4 * Citadel/UX 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 sttybbs(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 char rc_reply_extedit;
73 extern char room_name[];
74 extern unsigned room_flags;
75 extern long highest_msg_read;
78 extern int screenwidth;
79 extern int screenheight;
80 extern long maxmsgnum;
83 extern char is_room_aide;
84 extern char fullname[];
86 extern unsigned userflags;
87 extern char sigcaught;
88 extern char printcmd[];
89 extern int rc_allow_attachments;
90 extern int rc_display_message_numbers;
91 extern int rc_force_mail_prompts;
92 extern int editor_pid;
93 extern CtdlIPC *ipc_for_signal_handlers; /* KLUDGE cover your eyes */
95 char urls[MAXURLS][SIZ];
97 int has_images = 0; /* Current msg has images */
98 struct parts *last_message_parts = NULL; /* Parts from last msg */
102 void ka_sigcatch(int signum)
105 signal(SIGALRM, ka_sigcatch);
106 CtdlIPCNoop(ipc_for_signal_handlers);
111 * server keep-alive version of wait() (needed for external editor)
113 pid_t ka_wait(int *kstatus)
118 signal(SIGALRM, ka_sigcatch);
122 } while (errno == EINTR);
123 signal(SIGALRM, SIG_IGN);
130 * version of system() that uses ka_wait()
132 int ka_system(char *shc)
141 perror("Cannot fork");
143 return ((pid_t) childpid);
147 execlp("/bin/sh", "sh", "-c", shc, NULL);
153 waitpid = ka_wait(&retcode);
154 } while (waitpid != childpid);
164 * add a newline to the buffer...
166 void add_newline(struct cittext *textlist)
171 while (ptr->next != NULL)
174 while (ptr->text[strlen(ptr->text) - 1] == 32)
175 ptr->text[strlen(ptr->text) - 1] = 0;
176 /* strcat(ptr->text,"\n"); */
178 ptr->next = (struct cittext *)
179 malloc(sizeof(struct cittext));
182 strcpy(ptr->text, "");
187 * add a word to the buffer...
189 void add_word(struct cittext *textlist, char *wordbuf)
194 while (ptr->next != NULL)
197 if (3 + strlen(ptr->text) + strlen(wordbuf) > screenwidth) {
198 ptr->next = (struct cittext *)
199 malloc(sizeof(struct cittext));
202 strcpy(ptr->text, "");
205 strcat(ptr->text, wordbuf);
206 strcat(ptr->text, " ");
211 * begin editing of an opened file pointed to by fp
213 void citedit(CtdlIPC *ipc, FILE * fp)
215 int a, prev, finished, b, last_space;
217 struct cittext *textlist = NULL;
219 char wordbuf[MAXWORDBUF];
221 /* first, load the text into the buffer */
223 textlist = (struct cittext *) malloc(sizeof(struct cittext));
224 textlist->next = NULL;
225 strcpy(textlist->text, "");
229 while (a = getc(fp), a >= 0) {
231 if ((a == 32) || (a == 9) || (a == 13) || (a == 10)) {
232 add_word(textlist, wordbuf);
234 if ((prev == 13) || (prev == 10)) {
235 add_word(textlist, "\n");
236 add_newline(textlist);
237 add_word(textlist, "");
240 wordbuf[strlen(wordbuf) + 1] = 0;
241 wordbuf[strlen(wordbuf)] = a;
243 if (strlen(wordbuf) + 3 > screenwidth) {
244 add_word(textlist, wordbuf);
252 prev = (appending ? 13 : (-1));
264 /******* new ***********/
265 if ((a > 32) && (a < 127) && (prev == 13)) {
266 add_word(textlist, "\n");
269 /***********************/
271 if ((a == 32) && (prev == 13)) {
272 add_word(textlist, "\n");
273 add_newline(textlist);
277 if (strlen(wordbuf) > 0) {
278 wordbuf[strlen(wordbuf) - 1] = 0;
283 } else if (a == 23) {
285 wordbuf[strlen(wordbuf) - 1] = 0;
289 } while (strlen(wordbuf) && wordbuf[strlen(wordbuf) - 1] != ' ');
290 } else if (a == 13) {
292 if (strlen(wordbuf) == 0)
295 for (b = 0; b < strlen(wordbuf); ++b)
296 if (wordbuf[b] == 32) {
304 add_word(textlist, wordbuf);
309 wordbuf[strlen(wordbuf) + 1] = 0;
310 wordbuf[strlen(wordbuf)] = a;
312 if ((strlen(wordbuf) + 3) > screenwidth) {
314 for (b = 0; b < strlen(wordbuf); ++b)
315 if (wordbuf[b] == 32)
317 if (last_space >= 0) {
318 for (b = 0; b < strlen(wordbuf); ++b)
