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(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;
76 extern struct CtdlServInfo serv_info;
79 extern int screenwidth;
80 extern int screenheight;
81 extern long maxmsgnum;
84 extern char is_room_aide;
85 extern char fullname[];
87 extern unsigned userflags;
88 extern char sigcaught;
89 extern char printcmd[];
90 extern int rc_allow_attachments;
91 extern int rc_display_message_numbers;
92 extern int rc_force_mail_prompts;
93 extern int editor_pid;
94 extern CtdlIPC *ipc_for_signal_handlers; /* KLUDGE cover your eyes */
96 char urls[MAXURLS][SIZ];
98 int has_images = 0; /* Current msg has images */
99 struct parts *last_message_parts = NULL; /* Parts from last msg */
103 void ka_sigcatch(int signum)
106 signal(SIGALRM, ka_sigcatch);
107 CtdlIPCNoop(ipc_for_signal_handlers);
112 * server keep-alive version of wait() (needed for external editor)
114 pid_t ka_wait(int *kstatus)
119 signal(SIGALRM, ka_sigcatch);
123 } while (errno == EINTR);
124 signal(SIGALRM, SIG_IGN);
131 * version of system() that uses ka_wait()
133 int ka_system(char *shc)
142 perror("Cannot fork");
144 return ((pid_t) childpid);
148 execlp("/bin/sh", "sh", "-c", shc, NULL);
154 waitpid = ka_wait(&retcode);
155 } while (waitpid != childpid);
165 * add a newline to the buffer...
167 void add_newline(struct cittext *textlist)
172 while (ptr->next != NULL)
175 while (ptr->text[strlen(ptr->text) - 1] == 32)
176 ptr->text[strlen(ptr->text) - 1] = 0;
177 /* strcat(ptr->text,"\n"); */
179 ptr->next = (struct cittext *)
180 malloc(sizeof(struct cittext));
183 strcpy(ptr->text, "");
188 * add a word to the buffer...
190 void add_word(struct cittext *textlist, char *wordbuf)
195 while (ptr->next != NULL)
198 if (3 + strlen(ptr->text) + strlen(wordbuf) > screenwidth) {
199 ptr->next = (struct cittext *)
200 malloc(sizeof(struct cittext));
203 strcpy(ptr->text, "");
206 strcat(ptr->text, wordbuf);
207 strcat(ptr->text, " ");
212 * begin editing of an opened file pointed to by fp
214 void citedit(CtdlIPC *ipc, FILE * fp)
216 int a, prev, finished, b, last_space;
218 struct cittext *textlist = NULL;
220 char wordbuf[MAXWORDBUF];
222 /* first, load the text into the buffer */
224 textlist = (struct cittext *) malloc(sizeof(struct cittext));
225 textlist->next = NULL;
226 strcpy(textlist->text, "");
230 while (a = getc(fp), a >= 0) {
232 if ((a == 32) || (a == 9) || (a == 13) || (a == 10)) {
233 add_word(textlist, wordbuf);
235 if ((prev == 13) || (prev == 10)) {
236 add_word(textlist, "\n");
237 add_newline(textlist);
238 add_word(textlist, "");
241 wordbuf[strlen(wordbuf) + 1] = 0;
242 wordbuf[strlen(wordbuf)] = a;
244 if (strlen(wordbuf) + 3 > screenwidth) {
245 add_word(textlist, wordbuf);
253 prev = (appending ? 13 : (-1));
265 /******* new ***********/
266 if ((a > 32) && (a < 127) && (prev == 13)) {
267 add_word(textlist, "\n");
270 /***********************/
272 if ((a == 32) && (prev == 13)) {
273 add_word(textlist, "\n");
274 add_newline(textlist);
278 if (strlen(wordbuf) > 0) {
279 wordbuf[strlen(wordbuf) - 1] = 0;
284 } else if (a == 23) {
286 wordbuf[strlen(wordbuf) - 1] = 0;
290 } while (strlen(wordbuf) && wordbuf[strlen(wordbuf) - 1] != ' ');
291 } else if (a == 13) {
293 if (strlen(wordbuf) == 0)
296 for (b = 0; b < strlen(wordbuf); ++b)
297 if (wordbuf[b] == 32) {
305 add_word(textlist, wordbuf);
310 wordbuf[strlen(wordbuf) + 1] = 0;
