4 * Citadel message support routines
5 * see copyright.txt for copyright information
11 #include <sys/types.h>
22 #if TIME_WITH_SYS_TIME
23 # include <sys/time.h>
27 # include <sys/time.h>
39 #include "citadel_ipc.h"
40 #include "citadel_decls.h"
51 #define MAXWORDBUF SIZ
52 #define NO_REPLY_TO "nobody ... xxxxxx"
55 char reply_subject[SIZ];
59 char text[MAXWORDBUF];
62 void stty_ctdl(int cmd);
63 int haschar(const char *st, int ch);
64 void getline(char *string, int lim);
65 int file_checksum(char *filename);
66 void progress(CtdlIPC* ipc, unsigned long curr, unsigned long cmax);
68 unsigned long *msg_arr = NULL;
71 char rc_alt_semantics;
72 extern char room_name[];
73 extern unsigned room_flags;
74 extern long highest_msg_read;
77 extern int screenwidth;
78 extern int screenheight;
79 extern long maxmsgnum;
82 extern char is_room_aide;
83 extern char fullname[];
85 extern unsigned userflags;
86 extern char sigcaught;
87 extern char printcmd[];
88 extern int rc_allow_attachments;
89 extern int rc_display_message_numbers;
90 extern int rc_force_mail_prompts;
91 extern int editor_pid;
92 extern CtdlIPC *ipc_for_signal_handlers; /* KLUDGE cover your eyes */
94 char urls[MAXURLS][SIZ];
96 int has_images = 0; /* Current msg has images */
97 struct parts *last_message_parts = NULL; /* Parts from last msg */
101 void ka_sigcatch(int signum)
104 signal(SIGALRM, ka_sigcatch);
105 CtdlIPCNoop(ipc_for_signal_handlers);
110 * server keep-alive version of wait() (needed for external editor)
112 pid_t ka_wait(int *kstatus)
117 signal(SIGALRM, ka_sigcatch);
121 } while (errno == EINTR);
122 signal(SIGALRM, SIG_IGN);
129 * version of system() that uses ka_wait()
131 int ka_system(char *shc)
140 perror("Cannot fork");
142 return ((pid_t) childpid);
146 execlp("/bin/sh", "sh", "-c", shc, NULL);
152 waitpid = ka_wait(&retcode);
153 } while (waitpid != childpid);
163 * add a newline to the buffer...
165 void add_newline(struct cittext *textlist)
170 while (ptr->next != NULL)
173 while (ptr->text[strlen(ptr->text) - 1] == 32)
174 ptr->text[strlen(ptr->text) - 1] = 0;
175 /* strcat(ptr->text,"\n"); */
177 ptr->next = (struct cittext *)
178 malloc(sizeof(struct cittext));
181 strcpy(ptr->text, "");
186 * add a word to the buffer...
188 void add_word(struct cittext *textlist, char *wordbuf)
193 while (ptr->next != NULL)
196 if (3 + strlen(ptr->text) + strlen(wordbuf) > screenwidth) {
197 ptr->next = (struct cittext *)
198 malloc(sizeof(struct cittext));
201 strcpy(ptr->text, "");
204 strcat(ptr->text, wordbuf);
205 strcat(ptr->text, " ");
210 * begin editing of an opened file pointed to by fp
212 void citedit(CtdlIPC *ipc, FILE * fp)
214 int a, prev, finished, b, last_space;
216 struct cittext *textlist = NULL;
218 char wordbuf[MAXWORDBUF];
220 /* first, load the text into the buffer */
222 textlist = (struct cittext *) malloc(sizeof(struct cittext));
223 textlist->next = NULL;
224 strcpy(textlist->text, "");
228 while (a = getc(fp), a >= 0) {
230 if ((a == 32) || (a == 9) || (a == 13) || (a == 10)) {
231 add_word(textlist, wordbuf);
233 if ((prev == 13) || (prev == 10)) {
234 add_word(textlist, "\n");
235 add_newline(textlist);
236 add_word(textlist, "");
239 wordbuf[strlen(wordbuf) + 1] = 0;
240 wordbuf[strlen(wordbuf)] = a;
242 if (strlen(wordbuf) + 3 > screenwidth) {
243 add_word(textlist, wordbuf);
251 prev = (appending ? 13 : (-1));
263 /******* new ***********/
264 if ((a > 32) && (a < 127) && (prev == 13)) {
265 add_word(textlist, "\n");
268 /***********************/
270 if ((a == 32) && (prev == 13)) {
271 add_word(textlist, "\n");
272 add_newline(textlist);
276 if (strlen(wordbuf) > 0) {
277 wordbuf[strlen(wordbuf) - 1] = 0;
282 } else if (a == 23) {
284 wordbuf[strlen(wordbuf) - 1] = 0;
288 } while (strlen(wordbuf) && wordbuf[strlen(wordbuf) - 1] != ' ');
289 } else if (a == 13) {
291 if (strlen(wordbuf) == 0)
294 for (b = 0; b < strlen(wordbuf); ++b)
295 if (wordbuf[b] == 32) {
303 add_word(textlist, wordbuf);