319 if (wordbuf[b] == 32) {
327 for (b = 0; b < strlen(wordbuf); ++b) {
332 scr_printf("\n%s", wordbuf);
334 add_word(textlist, wordbuf);
340 } while (finished == 0);
343 /* write the buffer back to disk */
345 for (ptr = textlist; ptr != NULL; ptr = ptr->next) {
346 fprintf(fp, "%s", ptr->text);
350 ftruncate(fileno(fp), ftell(fp));
352 /* and deallocate the memory we used */
353 while (textlist != NULL) {
354 ptr = textlist->next;
362 * Free the struct parts
364 void free_parts(struct parts *p)
366 struct parts *a_part = p;
372 a_part = a_part->next;
379 * Read a message from the server
381 int read_message(CtdlIPC *ipc,
382 long num, /* message number */
383 int pagin, /* 0 = normal read, 1 = read with pagination, 2 = header */
384 FILE *dest) /* Destination file, NULL for screen */
391 struct ctdlipcmessage *message = NULL;
392 int r; /* IPC response code */
393 char *converted_text = NULL;
400 int final_line_is_blank = 0;
407 strcpy(reply_to, NO_REPLY_TO);
408 strcpy(reply_subject, "");
410 r = CtdlIPCGetSingleMessage(ipc, num, (pagin == READ_HEADER ? 1 : 0),
411 (can_do_msg4 ? 4 : 0),
414 err_printf("*** msg #%ld: %d %s\n", num, r, buf);
417 checkpagin(lines_printed, pagin, screenheight);
423 fprintf(dest, "\n ");
427 lines_printed = checkpagin(lines_printed, pagin, screenheight);
431 if (pagin == 1 && !dest) {
435 /* View headers only */
437 pprintf("nhdr=%s\nfrom=%s\ntype=%d\nmsgn=%s\n",
438 message->nhdr ? "yes" : "no",
439 message->author, message->type,
441 if (strlen(message->subject)) {
442 pprintf("subj=%s\n", message->subject);
444 if (strlen(message->email)) {
445 pprintf("rfca=%s\n", message->email);
447 pprintf("hnod=%s\nroom=%s\nnode=%s\ntime=%s",
448 message->hnod, message->room,
450 asctime(localtime(&message->time)));
451 if (strlen(message->recipient)) {
452 pprintf("rcpt=%s\n", message->recipient);
454 if (message->attachments) {
457 for (ptr = message->attachments; ptr; ptr = ptr->next) {
458 pprintf("part=%s|%s|%s|%s|%s|%ld\n",
459 ptr->name, ptr->filename, ptr->number,
460 ptr->disposition, ptr->mimetype,
469 if (rc_display_message_numbers) {
471 fprintf(dest, "[#%s] ", message->msgid);
476 scr_printf("#%s", message->msgid);
481 if (nhdr == 1 && !is_room_aide) {
483 fprintf(dest, " ****");
488 fmt_date(now, sizeof now, message->time, 0);
490 fprintf(dest, "%s from %s ", now, message->author);
491 if (strlen(message->email)) {
492 fprintf(dest, "<%s> ", message->email);
496 scr_printf("%s ", now);
500 scr_printf("%s ", message->author);
501 if (strlen(message->email)) {
505 scr_printf("%s", message->email);
510 if (strlen(message->node)) {
511 if ((room_flags & QR_NETWORK)
512 || ((strcasecmp(message->node, ipc->ServInfo.nodename)
513 && (strcasecmp(message->node, ipc->ServInfo.fqdn))))) {
514 if (strlen(message->email) == 0) {
516 fprintf(dest, "@%s ", message->node);
520 color(BRIGHT_YELLOW);
521 scr_printf("%s ", message->node);
526 if (strcasecmp(message->hnod, ipc->ServInfo.humannode)
527 && (strlen(message->hnod)) && (!strlen(message->email))) {
529 fprintf(dest, "(%s) ", message->hnod);
534 scr_printf("%s", message->hnod);
539 if (strcasecmp(message->room, room_name) && (strlen(message->email) == 0)) {
541 fprintf(dest, "in %s> ", message->room);
545 color(BRIGHT_MAGENTA);
546 scr_printf("%s> ", message->room);
549 if (strlen(message->recipient)) {
551 fprintf(dest, "to %s ", message->recipient);
556 scr_printf("%s ", message->recipient);
567 /* Set the reply-to address to an Internet e-mail address if possible
569 if (message->email != NULL) if (strlen(message->email) > 0) {
570 safestrncpy(reply_to, message->email, sizeof reply_to);
573 /* But if we can't do that, set it to a Citadel address.
