2 * Text client functions for reading and writing of messages
4 * Copyright (c) 1987-2018 by the citadel.org team
6 * This program is open source software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 3.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
15 #include "textclient.h"
17 #define MAXWORDBUF SIZ
18 #define NO_REPLY_TO "nobody ... xxxxxx"
21 char reply_subject[SIZ];
22 char reply_references[SIZ];
23 char reply_inreplyto[SIZ];
27 char text[MAXWORDBUF];
30 void stty_ctdl(int cmd);
31 int haschar(const char *st, int ch);
32 int file_checksum(char *filename);
33 void progress(CtdlIPC* ipc, unsigned long curr, unsigned long cmax);
35 unsigned long *msg_arr = NULL;
38 extern char room_name[];
39 extern char tempdir[];
40 extern unsigned room_flags;
41 extern unsigned room_flags2;
43 extern long highest_msg_read;
46 extern int screenwidth;
47 extern int screenheight;
48 extern long maxmsgnum;
51 extern char is_room_aide;
52 extern char fullname[];
54 extern unsigned userflags;
55 extern char sigcaught;
56 extern char printcmd[];
57 extern int rc_allow_attachments;
58 extern int rc_display_message_numbers;
59 extern int rc_force_mail_prompts;
60 extern int editor_pid;
61 extern CtdlIPC *ipc_for_signal_handlers; /* KLUDGE cover your eyes */
63 char urls[MAXURLS][SIZ];
65 int has_images = 0; /* Current msg has images */
66 struct parts *last_message_parts = NULL; /* Parts from last msg */
70 void ka_sigcatch(int signum)
73 signal(SIGALRM, ka_sigcatch);
74 CtdlIPCNoop(ipc_for_signal_handlers);
79 * server keep-alive version of wait() (needed for external editor)
81 pid_t ka_wait(int *kstatus)
86 signal(SIGALRM, ka_sigcatch);
90 } while (errno == EINTR);
91 signal(SIGALRM, SIG_IGN);
98 * version of system() that uses ka_wait()
100 int ka_system(char *shc)
109 perror("Cannot fork");
111 return ((pid_t) childpid);
115 execlp("/bin/sh", "sh", "-c", shc, NULL);
121 waitpid = ka_wait(&retcode);
122 } while (waitpid != childpid);
132 * add a newline to the buffer...
134 void add_newline(struct cittext *textlist)
139 while (ptr->next != NULL)
142 while (ptr->text[strlen(ptr->text) - 1] == 32)
143 ptr->text[strlen(ptr->text) - 1] = 0;
144 /* strcat(ptr->text,"\n"); */
146 ptr->next = (struct cittext *)
147 malloc(sizeof(struct cittext));
150 strcpy(ptr->text, "");
155 * add a word to the buffer...
157 void add_word(struct cittext *textlist, char *wordbuf)
162 while (ptr->next != NULL)
165 if (3 + strlen(ptr->text) + strlen(wordbuf) > screenwidth) {
166 ptr->next = (struct cittext *)
167 malloc(sizeof(struct cittext));
170 strcpy(ptr->text, "");
173 strcat(ptr->text, wordbuf);
174 strcat(ptr->text, " ");
179 * begin editing of an opened file pointed to by fp
181 void citedit(FILE *fp)
183 int a, prev, finished, b, last_space;
185 struct cittext *textlist = NULL;
187 char wordbuf[MAXWORDBUF];
190 /* first, load the text into the buffer */
192 textlist = (struct cittext *) malloc(sizeof(struct cittext));
193 textlist->next = NULL;
194 strcpy(textlist->text, "");
198 while (a = getc(fp), a >= 0) {
200 if ((a == 32) || (a == 9) || (a == 13) || (a == 10)) {
201 add_word(textlist, wordbuf);
203 if ((prev == 13) || (prev == 10)) {
204 add_word(textlist, "\n");
205 add_newline(textlist);
206 add_word(textlist, "");
209 wordbuf[strlen(wordbuf) + 1] = 0;
210 wordbuf[strlen(wordbuf)] = a;
212 if (strlen(wordbuf) + 3 > screenwidth) {
213 add_word(textlist, wordbuf);
221 prev = (appending ? 13 : (-1));
232 if ((a != 32) && (prev == 13)) {
233 add_word(textlist, "\n");
237 if ((a == 32) && (prev == 13)) {
238 add_word(textlist, "\n");
239 add_newline(textlist);
243 if (!IsEmptyStr(wordbuf)) {
244 wordbuf[strlen(wordbuf) - 1] = 0;
249 } else if (a == 23) {
251 wordbuf[strlen(wordbuf) - 1] = 0;
255 } while (!IsEmptyStr(wordbuf) && wordbuf[strlen(wordbuf) - 1] != ' ');
256 } else if (a == 13) {
258 if (IsEmptyStr(wordbuf))
261 for (b = 0; b < strlen(wordbuf); ++b)
262 if (wordbuf[b] == 32) {
270 add_word(textlist, wordbuf);
275 wordbuf[strlen(wordbuf) + 1] = 0;
276 wordbuf[strlen(wordbuf)] = a;
278 if ((strlen(wordbuf) + 3) > screenwidth) {
280 for (b = 0; b < strlen(wordbuf); ++b)
281 if (wordbuf[b] == 32)
283 if (last_space >= 0) {
284 for (b = 0; b < strlen(wordbuf); ++b)
285 if (wordbuf[b] == 32) {
293 for (b = 0; b < strlen(wordbuf); ++b) {
298 scr_printf("\n%s", wordbuf);
300 add_word(textlist, wordbuf);
306 } while (finished == 0);
308 /* write the buffer back to disk */
310 for (ptr = textlist; ptr != NULL; ptr = ptr->next) {
311 fprintf(fp, "%s", ptr->text);
315 rv = ftruncate(fileno(fp), ftell(fp));
317 scr_printf("failed to set message buffer: %s\n", strerror(errno));
320 /* and deallocate the memory we used */
321 while (textlist != NULL) {
322 ptr = textlist->next;
330 * Free the struct parts
332 void free_parts(struct parts *p)
334 struct parts *a_part = p;
340 a_part = a_part->next;
347 * This is a mini RFC2047 decoder.
