]> code.citadel.org Git - citadel.git/blobdiff - citadel/messages.c
* Replaced the DEFAULT_ENTRY definition in sysconfig.h with a new option
[citadel.git] / citadel / messages.c
index f7035ccc59fcd2f611423bbdf554ceaf67a30389..24b051464c9802cee62ff94a425544d4840d7df8 100644 (file)
 
 #include <stdarg.h>
 #include "citadel.h"
+#include "citadel_ipc.h"
+#include "citadel_decls.h"
 #include "messages.h"
 #include "commands.h"
 #include "rooms.h"
 #include "tools.h"
+#include "html.h"
 #ifndef HAVE_SNPRINTF
 #include "snprintf.h"
 #endif
 #include "screen.h"
 
 #define MAXWORDBUF SIZ
-#define MAXMSGS 512
+#define NO_REPLY_TO    "nobody ... xxxxxx"
+
+char reply_to[SIZ];
+char reply_subject[SIZ];
 
 struct cittext {
        struct cittext *next;
@@ -50,20 +56,16 @@ struct cittext {
 };
 
 void sttybbs(int cmd);
-int haschar(char *st, int ch);
-int checkpagin(int lp, int pagin, int height);
+int haschar(const char *st, int ch);
 void getline(char *string, int lim);
-void formout(char *name);
-int yesno(void);
-void newprompt(char *prompt, char *str, int len);
 int file_checksum(char *filename);
-void do_edit(char *desc, char *read_cmd, char *check_cmd, char *write_cmd);
+void progress(unsigned long curr, unsigned long cmax);
 
-char reply_to[SIZ];
-char reply_subject[SIZ];
-long msg_arr[MAXMSGS];
+unsigned long *msg_arr = NULL;
+int msg_arr_size = 0;
 int num_msgs;
 char rc_alt_semantics;
+char rc_reply_extedit;
 extern char room_name[];
 extern unsigned room_flags;
 extern long highest_msg_read;
@@ -80,21 +82,20 @@ extern char fullname[];
 extern char axlevel;
 extern unsigned userflags;
 extern char sigcaught;
-extern char editor_path[];
 extern char printcmd[];
 extern int rc_allow_attachments;
 extern int rc_display_message_numbers;
 extern int rc_force_mail_prompts;
-
 extern int editor_pid;
+extern CtdlIPC *ipc_for_signal_handlers;       /* KLUDGE cover your eyes */
+int num_urls = 0;
+char urls[MAXURLS][SIZ];
 
 void ka_sigcatch(int signum)
 {
-       char buf[SIZ];
        alarm(S_KEEPALIVE);
        signal(SIGALRM, ka_sigcatch);
-       serv_puts("NOOP");
-       serv_gets(buf);
+       CtdlIPCNoop(ipc_for_signal_handlers);
 }
 
 
@@ -201,7 +202,7 @@ void add_word(struct cittext *textlist, char *wordbuf)
 /*
  * begin editing of an opened file pointed to by fp
  */
-void citedit(FILE * fp)
+void citedit(CtdlIPC *ipc, FILE * fp)
 {
        int a, prev, finished, b, last_space;
        int appending = 0;
@@ -271,6 +272,13 @@ void citedit(FILE * fp)
                                scr_putc(32);
                                scr_putc(8);
                        }
+               } else if (a == 23) {
+                       do {
+                               wordbuf[strlen(wordbuf) - 1] = 0;
+                               scr_putc(8);
+                               scr_putc(32);
+                               scr_putc(8);
+                       } while (strlen(wordbuf) && wordbuf[strlen(wordbuf) - 1] != ' ');
                } else if (a == 13) {
                        scr_printf("\n");
                        if (strlen(wordbuf) == 0)
@@ -343,27 +351,38 @@ void citedit(FILE * fp)
 
 /* Read a message from the server
  */
-int read_message(
+int read_message(CtdlIPC *ipc,
        long num,   /* message number */
-       char pagin, /* 0 = normal read, 1 = read with pagination, 2 = header */
+       int pagin, /* 0 = normal read, 1 = read with pagination, 2 = header */
        FILE *dest) /* Destination file, NULL for screen */
 {
        char buf[SIZ];
-       char m_subject[SIZ];
-       char from[SIZ], node[SIZ], rfca[SIZ];
        char now[SIZ];
        int format_type = 0;
        int fr = 0;
        int nhdr = 0;
+       struct ctdlipcmessage *message = NULL;
+       int r;                          /* IPC response code */
+       char *converted_text = NULL;
+       char *lineptr;
+       char *nextline;
+       char *searchptr;
+       int i;
+       char ch;
+       int linelen;
+       int final_line_is_blank = 0;
 
        sigcaught = 0;
        sttybbs(1);
 
-       sprintf(buf, "MSG0 %ld|%d", num, (pagin == READ_HEADER ? 1 : 0));
-       serv_puts(buf);
-       serv_gets(buf);
-       if (buf[0] != '1') {
-               err_printf("*** msg #%ld: %s\n", num, buf);
+       strcpy(reply_to, NO_REPLY_TO);
+       strcpy(reply_subject, "");
+
+       r = CtdlIPCGetSingleMessage(ipc, num, (pagin == READ_HEADER ? 1 : 0),
+                               (can_do_msg4 ? 4 : 0),
+                               &message, buf);
+       if (r / 100 != 1) {
+               err_printf("*** msg #%ld: %d %s\n", num, r, buf);
                ++lines_printed;
                lines_printed =
                    checkpagin(lines_printed, pagin, screenheight);
@@ -371,235 +390,309 @@ int read_message(
                return (0);
        }
 
-       strcpy(m_subject, "");
-       strcpy(reply_to, "nobody ... xxxxx");
-       strcpy(from, "");
-       strcpy(node, "");
-       strcpy(rfca, "");
-
        if (dest) {
                fprintf(dest, "\n ");
        } else {
                scr_printf("\n");
                ++lines_printed;
                lines_printed = checkpagin(lines_printed, pagin, screenheight);
-               scr_printf(" ");
+               if (pagin != 2)
+                       scr_printf(" ");
        }
        if (pagin == 1 && !dest) {
                color(BRIGHT_CYAN);
        }
 