575 if (!strcmp(reply_to, NO_REPLY_TO)) {
576 snprintf(reply_to, sizeof(reply_to), "%s @ %s",
577 message->author, message->node);
582 lines_printed = checkpagin(lines_printed, pagin, screenheight);
585 if (message->subject != NULL) {
586 safestrncpy(reply_subject, message->subject,
587 sizeof reply_subject);
588 if (strlen(message->subject) > 0) {
590 fprintf(dest, "Subject: %s\n",
594 scr_printf("Subject: ");
596 scr_printf("%s\n", message->subject);
598 lines_printed = checkpagin(lines_printed,
599 pagin, screenheight);
604 if (pagin == 1 && !dest) {
608 /******* end of header output, start of message text output *******/
611 * Convert HTML to plain text, formatting for the actual width
612 * of the client screen.
614 if (!strcasecmp(message->content_type, "text/html")) {
615 converted_text = html_to_ascii(message->text, screenwidth, 0);
616 if (converted_text != NULL) {
618 message->text = converted_text;
623 /* Text/plain is a different type */
624 if (!strcasecmp(message->content_type, "text/plain")) {
629 num_urls = 0; /* Start with a clean slate */
630 searchptr = message->text;
631 while ( (searchptr != NULL) && (num_urls < MAXURLS) ) {
632 searchptr = strstr(searchptr, "http://");
633 if (searchptr != NULL) {
634 safestrncpy(urls[num_urls], searchptr, sizeof(urls[num_urls]));
635 for (i = 0; i < strlen(urls[num_urls]); i++) {
636 ch = urls[num_urls][i];
637 if (ch == '>' || ch == '\"' || ch == ')' ||
638 ch == ' ' || ch == '\n') {
639 urls[num_urls][i] = 0;
651 if (format_type == 0) {
652 fr = fmout(screenwidth, NULL, message->text, dest,
653 ((pagin == 1) ? 1 : 0), screenheight, (-1), 1);
655 /* renderer for text/plain */
657 lineptr = message->text;
660 nextline = strchr(lineptr, '\n');
661 if (nextline != NULL) {
664 if (*nextline == 0) nextline = NULL;
667 if (sigcaught == 0) {
668 linelen = strlen(lineptr);
669 if (lineptr[linelen-1] == '\r') {
670 lineptr[--linelen] = 0;
673 fprintf(dest, "%s\n", lineptr);
675 scr_printf("%s\n", lineptr);
676 lines_printed = lines_printed + 1 +
677 (linelen / screenwidth);
679 checkpagin(lines_printed, pagin,
683 if (lineptr[0] == 0) final_line_is_blank = 1;
684 else final_line_is_blank = 0;
689 if (!final_line_is_blank) {
696 lines_printed = checkpagin(lines_printed, pagin, screenheight);
700 /* Enumerate any attachments */
701 if ( (pagin == 1) && (can_do_msg4) && (message->attachments) ) {
704 for (ptr = message->attachments; ptr; ptr = ptr->next) {
705 if ( (!strcasecmp(ptr->disposition, "attachment"))
706 || (!strcasecmp(ptr->disposition, "inline"))) {
709 color(BRIGHT_MAGENTA);
710 pprintf("%s", ptr->number);
714 pprintf("%s", ptr->filename);
716 pprintf(" (%s, %ld bytes)\n", ptr->mimetype, ptr->length);
717 if (!strncmp(ptr->mimetype, "image/", 6))
723 /* Save the attachments info for later */
724 last_message_parts = message->attachments;
730 if (pagin == 1 && !dest)
737 * replace string function for the built-in editor
739 void replace_string(char *filename, long int startpos)
748 int substitutions = 0;
751 scr_printf("Enter text to be replaced:\n: ");
752 getline(srch_str, (sizeof(srch_str)-1) );
753 if (strlen(srch_str) == 0)
756 scr_printf("Enter text to replace it with:\n: ");
757 getline(rplc_str, (sizeof(rplc_str)-1) );
759 fp = fopen(filename, "r+");
764 fseek(fp, startpos, 0);
766 while (a = getc(fp), a > 0) {
