Citadel Client: move into its own directory
[citadel.git] / textclient / src / messages.c
diff --git a/textclient/src/messages.c b/textclient/src/messages.c
new file mode 100644 (file)
index 0000000..6cc8f6a
--- /dev/null
@@ -0,0 +1,1981 @@
+/*
+ * Text client functions for reading and writing of messages
+ *
+ * Copyright (c) 1987-2012 by the citadel.org team
+ *
+ * This program is open source software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 3.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include "sysdep.h"
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <ctype.h>
+#include <string.h>
+#include <signal.h>
+#include <errno.h>
+#include <limits.h>
+#include <sys/wait.h>
+#include <sys/stat.h>
+
+#if TIME_WITH_SYS_TIME
+# include <sys/time.h>
+# include <time.h>
+#else
+# if HAVE_SYS_TIME_H
+#  include <sys/time.h>
+# else
+#  include <time.h>
+# endif
+#endif
+
+#ifdef HAVE_PTHREAD_H
+#include <pthread.h>
+#endif
+
+#include <stdarg.h>
+#include <libcitadel.h>
+#include "citadel.h"
+#include "citadel_ipc.h"
+#include "citadel_decls.h"
+#include "messages.h"
+#include "commands.h"
+#include "tuiconfig.h"
+#include "rooms.h"
+#ifndef HAVE_SNPRINTF
+#include "snprintf.h"
+#endif
+#include "screen.h"
+
+#define MAXWORDBUF SIZ
+#define NO_REPLY_TO    "nobody ... xxxxxx"
+
+char reply_to[SIZ];
+char reply_subject[SIZ];
+char reply_references[SIZ];
+char reply_inreplyto[SIZ];
+
+struct cittext {
+       struct cittext *next;
+       char text[MAXWORDBUF];
+};
+
+void stty_ctdl(int cmd);
+int haschar(const char *st, int ch);
+int file_checksum(char *filename);
+void progress(CtdlIPC* ipc, unsigned long curr, unsigned long cmax);
+
+unsigned long *msg_arr = NULL;
+int msg_arr_size = 0;
+int num_msgs;
+extern char room_name[];
+extern char tempdir[];
+extern unsigned room_flags;
+extern unsigned room_flags2;
+extern int entmsg_ok;
+extern long highest_msg_read;
+extern char temp[];
+extern char temp2[];
+extern int screenwidth;
+extern int screenheight;
+extern long maxmsgnum;
+extern char is_mail;
+extern char is_aide;
+extern char is_room_aide;
+extern char fullname[];
+extern char axlevel;
+extern unsigned userflags;
+extern char sigcaught;
+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];
+char imagecmd[SIZ];
+int has_images = 0;                            /* Current msg has images */
+struct parts *last_message_parts = NULL;       /* Parts from last msg */
+
+
+
+void ka_sigcatch(int signum)
+{
+       alarm(S_KEEPALIVE);
+       signal(SIGALRM, ka_sigcatch);
+       CtdlIPCNoop(ipc_for_signal_handlers);
+}
+
+
+/*
+ * server keep-alive version of wait() (needed for external editor)
+ */
+pid_t ka_wait(int *kstatus)
+{
+       pid_t p;
+
+       alarm(S_KEEPALIVE);
+       signal(SIGALRM, ka_sigcatch);
+       do {
+               errno = 0;
+               p = wait(kstatus);
+       } while (errno == EINTR);
+       signal(SIGALRM, SIG_IGN);
+       alarm(0);
+       return (p);
+}
+
+
+/*
+ * version of system() that uses ka_wait()
+ */
+int ka_system(char *shc)
+{
+       pid_t childpid;
+       pid_t waitpid;
+       int retcode;
+
+       childpid = fork();
+       if (childpid < 0) {
+               color(BRIGHT_RED);
+               perror("Cannot fork");
+               color(DIM_WHITE);
+               return ((pid_t) childpid);
+       }
+
+       if (childpid == 0) {
+               execlp("/bin/sh", "sh", "-c", shc, NULL);
+               exit(127);
+       }
+
+       if (childpid > 0) {
+               do {
+                       waitpid = ka_wait(&retcode);
+               } while (waitpid != childpid);
+               return (retcode);
+       }
+
+       return (-1);
+}
+
+
+
+/*
+ * add a newline to the buffer...
+ */
+void add_newline(struct cittext *textlist)
+{
+       struct cittext *ptr;
+
+       ptr = textlist;
+       while (ptr->next != NULL)
+               ptr = ptr->next;
+
+       while (ptr->text[strlen(ptr->text) - 1] == 32)
+               ptr->text[strlen(ptr->text) - 1] = 0;
+       /* strcat(ptr->text,"\n"); */
+
+       ptr->next = (struct cittext *)
+           malloc(sizeof(struct cittext));
+       ptr = ptr->next;
+       ptr->next = NULL;
+       strcpy(ptr->text, "");
+}
+
+
+/*
+ * add a word to the buffer...