308 wordbuf[strlen(wordbuf) + 1] = 0;
309 wordbuf[strlen(wordbuf)] = a;
311 if ((strlen(wordbuf) + 3) > screenwidth) {
313 for (b = 0; b < strlen(wordbuf); ++b)
314 if (wordbuf[b] == 32)
316 if (last_space >= 0) {
317 for (b = 0; b < strlen(wordbuf); ++b)
318 if (wordbuf[b] == 32) {
326 for (b = 0; b < strlen(wordbuf); ++b) {
331 scr_printf("\n%s", wordbuf);
333 add_word(textlist, wordbuf);
339 } while (finished == 0);
342 /* write the buffer back to disk */
344 for (ptr = textlist; ptr != NULL; ptr = ptr->next) {
345 fprintf(fp, "%s", ptr->text);
349 ftruncate(fileno(fp), ftell(fp));
351 /* and deallocate the memory we used */
352 while (textlist != NULL) {
353 ptr = textlist->next;
361 * Free the struct parts
363 void free_parts(struct parts *p)
365 struct parts *a_part = p;
371 a_part = a_part->next;
378 * Read a message from the server
380 int read_message(CtdlIPC *ipc,
381 long num, /* message number */
382 int pagin, /* 0 = normal read, 1 = read with pagination, 2 = header */
383 FILE *dest) /* Destination file, NULL for screen */
390 struct ctdlipcmessage *message = NULL;
391 int r; /* IPC response code */
392 char *converted_text = NULL;
399 int final_line_is_blank = 0;
406 strcpy(reply_to, NO_REPLY_TO);
407 strcpy(reply_subject, "");
409 r = CtdlIPCGetSingleMessage(ipc, num, (pagin == READ_HEADER ? 1 : 0),
410 (can_do_msg4 ? 4 : 0),
413 err_printf("*** msg #%ld: %d %s\n", num, r, buf);
416 checkpagin(lines_printed, pagin, screenheight);
422 fprintf(dest, "\n ");
426 lines_printed = checkpagin(lines_printed, pagin, screenheight);
430 if (pagin == 1 && !dest) {
434 /* View headers only */
436 pprintf("nhdr=%s\nfrom=%s\ntype=%d\nmsgn=%s\n",
437 message->nhdr ? "yes" : "no",
438 message->author, message->type,
440 if (strlen(message->subject)) {
441 pprintf("subj=%s\n", message->subject);
443 if (strlen(message->email)) {
444 pprintf("rfca=%s\n", message->email);
446 pprintf("hnod=%s\nroom=%s\nnode=%s\ntime=%s",
447 message->hnod, message->room,
449 asctime(localtime(&message->time)));
450 if (strlen(message->recipient)) {
451 pprintf("rcpt=%s\n", message->recipient);
453 if (message->attachments) {
456 for (ptr = message->attachments; ptr; ptr = ptr->next) {
457 pprintf("part=%s|%s|%s|%s|%s|%ld\n",
458 ptr->name, ptr->filename, ptr->number,
459 ptr->disposition, ptr->mimetype,
468 if (rc_display_message_numbers) {
470 fprintf(dest, "[#%s] ", message->msgid);
475 scr_printf("#%s", message->msgid);
480 if (nhdr == 1 && !is_room_aide) {
482 fprintf(dest, " ****");
487 fmt_date(now, sizeof now, message->time, 0);
489 fprintf(dest, "%s from %s ", now, message->author);
490 if (strlen(message->email)) {
491 fprintf(dest, "<%s> ", message->email);
495 scr_printf("%s ", now);
499 scr_printf("%s ", message->author);
500 if (strlen(message->email)) {
504 scr_printf("%s", message->email);
509 if (strlen(message->node)) {
510 if ((room_flags & QR_NETWORK)
511 || ((strcasecmp(message->node, ipc->ServInfo.nodename)
512 && (strcasecmp(message->node, ipc->ServInfo.fqdn))))) {
513 if (strlen(message->email) == 0) {
515 fprintf(dest, "@%s ", message->node);
519 color(BRIGHT_YELLOW);
520 scr_printf("%s ", message->node);
525 if (strcasecmp(message->hnod, ipc->ServInfo.humannode)
526 && (strlen(message->hnod)) && (!strlen(message->email))) {
528 fprintf(dest, "(%s) ", message->hnod);
533 scr_printf("%s", message->hnod);
538 if (strcasecmp(message->room, room_name) && (strlen(message->email) == 0)) {
540 fprintf(dest, "in %s> ", message->room);
544 color(BRIGHT_MAGENTA);
545 scr_printf("%s> ", message->room);
548 if (strlen(message->recipient)) {
550 fprintf(dest, "to %s ", message->recipient);
555 scr_printf("%s ", message->recipient);
566 /* Set the reply-to address to an Internet e-mail address if possible
568 if (message->email != NULL) if (strlen(message->email) > 0) {
569 safestrncpy(reply_to, message->email, sizeof reply_to);
572 /* But if we can't do that, set it to a Citadel address.