768 buf[strlen(buf) + 1] = 0;
769 buf[strlen(buf)] = a;
770 if (strlen(buf) >= strlen(srch_str)) {
771 ptr = (&buf[strlen(buf) - strlen(srch_str)]);
772 if (!strncmp(ptr, srch_str, strlen(srch_str))) {
773 strcpy(ptr, rplc_str);
777 if (strlen(buf) > 384) {
780 fwrite((char *) buf, 128, 1, fp);
781 strcpy(buf, &buf[128]);
788 fwrite((char *) buf, strlen(buf), 1, fp);
791 truncate(filename, wpos);
792 scr_printf("<R>eplace made %d substitution(s).\n\n", substitutions);
796 * Function to begin composing a new message
798 int client_make_message(CtdlIPC *ipc,
799 char *filename, /* temporary file name */
800 char *recipient, /* NULL if it's not mail */
804 char *subject) /* buffer to store subject line */
811 char *editor_path = NULL;
816 if((mode-2) < MAX_EDITORS && strlen(editor_paths[mode-2]) > 0) {
817 editor_path = editor_paths[mode-2];
818 } else if (strlen(editor_paths[0]) > 0) {
819 editor_path = editor_paths[0];
822 ("*** No editor available, using built-in editor\n");
827 fmt_date(datestr, sizeof datestr, time(NULL), 0);
830 if (room_flags & QR_ANONONLY && !recipient) {
831 snprintf(header, sizeof header, " ****");
834 snprintf(header, sizeof header,
837 (is_anonymous ? "[anonymous]" : fullname)
839 if (strlen(recipient) > 0) {
840 size_t tmp = strlen(header);
841 snprintf(&header[tmp], sizeof header - tmp,
842 " to %s", recipient);
845 scr_printf("%s\n", header);
846 if (subject != NULL) if (strlen(subject) > 0) {
847 scr_printf("Subject: %s\n", subject);
853 scr_printf("(Press ctrl-d when finished)\n");
857 fp = fopen(filename, "r");
859 fmout(screenwidth, fp, NULL, NULL, 0, screenheight, 0, 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 */
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");
949 b = keymenu("Entry command (? for options)",
950 "<A>bort|<C>ontinue|<S>ave message|<P>rint formatted|"
952 "<R>eplace string|<H>old message");
961 scr_printf(" %s from %s", datestr, fullname);
962 if (strlen(recipient) > 0)
963 scr_printf(" to %s", recipient);
965 if (subject != NULL) if (strlen(subject) > 0) {
966 scr_printf("Subject: %s\n", subject);
968 fp = fopen(filename, "r");
970 fmout(screenwidth, fp, NULL, NULL,
971 ((userflags & US_PAGINATOR) ? 1 : 0),
979 replace_string(filename, 0L);
986 if (subject != NULL) {
987 newprompt("Subject: ", subject, 70);
994 MEABT: scr_printf("Are you sure? ");
998 MEABT2: unlink(filename);
1005 * Transmit message text to the server.
1007 * This loop also implements a "tick" counter that displays the progress, if
1008 * we're sending something that will take a long time to transmit.
1010 void transmit_message(CtdlIPC *ipc, FILE *fp)
1017 fseek(fp, 0L, SEEK_END);
1020 lasttick = time(NULL);
1022 while (ch = getc(fp), (ch >= 0)) {
1024 if (!strcmp(buf, "000"))
1025 strcpy(buf, ">000");
1026 CtdlIPC_putline(ipc, buf);
1032 if ((ch == 32) && (strlen(buf) > 200)) {
1034 if (!strcmp(buf, "000"))
1035 strcpy(buf, ">000");
1036 CtdlIPC_putline(ipc, buf);
1039 if (strlen(buf) > 250) {
1040 if (!strcmp(buf, "000"))
1041 strcpy(buf, ">000");
1042 CtdlIPC_putline(ipc, buf);
1047 if ((time(NULL) - lasttick) > 2L) {
1048 scr_printf(" %3ld%% completed\r",
1049 ((ftell(fp) * 100L) / msglen));
1051 lasttick = time(NULL);
1055 CtdlIPC_putline(ipc, buf);
1063 * Make sure there's room in msg_arr[] for at least one more.