+       /* View headers only */
        if (pagin == 2) {
-               while (serv_gets(buf), strcmp(buf, "000")) {
-                       if (buf[4] == '=') {
-                               if (dest) {
-                                       fprintf(dest, "%s\n", buf);
-                               } else {
-                                       scr_printf("%s\n", buf);
-                                       ++lines_printed;
-                                       lines_printed =
-                                               checkpagin(lines_printed,
-                                               pagin, screenheight);
-                               }
+               pprintf("nhdr=%s\nfrom=%s\ntype=%d\nmsgn=%s\n",
+                               message->nhdr ? "yes" : "no",
+                               message->author, message->type,
+                               message->msgid);
+               if (strlen(message->subject)) {
+                       pprintf("subj=%s\n", message->subject);
+               }
+               if (strlen(message->email)) {
+                       pprintf("rfca=%s\n", message->email);
+               }
+               pprintf("hnod=%s\nroom=%s\nnode=%s\ntime=%s",
+                               message->hnod, message->room,
+                               message->node, 
+                               asctime(localtime(&message->time)));
+               if (strlen(message->recipient)) {
+                       pprintf("rcpt=%s\n", message->recipient);
+               }
+               if (message->attachments) {
+                       struct parts *ptr;
+
+                       for (ptr = message->attachments; ptr; ptr = ptr->next) {
+                               pprintf("part=%s|%s|%s|%s|%s|%ld\n",
+                                       ptr->name, ptr->filename, ptr->number,
+                                       ptr->disposition, ptr->mimetype,
+                                       ptr->length);
                        }
                }
+               pprintf("\n");
                sttybbs(0);
                return (0);
        }
 
-       while (serv_gets(buf), strncasecmp(buf, "text", 4)) {
-               if (!strncasecmp(buf, "nhdr=yes", 8))
-                       nhdr = 1;
-               if (!strncasecmp(buf, "from=", 5)) {
-                       strcpy(from, &buf[5]);
+       if (rc_display_message_numbers) {
+               if (dest) {
+                       fprintf(dest, "[#%s] ", message->msgid);
+               } else {
+                       color(DIM_WHITE);
+                       scr_printf("[");
+                       color(BRIGHT_WHITE);
+                       scr_printf("#%s", message->msgid);
+                       color(DIM_WHITE);
+                       scr_printf("] ");
                }
-               if (nhdr == 1)
-                       buf[0] = '_';
-
-               if (!strncasecmp(buf, "type=", 5))
-                       format_type = atoi(&buf[5]);
-               else if ((!strncasecmp(buf, "msgn=", 5))
-                   && (rc_display_message_numbers)) {
-                       if (dest) {
-                               fprintf(dest, "[#%s] ", &buf[5]);
-                       } else {
-                               color(DIM_WHITE);
-                               scr_printf("[");
-                               color(BRIGHT_WHITE);
-                               scr_printf("#%s", &buf[5]);
-                               color(DIM_WHITE);
-                               scr_printf("] ");
-                       }
+       }
+       if (nhdr == 1 && !is_room_aide) {
+               if (dest) {
+                       fprintf(dest, " ****");
+               } else {
+                       scr_printf(" ****");
                }
-               else if (!strncasecmp(buf, "from=", 5)) {
-                       if (dest) {
-                               fprintf(dest, "from %s ", &buf[5]);
-                       } else {
-                               color(DIM_WHITE);
-                               scr_printf("from ");
-                               color(BRIGHT_CYAN);
-                               scr_printf("%s ", &buf[5]);
+       } else {
+               fmt_date(now, sizeof now, message->time, 0);
+               if (dest) {
+                       fprintf(dest, "%s from %s ", now, message->author);
+                       if (strlen(message->email)) {
+                               fprintf(dest, "<%s> ", message->email);
                        }
-               }
-               else if (!strncasecmp(buf, "subj=", 5)) {
-                       strcpy(m_subject, &buf[5]);
-               }
-               else if (!strncasecmp(buf, "rfca=", 5)) {
-                       safestrncpy(rfca, &buf[5], sizeof(rfca) - 5);
-                       if (dest) {
-                               fprintf(dest, "<%s> ", &buf[5]);
-                       } else {
+               } else {
+                       color(BRIGHT_CYAN);
+                       scr_printf("%s ", now);
+                       color(DIM_WHITE);
+                       scr_printf("from ");
+                       color(BRIGHT_CYAN);
+                       scr_printf("%s ", message->author);
+                       if (strlen(message->email)) {
                                color(DIM_WHITE);
                                scr_printf("<");
                                color(BRIGHT_BLUE);
-                               scr_printf("%s", &buf[5]);
-                               color(DIM_WHITE);
+                               scr_printf("%s", message->email);
+                                       color(DIM_WHITE);
                                scr_printf("> ");
                        }
                }
-               else if ((!strncasecmp(buf, "hnod=", 5))
-                   && (strcasecmp(&buf[5], serv_info.serv_humannode))
-                   && (strlen(rfca) == 0)) {
-                       if (dest) {
-                               fprintf(dest, "(%s) ", &buf[5]);
-                       } else {
-                               color(DIM_WHITE);
-                               scr_printf("(");
-                               color(BRIGHT_WHITE);
-                               scr_printf("%s", &buf[5]);
-                               color(DIM_WHITE);
-                               scr_printf(") ");
-                       }
-               }
-               else if ((!strncasecmp(buf, "room=", 5))
-                   && (strcasecmp(&buf[5], room_name))
-                   && (strlen(rfca) == 0)) {
-                       if (dest) {
-                               fprintf(dest, "in %s> ", &buf[5]);
-                       } else {
-                               color(DIM_WHITE);
-                               scr_printf("in ");
-                               color(BRIGHT_MAGENTA);
-                               scr_printf("%s> ", &buf[5]);
-                       }
-               }
-               else if (!strncasecmp(buf, "node=", 5)) {
-                       safestrncpy(node, &buf[5], sizeof(buf) - 5);
+               if (strlen(message->node)) {
                        if ((room_flags & QR_NETWORK)
-                           ||
-                           ((strcasecmp
-                             (&buf[5], serv_info.serv_nodename)
-                             &&
-                             (strcasecmp(&buf[5], serv_info.serv_fqdn)))))
-                       {
-                               if (strlen(rfca) == 0) {
+                           || ((strcasecmp(message->node, serv_info.serv_nodename)
+                            && (strcasecmp(message->node, serv_info.serv_fqdn))))) {
+                               if (strlen(message->email) == 0) {
                                        if (dest) {
-                                               fprintf(dest, "@%s ", &buf[5]);
+                                               fprintf(dest, "@%s ", message->node);
                                        } else {
                                                color(DIM_WHITE);
                                                scr_printf("@");
                                                color(BRIGHT_YELLOW);
-                                               scr_printf("%s ", &buf[5]);
+                                               scr_printf("%s ", message->node);
                                        }
                                }
                        }
                }
-               else if (!strncasecmp(buf, "rcpt=", 5)) {
+               if (strcasecmp(message->hnod, serv_info.serv_humannode)
+                   && (strlen(message->hnod)) && (!strlen(message->email))) {
                        if (dest) {
-                               fprintf(dest, "to %s ", &buf[5]);
+                               fprintf(dest, "(%s) ", message->hnod);
                        } else {
                                color(DIM_WHITE);
-                               scr_printf("to ");
-                               color(BRIGHT_CYAN);
-                               scr_printf("%s ", &buf[5]);
+                               scr_printf("(");
+                               color(BRIGHT_WHITE);
+                               scr_printf("%s", message->hnod);
+                               color(DIM_WHITE);
+                               scr_printf(") ");
                        }
                }
-               else if (!strncasecmp(buf, "time=", 5)) {
-                       fmt_date(now, atol(&buf[5]), 0);
+               if (strcasecmp(message->room, room_name) && (strlen(message->email) == 0)) {
                        if (dest) {
-                               fprintf(dest, "%s ", now);
+                               fprintf(dest, "in %s> ", message->room);
                        } else {
-                               scr_printf("%s ", now);
+                               color(DIM_WHITE);
+                               scr_printf("in ");
+                               color(BRIGHT_MAGENTA);
+                               scr_printf("%s> ", message->room);
                        }
                }
-       }
-
-       if (nhdr == 1) {
-               if (!is_room_aide) {
-                       if (dest) {
-                               fprintf(dest, " ****");
-                       } else {
-                               scr_printf(" ****");
-                       }
-               } else {
+               if (strlen(message->recipient)) {
                        if (dest) {
-                               fprintf(dest, " %s", from);
+                               fprintf(dest, "to %s ", message->recipient);
                        } else {
-                               scr_printf(" %s", from);
+                               color(DIM_WHITE);
+                               scr_printf("to ");
+                               color(BRIGHT_CYAN);
+                               scr_printf("%s ", message->recipient);
                        }
                }
        }
+       
        if (dest) {
                fprintf(dest, "\n");
        } else {
                scr_printf("\n");
        }
 
