2 * Text client functions for reading and writing of messages
4 * Copyright (c) 1987-2020 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 */
69 void ka_sigcatch(int signum)
72 signal(SIGALRM, ka_sigcatch);
73 CtdlIPCNoop(ipc_for_signal_handlers);
78 * server keep-alive version of wait() (needed for external editor)
80 pid_t ka_wait(int *kstatus)
85 signal(SIGALRM, ka_sigcatch);
89 } while (errno == EINTR);
90 signal(SIGALRM, SIG_IGN);
97 * version of system() that uses ka_wait()
99 int ka_system(char *shc)
108 perror("Cannot fork");
110 return ((pid_t) childpid);
114 execlp("/bin/sh", "sh", "-c", shc, NULL);
120 waitpid = ka_wait(&retcode);
121 } while (waitpid != childpid);
130 * add a newline to the buffer...
132 void add_newline(struct cittext *textlist)
137 while (ptr->next != NULL)
140 while (ptr->text[strlen(ptr->text) - 1] == 32)
141 ptr->text[strlen(ptr->text) - 1] = 0;
142 /* strcat(ptr->text,"\n"); */
144 ptr->next = (struct cittext *)
145 malloc(sizeof(struct cittext));
148 strcpy(ptr->text, "");
153 * add a word to the buffer...
155 void add_word(struct cittext *textlist, char *wordbuf)
160 while (ptr->next != NULL)
163 if (3 + strlen(ptr->text) + strlen(wordbuf) > screenwidth) {
164 ptr->next = (struct cittext *)
165 malloc(sizeof(struct cittext));
168 strcpy(ptr->text, "");
171 strcat(ptr->text, wordbuf);
172 strcat(ptr->text, " ");
177 * begin editing of an opened file pointed to by fp
179 void citedit(FILE * fp)
181 int a, prev, finished, b, last_space;
183 struct cittext *textlist = NULL;
185 char wordbuf[MAXWORDBUF];
188 /* first, load the text into the buffer */
190 textlist = (struct cittext *) malloc(sizeof(struct cittext));
191 textlist->next = NULL;
192 strcpy(textlist->text, "");
196 while (a = getc(fp), a >= 0) {
198 if ((a == 32) || (a == 9) || (a == 13) || (a == 10)) {
199 add_word(textlist, wordbuf);
201 if ((prev == 13) || (prev == 10)) {
202 add_word(textlist, "\n");
203 add_newline(textlist);
204 add_word(textlist, "");
207 wordbuf[strlen(wordbuf) + 1] = 0;
208 wordbuf[strlen(wordbuf)] = a;
210 if (strlen(wordbuf) + 3 > screenwidth) {
211 add_word(textlist, wordbuf);
219 prev = (appending ? 13 : (-1));
230 if ((a != 32) && (prev == 13)) {
231 add_word(textlist, "\n");
235 if ((a == 32) && (prev == 13)) {
236 add_word(textlist, "\n");
237 add_newline(textlist);
241 if (!IsEmptyStr(wordbuf)) {
242 wordbuf[strlen(wordbuf) - 1] = 0;
247 } else if (a == 23) {
249 wordbuf[strlen(wordbuf) - 1] = 0;
253 } while (!IsEmptyStr(wordbuf) && wordbuf[strlen(wordbuf) - 1] != ' ');
254 } else if (a == 13) {
256 if (IsEmptyStr(wordbuf))
259 for (b = 0; b < strlen(wordbuf); ++b)
260 if (wordbuf[b] == 32) {
262 add_word(textlist, wordbuf);
263 strcpy(wordbuf, &wordbuf[b + 1]);
266 add_word(textlist, wordbuf);
271 wordbuf[strlen(wordbuf) + 1] = 0;
272 wordbuf[strlen(wordbuf)] = a;
274 if ((strlen(wordbuf) + 3) > screenwidth) {
276 for (b = 0; b < strlen(wordbuf); ++b)
277 if (wordbuf[b] == 32)
279 if (last_space >= 0) {
280 for (b = 0; b < strlen(wordbuf); ++b)
281 if (wordbuf[b] == 32) {
283 add_word(textlist, wordbuf);
284 strcpy(wordbuf, &wordbuf[b + 1]);
287 for (b = 0; b < strlen(wordbuf); ++b) {
292 scr_printf("\n%s", wordbuf);
294 add_word(textlist, wordbuf);
300 } while (finished == 0);
302 /* write the buffer back to disk */
304 for (ptr = textlist; ptr != NULL; ptr = ptr->next) {
305 fprintf(fp, "%s", ptr->text);
309 rv = ftruncate(fileno(fp), ftell(fp));
311 scr_printf("failed to set message buffer: %s\n", strerror(errno));
314 /* and deallocate the memory we used */
315 while (textlist != NULL) {
316 ptr = textlist->next;
324 * Free the struct parts
326 void free_parts(struct parts *p)
328 struct parts *a_part = p;
334 a_part = a_part->next;
341 * This is a mini RFC2047 decoder.