348 * It only handles strings encoded from UTF-8 as Quoted-printable.
350 void mini_2047_decode(char *s) {
353 char *qstart = strstr(s, "=?UTF-8?Q?");
356 char *qend = strstr(s, "?=");
359 if (qend <= qstart) return;
361 strcpy(qstart, &qstart[10]);
374 sscanf(ch, "%02x", &c);
376 strcpy(&p[1], &p[3]);
387 strcpy(qend, &qend[2]);
391 * Read a message from the server
393 int read_message(CtdlIPC *ipc,
394 long num, /* message number */
395 int pagin, /* 0 = normal read, 1 = read with pagination, 2 = header */
396 FILE *dest) /* Destination file, NULL for screen */
403 struct ctdlipcmessage *message = NULL;
404 int r; /* IPC response code */
405 char *converted_text = NULL;
412 int final_line_is_blank = 0;
419 strcpy(reply_to, NO_REPLY_TO);
420 strcpy(reply_subject, "");
421 strcpy(reply_references, "");
422 strcpy(reply_inreplyto, "");
424 r = CtdlIPCGetSingleMessage(ipc, num, (pagin == READ_HEADER ? 1 : 0), 4, &message, buf);
426 scr_printf("*** msg #%ld: %d %s\n", num, r, buf);
429 free_parts(message->attachments);
436 fprintf(dest, "\n ");
446 if (pagin == 1 && !dest)
451 /* View headers only */
453 scr_printf("nhdr=%s\nfrom=%s\ntype=%d\nmsgn=%s\n",
454 message->nhdr ? "yes" : "no",
455 message->author, message->type,
457 if (!IsEmptyStr(message->subject)) {
458 scr_printf("subj=%s\n", message->subject);
460 if (!IsEmptyStr(message->email)) {
461 scr_printf("rfca=%s\n", message->email);
463 scr_printf("room=%s\ntime=%s",
465 asctime(localtime(&message->time))
467 if (!IsEmptyStr(message->recipient)) {
468 scr_printf("rcpt=%s\n", message->recipient);
470 if (message->attachments) {
473 for (ptr = message->attachments; ptr; ptr = ptr->next) {
474 scr_printf("part=%s|%s|%s|%s|%s|%ld\n",
475 ptr->name, ptr->filename, ptr->number,
476 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, " ****");
509 localtime_r(&message->time, &thetime);
510 strftime(now, sizeof now, "%F %R", &thetime);
512 fprintf(dest, "%s from %s ", now, message->author);
513 if (!IsEmptyStr(message->email)) {
514 fprintf(dest, "<%s> ", message->email);
518 scr_printf("%s ", now);
522 scr_printf("%s ", message->author);
523 if (!IsEmptyStr(message->email)) {
527 scr_printf("%s", message->email);
532 if (strcasecmp(message->room, room_name) && (IsEmptyStr(message->email))) {
534 fprintf(dest, "in %s> ", message->room);
538 color(BRIGHT_MAGENTA);
539 scr_printf("%s> ", message->room);
542 if (!IsEmptyStr(message->recipient)) {
544 fprintf(dest, "to %s ", message->recipient);
549 scr_printf("%s ", message->recipient);
560 /* Set the reply-to address to an Internet e-mail address if possible
562 if ((message->email != NULL) && (!IsEmptyStr(message->email))) {
563 if (!IsEmptyStr(message->author)) {
564 snprintf(reply_to, sizeof reply_to, "%s <%s>", message->author, message->email);
567 safestrncpy(reply_to, message->email, sizeof reply_to);
571 /* But if we can't do that, set it to a Citadel address.
