2 * Text client functions for reading and writing of messages
4 * Copyright (c) 1987-2010 by the citadel.org team
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 #include <sys/types.h>
35 #if TIME_WITH_SYS_TIME
36 # include <sys/time.h>
40 # include <sys/time.h>
51 #include <libcitadel.h>
53 #include "citadel_ipc.h"
54 #include "citadel_decls.h"
63 #define MAXWORDBUF SIZ
64 #define NO_REPLY_TO "nobody ... xxxxxx"
67 char reply_subject[SIZ];
68 char reply_references[SIZ];
69 char reply_inreplyto[SIZ];
73 char text[MAXWORDBUF];
76 void stty_ctdl(int cmd);
77 int haschar(const char *st, int ch);
78 void ctdl_getline(char *string, int lim);
79 int file_checksum(char *filename);
80 void progress(CtdlIPC* ipc, unsigned long curr, unsigned long cmax);
82 unsigned long *msg_arr = NULL;
85 char rc_alt_semantics;
86 extern char room_name[];
87 extern char tempdir[];
88 extern unsigned room_flags;
89 extern unsigned room_flags2;
91 extern long highest_msg_read;
94 extern int screenwidth;
95 extern int screenheight;
96 extern long maxmsgnum;
99 extern char is_room_aide;
100 extern char fullname[];
102 extern unsigned userflags;
103 extern char sigcaught;
104 extern char printcmd[];
105 extern int rc_allow_attachments;
106 extern int rc_display_message_numbers;
107 extern int rc_force_mail_prompts;
108 extern int editor_pid;
109 extern CtdlIPC *ipc_for_signal_handlers; /* KLUDGE cover your eyes */
111 char urls[MAXURLS][SIZ];
113 int has_images = 0; /* Current msg has images */
114 struct parts *last_message_parts = NULL; /* Parts from last msg */
118 void ka_sigcatch(int signum)
121 signal(SIGALRM, ka_sigcatch);
122 CtdlIPCNoop(ipc_for_signal_handlers);
127 * server keep-alive version of wait() (needed for external editor)
129 pid_t ka_wait(int *kstatus)
134 signal(SIGALRM, ka_sigcatch);
138 } while (errno == EINTR);
139 signal(SIGALRM, SIG_IGN);
146 * version of system() that uses ka_wait()
148 int ka_system(char *shc)
157 perror("Cannot fork");
159 return ((pid_t) childpid);
163 execlp("/bin/sh", "sh", "-c", shc, NULL);
169 waitpid = ka_wait(&retcode);
170 } while (waitpid != childpid);
180 * add a newline to the buffer...
182 void add_newline(struct cittext *textlist)
187 while (ptr->next != NULL)
190 while (ptr->text[strlen(ptr->text) - 1] == 32)
191 ptr->text[strlen(ptr->text) - 1] = 0;
192 /* strcat(ptr->text,"\n"); */
194 ptr->next = (struct cittext *)
195 malloc(sizeof(struct cittext));
198 strcpy(ptr->text, "");
203 * add a word to the buffer...
205 void add_word(struct cittext *textlist, char *wordbuf)
210 while (ptr->next != NULL)
213 if (3 + strlen(ptr->text) + strlen(wordbuf) > screenwidth) {
214 ptr->next = (struct cittext *)
215 malloc(sizeof(struct cittext));
218 strcpy(ptr->text, "");
221 strcat(ptr->text, wordbuf);
222 strcat(ptr->text, " ");
227 * begin editing of an opened file pointed to by fp
229 void citedit(FILE *fp)
231 int a, prev, finished, b, last_space;
233 struct cittext *textlist = NULL;
235 char wordbuf[MAXWORDBUF];
238 /* first, load the text into the buffer */
240 textlist = (struct cittext *) malloc(sizeof(struct cittext));
241 textlist->next = NULL;
242 strcpy(textlist->text, "");
246 while (a = getc(fp), a >= 0) {
248 if ((a == 32) || (a == 9) || (a == 13) || (a == 10)) {
249 add_word(textlist, wordbuf);
251 if ((prev == 13) || (prev == 10)) {
252 add_word(textlist, "\n");
253 add_newline(textlist);
254 add_word(textlist, "");
257 wordbuf[strlen(wordbuf) + 1] = 0;
258 wordbuf[strlen(wordbuf)] = a;
260 if (strlen(wordbuf) + 3 > screenwidth) {
261 add_word(textlist, wordbuf);
269 prev = (appending ? 13 : (-1));
281 if ((a != 32) && (prev == 13)) {
282 add_word(textlist, "\n");
286 if ((a == 32) && (prev == 13)) {
287 add_word(textlist, "\n");
288 add_newline(textlist);
292 if (!IsEmptyStr(wordbuf)) {
293 wordbuf[strlen(wordbuf) - 1] = 0;
298 } else if (a == 23) {
300 wordbuf[strlen(wordbuf) - 1] = 0;
304 } while (!IsEmptyStr(wordbuf) && wordbuf[strlen(wordbuf) - 1] != ' ');
305 } else if (a == 13) {
307 if (IsEmptyStr(wordbuf))
310 for (b = 0; b < strlen(wordbuf); ++b)
311 if (wordbuf[b] == 32) {
319 add_word(textlist, wordbuf);
324 wordbuf[strlen(wordbuf) + 1] = 0;
325 wordbuf[strlen(wordbuf)] = a;
