms on %s...\r", &floorlist[ffloor][0]);
+       scr_printf("Forgetting all rooms on %s...\n", &floorlist[ffloor][0]);
        scr_flush();
-       snprintf(buf, sizeof buf, "LKRA %d", ffloor);
-       serv_puts(buf);
-       serv_gets(buf);
-       if (buf[0] != '1') {
-               scr_printf("%-72s\n", &buf[4]);
+       remove_march("_FLOOR_", ffloor);
+       r = CtdlIPCKnownRooms(ipc, AllAccessibleRooms, ffloor, &flist, buf);
+       if (r / 100 != 1) {
+               scr_printf("Error %d: %s\n", r, buf);
                return;
        }
-       flist = NULL;
-       while (serv_gets(buf), strcmp(buf, "000")) {
-               fptr = (struct march *) malloc(sizeof(struct march));
-               fptr->next = flist;
-               flist = fptr;
-               extract(fptr->march_name, buf, 0);
-       }
-       while (flist != NULL) {
-               snprintf(buf, sizeof buf, "GOTO %s", flist->march_name);
-               serv_puts(buf);
-               serv_gets(buf);
-               if (buf[0] == '2') {
-                       serv_puts("FORG");
-                       serv_gets(buf);
+       while (flist) {
+               r = CtdlIPCGotoRoom(ipc, flist->march_name, "", &room, buf);
+               if (r / 100 == 2) {
+                       r = CtdlIPCForgetRoom(ipc, buf);
+                       if (r / 100 != 2) {
+                               scr_printf("Error %d: %s\n", r, buf);
+                       }
+
                }
                fptr = flist;
                flist = flist->next;
                free(fptr);
        }
-       scr_printf("%-72s\r", "");
 }
 
 
 /*
  * routine called by gotofloor() to move to a new room on a new floor
  */
-void gf_toroom(char *towhere, int mode)
+void gf_toroom(CtdlIPC *ipc, char *towhere, int mode)
 {
        int floor_being_left;
 
        floor_being_left = curr_floor;
 
-       if (mode == GF_GOTO) {  /* <;G>oto mode */
-               updatels();
-               dotgoto(towhere, 1, 0);
+       if (mode == GF_GOTO) {          /* <;G>oto mode */
+               updatels(ipc);
+               dotgoto(ipc, towhere, 1, 0);
        }
-       if (mode == GF_SKIP) {  /* <;S>kip mode */
-               dotgoto(towhere, 1, 0);
+       else if (mode == GF_SKIP) {     /* <;S>kip mode */
+               dotgoto(ipc, towhere, 1, 0);
                remove_march("_FLOOR_", floor_being_left);
        }
-       if (mode == GF_ZAP) {   /* <;Z>ap mode */
-               dotgoto(towhere, 1, 0);
+       else if (mode == GF_ZAP) {      /* <;Z>ap mode */
+               dotgoto(ipc, towhere, 1, 0);
                remove_march("_FLOOR_", floor_being_left);
-               forget_all_rooms_on(floor_being_left);
+               forget_all_rooms_on(ipc, floor_being_left);
        }
 }
 
@@ -602,14 +599,15 @@ void gf_toroom(char *towhere, int mode)
 /*
  * go to a new floor
  */
-void gotofloor(char *towhere, int mode)
+void gotofloor(CtdlIPC *ipc, char *towhere, int mode)
 {
        int a, tofloor;
+       int r;          /* IPC response code */
        struct march *mptr;
        char buf[SIZ], targ[SIZ];
 
        if (floorlist[0][0] == 0)
-               load_floorlist();
+               load_floorlist(ipc);
        tofloor = (-1);
        for (a = 0; a < 128; ++a)
                if (!strcasecmp(&floorlist[a][0], towhere))
@@ -632,22 +630,53 @@ void gotofloor(char *towhere, int mode)
                return;
        }
        for (mptr = march; mptr != NULL; mptr = mptr->next) {
-               if ((mptr->march_floor) == tofloor)
-                       gf_toroom(mptr->march_name, mode);
+               if ((mptr->march_floor) == tofloor) {
+                       gf_toroom(ipc, mptr->march_name, mode);
+                       return;
+               }
+       }
+
+       /* Find first known room on the floor */
+
+       strcpy(targ, "");
+       mptr = NULL;
+       r = CtdlIPCKnownRooms(ipc, SubscribedRooms, tofloor, &mptr, buf);
+       if (r / 100 == 1) {
+               struct march *tmp = mptr;
+
+               /* TODO: room order is being ignored? */
+               if (mptr)
+                       strncpy(targ, mptr->march_name, ROOMNAMELEN);
+               while (mptr) {
+                       tmp = mptr->next;
+                       free(mptr);
+                       mptr = tmp;
+               }
+       }
+       if (strlen(targ) > 0) {
+               gf_toroom(ipc, targ, mode);
                return;
        }
 
+       /* No known rooms on the floor; unzap the first one then */
+
        strcpy(targ, "");
-       snprintf(buf, sizeof buf, "LKRA %d", tofloor);
-       serv_puts(buf);
-       serv_gets(buf);
-       if (buf[0] == '1')
-               while (serv_gets(buf), strcmp(buf, "000")) {
-                       if ((extract_int(buf, 2) == tofloor) && (strlen(targ) == 0))
-                               extract(targ, buf, 0);
+       mptr = NULL;
+       r = CtdlIPCKnownRooms(ipc, AllAccessibleRooms, tofloor, &mptr, buf);
+       if (r / 100 == 1) {
+               struct march *tmp = mptr;
+
+               /* TODO: room order is being ignored? */
+               if (mptr)
+                       strncpy(targ, mptr->march_name, ROOMNAMELEN);
+               while (mptr) {
+                       tmp = mptr->next;
+                       free(mptr);
+                       mptr = tmp;
                }
+       }
        if (strlen(targ) > 0) {
-               gf_toroom(targ, mode);
+               gf_toroom(ipc, targ, mode);
        } else {
                scr_printf("There are no rooms on '%s'.\n", &floorlist[tofloor][0]);
        }
@@ -657,21 +686,22 @@ void gotofloor(char *towhere, int mode)
 /*
  * forget all rooms on current floor
  */
-void forget_this_floor(void)
+void forget_this_floor(CtdlIPC *ipc)
 {
-
        if (curr_floor == 0) {
                scr_printf("Can't forget this floor.\n");
                return;
        }
-       if (floorlist[0][0] == 0)
-               load_floorlist();
+       if (floorlist[0][0] == 0) {
+               load_floorlist(ipc);
+       }
        scr_printf("Are you sure you want to forget all rooms on %s? ",
               &floorlist[(int) curr_floor][0]);
-       if (yesno() == 0)
+       if (yesno() == 0) {
                return;
+       }
 
-       gf_toroom("_BASEROOM_", GF_ZAP);
+       gf_toroom(ipc, "_BASEROOM_", GF_ZAP);
 }
 
