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 scr_printf("failed to set message buffer: %s\n", strerror(errno));
370 /* and deallocate the memory we used */
371 while (textlist != NULL) {
372 ptr = textlist->next;
380 * Free the struct parts
382 void free_parts(struct parts *p)
384 struct parts *a_part = p;
390 a_part = a_part->next;
397 * Read a message from the server
399 int read_message(CtdlIPC *ipc,
400 long num, /* message number */
401 int pagin, /* 0 = normal read, 1 = read with pagination, 2 = header */
402 FILE *dest) /* Destination file, NULL for screen */
409 struct ctdlipcmessage *message = NULL;
410 int r; /* IPC response code */
411 char *converted_text = NULL;
418 int final_line_is_blank = 0;
425 strcpy(reply_to, NO_REPLY_TO);
426 strcpy(reply_subject, "");
427 strcpy(reply_references, "");
428 strcpy(reply_inreplyto, "");
430 r = CtdlIPCGetSingleMessage(ipc, num, (pagin == READ_HEADER ? 1 : 0), 4, &message, buf);
432 scr_printf("*** msg #%ld: %d %s\n", num, r, buf);
435 free_parts(message->attachments);
441 fprintf(dest, "\n ");
447 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("hnod=%s\nroom=%s\nnode=%s\ntime=%s",
464 message->hnod, message->room,
466 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,
483 free_parts(message->attachments);
488 if (rc_display_message_numbers) {
490 fprintf(dest, "[#%s] ", message->msgid);
495 scr_printf("#%s", message->msgid);
500 if (nhdr == 1 && !is_room_aide) {
502 fprintf(dest, " ****");
507 fmt_date(now, sizeof now, message->time, 0);
509 fprintf(dest, "%s from %s ", now, message->author);
510 if (!IsEmptyStr(message->email)) {
511 fprintf(dest, "<%s> ", message->email);
515 scr_printf("%s ", now);
519 scr_printf("%s ", message->author);
520 if (!IsEmptyStr(message->email)) {
524 scr_printf("%s", message->email);
529 if (!IsEmptyStr(message->node)) {
530 if ((room_flags & QR_NETWORK)
531 || ((strcasecmp(message->node, ipc->ServInfo.nodename)
532 && (strcasecmp(message->node, ipc->ServInfo.fqdn))))) {
533 if (IsEmptyStr(message->email)) {
535 fprintf(dest, "@%s ", message->node);
539 color(BRIGHT_YELLOW);
540 scr_printf("%s ", message->node);
545 if (strcasecmp(message->hnod, ipc->ServInfo.humannode)
546 && (!IsEmptyStr(message->hnod)) && (IsEmptyStr(message->email))) {
548 fprintf(dest, "(%s) ", message->hnod);
553 scr_printf("%s", message->hnod);
558 if (strcasecmp(message->room, room_name) && (IsEmptyStr(message->email))) {
560 fprintf(dest, "in %s> ", message->room);
564 color(BRIGHT_MAGENTA);
565 scr_printf("%s> ", message->room);
568 if (!IsEmptyStr(message->recipient)) {
570 fprintf(dest, "to %s ", message->recipient);
575 scr_printf("%s ", message->recipient);
586 /* Set the reply-to address to an Internet e-mail address if possible
588 if ((message->email != NULL) && (!IsEmptyStr(message->email))) {
589 if (!IsEmptyStr(message->author)) {
590 snprintf(reply_to, sizeof reply_to, "%s <%s>", message->author, message->email);
593 safestrncpy(reply_to, message->email, sizeof reply_to);
597 /* But if we can't do that, set it to a Citadel address.
599 if (!strcmp(reply_to, NO_REPLY_TO)) {
600 snprintf(reply_to, sizeof(reply_to), "%s @ %s",
601 message->author, message->node);
604 if (message->msgid != NULL) {
605 safestrncpy(reply_inreplyto, message->msgid, sizeof reply_inreplyto);
608 if (message->references != NULL) if (!IsEmptyStr(message->references)) {
609 safestrncpy(reply_references, message->references, sizeof reply_references);
612 if (message->subject != NULL) {
613 safestrncpy(reply_subject, message->subject, sizeof reply_subject);
614 if (!IsEmptyStr(message->subject)) {
616 fprintf(dest, "Subject: %s\n",
620 scr_printf("Subject: ");
622 scr_printf("%s\n", message->subject);
627 if (pagin == 1 && !dest) {
631 /******* end of header output, start of message text output *******/
634 * Convert HTML to plain text, formatting for the actual width
635 * of the client screen.