573 if (!strcmp(reply_to, NO_REPLY_TO)) {
574 safestrncpy(reply_to, message->author, sizeof(reply_to));
577 if (message->msgid != NULL) {
578 safestrncpy(reply_inreplyto, message->msgid, sizeof reply_inreplyto);
581 if (message->references != NULL) if (!IsEmptyStr(message->references)) {
582 safestrncpy(reply_references, message->references, sizeof reply_references);
585 if (message->subject != NULL) {
586 safestrncpy(reply_subject, message->subject, sizeof reply_subject);
587 if (!IsEmptyStr(message->subject)) {
589 fprintf(dest, "Subject: %s\n", message->subject);
592 scr_printf("Subject: ");
594 mini_2047_decode(message->subject);
595 scr_printf("%s\n", message->subject);
600 if (pagin == 1 && !dest) {
604 /******* end of header output, start of message text output *******/
607 * Convert HTML to plain text, formatting for the actual width
608 * of the client screen.
610 if (!strcasecmp(message->content_type, "text/html")) {
611 converted_text = html_to_ascii(message->text, 0, screenwidth, 0);
612 if (converted_text != NULL) {
614 message->text = converted_text;
619 /* Text/plain is a different type */
620 if (!strcasecmp(message->content_type, "text/plain")) {
624 /* Render text/x-markdown as plain text */
625 if (!strcasecmp(message->content_type, "text/x-markdown")) {
630 static char *urlprefixes[] = {
636 num_urls = 0; /* Start with a clean slate */
637 for (p=0; p<(sizeof urlprefixes / sizeof(char *)); ++p) {
638 searchptr = message->text;
639 while ( (searchptr != NULL) && (num_urls < MAXURLS) ) {
640 searchptr = strstr(searchptr, urlprefixes[p]);
641 if (searchptr != NULL) {
642 safestrncpy(urls[num_urls], searchptr, sizeof(urls[num_urls]));
643 for (i = 0; i < strlen(urls[num_urls]); i++) {
644 ch = urls[num_urls][i];
645 if (ch == '>' || ch == '\"' || ch == ')' ||
646 ch == ' ' || ch == '\n') {
647 urls[num_urls][i] = 0;
660 if (format_type == 0) {
661 fr = fmout(screenwidth, NULL, message->text, dest, 1);
663 /* renderer for text/plain */
665 lineptr = message->text;
668 nextline = strchr(lineptr, '\n');
669 if (nextline != NULL) {
672 if (*nextline == 0) nextline = NULL;
675 if (sigcaught == 0) {
676 linelen = strlen(lineptr);
677 if (linelen && (lineptr[linelen-1] == '\r')) {
678 lineptr[--linelen] = 0;
681 fprintf(dest, "%s\n", lineptr);
683 scr_printf("%s\n", lineptr);
686 if (lineptr[0] == 0) final_line_is_blank = 1;
687 else final_line_is_blank = 0;
692 if (!final_line_is_blank) {
702 /* Enumerate any attachments */
703 if ( (pagin == 1) && (message->attachments) ) {
706 for (ptr = message->attachments; ptr; ptr = ptr->next) {
707 if ( (!strcasecmp(ptr->disposition, "attachment"))
708 || (!strcasecmp(ptr->disposition, "inline"))
709 || (!strcasecmp(ptr->disposition, ""))
711 if ( (strcasecmp(ptr->number, message->mime_chosen))
712 && (!IsEmptyStr(ptr->mimetype))
716 color(BRIGHT_MAGENTA);
717 scr_printf("%s", ptr->number);
721 scr_printf("%s", ptr->filename);
723 scr_printf(" (%s, %ld bytes)\n", ptr->mimetype, ptr->length);
724 if (!strncmp(ptr->mimetype, "image/", 6)) {
732 /* Save the attachments info for later */
733 last_message_parts = message->attachments;
739 if (pagin == 1 && !dest)
746 * replace string function for the built-in editor
748 void replace_string(char *filename, long int startpos)
757 int substitutions = 0;
761 newprompt("Enter text to be replaced: ", srch_str, (sizeof(srch_str)-1) );
762 if (IsEmptyStr(srch_str)) {
766 newprompt("Enter text to replace it with: ", rplc_str, (sizeof(rplc_str)-1) );
768 fp = fopen(filename, "r+");
774 fseek(fp, startpos, 0);
776 while (a = getc(fp), a > 0) {
778 buf[strlen(buf) + 1] = 0;
779 buf[strlen(buf)] = a;
780 if (strlen(buf) >= strlen(srch_str)) {
781 ptr = (&buf[strlen(buf) - strlen(srch_str)]);
782 if (!strncmp(ptr, srch_str, strlen(srch_str))) {
783 strcpy(ptr, rplc_str);
787 if (strlen(buf) > 384) {
790 rv = fwrite((char *) buf, 128, 1, fp);
792 scr_printf("failed to replace string: %s\n", strerror(errno));
795 strcpy(buf, &buf[128]);
801 if (!IsEmptyStr(buf)) {
802 rv = fwrite((char *) buf, strlen(buf), 1, fp);