574 if (!strcmp(reply_to, NO_REPLY_TO)) {
575 snprintf(reply_to, sizeof(reply_to), "%s @ %s",
576 message->author, message->node);
581 lines_printed = checkpagin(lines_printed, pagin, screenheight);
584 if (message->subject != NULL) {
585 safestrncpy(reply_subject, message->subject,
586 sizeof reply_subject);
587 if (strlen(message->subject) > 0) {
589 fprintf(dest, "Subject: %s\n",
593 scr_printf("Subject: ");
595 scr_printf("%s\n", message->subject);
597 lines_printed = checkpagin(lines_printed,
598 pagin, screenheight);
603 if (pagin == 1 && !dest) {
607 /******* end of header output, start of message text output *******/
610 * Convert HTML to plain text, formatting for the actual width
611 * of the client screen.
613 if (!strcasecmp(message->content_type, "text/html")) {
614 converted_text = html_to_ascii(message->text, 0, screenwidth, 0);
615 if (converted_text != NULL) {
617 message->text = converted_text;
622 /* Text/plain is a different type */
623 if (!strcasecmp(message->content_type, "text/plain")) {
628 num_urls = 0; /* Start with a clean slate */
629 searchptr = message->text;
630 while ( (searchptr != NULL) && (num_urls < MAXURLS) ) {
631 searchptr = strstr(searchptr, "http://");
632 if (searchptr != NULL) {
633 safestrncpy(urls[num_urls], searchptr, sizeof(urls[num_urls]));
634 for (i = 0; i < strlen(urls[num_urls]); i++) {
635 ch = urls[num_urls][i];
636 if (ch == '>' || ch == '\"' || ch == ')' ||
637 ch == ' ' || ch == '\n') {
638 urls[num_urls][i] = 0;
650 if (format_type == 0) {
651 fr = fmout(screenwidth, NULL, message->text, dest,
652 ((pagin == 1) ? 1 : 0), screenheight, (-1), 1);
654 /* renderer for text/plain */
656 lineptr = message->text;
659 nextline = strchr(lineptr, '\n');
660 if (nextline != NULL) {
663 if (*nextline == 0) nextline = NULL;
666 if (sigcaught == 0) {
667 linelen = strlen(lineptr);
668 if (lineptr[linelen-1] == '\r') {
669 lineptr[--linelen] = 0;
672 fprintf(dest, "%s\n", lineptr);
674 scr_printf("%s\n", lineptr);
675 lines_printed = lines_printed + 1 +
676 (linelen / screenwidth);
678 checkpagin(lines_printed, pagin,
682 if (lineptr[0] == 0) final_line_is_blank = 1;
683 else final_line_is_blank = 0;
688 if (!final_line_is_blank) {
695 lines_printed = checkpagin(lines_printed, pagin, screenheight);
699 /* Enumerate any attachments */
700 if ( (pagin == 1) && (can_do_msg4) && (message->attachments) ) {
703 for (ptr = message->attachments; ptr; ptr = ptr->next) {
704 if ( (!strcasecmp(ptr->disposition, "attachment"))
705 || (!strcasecmp(ptr->disposition, "inline"))) {
708 color(BRIGHT_MAGENTA);
709 pprintf("%s", ptr->number);
713 pprintf("%s", ptr->filename);
715 pprintf(" (%s, %ld bytes)\n", ptr->mimetype, ptr->length);
716 if (!strncmp(ptr->mimetype, "image/", 6))
722 /* Save the attachments info for later */
723 last_message_parts = message->attachments;
729 if (pagin == 1 && !dest)
736 * replace string function for the built-in editor
738 void replace_string(char *filename, long int startpos)
747 int substitutions = 0;
750 scr_printf("Enter text to be replaced:\n: ");
751 getline(srch_str, (sizeof(srch_str)-1) );
752 if (strlen(srch_str) == 0)
755 scr_printf("Enter text to replace it with:\n: ");
756 getline(rplc_str, (sizeof(rplc_str)-1) );
758 fp = fopen(filename, "r+");
763 fseek(fp, startpos, 0);
765 while (a = getc(fp), a > 0) {
767 buf[strlen(buf) + 1] = 0;