637 if (!strcasecmp(message->content_type, "text/html")) {
638 converted_text = html_to_ascii(message->text, 0, screenwidth, 0);
639 if (converted_text != NULL) {
641 message->text = converted_text;
646 /* Text/plain is a different type */
647 if (!strcasecmp(message->content_type, "text/plain")) {
652 num_urls = 0; /* Start with a clean slate */
653 searchptr = message->text;
654 while ( (searchptr != NULL) && (num_urls < MAXURLS) ) {
655 searchptr = strstr(searchptr, "http://");
656 if (searchptr != NULL) {
657 safestrncpy(urls[num_urls], searchptr, sizeof(urls[num_urls]));
658 for (i = 0; i < strlen(urls[num_urls]); i++) {
659 ch = urls[num_urls][i];
660 if (ch == '>' || ch == '\"' || ch == ')' ||
661 ch == ' ' || ch == '\n') {
662 urls[num_urls][i] = 0;
674 if (format_type == 0) {
675 fr = fmout(screenwidth, NULL, message->text, dest, 1);
677 /* renderer for text/plain */
679 lineptr = message->text;
682 nextline = strchr(lineptr, '\n');
683 if (nextline != NULL) {
686 if (*nextline == 0) nextline = NULL;
689 if (sigcaught == 0) {
690 linelen = strlen(lineptr);
691 if (linelen && (lineptr[linelen-1] == '\r')) {
692 lineptr[--linelen] = 0;
695 fprintf(dest, "%s\n", lineptr);
697 scr_printf("%s\n", lineptr);
700 if (lineptr[0] == 0) final_line_is_blank = 1;
701 else final_line_is_blank = 0;
706 if (!final_line_is_blank) {
716 /* Enumerate any attachments */
717 if ( (pagin == 1) && (message->attachments) ) {
720 for (ptr = message->attachments; ptr; ptr = ptr->next) {
721 if ( (!strcasecmp(ptr->disposition, "attachment"))
722 || (!strcasecmp(ptr->disposition, "inline"))
723 || (!strcasecmp(ptr->disposition, ""))
725 if ( (strcasecmp(ptr->number, message->mime_chosen))
726 && (!IsEmptyStr(ptr->mimetype))
730 color(BRIGHT_MAGENTA);
731 scr_printf("%s", ptr->number);
735 scr_printf("%s", ptr->filename);
737 scr_printf(" (%s, %ld bytes)\n", ptr->mimetype, ptr->length);
738 if (!strncmp(ptr->mimetype, "image/", 6)) {
746 /* Save the attachments info for later */
747 last_message_parts = message->attachments;
753 if (pagin == 1 && !dest)
760 * replace string function for the built-in editor
762 void replace_string(char *filename, long int startpos)
771 int substitutions = 0;
775 scr_printf("Enter text to be replaced:\n: ");
776 ctdl_getline(srch_str, (sizeof(srch_str)-1) );
777 if (IsEmptyStr(srch_str)) {
781 scr_printf("Enter text to replace it with:\n: ");
782 ctdl_getline(rplc_str, (sizeof(rplc_str)-1) );
784 fp = fopen(filename, "r+");
790 fseek(fp, startpos, 0);
792 while (a = getc(fp), a > 0) {
794 buf[strlen(buf) + 1] = 0;
795 buf[strlen(buf)] = a;
796 if (strlen(buf) >= strlen(srch_str)) {
797 ptr = (&buf[strlen(buf) - strlen(srch_str)]);
798 if (!strncmp(ptr, srch_str, strlen(srch_str))) {
799 strcpy(ptr, rplc_str);
803 if (strlen(buf) > 384) {
806 rv = fwrite((char *) buf, 128, 1, fp);
808 scr_printf("failed to replace string: %s\n", strerror(errno));
811 strcpy(buf, &buf[128]);
817 if (!IsEmptyStr(buf)) {
818 rv = fwrite((char *) buf, strlen(buf), 1, fp);
822 rv = truncate(filename, wpos);