 
@@ -689,13 +719,10 @@ void check_screen_dims(void)
                unsigned short ypixels;         /* pixels */
        } xwinsz;
 
-       if (scr_set_windowsize())
-               return;
-
        if (have_xterm) {       /* dynamically size screen if on an xterm */
                if (ioctl(0, TIOCGWINSZ, &xwinsz) == 0) {
                        if (xwinsz.height)
-                               screenheight = (int) xwinsz.height;
+                               screenheight = is_curses_enabled() ? (int)xwinsz.height - 1 : (int) xwinsz.height;
                        if (xwinsz.width)
                                screenwidth = (int) xwinsz.width;
                }
@@ -707,9 +734,9 @@ void check_screen_dims(void)
 /*
  * set floor mode depending on client, server, and user settings
  */
-void set_floor_mode(void)
+void set_floor_mode(CtdlIPC* ipc)
 {
-       if (serv_info.serv_ok_floors == 0) {
+       if (ipc->ServInfo.ok_floors == 0) {
                floor_mode = 0; /* Don't use floors if the server */
        }
        /* doesn't support them!          */
@@ -729,7 +756,7 @@ void set_floor_mode(void)
 /*
  * Set or change the user's password
  */
-int set_password(void)
+int set_password(CtdlIPC *ipc)
 {
        char pass1[20];
        char pass2[20];
@@ -739,18 +766,16 @@ int set_password(void)
                strcpy(pass1, rc_password);
                strcpy(pass2, rc_password);
        } else {
-               IFNEXPERT formout("changepw");
+               IFNEXPERT formout(ipc, "changepw");
                newprompt("Enter a new password: ", pass1, -19);
                newprompt("Enter it again to confirm: ", pass2, -19);
        }
        strproc(pass1);
        strproc(pass2);
        if (!strcasecmp(pass1, pass2)) {
-               snprintf(buf, sizeof buf, "SETP %s", pass1);
-               serv_puts(buf);
-               serv_gets(buf);
-               scr_printf("%s\n", &buf[4]);
-               offer_to_remember_password(hostbuf, portbuf, fullname, pass1);
+               CtdlIPCChangePassword(ipc, pass1, buf);
+               scr_printf("%s\n", buf);
+               offer_to_remember_password(ipc, hostbuf, portbuf, fullname, pass1);
                return (0);
        } else {
                scr_printf("*** They don't match... try again.\n");
@@ -763,98 +788,147 @@ int set_password(void)
 /*
  * get info about the server we've connected to
  */
-void get_serv_info(char *supplied_hostname)
+void get_serv_info(CtdlIPC *ipc, char *supplied_hostname)
 {
-       char buf[512];
+       char buf[SIZ];
 
-       CtdlInternalGetServInfo(&serv_info);
+       CtdlIPCServerInfo(ipc, buf);
 
        /* be nice and identify ourself to the server */
-       snprintf(buf, sizeof buf, "IDEN %d|%d|%d|%s|",
-                SERVER_TYPE, 0, REV_LEVEL,
-                (server_is_local ? "local" : CITADEL));
-
-       /* Append a hostname */
-       if (supplied_hostname != NULL) {
-               strcat(buf, supplied_hostname);
-       }
-       else {
-               locate_host(&buf[strlen(buf)]); /* append to the end */
+       CtdlIPCIdentifySoftware(ipc, SERVER_TYPE, 0, REV_LEVEL,
+                (ipc->isLocal ? "local" : CITADEL),
+                (supplied_hostname) ? supplied_hostname : 
+                /* Look up the , in the bible if you're confused */
+                (locate_host(ipc, buf), buf), buf);
+
+       /* Tell the server what our preferred content formats are */
+       if ((CtdlIPCSpecifyPreferredFormats(ipc, buf, "text/html|text/plain") / 100 )== 2) {
+               can_do_msg4 = 1;
        }
+}
+
+
+
+/*
+ * Record compare function for SortOnlineUsers()
+ */
+int idlecmp(const void *rec1, const void *rec2) {
+       time_t i1, i2;
+
+       i1 = extract_long(rec1, 5);
+       i2 = extract_long(rec2, 5);
 
-       serv_puts(buf);
-       serv_gets(buf);         /* we don't care about the result code */
+       if (i1 < i2) return(1);
+       if (i1 > i2) return(-1);
+       return(0);
 }
 
 
+/*
+ * Sort the list of online users by idle time.
+ * This function frees the supplied buffer, and returns a new one
+ * to the caller.  The caller is responsible for freeing the returned buffer.
+ */
+char *SortOnlineUsers(char *listing) {
+       int rows;
+       char *sortbuf;
+       char *retbuf;
+       char buf[SIZ];
+       int i;
+
+       rows = num_tokens(listing, '\n');
+       sortbuf = malloc(rows * SIZ);
+       if (sortbuf == NULL) return(listing);
+       retbuf = malloc(rows * SIZ);
+       if (retbuf == NULL) {
+               free(sortbuf);
+               return(listing);
+       }
+
+       /* Copy the list into a fixed-record-size array for sorting */
+       for (i=0; i<rows; ++i) {
+               memset(buf, 0, SIZ);
+               extract_token(buf, listing, i, '\n', sizeof buf);
+               memcpy(&sortbuf[i*SIZ], buf, (size_t)SIZ);
+       }
+
+       /* Do the sort */
+       qsort(sortbuf, rows, SIZ, idlecmp);
+
+       /* Copy back to a \n delimited list */
+       strcpy(retbuf, "");
+       for (i=0; i<rows; ++i) {
+               strcat(retbuf, &sortbuf[i*SIZ]);
+               if (i<(rows-1)) strcat(retbuf, "\n");
+       }
+       return(retbuf);
+}
 
 
 
 /*
  * Display list of users currently logged on to the server
  */
-void who_is_online(int longlist)
+void who_is_online(CtdlIPC *ipc, int longlist)
 {
        char buf[SIZ], username[SIZ], roomname[SIZ], fromhost[SIZ];
        char flags[SIZ];
        char actual_user[SIZ], actual_room[SIZ], actual_host[SIZ];
-       char tbuf[SIZ], clientsoft[SIZ];
+       char clientsoft[SIZ];
        time_t timenow = 0;
        time_t idletime, idlehours, idlemins, idlesecs;
        int last_session = (-1);
-    int skipidle = 0;
+       int skipidle = 0;
+       char *listing = NULL;
+       int r;                          /* IPC response code */
     
