2 * Text client functions for reading and writing of messages
4 * Copyright (c) 1987-2012 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.
18 #include <sys/types.h>
29 #if TIME_WITH_SYS_TIME
30 # include <sys/time.h>
34 # include <sys/time.h>
45 #include <libcitadel.h>
46 ///#include "citadel.h"
47 #include "citadel_ipc.h"
48 #include "citadel_decls.h"
51 #include "tuiconfig.h"
53 //#ifndef HAVE_SNPRINTF
54 ///#include "snprintf.h"
58 #define MAXWORDBUF SIZ
59 #define NO_REPLY_TO "nobody ... xxxxxx"
62 char reply_subject[SIZ];
63 char reply_references[SIZ];
64 char reply_inreplyto[SIZ];
68 char text[MAXWORDBUF];
71 void stty_ctdl(int cmd);
72 int haschar(const char *st, int ch);
73 int file_checksum(char *filename);
74 void progress(CtdlIPC* ipc, unsigned long curr, unsigned long cmax);
76 unsigned long *msg_arr = NULL;
79 extern char room_name[];
80 extern char tempdir[];
81 extern unsigned room_flags;
82 extern unsigned room_flags2;
84 extern long highest_msg_read;
87 extern int screenwidth;
88 extern int screenheight;
89 extern long maxmsgnum;
92 extern char is_room_aide;
93 extern char fullname[];
95 extern unsigned userflags;
96 extern char sigcaught;
97 extern char printcmd[];
98 extern int rc_allow_attachments;
99 extern int rc_display_message_numbers;
100 extern int rc_force_mail_prompts;
101 extern int editor_pid;
102 extern CtdlIPC *ipc_for_signal_handlers; /* KLUDGE cover your eyes */
104 char urls[MAXURLS][SIZ];
106 int has_images = 0; /* Current msg has images */
107 struct parts *last_message_parts = NULL; /* Parts from last msg */
111 void ka_sigcatch(int signum)
114 signal(SIGALRM, ka_sigcatch);
115 CtdlIPCNoop(ipc_for_signal_handlers);
120 * server keep-alive version of wait() (needed for external editor)
122 pid_t ka_wait(int *kstatus)
127 signal(SIGALRM, ka_sigcatch);
131 } while (errno == EINTR);
132 signal(SIGALRM, SIG_IGN);
139 * version of system() that uses ka_wait()
141 int ka_system(char *shc)
150 perror("Cannot fork");
152 return ((pid_t) childpid);
156 execlp("/bin/sh", "sh", "-c", shc, NULL);
162 waitpid = ka_wait(&retcode);
163 } while (waitpid != childpid);
173 * add a newline to the buffer...
175 void add_newline(struct cittext *textlist)
180 while (ptr->next != NULL)
183 while (ptr->text[strlen(ptr->text) - 1] == 32)
184 ptr->text[strlen(ptr->text) - 1] = 0;
185 /* strcat(ptr->text,"\n"); */
187 ptr->next = (struct cittext *)
188 malloc(sizeof(struct cittext));
191 strcpy(ptr->text, "");
196 * add a word to the buffer...
198 void add_word(struct cittext *textlist, char *wordbuf)
203 while (ptr->next != NULL)
206 if (3 + strlen(ptr->text) + strlen(wordbuf) > screenwidth) {
207 ptr->next = (struct cittext *)
208 malloc(sizeof(struct cittext));
211 strcpy(ptr->text, "");
214 strcat(ptr->text, wordbuf);
215 strcat(ptr->text, " ");
220 * begin editing of an opened file pointed to by fp
222 void citedit(FILE *fp)
224 int a, prev, finished, b, last_space;
226 struct cittext *textlist = NULL;
228 char wordbuf[MAXWORDBUF];
231 /* first, load the text into the buffer */
233 textlist = (struct cittext *) malloc(sizeof(struct cittext));
234 textlist->next = NULL;
235 strcpy(textlist->text, "");
239 while (a = getc(fp), a >= 0) {
241 if ((a == 32) || (a == 9) || (a == 13) || (a == 10)) {
242 add_word(textlist, wordbuf);
244 if ((prev == 13) || (prev == 10)) {
245 add_word(textlist, "\n");
246 add_newline(textlist);
247 add_word(textlist, "");
250 wordbuf[strlen(wordbuf) + 1] = 0;
251 wordbuf[strlen(wordbuf)] = a;
253 if (strlen(wordbuf) + 3 > screenwidth) {
254 add_word(textlist, wordbuf);
262 prev = (appending ? 13 : (-1));
274 if ((a != 32) && (prev == 13)) {
275 add_word(textlist, "\n");
279 if ((a == 32) && (prev == 13)) {
280 add_word(textlist, "\n");
281 add_newline(textlist);
285 if (!IsEmptyStr(wordbuf)) {
286 wordbuf[strlen(wordbuf) - 1] = 0;
291 } else if (a == 23) {
293 wordbuf[strlen(wordbuf) - 1] = 0;
297 } while (!IsEmptyStr(wordbuf) && wordbuf[strlen(wordbuf) - 1] != ' ');
298 } else if (a == 13) {
300 if (IsEmptyStr(wordbuf))
303 for (b = 0; b < strlen(wordbuf); ++b)
304 if (wordbuf[b] == 32) {
312 add_word(textlist, wordbuf);
317 wordbuf[strlen(wordbuf) + 1] = 0;
318 wordbuf[strlen(wordbuf)] = a;
320 if ((strlen(wordbuf) + 3) > screenwidth) {
322 for (b = 0; b < strlen(wordbuf); ++b)
323 if (wordbuf[b] == 32)
325 if (last_space >= 0) {