+ */
+void add_word(struct cittext *textlist, char *wordbuf)
+{
+       struct cittext *ptr;
+
+       ptr = textlist;
+       while (ptr->next != NULL)
+               ptr = ptr->next;
+
+       if (3 + strlen(ptr->text) + strlen(wordbuf) > screenwidth) {
+               ptr->next = (struct cittext *)
+                   malloc(sizeof(struct cittext));
+               ptr = ptr->next;
+               ptr->next = NULL;
+               strcpy(ptr->text, "");
+       }
+
+       strcat(ptr->text, wordbuf);
+       strcat(ptr->text, " ");
+}
+
+
+/*
+ * begin editing of an opened file pointed to by fp
+ */
+void citedit(FILE *fp)
+{
+       int a, prev, finished, b, last_space;
+       int appending = 0;
+       struct cittext *textlist = NULL;
+       struct cittext *ptr;
+       char wordbuf[MAXWORDBUF];
+       int rv = 0;
+
+       /* first, load the text into the buffer */
+       fseek(fp, 0L, 0);
+       textlist = (struct cittext *) malloc(sizeof(struct cittext));
+       textlist->next = NULL;
+       strcpy(textlist->text, "");
+
+       strcpy(wordbuf, "");
+       prev = (-1);
+       while (a = getc(fp), a >= 0) {
+               appending = 1;
+               if ((a == 32) || (a == 9) || (a == 13) || (a == 10)) {
+                       add_word(textlist, wordbuf);
+                       strcpy(wordbuf, "");
+                       if ((prev == 13) || (prev == 10)) {
+                               add_word(textlist, "\n");
+                               add_newline(textlist);
+                               add_word(textlist, "");
+                       }
+               } else {
+                       wordbuf[strlen(wordbuf) + 1] = 0;
+                       wordbuf[strlen(wordbuf)] = a;
+               }
+               if (strlen(wordbuf) + 3 > screenwidth) {
+                       add_word(textlist, wordbuf);
+                       strcpy(wordbuf, "");
+               }
+               prev = a;
+       }
+
+       /* get text */
+       finished = 0;
+       prev = (appending ? 13 : (-1));
+       strcpy(wordbuf, "");
+       async_ka_start();
+       do {
+               a = inkey();
+               if (a == 10)
+                       a = 13;
+               if (a == 9)
+                       a = 32;
+               if (a == 127)
+                       a = 8;
+
+               if ((a != 32) && (prev == 13)) {
+                       add_word(textlist, "\n");
+                       scr_printf(" ");
+               }
+
+               if ((a == 32) && (prev == 13)) {
+                       add_word(textlist, "\n");
+                       add_newline(textlist);
+               }
+
+               if (a == 8) {
+                       if (!IsEmptyStr(wordbuf)) {
+                               wordbuf[strlen(wordbuf) - 1] = 0;
+                               scr_putc(8);
+                               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 (!IsEmptyStr(wordbuf) && wordbuf[strlen(wordbuf) - 1] != ' ');
+               } else if (a == 13) {
+                       scr_printf("\n");
+                       if (IsEmptyStr(wordbuf))
+                               finished = 1;
+                       else {
+                               for (b = 0; b < strlen(wordbuf); ++b)
+                                       if (wordbuf[b] == 32) {
+                                               wordbuf[b] = 0;
+                                               add_word(textlist,
+                                                        wordbuf);
+                                               strcpy(wordbuf,
+                                                      &wordbuf[b + 1]);
+                                               b = 0;
+                                       }
+                               add_word(textlist, wordbuf);
+                               strcpy(wordbuf, "");
+                       }
+               } else {
+                       scr_putc(a);
+                       wordbuf[strlen(wordbuf) + 1] = 0;
+                       wordbuf[strlen(wordbuf)] = a;
+               }
+               if ((strlen(wordbuf) + 3) > screenwidth) {
+                       last_space = (-1);
+                       for (b = 0; b < strlen(wordbuf); ++b)
+                               if (wordbuf[b] == 32)
+                                       last_space = b;
+                       if (last_space >= 0) {
+                               for (b = 0; b < strlen(wordbuf); ++b)
+                                       if (wordbuf[b] == 32) {
+                                               wordbuf[b] = 0;
+                                               add_word(textlist,
+                                                        wordbuf);
+                                               strcpy(wordbuf,
+                                                      &wordbuf[b + 1]);
+                                               b = 0;
+                                       }
+                               for (b = 0; b < strlen(wordbuf); ++b) {
+                                       scr_putc(8);
+                                       scr_putc(32);
+                                       scr_putc(8);
+                               }
+                               scr_printf("\n%s", wordbuf);
+                       } else {
+                               add_word(textlist, wordbuf);
+                               strcpy(wordbuf, "");
+                               scr_printf("\n");
+                       }
+               }
+               prev = a;
+       } while (finished == 0);
+       async_ka_end();
+
+       /* write the buffer back to disk */
+       fseek(fp, 0L, 0);
+       for (ptr = textlist; ptr != NULL; ptr = ptr->next) {
+               fprintf(fp, "%s", ptr->text);
+       }
+       putc(10, fp);
+       fflush(fp);
+       rv = ftruncate(fileno(fp), ftell(fp));
+       if (rv < 0)
+               scr_printf("failed to set message buffer: %s\n", strerror(errno));
+
+       
+       /* and deallocate the memory we used */
+       while (textlist != NULL) {
+               ptr = textlist->next;
+               free(textlist);
+               textlist = ptr;
+       }
+}
+
+
+/*
+ * Free the struct parts
+ */
+void free_parts(struct parts *p)
+{
+       struct parts *a_part = p;
+
+       while (a_part) {
+               struct parts *q;
+
+               q = a_part;
+               a_part = a_part->next;
+               free(q);
+       }
+}
+
+
+/*
+ * This is a mini RFC2047 decoder.
+ * It only handles strings encoded from UTF-8 as Quoted-printable.
+ */
+void mini_2047_decode(char *s) {
+       if (!s) return;
+
+       char *qstart = strstr(s, "=?UTF-8?Q?");
+       if (!qstart) return;
+
+       char *qend = strstr(s, "?=");
+       if (!qend) return;
+
+       if (qend <= qstart) return;
+
+       strcpy(qstart, &qstart[10]);
+       qend -= 10;
+
+       char *p = qstart;
+       while (p < qend) {
+
+               if (p[0] == '=') {
+
+                       char ch[3];
+                       ch[0] = p[1];
+                       ch[1] = p[2];
+                       ch[2] = p[3];
+                       int c;
+                       sscanf(ch, "%02x", &c);
+                       p[0] = c;
+                       strcpy(&p[1], &p[3]);
+                       qend -= 2;
+               }
+
+               if (p[0] == '_') {
+                       p[0] = ' ';
+               }
+               
+               ++p;
+       }
+
+       strcpy(qend, &qend[2]);
+}
+
+/*
+ * Read a message from the server
+ */
+int read_message(CtdlIPC *ipc,
+       long num,   /* message number */
+       int pagin, /* 0 = normal read, 1 = read with pagination, 2 = header */
+       FILE *dest) /* Destination file, NULL for screen */
+{
+       char buf[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;
+
+       has_images = 0;
+
+       sigcaught = 0;
+       stty_ctdl(1);
+
+       strcpy(reply_to, NO_REPLY_TO);
+       strcpy(reply_subject, "");
+       strcpy(reply_references, "");
+       strcpy(reply_inreplyto, "");
+
+       r = CtdlIPCGetSingleMessage(ipc, num, (pagin == READ_HEADER ? 1 : 0), 4, &message, buf);
+       if (r / 100 != 1) {
+               scr_printf("*** msg #%ld: %d %s\n", num, r, buf);
+               stty_ctdl(0);
+               free(message->text);
+               free_parts(message->attachments);
+               free(message);
+               return (0);
+       }
+
+       if (dest) {