327 if ((strlen(wordbuf) + 3) > screenwidth) {
329 for (b = 0; b < strlen(wordbuf); ++b)
330 if (wordbuf[b] == 32)
332 if (last_space >= 0) {
333 for (b = 0; b < strlen(wordbuf); ++b)
334 if (wordbuf[b] == 32) {
342 for (b = 0; b < strlen(wordbuf); ++b) {
347 scr_printf("\n%s", wordbuf);
349 add_word(textlist, wordbuf);
355 } while (finished == 0);
358 /* write the buffer back to disk */
360 for (ptr = textlist; ptr != NULL; ptr = ptr->next) {
361 fprintf(fp, "%s", ptr->text);
365 rv = ftruncate(fileno(fp), ftell(fp));
367 /* and deallocate the memory we used */
368 while (textlist != NULL) {
369 ptr = textlist->next;
377 * Free the struct parts
379 void free_parts(struct parts *p)
381 struct parts *a_part = p;
387 a_part = a_part->next;
394 * Read a message from the server
396 int read_message(CtdlIPC *ipc,
397 long num, /* message number */
398 int pagin, /* 0 = normal read, 1 = read with pagination, 2 = header */
399 FILE *dest) /* Destination file, NULL for screen */
406 struct ctdlipcmessage *message = NULL;
407 int r; /* IPC response code */
408 char *converted_text = NULL;
415 int final_line_is_blank = 0;
422 strcpy(reply_to, NO_REPLY_TO);
423 strcpy(reply_subject, "");
424 strcpy(reply_references, "");
425 strcpy(reply_inreplyto, "");
427 r = CtdlIPCGetSingleMessage(ipc, num, (pagin == READ_HEADER ? 1 : 0), 4, &message, buf);
429 err_printf("*** msg #%ld: %d %s\n", num, r, buf);
431 lines_printed = checkpagin(lines_printed, pagin, screenheight);
434 free_parts(message->attachments);
440 fprintf(dest, "\n ");
444 lines_printed = checkpagin(lines_printed, pagin, screenheight);
448 if (pagin == 1 && !dest) {
452 /* View headers only */
454 pprintf("nhdr=%s\nfrom=%s\ntype=%d\nmsgn=%s\n",
455 message->nhdr ? "yes" : "no",
456 message->author, message->type,
458 if (!IsEmptyStr(message->subject)) {
459 pprintf("subj=%s\n", message->subject);
461 if (!IsEmptyStr(message->email)) {
462 pprintf("rfca=%s\n", message->email);
464 pprintf("hnod=%s\nroom=%s\nnode=%s\ntime=%s",
465 message->hnod, message->room,
467 asctime(localtime(&message->time)));
468 if (!IsEmptyStr(message->recipient)) {
469 pprintf("rcpt=%s\n", message->recipient);
471 if (message->attachments) {
474 for (ptr = message->attachments; ptr; ptr = ptr->next) {
475 pprintf("part=%s|%s|%s|%s|%s|%ld\n",
476 ptr->name, ptr->filename, ptr->number,
477 ptr->disposition, ptr->mimetype,
484 free_parts(message->attachments);
489 if (rc_display_message_numbers) {
491 fprintf(dest, "[#%s] ", message->msgid);
496 scr_printf("#%s", message->msgid);
501 if (nhdr == 1 && !is_room_aide) {
503 fprintf(dest, " ****");
508 fmt_date(now, sizeof now, message->time, 0);
510 fprintf(dest, "%s from %s ", now, message->author);
511 if (!IsEmptyStr(message->email)) {
512 fprintf(dest, "<%s> ", message->email);
516 scr_printf("%s ", now);
520 scr_printf("%s ", message->author);
521 if (!IsEmptyStr(message->email)) {
525 scr_printf("%s", message->email);
530 if (!IsEmptyStr(message->node)) {
531 if ((room_flags & QR_NETWORK)
532 || ((strcasecmp(message->node, ipc->ServInfo.nodename)
533 && (strcasecmp(message->node, ipc->ServInfo.fqdn))))) {
534 if (IsEmptyStr(message->email)) {
536 fprintf(dest, "@%s ", message->node);
540 color(BRIGHT_YELLOW);
541 scr_printf("%s ", message->node);
546 if (strcasecmp(message->hnod, ipc->ServInfo.humannode)
547 && (!IsEmptyStr(message->hnod)) && (IsEmptyStr(message->email))) {
549 fprintf(dest, "(%s) ", message->hnod);
554 scr_printf("%s", message->hnod);
559 if (strcasecmp(message->room, room_name) && (IsEmptyStr(message->email))) {
561 fprintf(dest, "in %s> ", message->room);
565 color(BRIGHT_MAGENTA);
566 scr_printf("%s> ", message->room);
569 if (!IsEmptyStr(message->recipient)) {
571 fprintf(dest, "to %s ", message->recipient);
576 scr_printf("%s ", message->recipient);
587 /* Set the reply-to address to an Internet e-mail address if possible
589 if ((message->email != NULL) && (!IsEmptyStr(message->email))) {
590 if (!IsEmptyStr(message->author)) {
591 snprintf(reply_to, sizeof reply_to, "%s <%s>", message->author, message->email);
594 safestrncpy(reply_to, message->email, sizeof reply_to);
598 /* But if we can't do that, set it to a Citadel address.
