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;
361 /* Read a message from the server
363 int read_message(CtdlIPC *ipc,
364 long num, /* message number */
365 int pagin, /* 0 = normal read, 1 = read with pagination, 2 = header */
366 FILE *dest) /* Destination file, NULL for screen */
373 struct ctdlipcmessage *message = NULL;
374 int r; /* IPC response code */
375 char *converted_text = NULL;
382 int final_line_is_blank = 0;
389 strcpy(reply_to, NO_REPLY_TO);
390 strcpy(reply_subject, "");
392 r = CtdlIPCGetSingleMessage(ipc, num, (pagin == READ_HEADER ? 1 : 0),
393 (can_do_msg4 ? 4 : 0),
396 err_printf("*** msg #%ld: %d %s\n", num, r, buf);
399 checkpagin(lines_printed, pagin, screenheight);
405 fprintf(dest, "\n ");
409 lines_printed = checkpagin(lines_printed, pagin, screenheight);
413 if (pagin == 1 && !dest) {
417 /* View headers only */
419 pprintf("nhdr=%s\nfrom=%s\ntype=%d\nmsgn=%s\n",
420 message->nhdr ? "yes" : "no",
421 message->author, message->type,
423 if (strlen(message->subject)) {
424 pprintf("subj=%s\n", message->subject);
426 if (strlen(message->email)) {
427 pprintf("rfca=%s\n", message->email);
429 pprintf("hnod=%s\nroom=%s\nnode=%s\ntime=%s",
430 message->hnod, message->room,
432 asctime(localtime(&message->time)));
433 if (strlen(message->recipient)) {
434 pprintf("rcpt=%s\n", message->recipient);
436 if (message->attachments) {
439 for (ptr = message->attachments; ptr; ptr = ptr->next) {
440 pprintf("part=%s|%s|%s|%s|%s|%ld\n",
441 ptr->name, ptr->filename, ptr->number,
442 ptr->disposition, ptr->mimetype,
451 if (rc_display_message_numbers) {
453 fprintf(dest, "[#%s] ", message->msgid);
458 scr_printf("#%s", message->msgid);
463 if (nhdr == 1 && !is_room_aide) {
465 fprintf(dest, " ****");
470 fmt_date(now, sizeof now, message->time, 0);
472 fprintf(dest, "%s from %s ", now, message->author);
473 if (strlen(message->email)) {
474 fprintf(dest, "<%s> ", message->email);
478 scr_printf("%s ", now);
482 scr_printf("%s ", message->author);
483 if (strlen(message->email)) {
487 scr_printf("%s", message->email);
492 if (strlen(message->node)) {
493 if ((room_flags & QR_NETWORK)
494 || ((strcasecmp(message->node, serv_info.serv_nodename)
495 && (strcasecmp(message->node, serv_info.serv_fqdn))))) {
496 if (strlen(message->email) == 0) {
498 fprintf(dest, "@%s ", message->node);
502 color(BRIGHT_YELLOW);
503 scr_printf("%s ", message->node);
508 if (strcasecmp(message->hnod, serv_info.serv_humannode)
509 && (strlen(message->hnod)) && (!strlen(message->email))) {
511 fprintf(dest, "(%s) ", message->hnod);
516 scr_printf("%s", message->hnod);
521 if (strcasecmp(message->room, room_name) && (strlen(message->email) == 0)) {
523 fprintf(dest, "in %s> ", message->room);
527 color(BRIGHT_MAGENTA);
528 scr_printf("%s> ", message->room);
531 if (strlen(message->recipient)) {
533 fprintf(dest, "to %s ", message->recipient);
538 scr_printf("%s ", message->recipient);
549 /* Set the reply-to address to an Internet e-mail address if possible
551 if (message->email != NULL) if (strlen(message->email) > 0) {
552 safestrncpy(reply_to, message->email, sizeof reply_to);
555 /* But if we can't do that, set it to a Citadel address.