806 rv = truncate(filename, wpos);
807 scr_printf("<R>eplace made %d substitution(s).\n\n", substitutions);
811 * Function to begin composing a new message
813 int client_make_message(CtdlIPC *ipc,
814 char *filename, /* temporary file name */
815 char *recipient, /* NULL if it's not mail */
819 char *subject, /* buffer to store subject line */
829 if ( (mode == 2) && (IsEmptyStr(editor_path)) ) {
830 scr_printf("*** No editor available; using built-in editor.\n");
835 time_t now = time(NULL);
836 localtime_r(&now, &thetime);
837 strftime(datestr, sizeof datestr, "%F %R", &thetime);
840 if (room_flags & QR_ANONONLY && !recipient) {
841 snprintf(header, sizeof header, " ****");
844 snprintf(header, sizeof header,
847 (is_anonymous ? "[anonymous]" : fullname)
849 if (!IsEmptyStr(recipient)) {
850 size_t tmp = strlen(header);
851 snprintf(&header[tmp], sizeof header - tmp,
852 " to %s", recipient);
855 scr_printf("%s\n", header);
856 if (subject != NULL) if (!IsEmptyStr(subject)) {
857 scr_printf("Subject: %s\n", subject);
860 if ( (subject_required) && (IsEmptyStr(subject)) ) {
861 newprompt("Subject: ", subject, 70);
865 scr_printf("(Press ctrl-d when finished)\n");
869 fp = fopen(filename, "r");
871 fmout(screenwidth, fp, NULL, NULL, 0);
874 scr_printf("failed to get stream position %s\n",
878 fp = fopen(filename, "w");
880 scr_printf("*** Error opening temp file!\n %s: %s\n",
881 filename, strerror(errno)
892 fp = fopen(filename, "r+");
894 scr_printf("*** Error opening temp file!\n %s: %s\n",
895 filename, strerror(errno)
904 fp = fopen(filename, "a");
906 scr_printf("*** Error opening temp file!\n"
908 filename, strerror(errno));
928 default: /* allow 2+ modes */
929 e_ex_code = 1; /* start with a failed exit code */
930 stty_ctdl(SB_RESTORE);
932 cksum = file_checksum(filename);
933 if (editor_pid == 0) {
936 chmod(filename, 0600);
937 snprintf(tmp, sizeof tmp, "WINDOW_TITLE=%s", header);
939 execlp(editor_path, editor_path, filename, NULL);
945 b = ka_wait(&e_ex_code);
946 } while ((b != editor_pid) && (b >= 0));
952 MECR: if (mode >= 2) {
953 if (file_checksum(filename) == cksum) {
954 scr_printf("*** Aborted message.\n");
957 if (e_ex_code == 0) {
963 b = keymenu("Entry command (? for options)",
973 if (b == 'a') goto MEABT;
974 if (b == 'c') goto ME1;
975 if (b == 's') goto MEFIN;
977 scr_printf(" %s from %s", datestr, fullname);
978 if (!IsEmptyStr(recipient)) {
979 scr_printf(" to %s", recipient);
982 if (subject != NULL) if (!IsEmptyStr(subject)) {
983 scr_printf("Subject: %s\n", subject);
985 fp = fopen(filename, "r");
987 fmout(screenwidth, fp, NULL, NULL, 0);
990 scr_printf("failed to get stream position %s\n",
997 replace_string(filename, 0L);
1004 if (subject != NULL) {
1005 newprompt("Subject: ", subject, 70);
1012 MEABT: scr_printf("Are you sure? ");
1016 MEABT2: unlink(filename);
1022 * Make sure there's room in msg_arr[] for at least one more.
1024 void check_msg_arr_size(void) {
1025 if ((num_msgs + 1) > msg_arr_size) {
1026 msg_arr_size += 512;
1027 msg_arr = realloc(msg_arr,
1028 ((sizeof(long)) * msg_arr_size) );
1034 * break_big_lines() - break up lines that are >1024 characters
1035 * otherwise the server will truncate
1037 void break_big_lines(char *msg) {
1046 while (strlen(ptr) > 1000) {
1047 break_here = strchr(&ptr[900], ' ');
1048 if ((break_here == NULL) || (break_here > &ptr[999])) {
1049 break_here = &ptr[999];
1058 * entmsg() - edit and create a message
1059 * returns 0 if message was saved
1061 int entmsg(CtdlIPC *ipc,
1062 int is_reply, /* nonzero if this was a <R>eply command */
1064 int masquerade /* prompt for a non-default display name? */
1073 struct ctdlipcmessage message;
1074 unsigned long *msgarr = NULL;
1075 int r; /* IPC response code */
1076 int subject_required = 0;
1079 scr_printf("You may not enter messages in this type of room.\n");
1090 strcpy(subject, "");
1093 * First, check to see if we have permission to enter a message in
1094 * this room. The server will return an error code if we can't.