1065 void check_msg_arr_size(void) {
1066 if ((num_msgs + 1) > msg_arr_size) {
1067 msg_arr_size += 512;
1068 msg_arr = realloc(msg_arr,
1069 ((sizeof(long)) * msg_arr_size) );
1076 * entmsg() - edit and create a message
1077 * returns 0 if message was saved
1079 int entmsg(CtdlIPC *ipc,
1080 int is_reply, /* nonzero if this was a <R>eply command */
1090 struct ctdlipcmessage message;
1091 unsigned long *msgarr = NULL;
1092 int r; /* IPC response code */
1099 strcpy(subject, "");
1102 * First, check to see if we have permission to enter a message in
1103 * this room. The server will return an error code if we can't.
1105 strcpy(message.recipient, "");
1106 strcpy(message.author, "");
1107 strcpy(message.subject, "");
1108 message.text = message.author; /* point to "", changes later */
1109 message.anonymous = 0;
1110 message.type = mode;
1111 r = CtdlIPCPostMessage(ipc, 0, &message, buf);
1113 if (r / 100 != 2 && r / 10 != 57) {
1114 scr_printf("%s\n", buf);
1118 /* Error code 570 is special. It means that we CAN enter a message
1119 * in this room, but a recipient needs to be specified.
1125 /* If the user is a dumbass, tell them how to type. */
1126 if ((userflags & US_EXPERT) == 0) {
1127 formout(ipc, "entermsg");
1130 /* Handle the selection of a recipient, if necessary. */
1132 if (need_recp == 1) {
1135 strcpy(buf, reply_to);
1137 scr_printf("Enter recipient: ");
1138 getline(buf, (SIZ-100) );
1139 if (strlen(buf) == 0)
1143 strcpy(buf, "sysop");
1145 strcpy(message.recipient, buf);
1148 if (strlen(reply_subject) > 0) {
1149 if (!strncasecmp(reply_subject,
1151 strcpy(message.subject, reply_subject);
1154 snprintf(message.subject,
1155 sizeof message.subject,
1162 if (room_flags & QR_ANONOPT) {
1163 scr_printf("Anonymous (Y/N)? ");
1165 message.anonymous = 1;
1168 /* If it's mail, we've got to check the validity of the recipient... */
1169 if (strlen(message.recipient) > 0) {
1170 r = CtdlIPCPostMessage(ipc, 0, &message, buf);
1172 scr_printf("%s\n", buf);
1177 /* Learn the number of the newest message in in the room, so we can
1178 * tell upon saving whether someone else has posted too.
1181 r = CtdlIPCGetMessages(ipc, LastMessages, 1, NULL, &msgarr, buf);
1183 scr_printf("%s\n", buf);
1185 for (num_msgs = 0; msgarr[num_msgs]; num_msgs++)
1189 /* Now compose the message... */
1190 if (client_make_message(ipc, temp, message.recipient, message.anonymous, 0, c, message.subject) != 0) {
1194 /* Reopen the temp file that was created, so we can send it */
1195 fp = fopen(temp, "r");
1197 if (!fp || !(message.text = load_message_from_file(fp))) {
1198 err_printf("*** Internal error while trying to save message!\n"
1200 temp, strerror(errno));
1207 /* Transmit message to the server */
1208 r = CtdlIPCPostMessage(ipc, 1, &message, buf);
1210 scr_printf("%s\n", buf);
1214 /* Yes, unlink it now, so it doesn't stick around if we crash */
1217 if (num_msgs >= 1) highmsg = msgarr[num_msgs - 1];
1219 if (msgarr) free(msgarr);
1221 r = CtdlIPCGetMessages(ipc, NewMessages, 0, NULL, &msgarr, buf);
1223 scr_printf("%s\n", buf);
1225 for (num_msgs = 0; msgarr[num_msgs]; num_msgs++)
1229 /* get new highest message number in room to set lrp for goto... */
1230 maxmsgnum = msgarr[num_msgs - 1];
1232 /* now see if anyone else has posted in here */
1234 for (a = 0; a < num_msgs; ++a) {
1235 if (msgarr[a] > highmsg) {
1239 if (msgarr) free(msgarr);
1242 /* In the Mail> room, this algorithm always counts one message
1243 * higher than in public rooms, so we decrement it by one.