342 * It only handles strings encoded from UTF-8 as Quoted-printable.
343 * We can do this "in place" because the converted string will always be smaller than the source string.
345 void mini_2047_decode(char *s)
347 if (!s) { // no null strings allowed!
351 char *qstart = strstr(s, "=?UTF-8?Q?"); // Must start with this string
356 char *qend = strstr(qstart+10, "?="); // Must end with this string
361 if (qend <= qstart) { // And there must be something in between them.
365 // The string has qualified for conversion.
367 strcpy(qend, ""); // Strip the trailer
368 strcpy(qstart, &qstart[10]); // Strip the header
370 char *r = qstart; // Pointer to where in the string we're reading
371 char *w = s; // Pointer to where in the string we're writing
373 while(*r) { // Loop through the source string
374 if (r[0] == '=') { // "=" means read a hex character
380 sscanf(ch, "%02x", &c);
385 else if (r[0] == '_') { // "_" is a space
390 else { // anything else pass through literally
396 w[0] = 0; // null terminate
401 * Read a message from the server
403 int read_message(CtdlIPC *ipc,
404 long num, /* message number */
405 int pagin, /* 0 = normal read, 1 = read with pagination, 2 = header */
406 FILE *dest /* Destination file, NULL for screen */
413 struct ctdlipcmessage *message = NULL;
414 int r; /* IPC response code */
415 char *converted_text = NULL;
422 int final_line_is_blank = 0;
428 strcpy(reply_to, NO_REPLY_TO);
429 strcpy(reply_subject, "");
430 strcpy(reply_references, "");
431 strcpy(reply_inreplyto, "");
433 r = CtdlIPCGetSingleMessage(ipc, num, (pagin == READ_HEADER ? 1 : 0), 4, &message, buf);
435 scr_printf("*** msg #%ld: %d %s\n", num, r, buf);
438 free_parts(message->attachments);
444 fprintf(dest, "\n ");
452 if (pagin == 1 && !dest) {
456 /* View headers only */
458 scr_printf("nhdr=%s\nfrom=%s\ntype=%d\nmsgn=%s\n",
459 message->nhdr ? "yes" : "no", message->author, message->type, message->msgid);
460 if (!IsEmptyStr(message->subject)) {
461 scr_printf("subj=%s\n", message->subject);
463 if (!IsEmptyStr(message->email)) {
464 scr_printf("rfca=%s\n", message->email);
466 scr_printf("room=%s\ntime=%s", message->room, 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, ptr->disposition, ptr->mimetype, ptr->length);
481 free_parts(message->attachments);
486 if (rc_display_message_numbers) {
488 fprintf(dest, "[#%s] ", message->msgid);
493 scr_printf("#%s", message->msgid);
498 if (nhdr == 1 && !is_room_aide) {
500 fprintf(dest, " ****");
508 localtime_r(&message->time, &thetime);
509 strftime(now, sizeof now, "%F %R", &thetime);
511 fprintf(dest, "%s from %s ", now, message->author);
512 if (!message->is_local) {
513 fprintf(dest, "<%s> ", message->email);
518 scr_printf("%s ", now);
522 scr_printf("%s ", message->author);
523 if (!message->is_local) {
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);
566 safestrncpy(reply_to, message->email, sizeof reply_to);
570 /* But if we can't do that, set it to a Citadel address.
572 if (!strcmp(reply_to, NO_REPLY_TO)) {
573 safestrncpy(reply_to, message->author, sizeof(reply_to));
576 if (message->msgid != NULL) {
577 safestrncpy(reply_inreplyto, message->msgid, sizeof reply_inreplyto);
580 if (message->references != NULL)
581 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);
601 if (pagin == 1 && !dest) {
605 /******* end of header output, start of message text output *******/
608 * Convert HTML to plain text, formatting for the actual width
609 * of the client screen.