326 for (b = 0; b < strlen(wordbuf); ++b)
327 if (wordbuf[b] == 32) {
335 for (b = 0; b < strlen(wordbuf); ++b) {
340 scr_printf("\n%s", wordbuf);
342 add_word(textlist, wordbuf);
348 } while (finished == 0);
351 /* write the buffer back to disk */
353 for (ptr = textlist; ptr != NULL; ptr = ptr->next) {
354 fprintf(fp, "%s", ptr->text);
358 rv = ftruncate(fileno(fp), ftell(fp));
360 scr_printf("failed to set message buffer: %s\n", strerror(errno));
363 /* and deallocate the memory we used */
364 while (textlist != NULL) {
365 ptr = textlist->next;
373 * Free the struct parts
375 void free_parts(struct parts *p)
377 struct parts *a_part = p;
383 a_part = a_part->next;
390 * This is a mini RFC2047 decoder.
391 * It only handles strings encoded from UTF-8 as Quoted-printable.
393 void mini_2047_decode(char *s) {
396 char *qstart = strstr(s, "=?UTF-8?Q?");
399 char *qend = strstr(s, "?=");
402 if (qend <= qstart) return;
404 strcpy(qstart, &qstart[10]);
417 sscanf(ch, "%02x", &c);
419 strcpy(&p[1], &p[3]);
430 strcpy(qend, &qend[2]);
434 * Read a message from the server
436 int read_message(CtdlIPC *ipc,
437 long num, /* message number */
438 int pagin, /* 0 = normal read, 1 = read with pagination, 2 = header */
439 FILE *dest) /* Destination file, NULL for screen */
446 struct ctdlipcmessage *message = NULL;
447 int r; /* IPC response code */
448 char *converted_text = NULL;
455 int final_line_is_blank = 0;
462 strcpy(reply_to, NO_REPLY_TO);
463 strcpy(reply_subject, "");
464 strcpy(reply_references, "");
465 strcpy(reply_inreplyto, "");
467 r = CtdlIPCGetSingleMessage(ipc, num, (pagin == READ_HEADER ? 1 : 0), 4, &message, buf);
469 scr_printf("*** msg #%ld: %d %s\n", num, r, buf);
472 free_parts(message->attachments);
478 fprintf(dest, "\n ");
484 if (pagin == 1 && !dest) {
488 /* View headers only */
490 scr_printf("nhdr=%s\nfrom=%s\ntype=%d\nmsgn=%s\n",
491 message->nhdr ? "yes" : "no",
492 message->author, message->type,
494 if (!IsEmptyStr(message->subject)) {
495 scr_printf("subj=%s\n", message->subject);
497 if (!IsEmptyStr(message->email)) {
498 scr_printf("rfca=%s\n", message->email);
500 scr_printf("hnod=%s\nroom=%s\nnode=%s\ntime=%s",
501 message->hnod, message->room,
503 asctime(localtime(&message->time)));
504 if (!IsEmptyStr(message->recipient)) {
505 scr_printf("rcpt=%s\n", message->recipient);
507 if (message->attachments) {
510 for (ptr = message->attachments; ptr; ptr = ptr->next) {
511 scr_printf("part=%s|%s|%s|%s|%s|%ld\n",
512 ptr->name, ptr->filename, ptr->number,
513 ptr->disposition, ptr->mimetype,
521 free_parts(message->attachments);
526 if (rc_display_message_numbers) {
528 fprintf(dest, "[#%s] ", message->msgid);
533 scr_printf("#%s", message->msgid);
538 if (nhdr == 1 && !is_room_aide) {
540 fprintf(dest, " ****");
545 fmt_date(now, sizeof now, message->time, 0);
547 fprintf(dest, "%s from %s ", now, message->author);
548 if (!IsEmptyStr(message->email)) {
549 fprintf(dest, "<%s> ", message->email);
553 scr_printf("%s ", now);
557 scr_printf("%s ", message->author);
558 if (!IsEmptyStr(message->email)) {
562 scr_printf("%s", message->email);
567 if (!IsEmptyStr(message->node)) {
568 if ((room_flags & QR_NETWORK)
569 || ((strcasecmp(message->node, ipc->ServInfo.nodename)
570 && (strcasecmp(message->node, ipc->ServInfo.fqdn))))) {
571 if (IsEmptyStr(message->email)) {
573 fprintf(dest, "@%s ", message->node);
577 color(BRIGHT_YELLOW);
578 scr_printf("%s ", message->node);
583 if (strcasecmp(message->hnod, ipc->ServInfo.humannode)
584 && (!IsEmptyStr(message->hnod)) && (IsEmptyStr(message->email))) {
586 fprintf(dest, "(%s) ", message->hnod);
591 scr_printf("%s", message->hnod);
596 if (strcasecmp(message->room, room_name) && (IsEmptyStr(message->email))) {
598 fprintf(dest, "in %s> ", message->room);
602 color(BRIGHT_MAGENTA);
603 scr_printf("%s> ", message->room);
606 if (!IsEmptyStr(message->recipient)) {
608 fprintf(dest, "to %s ", message->recipient);
613 scr_printf("%s ", message->recipient);
624 /* Set the reply-to address to an Internet e-mail address if possible
626 if ((message->email != NULL) && (!IsEmptyStr(message->email))) {
627 if (!IsEmptyStr(message->author)) {
628 snprintf(reply_to, sizeof reply_to, "%s <%s>", message->author, message->email);
631 safestrncpy(reply_to, message->email, sizeof reply_to);
635 /* But if we can't do that, set it to a Citadel address.