1250 scr_printf("*** 1 additional message has been entered "
1251 "in this room by another user.\n");
1254 scr_printf("*** %d additional messages have been entered "
1255 "in this room by other users.\n", b);
1262 * Do editing on a quoted file
1264 void process_quote(void)
1266 FILE *qfile, *tfile;
1268 int line, qstart, qend;
1270 /* Unlink the second temp file as soon as it's opened, so it'll get
1271 * deleted even if the program dies
1273 qfile = fopen(temp2, "r");
1276 /* Display the quotable text with line numbers added */
1278 fgets(buf, 128, qfile);
1279 while (fgets(buf, 128, qfile) != NULL) {
1280 scr_printf("%2d %s", ++line, buf);
1282 scr_printf("Begin quoting at [ 1] : ");
1284 qstart = (buf[0] == 0) ? (1) : atoi(buf);
1285 scr_printf(" End quoting at [%d] : ", line);
1287 qend = (buf[0] == 0) ? (line) : atoi(buf);
1290 fgets(buf, 128, qfile);
1291 tfile = fopen(temp, "w");
1292 while (fgets(buf, 128, qfile) != NULL) {
1293 if ((++line >= qstart) && (line <= qend))
1294 fprintf(tfile, " >%s", buf);
1296 fprintf(tfile, " \n");
1305 * List the URL's which were embedded in the previous message
1307 void list_urls(CtdlIPC *ipc)
1312 if (num_urls == 0) {
1313 scr_printf("There were no URL's in the previous message.\n\n");
1317 for (i = 0; i < num_urls; ++i) {
1318 scr_printf("%3d %s\n", i + 1, urls[i]);
1321 if ((i = num_urls) != 1)
1322 i = intprompt("Display which one", 1, 1, num_urls);
1324 snprintf(cmd, sizeof cmd, rc_url_cmd, urls[i - 1]);
1331 * Run image viewer in background
1333 int do_image_view(const char *filename)
1338 snprintf(cmd, sizeof cmd, imagecmd, filename);
1345 if (childpid == 0) {
1347 pid_t grandchildpid;
1349 grandchildpid = fork();
1350 if (grandchildpid < 0) {
1351 return grandchildpid;
1354 if (grandchildpid == 0) {
1359 nullfd = open("/dev/null", O_WRONLY);
1366 retcode = system(cmd);
1376 if (grandchildpid > 0) {
1384 waitpid(childpid, &retcode, 0);
1393 * View an image attached to a message
1395 void image_view(CtdlIPC *ipc, unsigned long msg)
1397 struct parts *ptr = last_message_parts;
1401 /* Run through available parts */
1402 for (ptr = last_message_parts; ptr; ptr = ptr->next) {
1403 if ((!strcasecmp(ptr->disposition, "attachment")
1404 || !strcasecmp(ptr->disposition, "inline"))
1405 && !strncmp(ptr->mimetype, "image/", 6)) {
1408 strcpy(part, ptr->number);
1415 strprompt("View which part (0 when done)", part, SIZ-1);
1417 for (ptr = last_message_parts; ptr; ptr = ptr->next) {
1418 if ((!strcasecmp(ptr->disposition, "attachment")
1419 || !strcasecmp(ptr->disposition, "inline"))
1420 && !strncmp(ptr->mimetype, "image/", 6)
1421 && !strcasecmp(ptr->number, part)) {
1424 void *file = NULL; /* The downloaded file */
1429 r = CtdlIPCAttachmentDownload(ipc, msg, ptr->number, &file, progress, buf);
1431 scr_printf("%s\n", buf);
1435 len = (size_t)extract_long(buf, 0);
1436 progress(ipc, len, len);
1438 snprintf(tmp, sizeof tmp, "%s.%s",
1441 save_buffer(file, len, tmp);
1455 * Read the messages in the current room
1457 void readmsgs(CtdlIPC *ipc,
1458 enum MessageList c, /* see listing in citadel_ipc.h */
1459 enum MessageDirection rdir, /* 1=Forward (-1)=Reverse */