611 if (!strcasecmp(message->content_type, "text/html")) {
612 converted_text = html_to_ascii(message->text, 0, screenwidth);
613 if (converted_text != NULL) {
615 message->text = converted_text;
620 /* Text/plain is a different type */
621 if (!strcasecmp(message->content_type, "text/plain")) {
625 /* Render text/x-markdown as plain text */
626 if (!strcasecmp(message->content_type, "text/x-markdown")) {
631 static char *urlprefixes[] = {
637 num_urls = 0; /* Start with a clean slate */
638 for (p = 0; p < (sizeof urlprefixes / sizeof(char *)); ++p) {
639 searchptr = message->text;
640 while ((searchptr != NULL) && (num_urls < MAXURLS)) {
641 searchptr = strstr(searchptr, urlprefixes[p]);
642 if (searchptr != NULL) {
643 safestrncpy(urls[num_urls], searchptr, sizeof(urls[num_urls]));
644 for (i = 0; i < strlen(urls[num_urls]); i++) {
645 ch = urls[num_urls][i];
646 if (ch == '>' || ch == '\"' || ch == ')' || 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) {
676 if (sigcaught == 0) {
677 linelen = strlen(lineptr);
678 if (linelen && (lineptr[linelen - 1] == '\r')) {
679 lineptr[--linelen] = 0;
682 fprintf(dest, "%s\n", lineptr);
684 scr_printf("%s\n", lineptr);
688 final_line_is_blank = 1;
690 final_line_is_blank = 0;
695 if (!final_line_is_blank) {
704 /* Enumerate any attachments */
705 if ((pagin == 1) && (message->attachments)) {
708 for (ptr = message->attachments; ptr; ptr = ptr->next) {
709 if ((!strcasecmp(ptr->disposition, "attachment"))
710 || (!strcasecmp(ptr->disposition, "inline"))
711 || (!strcasecmp(ptr->disposition, ""))
713 if ((strcasecmp(ptr->number, message->mime_chosen))
714 && (!IsEmptyStr(ptr->mimetype))
718 color(BRIGHT_MAGENTA);
719 scr_printf("%s", ptr->number);
723 scr_printf("%s", ptr->filename);
725 scr_printf(" (%s, %ld bytes)\n", ptr->mimetype, ptr->length);
726 if (!strncmp(ptr->mimetype, "image/", 6)) {
734 /* Save the attachments info for later */
735 last_message_parts = message->attachments;
741 if (pagin == 1 && !dest)
749 * replace string function for the built-in editor
751 void replace_string(char *filename, long int startpos)
760 int substitutions = 0;
764 newprompt("Enter text to be replaced: ", srch_str, (sizeof(srch_str) - 1));
765 if (IsEmptyStr(srch_str)) {
769 newprompt("Enter text to replace it with: ", rplc_str, (sizeof(rplc_str) - 1));
771 fp = fopen(filename, "r+");
777 fseek(fp, startpos, 0);
779 while (a = getc(fp), a > 0) {
781 buf[strlen(buf) + 1] = 0;
782 buf[strlen(buf)] = a;
783 if (strlen(buf) >= strlen(srch_str)) {
784 ptr = (&buf[strlen(buf) - strlen(srch_str)]);
785 if (!strncmp(ptr, srch_str, strlen(srch_str))) {
786 strcpy(ptr, rplc_str);
790 if (strlen(buf) > 384) {
793 rv = fwrite((char *) buf, 128, 1, fp);
795 scr_printf("failed to replace string: %s\n", strerror(errno));
798 strcpy(buf, &buf[128]);
804 if (!IsEmptyStr(buf)) {
805 rv = fwrite((char *) buf, strlen(buf), 1, fp);
809 rv = truncate(filename, wpos);
810 scr_printf("<R>eplace made %d substitution(s).\n\n", substitutions);
815 * Function to begin composing a new message
817 int client_make_message(CtdlIPC * ipc, char *filename, /* temporary file name */
818 char *recipient, /* NULL if it's not mail */
819 int is_anonymous, int format_type, int mode, char *subject, /* buffer to store subject line */
820 int subject_required)
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, " ****");
843 snprintf(header, sizeof header, " %s from %s", datestr, (is_anonymous ? "[anonymous]" : fullname)
845 if (!IsEmptyStr(recipient)) {
846 size_t tmp = strlen(header);
847 snprintf(&header[tmp], sizeof header - tmp, " to %s", recipient);
850 scr_printf("%s\n", header);
852 if (!IsEmptyStr(subject)) {
853 scr_printf("Subject: %s\n", subject);
856 if ((subject_required) && (IsEmptyStr(subject))) {
857 newprompt("Subject: ", subject, 70);
861 scr_printf("(Press ctrl-d when finished)\n");
865 fp = fopen(filename, "r");