768 buf[strlen(buf)] = a;
769 if (strlen(buf) >= strlen(srch_str)) {
770 ptr = (&buf[strlen(buf) - strlen(srch_str)]);
771 if (!strncmp(ptr, srch_str, strlen(srch_str))) {
772 strcpy(ptr, rplc_str);
776 if (strlen(buf) > 384) {
779 fwrite((char *) buf, 128, 1, fp);
780 strcpy(buf, &buf[128]);
787 fwrite((char *) buf, strlen(buf), 1, fp);
790 truncate(filename, wpos);
791 scr_printf("<R>eplace made %d substitution(s).\n\n", substitutions);
795 * Function to begin composing a new message
797 int client_make_message(CtdlIPC *ipc,
798 char *filename, /* temporary file name */
799 char *recipient, /* NULL if it's not mail */
803 char *subject) /* buffer to store subject line */
810 char *editor_path = NULL;
815 if((mode-2) < MAX_EDITORS && strlen(editor_paths[mode-2]) > 0) {
816 editor_path = editor_paths[mode-2];
817 } else if (strlen(editor_paths[0]) > 0) {
818 editor_path = editor_paths[0];
820 err_printf("*** No editor available, "
821 "using built-in editor\n");
826 fmt_date(datestr, sizeof datestr, time(NULL), 0);
829 if (room_flags & QR_ANONONLY && !recipient) {
830 snprintf(header, sizeof header, " ****");
833 snprintf(header, sizeof header,
836 (is_anonymous ? "[anonymous]" : fullname)
838 if (strlen(recipient) > 0) {
839 size_t tmp = strlen(header);
840 snprintf(&header[tmp], sizeof header - tmp,
841 " to %s", recipient);
844 scr_printf("%s\n", header);
845 if (subject != NULL) if (strlen(subject) > 0) {
846 scr_printf("Subject: %s\n", subject);
852 scr_printf("(Press ctrl-d when finished)\n");
856 fp = fopen(filename, "r");
858 fmout(screenwidth, fp, NULL, NULL, 0,
863 fp = fopen(filename, "w");
865 err_printf("*** Error opening temp file!\n"
867 filename, strerror(errno));
877 fp = fopen(filename, "r+");
879 err_printf("*** Error opening temp file!\n"
881 filename, strerror(errno));
889 fp = fopen(filename, "a");
891 err_printf("*** Error opening temp file!\n"
893 filename, strerror(errno));
913 default: /* allow 2+ modes */
914 e_ex_code = 1; /* start with a failed exit code */
916 stty_ctdl(SB_RESTORE);
918 cksum = file_checksum(filename);
919 if (editor_pid == 0) {
922 chmod(filename, 0600);
923 snprintf(tmp, sizeof tmp, "WINDOW_TITLE=%s", header);
925 execlp(editor_path, editor_path, filename, NULL);
931 b = ka_wait(&e_ex_code);
932 } while ((b != editor_pid) && (b >= 0));
939 MECR: if (mode >= 2) {
940 if (file_checksum(filename) == cksum) {
941 err_printf("*** Aborted message.\n");
944 if (e_ex_code == 0) {
950 b = keymenu("Entry command (? for options)",
951 "<A>bort|<C>ontinue|<S>ave message|<P>rint formatted|"
953 "<R>eplace string|<H>old message");
955 if (b == 'a') goto MEABT;
956 if (b == 'c') goto ME1;
957 if (b == 's') goto MEFIN;
959 scr_printf(" %s from %s", datestr, fullname);
960 if (strlen(recipient) > 0) {
961 scr_printf(" to %s", recipient);
964 if (subject != NULL) if (strlen(subject) > 0) {
965 scr_printf("Subject: %s\n", subject);
967 fp = fopen(filename, "r");
969 fmout(screenwidth, fp, NULL, NULL,
970 ((userflags & US_PAGINATOR) ? 1 : 0),
978 replace_string(filename, 0L);
985 if (subject != NULL) {
986 newprompt("Subject: ", subject, 70);
993 MEABT: scr_printf("Are you sure? ");
997 MEABT2: unlink(filename);
1004 * Transmit message text to the server.
1006 * This loop also implements a "tick" counter that displays the progress, if
1007 * we're sending something that will take a long time to transmit.