-       if (strlen(rfca) > 0) {
-               strcpy(reply_to, rfca);
-       } else {
-               snprintf(reply_to, sizeof(reply_to), "%s @ %s", from,
-                        node);
+       /* Set the reply-to address to an Internet e-mail address if possible
+        */
+       if (message->email != NULL) if (strlen(message->email) > 0) {
+               safestrncpy(reply_to, message->email, sizeof reply_to);
+       }
+
+       /* But if we can't do that, set it to a Citadel address.
+        */
+       if (!strcmp(reply_to, NO_REPLY_TO)) {
+               snprintf(reply_to, sizeof(reply_to), "%s @ %s",
+                        message->author, message->node);
        }
 
-       if (pagin == 1 && !dest)
-               color(BRIGHT_WHITE);
        if (!dest) {
                ++lines_printed;
                lines_printed = checkpagin(lines_printed, pagin, screenheight);
        }
 
-       strcpy(reply_subject, m_subject);
-       if (strlen(m_subject) > 0) {
-               if (dest) {
-                       fprintf(dest, "Subject: %s\n", m_subject);
-               } else {
-                       scr_printf("Subject: %s\n", m_subject);
-                       ++lines_printed;
-                       lines_printed = checkpagin(lines_printed,
-                                       pagin, screenheight);
+       if (message->subject != NULL) {
+               safestrncpy(reply_subject, message->subject,
+                                               sizeof reply_subject);
+               if (strlen(message->subject) > 0) {
+                       if (dest) {
+                               fprintf(dest, "Subject: %s\n",
+                                                       message->subject);
+                       } else {
+                               color(DIM_WHITE);
+                               scr_printf("Subject: ");
+                               color(BRIGHT_CYAN);
+                               scr_printf("%s\n", message->subject);
+                               ++lines_printed;
+                               lines_printed = checkpagin(lines_printed,
+                                               pagin, screenheight);
+                       }
+               }
+       }
+
+       if (pagin == 1 && !dest) {
+               color(BRIGHT_WHITE);
+       }
+
+       /******* end of header output, start of message text output *******/
+
+       /*
+        * Convert HTML to plain text, formatting for the actual width
+        * of the client screen.
+        */
+       if (!strcasecmp(message->content_type, "text/html")) {
+               converted_text = html_to_ascii(message->text, screenwidth, 0);
+               if (converted_text != NULL) {
+                       free(message->text);
+                       message->text = converted_text;
+                       format_type = 1;
                }
        }
 