637 if (!strcmp(reply_to, NO_REPLY_TO)) {
638 snprintf(reply_to, sizeof(reply_to), "%s @ %s",
639 message->author, message->node);
642 if (message->msgid != NULL) {
643 safestrncpy(reply_inreplyto, message->msgid, sizeof reply_inreplyto);
646 if (message->references != NULL) if (!IsEmptyStr(message->references)) {
647 safestrncpy(reply_references, message->references, sizeof reply_references);
650 if (message->subject != NULL) {
651 safestrncpy(reply_subject, message->subject, sizeof reply_subject);
652 if (!IsEmptyStr(message->subject)) {
654 fprintf(dest, "Subject: %s\n", message->subject);
657 scr_printf("Subject: ");
659 mini_2047_decode(message->subject);
660 scr_printf("%s\n", message->subject);
665 if (pagin == 1 && !dest) {
669 /******* end of header output, start of message text output *******/
672 * Convert HTML to plain text, formatting for the actual width
673 * of the client screen.
675 if (!strcasecmp(message->content_type, "text/html")) {
676 converted_text = html_to_ascii(message->text, 0, screenwidth, 0);
677 if (converted_text != NULL) {
679 message->text = converted_text;
684 /* Text/plain is a different type */
685 if (!strcasecmp(message->content_type, "text/plain")) {
690 static char *urlprefixes[] = {
696 num_urls = 0; /* Start with a clean slate */
697 for (p=0; p<(sizeof urlprefixes / sizeof(char *)); ++p) {
698 searchptr = message->text;
699 while ( (searchptr != NULL) && (num_urls < MAXURLS) ) {
700 searchptr = strstr(searchptr, urlprefixes[p]);
701 if (searchptr != NULL) {
702 safestrncpy(urls[num_urls], searchptr, sizeof(urls[num_urls]));
703 for (i = 0; i < strlen(urls[num_urls]); i++) {
704 ch = urls[num_urls][i];
705 if (ch == '>' || ch == '\"' || ch == ')' ||
706 ch == ' ' || ch == '\n') {
707 urls[num_urls][i] = 0;
720 if (format_type == 0) {
721 fr = fmout(screenwidth, NULL, message->text, dest, 1);
723 /* renderer for text/plain */
725 lineptr = message->text;
728 nextline = strchr(lineptr, '\n');
729 if (nextline != NULL) {
732 if (*nextline == 0) nextline = NULL;
735 if (sigcaught == 0) {
736 linelen = strlen(lineptr);
737 if (linelen && (lineptr[linelen-1] == '\r')) {
738 lineptr[--linelen] = 0;
741 fprintf(dest, "%s\n", lineptr);
743 scr_printf("%s\n", lineptr);
746 if (lineptr[0] == 0) final_line_is_blank = 1;
747 else final_line_is_blank = 0;
752 if (!final_line_is_blank) {
762 /* Enumerate any attachments */
763 if ( (pagin == 1) && (message->attachments) ) {
766 for (ptr = message->attachments; ptr; ptr = ptr->next) {
767 if ( (!strcasecmp(ptr->disposition, "attachment"))
768 || (!strcasecmp(ptr->disposition, "inline"))
769 || (!strcasecmp(ptr->disposition, ""))
771 if ( (strcasecmp(ptr->number, message->mime_chosen))
772 && (!IsEmptyStr(ptr->mimetype))
776 color(BRIGHT_MAGENTA);
777 scr_printf("%s", ptr->number);
781 scr_printf("%s", ptr->filename);
783 scr_printf(" (%s, %ld bytes)\n", ptr->mimetype, ptr->length);
784 if (!strncmp(ptr->mimetype, "image/", 6)) {
792 /* Save the attachments info for later */
793 last_message_parts = message->attachments;
799 if (pagin == 1 && !dest)
806 * replace string function for the built-in editor
808 void replace_string(char *filename, long int startpos)
817 int substitutions = 0;
821 newprompt("Enter text to be replaced: ", srch_str, (sizeof(srch_str)-1) );
822 if (IsEmptyStr(srch_str)) {
826 newprompt("Enter text to replace it with: ", rplc_str, (sizeof(rplc_str)-1) );
828 fp = fopen(filename, "r+");