867 fmout(screenwidth, fp, NULL, NULL, 0);
870 scr_printf("failed to get stream position %s\n", strerror(errno));
873 fp = fopen(filename, "w");
875 scr_printf("*** Error opening temp file!\n %s: %s\n", filename, strerror(errno)
886 fp = fopen(filename, "r+");
888 scr_printf("*** Error opening temp file!\n %s: %s\n", filename, strerror(errno)
897 fp = fopen(filename, "a");
899 scr_printf("*** Error opening temp file!\n" " %s: %s\n", filename, strerror(errno));
919 default: /* allow 2+ modes */
920 e_ex_code = 1; /* start with a failed exit code */
921 stty_ctdl(SB_RESTORE);
923 cksum = file_checksum(filename);
924 if (editor_pid == 0) {
927 chmod(filename, 0600);
928 snprintf(tmp, sizeof tmp, "WINDOW_TITLE=%s", header);
930 execlp(editor_path, editor_path, filename, NULL);
936 b = ka_wait(&e_ex_code);
937 } while ((b != editor_pid) && (b >= 0));
943 MECR:if (mode >= 2) {
944 if (file_checksum(filename) == cksum) {
945 scr_printf("*** Aborted message.\n");
948 if (e_ex_code == 0) {
954 b = keymenu("Entry command (? for options)",
956 "<C>ontinue|" "<S>ave message|" "<P>rint formatted|" "add s<U>bject|" "<R>eplace string|" "<H>old message");
965 scr_printf(" %s from %s", datestr, fullname);
966 if (!IsEmptyStr(recipient)) {
967 scr_printf(" to %s", recipient);
971 if (!IsEmptyStr(subject)) {
972 scr_printf("Subject: %s\n", subject);
974 fp = fopen(filename, "r");
976 fmout(screenwidth, fp, NULL, NULL, 0);
979 scr_printf("failed to get stream position %s\n", strerror(errno));
985 replace_string(filename, 0L);
992 if (subject != NULL) {
993 newprompt("Subject: ", subject, 70);
1000 MEABT:scr_printf("Are you sure? ");
1004 MEABT2:unlink(filename);
1010 * Make sure there's room in msg_arr[] for at least one more.
1012 void check_msg_arr_size(void)
1014 if ((num_msgs + 1) > msg_arr_size) {
1015 msg_arr_size += 512;
1016 msg_arr = realloc(msg_arr, ((sizeof(long)) * msg_arr_size));
1022 * break_big_lines() - break up lines that are >1024 characters
1023 * otherwise the server will truncate
1025 void break_big_lines(char *msg)
1035 while (strlen(ptr) > 1000) {
1036 break_here = strchr(&ptr[900], ' ');
1037 if ((break_here == NULL) || (break_here > &ptr[999])) {
1038 break_here = &ptr[999];
1047 * entmsg() - edit and create a message
1048 * returns 0 if message was saved
1050 int entmsg(CtdlIPC * ipc, int is_reply, /* nonzero if this was a <R>eply command */
1052 int masquerade /* prompt for a non-default display name? */
1062 struct ctdlipcmessage message;
1063 unsigned long *msgarr = NULL;
1064 int r; /* IPC response code */
1065 int subject_required = 0;
1067 if (entmsg_ok == ENTMSG_OK_YES) {
1068 /* no problem, go right ahead */
1070 else if (entmsg_ok == ENTMSG_OK_BLOG) {
1072 scr_printf("WARNING: this is a BLOG room.\n");
1073 scr_printf("The '<E>nter Message' command will create a BLOG POST.\n");
1074 scr_printf("If you want to leave a comment or reply to a comment, use the '<R>eply' command.\n");
1075 scr_printf("Do you really want to create a new blog post? ");
1082 scr_printf("You may not enter messages in this type of room.\n");
1092 strcpy(subject, "");
1095 * First, check to see if we have permission to enter a message in
1096 * this room. The server will return an error code if we can't.
1098 strcpy(message.recipient, "");
1099 strcpy(message.author, "");
1100 strcpy(message.subject, "");
1101 strcpy(message.references, "");
1102 message.text = ""; /* point to "", changes later */
1103 message.anonymous = 0;
1104 message.type = mode;
1107 newprompt("Display name for this message: ", message.author, 40);
1112 if (!IsEmptyStr(reply_subject)) {
1113 if (!strncasecmp(reply_subject, "Re: ", 3)) {
1114 strcpy(message.subject, reply_subject);
1116 snprintf(message.subject, sizeof message.subject, "Re: %s", reply_subject);
1120 /* Trim down excessively long lists of thread references. We eliminate the
1121 * second one in the list so that the thread root remains intact.