557 if (!strcmp(reply_to, NO_REPLY_TO)) {
558 snprintf(reply_to, sizeof(reply_to), "%s @ %s",
559 message->author, message->node);
564 lines_printed = checkpagin(lines_printed, pagin, screenheight);
567 if (message->subject != NULL) {
568 safestrncpy(reply_subject, message->subject,
569 sizeof reply_subject);
570 if (strlen(message->subject) > 0) {
572 fprintf(dest, "Subject: %s\n",
576 scr_printf("Subject: ");
578 scr_printf("%s\n", message->subject);
580 lines_printed = checkpagin(lines_printed,
581 pagin, screenheight);
586 if (pagin == 1 && !dest) {
590 /******* end of header output, start of message text output *******/
593 * Convert HTML to plain text, formatting for the actual width
594 * of the client screen.
596 if (!strcasecmp(message->content_type, "text/html")) {
597 converted_text = html_to_ascii(message->text, screenwidth, 0);
598 if (converted_text != NULL) {
600 message->text = converted_text;
605 /* Text/plain is a different type */
606 if (!strcasecmp(message->content_type, "text/plain")) {
611 num_urls = 0; /* Start with a clean slate */
612 searchptr = message->text;
613 while ( (searchptr != NULL) && (num_urls < MAXURLS) ) {
614 searchptr = strstr(searchptr, "http://");
615 if (searchptr != NULL) {
616 safestrncpy(urls[num_urls], searchptr, sizeof(urls[num_urls]));
617 for (i = 0; i < strlen(urls[num_urls]); i++) {
618 ch = urls[num_urls][i];
619 if (ch == '>' || ch == '\"' || ch == ')' ||
620 ch == ' ' || ch == '\n') {
621 urls[num_urls][i] = 0;
633 if (format_type == 0) {
634 fr = fmout(screenwidth, NULL, message->text, dest,
635 ((pagin == 1) ? 1 : 0), screenheight, (-1), 1);
637 /* renderer for text/plain */
639 lineptr = message->text;
642 nextline = strchr(lineptr, '\n');
643 if (nextline != NULL) {
646 if (*nextline == 0) nextline = NULL;
649 if (sigcaught == 0) {
650 linelen = strlen(lineptr);
651 if (lineptr[linelen-1] == '\r') {
652 lineptr[--linelen] = 0;
655 fprintf(dest, "%s\n", lineptr);
657 scr_printf("%s\n", lineptr);
658 lines_printed = lines_printed + 1 +
659 (linelen / screenwidth);
661 checkpagin(lines_printed, pagin,
665 if (lineptr[0] == 0) final_line_is_blank = 1;
666 else final_line_is_blank = 0;
671 if (!final_line_is_blank) {
678 lines_printed = checkpagin(lines_printed, pagin, screenheight);
682 /* Enumerate any attachments */
683 if ( (pagin == 1) && (can_do_msg4) && (message->attachments) ) {
686 for (ptr = message->attachments; ptr; ptr = ptr->next) {
687 if ( (!strcasecmp(ptr->disposition, "attachment"))
688 || (!strcasecmp(ptr->disposition, "inline"))) {
691 color(BRIGHT_MAGENTA);
692 scr_printf("%s", ptr->number);
696 scr_printf("%s", ptr->filename);
698 scr_printf(" (%s, %ld bytes)\n", ptr->mimetype, ptr->length);
699 if (!strncmp(ptr->mimetype, "image/", 6))
705 /* Save the attachments info for later */
706 last_message_parts = message->attachments;
712 if (pagin == 1 && !dest)
719 * replace string function for the built-in editor
721 void replace_string(char *filename, long int startpos)
730 int substitutions = 0;
733 scr_printf("Enter text to be replaced:\n: ");
734 getline(srch_str, (sizeof(srch_str)-1) );
735 if (strlen(srch_str) == 0)
738 scr_printf("Enter text to replace it with:\n: ");
739 getline(rplc_str, (sizeof(rplc_str)-1) );