823 scr_printf("<R>eplace made %d substitution(s).\n\n", substitutions);
827 * Function to begin composing a new message
829 int client_make_message(CtdlIPC *ipc,
830 char *filename, /* temporary file name */
831 char *recipient, /* NULL if it's not mail */
835 char *subject, /* buffer to store subject line */
843 char *editor_path = NULL;
848 if ((mode-2) < MAX_EDITORS && !IsEmptyStr(editor_paths[mode-2]))
850 editor_path = editor_paths[mode-2];
851 } else if (!IsEmptyStr(editor_paths[0]))
853 editor_path = editor_paths[0];
855 scr_printf("*** No editor available; using built-in editor.\n");
860 fmt_date(datestr, sizeof datestr, time(NULL), 0);
863 if (room_flags & QR_ANONONLY && !recipient) {
864 snprintf(header, sizeof header, " ****");
867 snprintf(header, sizeof header,
870 (is_anonymous ? "[anonymous]" : fullname)
872 if (!IsEmptyStr(recipient)) {
873 size_t tmp = strlen(header);
874 snprintf(&header[tmp], sizeof header - tmp,
875 " to %s", recipient);
878 scr_printf("%s\n", header);
879 if (subject != NULL) if (!IsEmptyStr(subject)) {
880 scr_printf("Subject: %s\n", subject);
883 if ( (subject_required) && (IsEmptyStr(subject)) ) {
884 newprompt("Subject: ", subject, 70);
888 scr_printf("(Press ctrl-d when finished)\n");
892 fp = fopen(filename, "r");
894 fmout(screenwidth, fp, NULL, NULL, 0);
897 scr_printf("failed to get stream position %s\n",
901 fp = fopen(filename, "w");
903 scr_printf("*** Error opening temp file!\n %s: %s\n",
904 filename, strerror(errno)
915 fp = fopen(filename, "r+");
917 scr_printf("*** Error opening temp file!\n %s: %s\n",
918 filename, strerror(errno)
927 fp = fopen(filename, "a");
929 scr_printf("*** Error opening temp file!\n"
931 filename, strerror(errno));
951 default: /* allow 2+ modes */
952 e_ex_code = 1; /* start with a failed exit code */
953 stty_ctdl(SB_RESTORE);
955 cksum = file_checksum(filename);
956 if (editor_pid == 0) {
959 chmod(filename, 0600);
960 snprintf(tmp, sizeof tmp, "WINDOW_TITLE=%s", header);
962 execlp(editor_path, editor_path, filename, NULL);
968 b = ka_wait(&e_ex_code);
969 } while ((b != editor_pid) && (b >= 0));
975 MECR: if (mode >= 2) {
976 if (file_checksum(filename) == cksum) {
977 scr_printf("*** Aborted message.\n");
980 if (e_ex_code == 0) {
986 b = keymenu("Entry command (? for options)",
996 if (b == 'a') goto MEABT;
997 if (b == 'c') goto ME1;
998 if (b == 's') goto MEFIN;
1000 scr_printf(" %s from %s", datestr, fullname);
1001 if (!IsEmptyStr(recipient)) {
1002 scr_printf(" to %s", recipient);
1005 if (subject != NULL) if (!IsEmptyStr(subject)) {
1006 scr_printf("Subject: %s\n", subject);
1008 fp = fopen(filename, "r");
1010 fmout(screenwidth, fp, NULL, NULL, 0);
1011 /* TODO: why ftell if we ignore the result? */
1014 scr_printf("failed to get stream position %s\n",
1021 replace_string(filename, 0L);
1028 if (subject != NULL) {
1029 newprompt("Subject: ", subject, 70);
1036 MEABT: scr_printf("Are you sure? ");
1040 MEABT2: unlink(filename);
1046 * Make sure there's room in msg_arr[] for at least one more.