+               fprintf(dest, "\n ");
+       } else {
+               scr_printf("\n");
+               if (pagin != 2)
+                       scr_printf(" ");
+       }
+       if (pagin == 1 && !dest) {
+               color(BRIGHT_CYAN);
+       }
+
+       /* View headers only */
+       if (pagin == 2) {
+               scr_printf("nhdr=%s\nfrom=%s\ntype=%d\nmsgn=%s\n",
+                               message->nhdr ? "yes" : "no",
+                               message->author, message->type,
+                               message->msgid);
+               if (!IsEmptyStr(message->subject)) {
+                       scr_printf("subj=%s\n", message->subject);
+               }
+               if (!IsEmptyStr(message->email)) {
+                       scr_printf("rfca=%s\n", message->email);
+               }
+               scr_printf("hnod=%s\nroom=%s\nnode=%s\ntime=%s",
+                               message->hnod, message->room,
+                               message->node, 
+                               asctime(localtime(&message->time)));
+               if (!IsEmptyStr(message->recipient)) {
+                       scr_printf("rcpt=%s\n", message->recipient);
+               }
+               if (message->attachments) {
+                       struct parts *ptr;
+
+                       for (ptr = message->attachments; ptr; ptr = ptr->next) {
+                               scr_printf("part=%s|%s|%s|%s|%s|%ld\n",
+                                       ptr->name, ptr->filename, ptr->number,
+                                       ptr->disposition, ptr->mimetype,
+                                       ptr->length
+                               );
+                       }
+               }
+               scr_printf("\n");
+               stty_ctdl(0);
+               free(message->text);
+               free_parts(message->attachments);
+               free(message);
+               return (0);
+       }
+
+       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 && !is_room_aide) {
+               if (dest) {
+                       fprintf(dest, " ****");
+               } else {
+                       scr_printf(" ****");
+               }
+       } else {
+               fmt_date(now, sizeof now, message->time, 0);
+               if (dest) {
+                       fprintf(dest, "%s from %s ", now, message->author);
+                       if (!IsEmptyStr(message->email)) {
+                               fprintf(dest, "<%s> ", message->email);
+                       }
+               } else {
+                       color(BRIGHT_CYAN);
+                       scr_printf("%s ", now);
+                       color(DIM_WHITE);
+                       scr_printf("from ");
+                       color(BRIGHT_CYAN);
+                       scr_printf("%s ", message->author);
+                       if (!IsEmptyStr(message->email)) {
+                               color(DIM_WHITE);
+                               scr_printf("<");
+                               color(BRIGHT_BLUE);
+                               scr_printf("%s", message->email);
+                                       color(DIM_WHITE);
+                               scr_printf("> ");
+                       }
+               }
+               if (!IsEmptyStr(message->node)) {
+                       if ((room_flags & QR_NETWORK)
+                           || ((strcasecmp(message->node, ipc->ServInfo.nodename)
+                            && (strcasecmp(message->node, ipc->ServInfo.fqdn))))) {
+                               if (IsEmptyStr(message->email)) {
+                                       if (dest) {
+                                               fprintf(dest, "@%s ", message->node);
+                                       } else {
+                                               color(DIM_WHITE);
+                                               scr_printf("@");
+                                               color(BRIGHT_YELLOW);
+                                               scr_printf("%s ", message->node);
+                                       }
+                               }
+                       }
+               }
+               if (strcasecmp(message->hnod, ipc->ServInfo.humannode)
+                   && (!IsEmptyStr(message->hnod)) && (IsEmptyStr(message->email))) {
+                       if (dest) {
+                               fprintf(dest, "(%s) ", message->hnod);
+                       } else {
+                               color(DIM_WHITE);
+                               scr_printf("(");
+                               color(BRIGHT_WHITE);
+                               scr_printf("%s", message->hnod);
+                               color(DIM_WHITE);
+                               scr_printf(") ");
+                       }
+               }
+               if (strcasecmp(message->room, room_name) && (IsEmptyStr(message->email))) {
+                       if (dest) {
+                               fprintf(dest, "in %s> ", message->room);
+                       } else {
+                               color(DIM_WHITE);
+                               scr_printf("in ");
+                               color(BRIGHT_MAGENTA);
+                               scr_printf("%s> ", message->room);
+                       }
+               }
+               if (!IsEmptyStr(message->recipient)) {
+                       if (dest) {
+                               fprintf(dest, "to %s ", message->recipient);
+                       } else {
+                               color(DIM_WHITE);
+                               scr_printf("to ");
+                               color(BRIGHT_CYAN);
+                               scr_printf("%s ", message->recipient);
+                       }
+               }
+       }
+       
+       if (dest) {
+               fprintf(dest, "\n");
+       } else {
+               scr_printf("\n");
+       }
+
+       /* Set the reply-to address to an Internet e-mail address if possible
+        */
+       if ((message->email != NULL) && (!IsEmptyStr(message->email))) {
+               if (!IsEmptyStr(message->author)) {
+                       snprintf(reply_to, sizeof reply_to, "%s <%s>", message->author, message->email);
+               }
+               else {
+                       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 (message->msgid != NULL) {
+               safestrncpy(reply_inreplyto, message->msgid, sizeof reply_inreplyto);
+       }
+
+       if (message->references != NULL) if (!IsEmptyStr(message->references)) {
+               safestrncpy(reply_references, message->references, sizeof reply_references);
+       }
+
+       if (message->subject != NULL) {
+               safestrncpy(reply_subject, message->subject, sizeof reply_subject);
+               if (!IsEmptyStr(message->subject)) {
+                       if (dest) {
+                               fprintf(dest, "Subject: %s\n", message->subject);
+                       } else {
+                               color(DIM_WHITE);
+                               scr_printf("Subject: ");
+                               color(BRIGHT_CYAN);
+                               mini_2047_decode(message->subject);
+                               scr_printf("%s\n", message->subject);
+                       }
+               }
+       }
+
+       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, 0, 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, message->text, dest, 1);
+       } else {
+               /* 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 (linelen && (lineptr[linelen-1] == '\r')) {
+                                       lineptr[--linelen] = 0;
+                               }
+                               if (dest) {
+                                       fprintf(dest, "%s\n", lineptr);
+                               } else {
+                                       scr_printf("%s\n", lineptr);
+                               }
+                       }
+                       if (lineptr[0] == 0) final_line_is_blank = 1;
+                       else final_line_is_blank = 0;
+                       lineptr = nextline;
+               } while (nextline);
+               fr = sigcaught;
+       }
+       if (!final_line_is_blank) {
+               if (dest) {
+                       fprintf(dest, "\n");
+               }
+               else {
+                       scr_printf("\n");
+                       fr = sigcaught;         