311 wordbuf[strlen(wordbuf)] = a;
313 if ((strlen(wordbuf) + 3) > screenwidth) {
315 for (b = 0; b < strlen(wordbuf); ++b)
316 if (wordbuf[b] == 32)
318 if (last_space >= 0) {
319 for (b = 0; b < strlen(wordbuf); ++b)
320 if (wordbuf[b] == 32) {
328 for (b = 0; b < strlen(wordbuf); ++b) {
333 scr_printf("\n%s", wordbuf);
335 add_word(textlist, wordbuf);
341 } while (finished == 0);
344 /* write the buffer back to disk */
346 for (ptr = textlist; ptr != NULL; ptr = ptr->next) {
347 fprintf(fp, "%s", ptr->text);
351 ftruncate(fileno(fp), ftell(fp));
353 /* and deallocate the memory we used */
354 while (textlist != NULL) {
355 ptr = textlist->next;
363 * Free the struct parts
365 void free_parts(struct parts *p)
367 struct parts *a_part = p;
373 a_part = a_part->next;
380 * Read a message from the server
382 int read_message(CtdlIPC *ipc,
383 long num, /* message number */
384 int pagin, /* 0 = normal read, 1 = read with pagination, 2 = header */
385 FILE *dest) /* Destination file, NULL for screen */
392 struct ctdlipcmessage *message = NULL;
393 int r; /* IPC response code */
394 char *converted_text = NULL;
401 int final_line_is_blank = 0;
408 strcpy(reply_to, NO_REPLY_TO);
409 strcpy(reply_subject, "");
411 r = CtdlIPCGetSingleMessage(ipc, num, (pagin == READ_HEADER ? 1 : 0),
412 (can_do_msg4 ? 4 : 0),
415 err_printf("*** msg #%ld: %d %s\n", num, r, buf);
418 checkpagin(lines_printed, pagin, screenheight);
424 fprintf(dest, "\n ");
428 lines_printed = checkpagin(lines_printed, pagin, screenheight);
432 if (pagin == 1 && !dest) {
436 /* View headers only */
438 pprintf("nhdr=%s\nfrom=%s\ntype=%d\nmsgn=%s\n",
439 message->nhdr ? "yes" : "no",
440 message->author, message->type,
442 if (strlen(message->subject)) {
443 pprintf("subj=%s\n", message->subject);
445 if (strlen(message->email)) {
446 pprintf("rfca=%s\n", message->email);
448 pprintf("hnod=%s\nroom=%s\nnode=%s\ntime=%s",
449 message->hnod, message->room,
451 asctime(localtime(&message->time)));
452 if (strlen(message->recipient)) {
453 pprintf("rcpt=%s\n", message->recipient);
455 if (message->attachments) {
458 for (ptr = message->attachments; ptr; ptr = ptr->next) {
459 pprintf("part=%s|%s|%s|%s|%s|%ld\n",
460 ptr->name, ptr->filename, ptr->number,
461 ptr->disposition, ptr->mimetype,
470 if (rc_display_message_numbers) {
472 fprintf(dest, "[#%s] ", message->msgid);
477 scr_printf("#%s", message->msgid);
482 if (nhdr == 1 && !is_room_aide) {
484 fprintf(dest, " ****");
489 fmt_date(now, sizeof now, message->time, 0);
491 fprintf(dest, "%s from %s ", now, message->author);
492 if (strlen(message->email)) {
493 fprintf(dest, "<%s> ", message->email);
497 scr_printf("%s ", now);
501 scr_printf("%s ", message->author);
502 if (strlen(message->email)) {
506 scr_printf("%s", message->email);
511 if (strlen(message->node)) {
512 if ((room_flags & QR_NETWORK)
513 || ((strcasecmp(message->node, serv_info.serv_nodename)
514 && (strcasecmp(message->node, serv_info.serv_fqdn))))) {
515 if (strlen(message->email) == 0) {
517 fprintf(dest, "@%s ", message->node);
521 color(BRIGHT_YELLOW);
522 scr_printf("%s ", message->node);
527 if (strcasecmp(message->hnod, serv_info.serv_humannode)
528 && (strlen(message->hnod)) && (!strlen(message->email))) {
530 fprintf(dest, "(%s) ", message->hnod);
535 scr_printf("%s", message->hnod);
540 if (strcasecmp(message->room, room_name) && (strlen(message->email) == 0)) {
542 fprintf(dest, "in %s> ", message->room);