1009 void transmit_message(CtdlIPC *ipc, FILE *fp)
1016 fseek(fp, 0L, SEEK_END);
1019 lasttick = time(NULL);
1021 while (ch = getc(fp), (ch >= 0)) {
1023 if (!strcmp(buf, "000"))
1024 strcpy(buf, ">000");
1025 CtdlIPC_putline(ipc, buf);
1031 if ((ch == 32) && (strlen(buf) > 200)) {
1033 if (!strcmp(buf, "000"))
1034 strcpy(buf, ">000");
1035 CtdlIPC_putline(ipc, buf);
1038 if (strlen(buf) > 250) {
1039 if (!strcmp(buf, "000"))
1040 strcpy(buf, ">000");
1041 CtdlIPC_putline(ipc, buf);
1046 if ((time(NULL) - lasttick) > 2L) {
1047 scr_printf(" %3ld%% completed\r",
1048 ((ftell(fp) * 100L) / msglen));
1050 lasttick = time(NULL);
1054 CtdlIPC_putline(ipc, buf);
1062 * Make sure there's room in msg_arr[] for at least one more.
1064 void check_msg_arr_size(void) {
1065 if ((num_msgs + 1) > msg_arr_size) {
1066 msg_arr_size += 512;
1067 msg_arr = realloc(msg_arr,
1068 ((sizeof(long)) * msg_arr_size) );
1074 * break_big_lines() - break up lines that are >1024 characters
1075 * otherwise the server will truncate
1077 void break_big_lines(char *msg) {
1086 while (strlen(ptr) > 1000) {
1087 break_here = strchr(&ptr[900], ' ');
1088 if ((break_here == NULL) || (break_here > &ptr[999])) {
1089 break_here = &ptr[999];
1098 * entmsg() - edit and create a message
1099 * returns 0 if message was saved
1101 int entmsg(CtdlIPC *ipc,
1102 int is_reply, /* nonzero if this was a <R>eply command */
1112 struct ctdlipcmessage message;
1113 unsigned long *msgarr = NULL;
1114 int r; /* IPC response code */
1121 strcpy(subject, "");
1124 * First, check to see if we have permission to enter a message in
1125 * this room. The server will return an error code if we can't.
1127 strcpy(message.recipient, "");
1128 strcpy(message.author, "");
1129 strcpy(message.subject, "");
1130 message.text = message.author; /* point to "", changes later */
1131 message.anonymous = 0;
1132 message.type = mode;
1133 r = CtdlIPCPostMessage(ipc, 0, &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 formout(ipc, "entermsg");
1153 /* Handle the selection of a recipient, if necessary. */
1155 if (need_recp == 1) {
1158 strcpy(buf, reply_to);
1160 scr_printf("Enter recipient: ");
1161 getline(buf, (SIZ-100) );
1162 if (strlen(buf) == 0)
1166 strcpy(buf, "sysop");
1168 strcpy(message.recipient, buf);
1171 if (strlen(reply_subject) > 0) {
1172 if (!strncasecmp(reply_subject,
1174 strcpy(message.subject, reply_subject);
1177 snprintf(message.subject,
1178 sizeof message.subject,
1185 if (room_flags & QR_ANONOPT) {
1186 scr_printf("Anonymous (Y/N)? ");
1188 message.anonymous = 1;
1191 /* If it's mail, we've got to check the validity of the recipient... */
1192 if (strlen(message.recipient) > 0) {
1193 r = CtdlIPCPostMessage(ipc, 0, &message, buf);
1195 scr_printf("%s\n", buf);
1200 /* Learn the number of the newest message in in the room, so we can
1201 * tell upon saving whether someone else has posted too.
1204 r = CtdlIPCGetMessages(ipc, LastMessages, 1, NULL, &msgarr, buf);
1206 scr_printf("%s\n", buf);
1208 for (num_msgs = 0; msgarr[num_msgs]; num_msgs++)
1212 /* Now compose the message... */
1213 if (client_make_message(ipc, temp, message.recipient,
1214 message.anonymous, 0, c, message.subject) != 0) {
1218 /* Reopen the temp file that was created, so we can send it */
1219 fp = fopen(temp, "r");
1221 if (!fp || !(message.text = load_message_from_file(fp))) {
1222 err_printf("*** Internal error while trying to save message!\n"
1224 temp, strerror(errno));
1231 /* Break lines that are >1024 characters, otherwise the server
1232 * will truncate them.
1234 break_big_lines(message.text);
1236 /* Transmit message to the server */
1237 r = CtdlIPCPostMessage(ipc, 1, &message, buf);
1239 scr_printf("%s\n", buf);
1243 /* Yes, unlink it now, so it doesn't stick around if we crash */
1246 if (num_msgs >= 1) highmsg = msgarr[num_msgs - 1];
1248 if (msgarr) free(msgarr);
1250 r = CtdlIPCGetMessages(ipc, NewMessages, 0, NULL, &msgarr, buf);
1252 scr_printf("%s\n", buf);
1254 for (num_msgs = 0; msgarr[num_msgs]; num_msgs++)
1258 /* get new highest message number in room to set lrp for goto... */
1259 maxmsgnum = msgarr[num_msgs - 1];
1261 /* now see if anyone else has posted in here */
1263 for (a = 0; a < num_msgs; ++a) {
1264 if (msgarr[a] > highmsg) {
1268 if (msgarr) free(msgarr);
1271 /* In the Mail> room, this algorithm always counts one message
1272 * higher than in public rooms, so we decrement it by one.