-    if (longlist == 2)
-      {
-        longlist = 0;
-        skipidle = 1;
-      }
-
-       serv_puts("TIME");
-       serv_gets(tbuf);
-       if (tbuf[0] == '2') {
-               timenow = extract_long(&tbuf[4], 0);
-       }
-       else {
-               time(&timenow);
+       if (longlist == 2) {
+               longlist = 0;
+               skipidle = 1;
        }
 
        if (!longlist) {
                color(BRIGHT_WHITE);
-               pprintf("FLG ###        User Name                 Room                 From host\n");
+               pprintf("           User Name               Room           Idle        From host\n");
                color(DIM_WHITE);
-               pprintf("--- --- ------------------------- -------------------- ------------------------\n");
-       }
-       serv_puts("RWHO");
-       serv_gets(buf);
-       if (buf[0] == '1') {
-               while (serv_gets(buf), strcmp(buf, "000")) {
-               int isidle = 0;
-                       extract(username, buf, 1);
-                       extract(roomname, buf, 2);
-                       extract(fromhost, buf, 3);
-                       extract(clientsoft, buf, 4);
-                       extract(flags, buf, 7);
+               pprintf("   ------------------------- -------------------- ---- ------------------------\n");
+       }
+       r = CtdlIPCOnlineUsers(ipc, &listing, &timenow, buf);
+       listing = SortOnlineUsers(listing);
+       if (r / 100 == 1) {
+               while (strlen(listing) > 0) {
+                       int isidle = 0;
+                       
+                       /* Get another line */
+                       extract_token(buf, listing, 0, '\n', sizeof buf);
+                       remove_token(listing, 0, '\n');
+
+                       extract_token(username, buf, 1, '|', sizeof username);
+                       extract_token(roomname, buf, 2, '|', sizeof roomname);
+                       extract_token(fromhost, buf, 3, '|', sizeof fromhost);
+                       extract_token(clientsoft, buf, 4, '|', sizeof clientsoft);
+                       extract_token(flags, buf, 7, '|', sizeof flags);
 
                        idletime = timenow - extract_long(buf, 5);
                        idlehours = idletime / 3600;
                        idlemins = (idletime - (idlehours * 3600)) / 60;
                        idlesecs = (idletime - (idlehours * 3600) - (idlemins * 60));
 
-                       if (idletime > 900) {
+                       if (idletime > rc_idle_threshold) {
+                               /*
                                while (strlen(roomname) < 20) {
                                        strcat(roomname, " ");
                                }
                                strcpy(&roomname[14], "[idle]");
-                       if (skipidle)
-                  isidle = 1;
+                               */
+                               if (skipidle)
+                                       isidle = 1;
                        }
 
                        if (longlist) {
-
-                               extract(actual_user, buf, 8);
-                               extract(actual_room, buf, 9);
-                               extract(actual_host, buf, 10);
+                               extract_token(actual_user, buf, 8, '|', sizeof actual_user);
+                               extract_token(actual_room, buf, 9, '|', sizeof actual_room);
+                               extract_token(actual_host, buf, 10, '|', sizeof actual_host);
 
                                pprintf("  Flags: %s\n", flags);
                                pprintf("Session: %d\n", extract_int(buf, 0));
@@ -882,9 +956,7 @@ void who_is_online(int longlist)
                                        pprintf("        ");
                                } else {
                                        color(BRIGHT_MAGENTA);
-                                       pprintf("%-3s ", flags);
-                                       color(DIM_WHITE);
-                                       pprintf("%-3d ", extract_int(buf, 0));
+                                       pprintf("%-3s", flags);
                                }
                                last_session = extract_int(buf, 0);
                                color(BRIGHT_CYAN);
@@ -892,6 +964,29 @@ void who_is_online(int longlist)
                                color(BRIGHT_MAGENTA);
                                roomname[20] = 0;
                                pprintf("%-20s ", roomname);
+                               if (idletime > rc_idle_threshold) {
+                                       /* over 1000d, must be gone fishing */
+                                       if (idlehours > 23999) {
+                                               pprintf("fish");
+                                       /* over 10 days */
+                                       } else if (idlehours > 239) {
+                                               pprintf("%3ldd",
+                                                       idlehours / 24);
+                                       /* over 10 hours */
+                                       } else if (idlehours > 9) {
+                                               pprintf("%1ldd%02ld",
+                                                       idlehours / 24,
+                                                       idlehours % 24);
+                                       /* less than 10 hours */
+                                       } else {
+                                               pprintf("%1ld:%02ld",
+                                                       idlehours, idlemins);
+                                       }
+                               }
+                               else {
+                                       pprintf("    ");
+                               }
+                               pprintf(" ");
                                color(BRIGHT_CYAN);
                                fromhost[24] = '\0';
                                pprintf("%-24s\n", fromhost);
@@ -900,9 +995,10 @@ void who_is_online(int longlist)
                        }
                }
        }
+       free(listing);
 }
 
-void enternew(char *desc, char *buf, int maxlen)
+void enternew(CtdlIPC *ipc, char *desc, char *buf, int maxlen)
 {
        char bbb[128];
        snprintf(bbb, sizeof bbb, "Enter in your new %s: ", desc);
@@ -921,6 +1017,11 @@ int shift(int argc, char **argv, int start, int count) {
        return argc;
 }
 
+static void statusHook(char *s) {
+       sln_printf(s);
+       sln_flush();
+}
+
 /*
  * main
  */
@@ -935,27 +1036,39 @@ int main(int argc, char **argv)
        char hexstring[MD5_HEXSTRING_SIZE];
        int stored_password = 0;
        char password[SIZ];
+       struct ctdlipcmisc chek;
+       struct ctdluser *myself = NULL;
+       CtdlIPC* ipc;                   /* Our server connection */
+       int r;                          /* IPC result code */
+
+       setIPCDeathHook(screen_delete);
+       setIPCErrorPrintf(err_printf);
+       setCryptoStatusHook(statusHook);
        
        /* Permissions sanity check - don't run citadel setuid/setgid */
        if (getuid() != geteuid()) {
                err_printf("Please do not run citadel setuid!\n");
-               logoff(3);
+               logoff(NULL, 3);
        } else if (getgid() != getegid()) {
                err_printf("Please do not run citadel setgid!\n");
-               logoff(3);
+               logoff(NULL, 3);
        }
 
-       sttybbs(SB_SAVE);       /* Store the old terminal parameters */
+       stty_ctdl(SB_SAVE);     /* Store the old terminal parameters */
        load_command_set();     /* parse the citadel.rc file */
-       sttybbs(SB_NO_INTR);    /* Install the new ones */
-       signal(SIGHUP, dropcarr);       /* Cleanup gracefully if carrier is dropped */
+       stty_ctdl(SB_NO_INTR);  /* Install the new ones */
+       /* signal(SIGHUP, dropcarr);FIXME */    /* Cleanup gracefully if carrier is dropped */
+       signal(SIGPIPE, dropcarr);      /* Cleanup gracefully if local conn. dropped */
        signal(SIGTERM, dropcarr);      /* Cleanup gracefully if terminated */
-       signal(SIGCONT, catch_sigcont);         /* Catch SIGCONT so we can reset terminal */
+       signal(SIGCONT, catch_sigcont); /* Catch SIGCONT so we can reset terminal */
+#ifdef SIGWINCH
+       signal(SIGWINCH, scr_winch);    /* Window resize signal */
+#endif
 