1048 void check_msg_arr_size(void) {
1049 if ((num_msgs + 1) > msg_arr_size) {
1050 msg_arr_size += 512;
1051 msg_arr = realloc(msg_arr,
1052 ((sizeof(long)) * msg_arr_size) );
1058 * break_big_lines() - break up lines that are >1024 characters
1059 * otherwise the server will truncate
1061 void break_big_lines(char *msg) {
1070 while (strlen(ptr) > 1000) {
1071 break_here = strchr(&ptr[900], ' ');
1072 if ((break_here == NULL) || (break_here > &ptr[999])) {
1073 break_here = &ptr[999];
1082 * entmsg() - edit and create a message
1083 * returns 0 if message was saved
1085 int entmsg(CtdlIPC *ipc,
1086 int is_reply, /* nonzero if this was a <R>eply command */
1088 int masquerade /* prompt for a non-default display name? */
1097 struct ctdlipcmessage message;
1098 unsigned long *msgarr = NULL;
1099 int r; /* IPC response code */
1100 int subject_required = 0;
1103 scr_printf("You may not enter messages in this type of room.\n");
1114 strcpy(subject, "");
1117 * First, check to see if we have permission to enter a message in
1118 * this room. The server will return an error code if we can't.
1120 strcpy(message.recipient, "");
1121 strcpy(message.author, "");
1122 strcpy(message.subject, "");
1123 strcpy(message.references, "");
1124 message.text = ""; /* point to "", changes later */
1125 message.anonymous = 0;
1126 message.type = mode;
1129 newprompt("Display name for this message: ", message.author, 40);
1134 if (!IsEmptyStr(reply_subject)) {
1135 if (!strncasecmp(reply_subject,
1137 strcpy(message.subject, reply_subject);
1140 snprintf(message.subject,
1141 sizeof message.subject,
1147 /* Trim down excessively long lists of thread references. We eliminate the
1148 * second one in the list so that the thread root remains intact.
1150 int rrtok = num_tokens(reply_references, '|');
1151 int rrlen = strlen(reply_references);
1152 if ( ((rrtok >= 3) && (rrlen > 900)) || (rrtok > 10) ) {
1153 remove_token(reply_references, 1, '|');
1156 snprintf(message.references, sizeof message.references, "%s%s%s",
1158 (IsEmptyStr(reply_references) ? "" : "|"),
1163 r = CtdlIPCPostMessage(ipc, 0, &subject_required, &message, buf);
1165 if (r / 100 != 2 && r / 10 != 57) {
1166 scr_printf("%s\n", buf);
1170 /* Error code 570 is special. It means that we CAN enter a message
1171 * in this room, but a recipient needs to be specified.
1178 /* If the user is a dumbass, tell them how to type. */
1179 if ((userflags & US_EXPERT) == 0) {
1180 formout(ipc, "entermsg");
1183 /* Handle the selection of a recipient, if necessary. */
1185 if (need_recp == 1) {
1186 if (axlevel >= AxProbU) {
1188 strcpy(buf, reply_to);
1190 scr_printf("Enter recipient: ");
1191 ctdl_getline(buf, (SIZ-100) );
1192 if (IsEmptyStr(buf))
1196 strcpy(buf, "sysop");
1198 strcpy(message.recipient, buf);
1200 if (room_flags & QR_ANONOPT) {
1201 scr_printf("Anonymous (Y/N)? ");
1203 message.anonymous = 1;
1206 /* If it's mail, we've got to check the validity of the recipient... */
1207 if (!IsEmptyStr(message.recipient)) {
1208 r = CtdlIPCPostMessage(ipc, 0, &subject_required, &message, buf);
1210 scr_printf("%s\n", buf);
1215 /* Learn the number of the newest message in in the room, so we can
1216 * tell upon saving whether someone else has posted too.
1219 r = CtdlIPCGetMessages(ipc, LastMessages, 1, NULL, &msgarr, buf);
1221 scr_printf("%s\n", buf);
1223 for (num_msgs = 0; msgarr[num_msgs]; num_msgs++)
1227 /* Now compose the message... */
1228 if (client_make_message(ipc, temp, message.recipient,
1229 message.anonymous, 0, c, message.subject, subject_required) != 0) {
1230 if (msgarr) free(msgarr);
1234 /* Reopen the temp file that was created, so we can send it */
1235 fp = fopen(temp, "r");
1237 if (!fp || !(message.text = load_message_from_file(fp))) {
1238 scr_printf("*** Internal error while trying to save message!\n"
1240 temp, strerror(errno));
1247 /* Break lines that are >1024 characters, otherwise the server
1248 * will truncate them.