1096 strcpy(message.recipient, "");
1097 strcpy(message.author, "");
1098 strcpy(message.subject, "");
1099 strcpy(message.references, "");
1100 message.text = ""; /* point to "", changes later */
1101 message.anonymous = 0;
1102 message.type = mode;
1105 newprompt("Display name for this message: ", message.author, 40);
1110 if (!IsEmptyStr(reply_subject)) {
1111 if (!strncasecmp(reply_subject,
1113 strcpy(message.subject, reply_subject);
1116 snprintf(message.subject,
1117 sizeof message.subject,
1123 /* Trim down excessively long lists of thread references. We eliminate the
1124 * second one in the list so that the thread root remains intact.
1126 int rrtok = num_tokens(reply_references, '|');
1127 int rrlen = strlen(reply_references);
1128 if ( ((rrtok >= 3) && (rrlen > 900)) || (rrtok > 10) ) {
1129 remove_token(reply_references, 1, '|');
1132 snprintf(message.references, sizeof message.references, "%s%s%s",
1134 (IsEmptyStr(reply_references) ? "" : "|"),
1139 r = CtdlIPCPostMessage(ipc, 0, &subject_required, &message, buf);
1141 if (r / 100 != 2 && r / 10 != 57) {
1142 scr_printf("%s\n", buf);
1146 /* Error code 570 is special. It means that we CAN enter a message
1147 * in this room, but a recipient needs to be specified.
1154 /* If the user is a dumbass, tell them how to type. */
1155 if ((userflags & US_EXPERT) == 0) {
1156 scr_printf("Entering message. Word wrap will give you soft linebreaks. Pressing the\n");
1157 scr_printf("'enter' key will give you a hard linebreak and an indent. Press 'enter' twice\n");
1158 scr_printf("when finished.\n");
1161 /* Handle the selection of a recipient, if necessary. */
1163 if (need_recp == 1) {
1164 if (axlevel >= AxProbU) {
1166 strcpy(buf, reply_to);
1168 newprompt("Enter recipient: ", buf, SIZ-100);
1169 if (IsEmptyStr(buf)) {
1174 strcpy(buf, "sysop");
1176 strcpy(message.recipient, buf);
1178 if (room_flags & QR_ANONOPT) {
1179 scr_printf("Anonymous (Y/N)? ");
1181 message.anonymous = 1;
1184 /* If it's mail, we've got to check the validity of the recipient... */
1185 if (!IsEmptyStr(message.recipient)) {
1186 r = CtdlIPCPostMessage(ipc, 0, &subject_required, &message, buf);
1188 scr_printf("%s\n", buf);
1193 /* Learn the number of the newest message in in the room, so we can
1194 * tell upon saving whether someone else has posted too.
1197 r = CtdlIPCGetMessages(ipc, LastMessages, 1, NULL, &msgarr, buf);
1199 scr_printf("%s\n", buf);
1201 for (num_msgs = 0; msgarr[num_msgs]; num_msgs++)
1205 /* Now compose the message... */
1206 if (client_make_message(ipc, temp, message.recipient,
1207 message.anonymous, 0, c, message.subject, subject_required) != 0) {
1208 if (msgarr) free(msgarr);
1212 /* Reopen the temp file that was created, so we can send it */
1213 fp = fopen(temp, "r");
1215 if (!fp || !(message.text = load_message_from_file(fp))) {
1216 scr_printf("*** Internal error while trying to save message!\n"
1218 temp, strerror(errno));
1225 /* Break lines that are >1024 characters, otherwise the server
1226 * will truncate them.
1228 break_big_lines(message.text);
1230 /* Transmit message to the server */
1231 r = CtdlIPCPostMessage(ipc, 1, NULL, &message, buf);
1233 scr_printf("%s\n", buf);
1237 /* Yes, unlink it now, so it doesn't stick around if we crash */
1240 if (num_msgs >= 1) highmsg = msgarr[num_msgs - 1];
1242 if (msgarr) free(msgarr);
1244 r = CtdlIPCGetMessages(ipc, NewMessages, 0, NULL, &msgarr, buf);
1246 scr_printf("%s\n", buf);
1248 for (num_msgs = 0; msgarr[num_msgs]; num_msgs++)
1252 /* get new highest message number in room to set lrp for goto... */
1253 maxmsgnum = msgarr[num_msgs - 1];
1255 /* now see if anyone else has posted in here */
1257 for (a = 0; a < num_msgs; ++a) {
1258 if (msgarr[a] > highmsg) {
1262 if (msgarr) free(msgarr);
1265 /* In the Mail> room, this algorithm always counts one message
1266 * higher than in public rooms, so we decrement it by one.