600 if (!strcmp(reply_to, NO_REPLY_TO)) {
601 snprintf(reply_to, sizeof(reply_to), "%s @ %s",
602 message->author, message->node);
607 lines_printed = checkpagin(lines_printed, pagin, screenheight);
611 if (message->msgid != NULL) {
612 safestrncpy(reply_inreplyto, message->msgid, sizeof reply_inreplyto);
615 if (message->references != NULL) if (!IsEmptyStr(message->references)) {
616 safestrncpy(reply_references, message->references, sizeof reply_references);
619 if (message->subject != NULL) {
620 safestrncpy(reply_subject, message->subject, sizeof reply_subject);
621 if (!IsEmptyStr(message->subject)) {
623 fprintf(dest, "Subject: %s\n",
627 scr_printf("Subject: ");
629 scr_printf("%s\n", message->subject);
631 lines_printed = checkpagin(lines_printed,
632 pagin, screenheight);
637 if (pagin == 1 && !dest) {
641 /******* end of header output, start of message text output *******/
644 * Convert HTML to plain text, formatting for the actual width
645 * of the client screen.
647 if (!strcasecmp(message->content_type, "text/html")) {
648 converted_text = html_to_ascii(message->text, 0, screenwidth, 0);
649 if (converted_text != NULL) {
651 message->text = converted_text;
656 /* Text/plain is a different type */
657 if (!strcasecmp(message->content_type, "text/plain")) {
662 num_urls = 0; /* Start with a clean slate */
663 searchptr = message->text;
664 while ( (searchptr != NULL) && (num_urls < MAXURLS) ) {
665 searchptr = strstr(searchptr, "http://");
666 if (searchptr != NULL) {
667 safestrncpy(urls[num_urls], searchptr, sizeof(urls[num_urls]));
668 for (i = 0; i < strlen(urls[num_urls]); i++) {
669 ch = urls[num_urls][i];
670 if (ch == '>' || ch == '\"' || ch == ')' ||
671 ch == ' ' || ch == '\n') {
672 urls[num_urls][i] = 0;
684 if (format_type == 0) {
685 fr = fmout(screenwidth, NULL, message->text, dest,
686 ((pagin == 1) ? 1 : 0), screenheight, (-1), 1);
688 /* renderer for text/plain */
690 lineptr = message->text;
693 nextline = strchr(lineptr, '\n');
694 if (nextline != NULL) {
697 if (*nextline == 0) nextline = NULL;
700 if (sigcaught == 0) {
701 linelen = strlen(lineptr);
702 if (linelen && (lineptr[linelen-1] == '\r')) {
703 lineptr[--linelen] = 0;
706 fprintf(dest, "%s\n", lineptr);
708 scr_printf("%s\n", lineptr);
709 lines_printed = lines_printed + 1 +
710 (linelen / screenwidth);
712 checkpagin(lines_printed, pagin,
716 if (lineptr[0] == 0) final_line_is_blank = 1;
717 else final_line_is_blank = 0;
722 if (!final_line_is_blank) {
729 lines_printed = checkpagin(lines_printed, pagin, screenheight);
734 /* Enumerate any attachments */
735 if ( (pagin == 1) && (message->attachments) ) {
738 for (ptr = message->attachments; ptr; ptr = ptr->next) {
739 if ( (!strcasecmp(ptr->disposition, "attachment"))
740 || (!strcasecmp(ptr->disposition, "inline"))
741 || (!strcasecmp(ptr->disposition, ""))
743 if ( (strcasecmp(ptr->number, message->mime_chosen))
744 && (!IsEmptyStr(ptr->mimetype))
748 color(BRIGHT_MAGENTA);
749 pprintf("%s", ptr->number);
753 pprintf("%s", ptr->filename);
755 pprintf(" (%s, %ld bytes)\n", ptr->mimetype, ptr->length);
756 if (!strncmp(ptr->mimetype, "image/", 6)) {
764 /* Save the attachments info for later */
765 last_message_parts = message->attachments;
771 if (pagin == 1 && !dest)
778 * replace string function for the built-in editor
780 void replace_string(char *filename, long int startpos)
789 int substitutions = 0;
793 scr_printf("Enter text to be replaced:\n: ");
794 ctdl_getline(srch_str, (sizeof(srch_str)-1) );
795 if (IsEmptyStr(srch_str)) {
799 scr_printf("Enter text to replace it with:\n: ");
800 ctdl_getline(rplc_str, (sizeof(rplc_str)-1) );
802 fp = fopen(filename, "r+");
808 fseek(fp, startpos, 0);
810 while (a = getc(fp), a > 0) {
812 buf[strlen(buf) + 1] = 0;
813 buf[strlen(buf)] = a;
814 if (strlen(buf) >= strlen(srch_str)) {
815 ptr = (&buf[strlen(buf) - strlen(srch_str)]);
816 if (!strncmp(ptr, srch_str, strlen(srch_str))) {
817 strcpy(ptr, rplc_str);
821 if (strlen(buf) > 384) {
824 rv = fwrite((char *) buf, 128, 1, fp);
825 strcpy(buf, &buf[128]);
831 if (!IsEmptyStr(buf)) {
832 rv = fwrite((char *) buf, strlen(buf), 1, fp);