1250 break_big_lines(message.text);
1252 /* Transmit message to the server */
1253 r = CtdlIPCPostMessage(ipc, 1, NULL, &message, buf);
1255 scr_printf("%s\n", buf);
1259 /* Yes, unlink it now, so it doesn't stick around if we crash */
1262 if (num_msgs >= 1) highmsg = msgarr[num_msgs - 1];
1264 if (msgarr) free(msgarr);
1266 r = CtdlIPCGetMessages(ipc, NewMessages, 0, NULL, &msgarr, buf);
1268 scr_printf("%s\n", buf);
1270 for (num_msgs = 0; msgarr[num_msgs]; num_msgs++)
1274 /* get new highest message number in room to set lrp for goto... */
1275 maxmsgnum = msgarr[num_msgs - 1];
1277 /* now see if anyone else has posted in here */
1279 for (a = 0; a < num_msgs; ++a) {
1280 if (msgarr[a] > highmsg) {
1284 if (msgarr) free(msgarr);
1287 /* In the Mail> room, this algorithm always counts one message
1288 * higher than in public rooms, so we decrement it by one.
1295 scr_printf("*** 1 additional message has been entered "
1296 "in this room by another user.\n");
1299 scr_printf("*** %d additional messages have been entered "
1300 "in this room by other users.\n", b);
1308 * Do editing on a quoted file
1310 void process_quote(void)
1312 FILE *qfile, *tfile;
1314 int line, qstart, qend;
1316 /* Unlink the second temp file as soon as it's opened, so it'll get
1317 * deleted even if the program dies
1319 qfile = fopen(temp2, "r");
1322 /* Display the quotable text with line numbers added */
1324 if (fgets(buf, 128, qfile) == NULL) {
1325 /* we're skipping a line here */
1327 while (fgets(buf, 128, qfile) != NULL) {
1328 scr_printf("%3d %s", ++line, buf);
1330 scr_printf("Begin quoting at [1] : ");
1331 ctdl_getline(buf, 4);
1332 qstart = (buf[0] == 0) ? (1) : atoi(buf);
1333 scr_printf(" End quoting at [%d] : ", line);
1334 ctdl_getline(buf, 4);
1335 qend = (buf[0] == 0) ? (line) : atoi(buf);
1338 if (fgets(buf, 128, qfile) == NULL) {
1339 /* we're skipping a line here */
1341 tfile = fopen(temp, "w");
1342 while (fgets(buf, 128, qfile) != NULL) {
1343 if ((++line >= qstart) && (line <= qend))
1344 fprintf(tfile, " >%s", buf);
1346 fprintf(tfile, " \n");
1355 * List the URL's which were embedded in the previous message
1357 void list_urls(CtdlIPC *ipc)
1363 if (num_urls == 0) {
1364 scr_printf("There were no URL's in the previous message.\n\n");
1368 for (i = 0; i < num_urls; ++i) {
1369 scr_printf("%3d %s\n", i + 1, urls[i]);
1372 if ((i = num_urls) != 1)
1373 i = intprompt("Display which one", 1, 1, num_urls);
1375 snprintf(cmd, sizeof cmd, rc_url_cmd, urls[i - 1]);
1378 scr_printf("failed to '%s' by %d\n", cmd, rv);
1384 * Run image viewer in background
1386 int do_image_view(const char *filename)
1391 snprintf(cmd, sizeof cmd, imagecmd, filename);
1398 if (childpid == 0) {
1400 pid_t grandchildpid;
1402 grandchildpid = fork();
1403 if (grandchildpid < 0) {
1404 return grandchildpid;
1407 if (grandchildpid == 0) {
1412 nullfd = open("/dev/null", O_WRONLY);
1419 retcode = system(cmd);
1429 if (grandchildpid > 0) {
1437 waitpid(childpid, &retcode, 0);
1446 * View an image attached to a message
1448 void image_view(CtdlIPC *ipc, unsigned long msg)
1450 struct parts *ptr = last_message_parts;
1454 /* Run through available parts */
1455 for (ptr = last_message_parts; ptr; ptr = ptr->next) {