1273 scr_printf("*** 1 additional message has been entered "
1274 "in this room by another user.\n");
1277 scr_printf("*** %d additional messages have been entered "
1278 "in this room by other users.\n", b);
1286 * Do editing on a quoted file
1288 void process_quote(void)
1290 FILE *qfile, *tfile;
1292 int line, qstart, qend;
1294 /* Unlink the second temp file as soon as it's opened, so it'll get
1295 * deleted even if the program dies
1297 qfile = fopen(temp2, "r");
1300 /* Display the quotable text with line numbers added */
1302 if (fgets(buf, 128, qfile) == NULL) {
1303 /* we're skipping a line here */
1305 while (fgets(buf, 128, qfile) != NULL) {
1306 scr_printf("%3d %s", ++line, buf);
1309 qstart = intprompt("Begin quoting at", 1, 1, line);
1310 qend = intprompt(" End quoting at", line, qstart, line);
1314 if (fgets(buf, 128, qfile) == NULL) {
1315 /* we're skipping a line here */
1317 tfile = fopen(temp, "w");
1318 while (fgets(buf, 128, qfile) != NULL) {
1319 if ((++line >= qstart) && (line <= qend))
1320 fprintf(tfile, " >%s", buf);
1322 fprintf(tfile, " \n");
1331 * List the URL's which were embedded in the previous message
1333 void list_urls(CtdlIPC *ipc)
1339 if (num_urls == 0) {
1340 scr_printf("There were no URL's in the previous message.\n\n");
1344 for (i = 0; i < num_urls; ++i) {
1345 scr_printf("%3d %s\n", i + 1, urls[i]);
1348 if ((i = num_urls) != 1)
1349 i = intprompt("Display which one", 1, 1, num_urls);
1351 snprintf(cmd, sizeof cmd, rc_url_cmd, urls[i - 1]);
1354 scr_printf("failed to '%s' by %d\n", cmd, rv);
1360 * Run image viewer in background
1362 int do_image_view(const char *filename)
1367 snprintf(cmd, sizeof cmd, imagecmd, filename);
1374 if (childpid == 0) {
1376 pid_t grandchildpid;
1378 grandchildpid = fork();
1379 if (grandchildpid < 0) {
1380 return grandchildpid;
1383 if (grandchildpid == 0) {
1388 nullfd = open("/dev/null", O_WRONLY);
1395 retcode = system(cmd);
1405 if (grandchildpid > 0) {
1413 waitpid(childpid, &retcode, 0);
1422 * View an image attached to a message
1424 void image_view(CtdlIPC *ipc, unsigned long msg)
1426 struct parts *ptr = last_message_parts;
1430 /* Run through available parts */
1431 for (ptr = last_message_parts; ptr; ptr = ptr->next) {
1432 if ((!strcasecmp(ptr->disposition, "attachment")
1433 || !strcasecmp(ptr->disposition, "inline"))
1434 && !strncmp(ptr->mimetype, "image/", 6)) {
1437 strcpy(part, ptr->number);
1444 strprompt("View which part (0 when done)", part, SIZ-1);
1446 for (ptr = last_message_parts; ptr; ptr = ptr->next) {
1447 if ((!strcasecmp(ptr->disposition, "attachment")
1448 || !strcasecmp(ptr->disposition, "inline"))
1449 && !strncmp(ptr->mimetype, "image/", 6)
1450 && !strcasecmp(ptr->number, part)) {
1453 void *file = NULL; /* The downloaded file */
1458 r = CtdlIPCAttachmentDownload(ipc, msg, ptr->number, &file, progress, buf);
1460 scr_printf("%s\n", buf);
1464 len = (size_t)extract_long(buf, 0);
1465 progress(ipc, len, len);
1467 CtdlMakeTempFileName(tmp, sizeof tmp);
1468 strcat(tmp, ptr->filename);
1469 save_buffer(file, len, tmp);
1483 * Read the messages in the current room
1485 void readmsgs(CtdlIPC *ipc,
1486 enum MessageList c, /* see listing in citadel_ipc.h */
1487 enum MessageDirection rdir, /* 1=Forward (-1)=Reverse */
1488 int q /* Number of msgs to read (if c==3) */