+       /* Text/plain is a different type */
+       if (!strcasecmp(message->content_type, "text/plain")) {
+               format_type = 1;
+       }
+
+       /* Extract URL's */
+       num_urls = 0;   /* Start with a clean slate */
+       searchptr = message->text;
+       while ( (searchptr != NULL) && (num_urls < MAXURLS) ) {
+               searchptr = strstr(searchptr, "http://");
+               if (searchptr != NULL) {
+                       safestrncpy(urls[num_urls], searchptr, sizeof(urls[num_urls]));
+                       for (i = 0; i < strlen(urls[num_urls]); i++) {
+                               ch = urls[num_urls][i];
+                               if (ch == '>' || ch == '\"' || ch == ')' ||
+                                   ch == ' ' || ch == '\n') {
+                                       urls[num_urls][i] = 0;
+                                       break;
+                               }
+                       }
+                       num_urls++;
+                       ++searchptr;
+               }
+       }
+
+       /*
+        * Here we go
+        */
        if (format_type == 0) {
-               fr = fmout(screenwidth, NULL, dest,
+               fr = fmout(screenwidth, NULL, message->text, dest,
                           ((pagin == 1) ? 1 : 0), screenheight, (-1), 1);
        } else {
-               while (serv_gets(buf), strcmp(buf, "000")) {
+               /* renderer for text/plain */
+
+               lineptr = message->text;
+
+               do {
+                       nextline = strchr(lineptr, '\n');
+                       if (nextline != NULL) {
+                               *nextline = 0;
+                               ++nextline;
+                               if (*nextline == 0) nextline = NULL;
+                       }
+
                        if (sigcaught == 0) {
+                               linelen = strlen(lineptr);
+                               if (lineptr[linelen-1] == '\r') {
+                                       lineptr[--linelen] = 0;
+                               }
                                if (dest) {
-                                       fprintf(dest, "%s\n", buf);
+                                       fprintf(dest, "%s\n", lineptr);
                                } else {
-                               scr_printf("%s\n", buf);
+                                       scr_printf("%s\n", lineptr);
                                        lines_printed = lines_printed + 1 +
-                                           (strlen(buf) / screenwidth);
+                                           (linelen / screenwidth);
                                        lines_printed =
                                            checkpagin(lines_printed, pagin,
                                                       screenheight);
                                }
                        }
-               }
+                       if (lineptr[0] == 0) final_line_is_blank = 1;
+                       else final_line_is_blank = 0;
+                       lineptr = nextline;
+               } while (nextline);
                fr = sigcaught;
        }
-       if (dest) {
-               fprintf(dest, "\n");
-       } else {
-               scr_printf("\n");
-               /* scr_flush(); */
-               ++lines_printed;
-               lines_printed = checkpagin(lines_printed, pagin, screenheight);
+       if (!final_line_is_blank) {
+               if (dest) {
+                       fprintf(dest, "\n");
+               }
+               else {
+                       scr_printf("\n");
+                       ++lines_printed;
+                       lines_printed = checkpagin(lines_printed, pagin, screenheight);
+               }
+       }
+
+       /* Enumerate any attachments */
+       if ( (pagin == 1) && (can_do_msg4) && (message->attachments) ) {
+               struct parts *ptr;
+
+               for (ptr = message->attachments; ptr; ptr = ptr->next) {
+                       if ( (!strcasecmp(ptr->disposition, "attachment"))
+                          || (!strcasecmp(ptr->disposition, "inline"))) {
+                               color(DIM_WHITE);
+                               scr_printf("Part ");
+                               color(BRIGHT_MAGENTA);
+                               scr_printf("%s", ptr->number);
+                               color(DIM_WHITE);
+                               scr_printf(": ");
+                               color(BRIGHT_CYAN);
+                               scr_printf("%s", ptr->filename);
+                               color(DIM_WHITE);
+                               scr_printf(" (%s, %ld bytes)\n", ptr->mimetype, ptr->length);
+                       }
+               }
        }
 
+       /* Now we're done */
+       free(message->text);
+       free(message);
+
        if (pagin == 1 && !dest)
                color(DIM_WHITE);
        sttybbs(0);
@@ -622,12 +715,12 @@ void replace_string(char *filename, long int startpos)
        long msglen = 0L;
 
        scr_printf("Enter text to be replaced:\n: ");
-       getline(srch_str, 128);
+       getline(srch_str, (sizeof(srch_str)-1) );
        if (strlen(srch_str) == 0)
                return;
 
        scr_printf("Enter text to replace it with:\n: ");
-       getline(rplc_str, 128);
+       getline(rplc_str, (sizeof(rplc_str)-1) );
 
        fp = fopen(filename, "r+");
        if (fp == NULL)
@@ -642,7 +735,7 @@ void replace_string(char *filename, long int startpos)
                buf[strlen(buf)] = a;
                if (strlen(buf) >= strlen(srch_str)) {
                        ptr = (&buf[strlen(buf) - strlen(srch_str)]);
-                       if (!strncasecmp(ptr, srch_str, strlen(srch_str))) {
+                       if (!strncmp(ptr, srch_str, strlen(srch_str))) {
                                strcpy(ptr, rplc_str);
                                ++substitutions;
                        }
@@ -668,9 +761,10 @@ void replace_string(char *filename, long int startpos)
 /*
  * Function to begin composing a new message
  */
-int client_make_message(char *filename,        /* temporary file name */
+int client_make_message(CtdlIPC *ipc,
+               char *filename,         /* temporary file name */
                char *recipient,        /* NULL if it's not mail */
-               int anon_type,          /* see MES_ types in header file */
+               int is_anonymous,
                int format_type,
                int mode,
                char *subject)          /* buffer to store subject line */
@@ -680,26 +774,37 @@ int client_make_message(char *filename,   /* temporary file name */
        long beg;
        char datestr[SIZ];
        char header[SIZ];
+       char *editor_path = NULL;
        int cksum = 0;
 
-       if (mode == 2)
-               if (strlen(editor_path) == 0) {
+       if (mode >= 2)
+       {
+               if((mode-2) < MAX_EDITORS && strlen(editor_paths[mode-2]) > 0) {
+                       editor_path = editor_paths[mode-2];
+               } else if (strlen(editor_paths[0]) > 0) {
+                       editor_path = editor_paths[0];
+               } else {
                        err_printf
                            ("*** No editor available, using built-in editor\n");
                        mode = 0;
                }
+       }
 
-       fmt_date(datestr, time(NULL), 0);
+       fmt_date(datestr, sizeof datestr, time(NULL), 0);
        header[0] = 0;
 
        if (room_flags & QR_ANONONLY && !recipient) {
-               sprintf(&header[strlen(header)], " ****");
+               snprintf(header, sizeof header, " ****");
        }
        else {
-               sprintf(&header[strlen(header)],
-                       " %s from %s", datestr, fullname);
+               snprintf(header, sizeof header,
+                       " %s from %s",
+                       datestr,
+                       (is_anonymous ? "[anonymous]" : fullname)
+                       );
                if (strlen(recipient) > 0) {
-                       sprintf(&header[strlen(header)],
+                       size_t tmp = strlen(header);
+                       snprintf(&header[tmp], sizeof header - tmp,
                                " to %s", recipient);
                }
        }
@@ -717,7 +822,7 @@ int client_make_message(char *filename,     /* temporary file name */
        if (mode == 0) {
                fp = fopen(filename, "r");
                if (fp != NULL) {
-                       fmout(screenwidth, fp, NULL, 0, screenheight, 0, 0);
+                       fmout(screenwidth, fp, NULL, NULL, 0, screenheight, 0, 0);
                        beg = ftell(fp);
                        fclose(fp);
                } else {
@@ -742,7 +847,7 @@ ME1:        switch (mode) {
                                filename, strerror(errno));
                        return(1);
                }
-               citedit(fp);
+               citedit(ipc, fp);
                fclose(fp);
                goto MECR;
 