1456 if ((!strcasecmp(ptr->disposition, "attachment")
1457 || !strcasecmp(ptr->disposition, "inline"))
1458 && !strncmp(ptr->mimetype, "image/", 6)) {
1461 strcpy(part, ptr->number);
1468 strprompt("View which part (0 when done)", part, SIZ-1);
1470 for (ptr = last_message_parts; ptr; ptr = ptr->next) {
1471 if ((!strcasecmp(ptr->disposition, "attachment")
1472 || !strcasecmp(ptr->disposition, "inline"))
1473 && !strncmp(ptr->mimetype, "image/", 6)
1474 && !strcasecmp(ptr->number, part)) {
1477 void *file = NULL; /* The downloaded file */
1482 r = CtdlIPCAttachmentDownload(ipc, msg, ptr->number, &file, progress, buf);
1484 scr_printf("%s\n", buf);
1488 len = (size_t)extract_long(buf, 0);
1489 progress(ipc, len, len);
1491 CtdlMakeTempFileName(tmp, sizeof tmp);
1492 strcat(tmp, ptr->filename);
1493 save_buffer(file, len, tmp);
1507 * Read the messages in the current room
1509 void readmsgs(CtdlIPC *ipc,
1510 enum MessageList c, /* see listing in citadel_ipc.h */
1511 enum MessageDirection rdir, /* 1=Forward (-1)=Reverse */
1512 int q /* Number of msgs to read (if c==3) */
1514 int a, e, f, g, start;
1520 char prtfile[PATH_MAX];
1523 char targ[ROOMNAMELEN];
1524 char filename[PATH_MAX];
1525 char save_to[PATH_MAX];
1526 void *attachment = NULL; /* Downloaded attachment */
1527 FILE *dest = NULL; /* Alternate destination other than screen */
1528 int r; /* IPC response code */
1529 static int att_seq = 0; /* Attachment download sequence number */
1530 int rv = 0; /* silence the stupid warn_unused_result warnings */
1532 CtdlMakeTempFileName(prtfile, sizeof prtfile);
1538 r = CtdlIPCGetMessages(ipc, c, q, NULL, &msg_arr, cmd);
1540 scr_printf("%s\n", cmd);
1542 for (num_msgs = 0; msg_arr[num_msgs]; num_msgs++)
1546 if (num_msgs == 0) { /* TODO look at this later */
1547 if (c == LastMessages) return;
1548 scr_printf("*** There are no ");
1549 if (c == NewMessages) scr_printf("new ");
1550 if (c == OldMessages) scr_printf("old ");
1551 scr_printf("messages in this room.\n");
1555 /* this loop cycles through each message... */
1556 start = ((rdir == 1) ? 0 : (num_msgs - 1));
1557 for (a = start; ((a < num_msgs) && (a >= 0)); a = a + rdir) {
1558 while (msg_arr[a] == 0L) {
1560 if ((a == num_msgs) || (a == (-1)))
1564 RAGAIN: pagin = ((arcflag == 0)
1566 && (userflags & US_PAGINATOR)) ? 1 : 0;
1568 /* If we're doing a quote, set the screenwidth to 72 */
1570 hold_sw = screenwidth;
1574 /* If printing or archiving, set the screenwidth to 80 */
1576 hold_sw = screenwidth;
1580 /* clear parts list */
1581 free_parts(last_message_parts);
1582 last_message_parts = NULL;
1584 /* now read the message... */
1585 e = read_message(ipc, msg_arr[a], pagin, dest);
1587 /* ...and set the screenwidth back if we have to */
1588 if ((quotflag) || (arcflag)) {
1589 screenwidth = hold_sw;
1592 highest_msg_read = msg_arr[a];
1597 enable_color = hold_color;
1606 enable_color = hold_color;
1609 if (freopen(prtfile, "r", stdin) == NULL) {
1610 /* we probably should handle the error condition here */
1612 stty_ctdl(SB_RESTORE);
1613 ka_system(printcmd);
1614 stty_ctdl(SB_NO_INTR);
1621 } while ((g != f) && (g >= 0));
1622 scr_printf("Message printed.\n");
1624 if (rc_alt_semantics && c == 1) {