1490 int a, e, f, g, start;
1496 char prtfile[PATH_MAX];
1499 char targ[ROOMNAMELEN];
1500 char filename[PATH_MAX];
1501 char save_to[PATH_MAX];
1502 void *attachment = NULL; /* Downloaded attachment */
1503 FILE *dest = NULL; /* Alternate destination other than screen */
1504 int r; /* IPC response code */
1505 static int att_seq = 0; /* Attachment download sequence number */
1506 int rv = 0; /* silence the stupid warn_unused_result warnings */
1508 CtdlMakeTempFileName(prtfile, sizeof prtfile);
1514 r = CtdlIPCGetMessages(ipc, c, q, NULL, &msg_arr, cmd);
1516 scr_printf("%s\n", cmd);
1518 for (num_msgs = 0; msg_arr[num_msgs]; num_msgs++)
1522 if (num_msgs == 0) { /* TODO look at this later */
1523 if (c == LastMessages) return;
1524 scr_printf("*** There are no ");
1525 if (c == NewMessages) scr_printf("new ");
1526 if (c == OldMessages) scr_printf("old ");
1527 scr_printf("messages in this room.\n");
1531 /* this loop cycles through each message... */
1532 start = ((rdir == 1) ? 0 : (num_msgs - 1));
1533 for (a = start; ((a < num_msgs) && (a >= 0)); a = a + rdir) {
1534 while (msg_arr[a] == 0L) {
1536 if ((a == num_msgs) || (a == (-1)))
1540 RAGAIN: pagin = ((arcflag == 0)
1542 && (userflags & US_PAGINATOR)) ? 1 : 0;
1544 /* If we're doing a quote, set the screenwidth to 72 */
1546 hold_sw = screenwidth;
1550 /* If printing or archiving, set the screenwidth to 80 */
1552 hold_sw = screenwidth;
1556 /* clear parts list */
1557 free_parts(last_message_parts);
1558 last_message_parts = NULL;
1560 /* now read the message... */
1561 e = read_message(ipc, msg_arr[a], pagin, dest);
1563 /* ...and set the screenwidth back if we have to */
1564 if ((quotflag) || (arcflag)) {
1565 screenwidth = hold_sw;
1568 highest_msg_read = msg_arr[a];
1573 enable_color = hold_color;
1582 enable_color = hold_color;
1585 if (freopen(prtfile, "r", stdin) == NULL) {
1586 /* we probably should handle the error condition here */
1588 stty_ctdl(SB_RESTORE);
1589 ka_system(printcmd);
1590 stty_ctdl(SB_NO_INTR);
1597 } while ((g != f) && (g >= 0));
1598 scr_printf("Message printed.\n");
1602 if (((userflags & US_NOPROMPT) || (e == SIGINT))
1603 && (((room_flags & QR_MAILBOX) == 0)
1604 || (rc_force_mail_prompts == 0))) {
1609 color(BRIGHT_WHITE);
1610 scr_printf("%d", num_msgs - a - 1);
1614 keyopt("<B>ack <A>gain <R>eply reply<Q>uoted <N>ext <S>top ");
1615 if (rc_url_cmd[0] && num_urls)
1616 keyopt("<U>RLview ");
1617 if (has_images > 0 && !IsEmptyStr(imagecmd))
1618 keyopt("<I>mages ");
1619 keyopt("<?>help -> ");
1622 e = (inkey() & 127);
1624 /* return key same as <N> */ if (e == 10)
1626 /* space key same as <N> */ if (e == 32)
1628 /* del/move for aides only */
1629 if ( (!is_room_aide)
1630 && ((room_flags & QR_MAILBOX) == 0)
1631 && ((room_flags2 & QR2_COLLABDEL) == 0)
1633 if ((e == 'd') || (e == 'm'))
1636 /* print only if available */
1637 if ((e == 'p') && (IsEmptyStr(printcmd)))
1639 /* can't file if not allowed */
1641 && (rc_allow_attachments == 0))
1643 /* link only if browser avail*/
1645 && (IsEmptyStr(rc_url_cmd)))
1648 && (IsEmptyStr(imagecmd) || !has_images))
1650 } while ((e != 'a') && (e != 'n') && (e != 's')
1651 && (e != 'd') && (e != 'm') && (e != 'p')
1652 && (e != 'q') && (e != 'b') && (e != 'h')
1653 && (e != 'r') && (e != 'f') && (e != '?')