 #ifdef HAVE_OPENSSL
        arg_encrypt = RC_DEFAULT;
 #endif
-#ifdef HAVE_CURSES_H
+#if defined(HAVE_CURSES_H) && !defined(DISABLE_CURSES)
        arg_screen = RC_DEFAULT;
 #endif
 
@@ -977,20 +1090,20 @@ int main(int argc, char **argv)
                if (!strcmp(argv[a], "-X")) {
 #ifdef HAVE_OPENSSL
                        arg_encrypt = RC_YES;
-                        argc = shift(argc, argv, a, 1);
+                       argc = shift(argc, argv, a, 1);
 #else
                        fprintf(stderr, "Not compiled with encryption support");
                        return 1;
 #endif
                }
                if (!strcmp(argv[a], "-s")) {
-#ifdef HAVE_CURSES_H
+#if defined(HAVE_CURSES_H) && !defined(DISABLE_CURSES)
                        arg_screen = RC_NO;
 #endif
                        argc = shift(argc, argv, a, 1);
                }
                if (!strcmp(argv[a], "-S")) {
-#ifdef HAVE_CURSES_H
+#if defined(HAVE_CURSES_H) && !defined(DISABLE_CURSES)
                        arg_screen = RC_YES;
 #endif
                        argc = shift(argc, argv, a, 1);
@@ -998,9 +1111,9 @@ int main(int argc, char **argv)
                if (!strcmp(argv[a], "-p")) {
                        struct stat st;
                
-                       if (chdir(BBSDIR) < 0) {
-                               perror("can't change to " BBSDIR);
-                               logoff(3);
+                       if (chdir(CTDLDIR) < 0) {
+                               perror("can't change to " CTDLDIR);
+                               logoff(NULL, 3);
                        }
 
                        /*
@@ -1009,21 +1122,27 @@ int main(int argc, char **argv)
                         * guaranteed to have the uid/gid we want.
                         */
                        if (!getuid() || !getgid()) {
-                               if (stat(BBSDIR "/citadel.config", &st) < 0) {
+                               if (stat(
+#ifndef HAVE_ETC_DIR
+                                                CTDLDIR 
+#else
+                                                ETC_DIR
+#endif
+                                                "/citadel.config", &st) < 0) {
                                        perror("couldn't stat citadel.config");
-                                       logoff(3);
+                                       logoff(NULL, 3);
                                }
                                if (!getgid() && (setgid(st.st_gid) < 0)) {
                                        perror("couldn't change gid");
-                                       logoff(3);
+                                       logoff(NULL, 3);
                                }
                                if (!getuid() && (setuid(st.st_uid) < 0)) {
                                        perror("couldn't change uid");
-                                       logoff(3);
+                                       logoff(NULL, 3);
                                }
                                /*
-                               scr_printf("Privileges changed to uid %d gid %d\n",
-                                               getuid(), getgid());
+                                 scr_printf("Privileges changed to uid %d gid %d\n",
+                                 getuid(), getgid());
                                */
                        }
                        argc = shift(argc, argv, a, 1);
@@ -1032,80 +1151,96 @@ int main(int argc, char **argv)
 
        screen_new();
 
+#ifdef __CYGWIN__
+       newprompt("Connect to (return for local server): ", hostbuf, 64);
+#endif
+
        sln_printf("Attaching to server... \r");
        sln_flush();
-       attach_to_server(argc, argv, hostbuf, portbuf);
+       ipc = CtdlIPC_new(argc, argv, hostbuf, portbuf);
+       if (!ipc) {
+               screen_delete();
+               error_printf("Can't connect: %s\n", strerror(errno));
+               logoff(NULL, 3);
+       }
+#if defined(HAVE_CURSES_H) && !defined(DISABLE_CURSES)
+       CtdlIPC_SetNetworkStatusCallback(ipc, wait_indicator);
+#endif
+       ipc_for_signal_handlers = ipc;  /* KLUDGE cover your eyes */
 
-       serv_gets(aaa);
+       CtdlIPC_chat_recv(ipc, aaa);
        if (aaa[0] != '2') {
                scr_printf("%s\n", &aaa[4]);
-               logoff(atoi(aaa));
+               logoff(ipc, atoi(aaa));
        }
 
-/* If there is a [nonce] at the end, put the nonce in <nonce>, else nonce
- * is zeroized.
- */
+       /* If there is a [nonce] at the end, put the nonce in <nonce>, else nonce
       * is zeroized.
       */
        
        if ((sptr = strchr(aaa, '<')) == NULL)
-       {
-          nonce[0] = '\0';
-       }
+               {
+                       nonce[0] = '\0';
+               }
        else
-       {
-          if ((sptr2 = strchr(sptr, '>')) == NULL)
-          {
-             nonce[0] = '\0';
-          }
-          else
-          {
-             sptr2++;
-             *sptr2 = '\0';
-             strncpy(nonce, sptr, NONCE_SIZE);
-          }
-       }
-
-       get_serv_info(telnet_client_host);
-
-       scr_printf("%-24s\n%s\n%s\n", serv_info.serv_software, serv_info.serv_humannode,
-               serv_info.serv_bbs_city);
+               {
+                       if ((sptr2 = strchr(sptr, '>')) == NULL)
+                               {
+                                       nonce[0] = '\0';
+                               }
+                       else
+                               {
+                                       sptr2++;
+                                       *sptr2 = '\0';
+                                       strncpy(nonce, sptr, (size_t)NONCE_SIZE);
+                               }
+               }
+
+#ifdef HAVE_OPENSSL
+       /* Evaluate encryption preferences */
+       if (arg_encrypt != RC_NO && rc_encrypt != RC_NO) {
+               if (!ipc->isLocal || arg_encrypt == RC_YES || rc_encrypt == RC_YES) {
+                       secure = (CtdlIPCStartEncryption(ipc, aaa) / 100 == 2) ? 1 : 0;
+                       if (!secure)
+                               error_printf("Can't encrypt: %s\n", aaa);
+               }
+       }
+#endif
+
+       get_serv_info(ipc, telnet_client_host);
+       scr_printf("%-24s\n%s\n%s\n", ipc->ServInfo.software, ipc->ServInfo.humannode,
+                  ipc->ServInfo.site_location);
        scr_flush();
 
-       secure = starttls();
-       status_line(serv_info.serv_humannode, serv_info.serv_bbs_city, NULL,
-                       secure, -1);
+       status_line(ipc->ServInfo.humannode, ipc->ServInfo.site_location, NULL,
+                   secure, -1);
 
        screenwidth = 80;       /* default screen dimensions */
        screenheight = 24;
        
        scr_printf(" pause    next    stop\n");
        scr_printf(" ctrl-s  ctrl-o  ctrl-c\n\n");
-       formout("hello");       /* print the opening greeting */
+       formout(ipc, "hello");  /* print the opening greeting */
        scr_printf("\n");
 