741 fp = fopen(filename, "r+");
746 fseek(fp, startpos, 0);
748 while (a = getc(fp), a > 0) {
750 buf[strlen(buf) + 1] = 0;
751 buf[strlen(buf)] = a;
752 if (strlen(buf) >= strlen(srch_str)) {
753 ptr = (&buf[strlen(buf) - strlen(srch_str)]);
754 if (!strncmp(ptr, srch_str, strlen(srch_str))) {
755 strcpy(ptr, rplc_str);
759 if (strlen(buf) > 384) {
762 fwrite((char *) buf, 128, 1, fp);
763 strcpy(buf, &buf[128]);
770 fwrite((char *) buf, strlen(buf), 1, fp);
773 truncate(filename, wpos);
774 scr_printf("<R>eplace made %d substitution(s).\n\n", substitutions);
778 * Function to begin composing a new message
780 int client_make_message(CtdlIPC *ipc,
781 char *filename, /* temporary file name */
782 char *recipient, /* NULL if it's not mail */
786 char *subject) /* buffer to store subject line */
793 char *editor_path = NULL;
798 if((mode-2) < MAX_EDITORS && strlen(editor_paths[mode-2]) > 0) {
799 editor_path = editor_paths[mode-2];
800 } else if (strlen(editor_paths[0]) > 0) {
801 editor_path = editor_paths[0];
804 ("*** No editor available, using built-in editor\n");
809 fmt_date(datestr, sizeof datestr, time(NULL), 0);
812 if (room_flags & QR_ANONONLY && !recipient) {
813 snprintf(header, sizeof header, " ****");
816 snprintf(header, sizeof header,
819 (is_anonymous ? "[anonymous]" : fullname)
821 if (strlen(recipient) > 0) {
822 size_t tmp = strlen(header);
823 snprintf(&header[tmp], sizeof header - tmp,
824 " to %s", recipient);
827 scr_printf("%s\n", header);
828 if (subject != NULL) if (strlen(subject) > 0) {
829 scr_printf("Subject: %s\n", subject);
835 scr_printf("(Press ctrl-d when finished)\n");
839 fp = fopen(filename, "r");
841 fmout(screenwidth, fp, NULL, NULL, 0, screenheight, 0, 0);
845 fp = fopen(filename, "w");
847 err_printf("*** Error opening temp file!\n"
849 filename, strerror(errno));
859 fp = fopen(filename, "r+");
861 err_printf("*** Error opening temp file!\n"
863 filename, strerror(errno));
871 fp = fopen(filename, "a");
873 err_printf("*** Error opening temp file!\n"
875 filename, strerror(errno));
895 default: /* allow 2+ modes */
896 e_ex_code = 1; /* start with a failed exit code */
898 cksum = file_checksum(filename);
901 if (editor_pid == 0) {
904 chmod(filename, 0600);
905 snprintf(tmp, sizeof tmp, "WINDOW_TITLE=%s", header);
907 execlp(editor_path, editor_path, filename, NULL);
913 b = ka_wait(&e_ex_code);
914 } while ((b != editor_pid) && (b >= 0));
921 MECR: if (mode >= 2) {
922 if (file_checksum(filename) == cksum) {
923 err_printf("*** Aborted message.\n");
931 b = keymenu("Entry command (? for options)",
932 "<A>bort|<C>ontinue|<S>ave message|<P>rint formatted|"
934 "<R>eplace string|<H>old message");
943 scr_printf(" %s from %s", datestr, fullname);
944 if (strlen(recipient) > 0)
945 scr_printf(" to %s", recipient);
947 if (subject != NULL) if (strlen(subject) > 0) {
948 scr_printf("Subject: %s\n", subject);
950 fp = fopen(filename, "r");
952 fmout(screenwidth, fp, NULL, NULL,
953 ((userflags & US_PAGINATOR) ? 1 : 0),
961 replace_string(filename, 0L);
968 if (subject != NULL) {
969 newprompt("Subject: ", subject, 70);
976 MEABT: scr_printf("Are you sure? ");
980 MEABT2: unlink(filename);
987 * Transmit message text to the server.