836 rv = truncate(filename, wpos);
837 scr_printf("<R>eplace made %d substitution(s).\n\n", substitutions);
841 * Function to begin composing a new message
843 int client_make_message(CtdlIPC *ipc,
844 char *filename, /* temporary file name */
845 char *recipient, /* NULL if it's not mail */
849 char *subject, /* buffer to store subject line */
857 char *editor_path = NULL;
862 if ((mode-2) < MAX_EDITORS && !IsEmptyStr(editor_paths[mode-2]))
864 editor_path = editor_paths[mode-2];
865 } else if (!IsEmptyStr(editor_paths[0]))
867 editor_path = editor_paths[0];
869 err_printf("*** No editor available; using built-in editor.\n");
874 fmt_date(datestr, sizeof datestr, time(NULL), 0);
877 if (room_flags & QR_ANONONLY && !recipient) {
878 snprintf(header, sizeof header, " ****");
881 snprintf(header, sizeof header,
884 (is_anonymous ? "[anonymous]" : fullname)
886 if (!IsEmptyStr(recipient)) {
887 size_t tmp = strlen(header);
888 snprintf(&header[tmp], sizeof header - tmp,
889 " to %s", recipient);
892 scr_printf("%s\n", header);
893 if (subject != NULL) if (!IsEmptyStr(subject)) {
894 scr_printf("Subject: %s\n", subject);
897 if ( (subject_required) && (IsEmptyStr(subject)) ) {
898 newprompt("Subject: ", subject, 70);
904 scr_printf("(Press ctrl-d when finished)\n");
908 fp = fopen(filename, "r");
910 fmout(screenwidth, fp, NULL, NULL, 0,
915 fp = fopen(filename, "w");
917 err_printf("*** Error opening temp file!\n %s: %s\n",
918 filename, strerror(errno)
929 fp = fopen(filename, "r+");
931 err_printf("*** Error opening temp file!\n %s: %s\n",
932 filename, strerror(errno)
941 fp = fopen(filename, "a");
943 err_printf("*** Error opening temp file!\n"
945 filename, strerror(errno));
965 default: /* allow 2+ modes */
966 e_ex_code = 1; /* start with a failed exit code */
968 stty_ctdl(SB_RESTORE);
970 cksum = file_checksum(filename);
971 if (editor_pid == 0) {
974 chmod(filename, 0600);
975 snprintf(tmp, sizeof tmp, "WINDOW_TITLE=%s", header);
977 execlp(editor_path, editor_path, filename, NULL);
983 b = ka_wait(&e_ex_code);
984 } while ((b != editor_pid) && (b >= 0));
991 MECR: if (mode >= 2) {
992 if (file_checksum(filename) == cksum) {
993 err_printf("*** Aborted message.\n");
996 if (e_ex_code == 0) {
1002 b = keymenu("Entry command (? for options)",
1006 "<P>rint formatted|"
1012 if (b == 'a') goto MEABT;
1013 if (b == 'c') goto ME1;
1014 if (b == 's') goto MEFIN;
1016 scr_printf(" %s from %s", datestr, fullname);
1017 if (!IsEmptyStr(recipient)) {
1018 scr_printf(" to %s", recipient);
1021 if (subject != NULL) if (!IsEmptyStr(subject)) {
1022 scr_printf("Subject: %s\n", subject);
1024 fp = fopen(filename, "r");
1026 fmout(screenwidth, fp, NULL, NULL,
1027 ((userflags & US_PAGINATOR) ? 1 : 0),
1028 screenheight, 0, 0);
1035 replace_string(filename, 0L);
1042 if (subject != NULL) {
1043 newprompt("Subject: ", subject, 70);
1050 MEABT: scr_printf("Are you sure? ");
1054 MEABT2: unlink(filename);
1060 * Make sure there's room in msg_arr[] for at least one more.
1062 void check_msg_arr_size(void) {
1063 if ((num_msgs + 1) > msg_arr_size) {
1064 msg_arr_size += 512;
1065 msg_arr = realloc(msg_arr,
1066 ((sizeof(long)) * msg_arr_size) );
1072 * break_big_lines() - break up lines that are >1024 characters
1073 * otherwise the server will truncate
1075 void break_big_lines(char *msg) {
1084 while (strlen(ptr) > 1000) {
1085 break_here = strchr(&ptr[900], ' ');
1086 if ((break_here == NULL) || (break_here > &ptr[999])) {
1087 break_here = &ptr[999];
1096 * entmsg() - edit and create a message
1097 * returns 0 if message was saved
1099 int entmsg(CtdlIPC *ipc,
1100 int is_reply, /* nonzero if this was a <R>eply command */
1102 int masquerade /* prompt for a non-default display name? */
1111 struct ctdlipcmessage message;
1112 unsigned long *msgarr = NULL;
1113 int r; /* IPC response code */
1114 int subject_required = 0;
1117 scr_printf("You may not enter messages in this type of room.\n");
1128 strcpy(subject, "");
1131 * First, check to see if we have permission to enter a message in
1132 * this room. The server will return an error code if we can't.