@@ -771,14 +876,18 @@ ME1:      switch (mode) {
                break;
 
        case 2:
+       default:        /* allow 2+ modes */
                e_ex_code = 1;  /* start with a failed exit code */
                editor_pid = fork();
                cksum = file_checksum(filename);
+               screen_reset();
+               sttybbs(SB_RESTORE);
                if (editor_pid == 0) {
+                       char tmp[SIZ];
+
                        chmod(filename, 0600);
-                       screen_reset();
-                       sttybbs(SB_RESTORE);
-                       setenv("WINDOW_TITLE", header, 1);
+                       snprintf(tmp, sizeof tmp, "WINDOW_TITLE=%s", header);
+                       putenv(tmp);
                        execlp(editor_path, editor_path, filename, NULL);
                        exit(1);
                }
@@ -793,7 +902,7 @@ ME1:        switch (mode) {
                break;
        }
 
-MECR:  if (mode == 2) {
+MECR:  if (mode >= 2) {
                if (file_checksum(filename) == cksum) {
                        err_printf("*** Aborted message.\n");
                        e_ex_code = 1;
@@ -824,7 +933,7 @@ MECR:       if (mode == 2) {
                }
                fp = fopen(filename, "r");
                if (fp != NULL) {
-                       fmout(screenwidth, fp, NULL,
+                       fmout(screenwidth, fp, NULL, NULL,
                              ((userflags & US_PAGINATOR) ? 1 : 0),
                              screenheight, 0, 0);
                        beg = ftell(fp);
@@ -856,13 +965,15 @@ MEABT2:   unlink(filename);
        return (2);
 }
 
+
+#if 0
 /*
  * Transmit message text to the server.
  * 
  * This loop also implements a "tick" counter that displays the progress, if
  * we're sending something that will take a long time to transmit.
  */
-void transmit_message(FILE *fp)
+void transmit_message(CtdlIPC *ipc, FILE *fp)
 {
        char buf[SIZ];
        int ch, a;
@@ -878,7 +989,7 @@ void transmit_message(FILE *fp)
                if (ch == 10) {
                        if (!strcmp(buf, "000"))
                                strcpy(buf, ">000");
-                       serv_puts(buf);
+                       CtdlIPC_putline(ipc, buf);
                        strcpy(buf, "");
                } else {
                        a = strlen(buf);
@@ -888,13 +999,13 @@ void transmit_message(FILE *fp)
                                buf[a] = 0;
                                if (!strcmp(buf, "000"))
                                        strcpy(buf, ">000");
-                               serv_puts(buf);
+                               CtdlIPC_putline(ipc, buf);
                                strcpy(buf, "");
                        }
                        if (strlen(buf) > 250) {
                                if (!strcmp(buf, "000"))
                                        strcpy(buf, ">000");
-                               serv_puts(buf);
+                               CtdlIPC_putline(ipc, buf);
                                strcpy(buf, "");
                        }
                }
@@ -907,10 +1018,23 @@ void transmit_message(FILE *fp)
                }
 
        }
-       serv_puts(buf);
+       CtdlIPC_putline(ipc, buf);
        scr_printf("                \r");
        scr_flush();
 }
+#endif
+
+
+/*
+ * Make sure there's room in msg_arr[] for at least one more.
+ */
+void check_msg_arr_size(void) {
+       if ((num_msgs + 1) > msg_arr_size) {
+               msg_arr_size += 512;
+               msg_arr = realloc(msg_arr,
+                       ((sizeof(long)) * msg_arr_size) );
+       }
+}
 
 
 
@@ -918,17 +1042,20 @@ void transmit_message(FILE *fp)
  * entmsg()  -  edit and create a message
  *              returns 0 if message was saved
  */
-int entmsg(int is_reply,       /* nonzero if this was a <R>eply command */
-               int c)          /* */
+int entmsg(CtdlIPC *ipc,
+               int is_reply,   /* nonzero if this was a <R>eply command */
+               int c)          /* mode */
 {
-       char buf[300];
-       char cmd[SIZ];
+       char buf[SIZ];
        int a, b;
        int need_recp = 0;
        int mode;
-       long highmsg;
+       long highmsg = 0L;
        FILE *fp;
        char subject[SIZ];
+       struct ctdlipcmessage message;
+       unsigned long *msgarr = NULL;
+       int r;                  /* IPC response code */
 
        if (c > 0)
                mode = 1;
@@ -941,12 +1068,16 @@ int entmsg(int is_reply, /* nonzero if this was a <R>eply command */
         * First, check to see if we have permission to enter a message in
         * this room.  The server will return an error code if we can't.
         */
-       sprintf(cmd, "ENT0 0||0|%d", mode);
-       serv_puts(cmd);
-       serv_gets(cmd);
-
-       if ((strncmp(cmd, "570", 3)) && (strncmp(cmd, "200", 3))) {
-               scr_printf("%s\n", &cmd[4]);
+       strcpy(message.recipient, "");
+       strcpy(message.author, "");
+       strcpy(message.subject, "");
+       message.text = message.author;  /* point to "", changes later */
+       message.anonymous = 0;
+       message.type = mode;
+       r = CtdlIPCPostMessage(ipc, 0, &message, buf);
+
+       if (r / 100 != 2 && r / 10 != 57) {
+               scr_printf("%s\n", buf);
                return (1);
        }
 
@@ -954,12 +1085,12 @@ int entmsg(int is_reply, /* nonzero if this was a <R>eply command */
         * in this room, but a recipient needs to be specified.
         */
        need_recp = 0;
-       if (!strncmp(cmd, "570", 3))
+       if (r / 10 == 57)
                need_recp = 1;
 