989 * This loop also implements a "tick" counter that displays the progress, if
990 * we're sending something that will take a long time to transmit.
992 void transmit_message(CtdlIPC *ipc, FILE *fp)
999 fseek(fp, 0L, SEEK_END);
1002 lasttick = time(NULL);
1004 while (ch = getc(fp), (ch >= 0)) {
1006 if (!strcmp(buf, "000"))
1007 strcpy(buf, ">000");
1008 CtdlIPC_putline(ipc, buf);
1014 if ((ch == 32) && (strlen(buf) > 200)) {
1016 if (!strcmp(buf, "000"))
1017 strcpy(buf, ">000");
1018 CtdlIPC_putline(ipc, buf);
1021 if (strlen(buf) > 250) {
1022 if (!strcmp(buf, "000"))
1023 strcpy(buf, ">000");
1024 CtdlIPC_putline(ipc, buf);
1029 if ((time(NULL) - lasttick) > 2L) {
1030 scr_printf(" %3ld%% completed\r",
1031 ((ftell(fp) * 100L) / msglen));
1033 lasttick = time(NULL);
1037 CtdlIPC_putline(ipc, buf);
1045 * Make sure there's room in msg_arr[] for at least one more.
1047 void check_msg_arr_size(void) {
1048 if ((num_msgs + 1) > msg_arr_size) {
1049 msg_arr_size += 512;
1050 msg_arr = realloc(msg_arr,
1051 ((sizeof(long)) * msg_arr_size) );
1058 * entmsg() - edit and create a message
1059 * returns 0 if message was saved
1061 int entmsg(CtdlIPC *ipc,
1062 int is_reply, /* nonzero if this was a <R>eply command */
1072 struct ctdlipcmessage message;
1073 unsigned long *msgarr = NULL;
1074 int r; /* IPC response code */
1081 strcpy(subject, "");
1084 * First, check to see if we have permission to enter a message in
1085 * this room. The server will return an error code if we can't.
1087 strcpy(message.recipient, "");
1088 strcpy(message.author, "");
1089 strcpy(message.subject, "");
1090 message.text = message.author; /* point to "", changes later */
1091 message.anonymous = 0;
1092 message.type = mode;
1093 r = CtdlIPCPostMessage(ipc, 0, &message, buf);
1095 if (r / 100 != 2 && r / 10 != 57) {
1096 scr_printf("%s\n", buf);
1100 /* Error code 570 is special. It means that we CAN enter a message
1101 * in this room, but a recipient needs to be specified.
1107 /* If the user is a dumbass, tell them how to type. */
1108 if ((userflags & US_EXPERT) == 0) {
1109 formout(ipc, "entermsg");
1112 /* Handle the selection of a recipient, if necessary. */
1114 if (need_recp == 1) {
1117 strcpy(buf, reply_to);
1119 scr_printf("Enter recipient: ");
1120 getline(buf, (SIZ-100) );
1121 if (strlen(buf) == 0)
1125 strcpy(buf, "sysop");
1127 strcpy(message.recipient, buf);
1130 if (strlen(reply_subject) > 0) {
1131 if (!strncasecmp(reply_subject,
1133 strcpy(message.subject, reply_subject);
1136 snprintf(message.subject,
1137 sizeof message.subject,
1144 if (room_flags & QR_ANONOPT) {
1145 scr_printf("Anonymous (Y/N)? ");
1147 message.anonymous = 1;
1150 /* If it's mail, we've got to check the validity of the recipient... */
1151 if (strlen(message.recipient) > 0) {
1152 r = CtdlIPCPostMessage(ipc, 0, &message, buf);
1154 scr_printf("%s\n", buf);
1159 /* Learn the number of the newest message in in the room, so we can
1160 * tell upon saving whether someone else has posted too.