1134 strcpy(message.recipient, "");
1135 strcpy(message.author, "");
1136 strcpy(message.subject, "");
1137 strcpy(message.references, "");
1138 message.text = ""; /* point to "", changes later */
1139 message.anonymous = 0;
1140 message.type = mode;
1143 newprompt("Display name for this message: ", message.author, 40);
1146 r = CtdlIPCPostMessage(ipc, 0, &subject_required, &message, buf);
1148 if (r / 100 != 2 && r / 10 != 57) {
1149 scr_printf("%s\n", buf);
1153 /* Error code 570 is special. It means that we CAN enter a message
1154 * in this room, but a recipient needs to be specified.
1161 /* If the user is a dumbass, tell them how to type. */
1162 if ((userflags & US_EXPERT) == 0) {
1163 formout(ipc, "entermsg");
1166 /* Handle the selection of a recipient, if necessary. */
1168 if (need_recp == 1) {
1169 if (axlevel >= AxProbU) {
1171 strcpy(buf, reply_to);
1173 scr_printf("Enter recipient: ");
1174 ctdl_getline(buf, (SIZ-100) );
1175 if (IsEmptyStr(buf))
1179 strcpy(buf, "sysop");
1181 strcpy(message.recipient, buf);
1185 if (!IsEmptyStr(reply_subject)) {
1186 if (!strncasecmp(reply_subject,
1188 strcpy(message.subject, reply_subject);
1191 snprintf(message.subject,
1192 sizeof message.subject,
1198 /* Trim down excessively long lists of thread references. We eliminate the
1199 * second one in the list so that the thread root remains intact.
1201 int rrtok = num_tokens(reply_references, '|');
1202 int rrlen = strlen(reply_references);
1203 if ( ((rrtok >= 3) && (rrlen > 900)) || (rrtok > 10) ) {
1204 remove_token(reply_references, 1, '|');
1207 snprintf(message.references, sizeof message.references, "%s%s%s",
1209 (IsEmptyStr(reply_references) ? "" : "|"),
1214 if (room_flags & QR_ANONOPT) {
1215 scr_printf("Anonymous (Y/N)? ");
1217 message.anonymous = 1;
1220 /* If it's mail, we've got to check the validity of the recipient... */
1221 if (!IsEmptyStr(message.recipient)) {
1222 r = CtdlIPCPostMessage(ipc, 0, &subject_required, &message, buf);
1224 scr_printf("%s\n", buf);
1229 /* Learn the number of the newest message in in the room, so we can
1230 * tell upon saving whether someone else has posted too.
1233 r = CtdlIPCGetMessages(ipc, LastMessages, 1, NULL, &msgarr, buf);
1235 scr_printf("%s\n", buf);
1237 for (num_msgs = 0; msgarr[num_msgs]; num_msgs++)
1241 /* Now compose the message... */
1242 if (client_make_message(ipc, temp, message.recipient,
1243 message.anonymous, 0, c, message.subject, subject_required) != 0) {
1244 if (msgarr) free(msgarr);
1248 /* Reopen the temp file that was created, so we can send it */
1249 fp = fopen(temp, "r");
1251 if (!fp || !(message.text = load_message_from_file(fp))) {
1252 err_printf("*** Internal error while trying to save message!\n"
1254 temp, strerror(errno));
1261 /* Break lines that are >1024 characters, otherwise the server
1262 * will truncate them.
1264 break_big_lines(message.text);
1266 /* Transmit message to the server */
1267 r = CtdlIPCPostMessage(ipc, 1, NULL, &message, buf);
1269 scr_printf("%s\n", buf);
1273 /* Yes, unlink it now, so it doesn't stick around if we crash */
1276 if (num_msgs >= 1) highmsg = msgarr[num_msgs - 1];
1278 if (msgarr) free(msgarr);
1280 r = CtdlIPCGetMessages(ipc, NewMessages, 0, NULL, &msgarr, buf);
1282 scr_printf("%s\n", buf);
1284 for (num_msgs = 0; msgarr[num_msgs]; num_msgs++)
1288 /* get new highest message number in room to set lrp for goto... */
1289 maxmsgnum = msgarr[num_msgs - 1];
1291 /* now see if anyone else has posted in here */
1293 for (a = 0; a < num_msgs; ++a) {
1294 if (msgarr[a] > highmsg) {
1298 if (msgarr) free(msgarr);
1301 /* In the Mail> room, this algorithm always counts one message
1302 * higher than in public rooms, so we decrement it by one.