+               }
+       }
+
+       /* Enumerate any attachments */
+       if ( (pagin == 1) && (message->attachments) ) {
+               struct parts *ptr;
+
+               for (ptr = message->attachments; ptr; ptr = ptr->next) {
+                       if ( (!strcasecmp(ptr->disposition, "attachment"))
+                          || (!strcasecmp(ptr->disposition, "inline"))
+                          || (!strcasecmp(ptr->disposition, ""))
+                       ) {
+                               if ( (strcasecmp(ptr->number, message->mime_chosen))
+                                  && (!IsEmptyStr(ptr->mimetype))
+                               ) {
+                                       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);
+                                       if (!strncmp(ptr->mimetype, "image/", 6)) {
+                                               has_images++;
+                                       }
+                               }
+                       }
+               }
+       }
+
+       /* Save the attachments info for later */
+       last_message_parts = message->attachments;
+
+       /* Now we're done */
+       free(message->text);
+       free(message);
+
+       if (pagin == 1 && !dest)
+               color(DIM_WHITE);
+       stty_ctdl(0);
+       return (fr);
+}
+
+/*
+ * replace string function for the built-in editor
+ */
+void replace_string(char *filename, long int startpos)
+{
+       char buf[512];
+       char srch_str[128];
+       char rplc_str[128];
+       FILE *fp;
+       int a;
+       long rpos, wpos;
+       char *ptr;
+       int substitutions = 0;
+       long msglen = 0L;
+       int rv;
+
+       newprompt("Enter test to be replaced: ", srch_str, (sizeof(srch_str)-1) );
+       if (IsEmptyStr(srch_str)) {
+               return;
+       }
+
+       newprompt("Enter text to replace it with: ", rplc_str, (sizeof(rplc_str)-1) );
+
+       fp = fopen(filename, "r+");
+       if (fp == NULL) {
+               return;
+       }
+
+       wpos = startpos;
+       fseek(fp, startpos, 0);
+       strcpy(buf, "");
+       while (a = getc(fp), a > 0) {
+               ++msglen;
+               buf[strlen(buf) + 1] = 0;
+               buf[strlen(buf)] = a;
+               if (strlen(buf) >= strlen(srch_str)) {
+                       ptr = (&buf[strlen(buf) - strlen(srch_str)]);
+                       if (!strncmp(ptr, srch_str, strlen(srch_str))) {
+                               strcpy(ptr, rplc_str);
+                               ++substitutions;
+                       }
+               }
+               if (strlen(buf) > 384) {
+                       rpos = ftell(fp);
+                       fseek(fp, wpos, 0);
+                       rv = fwrite((char *) buf, 128, 1, fp);
+                       if (rv < 0) {
+                               scr_printf("failed to replace string: %s\n", strerror(errno));
+                               break; /*whoopsi! */
+                       }
+                       strcpy(buf, &buf[128]);
+                       wpos = ftell(fp);
+                       fseek(fp, rpos, 0);
+               }
+       }
+       fseek(fp, wpos, 0);
+       if (!IsEmptyStr(buf)) {
+               rv = fwrite((char *) buf, strlen(buf), 1, fp);
+       }
+       wpos = ftell(fp);
+       fclose(fp);
+       rv = truncate(filename, wpos);
+       scr_printf("<R>eplace made %d substitution(s).\n\n", substitutions);
+}
+
+/*
+ * Function to begin composing a new message
+ */
+int client_make_message(CtdlIPC *ipc,
+                       char *filename,         /* temporary file name */
+                       char *recipient,        /* NULL if it's not mail */
+                       int is_anonymous,
+                       int format_type,
+                       int mode,
+                       char *subject,          /* buffer to store subject line */
+                       int subject_required
+) {
+       FILE *fp;
+       int a, b, e_ex_code;
+       long beg;
+       char datestr[SIZ];
+       char header[SIZ];
+       int cksum = 0;
+
+       if ( (mode == 2) && (IsEmptyStr(editor_path)) ) {
+               scr_printf("*** No editor available; using built-in editor.\n");
+               mode = 0;
+       }
+
+       fmt_date(datestr, sizeof datestr, time(NULL), 0);
+       header[0] = 0;
+
+       if (room_flags & QR_ANONONLY && !recipient) {
+               snprintf(header, sizeof header, " ****");
+       }
+       else {
+               snprintf(header, sizeof header,
+                       " %s from %s",
+                       datestr,
+                       (is_anonymous ? "[anonymous]" : fullname)
+                       );
+               if (!IsEmptyStr(recipient)) {
+                       size_t tmp = strlen(header);
+                       snprintf(&header[tmp], sizeof header - tmp,
+                               " to %s", recipient);
+               }
+       }
+       scr_printf("%s\n", header);
+       if (subject != NULL) if (!IsEmptyStr(subject)) {
+               scr_printf("Subject: %s\n", subject);
+       }
+       
+       if ( (subject_required) && (IsEmptyStr(subject)) ) {
+               newprompt("Subject: ", subject, 70);
+       }
+
+       if (mode == 1) {
+               scr_printf("(Press ctrl-d when finished)\n");
+       }
+
+       if (mode == 0) {
+               fp = fopen(filename, "r");
+               if (fp != NULL) {
+                       fmout(screenwidth, fp, NULL, NULL, 0);
+                       beg = ftell(fp);
+                       if (beg < 0)
+                               scr_printf("failed to get stream position %s\n", 
+                                          strerror(errno));
+                       fclose(fp);
+               } else {
+                       fp = fopen(filename, "w");
+                       if (fp == NULL) {
+                               scr_printf("*** Error opening temp file!\n    %s: %s\n",
+                                       filename, strerror(errno)
+                               );
+                       return(1);
+                       }
+                       fclose(fp);
+               }
+       }
+
+ME1:   switch (mode) {
+
+       case 0:
+               fp = fopen(filename, "r+");
+               if (fp == NULL) {
+                       scr_printf("*** Error opening temp file!\n    %s: %s\n",
+                               filename, strerror(errno)
+                       );
+                       return(1);
+               }
+               citedit(fp);
+               fclose(fp);
+               goto MECR;
+
+       case 1:
+               fp = fopen(filename, "a");
+               if (fp == NULL) {
+                       scr_printf("*** Error opening temp file!\n"
+                               "    %s: %s\n",
+                               filename, strerror(errno));
+                       return(1);
+               }
+               do {
+                       a = inkey();
+                       if (a == 255)
+                               a = 32;
+                       if (a == 13)
+                               a = 10;
+                       if (a != 4) {
+                               putc(a, fp);
+                               scr_putc(a);
+                       }
+                       if (a == 10)
+                               scr_putc(10);
+               } while (a != 4);
+               fclose(fp);
+               break;
+
+       case 2:
+       default:        /* allow 2+ modes */
+               e_ex_code = 1;  /* start with a failed exit code */
+               stty_ctdl(SB_RESTORE);
+               editor_pid = fork();
+               cksum = file_checksum(filename);
+               if (editor_pid == 0) {
+                       char tmp[SIZ];
+
+                       chmod(filename, 0600);
+                       snprintf(tmp, sizeof tmp, "WINDOW_TITLE=%s", header);
+                       putenv(tmp);
+                       execlp(editor_path, editor_path, filename, NULL);
+                       exit(1);
+               }
+               if (editor_pid > 0)
+                       do {
+                               e_ex_code = 0;
+                               b = ka_wait(&e_ex_code);
+                       } while ((b != editor_pid) && (b >= 0));
+               editor_pid = (-1);
+               stty_ctdl(0);
+               break;
+       }
+
+MECR:  if (mode >= 2) {
+               if (file_checksum(filename) == cksum) {