546 color(BRIGHT_MAGENTA);
547 scr_printf("%s> ", message->room);
550 if (strlen(message->recipient)) {
552 fprintf(dest, "to %s ", message->recipient);
557 scr_printf("%s ", message->recipient);
568 /* Set the reply-to address to an Internet e-mail address if possible
570 if (message->email != NULL) if (strlen(message->email) > 0) {
571 safestrncpy(reply_to, message->email, sizeof reply_to);
574 /* But if we can't do that, set it to a Citadel address.
576 if (!strcmp(reply_to, NO_REPLY_TO)) {
577 snprintf(reply_to, sizeof(reply_to), "%s @ %s",
578 message->author, message->node);
583 lines_printed = checkpagin(lines_printed, pagin, screenheight);
586 if (message->subject != NULL) {
587 safestrncpy(reply_subject, message->subject,
588 sizeof reply_subject);
589 if (strlen(message->subject) > 0) {
591 fprintf(dest, "Subject: %s\n",
595 scr_printf("Subject: ");
597 scr_printf("%s\n", message->subject);
599 lines_printed = checkpagin(lines_printed,
600 pagin, screenheight);
605 if (pagin == 1 && !dest) {
609 /******* end of header output, start of message text output *******/
612 * Convert HTML to plain text, formatting for the actual width
613 * of the client screen.
615 if (!strcasecmp(message->content_type, "text/html")) {
616 converted_text = html_to_ascii(message->text, screenwidth, 0);
617 if (converted_text != NULL) {
619 message->text = converted_text;
624 /* Text/plain is a different type */
625 if (!strcasecmp(message->content_type, "text/plain")) {
630 num_urls = 0; /* Start with a clean slate */
631 searchptr = message->text;
632 while ( (searchptr != NULL) && (num_urls < MAXURLS) ) {
633 searchptr = strstr(searchptr, "http://");
634 if (searchptr != NULL) {
635 safestrncpy(urls[num_urls], searchptr, sizeof(urls[num_urls]));
636 for (i = 0; i < strlen(urls[num_urls]); i++) {
637 ch = urls[num_urls][i];
638 if (ch == '>' || ch == '\"' || ch == ')' ||
639 ch == ' ' || ch == '\n') {
640 urls[num_urls][i] = 0;
652 if (format_type == 0) {
653 fr = fmout(screenwidth, NULL, message->text, dest,
654 ((pagin == 1) ? 1 : 0), screenheight, (-1), 1);
656 /* renderer for text/plain */
658 lineptr = message->text;
661 nextline = strchr(lineptr, '\n');
662 if (nextline != NULL) {
665 if (*nextline == 0) nextline = NULL;
668 if (sigcaught == 0) {
669 linelen = strlen(lineptr);
670 if (lineptr[linelen-1] == '\r') {
671 lineptr[--linelen] = 0;
674 fprintf(dest, "%s\n", lineptr);
676 scr_printf("%s\n", lineptr);
677 lines_printed = lines_printed + 1 +
678 (linelen / screenwidth);
680 checkpagin(lines_printed, pagin,
684 if (lineptr[0] == 0) final_line_is_blank = 1;
685 else final_line_is_blank = 0;
690 if (!final_line_is_blank) {
697 lines_printed = checkpagin(lines_printed, pagin, screenheight);
701 /* Enumerate any attachments */
702 if ( (pagin == 1) && (can_do_msg4) && (message->attachments) ) {
705 for (ptr = message->attachments; ptr; ptr = ptr->next) {
706 if ( (!strcasecmp(ptr->disposition, "attachment"))
707 || (!strcasecmp(ptr->disposition, "inline"))) {
710 color(BRIGHT_MAGENTA);
711 pprintf("%s", ptr->number);
715 pprintf("%s", ptr->filename);
717 pprintf(" (%s, %ld bytes)\n", ptr->mimetype, ptr->length);
718 if (!strncmp(ptr->mimetype, "image/", 6))
724 /* Save the attachments info for later */
725 last_message_parts = message->attachments;
731 if (pagin == 1 && !dest)
738 * replace string function for the built-in editor