1123 int rrtok = num_tokens(reply_references, '|');
1124 int rrlen = strlen(reply_references);
1125 if (((rrtok >= 3) && (rrlen > 900)) || (rrtok > 10)) {
1126 remove_token(reply_references, 1, '|');
1129 snprintf(message.references, sizeof message.references, "%s%s%s",
1130 reply_references, (IsEmptyStr(reply_references) ? "" : "|"), reply_inreplyto);
1133 r = CtdlIPCPostMessage(ipc, 0, &subject_required, &message, buf);
1135 if (r / 100 != 2 && r / 10 != 57) {
1136 scr_printf("%s\n", buf);
1140 /* Error code 570 is special. It means that we CAN enter a message
1141 * in this room, but a recipient needs to be specified.
1148 /* If the user is a dumbass, tell them how to type. */
1149 if ((userflags & US_EXPERT) == 0) {
1150 scr_printf("Entering message. Word wrap will give you soft linebreaks. Pressing the\n");
1151 scr_printf("'enter' key will give you a hard linebreak and an indent. Press 'enter' twice\n");
1152 scr_printf("when finished.\n");
1155 /* Handle the selection of a recipient, if necessary. */
1157 if (need_recp == 1) {
1158 if (axlevel >= AxProbU) {
1160 strcpy(buf, reply_to);
1162 newprompt("Enter recipient: ", buf, SIZ - 100);
1163 if (IsEmptyStr(buf)) {
1168 strcpy(buf, "sysop");
1170 strcpy(message.recipient, buf);
1172 if (room_flags & QR_ANONOPT) {
1173 scr_printf("Anonymous (Y/N)? ");
1175 message.anonymous = 1;
1178 /* If it's mail, we've got to check the validity of the recipient... */
1179 if (!IsEmptyStr(message.recipient)) {
1180 r = CtdlIPCPostMessage(ipc, 0, &subject_required, &message, buf);
1182 scr_printf("%s\n", buf);
1187 /* Learn the number of the newest message in in the room, so we can
1188 * tell upon saving whether someone else has posted too.
1191 r = CtdlIPCGetMessages(ipc, LastMessages, 1, NULL, &msgarr, buf);
1193 scr_printf("%s\n", buf);
1195 for (num_msgs = 0; msgarr[num_msgs]; num_msgs++);
1198 /* Now compose the message... */
1199 if (client_make_message(ipc, temp, message.recipient, message.anonymous, 0, c, message.subject, subject_required) != 0) {
1205 /* Reopen the temp file that was created, so we can send it */
1206 fp = fopen(temp, "r");
1208 if (!fp || !(message.text = load_message_from_file(fp))) {
1209 scr_printf("*** Internal error while trying to save message!\n" "%s: %s\n", temp, strerror(errno));
1217 /* Break lines that are >1024 characters, otherwise the server
1218 * will truncate them.
1220 break_big_lines(message.text);
1222 /* Transmit message to the server */
1223 r = CtdlIPCPostMessage(ipc, 1, NULL, &message, buf);
1225 scr_printf("%s\n", buf);
1229 /* Yes, unlink it now, so it doesn't stick around if we crash */
1233 highmsg = msgarr[num_msgs - 1];
1238 r = CtdlIPCGetMessages(ipc, NewMessages, 0, NULL, &msgarr, buf);
1240 scr_printf("%s\n", buf);
1242 for (num_msgs = 0; msgarr[num_msgs]; num_msgs++);
1245 /* get new highest message number in room to set lrp for goto... */
1246 maxmsgnum = msgarr[num_msgs - 1];
1248 /* now see if anyone else has posted in here */
1250 for (a = 0; a < num_msgs; ++a) {
1251 if (msgarr[a] > highmsg) {
1259 /* In the Mail> room, this algorithm always counts one message
1260 * higher than in public rooms, so we decrement it by one.