-GSTA:  /* See if we have a username and password on disk */
+ GSTA: /* See if we have a username and password on disk */
        if (rc_remember_passwords) {
                get_stored_password(hostbuf, portbuf, fullname, password);
                if (strlen(fullname) > 0) {
-                       snprintf(aaa, sizeof(aaa)-1, "USER %s", fullname);
-                       serv_puts(aaa);
-                       serv_gets(aaa);
-                       if (nonce[0])
-                       {
-                               sprintf(aaa, "PAS2 %s", make_apop_string(password, nonce, hexstring));
+                       r = CtdlIPCTryLogin(ipc, fullname, aaa);
+                       if (r / 100 == 3) {
+                               if (*nonce) {
+                                       r = CtdlIPCTryApopPassword(ipc, make_apop_string(password, nonce, hexstring, sizeof hexstring), aaa);
+                               } else {
+                                       r = CtdlIPCTryPassword(ipc, password, aaa);
+                               }
                        }
-                       else    /* Else no APOP */
-                       {
-                               snprintf(aaa, sizeof(aaa)-1, "PASS %s", password);
-                       }
-                       
-                       serv_puts(aaa);
-                       serv_gets(aaa);
-                       if (aaa[0] == '2') {
-                               load_user_info(&aaa[4]);
+
+                       if (r / 100 == 2) {
+                               load_user_info(aaa);
                                stored_password = 1;
                                goto PWOK;
-                       }
-                       else {
+                       } else {
                                set_stored_password(hostbuf, portbuf, "", "");
                        }
                }
@@ -1124,19 +1259,17 @@ GSTA:   /* See if we have a username and password on disk */
                        scr_printf("Please enter the name you wish to log in with.\n");
                }
        } while (
-                       (!strcasecmp(fullname, "bbs"))
-                       || (!strcasecmp(fullname, "new"))
-                       || (strlen(fullname) == 0));
+                (!strcasecmp(fullname, "bbs"))
+                || (!strcasecmp(fullname, "new"))
+                || (strlen(fullname) == 0));
 
        if (!strcasecmp(fullname, "off")) {
                mcmd = 29;
                goto TERMN8;
        }
        /* sign on to the server */
-       snprintf(aaa, sizeof aaa, "USER %s", fullname);
-       serv_puts(aaa);
-       serv_gets(aaa);
-       if (aaa[0] != '3')
+       r = CtdlIPCTryLogin(ipc, fullname, aaa);
+       if (r / 100 != 3)
                goto NEWUSR;
 
        /* password authentication */
@@ -1147,48 +1280,44 @@ GSTA:   /* See if we have a username and password on disk */
        }
        strproc(password);
 
-       if (nonce[0])
-       {
-               sprintf(aaa, "PAS2 %s", make_apop_string(password, nonce, hexstring));
-       }
-       else    /* Else no APOP */
-       {
-                       snprintf(aaa, sizeof(aaa)-1, "PASS %s", password);
+       if (*nonce) {
+               r = CtdlIPCTryApopPassword(ipc, make_apop_string(password, nonce, hexstring, sizeof hexstring), aaa);
+       } else {
+               r = CtdlIPCTryPassword(ipc, password, aaa);
        }
        
-       serv_puts(aaa);
-       serv_gets(aaa);
-       if (aaa[0] == '2') {
-               load_user_info(&aaa[4]);
-               offer_to_remember_password(hostbuf, portbuf,
-                                       fullname, password);
+       if (r / 100 == 2) {
+               load_user_info(aaa);
+               offer_to_remember_password(ipc, hostbuf, portbuf,
+                                          fullname, password);
                goto PWOK;
        }
        scr_printf("<< wrong password >>\n");
        if (strlen(rc_password) > 0)
-               logoff(0);
+               logoff(ipc, 2);
        goto GSTA;
 
 NEWUSR:        if (strlen(rc_password) == 0) {
-               scr_printf("No record. Enter as new user? ");
+               scr_printf("'%s' not found.\n"
+                       "Do you want to create a new account with this name? ",
+                       fullname);
                if (yesno() == 0)
                        goto GSTA;
        }
-       snprintf(aaa, sizeof aaa, "NEWU %s", fullname);
-       serv_puts(aaa);
-       serv_gets(aaa);
-       if (aaa[0] != '2') {
+
+       r = CtdlIPCCreateUser(ipc, fullname, 1, aaa);
+       if (r / 100 != 2) {
                scr_printf("%s\n", aaa);
                goto GSTA;
        }
-       load_user_info(&aaa[4]);
+       load_user_info(aaa);
 
-       while (set_password() != 0);;
+       while (set_password(ipc) != 0);
        newnow = 1;
 
-       enter_config(1);
+       enter_config(ipc, 1);
 
-PWOK:
+ PWOK:
        /* Switch color support on or off if we're in user mode */
        if (rc_ansi_color == 3) {
                if (userflags & US_COLOR)
@@ -1197,20 +1326,20 @@ PWOK:
                        enable_color = 0;
        }
 
-       scr_printf("%s\nAccess level: %d (%s)\n"
-               "User #%ld / Login #%d",
-               fullname, axlevel, axdefs[(int) axlevel],
-               usernum, timescalled);
+       color(BRIGHT_WHITE);
+       scr_printf("\n%s\nAccess level: %d (%s)\n"
+                  "User #%ld / Login #%d",
+                  fullname, axlevel, axdefs[(int) axlevel],
+                  usernum, timescalled);
        if (lastcall > 0L) {
-               scr_printf(" / Last login: %s\n",
-                       asctime(localtime(&lastcall)) );
+               scr_printf(" / Last login: %s",
+                          asctime(localtime(&lastcall)));
        }
        scr_printf("\n");
 
-       serv_puts("CHEK");
-       serv_gets(aaa);
-       if (aaa[0] == '2') {
-               b = extract_int(&aaa[4], 0);
+       r = CtdlIPCMiscCheck(ipc, &chek, aaa);
+       if (r / 100 == 2) {
+               b = chek.newmail;
                if (b > 0) {
                        color(BRIGHT_RED);
                        if (b == 1)
@@ -1218,23 +1347,26 @@ PWOK:
                        if (b > 1)
                                scr_printf("*** You have %d new private messages in Mail>\n", b);
                        color(DIM_WHITE);
+                       if (strlen(rc_gotmail_cmd) > 0) {
+                               system(rc_gotmail_cmd);
+                       }
                }
-               if ((axlevel >= 6) && (extract_int(&aaa[4], 2) > 0)) {
+               if ((axlevel >= 6) && (chek.needvalid > 0)) {
                        scr_printf("*** Users need validation\n");
                }
-               if (extract_int(&aaa[4], 1) > 0) {
+               if (chek.needregis > 0) {
                        scr_printf("*** Please register.\n");
-                       formout("register");
-                       entregis();
+                       formout(ipc, "register");
+                       entregis(ipc);
                }
        }
        /* Make up some temporary filenames for use in various parts of the
         * program.  Don't mess with these once they've been set, because we
         * will be unlinking them later on in the program and we don't
         * want to delete something that we didn't create. */
-       snprintf(temp, sizeof temp, tmpnam(NULL));
-       snprintf(temp2, sizeof temp2, tmpnam(NULL));
-       snprintf(tempdir, sizeof tempdir, tmpnam(NULL));
+       CtdlMakeTempFileName(temp, sizeof temp);
+       CtdlMakeTempFileName(temp2, sizeof temp2);
+       CtdlMakeTempFileName(tempdir, sizeof tempdir);
 