        /* If the user is a dumbass, tell them how to type. */
        if ((userflags & US_EXPERT) == 0) {
-               formout("entermsg");
+               formout(ipc, "entermsg");
        }
 
        /* Handle the selection of a recipient, if necessary. */
@@ -977,36 +1108,34 @@ int entmsg(int is_reply, /* nonzero if this was a <R>eply command */
                } else
                        strcpy(buf, "sysop");
        }
+       strcpy(message.recipient, buf);
 
        if (is_reply) {
                if (strlen(reply_subject) > 0) {
                        if (!strncasecmp(reply_subject,
                           "Re: ", 3)) {
-                               strcpy(subject, reply_subject);
+                               strcpy(message.subject, reply_subject);
                        }
                        else {
-                               snprintf(subject,
-                                       sizeof subject,
+                               snprintf(message.subject,
+                                       sizeof message.subject,
                                        "Re: %s",
                                        reply_subject);
                        }
                }
        }
 
-       b = 0;
        if (room_flags & QR_ANONOPT) {
                scr_printf("Anonymous (Y/N)? ");
                if (yesno() == 1)
-                       b = 1;
+                       message.anonymous = 1;
        }
 
        /* If it's mail, we've got to check the validity of the recipient... */
-       if (strlen(buf) > 0) {
-               sprintf(cmd, "ENT0 0|%s|%d|%d|%s", buf, b, mode, subject);
-               serv_puts(cmd);
-               serv_gets(cmd);
-               if (cmd[0] != '2') {
-                       scr_printf("%s\n", &cmd[4]);
+       if (strlen(message.recipient) > 0) {
+               r = CtdlIPCPostMessage(ipc, 0, &message, buf);
+               if (r / 100 != 2) {
+                       scr_printf("%s\n", buf);
                        return (1);
                }
        }
@@ -1015,18 +1144,16 @@ int entmsg(int is_reply,        /* nonzero if this was a <R>eply command */
         * tell upon saving whether someone else has posted too.
         */
        num_msgs = 0;
-       serv_puts("MSGS LAST|1");
-       serv_gets(cmd);
-       if (cmd[0] != '1') {
-               scr_printf("%s\n", &cmd[5]);
+       r = CtdlIPCGetMessages(ipc, LastMessages, 1, NULL, &msgarr, buf);
+       if (r / 100 != 1) {
+               scr_printf("%s\n", buf);
        } else {
-               while (serv_gets(cmd), strcmp(cmd, "000")) {
-                       msg_arr[num_msgs++] = atol(cmd);
-               }
+               for (num_msgs = 0; msgarr[num_msgs]; num_msgs++)
+                       ;
        }
 
        /* Now compose the message... */
-       if (client_make_message(temp, buf, b, 0, c, subject) != 0) {
+       if (client_make_message(ipc, temp, message.recipient, message.anonymous, 0, c, message.subject) != 0) {
                return (2);
        }
 
@@ -1036,49 +1163,46 @@ int entmsg(int is_reply,        /* nonzero if this was a <R>eply command */
        /* Yes, unlink it now, so it doesn't stick around if we crash */
        unlink(temp);
 
-       if (fp == NULL) {
+       if (!fp || !(message.text = load_message_from_file(fp))) {
                err_printf("*** Internal error while trying to save message!\n"
-                       "    %s: %s\n",
+                       "%s: %s\n",
                        temp, strerror(errno));
                return(errno);
        }
 
+       if (fp) fclose(fp);
+
        /* Transmit message to the server */
-       sprintf(cmd, "ENT0 1|%s|%d|%d|%s|", buf, b, mode, subject);
-       serv_puts(cmd);
-       serv_gets(cmd);
-       if (cmd[0] != '4') {
-               scr_printf("%s\n", &cmd[4]);
+       r = CtdlIPCPostMessage(ipc, 1, &message, buf);
+       if (r / 100 != 4) {
+               scr_printf("%s\n", buf);
                return (1);
        }
 
-       transmit_message(fp);
-       serv_puts("000");
-
-       fclose(fp);
+       if (num_msgs >= 1) highmsg = msgarr[num_msgs - 1];
 
-       highmsg = msg_arr[num_msgs - 1];
-       num_msgs = 0;
-       serv_puts("MSGS NEW");
-       serv_gets(cmd);
-       if (cmd[0] != '1') {
-               scr_printf("%s\n", &cmd[5]);
+       if (msgarr) free(msgarr);
+       msgarr = NULL;
+       r = CtdlIPCGetMessages(ipc, NewMessages, 0, NULL, &msgarr, buf);
+       if (r / 100 != 1) {
+               scr_printf("%s\n", buf);
        } else {
-               while (serv_gets(cmd), strcmp(cmd, "000")) {
-                       msg_arr[num_msgs++] = atol(cmd);
-               }
+               for (num_msgs = 0; msgarr[num_msgs]; num_msgs++)
+                       ;
        }
 
        /* get new highest message number in room to set lrp for goto... */
-       maxmsgnum = msg_arr[num_msgs - 1];
+       maxmsgnum = msgarr[num_msgs - 1];
 
        /* now see if anyone else has posted in here */
        b = (-1);
        for (a = 0; a < num_msgs; ++a) {
-               if (msg_arr[a] > highmsg) {
+               if (msgarr[a] > highmsg) {
                        ++b;
                }
        }
+       if (msgarr) free(msgarr);
+       msgarr = NULL;
 
        /* In the Mail> room, this algorithm always counts one message
         * higher than in public rooms, so we decrement it by one.
@@ -1145,7 +1269,7 @@ void process_quote(void)
 /*
  * List the URL's which were embedded in the previous message
  */
-void list_urls()
+void list_urls(CtdlIPC *ipc)
 {
        int i;
        char cmd[SIZ];
@@ -1162,7 +1286,7 @@ void list_urls()
        if ((i = num_urls) != 1)
                i = intprompt("Display which one", 1, 1, num_urls);
 