1267 scr_printf("*** 1 additional message has been entered " "in this room by another user.\n");
1269 scr_printf("*** %d additional messages have been entered " "in this room by other users.\n", b);
1278 * Do editing on a quoted file
1280 void process_quote(void)
1282 FILE *qfile, *tfile;
1284 int line, qstart, qend;
1286 /* Unlink the second temp file as soon as it's opened, so it'll get
1287 * deleted even if the program dies
1289 qfile = fopen(temp2, "r");
1292 /* Display the quotable text with line numbers added */
1294 if (fgets(buf, 128, qfile) == NULL) {
1295 /* we're skipping a line here */
1297 while (fgets(buf, 128, qfile) != NULL) {
1298 scr_printf("%3d %s", ++line, buf);
1301 qstart = intprompt("Begin quoting at", 1, 1, line);
1302 qend = intprompt(" End quoting at", line, qstart, line);
1306 if (fgets(buf, 128, qfile) == NULL) {
1307 /* we're skipping a line here */
1309 tfile = fopen(temp, "w");
1310 while (fgets(buf, 128, qfile) != NULL) {
1311 if ((++line >= qstart) && (line <= qend)) {
1312 fprintf(tfile, " >%s", buf);
1315 fprintf(tfile, " \n");
1323 * List the URLs which were embedded in the previous message
1325 void list_urls(CtdlIPC * ipc)
1331 if (num_urls == 0) {
1332 scr_printf("There were no URLs in the previous message.\n\n");
1336 for (i = 0; i < num_urls; ++i) {
1337 scr_printf("%3d %s\n", i + 1, urls[i]);
1340 if ((i = num_urls) != 1)
1341 i = intprompt("Display which one", 1, 1, num_urls);
1343 snprintf(cmd, sizeof cmd, rc_url_cmd, urls[i - 1]);
1350 * Run image viewer in background
1352 int do_image_view(const char *filename)
1357 snprintf(cmd, sizeof cmd, imagecmd, filename);
1364 if (childpid == 0) {
1366 pid_t grandchildpid;
1368 grandchildpid = fork();
1369 if (grandchildpid < 0) {
1370 return grandchildpid;
1373 if (grandchildpid == 0) {
1378 nullfd = open("/dev/null", O_WRONLY);
1385 retcode = system(cmd);
1395 if (grandchildpid > 0) {
1403 waitpid(childpid, &retcode, 0);
1412 * View an image attached to a message
1414 void image_view(CtdlIPC * ipc, unsigned long msg)
1416 struct parts *ptr = last_message_parts;
1420 /* Run through available parts */
1421 for (ptr = last_message_parts; ptr; ptr = ptr->next) {
1422 if ((!strcasecmp(ptr->disposition, "attachment")
1423 || !strcasecmp(ptr->disposition, "inline"))
1424 && !strncmp(ptr->mimetype, "image/", 6)) {
1427 strcpy(part, ptr->number);
1434 strprompt("View which part (0 when done)", part, SIZ - 1);
1436 for (ptr = last_message_parts; ptr; ptr = ptr->next) {
1437 if ((!strcasecmp(ptr->disposition, "attachment")
1438 || !strcasecmp(ptr->disposition, "inline"))
1439 && !strncmp(ptr->mimetype, "image/", 6)
1440 && !strcasecmp(ptr->number, part)) {
1443 void *file = NULL; /* The downloaded file */
1448 r = CtdlIPCAttachmentDownload(ipc, msg, ptr->number, &file, progress, buf);
1450 scr_printf("%s\n", buf);
1454 len = (size_t) extract_long(buf, 0);
1455 progress(ipc, len, len);
1457 CtdlMakeTempFileName(tmp, sizeof tmp);
1458 strcat(tmp, ptr->filename);
1459 save_buffer(file, len, tmp);
1473 * Read the messages in the current room
1475 void readmsgs(CtdlIPC * ipc, enum MessageList c, /* see listing in citadel_ipc.h */
1476 enum MessageDirection rdir, /* 1=Forward (-1)=Reverse */