740 void replace_string(char *filename, long int startpos)
749 int substitutions = 0;
752 scr_printf("Enter text to be replaced:\n: ");
753 getline(srch_str, (sizeof(srch_str)-1) );
754 if (strlen(srch_str) == 0)
757 scr_printf("Enter text to replace it with:\n: ");
758 getline(rplc_str, (sizeof(rplc_str)-1) );
760 fp = fopen(filename, "r+");
765 fseek(fp, startpos, 0);
767 while (a = getc(fp), a > 0) {
769 buf[strlen(buf) + 1] = 0;
770 buf[strlen(buf)] = a;
771 if (strlen(buf) >= strlen(srch_str)) {
772 ptr = (&buf[strlen(buf) - strlen(srch_str)]);
773 if (!strncmp(ptr, srch_str, strlen(srch_str))) {
774 strcpy(ptr, rplc_str);
778 if (strlen(buf) > 384) {
781 fwrite((char *) buf, 128, 1, fp);
782 strcpy(buf, &buf[128]);
789 fwrite((char *) buf, strlen(buf), 1, fp);
792 truncate(filename, wpos);
793 scr_printf("<R>eplace made %d substitution(s).\n\n", substitutions);
797 * Function to begin composing a new message
799 int client_make_message(CtdlIPC *ipc,
800 char *filename, /* temporary file name */
801 char *recipient, /* NULL if it's not mail */
805 char *subject) /* buffer to store subject line */
812 char *editor_path = NULL;
817 if((mode-2) < MAX_EDITORS && strlen(editor_paths[mode-2]) > 0) {
818 editor_path = editor_paths[mode-2];
819 } else if (strlen(editor_paths[0]) > 0) {
820 editor_path = editor_paths[0];
823 ("*** No editor available, using built-in editor\n");
828 fmt_date(datestr, sizeof datestr, time(NULL), 0);
831 if (room_flags & QR_ANONONLY && !recipient) {
832 snprintf(header, sizeof header, " ****");
835 snprintf(header, sizeof header,
838 (is_anonymous ? "[anonymous]" : fullname)
840 if (strlen(recipient) > 0) {
841 size_t tmp = strlen(header);
842 snprintf(&header[tmp], sizeof header - tmp,
843 " to %s", recipient);
846 scr_printf("%s\n", header);
847 if (subject != NULL) if (strlen(subject) > 0) {
848 scr_printf("Subject: %s\n", subject);
854 scr_printf("(Press ctrl-d when finished)\n");
858 fp = fopen(filename, "r");
860 fmout(screenwidth, fp, NULL, NULL, 0, screenheight, 0, 0);
864 fp = fopen(filename, "w");
866 err_printf("*** Error opening temp file!\n"
868 filename, strerror(errno));
878 fp = fopen(filename, "r+");
880 err_printf("*** Error opening temp file!\n"
882 filename, strerror(errno));
890 fp = fopen(filename, "a");
892 err_printf("*** Error opening temp file!\n"
894 filename, strerror(errno));
914 default: /* allow 2+ modes */
915 e_ex_code = 1; /* start with a failed exit code */
917 cksum = file_checksum(filename);
920 if (editor_pid == 0) {
923 chmod(filename, 0600);
924 snprintf(tmp, sizeof tmp, "WINDOW_TITLE=%s", header);
926 execlp(editor_path, editor_path, filename, NULL);
932 b = ka_wait(&e_ex_code);
933 } while ((b != editor_pid) && (b >= 0));
940 MECR: if (mode >= 2) {
941 if (file_checksum(filename) == cksum) {
942 err_printf("*** Aborted message.\n");
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");
962 scr_printf(" %s from %s", datestr, fullname);
963 if (strlen(recipient) > 0)
964 scr_printf(" to %s", recipient);
966 if (subject != NULL) if (strlen(subject) > 0) {
967 scr_printf("Subject: %s\n", subject);
969 fp = fopen(filename, "r");
971 fmout(screenwidth, fp, NULL, NULL,
972 ((userflags & US_PAGINATOR) ? 1 : 0),
980 replace_string(filename, 0L);
987 if (subject != NULL) {
988 newprompt("Subject: ", subject, 70);
995 MEABT: scr_printf("Are you sure? ");
999 MEABT2: unlink(filename);
1006 * Transmit message text to the server.