834 fseek(fp, startpos, 0);
836 while (a = getc(fp), a > 0) {
838 buf[strlen(buf) + 1] = 0;
839 buf[strlen(buf)] = a;
840 if (strlen(buf) >= strlen(srch_str)) {
841 ptr = (&buf[strlen(buf) - strlen(srch_str)]);
842 if (!strncmp(ptr, srch_str, strlen(srch_str))) {
843 strcpy(ptr, rplc_str);
847 if (strlen(buf) > 384) {
850 rv = fwrite((char *) buf, 128, 1, fp);
852 scr_printf("failed to replace string: %s\n", strerror(errno));
855 strcpy(buf, &buf[128]);
861 if (!IsEmptyStr(buf)) {
862 rv = fwrite((char *) buf, strlen(buf), 1, fp);
866 rv = truncate(filename, wpos);
867 scr_printf("<R>eplace made %d substitution(s).\n\n", substitutions);
871 * Function to begin composing a new message
873 int client_make_message(CtdlIPC *ipc,
874 char *filename, /* temporary file name */
875 char *recipient, /* NULL if it's not mail */
879 char *subject, /* buffer to store subject line */
889 if ( (mode == 2) && (IsEmptyStr(editor_path)) ) {
890 scr_printf("*** No editor available; using built-in editor.\n");
894 fmt_date(datestr, sizeof datestr, time(NULL), 0);
897 if (room_flags & QR_ANONONLY && !recipient) {
898 snprintf(header, sizeof header, " ****");
901 snprintf(header, sizeof header,
904 (is_anonymous ? "[anonymous]" : fullname)
906 if (!IsEmptyStr(recipient)) {
907 size_t tmp = strlen(header);
908 snprintf(&header[tmp], sizeof header - tmp,
909 " to %s", recipient);
912 scr_printf("%s\n", header);
913 if (subject != NULL) if (!IsEmptyStr(subject)) {
914 scr_printf("Subject: %s\n", subject);
917 if ( (subject_required) && (IsEmptyStr(subject)) ) {
918 newprompt("Subject: ", subject, 70);
922 scr_printf("(Press ctrl-d when finished)\n");
926 fp = fopen(filename, "r");
928 fmout(screenwidth, fp, NULL, NULL, 0);
931 scr_printf("failed to get stream position %s\n",
935 fp = fopen(filename, "w");
937 scr_printf("*** Error opening temp file!\n %s: %s\n",
938 filename, strerror(errno)
949 fp = fopen(filename, "r+");
951 scr_printf("*** Error opening temp file!\n %s: %s\n",
952 filename, strerror(errno)
961 fp = fopen(filename, "a");
963 scr_printf("*** Error opening temp file!\n"
965 filename, strerror(errno));
985 default: /* allow 2+ modes */
986 e_ex_code = 1; /* start with a failed exit code */
987 stty_ctdl(SB_RESTORE);
989 cksum = file_checksum(filename);
990 if (editor_pid == 0) {
993 chmod(filename, 0600);
994 snprintf(tmp, sizeof tmp, "WINDOW_TITLE=%s", header);
996 execlp(editor_path, editor_path, filename, NULL);
1002 b = ka_wait(&e_ex_code);
1003 } while ((b != editor_pid) && (b >= 0));
1009 MECR: if (mode >= 2) {
1010 if (file_checksum(filename) == cksum) {
1011 scr_printf("*** Aborted message.\n");
1014 if (e_ex_code == 0) {
1020 b = keymenu("Entry command (? for options)",
1024 "<P>rint formatted|"
1030 if (b == 'a') goto MEABT;
1031 if (b == 'c') goto ME1;
1032 if (b == 's') goto MEFIN;
1034 scr_printf(" %s from %s", datestr, fullname);
1035 if (!IsEmptyStr(recipient)) {
1036 scr_printf(" to %s", recipient);
1039 if (subject != NULL) if (!IsEmptyStr(subject)) {
1040 scr_printf("Subject: %s\n", subject);
1042 fp = fopen(filename, "r");
1044 fmout(screenwidth, fp, NULL, NULL, 0);
1047 scr_printf("failed to get stream position %s\n",
1054 replace_string(filename, 0L);
1061 if (subject != NULL) {
1062 newprompt("Subject: ", subject, 70);
1069 MEABT: scr_printf("Are you sure? ");
1073 MEABT2: unlink(filename);
1079 * Make sure there's room in msg_arr[] for at least one more.