+                       scr_printf("*** Aborted message.\n");
+                       e_ex_code = 1;
+               }
+               if (e_ex_code == 0) {
+                       goto MEFIN;
+               }
+               goto MEABT2;
+       }
+
+       b = keymenu("Entry command (? for options)",
+               "<A>bort|"
+               "<C>ontinue|"
+               "<S>ave message|"
+               "<P>rint formatted|"
+               "add s<U>bject|"
+               "<R>eplace string|"
+               "<H>old message"
+       );
+
+       if (b == 'a') goto MEABT;
+       if (b == 'c') goto ME1;
+       if (b == 's') goto MEFIN;
+       if (b == 'p') {
+               scr_printf(" %s from %s", datestr, fullname);
+               if (!IsEmptyStr(recipient)) {
+                       scr_printf(" to %s", recipient);
+               }
+               scr_printf("\n");
+               if (subject != NULL) if (!IsEmptyStr(subject)) {
+                       scr_printf("Subject: %s\n", subject);
+               }
+               fp = fopen(filename, "r");
+               if (fp != NULL) {
+                       fmout(screenwidth, fp, NULL, NULL, 0);
+                       beg = ftell(fp);
+                       if (beg < 0)
+                               scr_printf("failed to get stream position %s\n", 
+                                          strerror(errno));
+                       fclose(fp);
+               }
+               goto MECR;
+       }
+       if (b == 'r') {
+               replace_string(filename, 0L);
+               goto MECR;
+       }
+       if (b == 'h') {
+               return (2);
+       }
+       if (b == 'u') {
+               if (subject != NULL) {
+                       newprompt("Subject: ", subject, 70);
+               }
+               goto MECR;
+       }
+
+MEFIN: return (0);
+
+MEABT: scr_printf("Are you sure? ");
+       if (yesno() == 0) {
+               goto ME1;
+       }
+MEABT2:        unlink(filename);
+       return (2);
+}
+
+
+/*
+ * 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) );
+       }
+}
+
+
+/*
+ * break_big_lines()  -  break up lines that are >1024 characters
+ *                       otherwise the server will truncate
+ */
+void break_big_lines(char *msg) {
+       char *ptr;
+       char *break_here;
+
+       if (msg == NULL) {
+               return;
+       }
+
+       ptr = msg;
+       while (strlen(ptr) > 1000) {
+               break_here = strchr(&ptr[900], ' ');
+               if ((break_here == NULL) || (break_here > &ptr[999])) {
+                       break_here = &ptr[999];
+               }
+               *break_here = '\n';
+               ptr = break_here++;
+       }
+}
+
+
+/*
+ * entmsg()  -  edit and create a message
+ *              returns 0 if message was saved
+ */
+int entmsg(CtdlIPC *ipc,
+               int is_reply,   /* nonzero if this was a <R>eply command */
+               int c,          /* mode */
+               int masquerade  /* prompt for a non-default display name? */
+) {
+       char buf[SIZ];
+       int a, b;
+       int need_recp = 0;
+       int mode;
+       long highmsg = 0L;
+       FILE *fp;
+       char subject[SIZ];
+       struct ctdlipcmessage message;
+       unsigned long *msgarr = NULL;
+       int r;                  /* IPC response code */
+       int subject_required = 0;
+
+       if (!entmsg_ok) {
+               scr_printf("You may not enter messages in this type of room.\n");
+               return(1);
+       }
+
+       if (c > 0) {
+               mode = 1;
+       }
+       else {
+               mode = 0;
+       }
+
+       strcpy(subject, "");
+
+       /*
+        * 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.
+        */
+       strcpy(message.recipient, "");
+       strcpy(message.author, "");
+       strcpy(message.subject, "");
+       strcpy(message.references, "");
+       message.text = "";              /* point to "", changes later */
+       message.anonymous = 0;
+       message.type = mode;
+
+       if (masquerade) {
+               newprompt("Display name for this message: ", message.author, 40);
+       }
+
+       if (is_reply) {
+
+               if (!IsEmptyStr(reply_subject)) {
+                       if (!strncasecmp(reply_subject,
+                          "Re: ", 3)) {
+                               strcpy(message.subject, reply_subject);
+                       }
+                       else {
+                               snprintf(message.subject,
+                                       sizeof message.subject,
+                                       "Re: %s",
+                                       reply_subject);
+                       }
+               }
+
+               /* Trim down excessively long lists of thread references.  We eliminate the
+                * second one in the list so that the thread root remains intact.
+                */
+               int rrtok = num_tokens(reply_references, '|');
+               int rrlen = strlen(reply_references);
+               if ( ((rrtok >= 3) && (rrlen > 900)) || (rrtok > 10) ) {
+                       remove_token(reply_references, 1, '|');
+               }
+
+               snprintf(message.references, sizeof message.references, "%s%s%s",
+                       reply_references,
+                       (IsEmptyStr(reply_references) ? "" : "|"),
+                       reply_inreplyto
+               );
+       }
+
+       r = CtdlIPCPostMessage(ipc, 0, &subject_required, &message, buf);
+
+       if (r / 100 != 2 && r / 10 != 57) {
+               scr_printf("%s\n", buf);
+               return (1);
+       }
+
+       /* Error code 570 is special.  It means that we CAN enter a message
+        * in this room, but a recipient needs to be specified.
+        */
+       need_recp = 0;
+       if (r / 10 == 57) {
+               need_recp = 1;
+       }
+
+       /* If the user is a dumbass, tell them how to type. */
+       if ((userflags & US_EXPERT) == 0) {
+               formout(ipc, "entermsg");
+       }
+
+       /* Handle the selection of a recipient, if necessary. */
+       strcpy(buf, "");
+       if (need_recp == 1) {
+               if (axlevel >= AxProbU) {
+                       if (is_reply) {
+                               strcpy(buf, reply_to);
+                       } else {
+                               newprompt("Enter recipient: ", buf, SIZ-100);
+                               if (IsEmptyStr(buf)) {
+                                       return (1);
+                               }
+                       }
+               } else
+                       strcpy(buf, "sysop");
+       }
+       strcpy(message.recipient, buf);
+
+       if (room_flags & QR_ANONOPT) {
+               scr_printf("Anonymous (Y/N)? ");
+               if (yesno() == 1)
+                       message.anonymous = 1;
+       }
+
+       /* If it's mail, we've got to check the validity of the recipient... */
+       if (!IsEmptyStr(message.recipient)) {
+               r = CtdlIPCPostMessage(ipc, 0, &subject_required,  &message, buf);
+               if (r / 100 != 2) {
+                       scr_printf("%s\n", buf);
+                       return (1);
+               }
+       }
+
+       /* Learn the number of the newest message in in the room, so we can
+        * tell upon saving whether someone else has posted too.
+        */
+       num_msgs = 0;
+       r = CtdlIPCGetMessages(ipc, LastMessages, 1, NULL, &msgarr, buf);
+       if (r / 100 != 1) {
+               scr_printf("%s\n", buf);
+       } else {
+               for (num_msgs = 0; msgarr[num_msgs]; num_msgs++)
+                       ;
+       }
+
+       /* Now compose the message... */
+       if (client_make_message(ipc, temp, message.recipient,
+          message.anonymous, 0, c, message.subject, subject_required) != 0) {
+           if (msgarr) free(msgarr);   
+               return (2);
+       }
+
+       /* Reopen the temp file that was created, so we can send it */
+       fp = fopen(temp, "r");
+
+       if (!fp || !(message.text = load_message_from_file(fp))) {
+               scr_printf("*** Internal error while trying to save message!\n"
+                       "%s: %s\n",
+                       temp, strerror(errno));
+               unlink(temp);
+               return(errno);
+       }
+
+       if (fp) fclose(fp);
+
+       /* Break lines that are >1024 characters, otherwise the server
+        * will truncate them.