1309 scr_printf("*** 1 additional message has been entered "
1310 "in this room by another user.\n");
1313 scr_printf("*** %d additional messages have been entered "
1314 "in this room by other users.\n", b);
1322 * Do editing on a quoted file
1324 void process_quote(void)
1326 FILE *qfile, *tfile;
1328 int line, qstart, qend;
1330 /* Unlink the second temp file as soon as it's opened, so it'll get
1331 * deleted even if the program dies
1333 qfile = fopen(temp2, "r");
1336 /* Display the quotable text with line numbers added */
1338 if (fgets(buf, 128, qfile) == NULL) {
1339 /* we're skipping a line here */
1341 while (fgets(buf, 128, qfile) != NULL) {
1342 scr_printf("%3d %s", ++line, buf);
1344 scr_printf("Begin quoting at [1] : ");
1345 ctdl_getline(buf, 4);
1346 qstart = (buf[0] == 0) ? (1) : atoi(buf);
1347 scr_printf(" End quoting at [%d] : ", line);
1348 ctdl_getline(buf, 4);
1349 qend = (buf[0] == 0) ? (line) : atoi(buf);
1352 if (fgets(buf, 128, qfile) == NULL) {
1353 /* we're skipping a line here */
1355 tfile = fopen(temp, "w");
1356 while (fgets(buf, 128, qfile) != NULL) {
1357 if ((++line >= qstart) && (line <= qend))
1358 fprintf(tfile, " >%s", buf);
1360 fprintf(tfile, " \n");
1369 * List the URL's which were embedded in the previous message
1371 void list_urls(CtdlIPC *ipc)
1377 if (num_urls == 0) {
1378 scr_printf("There were no URL's in the previous message.\n\n");
1382 for (i = 0; i < num_urls; ++i) {
1383 scr_printf("%3d %s\n", i + 1, urls[i]);
1386 if ((i = num_urls) != 1)
1387 i = intprompt("Display which one", 1, 1, num_urls);
1389 snprintf(cmd, sizeof cmd, rc_url_cmd, urls[i - 1]);
1396 * Run image viewer in background
1398 int do_image_view(const char *filename)
1403 snprintf(cmd, sizeof cmd, imagecmd, filename);
1410 if (childpid == 0) {
1412 pid_t grandchildpid;
1414 grandchildpid = fork();
1415 if (grandchildpid < 0) {
1416 return grandchildpid;
1419 if (grandchildpid == 0) {
1424 nullfd = open("/dev/null", O_WRONLY);
1431 retcode = system(cmd);
1441 if (grandchildpid > 0) {
1449 waitpid(childpid, &retcode, 0);
1458 * View an image attached to a message
1460 void image_view(CtdlIPC *ipc, unsigned long msg)
1462 struct parts *ptr = last_message_parts;
1466 /* Run through available parts */
1467 for (ptr = last_message_parts; ptr; ptr = ptr->next) {
1468 if ((!strcasecmp(ptr->disposition, "attachment")
1469 || !strcasecmp(ptr->disposition, "inline"))
1470 && !strncmp(ptr->mimetype, "image/", 6)) {
1473 strcpy(part, ptr->number);
1480 strprompt("View which part (0 when done)", part, SIZ-1);
1482 for (ptr = last_message_parts; ptr; ptr = ptr->next) {
1483 if ((!strcasecmp(ptr->disposition, "attachment")
1484 || !strcasecmp(ptr->disposition, "inline"))
1485 && !strncmp(ptr->mimetype, "image/", 6)
1486 && !strcasecmp(ptr->number, part)) {
1489 void *file = NULL; /* The downloaded file */
1494 r = CtdlIPCAttachmentDownload(ipc, msg, ptr->number, &file, progress, buf);
1496 scr_printf("%s\n", buf);
1500 len = (size_t)extract_long(buf, 0);
1501 progress(ipc, len, len);
1503 CtdlMakeTempFileName(tmp, sizeof tmp);
1504 strcat(tmp, ptr->filename);
1505 save_buffer(file, len, tmp);
1519 * Read the messages in the current room
1521 void readmsgs(CtdlIPC *ipc,
1522 enum MessageList c, /* see listing in citadel_ipc.h */
1523 enum MessageDirection rdir, /* 1=Forward (-1)=Reverse */
1524 int q /* Number of msgs to read (if c==3) */