1627 r = CtdlIPCSetMessageSeen(ipc, msg_arr[a], 1, buf);
1631 if (((userflags & US_NOPROMPT) || (e == SIGINT))
1632 && (((room_flags & QR_MAILBOX) == 0)
1633 || (rc_force_mail_prompts == 0))) {
1638 color(BRIGHT_WHITE);
1639 scr_printf("%d", num_msgs - a - 1);
1643 keyopt("<B>ack <A>gain <R>eply reply<Q>uoted <N>ext <S>top ");
1644 if (rc_url_cmd[0] && num_urls)
1645 keyopt("<U>RLview ");
1646 if (has_images > 0 && !IsEmptyStr(imagecmd))
1647 keyopt("<I>mages ");
1648 keyopt("<?>help -> ");
1651 e = (inkey() & 127);
1653 /* return key same as <N> */ if (e == 10)
1655 /* space key same as <N> */ if (e == 32)
1657 /* del/move for aides only */
1658 if ( (!is_room_aide)
1659 && ((room_flags & QR_MAILBOX) == 0)
1660 && ((room_flags2 & QR2_COLLABDEL) == 0)
1662 if ((e == 'd') || (e == 'm'))
1665 /* print only if available */
1666 if ((e == 'p') && (IsEmptyStr(printcmd)))
1668 /* can't file if not allowed */
1670 && (rc_allow_attachments == 0))
1672 /* link only if browser avail*/
1674 && (IsEmptyStr(rc_url_cmd)))
1677 && (IsEmptyStr(imagecmd) || !has_images))
1679 } while ((e != 'a') && (e != 'n') && (e != 's')
1680 && (e != 'd') && (e != 'm') && (e != 'p')
1681 && (e != 'q') && (e != 'b') && (e != 'h')
1682 && (e != 'r') && (e != 'f') && (e != '?')
1683 && (e != 'u') && (e != 'c') && (e != 'y')
1684 && (e != 'i') && (e != 'o') );
1690 scr_printf("Again");
1693 scr_printf("Delete");
1705 scr_printf("Print");
1708 scr_printf("reply Quoted");
1714 scr_printf("Header");
1717 scr_printf("Reply");
1720 scr_printf("Open attachments");
1726 scr_printf("URL's");
1729 scr_printf("mY next");
1734 scr_printf("? <help>");
1737 if (userflags & US_DISAPPEAR || e == 'i')
1738 scr_printf("\r%79s\r", "");
1742 DONE_QUOTING: switch (e) {
1744 scr_printf("Options available here:\n"
1745 " ? Help (prints this message)\n"
1746 " S Stop reading immediately\n"
1747 " A Again (repeats last message)\n"
1748 " N Next (continue with next message)\n"
1749 " Y My Next (continue with next message you authored)\n"
1750 " B Back (go back to previous message)\n");
1752 || (room_flags & QR_MAILBOX)
1753 || (room_flags2 & QR2_COLLABDEL)
1755 scr_printf(" D Delete this message\n"
1756 " M Move message to another room\n");
1758 scr_printf(" C Copy message to another room\n");
1759 if (!IsEmptyStr(printcmd))
1760 scr_printf(" P Print this message\n");
1762 " Q Reply to this message, quoting portions of it\n"
1763 " H Headers (display message headers only)\n");
1765 scr_printf(" R Reply to this message\n");
1766 if (rc_allow_attachments) {
1767 scr_printf(" O (Open attachments)\n");
1768 scr_printf(" F (save attachments to a File)\n");
1770 if (!IsEmptyStr(rc_url_cmd))
1771 scr_printf(" U (list URL's for display)\n");
1772 if (!IsEmptyStr(imagecmd) && has_images > 0)
1773 scr_printf(" I Image viewer\n");
1778 dest = fopen(prtfile, "w");
1780 hold_color = enable_color;
1785 dest = fopen(temp2, "w");
1787 hold_color = enable_color;
1799 newprompt("Enter target room: ",
1800 targ, ROOMNAMELEN - 1);
1801 if (!IsEmptyStr(targ)) {
1802 r = CtdlIPCMoveMessage(ipc, (e == 'c' ? 1 : 0),
1803 msg_arr[a], targ, cmd);
1804 scr_printf("%s\n", cmd);
1810 if (r / 100 != 2) /* r will be init'ed, FIXME */
1811 goto RMSGREAD; /* the logic here sucks */