1477 int q /* Number of msgs to read (if c==3) */
1480 int a, e, f, g, start;
1486 char prtfile[PATH_MAX];
1489 char targ[ROOMNAMELEN];
1490 char filename[PATH_MAX];
1491 char save_to[PATH_MAX];
1492 void *attachment = NULL; /* Downloaded attachment */
1493 FILE *dest = NULL; /* Alternate destination other than screen */
1494 int r; /* IPC response code */
1495 static int att_seq = 0; /* Attachment download sequence number */
1496 int rv = 0; /* silence the stupid warn_unused_result warnings */
1498 CtdlMakeTempFileName(prtfile, sizeof prtfile);
1504 r = CtdlIPCGetMessages(ipc, c, q, NULL, &msg_arr, cmd);
1506 scr_printf("%s\n", cmd);
1508 for (num_msgs = 0; msg_arr[num_msgs]; num_msgs++);
1511 if (num_msgs == 0) {
1512 if (c == LastMessages) {
1515 scr_printf("*** There are no ");
1516 if (c == NewMessages)
1518 if (c == OldMessages)
1520 scr_printf("messages in this room.\n");
1524 /* this loop cycles through each message... */
1525 start = ((rdir == 1) ? 0 : (num_msgs - 1));
1526 for (a = start; ((a < num_msgs) && (a >= 0)); a = a + rdir) {
1527 while (msg_arr[a] == 0L) {
1529 if ((a == num_msgs) || (a == (-1)))
1533 RAGAIN:pagin = ((arcflag == 0)
1535 && (userflags & US_PAGINATOR)) ? 1 : 0;
1537 /* If we're doing a quote, set the screenwidth to 72 */
1539 hold_sw = screenwidth;
1543 /* If printing or archiving, set the screenwidth to 80 */
1545 hold_sw = screenwidth;
1549 /* clear parts list */
1550 free_parts(last_message_parts);
1551 last_message_parts = NULL;
1553 /* now read the message... */
1554 e = read_message(ipc, msg_arr[a], pagin, dest);
1556 /* ...and set the screenwidth back if we have to */
1557 if ((quotflag) || (arcflag)) {
1558 screenwidth = hold_sw;
1561 highest_msg_read = msg_arr[a];
1566 enable_color = hold_color;
1575 enable_color = hold_color;
1578 if (freopen(prtfile, "r", stdin) == NULL) {
1579 /* we probably should handle the error condition here */
1581 stty_ctdl(SB_RESTORE);
1582 ka_system(printcmd);
1583 stty_ctdl(SB_NO_INTR);
1590 } while ((g != f) && (g >= 0));
1591 scr_printf("Message printed.\n");
1595 if (((userflags & US_NOPROMPT) || (e == SIGINT))
1596 && (((room_flags & QR_MAILBOX) == 0)
1597 || (rc_force_mail_prompts == 0))) {
1602 color(BRIGHT_WHITE);
1603 scr_printf("%d", num_msgs - a - 1);
1607 keyopt("<B>ack <A>gain <R>eply reply<Q>uoted <N>ext <S>top ");
1608 if (rc_url_cmd[0] && num_urls)
1609 keyopt("<U>RLview ");
1610 if (has_images > 0 && !IsEmptyStr(imagecmd))
1611 keyopt("<I>mages ");
1612 keyopt("<?>help -> ");
1615 e = (inkey() & 127);
1617 /* return key same as <N> */ if (e == 10)
1619 /* space key same as <N> */ if (e == 32)
1621 /* del/move for aides only */
1623 && ((room_flags & QR_MAILBOX) == 0)
1624 && ((room_flags2 & QR2_COLLABDEL) == 0)
1626 if ((e == 'd') || (e == 'm'))
1629 /* print only if available */
1630 if ((e == 'p') && (IsEmptyStr(printcmd)))
1632 /* can't file if not allowed */
1634 && (rc_allow_attachments == 0))
1636 /* link only if browser avail*/
1638 && (IsEmptyStr(rc_url_cmd)))
1641 && (IsEmptyStr(imagecmd) || !has_images))
1643 } while ((e != 'a') && (e != 'n') && (e != 's')
1644 && (e != 'd') && (e != 'm') && (e != 'p')
1645 && (e != 'q') && (e != 'b') && (e != 'h')
1646 && (e != 'r') && (e != 'f') && (e != '?')