-       sprintf(cmd, rc_url_cmd, urls[i - 1]);
+       snprintf(cmd, sizeof cmd, rc_url_cmd, urls[i - 1]);
        system(cmd);
        scr_printf("\n");
 }
@@ -1170,9 +1294,9 @@ void list_urls()
 /*
  * Read the messages in the current room
  */
-void readmsgs(
-       int c,          /* 0=Read all  1=Read new  2=Read old 3=Read last q */
-       int rdir,       /* 1=Forward (-1)=Reverse */
+void readmsgs(CtdlIPC *ipc,
+       enum MessageList c,             /* see listing in citadel_ipc.h */
+       enum MessageDirection rdir,     /* 1=Forward (-1)=Reverse */
        int q           /* Number of msgs to read (if c==3) */
 ) {
        int a, b, e, f, g, start;
@@ -1185,52 +1309,36 @@ void readmsgs(
        char pagin;
        char cmd[SIZ];
        char targ[ROOMNAMELEN];
-       char filename[SIZ];
+       char filename[PATH_MAX];
+       char save_to[PATH_MAX];
+       void *attachment = NULL;        /* Downloaded attachment */
        FILE *dest = NULL;      /* Alternate destination other than screen */
+       int r;                          /* IPC response code */
 
        if (c < 0)
-               b = (MAXMSGS - 1);
+               b = (num_msgs - 1);
        else
                b = 0;
 
        strcpy(prtfile, tmpnam(NULL));
 
-       num_msgs = 0;
-       strcpy(cmd, "MSGS ");
-       switch (c) {
-       case 0:
-               strcat(cmd, "ALL");
-               break;
-       case 1:
-               strcat(cmd, "NEW");
-               break;
-       case 2:
-               strcat(cmd, "OLD");
-               break;
-       case 3:
-               sprintf(&cmd[strlen(cmd)], "LAST|%d", q);
-               break;
+       if (msg_arr) {
+               free(msg_arr);
+               msg_arr = NULL;
        }
-       serv_puts(cmd);
-       serv_gets(cmd);
-       if (cmd[0] != '1') {
-               scr_printf("%s\n", &cmd[5]);
+       r = CtdlIPCGetMessages(ipc, c, q, NULL, &msg_arr, cmd);
+       if (r / 100 != 1) {
+               scr_printf("%s\n", cmd);
        } else {
-               while (serv_gets(cmd), strcmp(cmd, "000")) {
-                       if (num_msgs == MAXMSGS) {
-                               memcpy(&msg_arr[0], &msg_arr[1],
-                                      (sizeof(long) * (MAXMSGS - 1)));
-                               --num_msgs;
-                       }
-                       msg_arr[num_msgs++] = atol(cmd);
-               }
+               for (num_msgs = 0; msg_arr[num_msgs]; num_msgs++)
+                       ;
        }
 
-       if (num_msgs == 0) {
-               if (c == 3) return;
+       if (num_msgs == 0) {    /* TODO look at this later */
+               if (c == LastMessages) return;
                scr_printf("*** There are no ");
-               if (c == 1) scr_printf("new ");
-               if (c == 2) scr_printf("old ");
+               if (c == NewMessages) scr_printf("new ");
+               if (c == OldMessages) scr_printf("old ");
                scr_printf("messages in this room.\n");
                return;
        }
@@ -1242,7 +1350,7 @@ void readmsgs(
        for (a = start; ((a < num_msgs) && (a >= 0)); a = a + rdir) {
                while (msg_arr[a] == 0L) {
                        a = a + rdir;
-                       if ((a == MAXMSGS) || (a == (-1)))
+                       if ((a == num_msgs) || (a == (-1)))
                                return;
                }
 
@@ -1263,7 +1371,7 @@ RAGAIN:           pagin = ((arcflag == 0)
                }
 
                /* now read the message... */
-               e = read_message(msg_arr[a], pagin, dest);
+               e = read_message(ipc, msg_arr[a], pagin, dest);
 
                /* ...and set the screenwidth back if we have to */
                if ((quotflag) || (arcflag)) {
@@ -1303,9 +1411,7 @@ RMSGREAD: scr_flush();
                if (rc_alt_semantics && c == 1) {
                        char buf[SIZ];
 
-                       snprintf(buf, sizeof(buf), "SEEN %ld", msg_arr[a]);
-                       serv_puts(buf);
-                       serv_gets(buf); /* Don't need to check this? */
+                       r = CtdlIPCSetMessageSeen(ipc, msg_arr[a], 1, buf);
                }
                if (e == 3)
                        return;
@@ -1330,7 +1436,7 @@ RMSGREAD: scr_flush();
                                lines_printed = 2;
                                e = (inkey() & 127);
                                e = tolower(e);
-/* return key same as <N> */ if (e == 13)
+/* return key same as <N> */ if (e == 10)
                                        e = 'n';
 /* space key same as <N> */ if (e == 32)
                                        e = 'n';
@@ -1465,59 +1571,60 @@ RMSGREAD:       scr_flush();
                        newprompt("Enter target room: ",
                                  targ, ROOMNAMELEN - 1);
                        if (strlen(targ) > 0) {
-                               sprintf(cmd, "MOVE %ld|%s|%d",
-                                       msg_arr[a], targ,
-                                       (e == 'c' ? 1 : 0));
-                               serv_puts(cmd);
-                               serv_gets(cmd);
-                               scr_printf("%s\n", &cmd[4]);
-                               if (cmd[0] == '2')
+                               r = CtdlIPCMoveMessage(ipc, (e == 'c' ? 1 : 0),
+                                                      msg_arr[a], targ, cmd);
+                               scr_printf("%s\n", cmd);
+                               if (r / 100 == 2)
                                        msg_arr[a] = 0L;
                        } else {
                                goto RMSGREAD;
                        }
-                       if (cmd[0] != '2')
-                               goto RMSGREAD;
+                       if (r / 100 != 2)       /* r will be init'ed, FIXME */
+                               goto RMSGREAD;  /* the logic here sucks */
                        break;
                case 'f':
                        newprompt("Which section? ", filename,
                                  ((sizeof filename) - 1));
-                       snprintf(cmd, sizeof cmd,
-                                "OPNA %ld|%s", msg_arr[a], filename);
-                       serv_puts(cmd);
-                       serv_gets(cmd);
-                       if (cmd[0] == '2') {
-                               extract(filename, &cmd[4], 2);
-                               download_to_local_disk(filename,
-                                                      extract_int(&cmd[4],
-                                                                  0));
+                       r = CtdlIPCAttachmentDownload(ipc, msg_arr[a],
+                                       filename, &attachment, progress, cmd);
+                       if (r / 100 != 2) {
+                               scr_printf("%s\n", cmd);
                        } else {
-                               scr_printf("%s\n", &cmd[4]);
+                               extract(filename, cmd, 2);
+                               /*
+                                * Part 1 won't have a filename; use the
+                                * subject of the message instead. IO
+                                */
+                               if (!strlen(filename))
+                                       strcpy(filename, reply_subject);
+                               destination_directory(save_to, filename);
+                               save_buffer(attachment,
+                                               extract_unsigned_long(cmd, 0),
+                                               save_to);
                        }
+                       if (attachment) free(attachment);
                        goto RMSGREAD;
                case 'd':
                        scr_printf("*** Delete this message? ");
                        if (yesno() == 1) {
-                               sprintf(cmd, "DELE %ld", msg_arr[a]);
-                               serv_puts(cmd);
-                               serv_gets(cmd);
-                               scr_printf("%s\n", &cmd[4]);
-                               if (cmd[0] == '2')
+                               r = CtdlIPCDeleteMessage(ipc, msg_arr[a], cmd);
+                               scr_printf("%s\n", cmd);
+                               if (r / 100 == 2)
                                        msg_arr[a] = 0L;
                        } else {
                                goto RMSGREAD;
                        }
                        break;
                case 'h':
-                       read_message(msg_arr[a], READ_HEADER, NULL);
+                       read_message(ipc, msg_arr[a], READ_HEADER, NULL);
                        goto RMSGREAD;
                case 'r':
                        savedpos = num_msgs;
-                       entmsg(1, (DEFAULT_ENTRY == 46 ? 2 : 0));
+                       entmsg(ipc, 1, (rc_reply_extedit ? 2 : 0));
                        num_msgs = savedpos;
                        goto RMSGREAD;
                case 'u':
-                       list_urls();
+                       list_urls(ipc);
                        goto RMSGREAD;
            case 'y':
           { /* hack hack hack */
@@ -1526,15 +1633,16 @@ RMSGREAD:       scr_flush();
             int lasta = a;
             for (finda = a; ((finda < num_msgs) && (finda >= 0)); finda += rdir)
               {
-                /* this is repetitivly dumb, but that's what computers are for.
+                /* This is repetitively dumb, but that's what computers are for.
                    We have to load up messages until we find one by us */
                 char buf[SIZ];
                 int founda = 0;
                 