1163 r = CtdlIPCGetMessages(ipc, LastMessages, 1, NULL, &msgarr, buf);
1165 scr_printf("%s\n", buf);
1167 for (num_msgs = 0; msgarr[num_msgs]; num_msgs++)
1171 /* Now compose the message... */
1172 if (client_make_message(ipc, temp, message.recipient, message.anonymous, 0, c, message.subject) != 0) {
1176 /* Reopen the temp file that was created, so we can send it */
1177 fp = fopen(temp, "r");
1179 /* Yes, unlink it now, so it doesn't stick around if we crash */
1182 if (!fp || !(message.text = load_message_from_file(fp))) {
1183 err_printf("*** Internal error while trying to save message!\n"
1185 temp, strerror(errno));
1191 /* Transmit message to the server */
1192 r = CtdlIPCPostMessage(ipc, 1, &message, buf);
1194 scr_printf("%s\n", buf);
1198 if (num_msgs >= 1) highmsg = msgarr[num_msgs - 1];
1200 if (msgarr) free(msgarr);
1202 r = CtdlIPCGetMessages(ipc, NewMessages, 0, NULL, &msgarr, buf);
1204 scr_printf("%s\n", buf);
1206 for (num_msgs = 0; msgarr[num_msgs]; num_msgs++)
1210 /* get new highest message number in room to set lrp for goto... */
1211 maxmsgnum = msgarr[num_msgs - 1];
1213 /* now see if anyone else has posted in here */
1215 for (a = 0; a < num_msgs; ++a) {
1216 if (msgarr[a] > highmsg) {
1220 if (msgarr) free(msgarr);
1223 /* In the Mail> room, this algorithm always counts one message
1224 * higher than in public rooms, so we decrement it by one.
1231 scr_printf("*** 1 additional message has been entered "
1232 "in this room by another user.\n");
1235 scr_printf("*** %d additional messages have been entered "
1236 "in this room by other users.\n", b);
1243 * Do editing on a quoted file
1245 void process_quote(void)
1247 FILE *qfile, *tfile;
1249 int line, qstart, qend;
1251 /* Unlink the second temp file as soon as it's opened, so it'll get
1252 * deleted even if the program dies
1254 qfile = fopen(temp2, "r");
1257 /* Display the quotable text with line numbers added */
1259 fgets(buf, 128, qfile);
1260 while (fgets(buf, 128, qfile) != NULL) {
1261 scr_printf("%2d %s", ++line, buf);
1263 scr_printf("Begin quoting at [ 1] : ");
1265 qstart = (buf[0] == 0) ? (1) : atoi(buf);
1266 scr_printf(" End quoting at [%d] : ", line);
1268 qend = (buf[0] == 0) ? (line) : atoi(buf);
1271 fgets(buf, 128, qfile);
1272 tfile = fopen(temp, "w");
1273 while (fgets(buf, 128, qfile) != NULL) {
1274 if ((++line >= qstart) && (line <= qend))
1275 fprintf(tfile, " >%s", buf);
1277 fprintf(tfile, " \n");
1286 * List the URL's which were embedded in the previous message
1288 void list_urls(CtdlIPC *ipc)
1293 if (num_urls == 0) {
1294 scr_printf("There were no URL's in the previous message.\n\n");
1298 for (i = 0; i < num_urls; ++i) {
1299 scr_printf("%3d %s\n", i + 1, urls[i]);