+        */
+       break_big_lines(message.text);
+
+       /* Transmit message to the server */
+       r = CtdlIPCPostMessage(ipc, 1, NULL, &message, buf);
+       if (r / 100 != 4) {
+               scr_printf("%s\n", buf);
+               return (1);
+       }
+
+       /* Yes, unlink it now, so it doesn't stick around if we crash */
+       unlink(temp);
+
+       if (num_msgs >= 1) highmsg = msgarr[num_msgs - 1];
+
+       if (msgarr) free(msgarr);
+       msgarr = NULL;
+       r = CtdlIPCGetMessages(ipc, NewMessages, 0, NULL, &msgarr, buf);
+       if (r / 100 != 1) {
+               scr_printf("%s\n", buf);
+       } else {
+               for (num_msgs = 0; msgarr[num_msgs]; num_msgs++)
+                       ;
+       }
+
+       /* get new highest message number in room to set lrp for goto... */
+       maxmsgnum = msgarr[num_msgs - 1];
+
+       /* now see if anyone else has posted in here */
+       b = (-1);
+       for (a = 0; a < num_msgs; ++a) {
+               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.
+        */
+       if (need_recp) {
+               --b;
+       }
+
+       if (b == 1) {
+               scr_printf("*** 1 additional message has been entered "
+                       "in this room by another user.\n");
+       }
+       else if (b > 1) {
+               scr_printf("*** %d additional messages have been entered "
+                       "in this room by other users.\n", b);
+       }
+    free(message.text);
+
+       return(0);
+}
+
+/*
+ * Do editing on a quoted file
+ */
+void process_quote(void)
+{
+       FILE *qfile, *tfile;
+       char buf[128];
+       int line, qstart, qend;
+
+       /* Unlink the second temp file as soon as it's opened, so it'll get
+        * deleted even if the program dies
+        */
+       qfile = fopen(temp2, "r");
+       unlink(temp2);
+
+       /* Display the quotable text with line numbers added */
+       line = 0;
+       if (fgets(buf, 128, qfile) == NULL) {
+               /* we're skipping a line here */
+       }
+       while (fgets(buf, 128, qfile) != NULL) {
+               scr_printf("%3d %s", ++line, buf);
+       }
+
+       qstart = intprompt("Begin quoting at", 1, 1, line);
+       qend = intprompt("  End quoting at", line, qstart, line);
+
+       rewind(qfile);
+       line = 0;
+       if (fgets(buf, 128, qfile) == NULL) {
+               /* we're skipping a line here */
+       }
+       tfile = fopen(temp, "w");
+       while (fgets(buf, 128, qfile) != NULL) {
+               if ((++line >= qstart) && (line <= qend))
+                       fprintf(tfile, " >%s", buf);
+       }
+       fprintf(tfile, " \n");
+       fclose(qfile);
+       fclose(tfile);
+       chmod(temp, 0666);
+}
+
+
+
+/*
+ * List the URL's which were embedded in the previous message
+ */
+void list_urls(CtdlIPC *ipc)
+{
+       int i;
+       char cmd[SIZ];
+       int rv;
+
+       if (num_urls == 0) {
+               scr_printf("There were no URL's in the previous message.\n\n");
+               return;
+       }
+
+       for (i = 0; i < num_urls; ++i) {
+               scr_printf("%3d %s\n", i + 1, urls[i]);
+       }
+
+       if ((i = num_urls) != 1)
+               i = intprompt("Display which one", 1, 1, num_urls);
+
+       snprintf(cmd, sizeof cmd, rc_url_cmd, urls[i - 1]);
+       rv = system(cmd);
+       if (rv != 0) 
+               scr_printf("failed to '%s' by %d\n", cmd, rv);
+       scr_printf("\n");
+}
+
+
+/*
+ * Run image viewer in background
+ */
+int do_image_view(const char *filename)
+{
+       char cmd[SIZ];
+       pid_t childpid;
+
+       snprintf(cmd, sizeof cmd, imagecmd, filename);
+       childpid = fork();
+       if (childpid < 0) {
+               unlink(filename);
+               return childpid;
+       }
+
+       if (childpid == 0) {
+               int retcode;
+               pid_t grandchildpid;
+
+               grandchildpid = fork();
+               if (grandchildpid < 0) {
+                       return grandchildpid;
+               }
+
+               if (grandchildpid == 0) {
+                       int nullfd;
+                       int outfd = -1;
+                       int errfd = -1;
+
+                       nullfd = open("/dev/null", O_WRONLY);
+                       if (nullfd > -1) {
+                               dup2(1, outfd);
+                               dup2(2, errfd);
+                               dup2(nullfd, 1);
+                               dup2(nullfd, 2);
+                       }
+                       retcode = system(cmd);
+                       if (nullfd > -1) {
+                               dup2(outfd, 1);
+                               dup2(errfd, 2);
+                               close(nullfd);
+                       }
+                       unlink(filename);
+                       exit(retcode);
+               }
+
+               if (grandchildpid > 0) {
+                       exit(0);
+               }
+       }
+
+       if (childpid > 0) {
+               int retcode;
+
+               waitpid(childpid, &retcode, 0);
+               return retcode;
+       }
+       
+       return -1;
+}
+
+
+/*
+ * View an image attached to a message
+ */
+void image_view(CtdlIPC *ipc, unsigned long msg)
+{
+       struct parts *ptr = last_message_parts;
+       char part[SIZ];
+       int found = 0;
+
+       /* Run through available parts */
+       for (ptr = last_message_parts; ptr; ptr = ptr->next) {
+               if ((!strcasecmp(ptr->disposition, "attachment")
+                  || !strcasecmp(ptr->disposition, "inline"))
+                  && !strncmp(ptr->mimetype, "image/", 6)) {
+                       found++;
+                       if (found == 1) {
+                               strcpy(part, ptr->number);
+                       }
+               }
+       }
+
+       while (found > 0) {
+               if (found > 1)
+                       strprompt("View which part (0 when done)", part, SIZ-1);
+               found = -found;
+               for (ptr = last_message_parts; ptr; ptr = ptr->next) {
+                       if ((!strcasecmp(ptr->disposition, "attachment")
+                          || !strcasecmp(ptr->disposition, "inline"))
+                          && !strncmp(ptr->mimetype, "image/", 6)
+                          && !strcasecmp(ptr->number, part)) {
+                               char tmp[PATH_MAX];
+                               char buf[SIZ];
+                               void *file = NULL; /* The downloaded file */
+                               int r;
+       
+                               /* view image */
+                               found = -found;
+                               r = CtdlIPCAttachmentDownload(ipc, msg, ptr->number, &file, progress, buf);
+                               if (r / 100 != 2) {
+                                       scr_printf("%s\n", buf);
+                               } else {
+                                       size_t len;
+       
+                                       len = (size_t)extract_long(buf, 0);
+                                       progress(ipc, len, len);
+                                       scr_flush();
+                                       CtdlMakeTempFileName(tmp, sizeof tmp);