        /* Get screen dimensions.  First we go to a default of 80x24.  Then
         * we try to get the user's actual screen dimensions off the server.
@@ -1244,11 +1376,10 @@ PWOK:
         */
        screenwidth = 80;
        screenheight = 24;
-       serv_puts("GETU");
-       serv_gets(aaa);
-       if (aaa[0] == '2') {
-               screenwidth = extract_int(&aaa[4], 0);
-               screenheight = extract_int(&aaa[4], 1);
+       r = CtdlIPCGetConfig(ipc, &myself, aaa);
+       if (r == 2) {
+               screenwidth = myself->USscreenwidth;
+               screenheight = myself->USscreenheight;
        }
        if (getenv("TERM") != NULL)
                if (!strcmp(getenv("TERM"), "xterm")) {
@@ -1258,23 +1389,22 @@ PWOK:
        check_screen_dims();
 #endif
 
-       set_floor_mode();
-
+       set_floor_mode(ipc);
 
        /* Enter the lobby */
-       dotgoto("_BASEROOM_", 1, 0);
+       dotgoto(ipc, "_BASEROOM_", 1, 0);
 
-/* Main loop for the system... user is logged in. */
-    uglistsize = 0;
+       /* Main loop for the system... user is logged in. */
+       uglistsize = 0;
 
        if (newnow == 1)
-               readmsgs(3, 1, 5);
+               readmsgs(ipc, LastMessages, ReadForward, 5);
        else
-               readmsgs(1, 1, 0);
+               readmsgs(ipc, NewMessages, ReadForward, 0);
 
        /* MAIN COMMAND LOOP */
        do {
-               mcmd = getcmd(argbuf);          /* Get keyboard command */
+               mcmd = getcmd(ipc, argbuf);     /* Get keyboard command */
 
 #ifdef TIOCGWINSZ
                check_screen_dims();            /* if xterm, get screen size */
@@ -1283,214 +1413,220 @@ PWOK:
                if (termn8 == 0)
                        switch (mcmd) {
                        case 1:
-                               formout("help");
+                               formout(ipc, "help");
                                break;
                        case 4:
-                               entmsg(0, 0);
+                               entmsg(ipc, 0, ((userflags & US_EXTEDIT) ? 2 : 0));
                                break;
                        case 36:
-                               entmsg(0, 1);
+                               entmsg(ipc, 0, 1);
                                break;
                        case 46:
-                               entmsg(0, 2);
+                               entmsg(ipc, 0, 2);
                                break;
                        case 78:
-                               newprompt("What do you want your username to be? ", aaa, 32);
-                               snprintf(bbb, sizeof bbb, "ENT0 2|0|0|0|%s", aaa);
-                               serv_puts(bbb);
-                               serv_gets(aaa);
-                               if (strncmp("200", aaa, 3))
-                                       scr_printf("\n%s\n", aaa);
-                               else
-                                       entmsg(0, 0);
-                               break;
-                       case 5:
-                               updatels();
-                               gotonext();
-                               break;
-                       case 47:
-                               if (!rc_alt_semantics)
-                                       updatelsa();
-                               gotonext();
+                               {
+                                       /* Only m.author is used */
+                                       struct ctdlipcmessage m;
+                                       newprompt("What do you want your username to be? ",
+                                               m.author, USERNAME_SIZE - 1);
+                                       m.text = "";
+                                       r = CtdlIPCPostMessage(ipc, 2, &m, aaa);
+                                       if (r / 100 != 2)
+                                               scr_printf("%s\n", aaa);
+                                       else
+                                               entmsg(ipc, 0, 0);
+                               }
+                               break;
+                       case 5:                         /* <G>oto */
+                               updatels(ipc);
+                               gotonext(ipc);
+                               break;
+                       case 47:                        /* <A>bandon */
+                               if (!rc_alt_semantics) {
+                                       updatelsa(ipc);
+                               }
+                               gotonext(ipc);
                                break;
-                       case 90:
+                       case 90:                        /* <.A>bandon */
                                if (!rc_alt_semantics)
-                                       updatelsa();
-                               dotgoto(argbuf, 0, 0);
+                                       updatelsa(ipc);
+                               dotgoto(ipc, argbuf, 0, 0);
                                break;
-                       case 58:
-                               updatelsa();
-                               dotgoto("_MAIL_", 1, 0);
+                       case 58:                        /* <M>ail */
+                               updatelsa(ipc);
+                               dotgoto(ipc, "_MAIL_", 1, 0);
                                break;
                        case 20:
-                               updatels();
-                               dotgoto(argbuf, 0, 0);
+                               if (strlen(argbuf) > 0) {
+                                       updatels(ipc);
+                                       dotgoto(ipc, argbuf, 0, 0);
+                               }
                                break;
                        case 52:
-                               if (rc_alt_semantics)
-                                       updatelsa();
-                               dotgoto(argbuf, 0, 0);
+                               if (strlen(argbuf) > 0) {
+                                       if (rc_alt_semantics) {
+                                               updatelsa(ipc);
+                                       }
+                                       dotgoto(ipc, argbuf, 0, 0);
+                               }
+                               break;
+                       case 95: /* what exactly is the numbering scheme supposed to be anyway? --Ford, there isn't one. -IO */
+                               dotungoto(ipc, argbuf);
                                break;
                        case 10:
-                               readmsgs(0, 1, 0);
+                               readmsgs(ipc, AllMessages, ReadForward, 0);
                                break;
                        case 9:
-                               readmsgs(3, 1, 5);
+                               readmsgs(ipc, LastMessages, ReadForward, 5);
                                break;
                        case 13:
-                               readmsgs(1, 1, 0);
+                               readmsgs(ipc, NewMessages, ReadForward, 0);
                                break;
                        case 11:
-                               readmsgs(0, (-1), 0);
+                               readmsgs(ipc, AllMessages, ReadReverse, 0);
                                break;
                        case 12:
-                               readmsgs(2, (-1), 0);
+                               readmsgs(ipc, OldMessages, ReadReverse, 0);
                                break;
                        case 71:
-                               readmsgs(3, 1, atoi(argbuf));
+                               readmsgs(ipc, LastMessages, ReadForward,
+                                               atoi(argbuf));
                                break;
                        case 7:
-                               forget();
+                               forget(ipc);
                                break;
                        case 18:
                                subshell();
                                break;
                        case 38:
-                               updatels();
-                               entroom();
+                               updatels(ipc);
+                               entroom(ipc);
                                break;
                        case 22:
-                               killroom();
+                               killroom(ipc);
                                break;
                        case 32:
-                               userlist(argbuf);
+                               userlist(ipc, argbuf);
                                break;
                        case 27:
-                               invite();
+                               invite(ipc);
                                break;
                        case 28:
-                               kickout();
+                               kickout(ipc);
                                break;
                        case 23:
-                               editthisroom();
+                               editthisroom(ipc);
                                break;
                        case 14:
-                               roomdir();
+                               roomdir(ipc);
                                break;
                        case 33:
-                               download(0);
+                               download(ipc, 0);
                                break;
                        case 34:
-                               download(1);
+                               download(ipc, 1);
                                break;
                        case 31:
-                               download(2);
+                               download(ipc, 2);
                                break;
                        case 43:
-                               download(3);
+                               download(ipc, 3);
                                break;
                        case 45:
-                               download(4);
+                               download(ipc, 4);
                                break;
                        case 55:
-                               download(5);
+                               download(ipc, 5);
                                break;
                        case 39:
-                               upload(0);
+                               upload(ipc, 0);
                                break;
                        case 40:
-                               upload(1);
+                               upload(ipc, 1);
                                break;
                        case 42:
-                               upload(2);
+                               upload(ipc, 2);
                                break;
                        case 44:
-                               upload(3);
+                               upload(ipc, 3);
                                break;
                        case 57:
-                               cli_upload();
+                               cli_upload(ipc);
                                break;
                        case 16:
-                               ungoto();
+                               ungoto(ipc);
                                break;
                        case 24:
-                               whoknows();
+                               whoknows(ipc);
                                break;
                        case 26:
-                               validate();
+                               validate(ipc);
                                break;
                        case 29:
-                               if (!rc_alt_semantics)
-                                       updatels();
-                               termn8 = 1;
-                               break;
                        case 30:
-                               if (!rc_alt_semantics)
-                                       updatels();
+                               if (!rc_alt_semantics) {
+                                       updatels(ipc);
+                               }
                                termn8 = 1;
                                break;
                        case 48:
-                               enterinfo();
+                               enterinfo(ipc);
                                break;
                        case 49:
-                               readinfo();
+                               readinfo(ipc);
                                break;
                        case 72:
-                               cli_image_upload("_userpic_");
+                               cli_image_upload(ipc, "_userpic_");
                                break;
                        case 73:
-                               cli_image_upload("_roompic_");
+                               cli_image_upload(ipc, "_roompic_");
                                break;
 