1081 void check_msg_arr_size(void) {
1082 if ((num_msgs + 1) > msg_arr_size) {
1083 msg_arr_size += 512;
1084 msg_arr = realloc(msg_arr,
1085 ((sizeof(long)) * msg_arr_size) );
1091 * break_big_lines() - break up lines that are >1024 characters
1092 * otherwise the server will truncate
1094 void break_big_lines(char *msg) {
1103 while (strlen(ptr) > 1000) {
1104 break_here = strchr(&ptr[900], ' ');
1105 if ((break_here == NULL) || (break_here > &ptr[999])) {
1106 break_here = &ptr[999];
1115 * entmsg() - edit and create a message
1116 * returns 0 if message was saved
1118 int entmsg(CtdlIPC *ipc,
1119 int is_reply, /* nonzero if this was a <R>eply command */
1121 int masquerade /* prompt for a non-default display name? */
1130 struct ctdlipcmessage message;
1131 unsigned long *msgarr = NULL;
1132 int r; /* IPC response code */
1133 int subject_required = 0;
1136 scr_printf("You may not enter messages in this type of room.\n");
1147 strcpy(subject, "");
1150 * First, check to see if we have permission to enter a message in
1151 * this room. The server will return an error code if we can't.
1153 strcpy(message.recipient, "");
1154 strcpy(message.author, "");
1155 strcpy(message.subject, "");
1156 strcpy(message.references, "");
1157 message.text = ""; /* point to "", changes later */
1158 message.anonymous = 0;
1159 message.type = mode;
1162 newprompt("Display name for this message: ", message.author, 40);
1167 if (!IsEmptyStr(reply_subject)) {
1168 if (!strncasecmp(reply_subject,
1170 strcpy(message.subject, reply_subject);
1173 snprintf(message.subject,
1174 sizeof message.subject,
1180 /* Trim down excessively long lists of thread references. We eliminate the
1181 * second one in the list so that the thread root remains intact.
1183 int rrtok = num_tokens(reply_references, '|');
1184 int rrlen = strlen(reply_references);
1185 if ( ((rrtok >= 3) && (rrlen > 900)) || (rrtok > 10) ) {
1186 remove_token(reply_references, 1, '|');
1189 snprintf(message.references, sizeof message.references, "%s%s%s",
1191 (IsEmptyStr(reply_references) ? "" : "|"),
1196 r = CtdlIPCPostMessage(ipc, 0, &subject_required, &message, buf);
1198 if (r / 100 != 2 && r / 10 != 57) {
1199 scr_printf("%s\n", buf);
1203 /* Error code 570 is special. It means that we CAN enter a message
1204 * in this room, but a recipient needs to be specified.
1211 /* If the user is a dumbass, tell them how to type. */
1212 if ((userflags & US_EXPERT) == 0) {
1213 formout(ipc, "entermsg");
1216 /* Handle the selection of a recipient, if necessary. */
1218 if (need_recp == 1) {
1219 if (axlevel >= AxProbU) {
1221 strcpy(buf, reply_to);
1223 newprompt("Enter recipient: ", buf, SIZ-100);
1224 if (IsEmptyStr(buf)) {
1229 strcpy(buf, "sysop");
1231 strcpy(message.recipient, buf);
1233 if (room_flags & QR_ANONOPT) {
1234 scr_printf("Anonymous (Y/N)? ");
1236 message.anonymous = 1;
1239 /* If it's mail, we've got to check the validity of the recipient... */
1240 if (!IsEmptyStr(message.recipient)) {
1241 r = CtdlIPCPostMessage(ipc, 0, &subject_required, &message, buf);
1243 scr_printf("%s\n", buf);
1248 /* Learn the number of the newest message in in the room, so we can
1249 * tell upon saving whether someone else has posted too.
1252 r = CtdlIPCGetMessages(ipc, LastMessages, 1, NULL, &msgarr, buf);
1254 scr_printf("%s\n", buf);
1256 for (num_msgs = 0; msgarr[num_msgs]; num_msgs++)
1260 /* Now compose the message... */
1261 if (client_make_message(ipc, temp, message.recipient,
1262 message.anonymous, 0, c, message.subject, subject_required) != 0) {
1263 if (msgarr) free(msgarr);
1267 /* Reopen the temp file that was created, so we can send it */
1268 fp = fopen(temp, "r");
1270 if (!fp || !(message.text = load_message_from_file(fp))) {
1271 scr_printf("*** Internal error while trying to save message!\n"
1273 temp, strerror(errno));
1280 /* Break lines that are >1024 characters, otherwise the server
1281 * will truncate them.