1279 scr_printf("*** 1 additional message has been entered "
1280 "in this room by another user.\n");
1283 scr_printf("*** %d additional messages have been entered "
1284 "in this room by other users.\n", b);
1291 * Do editing on a quoted file
1293 void process_quote(void)
1295 FILE *qfile, *tfile;
1297 int line, qstart, qend;
1299 /* Unlink the second temp file as soon as it's opened, so it'll get
1300 * deleted even if the program dies
1302 qfile = fopen(temp2, "r");
1305 /* Display the quotable text with line numbers added */
1307 fgets(buf, 128, qfile);
1308 while (fgets(buf, 128, qfile) != NULL) {
1309 scr_printf("%2d %s", ++line, buf);
1311 scr_printf("Begin quoting at [ 1] : ");
1313 qstart = (buf[0] == 0) ? (1) : atoi(buf);
1314 scr_printf(" End quoting at [%d] : ", line);
1316 qend = (buf[0] == 0) ? (line) : atoi(buf);
1319 fgets(buf, 128, qfile);
1320 tfile = fopen(temp, "w");
1321 while (fgets(buf, 128, qfile) != NULL) {
1322 if ((++line >= qstart) && (line <= qend))
1323 fprintf(tfile, " >%s", buf);
1325 fprintf(tfile, " \n");
1334 * List the URL's which were embedded in the previous message
1336 void list_urls(CtdlIPC *ipc)
1341 if (num_urls == 0) {
1342 scr_printf("There were no URL's in the previous message.\n\n");
1346 for (i = 0; i < num_urls; ++i) {
1347 scr_printf("%3d %s\n", i + 1, urls[i]);
1350 if ((i = num_urls) != 1)
1351 i = intprompt("Display which one", 1, 1, num_urls);
1353 snprintf(cmd, sizeof cmd, rc_url_cmd, urls[i - 1]);
1360 * Run image viewer in background
1362 int do_image_view(const char *filename)
1367 snprintf(cmd, sizeof cmd, imagecmd, filename);
1374 if (childpid == 0) {
1376 pid_t grandchildpid;
1378 grandchildpid = fork();
1379 if (grandchildpid < 0) {
1380 return grandchildpid;
1383 if (grandchildpid == 0) {
1388 nullfd = open("/dev/null", O_WRONLY);
1395 retcode = system(cmd);
1405 if (grandchildpid > 0) {
1413 waitpid(childpid, &retcode, 0);
1422 * View an image attached to a message
1424 void image_view(CtdlIPC *ipc, unsigned long msg)
1426 struct parts *ptr = last_message_parts;
1430 /* Run through available parts */
1431 for (ptr = last_message_parts; ptr; ptr = ptr->next) {
1432 if ((!strcasecmp(ptr->disposition, "attachment")
1433 || !strcasecmp(ptr->disposition, "inline"))
1434 && !strncmp(ptr->mimetype, "image/", 6)) {
1437 strcpy(part, ptr->number);
1444 strprompt("View which part (0 when done)", part, SIZ-1);
1446 for (ptr = last_message_parts; ptr; ptr = ptr->next) {
1447 if ((!strcasecmp(ptr->disposition, "attachment")
1448 || !strcasecmp(ptr->disposition, "inline"))
1449 && !strncmp(ptr->mimetype, "image/", 6)
1450 && !strcasecmp(ptr->number, part)) {
1453 void *file = NULL; /* The downloaded file */
1458 r = CtdlIPCAttachmentDownload(ipc, msg, ptr->number, &file, progress, buf);
1460 scr_printf("%s\n", buf);
1464 len = (size_t)extract_long(buf, 0);
1465 progress(ipc, len, len);
1467 CtdlMakeTempFileName(tmp, sizeof tmp);
1468 strcat(tmp, ptr->filename);
1469 save_buffer(file, len, tmp);
1483 * Read the messages in the current room
1485 void readmsgs(CtdlIPC *ipc,
1486 enum MessageList c, /* see listing in citadel_ipc.h */
1487 enum MessageDirection rdir, /* 1=Forward (-1)=Reverse */