1008 * This loop also implements a "tick" counter that displays the progress, if
1009 * we're sending something that will take a long time to transmit.
1011 void transmit_message(CtdlIPC *ipc, FILE *fp)
1018 fseek(fp, 0L, SEEK_END);
1021 lasttick = time(NULL);
1023 while (ch = getc(fp), (ch >= 0)) {
1025 if (!strcmp(buf, "000"))
1026 strcpy(buf, ">000");
1027 CtdlIPC_putline(ipc, buf);
1033 if ((ch == 32) && (strlen(buf) > 200)) {
1035 if (!strcmp(buf, "000"))
1036 strcpy(buf, ">000");
1037 CtdlIPC_putline(ipc, buf);
1040 if (strlen(buf) > 250) {
1041 if (!strcmp(buf, "000"))
1042 strcpy(buf, ">000");
1043 CtdlIPC_putline(ipc, buf);
1048 if ((time(NULL) - lasttick) > 2L) {
1049 scr_printf(" %3ld%% completed\r",
1050 ((ftell(fp) * 100L) / msglen));
1052 lasttick = time(NULL);
1056 CtdlIPC_putline(ipc, buf);
1064 * Make sure there's room in msg_arr[] for at least one more.
1066 void check_msg_arr_size(void) {
1067 if ((num_msgs + 1) > msg_arr_size) {
1068 msg_arr_size += 512;
1069 msg_arr = realloc(msg_arr,
1070 ((sizeof(long)) * msg_arr_size) );
1077 * entmsg() - edit and create a message
1078 * returns 0 if message was saved
1080 int entmsg(CtdlIPC *ipc,
1081 int is_reply, /* nonzero if this was a <R>eply command */
1091 struct ctdlipcmessage message;
1092 unsigned long *msgarr = NULL;
1093 int r; /* IPC response code */
1100 strcpy(subject, "");
1103 * First, check to see if we have permission to enter a message in
1104 * this room. The server will return an error code if we can't.
1106 strcpy(message.recipient, "");
1107 strcpy(message.author, "");
1108 strcpy(message.subject, "");
1109 message.text = message.author; /* point to "", changes later */
1110 message.anonymous = 0;
1111 message.type = mode;
1112 r = CtdlIPCPostMessage(ipc, 0, &message, buf);
1114 if (r / 100 != 2 && r / 10 != 57) {
1115 scr_printf("%s\n", buf);
1119 /* Error code 570 is special. It means that we CAN enter a message
1120 * in this room, but a recipient needs to be specified.