1526 int a, b, e, f, g, start;
1532 char prtfile[PATH_MAX];
1535 char targ[ROOMNAMELEN];
1536 char filename[PATH_MAX];
1537 char save_to[PATH_MAX];
1538 void *attachment = NULL; /* Downloaded attachment */
1539 FILE *dest = NULL; /* Alternate destination other than screen */
1540 int r; /* IPC response code */
1541 static int att_seq = 0; /* Attachment download sequence number */
1542 int rv = 0; /* silence the stupid warn_unused_result warnings */
1549 CtdlMakeTempFileName(prtfile, sizeof prtfile);
1555 r = CtdlIPCGetMessages(ipc, c, q, NULL, &msg_arr, cmd);
1557 scr_printf("%s\n", cmd);
1559 for (num_msgs = 0; msg_arr[num_msgs]; num_msgs++)
1563 if (num_msgs == 0) { /* TODO look at this later */
1564 if (c == LastMessages) return;
1565 scr_printf("*** There are no ");
1566 if (c == NewMessages) scr_printf("new ");
1567 if (c == OldMessages) scr_printf("old ");
1568 scr_printf("messages in this room.\n");
1574 /* this loop cycles through each message... */
1575 start = ((rdir == 1) ? 0 : (num_msgs - 1));
1576 for (a = start; ((a < num_msgs) && (a >= 0)); a = a + rdir) {
1577 while (msg_arr[a] == 0L) {
1579 if ((a == num_msgs) || (a == (-1)))
1583 RAGAIN: pagin = ((arcflag == 0)
1585 && (userflags & US_PAGINATOR)) ? 1 : 0;
1587 /* If we're doing a quote, set the screenwidth to 72 */
1589 hold_sw = screenwidth;
1593 /* If printing or archiving, set the screenwidth to 80 */
1595 hold_sw = screenwidth;
1599 /* clear parts list */
1600 free_parts(last_message_parts);
1601 last_message_parts = NULL;
1603 /* now read the message... */
1604 e = read_message(ipc, msg_arr[a], pagin, dest);
1606 /* ...and set the screenwidth back if we have to */
1607 if ((quotflag) || (arcflag)) {
1608 screenwidth = hold_sw;
1610 RMSGREAD: scr_flush();
1611 highest_msg_read = msg_arr[a];
1616 enable_color = hold_color;
1625 enable_color = hold_color;
1628 if (freopen(prtfile, "r", stdin) == NULL) {
1629 /* we probably should handle the error condition here */
1632 stty_ctdl(SB_RESTORE);
1633 ka_system(printcmd);
1634 stty_ctdl(SB_NO_INTR);
1642 } while ((g != f) && (g >= 0));
1643 scr_printf("Message printed.\n");
1645 if (rc_alt_semantics && c == 1) {
1648 r = CtdlIPCSetMessageSeen(ipc, msg_arr[a], 1, buf);
1652 if (((userflags & US_NOPROMPT) || (e == SIGINT))
1653 && (((room_flags & QR_MAILBOX) == 0)
1654 || (rc_force_mail_prompts == 0))) {
1659 color(BRIGHT_WHITE);
1660 scr_printf("%d", num_msgs - a - 1);
1664 keyopt("<B>ack <A>gain <R>eply reply<Q>uoted <N>ext <S>top ");
1665 if (rc_url_cmd[0] && num_urls)
1666 keyopt("<U>RLview ");
1667 if (has_images > 0 && !IsEmptyStr(imagecmd))
1668 keyopt("<I>mages ");
1669 keyopt("<?>help -> ");
1673 e = (inkey() & 127);
1675 /* return key same as <N> */ if (e == 10)
1677 /* space key same as <N> */ if (e == 32)
1679 /* del/move for aides only */
1680 if ( (!is_room_aide)
1681 && ((room_flags & QR_MAILBOX) == 0)
1682 && ((room_flags2 & QR2_COLLABDEL) == 0)
1684 if ((e == 'd') || (e == 'm'))
1687 /* print only if available */
1688 if ((e == 'p') && (IsEmptyStr(printcmd)))
1690 /* can't file if not allowed */
1692 && (rc_allow_attachments == 0))
1694 /* link only if browser avail*/
1696 && (IsEmptyStr(rc_url_cmd)))
1699 && (IsEmptyStr(imagecmd) || !has_images))
1701 } while ((e != 'a') && (e != 'n') && (e != 's')
1702 && (e != 'd') && (e != 'm') && (e != 'p')
1703 && (e != 'q') && (e != 'b') && (e != 'h')
1704 && (e != 'r') && (e != 'f') && (e != '?')