1488 int q /* Number of msgs to read (if c==3) */
1490 int a, b, e, f, g, start;
1496 char prtfile[PATH_MAX];
1499 char targ[ROOMNAMELEN];
1500 char filename[PATH_MAX];
1501 char save_to[PATH_MAX];
1502 void *attachment = NULL; /* Downloaded attachment */
1503 FILE *dest = NULL; /* Alternate destination other than screen */
1504 int r; /* IPC response code */
1511 CtdlMakeTempFileName(prtfile, sizeof prtfile);
1517 r = CtdlIPCGetMessages(ipc, c, q, NULL, &msg_arr, cmd);
1519 scr_printf("%s\n", cmd);
1521 for (num_msgs = 0; msg_arr[num_msgs]; num_msgs++)
1525 if (num_msgs == 0) { /* TODO look at this later */
1526 if (c == LastMessages) return;
1527 scr_printf("*** There are no ");
1528 if (c == NewMessages) scr_printf("new ");
1529 if (c == OldMessages) scr_printf("old ");
1530 scr_printf("messages in this room.\n");
1536 /* this loop cycles through each message... */
1537 start = ((rdir == 1) ? 0 : (num_msgs - 1));
1538 for (a = start; ((a < num_msgs) && (a >= 0)); a = a + rdir) {
1539 while (msg_arr[a] == 0L) {
1541 if ((a == num_msgs) || (a == (-1)))
1545 RAGAIN: pagin = ((arcflag == 0)
1547 && (userflags & US_PAGINATOR)) ? 1 : 0;
1549 /* If we're doing a quote, set the screenwidth to 72 */
1551 hold_sw = screenwidth;
1555 /* If printing or archiving, set the screenwidth to 80 */
1557 hold_sw = screenwidth;
1561 /* clear parts list */
1562 free_parts(last_message_parts);
1563 last_message_parts = NULL;
1565 /* now read the message... */
1566 e = read_message(ipc, msg_arr[a], pagin, dest);
1568 /* ...and set the screenwidth back if we have to */
1569 if ((quotflag) || (arcflag)) {
1570 screenwidth = hold_sw;
1572 RMSGREAD: scr_flush();
1573 highest_msg_read = msg_arr[a];
1578 enable_color = hold_color;
1585 enable_color = hold_color;
1588 freopen(prtfile, "r", stdin);
1590 stty_ctdl(SB_RESTORE);
1591 ka_system(printcmd);
1592 stty_ctdl(SB_NO_INTR);
1600 } while ((g != f) && (g >= 0));
1601 scr_printf("Message printed.\n");
1603 if (rc_alt_semantics && c == 1) {
1606 r = CtdlIPCSetMessageSeen(ipc, msg_arr[a], 1, buf);
1610 if (((userflags & US_NOPROMPT) || (e == 2))
1611 && (((room_flags & QR_MAILBOX) == 0)
1612 || (rc_force_mail_prompts == 0))) {
1617 color(BRIGHT_WHITE);
1618 scr_printf("%d", num_msgs - a - 1);
1622 keyopt("<B>ack <A>gain <Q>uote <R>eply <N>ext <S>top ");
1623 if (rc_url_cmd[0] && num_urls)
1624 keyopt("<U>RLview ");
1625 if (has_images > 0 && strlen(imagecmd) > 0)
1626 keyopt("<I>mages ");
1627 keyopt("<?>help -> ");
1631 e = (inkey() & 127);
1633 /* return key same as <N> */ if (e == 10)
1635 /* space key same as <N> */ if (e == 32)
1637 /* del/move for aides only */
1639 && ((room_flags & QR_MAILBOX) ==
1641 if ((e == 'd') || (e == 'm'))
1644 /* print only if available */
1645 if ((e == 'p') && (strlen(printcmd) == 0))
1647 /* can't file if not allowed */
1649 && (rc_allow_attachments == 0))
1651 /* link only if browser avail*/
1653 && (strlen(rc_url_cmd) == 0))
1656 && (!strlen(imagecmd) || !has_images))
1658 } while ((e != 'a') && (e != 'n') && (e != 's')
1659 && (e != 'd') && (e != 'm') && (e != 'p')
1660 && (e != 'q') && (e != 'b') && (e != 'h')
1661 && (e != 'r') && (e != 'f') && (e != '?')