1126 /* If the user is a dumbass, tell them how to type. */
1127 if ((userflags & US_EXPERT) == 0) {
1128 formout(ipc, "entermsg");
1131 /* Handle the selection of a recipient, if necessary. */
1133 if (need_recp == 1) {
1136 strcpy(buf, reply_to);
1138 scr_printf("Enter recipient: ");
1139 getline(buf, (SIZ-100) );
1140 if (strlen(buf) == 0)
1144 strcpy(buf, "sysop");
1146 strcpy(message.recipient, buf);
1149 if (strlen(reply_subject) > 0) {
1150 if (!strncasecmp(reply_subject,
1152 strcpy(message.subject, reply_subject);
1155 snprintf(message.subject,
1156 sizeof message.subject,
1163 if (room_flags & QR_ANONOPT) {
1164 scr_printf("Anonymous (Y/N)? ");
1166 message.anonymous = 1;
1169 /* If it's mail, we've got to check the validity of the recipient... */
1170 if (strlen(message.recipient) > 0) {
1171 r = CtdlIPCPostMessage(ipc, 0, &message, buf);
1173 scr_printf("%s\n", buf);
1178 /* Learn the number of the newest message in in the room, so we can
1179 * tell upon saving whether someone else has posted too.
1182 r = CtdlIPCGetMessages(ipc, LastMessages, 1, NULL, &msgarr, buf);
1184 scr_printf("%s\n", buf);
1186 for (num_msgs = 0; msgarr[num_msgs]; num_msgs++)
1190 /* Now compose the message... */
1191 if (client_make_message(ipc, temp, message.recipient, message.anonymous, 0, c, message.subject) != 0) {
1195 /* Reopen the temp file that was created, so we can send it */
1196 fp = fopen(temp, "r");
1198 /* Yes, unlink it now, so it doesn't stick around if we crash */
1201 if (!fp || !(message.text = load_message_from_file(fp))) {
1202 err_printf("*** Internal error while trying to save message!\n"
1204 temp, strerror(errno));
1210 /* Transmit message to the server */
1211 r = CtdlIPCPostMessage(ipc, 1, &message, buf);
1213 scr_printf("%s\n", buf);
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);
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 */
1821 /* read the header so we can get 'from=' */
1822 snprintf(buf, sizeof buf, "MSG0 %ld|1", msg_arr[finda]);
1823 CtdlIPC_putline(ipc, buf);
1824 CtdlIPC_getline(ipc, buf);
1825 while (CtdlIPC_getline(ipc, buf), strcmp(buf, "000"))
1827 if ((!strncasecmp(buf, "from=", 5)) && (finda != a)) /* Skip current message. */
1829 if (strcasecmp(buf+5, fullname) == 0)
1831 a = lasta; /* meesa current */
1836 /* we are now in synch with the server */
1839 lasta = finda; /* keep one behind or we skip on the reentrance to the for */
1843 } /* end for loop */
1844 } /* end read routine */
1850 * View and edit a system message
1852 void edit_system_message(CtdlIPC *ipc, char *which_message)
1856 char write_cmd[SIZ];
1858 snprintf(desc, sizeof desc, "system message '%s'", which_message);
1859 snprintf(read_cmd, sizeof read_cmd, "MESG %s", which_message);
1860 snprintf(write_cmd, sizeof write_cmd, "EMSG %s", which_message);
1861 do_edit(ipc, desc, read_cmd, "NOOP", write_cmd);
1868 * Verify the message base
1870 void check_message_base(CtdlIPC *ipc)
1873 char *transcript = NULL;
1874 int r; /* IPC response code */
1877 ("Please read the documentation before running this command.\n"
1878 "Having done so, do you still want to check the message base? ");
1882 r = CtdlIPCMessageBaseCheck(ipc, &transcript, buf);
1884 scr_printf("%s\n", buf);
1888 while (transcript && strlen(transcript)) {
1890 extract_token(buf, transcript, 0, '\n');
1891 remove_token(transcript, 0, '\n');
1892 pprintf("%s\n", buf);
1894 if (transcript) free(transcript);
1900 * Loads the contents of a file into memory. Caller must free the allocated
1903 char *load_message_from_file(FILE *src)
1909 fseek(src, 0, SEEK_END);
1913 dest = (char *)calloc(1, i + 1);
1920 g = fread(dest + got, 1, i - got, src);
1923 /* Interrupted system call, keep going */
1926 /* At this point we have either EOF or error */