1302 if ((i = num_urls) != 1)
1303 i = intprompt("Display which one", 1, 1, num_urls);
1305 snprintf(cmd, sizeof cmd, rc_url_cmd, urls[i - 1]);
1312 * Image viewer thread (for background image viewing)
1314 void *image_view_thread(void *filename)
1320 snprintf(cmd, sizeof cmd, imagecmd, (char *)filename);
1324 perror("Cannot fork");
1326 unlink((char *)filename);
1327 return ((void *) childpid);
1330 if (childpid == 0) {
1331 execlp("/bin/sh", "sh", "-c", cmd, NULL);
1336 waitpid(childpid, &retcode, 0);
1337 unlink((char *)filename);
1338 return ((void *)retcode);
1341 return ((void *)-1);
1346 * View an image attached to a message
1348 void image_view(CtdlIPC *ipc, unsigned long msg)
1350 char selected_part[SIZ];
1351 struct parts *ptr = last_message_parts;
1355 /* List available parts */
1356 for (ptr = last_message_parts; ptr; ptr = ptr->next) {
1357 if ((!strcasecmp(ptr->disposition, "attachment")
1358 || !strcasecmp(ptr->disposition, "inline"))
1359 && !strncmp(ptr->mimetype, "image/", 6)) {
1361 scr_printf("Part ");
1362 color(BRIGHT_MAGENTA);
1363 scr_printf("%s", ptr->number);
1366 strncpy(selected_part, ptr->number, SIZ-1);
1371 scr_printf("%s", ptr->filename);
1373 scr_printf(" (%s, %ld bytes)\n", ptr->mimetype, ptr->length);
1379 strprompt("View which part (0 when done)", selected_part, SIZ-1);
1380 for (ptr = last_message_parts; ptr; ptr = ptr->next) {
1381 if ((!strcasecmp(ptr->disposition, "attachment")
1382 || !strcasecmp(ptr->disposition, "inline"))
1383 && !strncmp(ptr->mimetype, "image/", 6)
1384 && !strcmp(ptr->number, selected_part)) {
1387 void *file = NULL; /* The downloaded file */
1388 #ifdef THREADED_CLIENT
1389 pthread_t *ivthread = NULL;
1395 r = CtdlIPCAttachmentDownload(ipc, msg, selected_part, &file, progress, buf);
1397 scr_printf("%s\n", buf);
1401 len = (size_t)extract_long(buf, 0);
1404 strcpy(tmp, tmpnam(NULL));
1405 save_buffer(file, len, tmp);
1408 pthread_create(ivthread, NULL, image_view_thread, tmp);
1410 snprintf(buf, sizeof buf, imagecmd, tmp);
1422 * Read the messages in the current room
1424 void readmsgs(CtdlIPC *ipc,
1425 enum MessageList c, /* see listing in citadel_ipc.h */
1426 enum MessageDirection rdir, /* 1=Forward (-1)=Reverse */
1427 int q /* Number of msgs to read (if c==3) */
1429 int a, b, e, f, g, start;
1435 char prtfile[PATH_MAX];
1438 char targ[ROOMNAMELEN];
1439 char filename[PATH_MAX];
1440 char save_to[PATH_MAX];
1441 void *attachment = NULL; /* Downloaded attachment */
1442 FILE *dest = NULL; /* Alternate destination other than screen */
1443 int r; /* IPC response code */
1450 strcpy(prtfile, tmpnam(NULL));
1456 r = CtdlIPCGetMessages(ipc, c, q, NULL, &msg_arr, cmd);