1460 int q /* Number of msgs to read (if c==3) */
1462 int a, b, e, f, g, start;
1468 char prtfile[PATH_MAX];
1471 char targ[ROOMNAMELEN];
1472 char filename[PATH_MAX];
1473 char save_to[PATH_MAX];
1474 void *attachment = NULL; /* Downloaded attachment */
1475 FILE *dest = NULL; /* Alternate destination other than screen */
1476 int r; /* IPC response code */
1483 strcpy(prtfile, tmpnam(NULL));
1489 r = CtdlIPCGetMessages(ipc, c, q, NULL, &msg_arr, cmd);
1491 scr_printf("%s\n", cmd);
1493 for (num_msgs = 0; msg_arr[num_msgs]; num_msgs++)
1497 if (num_msgs == 0) { /* TODO look at this later */
1498 if (c == LastMessages) return;
1499 scr_printf("*** There are no ");
1500 if (c == NewMessages) scr_printf("new ");
1501 if (c == OldMessages) scr_printf("old ");
1502 scr_printf("messages in this room.\n");
1508 /* this loop cycles through each message... */
1509 start = ((rdir == 1) ? 0 : (num_msgs - 1));
1510 for (a = start; ((a < num_msgs) && (a >= 0)); a = a + rdir) {
1511 while (msg_arr[a] == 0L) {
1513 if ((a == num_msgs) || (a == (-1)))
1517 RAGAIN: pagin = ((arcflag == 0)
1519 && (userflags & US_PAGINATOR)) ? 1 : 0;
1521 /* If we're doing a quote, set the screenwidth to 72 */
1523 hold_sw = screenwidth;
1527 /* If printing or archiving, set the screenwidth to 80 */
1529 hold_sw = screenwidth;
1533 /* clear parts list */
1534 free_parts(last_message_parts);
1535 last_message_parts = NULL;
1537 /* now read the message... */
1538 e = read_message(ipc, msg_arr[a], pagin, dest);
1540 /* ...and set the screenwidth back if we have to */
1541 if ((quotflag) || (arcflag)) {
1542 screenwidth = hold_sw;
1544 RMSGREAD: scr_flush();
1545 highest_msg_read = msg_arr[a];
1550 enable_color = hold_color;
1557 enable_color = hold_color;
1560 freopen(prtfile, "r", stdin);
1562 sttybbs(SB_RESTORE);
1563 ka_system(printcmd);
1564 sttybbs(SB_NO_INTR);
1572 } while ((g != f) && (g >= 0));
1573 scr_printf("Message printed.\n");
1575 if (rc_alt_semantics && c == 1) {
1578 r = CtdlIPCSetMessageSeen(ipc, msg_arr[a], 1, buf);
1582 if (((userflags & US_NOPROMPT) || (e == 2))
1583 && (((room_flags & QR_MAILBOX) == 0)
1584 || (rc_force_mail_prompts == 0))) {
1589 color(BRIGHT_WHITE);
1590 scr_printf("%d", num_msgs - a - 1);
1594 keyopt("<B>ack <A>gain <Q>uote <R>eply <N>ext <S>top ");
1595 if (rc_url_cmd[0] && num_urls)
1596 keyopt("<U>RLview ");
1597 if (has_images > 0 && strlen(imagecmd) > 0)
1598 keyopt("<I>mages ");
1599 keyopt("<?>help -> ");
1603 e = (inkey() & 127);
1605 /* return key same as <N> */ if (e == 10)
1607 /* space key same as <N> */ if (e == 32)
1609 /* del/move for aides only */
1611 && ((room_flags & QR_MAILBOX) ==
1613 if ((e == 'd') || (e == 'm'))
1616 /* print only if available */
1617 if ((e == 'p') && (strlen(printcmd) == 0))
1619 /* can't file if not allowed */
1621 && (rc_allow_attachments == 0))
1623 /* link only if browser avail*/
1625 && (strlen(rc_url_cmd) == 0))
1628 && (!strlen(imagecmd) || !has_images))
1630 } while ((e != 'a') && (e != 'n') && (e != 's')
1631 && (e != 'd') && (e != 'm') && (e != 'p')
1632 && (e != 'q') && (e != 'b') && (e != 'h')
1633 && (e != 'r') && (e != 'f') && (e != '?')