-                       sprintf(buf, "MSG0 %ld|%d", msg_arr[finda], 1); /* read the header so we can get 'from=' */
-               serv_puts(buf);
-               serv_gets(buf);
-               while (serv_gets(buf), strcmp(buf, "000")) 
+               /* read the header so we can get 'from=' */
+                       snprintf(buf, sizeof buf, "MSG0 %ld|1", msg_arr[finda]);
+               CtdlIPC_putline(ipc, buf);
+               CtdlIPC_getline(ipc, buf);
+               while (CtdlIPC_getline(ipc, buf), strcmp(buf, "000")) 
                   {
                        if ((!strncasecmp(buf, "from=", 5)) && (finda != a)) /* Skip current message. */
                      { 
@@ -1561,16 +1669,16 @@ RMSGREAD:       scr_flush();
 /*
  * View and edit a system message
  */
-void edit_system_message(char *which_message)
+void edit_system_message(CtdlIPC *ipc, char *which_message)
 {
-       char desc[64];
-       char read_cmd[64];
-       char write_cmd[64];
-
-       sprintf(desc, "system message '%s'", which_message);
-       sprintf(read_cmd, "MESG %s", which_message);
-       sprintf(write_cmd, "EMSG %s", which_message);
-       do_edit(desc, read_cmd, "NOOP", write_cmd);
+       char desc[SIZ];
+       char read_cmd[SIZ];
+       char write_cmd[SIZ];
+
+       snprintf(desc, sizeof desc, "system message '%s'", which_message);
+       snprintf(read_cmd, sizeof read_cmd, "MESG %s", which_message);
+       snprintf(write_cmd, sizeof write_cmd, "EMSG %s", which_message);
+       do_edit(ipc, desc, read_cmd, "NOOP", write_cmd);
 }
 
 
@@ -1579,9 +1687,11 @@ void edit_system_message(char *which_message)
 /*
  * Verify the message base
  */
-void check_message_base(void)
+void check_message_base(CtdlIPC *ipc)
 {
        char buf[SIZ];
+       char *transcript = NULL;
+       int r;          /* IPC response code */
 
        scr_printf
            ("Please read the documentation before running this command.\n"
@@ -1589,14 +1699,56 @@ void check_message_base(void)
        if (yesno() == 0)
                return;
 
-       serv_puts("FSCK");
-       serv_gets(buf);
-       if (buf[0] != '1') {
-               scr_printf("%s\n", &buf[4]);
+       r = CtdlIPCMessageBaseCheck(ipc, &transcript, buf);
+       if (r / 100 != 1) {
+               scr_printf("%s\n", buf);
                return;
        }
 
-       while (serv_gets(buf), strcmp(buf, "000")) {
-               scr_printf("%s\n", buf);
+       while (transcript && strlen(transcript)) {
+               lines_printed = 1;
+               extract_token(buf, transcript, 0, '\n');
+               remove_token(transcript, 0, '\n');
+               pprintf("%s\n", buf);
+       }
+       if (transcript) free(transcript);
+       return;
+}
+
+
+/*
+ * Loads the contents of a file into memory.  Caller must free the allocated
+ * memory.
+ */
+char *load_message_from_file(FILE *src)
+{
+       size_t i;
+       size_t got = 0;
+       char *dest = NULL;
+
+       fseek(src, 0, SEEK_END);
+       i = ftell(src);
+       rewind(src);
+
+       dest = (char *)calloc(1, i + 1);
+       if (!dest)
+               return NULL;
+
+       while (got < i) {
+               size_t g;
+
+               g = fread(dest + got, 1, i - got, src);
+               got += g;
+               if (g < i - got) {
+                       /* Interrupted system call, keep going */
+                       if (errno == EINTR)
+                               continue;
+                       /* At this point we have either EOF or error */
+                       i = got;
+                       break;
+               }
+               dest[i] = 0;
        }
+
+       return dest;
 }