1662 && (e != 'u') && (e != 'c') && (e != 'y')
1669 scr_printf("Again");
1672 scr_printf("Delete");
1684 scr_printf("Print");
1687 scr_printf("Quote");
1693 scr_printf("Header");
1696 scr_printf("Reply");
1702 scr_printf("URL's");
1705 scr_printf("mY next");
1710 scr_printf("? <help>");
1713 if (userflags & US_DISAPPEAR || e == 'i')
1714 scr_printf("\r%79s\r", "");
1721 scr_printf("Options available here:\n"
1722 " ? Help (prints this message)\n"
1723 " S Stop reading immediately\n"
1724 " A Again (repeats last message)\n"
1725 " N Next (continue with next message)\n"
1726 " Y My Next (continue with next message you authored)\n"
1727 " B Back (go back to previous message)\n");
1729 || (room_flags & QR_MAILBOX)) {
1730 scr_printf(" D Delete this message\n"
1731 " M Move message to another room\n");
1733 scr_printf(" C Copy message to another room\n");
1734 if (strlen(printcmd) > 0)
1735 scr_printf(" P Print this message\n");
1737 " Q Quote portions of this message for your next post\n"
1738 " H Headers (display message headers only)\n");
1740 scr_printf(" R Reply to this message\n");
1741 if (rc_allow_attachments)
1743 (" F (save attachments to a file)\n");
1744 if (strlen(rc_url_cmd) > 0)
1745 scr_printf(" U (list URL's for display)\n");
1746 if (strlen(imagecmd) > 0 && has_images > 0)
1747 scr_printf(" I Image viewer\n");
1752 dest = fopen(prtfile, "w");
1754 hold_color = enable_color;
1759 dest = fopen(temp2, "w");
1761 hold_color = enable_color;
1773 newprompt("Enter target room: ",
1774 targ, ROOMNAMELEN - 1);
1775 if (strlen(targ) > 0) {
1776 r = CtdlIPCMoveMessage(ipc, (e == 'c' ? 1 : 0),
1777 msg_arr[a], targ, cmd);
1778 scr_printf("%s\n", cmd);
1784 if (r / 100 != 2) /* r will be init'ed, FIXME */
1785 goto RMSGREAD; /* the logic here sucks */
1788 newprompt("Which section? ", filename,
1789 ((sizeof filename) - 1));
1790 r = CtdlIPCAttachmentDownload(ipc, msg_arr[a],
1791 filename, &attachment, progress, cmd);
1793 scr_printf("%s\n", cmd);
1795 extract_token(filename, cmd, 2, '|', sizeof filename);
1797 * Part 1 won't have a filename; use the
1798 * subject of the message instead. IO
1800 if (!strlen(filename))
1801 strcpy(filename, reply_subject);
1802 destination_directory(save_to, filename);
1803 save_buffer(attachment,
1804 extract_unsigned_long(cmd, 0),
1813 scr_printf("*** Delete this message? ");
1815 r = CtdlIPCDeleteMessage(ipc, msg_arr[a], cmd);
1816 scr_printf("%s\n", cmd);
1824 read_message(ipc, msg_arr[a], READ_HEADER, NULL);
1827 savedpos = num_msgs;
1828 entmsg(ipc, 1, ((userflags & US_EXTEDIT) ? 2 : 0));
1829 num_msgs = savedpos;
1835 image_view(ipc, msg_arr[a]);
1838 { /* hack hack hack */
1839 /* find the next message by me, stay here if we find nothing */
1842 for (finda = a; ((finda < num_msgs) && (finda >= 0)); finda += rdir)
1844 /* This is repetitively dumb, but that's what computers are for.
1845 We have to load up messages until we find one by us */
1848 struct ctdlipcmessage *msg = NULL;
1850 /* read the header so we can get 'from=' */
1851 r = CtdlIPCGetSingleMessage(ipc, msg_arr[finda], 1, 0, &msg, buf);
1852 if (!strncasecmp(msg->author, fullname, sizeof(fullname))) {
1853 a = lasta; /* meesa current */
1861 lasta = finda; /* keep one behind or we skip on the reentrance to the for */
1865 } /* end for loop */
1866 } /* end read routine */
1872 * View and edit a system message
1874 void edit_system_message(CtdlIPC *ipc, char *which_message)
1878 char write_cmd[SIZ];
1880 snprintf(desc, sizeof desc, "system message '%s'", which_message);
1881 snprintf(read_cmd, sizeof read_cmd, "MESG %s", which_message);
1882 snprintf(write_cmd, sizeof write_cmd, "EMSG %s", which_message);
1883 do_edit(ipc, desc, read_cmd, "NOOP", write_cmd);
1890 * Verify the message base
1892 void check_message_base(CtdlIPC *ipc)
1895 char *transcript = NULL;
1896 int r; /* IPC response code */
1899 ("Please read the documentation before running this command.\n"
1900 "Having done so, do you still want to check the message base? ");
1904 r = CtdlIPCMessageBaseCheck(ipc, &transcript, buf);
1906 scr_printf("%s\n", buf);
1910 while (transcript && strlen(transcript)) {
1912 extract_token(buf, transcript, 0, '\n', sizeof buf);
1913 remove_token(transcript, 0, '\n');
1914 pprintf("%s\n", buf);
1916 if (transcript) free(transcript);
1922 * Loads the contents of a file into memory. Caller must free the allocated
1925 char *load_message_from_file(FILE *src)
1931 fseek(src, 0, SEEK_END);
1935 dest = (char *)calloc(1, i + 1);
1942 g = fread(dest + got, 1, i - got, src);
1945 /* Interrupted system call, keep going */
1948 /* At this point we have either EOF or error */