                        case 74:
                                snprintf(aaa, sizeof aaa, "_floorpic_|%d", curr_floor);
-                               cli_image_upload(aaa);
+                               cli_image_upload(ipc, aaa);
                                break;
 
                        case 75:
-                               enternew("roomname", aaa, 20);
-                               snprintf(bbb, sizeof bbb, "RCHG %s", aaa);
-                               serv_puts(bbb);
-                               serv_gets(aaa);
-                               if (strncmp("200", aaa, 3))
-                                       scr_printf("\n%s\n", aaa);
+                               enternew(ipc, "roomname", aaa, 20);
+                               r = CtdlIPCChangeRoomname(ipc, aaa, bbb);
+                               if (r / 100 != 2)
+                                       scr_printf("\n%s\n", bbb);
                                break;
                        case 76:
-                               enternew("hostname", aaa, 25);
-                               snprintf(bbb, sizeof bbb, "HCHG %s", aaa);
-                               serv_puts(bbb);
-                               serv_gets(aaa);
-                               if (strncmp("200", aaa, 3))
-                                       scr_printf("\n%s\n", aaa);
+                               enternew(ipc, "hostname", aaa, 25);
+                               r = CtdlIPCChangeHostname(ipc, aaa, bbb);
+                               if (r / 100 != 2)
+                                       scr_printf("\n%s\n", bbb);
                                break;
                        case 77:
-                               enternew("username", aaa, 32);
-                               snprintf(bbb, sizeof bbb, "UCHG %s", aaa);
-                               serv_puts(bbb);
-                               serv_gets(aaa);
-                               if (strncmp("200", aaa, 3))
-                                       scr_printf("\n%s\n", aaa);
+                               enternew(ipc, "username", aaa, 32);
+                               r = CtdlIPCChangeUsername(ipc, aaa, bbb);
+                               if (r / 100 != 2)
+                                       scr_printf("\n%s\n", bbb);
                                break;
 
                        case 35:
-                               set_password();
+                               set_password(ipc);
                                break;
 
                        case 21:
                                if (argbuf[0] == 0)
                                        strcpy(aaa, "?");
-                               display_help(argbuf);
+                               display_help(ipc, argbuf);
                                break;
 
                        case 41:
-                               formout("register");
-                               entregis();
+                               formout(ipc, "register");
+                               entregis(ipc);
                                break;
 
                        case 15:
                                scr_printf("Are you sure (y/n)? ");
                                if (yesno() == 1) {
-                                       updatels();
+                                       if (!rc_alt_semantics)
+                                               updatels(ipc);
                                        a = 0;
                                        termn8 = 1;
                                }
@@ -1498,13 +1634,13 @@ PWOK:
 
                        case 85:
                                scr_printf("All users will be disconnected!  "
-                                       "Really terminate the server? ");
+                                          "Really terminate the server? ");
                                if (yesno() == 1) {
-                                       serv_puts("DOWN");
-                                       serv_gets(aaa);
-                                       scr_printf("%s\n", &aaa[4]);
-                                       if (aaa[0]=='2') {
-                                               updatels();
+                                       if (!rc_alt_semantics)
+                                               updatels(ipc);
+                                       r = CtdlIPCTerminateServerNow(ipc, aaa);
+                                       scr_printf("%s\n", aaa);
+                                       if (r / 100 == 2) {
                                                a = 0;
                                                termn8 = 1;
                                        }
@@ -1513,62 +1649,66 @@ PWOK:
 
                        case 86:
                                scr_printf("Do you really want to schedule a "
-                                       "server shutdown? ");
+                                          "server shutdown? ");
                                if (yesno() == 1) {
-                                       serv_puts("SCDN 1");
-                                       serv_gets(aaa);
-                                       if (aaa[0]=='2') {
-                                               if (atoi(&aaa[4])) {
+                                       r = CtdlIPCTerminateServerScheduled(ipc, 1, aaa);
+                                       if (r / 100 == 2) {
+                                               if (atoi(aaa)) {
                                                        scr_printf(
-"The Citadel server will terminate when all users are logged off.\n"
-                                                               );
-                                               }
-                                               else {
+                                                                  "The Citadel server will terminate when all users are logged off.\n"
+                                                                  );
+                                               } else {
                                                        scr_printf(
-"The Citadel server will not terminate.\n"
-                                                               );
+                                                                  "The Citadel server will not terminate.\n"
+                                                                  );
                                                }
                                        }
                                }
                                break;
 