1283 break_big_lines(message.text);
1285 /* Transmit message to the server */
1286 r = CtdlIPCPostMessage(ipc, 1, NULL, &message, buf);
1288 scr_printf("%s\n", buf);
1292 /* Yes, unlink it now, so it doesn't stick around if we crash */
1295 if (num_msgs >= 1) highmsg = msgarr[num_msgs - 1];
1297 if (msgarr) free(msgarr);
1299 r = CtdlIPCGetMessages(ipc, NewMessages, 0, NULL, &msgarr, buf);
1301 scr_printf("%s\n", buf);
1303 for (num_msgs = 0; msgarr[num_msgs]; num_msgs++)
1307 /* get new highest message number in room to set lrp for goto... */
1308 maxmsgnum = msgarr[num_msgs - 1];
1310 /* now see if anyone else has posted in here */
1312 for (a = 0; a < num_msgs; ++a) {
1313 if (msgarr[a] > highmsg) {
1317 if (msgarr) free(msgarr);
1320 /* In the Mail> room, this algorithm always counts one message
1321 * higher than in public rooms, so we decrement it by one.
1328 scr_printf("*** 1 additional message has been entered "
1329 "in this room by another user.\n");
1332 scr_printf("*** %d additional messages have been entered "
1333 "in this room by other users.\n", b);
1341 * Do editing on a quoted file
1343 void process_quote(void)
1345 FILE *qfile, *tfile;
1347 int line, qstart, qend;
1349 /* Unlink the second temp file as soon as it's opened, so it'll get
1350 * deleted even if the program dies
1352 qfile = fopen(temp2, "r");
1355 /* Display the quotable text with line numbers added */
1357 if (fgets(buf, 128, qfile) == NULL) {
1358 /* we're skipping a line here */
1360 while (fgets(buf, 128, qfile) != NULL) {
1361 scr_printf("%3d %s", ++line, buf);
1364 qstart = intprompt("Begin quoting at", 1, 1, line);
1365 qend = intprompt(" End quoting at", line, qstart, line);
1369 if (fgets(buf, 128, qfile) == NULL) {
1370 /* we're skipping a line here */
1372 tfile = fopen(temp, "w");
1373 while (fgets(buf, 128, qfile) != NULL) {
1374 if ((++line >= qstart) && (line <= qend))
1375 fprintf(tfile, " >%s", buf);
1377 fprintf(tfile, " \n");
1386 * List the URL's which were embedded in the previous message
1388 void list_urls(CtdlIPC *ipc)
1394 if (num_urls == 0) {
1395 scr_printf("There were no URL's in the previous message.\n\n");
1399 for (i = 0; i < num_urls; ++i) {
1400 scr_printf("%3d %s\n", i + 1, urls[i]);
1403 if ((i = num_urls) != 1)
1404 i = intprompt("Display which one", 1, 1, num_urls);
1406 snprintf(cmd, sizeof cmd, rc_url_cmd, urls[i - 1]);
1409 scr_printf("failed to '%s' by %d\n", cmd, rv);
1415 * Run image viewer in background
1417 int do_image_view(const char *filename)
1422 snprintf(cmd, sizeof cmd, imagecmd, filename);
1429 if (childpid == 0) {
1431 pid_t grandchildpid;
1433 grandchildpid = fork();
1434 if (grandchildpid < 0) {
1435 return grandchildpid;
1438 if (grandchildpid == 0) {
1443 nullfd = open("/dev/null", O_WRONLY);
1450 retcode = system(cmd);
1460 if (grandchildpid > 0) {
1468 waitpid(childpid, &retcode, 0);
1477 * View an image attached to a message
1479 void image_view(CtdlIPC *ipc, unsigned long msg)
1481 struct parts *ptr = last_message_parts;
1485 /* Run through available parts */
1486 for (ptr = last_message_parts; ptr; ptr = ptr->next) {
1487 if ((!strcasecmp(ptr->disposition, "attachment")
1488 || !strcasecmp(ptr->disposition, "inline"))
1489 && !strncmp(ptr->mimetype, "image/", 6)) {
1492 strcpy(part, ptr->number);
1499 strprompt("View which part (0 when done)", part, SIZ-1);
1501 for (ptr = last_message_parts; ptr; ptr = ptr->next) {
1502 if ((!strcasecmp(ptr->disposition, "attachment")
1503 || !strcasecmp(ptr->disposition, "inline"))
1504 && !strncmp(ptr->mimetype, "image/", 6)
1505 && !strcasecmp(ptr->number, part)) {
1508 void *file = NULL; /* The downloaded file */
1513 r = CtdlIPCAttachmentDownload(ipc, msg, ptr->number, &file, progress, buf);