1634 && (e != 'u') && (e != 'c') && (e != 'y')
1641 scr_printf("Again");
1644 scr_printf("Delete");
1656 scr_printf("Print");
1659 scr_printf("Quote");
1665 scr_printf("Header");
1668 scr_printf("Reply");
1674 scr_printf("URL's");
1677 scr_printf("mY next");
1682 scr_printf("? <help>");
1685 if (userflags & US_DISAPPEAR || e == 'i')
1686 scr_printf("\r%79s\r", "");
1693 scr_printf("Options available here:\n"
1694 " ? Help (prints this message)\n"
1695 " S Stop reading immediately\n"
1696 " A Again (repeats last message)\n"
1697 " N Next (continue with next message)\n"
1698 " Y My Next (continue with next message you authored)\n"
1699 " B Back (go back to previous message)\n");
1701 || (room_flags & QR_MAILBOX)) {
1702 scr_printf(" D Delete this message\n"
1703 " M Move message to another room\n");
1705 scr_printf(" C Copy message to another room\n");
1706 if (strlen(printcmd) > 0)
1707 scr_printf(" P Print this message\n");
1709 " Q Quote portions of this message for your next post\n"
1710 " H Headers (display message headers only)\n");
1712 scr_printf(" R Reply to this message\n");
1713 if (rc_allow_attachments)
1715 (" F (save attachments to a file)\n");
1716 if (strlen(rc_url_cmd) > 0)
1717 scr_printf(" U (list URL's for display)\n");
1718 if (strlen(imagecmd) > 0 && has_images > 0)
1719 scr_printf(" I Image viewer\n");
1724 dest = fopen(prtfile, "w");
1726 hold_color = enable_color;
1731 dest = fopen(temp2, "w");
1733 hold_color = enable_color;
1745 newprompt("Enter target room: ",
1746 targ, ROOMNAMELEN - 1);
1747 if (strlen(targ) > 0) {
1748 r = CtdlIPCMoveMessage(ipc, (e == 'c' ? 1 : 0),
1749 msg_arr[a], targ, cmd);
1750 scr_printf("%s\n", cmd);
1756 if (r / 100 != 2) /* r will be init'ed, FIXME */
1757 goto RMSGREAD; /* the logic here sucks */
1760 newprompt("Which section? ", filename,
1761 ((sizeof filename) - 1));
1762 r = CtdlIPCAttachmentDownload(ipc, msg_arr[a],
1763 filename, &attachment, progress, cmd);
1765 scr_printf("%s\n", cmd);
1767 extract(filename, cmd, 2);
1769 * Part 1 won't have a filename; use the
1770 * subject of the message instead. IO
1772 if (!strlen(filename))
1773 strcpy(filename, reply_subject);
1774 destination_directory(save_to, filename);
1775 save_buffer(attachment,
1776 extract_unsigned_long(cmd, 0),
1785 scr_printf("*** Delete this message? ");
1787 r = CtdlIPCDeleteMessage(ipc, msg_arr[a], cmd);
1788 scr_printf("%s\n", cmd);
1796 read_message(ipc, msg_arr[a], READ_HEADER, NULL);
1799 savedpos = num_msgs;
1800 entmsg(ipc, 1, (rc_reply_extedit ? 2 : 0));
1801 num_msgs = savedpos;
1807 image_view(ipc, msg_arr[a]);
1810 { /* hack hack hack */
1811 /* find the next message by me, stay here if we find nothing */
1814 for (finda = a; ((finda < num_msgs) && (finda >= 0)); finda += rdir)
1816 /* This is repetitively dumb, but that's what computers are for.
1817 We have to load up messages until we find one by us */
1820 struct ctdlipcmessage *msg = NULL;
1822 /* read the header so we can get 'from=' */
1823 r = CtdlIPCGetSingleMessage(ipc, msg_arr[finda], 1, 0, &msg, buf);
1824 if (!strncasecmp(msg->author, fullname, sizeof(fullname))) {
1825 a = lasta; /* meesa current */
1833 lasta = finda; /* keep one behind or we skip on the reentrance to the for */
1837 } /* end for loop */
1838 } /* end read routine */
1844 * View and edit a system message
1846 void edit_system_message(CtdlIPC *ipc, char *which_message)
1850 char write_cmd[SIZ];
1852 snprintf(desc, sizeof desc, "system message '%s'", which_message);
1853 snprintf(read_cmd, sizeof read_cmd, "MESG %s", which_message);
1854 snprintf(write_cmd, sizeof write_cmd, "EMSG %s", which_message);
1855 do_edit(ipc, desc, read_cmd, "NOOP", write_cmd);
1862 * Verify the message base
1864 void check_message_base(CtdlIPC *ipc)
1867 char *transcript = NULL;
1868 int r; /* IPC response code */
1871 ("Please read the documentation before running this command.\n"
1872 "Having done so, do you still want to check the message base? ");
1876 r = CtdlIPCMessageBaseCheck(ipc, &transcript, buf);
1878 scr_printf("%s\n", buf);
1882 while (transcript && strlen(transcript)) {
1884 extract_token(buf, transcript, 0, '\n');
1885 remove_token(transcript, 0, '\n');
1886 pprintf("%s\n", buf);
1888 if (transcript) free(transcript);
1894 * Loads the contents of a file into memory. Caller must free the allocated
1897 char *load_message_from_file(FILE *src)
1903 fseek(src, 0, SEEK_END);
1907 dest = (char *)calloc(1, i + 1);
1914 g = fread(dest + got, 1, i - got, src);
1917 /* Interrupted system call, keep going */
1920 /* At this point we have either EOF or error */