1815 newprompt("Which section? ", filename, ((sizeof filename) - 1));
1816 r = CtdlIPCAttachmentDownload(ipc, msg_arr[a],
1817 filename, &attachment, progress, cmd);
1819 scr_printf("%s\n", cmd);
1821 extract_token(filename, cmd, 2, '|', sizeof filename);
1823 * Part 1 won't have a filename; use the
1824 * subject of the message instead. IO
1826 if (IsEmptyStr(filename)) {
1827 strcpy(filename, reply_subject);
1829 if (e == 'o') { /* open attachment */
1830 mkdir(tempdir, 0700);
1831 snprintf(save_to, sizeof save_to, "%s/%04x.%s",
1835 save_buffer(attachment, extract_unsigned_long(cmd, 0), save_to);
1836 snprintf(cmd, sizeof cmd, rc_open_cmd, save_to);
1839 scr_printf("failed to save %s Reason %d\n", cmd, rv);
1841 else { /* save attachment to disk */
1842 destination_directory(save_to, filename);
1843 save_buffer(attachment, extract_unsigned_long(cmd, 0), save_to);
1852 scr_printf("*** Delete this message? ");
1854 r = CtdlIPCDeleteMessage(ipc, msg_arr[a], cmd);
1855 scr_printf("%s\n", cmd);
1863 read_message(ipc, msg_arr[a], READ_HEADER, NULL);
1866 savedpos = num_msgs;
1867 entmsg(ipc, 1, ((userflags & US_EXTEDIT) ? 2 : 0), 0);
1868 num_msgs = savedpos;
1874 image_view(ipc, msg_arr[a]);
1877 { /* hack hack hack */
1878 /* find the next message by me, stay here if we find nothing */
1881 for (finda = (a + rdir); ((finda < num_msgs) && (finda >= 0)); finda += rdir)
1883 /* This is repetitively dumb, but that's what computers are for.
1884 We have to load up messages until we find one by us */
1887 struct ctdlipcmessage *msg = NULL;
1889 /* read the header so we can get 'from=' */
1890 r = CtdlIPCGetSingleMessage(ipc, msg_arr[finda], 1, 0, &msg, buf);
1891 if (!strncasecmp(msg->author, fullname, sizeof(fullname))) {
1892 a = lasta; /* meesa current */
1900 lasta = finda; /* keep one behind or we skip on the reentrance to the for */
1904 } /* end for loop */
1905 } /* end read routine */
1911 * View and edit a system message
1913 void edit_system_message(CtdlIPC *ipc, char *which_message)
1917 char write_cmd[SIZ];
1919 snprintf(desc, sizeof desc, "system message '%s'", which_message);
1920 snprintf(read_cmd, sizeof read_cmd, "MESG %s", which_message);
1921 snprintf(write_cmd, sizeof write_cmd, "EMSG %s", which_message);
1922 do_edit(ipc, desc, read_cmd, "NOOP", write_cmd);
1929 * Verify the message base
1931 void check_message_base(CtdlIPC *ipc)
1934 char *transcript = NULL;
1935 int r; /* IPC response code */
1938 ("Please read the documentation before running this command.\n"
1939 "Having done so, do you still want to check the message base? ");
1943 r = CtdlIPCMessageBaseCheck(ipc, &transcript, buf);
1945 scr_printf("%s\n", buf);
1949 while (transcript && !IsEmptyStr(transcript)) {
1950 extract_token(buf, transcript, 0, '\n', sizeof buf);
1951 remove_token(transcript, 0, '\n');
1952 scr_printf("%s\n", buf);
1954 if (transcript) free(transcript);
1960 * Loads the contents of a file into memory. Caller must free the allocated
1963 char *load_message_from_file(FILE *src)
1969 fseek(src, 0, SEEK_END);
1973 dest = (char *)calloc(1, i + 1);
1980 g = fread(dest + got, 1, i - got, src);
1983 /* Interrupted system call, keep going */
1986 /* At this point we have either EOF or error */