1647 && (e != 'u') && (e != 'c') && (e != 'y')
1648 && (e != 'i') && (e != 'o'));
1654 scr_printf("Again");
1657 scr_printf("Delete");
1669 scr_printf("Print");
1672 scr_printf("reply Quoted");
1678 scr_printf("Header");
1681 scr_printf("Reply");
1684 scr_printf("Open attachments");
1690 scr_printf("URL's");
1693 scr_printf("mY next");
1698 scr_printf("? <help>");
1701 if (userflags & US_DISAPPEAR || e == 'i')
1702 scr_printf("\r%79s\r", "");
1706 DONE_QUOTING:switch (e) {
1708 scr_printf("Options available here:\n"
1709 " ? Help (prints this message)\n"
1710 " S Stop reading immediately\n"
1711 " A Again (repeats last message)\n"
1712 " N Next (continue with next message)\n"
1713 " Y My Next (continue with next message you authored)\n"
1714 " B Back (go back to previous message)\n");
1716 || (room_flags & QR_MAILBOX)
1717 || (room_flags2 & QR2_COLLABDEL)
1719 scr_printf(" D Delete this message\n" " M Move message to another room\n");
1721 scr_printf(" C Copy message to another room\n");
1722 if (!IsEmptyStr(printcmd))
1723 scr_printf(" P Print this message\n");
1724 scr_printf(" Q Reply to this message, quoting portions of it\n"
1725 " H Headers (display message headers only)\n");
1727 scr_printf(" R Reply to this message\n");
1728 if (rc_allow_attachments) {
1729 scr_printf(" O (Open attachments)\n");
1730 scr_printf(" F (save attachments to a File)\n");
1732 if (!IsEmptyStr(rc_url_cmd))
1733 scr_printf(" U (list URL's for display)\n");
1734 if (!IsEmptyStr(imagecmd) && has_images > 0)
1735 scr_printf(" I Image viewer\n");
1740 dest = fopen(prtfile, "w");
1742 hold_color = enable_color;
1747 dest = fopen(temp2, "w");
1749 hold_color = enable_color;
1761 newprompt("Enter target room: ", targ, ROOMNAMELEN - 1);
1762 if (!IsEmptyStr(targ)) {
1763 r = CtdlIPCMoveMessage(ipc, (e == 'c' ? 1 : 0), msg_arr[a], targ, cmd);
1764 scr_printf("%s\n", cmd);
1770 if (r / 100 != 2) /* r will be init'ed, FIXME */
1771 goto RMSGREAD; /* the logic here sucks */
1775 newprompt("Which section? ", filename, ((sizeof filename) - 1));
1776 r = CtdlIPCAttachmentDownload(ipc, msg_arr[a], filename, &attachment, progress, cmd);
1778 scr_printf("%s\n", cmd);
1780 extract_token(filename, cmd, 2, '|', sizeof filename);
1782 * Part 1 won't have a filename; use the
1783 * subject of the message instead. IO
1785 if (IsEmptyStr(filename)) {
1786 strcpy(filename, reply_subject);
1788 if (e == 'o') { /* open attachment */
1789 mkdir(tempdir, 0700);
1790 snprintf(save_to, sizeof save_to, "%s/%04x.%s", tempdir, ++att_seq, filename);
1791 save_buffer(attachment, extract_unsigned_long(cmd, 0), save_to);
1792 snprintf(cmd, sizeof cmd, rc_open_cmd, save_to);
1795 scr_printf("failed to save %s Reason %d\n", cmd, rv);
1796 } else { /* save attachment to disk */
1797 destination_directory(save_to, filename);
1798 save_buffer(attachment, extract_unsigned_long(cmd, 0), save_to);
1807 scr_printf("*** Delete this message? ");
1809 r = CtdlIPCDeleteMessage(ipc, msg_arr[a], cmd);
1810 scr_printf("%s\n", cmd);
1818 read_message(ipc, msg_arr[a], READ_HEADER, NULL);
1821 savedpos = num_msgs;
1822 entmsg(ipc, 1, ((userflags & US_EXTEDIT) ? 2 : 0), 0);
1823 num_msgs = savedpos;
1829 image_view(ipc, msg_arr[a]);
1832 { /* hack hack hack */
1833 /* find the next message by me, stay here if we find nothing */
1836 for (finda = (a + rdir); ((finda < num_msgs) && (finda >= 0)); finda += rdir) {
1837 /* This is repetitively dumb, but that's what computers are for.
1838 We have to load up messages until we find one by us */
1841 struct ctdlipcmessage *msg = NULL;
1843 /* read the header so we can get 'from=' */
1844 r = CtdlIPCGetSingleMessage(ipc, msg_arr[finda], 1, 0, &msg, buf);
1845 if (!strncasecmp(msg->author, fullname, sizeof(fullname))) {
1846 a = lasta; /* meesa current */
1854 lasta = finda; /* keep one behind or we skip on the reentrance to the for */
1858 } /* end for loop */
1859 } /* end read routine */
1863 * View and edit a system message
1865 void edit_system_message(CtdlIPC * ipc, char *which_message)
1869 char write_cmd[SIZ];
1871 snprintf(desc, sizeof desc, "system message '%s'", which_message);
1872 snprintf(read_cmd, sizeof read_cmd, "MESG %s", which_message);
1873 snprintf(write_cmd, sizeof write_cmd, "EMSG %s", which_message);
1874 do_edit(ipc, desc, read_cmd, "NOOP", write_cmd);
1879 * Loads the contents of a file into memory. Caller must free the allocated memory.
1881 char *load_message_from_file(FILE * src)
1887 fseek(src, 0, SEEK_END);
1891 dest = (char *) calloc(1, i + 1);
1898 g = fread(dest + got, 1, i - got, src);
1901 /* Interrupted system call, keep going */
1904 /* At this point we have either EOF or error */