+                                       strcat(tmp, ptr->filename);
+                                       save_buffer(file, len, tmp);
+                                       free(file);
+                                       do_image_view(tmp);
+                               }
+                               break;
+                       }
+               }
+               if (found == 1)
+                       break;
+       }
+}
+
+/*
+ * Read the messages in the current room
+ */
+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, e, f, g, start;
+       int savedpos;
+       int hold_sw = 0;
+       char arcflag = 0;
+       char quotflag = 0;
+       int hold_color = 0;
+       char prtfile[PATH_MAX];
+       char pagin;
+       char cmd[SIZ];
+       char targ[ROOMNAMELEN];
+       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 */
+       static int att_seq = 0;         /* Attachment download sequence number */
+       int rv = 0;                     /* silence the stupid warn_unused_result warnings */
+
+       CtdlMakeTempFileName(prtfile, sizeof prtfile);
+
+       if (msg_arr) {
+               free(msg_arr);
+               msg_arr = NULL;
+       }
+       r = CtdlIPCGetMessages(ipc, c, q, NULL, &msg_arr, cmd);
+       if (r / 100 != 1) {
+               scr_printf("%s\n", cmd);
+       } else {
+               for (num_msgs = 0; msg_arr[num_msgs]; num_msgs++)
+                       ;
+       }
+
+       if (num_msgs == 0) {    /* TODO look at this later */
+               if (c == LastMessages) return;
+               scr_printf("*** There are no ");
+               if (c == NewMessages) scr_printf("new ");
+               if (c == OldMessages) scr_printf("old ");
+               scr_printf("messages in this room.\n");
+               return;
+       }
+
+       /* this loop cycles through each message... */
+       start = ((rdir == 1) ? 0 : (num_msgs - 1));
+       for (a = start; ((a < num_msgs) && (a >= 0)); a = a + rdir) {
+               while (msg_arr[a] == 0L) {
+                       a = a + rdir;
+                       if ((a == num_msgs) || (a == (-1)))
+                               return;
+               }
+
+RAGAIN:                pagin = ((arcflag == 0)
+                        && (quotflag == 0)
+                        && (userflags & US_PAGINATOR)) ? 1 : 0;
+
+               /* If we're doing a quote, set the screenwidth to 72 */
+               if (quotflag) {
+                       hold_sw = screenwidth;
+                       screenwidth = 72;
+               }
+
+               /* If printing or archiving, set the screenwidth to 80 */
+               if (arcflag) {
+                       hold_sw = screenwidth;
+                       screenwidth = 80;
+               }
+
+               /* clear parts list */
+               free_parts(last_message_parts);
+               last_message_parts = NULL;
+
+               /* now read the message... */
+               e = read_message(ipc, msg_arr[a], pagin, dest);
+
+               /* ...and set the screenwidth back if we have to */
+               if ((quotflag) || (arcflag)) {
+                       screenwidth = hold_sw;
+               }
+RMSGREAD:
+               highest_msg_read = msg_arr[a];
+               if (quotflag) {
+                       fclose(dest);
+                       dest = NULL;
+                       quotflag = 0;
+                       enable_color = hold_color;
+                       process_quote();
+                       e = 'r';
+                       goto DONE_QUOTING;
+               }
+               if (arcflag) {
+                       fclose(dest);
+                       dest = NULL;
+                       arcflag = 0;
+                       enable_color = hold_color;
+                       f = fork();
+                       if (f == 0) {
+                               if (freopen(prtfile, "r", stdin) == NULL) {
+                                       /* we probably should handle the error condition here */
+                               }
+                               stty_ctdl(SB_RESTORE);
+                               ka_system(printcmd);
+                               stty_ctdl(SB_NO_INTR);
+                               unlink(prtfile);
+                               exit(0);
+                       }
+                       if (f > 0)
+                               do {
+                                       g = wait(NULL);
+                               } while ((g != f) && (g >= 0));
+                       scr_printf("Message printed.\n");
+               }
+               if (e == SIGQUIT)
+                       return;
+               if (((userflags & US_NOPROMPT) || (e == SIGINT))
+                       && (((room_flags & QR_MAILBOX) == 0)
+                       || (rc_force_mail_prompts == 0))) {
+                       e = 'n';
+               } else {
+                       color(DIM_WHITE);
+                       scr_printf("(");
+                       color(BRIGHT_WHITE);
+                       scr_printf("%d", num_msgs - a - 1);
+                       color(DIM_WHITE);
+                       scr_printf(") ");
+
+                       keyopt("<B>ack <A>gain <R>eply reply<Q>uoted <N>ext <S>top ");
+                       if (rc_url_cmd[0] && num_urls)
+                               keyopt("<U>RLview ");
+                       if (has_images > 0 && !IsEmptyStr(imagecmd))
+                               keyopt("<I>mages ");
+                       keyopt("<?>help -> ");
+
+                       do {
+                               e = (inkey() & 127);
+                               e = tolower(e);
+/* return key same as <N> */ if (e == 10)
+                                       e = 'n';
+/* space key same as <N> */ if (e == 32)
+                                       e = 'n';
+/* del/move for aides only */
+                                   if (  (!is_room_aide)
+                                      && ((room_flags & QR_MAILBOX) == 0)
+                                      && ((room_flags2 & QR2_COLLABDEL) == 0)
+                                      ) {
+                                       if ((e == 'd') || (e == 'm'))
+                                               e = 0;
+                               }
+/* print only if available */
+                               if ((e == 'p') && (IsEmptyStr(printcmd)))
+                                       e = 0;
+/* can't file if not allowed */
+                                   if ((e == 'f')
+                                       && (rc_allow_attachments == 0))
+                                       e = 0;
+/* link only if browser avail*/
+                                   if ((e == 'u')
+                                       && (IsEmptyStr(rc_url_cmd)))
+                                       e = 0;
+                               if ((e == 'i')
+                                       && (IsEmptyStr(imagecmd) || !has_images))
+                                       e = 0;
+                       } while ((e != 'a') && (e != 'n') && (e != 's')
+                                && (e != 'd') && (e != 'm') && (e != 'p')
+                                && (e != 'q') && (e != 'b') && (e != 'h')
+                                && (e != 'r') && (e != 'f') && (e != '?')