1654 && (e != 'u') && (e != 'c') && (e != 'y')
1655 && (e != 'i') && (e != 'o') );
1661 scr_printf("Again");
1664 scr_printf("Delete");
1676 scr_printf("Print");
1679 scr_printf("reply Quoted");
1685 scr_printf("Header");
1688 scr_printf("Reply");
1691 scr_printf("Open attachments");
1697 scr_printf("URL's");
1700 scr_printf("mY next");
1705 scr_printf("? <help>");
1708 if (userflags & US_DISAPPEAR || e == 'i')
1709 scr_printf("\r%79s\r", "");
1713 DONE_QUOTING: switch (e) {
1715 scr_printf("Options available here:\n"
1716 " ? Help (prints this message)\n"
1717 " S Stop reading immediately\n"
1718 " A Again (repeats last message)\n"
1719 " N Next (continue with next message)\n"
1720 " Y My Next (continue with next message you authored)\n"
1721 " B Back (go back to previous message)\n");
1723 || (room_flags & QR_MAILBOX)
1724 || (room_flags2 & QR2_COLLABDEL)
1726 scr_printf(" D Delete this message\n"
1727 " M Move message to another room\n");
1729 scr_printf(" C Copy message to another room\n");
1730 if (!IsEmptyStr(printcmd))
1731 scr_printf(" P Print this message\n");
1733 " Q Reply to this message, quoting portions of it\n"
1734 " H Headers (display message headers only)\n");
1736 scr_printf(" R Reply to this message\n");
1737 if (rc_allow_attachments) {
1738 scr_printf(" O (Open attachments)\n");
1739 scr_printf(" F (save attachments to a File)\n");
1741 if (!IsEmptyStr(rc_url_cmd))
1742 scr_printf(" U (list URL's for display)\n");
1743 if (!IsEmptyStr(imagecmd) && has_images > 0)
1744 scr_printf(" I Image viewer\n");
1749 dest = fopen(prtfile, "w");
1751 hold_color = enable_color;
1756 dest = fopen(temp2, "w");
1758 hold_color = enable_color;
1770 newprompt("Enter target room: ",
1771 targ, ROOMNAMELEN - 1);
1772 if (!IsEmptyStr(targ)) {
1773 r = CtdlIPCMoveMessage(ipc, (e == 'c' ? 1 : 0),
1774 msg_arr[a], targ, cmd);
1775 scr_printf("%s\n", cmd);
1781 if (r / 100 != 2) /* r will be init'ed, FIXME */
1782 goto RMSGREAD; /* the logic here sucks */
1786 newprompt("Which section? ", filename, ((sizeof filename) - 1));
1787 r = CtdlIPCAttachmentDownload(ipc, msg_arr[a],
1788 filename, &attachment, progress, cmd);
1790 scr_printf("%s\n", cmd);
1792 extract_token(filename, cmd, 2, '|', sizeof filename);
1794 * Part 1 won't have a filename; use the
1795 * subject of the message instead. IO
1797 if (IsEmptyStr(filename)) {
1798 strcpy(filename, reply_subject);
1800 if (e == 'o') { /* open attachment */
1801 mkdir(tempdir, 0700);
1802 snprintf(save_to, sizeof save_to, "%s/%04x.%s",
1806 save_buffer(attachment, extract_unsigned_long(cmd, 0), save_to);
1807 snprintf(cmd, sizeof cmd, rc_open_cmd, save_to);
1810 scr_printf("failed to save %s Reason %d\n", cmd, rv);
1812 else { /* save attachment to disk */
1813 destination_directory(save_to, filename);
1814 save_buffer(attachment, extract_unsigned_long(cmd, 0), save_to);
1823 scr_printf("*** Delete this message? ");
1825 r = CtdlIPCDeleteMessage(ipc, msg_arr[a], cmd);
1826 scr_printf("%s\n", cmd);
1834 read_message(ipc, msg_arr[a], READ_HEADER, NULL);
1837 savedpos = num_msgs;
1838 entmsg(ipc, 1, ((userflags & US_EXTEDIT) ? 2 : 0), 0);
1839 num_msgs = savedpos;
1845 image_view(ipc, msg_arr[a]);
1848 { /* hack hack hack */
1849 /* find the next message by me, stay here if we find nothing */
1852 for (finda = (a + rdir); ((finda < num_msgs) && (finda >= 0)); finda += rdir)
1854 /* This is repetitively dumb, but that's what computers are for.
1855 We have to load up messages until we find one by us */
1858 struct ctdlipcmessage *msg = NULL;
1860 /* read the header so we can get 'from=' */
1861 r = CtdlIPCGetSingleMessage(ipc, msg_arr[finda], 1, 0, &msg, buf);
1862 if (!strncasecmp(msg->author, fullname, sizeof(fullname))) {
1863 a = lasta; /* meesa current */
1871 lasta = finda; /* keep one behind or we skip on the reentrance to the for */
1875 } /* end for loop */
1876 } /* end read routine */
1882 * View and edit a system message
1884 void edit_system_message(CtdlIPC *ipc, char *which_message)
1888 char write_cmd[SIZ];
1890 snprintf(desc, sizeof desc, "system message '%s'", which_message);
1891 snprintf(read_cmd, sizeof read_cmd, "MESG %s", which_message);
1892 snprintf(write_cmd, sizeof write_cmd, "EMSG %s", which_message);
1893 do_edit(ipc, desc, read_cmd, "NOOP", write_cmd);
1900 * Loads the contents of a file into memory. Caller must free the allocated
1903 char *load_message_from_file(FILE *src)
1909 fseek(src, 0, SEEK_END);
1913 dest = (char *)calloc(1, i + 1);
1920 g = fread(dest + got, 1, i - got, src);
1923 /* Interrupted system call, keep going */
1926 /* At this point we have either EOF or error */