1705 && (e != 'u') && (e != 'c') && (e != 'y')
1706 && (e != 'i') && (e != 'o') );
1712 scr_printf("Again");
1715 scr_printf("Delete");
1727 scr_printf("Print");
1730 scr_printf("reply Quoted");
1736 scr_printf("Header");
1739 scr_printf("Reply");
1742 scr_printf("Open attachments");
1748 scr_printf("URL's");
1751 scr_printf("mY next");
1756 scr_printf("? <help>");
1759 if (userflags & US_DISAPPEAR || e == 'i')
1760 scr_printf("\r%79s\r", "");
1765 DONE_QUOTING: switch (e) {
1767 scr_printf("Options available here:\n"
1768 " ? Help (prints this message)\n"
1769 " S Stop reading immediately\n"
1770 " A Again (repeats last message)\n"
1771 " N Next (continue with next message)\n"
1772 " Y My Next (continue with next message you authored)\n"
1773 " B Back (go back to previous message)\n");
1775 || (room_flags & QR_MAILBOX)
1776 || (room_flags2 & QR2_COLLABDEL)
1778 scr_printf(" D Delete this message\n"
1779 " M Move message to another room\n");
1781 scr_printf(" C Copy message to another room\n");
1782 if (!IsEmptyStr(printcmd))
1783 scr_printf(" P Print this message\n");
1785 " Q Reply to this message, quoting portions of it\n"
1786 " H Headers (display message headers only)\n");
1788 scr_printf(" R Reply to this message\n");
1789 if (rc_allow_attachments) {
1790 scr_printf(" O (Open attachments)\n");
1791 scr_printf(" F (save attachments to a File)\n");
1793 if (!IsEmptyStr(rc_url_cmd))
1794 scr_printf(" U (list URL's for display)\n");
1795 if (!IsEmptyStr(imagecmd) && has_images > 0)
1796 scr_printf(" I Image viewer\n");
1801 dest = fopen(prtfile, "w");
1803 hold_color = enable_color;
1808 dest = fopen(temp2, "w");
1810 hold_color = enable_color;
1822 newprompt("Enter target room: ",
1823 targ, ROOMNAMELEN - 1);
1824 if (!IsEmptyStr(targ)) {
1825 r = CtdlIPCMoveMessage(ipc, (e == 'c' ? 1 : 0),
1826 msg_arr[a], targ, cmd);
1827 scr_printf("%s\n", cmd);
1833 if (r / 100 != 2) /* r will be init'ed, FIXME */
1834 goto RMSGREAD; /* the logic here sucks */
1838 newprompt("Which section? ", filename, ((sizeof filename) - 1));
1839 r = CtdlIPCAttachmentDownload(ipc, msg_arr[a],
1840 filename, &attachment, progress, cmd);
1842 scr_printf("%s\n", cmd);
1844 extract_token(filename, cmd, 2, '|', sizeof filename);
1846 * Part 1 won't have a filename; use the
1847 * subject of the message instead. IO
1849 if (IsEmptyStr(filename)) {
1850 strcpy(filename, reply_subject);
1852 if (e == 'o') { /* open attachment */
1853 mkdir(tempdir, 0700);
1854 snprintf(save_to, sizeof save_to, "%s/%04x.%s",
1858 save_buffer(attachment, extract_unsigned_long(cmd, 0), save_to);
1859 snprintf(cmd, sizeof cmd, rc_open_cmd, save_to);
1862 else { /* save attachment to disk */
1863 destination_directory(save_to, filename);
1864 save_buffer(attachment, extract_unsigned_long(cmd, 0), save_to);
1873 scr_printf("*** Delete this message? ");
1875 r = CtdlIPCDeleteMessage(ipc, msg_arr[a], cmd);
1876 scr_printf("%s\n", cmd);
1884 read_message(ipc, msg_arr[a], READ_HEADER, NULL);
1887 savedpos = num_msgs;
1888 entmsg(ipc, 1, ((userflags & US_EXTEDIT) ? 2 : 0), 0);
1889 num_msgs = savedpos;
1895 image_view(ipc, msg_arr[a]);
1898 { /* hack hack hack */
1899 /* find the next message by me, stay here if we find nothing */
1902 for (finda = (a + rdir); ((finda < num_msgs) && (finda >= 0)); finda += rdir)
1904 /* This is repetitively dumb, but that's what computers are for.
1905 We have to load up messages until we find one by us */
1908 struct ctdlipcmessage *msg = NULL;
1910 /* read the header so we can get 'from=' */
1911 r = CtdlIPCGetSingleMessage(ipc, msg_arr[finda], 1, 0, &msg, buf);
1912 if (!strncasecmp(msg->author, fullname, sizeof(fullname))) {
1913 a = lasta; /* meesa current */
1921 lasta = finda; /* keep one behind or we skip on the reentrance to the for */
1925 } /* end for loop */
1926 } /* end read routine */
1932 * View and edit a system message
1934 void edit_system_message(CtdlIPC *ipc, char *which_message)
1938 char write_cmd[SIZ];
1940 snprintf(desc, sizeof desc, "system message '%s'", which_message);
1941 snprintf(read_cmd, sizeof read_cmd, "MESG %s", which_message);
1942 snprintf(write_cmd, sizeof write_cmd, "EMSG %s", which_message);
1943 do_edit(ipc, desc, read_cmd, "NOOP", write_cmd);
1950 * Verify the message base
1952 void check_message_base(CtdlIPC *ipc)
1955 char *transcript = NULL;
1956 int r; /* IPC response code */
1959 ("Please read the documentation before running this command.\n"
1960 "Having done so, do you still want to check the message base? ");
1964 r = CtdlIPCMessageBaseCheck(ipc, &transcript, buf);
1966 scr_printf("%s\n", buf);
1970 while (transcript && !IsEmptyStr(transcript)) {
1972 extract_token(buf, transcript, 0, '\n', sizeof buf);
1973 remove_token(transcript, 0, '\n');
1974 pprintf("%s\n", buf);
1976 if (transcript) free(transcript);
1982 * Loads the contents of a file into memory. Caller must free the allocated
1985 char *load_message_from_file(FILE *src)
1991 fseek(src, 0, SEEK_END);
1995 dest = (char *)calloc(1, i + 1);
2002 g = fread(dest + got, 1, i - got, src);
2005 /* Interrupted system call, keep going */
2008 /* At this point we have either EOF or error */