+                                && (e != 'u') && (e != 'c') && (e != 'y')
+                                && (e != 'i') && (e != 'o') );
+                       switch (e) {
+                       case 's':
+                               scr_printf("Stop");
+                               break;
+                       case 'a':
+                               scr_printf("Again");
+                               break;
+                       case 'd':
+                               scr_printf("Delete");
+                               break;
+                       case 'm':
+                               scr_printf("Move");
+                               break;
+                       case 'c':
+                               scr_printf("Copy");
+                               break;
+                       case 'n':
+                               scr_printf("Next");
+                               break;
+                       case 'p':
+                               scr_printf("Print");
+                               break;
+                       case 'q':
+                               scr_printf("reply Quoted");
+                               break;
+                       case 'b':
+                               scr_printf("Back");
+                               break;
+                       case 'h':
+                               scr_printf("Header");
+                               break;
+                       case 'r':
+                               scr_printf("Reply");
+                               break;
+                       case 'o':
+                               scr_printf("Open attachments");
+                               break;
+                       case 'f':
+                               scr_printf("File");
+                               break;
+                       case 'u':
+                               scr_printf("URL's");
+                               break;
+                       case 'y':
+                               scr_printf("mY next");
+                               break;
+                       case 'i':
+                               break;
+                       case '?':
+                               scr_printf("? <help>");
+                               break;
+                       }
+                       if (userflags & US_DISAPPEAR || e == 'i')
+                               scr_printf("\r%79s\r", "");
+                       else
+                               scr_printf("\n");
+               }
+DONE_QUOTING:  switch (e) {
+               case '?':
+                       scr_printf("Options available here:\n"
+                               " ?  Help (prints this message)\n"
+                               " S  Stop reading immediately\n"
+                               " A  Again (repeats last message)\n"
+                               " N  Next (continue with next message)\n"
+                               " Y  My Next (continue with next message you authored)\n"
+                               " B  Back (go back to previous message)\n");
+                       if (  (is_room_aide)
+                          || (room_flags & QR_MAILBOX)
+                          || (room_flags2 & QR2_COLLABDEL)
+                       ) {
+                               scr_printf(" D  Delete this message\n"
+                                       " M  Move message to another room\n");
+                       }
+                       scr_printf(" C  Copy message to another room\n");
+                       if (!IsEmptyStr(printcmd))
+                               scr_printf(" P  Print this message\n");
+                       scr_printf(
+                               " Q  Reply to this message, quoting portions of it\n"
+                               " H  Headers (display message headers only)\n");
+                       if (is_mail)
+                               scr_printf(" R  Reply to this message\n");
+                       if (rc_allow_attachments) {
+                               scr_printf(" O  (Open attachments)\n");
+                               scr_printf(" F  (save attachments to a File)\n");
+                       }
+                       if (!IsEmptyStr(rc_url_cmd))
+                               scr_printf(" U  (list URL's for display)\n");
+                       if (!IsEmptyStr(imagecmd) && has_images > 0)
+                               scr_printf(" I  Image viewer\n");
+                       scr_printf("\n");
+                       goto RMSGREAD;
+               case 'p':
+                       scr_flush();
+                       dest = fopen(prtfile, "w");
+                       arcflag = 1;
+                       hold_color = enable_color;
+                       enable_color = 0;
+                       goto RAGAIN;
+               case 'q':
+                       scr_flush();
+                       dest = fopen(temp2, "w");
+                       quotflag = 1;
+                       hold_color = enable_color;
+                       enable_color = 0;
+                       goto RAGAIN;
+               case 's':
+                       return;
+               case 'a':
+                       goto RAGAIN;
+               case 'b':
+                       a = a - (rdir * 2);
+                       break;
+               case 'm':
+               case 'c':
+                       newprompt("Enter target room: ",
+                                 targ, ROOMNAMELEN - 1);
+                       if (!IsEmptyStr(targ)) {
+                               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 (r / 100 != 2)       /* r will be init'ed, FIXME */
+                               goto RMSGREAD;  /* the logic here sucks */
+                       break;
+               case 'o':
+               case 'f':
+                       newprompt("Which section? ", filename, ((sizeof filename) - 1));
+                       r = CtdlIPCAttachmentDownload(ipc, msg_arr[a],
+                                       filename, &attachment, progress, cmd);
+                       if (r / 100 != 2) {
+                               scr_printf("%s\n", cmd);
+                       } else {
+                               extract_token(filename, cmd, 2, '|', sizeof filename);
+                               /*
+                                * Part 1 won't have a filename; use the
+                                * subject of the message instead. IO
+                                */
+                               if (IsEmptyStr(filename)) {
+                                       strcpy(filename, reply_subject);
+                               }
+                               if (e == 'o') {         /* open attachment */
+                                       mkdir(tempdir, 0700);
+                                       snprintf(save_to, sizeof save_to, "%s/%04x.%s",
+                                               tempdir,
+                                               ++att_seq,
+                                               filename);
+                                       save_buffer(attachment, extract_unsigned_long(cmd, 0), save_to);
+                                       snprintf(cmd, sizeof cmd, rc_open_cmd, save_to);
+                                       rv = system(cmd);
+                                       if (rv != 0)
+                                               scr_printf("failed to save %s Reason %d\n", cmd, rv);
+                               }
+                               else {                  /* save attachment to disk */
+                                       destination_directory(save_to, filename);
+                                       save_buffer(attachment, extract_unsigned_long(cmd, 0), save_to);
+                               }
+                       }
+                       if (attachment) {
+                               free(attachment);
+                               attachment = NULL;
+                       }
+                       goto RMSGREAD;
+               case 'd':
+                       scr_printf("*** Delete this message? ");
+                       if (yesno() == 1) {
+                               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(ipc, msg_arr[a], READ_HEADER, NULL);
+                       goto RMSGREAD;
+               case 'r':
+                       savedpos = num_msgs;
+                       entmsg(ipc, 1, ((userflags & US_EXTEDIT) ? 2 : 0), 0);
+                       num_msgs = savedpos;
+                       goto RMSGREAD;
+               case 'u':
+                       list_urls(ipc);
+                       goto RMSGREAD;
+               case 'i':
+                       image_view(ipc, msg_arr[a]);
+                       goto RMSGREAD;
+           case 'y':
+          { /* hack hack hack */
+            /* find the next message by me, stay here if we find nothing */
+            int finda;
+            int lasta = a;
+            for (finda = (a + rdir); ((finda < num_msgs) && (finda >= 0)); finda += rdir)
+              {
+               /* 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;
+               struct ctdlipcmessage *msg = NULL;
+                
+               /* read the header so we can get 'from=' */
+               r = CtdlIPCGetSingleMessage(ipc, msg_arr[finda], 1, 0, &msg, buf);
+               if (!strncasecmp(msg->author, fullname, sizeof(fullname))) {
+                       a = lasta; /* meesa current */
+                       founda = 1;
+               }
+
+               free(msg);
+
+               if (founda)
+                       break; /* for */
+               lasta = finda; /* keep one behind or we skip on the reentrance to the for */
+              } /* for */
+          } /* case 'y' */
+      } /* switch */
+       }                       /* end for loop */
+}                              /* end read routine */
+
+
+
+
+/*
+ * View and edit a system message
+ */
+void edit_system_message(CtdlIPC *ipc, char *which_message)
+{
+       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);
+}
+
+
+
+
+/*
+ * 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;
+}