1458 scr_printf("%s\n", cmd);
1460 for (num_msgs = 0; msg_arr[num_msgs]; num_msgs++)
1464 if (num_msgs == 0) { /* TODO look at this later */
1465 if (c == LastMessages) return;
1466 scr_printf("*** There are no ");
1467 if (c == NewMessages) scr_printf("new ");
1468 if (c == OldMessages) scr_printf("old ");
1469 scr_printf("messages in this room.\n");
1475 /* this loop cycles through each message... */
1476 start = ((rdir == 1) ? 0 : (num_msgs - 1));
1477 for (a = start; ((a < num_msgs) && (a >= 0)); a = a + rdir) {
1478 while (msg_arr[a] == 0L) {
1480 if ((a == num_msgs) || (a == (-1)))
1484 RAGAIN: pagin = ((arcflag == 0)
1486 && (userflags & US_PAGINATOR)) ? 1 : 0;
1488 /* If we're doing a quote, set the screenwidth to 72 */
1490 hold_sw = screenwidth;
1494 /* If printing or archiving, set the screenwidth to 80 */
1496 hold_sw = screenwidth;
1500 /* clear parts list */
1501 /* FIXME free() the old parts list */
1502 last_message_parts = NULL;
1504 /* now read the message... */
1505 e = read_message(ipc, msg_arr[a], pagin, dest);
1507 /* ...and set the screenwidth back if we have to */
1508 if ((quotflag) || (arcflag)) {
1509 screenwidth = hold_sw;
1511 RMSGREAD: scr_flush();
1512 highest_msg_read = msg_arr[a];
1517 enable_color = hold_color;
1524 enable_color = hold_color;
1527 freopen(prtfile, "r", stdin);
1529 sttybbs(SB_RESTORE);
1530 ka_system(printcmd);
1531 sttybbs(SB_NO_INTR);
1539 } while ((g != f) && (g >= 0));
1540 scr_printf("Message printed.\n");
1542 if (rc_alt_semantics && c == 1) {
1545 r = CtdlIPCSetMessageSeen(ipc, msg_arr[a], 1, buf);
1549 if (((userflags & US_NOPROMPT) || (e == 2))
1550 && (((room_flags & QR_MAILBOX) == 0)
1551 || (rc_force_mail_prompts == 0))) {
1556 color(BRIGHT_WHITE);
1557 scr_printf("%d", num_msgs - a - 1);
1561 keyopt("<B>ack <A>gain <Q>uote <R>eply <N>ext <S>top m<Y> next ");
1562 if (rc_url_cmd[0] && num_urls)
1563 keyopt("<U>RLview ");
1564 if (has_images > 0 && strlen(imagecmd) > 0)
1565 keyopt("<I>mages ");
1566 keyopt("<?>help -> ");
1570 e = (inkey() & 127);
1572 /* return key same as <N> */ if (e == 10)
1574 /* space key same as <N> */ if (e == 32)
1576 /* del/move for aides only */
1578 && ((room_flags & QR_MAILBOX) ==
1580 if ((e == 'd') || (e == 'm'))
1583 /* print only if available */
1584 if ((e == 'p') && (strlen(printcmd) == 0))
1586 /* can't file if not allowed */
1588 && (rc_allow_attachments == 0))
1590 /* link only if browser avail*/
1592 && (strlen(rc_url_cmd) == 0))
1595 && (!strlen(imagecmd) || !has_images))
1597 } while ((e != 'a') && (e != 'n') && (e != 's')
1598 && (e != 'd') && (e != 'm') && (e != 'p')
1599 && (e != 'q') && (e != 'b') && (e != 'h')
1600 && (e != 'r') && (e != 'f') && (e != '?')