1515 scr_printf("%s\n", buf);
1519 len = (size_t)extract_long(buf, 0);
1520 progress(ipc, len, len);
1522 CtdlMakeTempFileName(tmp, sizeof tmp);
1523 strcat(tmp, ptr->filename);
1524 save_buffer(file, len, tmp);
1538 * Read the messages in the current room
1540 void readmsgs(CtdlIPC *ipc,
1541 enum MessageList c, /* see listing in citadel_ipc.h */
1542 enum MessageDirection rdir, /* 1=Forward (-1)=Reverse */
1543 int q /* Number of msgs to read (if c==3) */
1545 int a, e, f, g, start;
1551 char prtfile[PATH_MAX];
1554 char targ[ROOMNAMELEN];
1555 char filename[PATH_MAX];
1556 char save_to[PATH_MAX];
1557 void *attachment = NULL; /* Downloaded attachment */
1558 FILE *dest = NULL; /* Alternate destination other than screen */
1559 int r; /* IPC response code */
1560 static int att_seq = 0; /* Attachment download sequence number */
1561 int rv = 0; /* silence the stupid warn_unused_result warnings */
1563 CtdlMakeTempFileName(prtfile, sizeof prtfile);
1569 r = CtdlIPCGetMessages(ipc, c, q, NULL, &msg_arr, cmd);
1571 scr_printf("%s\n", cmd);
1573 for (num_msgs = 0; msg_arr[num_msgs]; num_msgs++)
1577 if (num_msgs == 0) { /* TODO look at this later */
1578 if (c == LastMessages) return;
1579 scr_printf("*** There are no ");
1580 if (c == NewMessages) scr_printf("new ");
1581 if (c == OldMessages) scr_printf("old ");
1582 scr_printf("messages in this room.\n");
1586 /* this loop cycles through each message... */
1587 start = ((rdir == 1) ? 0 : (num_msgs - 1));
1588 for (a = start; ((a < num_msgs) && (a >= 0)); a = a + rdir) {
1589 while (msg_arr[a] == 0L) {
1591 if ((a == num_msgs) || (a == (-1)))
1595 RAGAIN: pagin = ((arcflag == 0)
1597 && (userflags & US_PAGINATOR)) ? 1 : 0;
1599 /* If we're doing a quote, set the screenwidth to 72 */
1601 hold_sw = screenwidth;
1605 /* If printing or archiving, set the screenwidth to 80 */
1607 hold_sw = screenwidth;
1611 /* clear parts list */
1612 free_parts(last_message_parts);
1613 last_message_parts = NULL;
1615 /* now read the message... */
1616 e = read_message(ipc, msg_arr[a], pagin, dest);
1618 /* ...and set the screenwidth back if we have to */
1619 if ((quotflag) || (arcflag)) {
1620 screenwidth = hold_sw;
1623 highest_msg_read = msg_arr[a];
1628 enable_color = hold_color;
1637 enable_color = hold_color;
1640 if (freopen(prtfile, "r", stdin) == NULL) {
1641 /* we probably should handle the error condition here */
1643 stty_ctdl(SB_RESTORE);
1644 ka_system(printcmd);
1645 stty_ctdl(SB_NO_INTR);
1652 } while ((g != f) && (g >= 0));
1653 scr_printf("Message printed.\n");
1657 if (((userflags & US_NOPROMPT) || (e == SIGINT))
1658 && (((room_flags & QR_MAILBOX) == 0)
1659 || (rc_force_mail_prompts == 0))) {
1664 color(BRIGHT_WHITE);
1665 scr_printf("%d", num_msgs - a - 1);
1669 keyopt("<B>ack <A>gain <R>eply reply<Q>uoted <N>ext <S>top ");
1670 if (rc_url_cmd[0] && num_urls)
1671 keyopt("<U>RLview ");
1672 if (has_images > 0 && !IsEmptyStr(imagecmd))
1673 keyopt("<I>mages ");
1674 keyopt("<?>help -> ");
1677 e = (inkey() & 127);
1679 /* return key same as <N> */ if (e == 10)
1681 /* space key same as <N> */ if (e == 32)
1683 /* del/move for aides only */
1684 if ( (!is_room_aide)
1685 && ((room_flags & QR_MAILBOX) == 0)
1686 && ((room_flags2 & QR2_COLLABDEL) == 0)
1688 if ((e == 'd') || (e == 'm'))
1691 /* print only if available */
1692 if ((e == 'p') && (IsEmptyStr(printcmd)))
1694 /* can't file if not allowed */
1696 && (rc_allow_attachments == 0))
1698 /* link only if browser avail*/
1700 && (IsEmptyStr(rc_url_cmd)))
1703 && (IsEmptyStr(imagecmd) || !has_images))
1705 } while ((e != 'a') && (e != 'n') && (e != 's')
1706 && (e != 'd') && (e != 'm') && (e != 'p')
1707 && (e != 'q') && (e != 'b') && (e != 'h')
1708 && (e != 'r') && (e != 'f') && (e != '?')