                        case 87:
-                               network_config_management("listrecp",
-                                       "Mailing list recipients");
+                               network_config_management(ipc, "listrecp",
+                                                         "Message-by-message mailing list recipients");
+                               break;
+
+                       case 94:
+                               network_config_management(ipc, "digestrecp",
+                                                         "Digest mailing list recipients");
                                break;
 
                        case 89:
-                               network_config_management("ignet_push_share",
-                                       "Nodes with which we share this room");
+                               network_config_management(ipc, "ignet_push_share",
+                                                         "Nodes with which we share this room");
                                break;
 
                        case 88:
-                               do_ignet_configuration();
+                               do_ignet_configuration(ipc);
                                break;
 
                        case 92:
-                               do_filterlist_configuration();
+                               do_filterlist_configuration(ipc);
                                break;
 
                        case 6:
-                               if (rc_alt_semantics)
-                                       updatelsa();
-                               gotonext();
+                               if (rc_alt_semantics) {
+                                       updatelsa(ipc);
+                               }
+                               gotonext(ipc);
                                break;
 
                        case 3:
-                               chatmode();
+                               chatmode(ipc);
                                break;
 
                        case 2:
-                               if (server_is_local) {
+                               if (ipc->isLocal) {
                                        screen_reset();
-                                       sttybbs(SB_RESTORE);
+                                       stty_ctdl(SB_RESTORE);
                                        snprintf(aaa, sizeof aaa, "USERNAME=\042%s\042; export USERNAME;"
                                                 "exec ./subsystem %ld %d %d", fullname,
-                                         usernum, screenwidth, axlevel);
+                                                usernum, screenwidth, axlevel);
                                        ka_system(aaa);
-                                       sttybbs(SB_NO_INTR);
+                                       stty_ctdl(SB_NO_INTR);
                                        screen_set();
                                } else {
                                        scr_printf("*** Can't run doors when server is not local.\n");
@@ -1576,140 +1716,160 @@ PWOK:
                                break;
 
                        case 17:
-                               who_is_online(0);
+                               who_is_online(ipc, 0);
                                break;
 
                        case 79:
-                               who_is_online(1);
+                               who_is_online(ipc, 1);
                                break;
 
-            case 91:
-                who_is_online(2);
-                break;
+                       case 91:
+                               who_is_online(ipc, 2);
+                               break;
                 
                        case 80:
-                               do_system_configuration();
+                               do_system_configuration(ipc);
                                break;
 
                        case 82:
-                               do_internet_configuration();
+                               do_internet_configuration(ipc);
                                break;
 
                        case 83:
-                               check_message_base();
+                               check_message_base(ipc);
                                break;
 
                        case 84:
-                               quiet_mode();
+                               quiet_mode(ipc);
+                               break;
+
+                       case 93:
+                               stealth_mode(ipc);
                                break;
 
                        case 50:
-                               enter_config(2);
+                               enter_config(ipc, 2);
                                break;
 
                        case 37:
-                               enter_config(0);
-                               set_floor_mode();
+                               enter_config(ipc, 0);
+                               set_floor_mode(ipc);
                                break;
 
                        case 59:
-                               enter_config(3);
-                               set_floor_mode();
+                               enter_config(ipc, 3);
+                               set_floor_mode(ipc);
                                break;
 
                        case 60:
-                               gotofloor(argbuf, GF_GOTO);
+                               gotofloor(ipc, argbuf, GF_GOTO);
                                break;
 
                        case 61:
-                               gotofloor(argbuf, GF_SKIP);
+                               gotofloor(ipc, argbuf, GF_SKIP);
                                break;
 
                        case 62:
-                               forget_this_floor();
+                               forget_this_floor(ipc);
                                break;
 
                        case 63:
-                               create_floor();
+                               create_floor(ipc);
                                break;
 
                        case 64:
-                               edit_floor();
+                               edit_floor(ipc);
                                break;
 
                        case 65:
-                               kill_floor();
+                               kill_floor(ipc);
                                break;
 
                        case 66:
-                               enter_bio();
+                               enter_bio(ipc);
                                break;
 
                        case 67:
-                               read_bio();
+                               read_bio(ipc);
                                break;
 
                        case 25:
-                               edituser();
+                               edituser(ipc, 25);
+                               break;
+
+                       case 96:
+                               edituser(ipc, 96);
                                break;
 
                        case 8:
-                               knrooms(floor_mode);
+                               knrooms(ipc, floor_mode);
                                scr_printf("\n");
                                break;
 
                        case 68:
-                               knrooms(2);
+                               knrooms(ipc, 2);
                                scr_printf("\n");
                                break;
 
                        case 69:
-                               misc_server_cmd(argbuf);
+                               misc_server_cmd(ipc, argbuf);
                                break;
 
                        case 70:
-                               edit_system_message(argbuf);
+                               edit_system_message(ipc, argbuf);
                                break;
 
                        case 19:
-                               listzrooms();
+                               listzrooms(ipc);
                                scr_printf("\n");
                                break;
 
                        case 51:
-                               deletefile();
+                               deletefile(ipc);
                                break;
 
                        case 53:
-                               netsendfile();
+                               netsendfile(ipc);
                                break;
 
                        case 54:
-                               movefile();
+                               movefile(ipc);
                                break;
 
                        case 56:
-                               page_user();
-                               break;
-
+                               page_user(ipc);
+                               break;
+
+                       default: /* allow some math on the command */
+                               /* commands 100... to 100+MAX_EDITORS-1 will
+                                  call the appropriate editor... in other
+                                  words, command numbers 100+ will match
+                                  the citadel.rc keys editor0, editor1, etc.*/
+                               if (mcmd >= 100 && mcmd < (100+MAX_EDITORS))
+                               {
+                                       /* entmsg mode >=2 select editor */
+                                       entmsg(ipc, 0, mcmd - 100 + 2);
+                                       break;
+                               }
                        }       /* end switch */
        } while (termn8 == 0);
 
-TERMN8:        scr_printf("%s logged out.\n", fullname);
+TERMN8:        scr_printf("%s logged out.", fullname);
+       termn8 = 0;
+       color(ORIGINAL_PAIR);
+       scr_printf("\n");
        while (march != NULL) {
                remove_march(march->march_name, 0);
        }
        if (mcmd == 30) {
                sln_printf("\n\nType 'off' to disconnect, or next user...\n");
        }
-       snprintf(aaa, sizeof aaa, "LOUT");
-       serv_puts(aaa);
-       serv_gets(aaa);
-       screen_delete();
-       sttybbs(SB_RESTORE);
+       CtdlIPCLogout(ipc);
        if ((mcmd == 29) || (mcmd == 15)) {
-               formout("goodbye");
-               logoff(0);
+               screen_delete();
+               stty_ctdl(SB_RESTORE);
+               formout(ipc, "goodbye");
+               logoff(ipc, 0);
        }
        goto GSTA;