1709 && (e != 'u') && (e != 'c') && (e != 'y')
1710 && (e != 'i') && (e != 'o') );
1716 scr_printf("Again");
1719 scr_printf("Delete");
1731 scr_printf("Print");
1734 scr_printf("reply Quoted");
1740 scr_printf("Header");
1743 scr_printf("Reply");
1746 scr_printf("Open attachments");
1752 scr_printf("URL's");
1755 scr_printf("mY next");
1760 scr_printf("? <help>");
1763 if (userflags & US_DISAPPEAR || e == 'i')
1764 scr_printf("\r%79s\r", "");
1768 DONE_QUOTING: switch (e) {
1770 scr_printf("Options available here:\n"
1771 " ? Help (prints this message)\n"
1772 " S Stop reading immediately\n"
1773 " A Again (repeats last message)\n"
1774 " N Next (continue with next message)\n"
1775 " Y My Next (continue with next message you authored)\n"
1776 " B Back (go back to previous message)\n");
1778 || (room_flags & QR_MAILBOX)
1779 || (room_flags2 & QR2_COLLABDEL)
1781 scr_printf(" D Delete this message\n"
1782 " M Move message to another room\n");
1784 scr_printf(" C Copy message to another room\n");
1785 if (!IsEmptyStr(printcmd))
1786 scr_printf(" P Print this message\n");
1788 " Q Reply to this message, quoting portions of it\n"
1789 " H Headers (display message headers only)\n");
1791 scr_printf(" R Reply to this message\n");
1792 if (rc_allow_attachments) {
1793 scr_printf(" O (Open attachments)\n");
1794 scr_printf(" F (save attachments to a File)\n");
1796 if (!IsEmptyStr(rc_url_cmd))
1797 scr_printf(" U (list URL's for display)\n");
1798 if (!IsEmptyStr(imagecmd) && has_images > 0)
1799 scr_printf(" I Image viewer\n");
1804 dest = fopen(prtfile, "w");
1806 hold_color = enable_color;
1811 dest = fopen(temp2, "w");
1813 hold_color = enable_color;
1825 newprompt("Enter target room: ",
1826 targ, ROOMNAMELEN - 1);
1827 if (!IsEmptyStr(targ)) {
1828 r = CtdlIPCMoveMessage(ipc, (e == 'c' ? 1 : 0),
1829 msg_arr[a], targ, cmd);
1830 scr_printf("%s\n", cmd);
1836 if (r / 100 != 2) /* r will be init'ed, FIXME */
1837 goto RMSGREAD; /* the logic here sucks */
1841 newprompt("Which section? ", filename, ((sizeof filename) - 1));
1842 r = CtdlIPCAttachmentDownload(ipc, msg_arr[a],
1843 filename, &attachment, progress, cmd);
1845 scr_printf("%s\n", cmd);
1847 extract_token(filename, cmd, 2, '|', sizeof filename);
1849 * Part 1 won't have a filename; use the
1850 * subject of the message instead. IO
1852 if (IsEmptyStr(filename)) {
1853 strcpy(filename, reply_subject);
1855 if (e == 'o') { /* open attachment */
1856 mkdir(tempdir, 0700);
1857 snprintf(save_to, sizeof save_to, "%s/%04x.%s",
1861 save_buffer(attachment, extract_unsigned_long(cmd, 0), save_to);
1862 snprintf(cmd, sizeof cmd, rc_open_cmd, save_to);
1865 scr_printf("failed to save %s Reason %d\n", cmd, rv);
1867 else { /* save attachment to disk */
1868 destination_directory(save_to, filename);
1869 save_buffer(attachment, extract_unsigned_long(cmd, 0), save_to);
1878 scr_printf("*** Delete this message? ");
1880 r = CtdlIPCDeleteMessage(ipc, msg_arr[a], cmd);
1881 scr_printf("%s\n", cmd);
1889 read_message(ipc, msg_arr[a], READ_HEADER, NULL);
1892 savedpos = num_msgs;
1893 entmsg(ipc, 1, ((userflags & US_EXTEDIT) ? 2 : 0), 0);
1894 num_msgs = savedpos;
1900 image_view(ipc, msg_arr[a]);
1903 { /* hack hack hack */
1904 /* find the next message by me, stay here if we find nothing */
1907 for (finda = (a + rdir); ((finda < num_msgs) && (finda >= 0)); finda += rdir)
1909 /* This is repetitively dumb, but that's what computers are for.
1910 We have to load up messages until we find one by us */
1913 struct ctdlipcmessage *msg = NULL;
1915 /* read the header so we can get 'from=' */
1916 r = CtdlIPCGetSingleMessage(ipc, msg_arr[finda], 1, 0, &msg, buf);
1917 if (!strncasecmp(msg->author, fullname, sizeof(fullname))) {
1918 a = lasta; /* meesa current */
1926 lasta = finda; /* keep one behind or we skip on the reentrance to the for */
1930 } /* end for loop */
1931 } /* end read routine */
1937 * View and edit a system message
1939 void edit_system_message(CtdlIPC *ipc, char *which_message)
1943 char write_cmd[SIZ];
1945 snprintf(desc, sizeof desc, "system message '%s'", which_message);
1946 snprintf(read_cmd, sizeof read_cmd, "MESG %s", which_message);
1947 snprintf(write_cmd, sizeof write_cmd, "EMSG %s", which_message);
1948 do_edit(ipc, desc, read_cmd, "NOOP", write_cmd);
1955 * Loads the contents of a file into memory. Caller must free the allocated
1958 char *load_message_from_file(FILE *src)
1964 fseek(src, 0, SEEK_END);
1968 dest = (char *)calloc(1, i + 1);
1975 g = fread(dest + got, 1, i - got, src);
1978 /* Interrupted system call, keep going */
1981 /* At this point we have either EOF or error */