1601 && (e != 'u') && (e != 'c') && (e != 'y')
1608 scr_printf("Again");
1611 scr_printf("Delete");
1623 scr_printf("Print");
1626 scr_printf("Quote");
1632 scr_printf("Header");
1635 scr_printf("Reply");
1641 scr_printf("URL's");
1644 scr_printf("mY next");
1647 scr_printf("Images");
1650 scr_printf("? <help>");
1653 if (userflags & US_DISAPPEAR)
1654 scr_printf("\r%79s\r", "");
1661 scr_printf("Options available here:\n"
1662 " ? Help (prints this message)\n"
1663 " S Stop reading immediately\n"
1664 " A Again (repeats last message)\n"
1665 " N Next (continue with next message)\n"
1666 " Y My Next (continue with next message you authored)\n"
1667 " B Back (go back to previous message)\n");
1669 || (room_flags & QR_MAILBOX)) {
1670 scr_printf(" D Delete this message\n"
1671 " M Move message to another room\n");
1673 scr_printf(" C Copy message to another room\n");
1674 if (strlen(printcmd) > 0)
1675 scr_printf(" P Print this message\n");
1677 " Q Quote portions of this message for your next post\n"
1678 " H Headers (display message headers only)\n");
1680 scr_printf(" R Reply to this message\n");
1681 if (rc_allow_attachments)
1683 (" F (save attachments to a file)\n");
1684 if (strlen(rc_url_cmd) > 0)
1685 scr_printf(" U (list URL's for display)\n");
1686 if (strlen(imagecmd) > 0 && has_images > 0)
1687 scr_printf(" I Image viewer\n");
1692 dest = fopen(prtfile, "w");
1694 hold_color = enable_color;
1699 dest = fopen(temp2, "w");
1701 hold_color = enable_color;
1713 newprompt("Enter target room: ",
1714 targ, ROOMNAMELEN - 1);
1715 if (strlen(targ) > 0) {
1716 r = CtdlIPCMoveMessage(ipc, (e == 'c' ? 1 : 0),
1717 msg_arr[a], targ, cmd);
1718 scr_printf("%s\n", cmd);
1724 if (r / 100 != 2) /* r will be init'ed, FIXME */
1725 goto RMSGREAD; /* the logic here sucks */
1728 newprompt("Which section? ", filename,
1729 ((sizeof filename) - 1));
1730 r = CtdlIPCAttachmentDownload(ipc, msg_arr[a],
1731 filename, &attachment, progress, cmd);
1733 scr_printf("%s\n", cmd);
1735 extract(filename, cmd, 2);
1737 * Part 1 won't have a filename; use the
1738 * subject of the message instead. IO
1740 if (!strlen(filename))
1741 strcpy(filename, reply_subject);
1742 destination_directory(save_to, filename);
1743 save_buffer(attachment,
1744 extract_unsigned_long(cmd, 0),
1753 scr_printf("*** Delete this message? ");
1755 r = CtdlIPCDeleteMessage(ipc, msg_arr[a], cmd);
1756 scr_printf("%s\n", cmd);
1764 read_message(ipc, msg_arr[a], READ_HEADER, NULL);
1767 savedpos = num_msgs;
1768 entmsg(ipc, 1, (rc_reply_extedit ? 2 : 0));
1769 num_msgs = savedpos;
1775 image_view(ipc, msg_arr[a]);
1778 { /* hack hack hack */
1779 /* find the next message by me, stay here if we find nothing */
1782 for (finda = a; ((finda < num_msgs) && (finda >= 0)); finda += rdir)
1784 /* This is repetitively dumb, but that's what computers are for.
1785 We have to load up messages until we find one by us */
1789 /* read the header so we can get 'from=' */
1790 snprintf(buf, sizeof buf, "MSG0 %ld|1", msg_arr[finda]);
1791 CtdlIPC_putline(ipc, buf);
1792 CtdlIPC_getline(ipc, buf);
1793 while (CtdlIPC_getline(ipc, buf), strcmp(buf, "000"))
1795 if ((!strncasecmp(buf, "from=", 5)) && (finda != a)) /* Skip current message. */
1797 if (strcasecmp(buf+5, fullname) == 0)
1799 a = lasta; /* meesa current */
1804 /* we are now in synch with the server */
1807 lasta = finda; /* keep one behind or we skip on the reentrance to the for */
1811 } /* end for loop */
1812 } /* end read routine */
1818 * View and edit a system message
1820 void edit_system_message(CtdlIPC *ipc, char *which_message)
1824 char write_cmd[SIZ];
1826 snprintf(desc, sizeof desc, "system message '%s'", which_message);
1827 snprintf(read_cmd, sizeof read_cmd, "MESG %s", which_message);
1828 snprintf(write_cmd, sizeof write_cmd, "EMSG %s", which_message);
1829 do_edit(ipc, desc, read_cmd, "NOOP", write_cmd);
1836 * Verify the message base
1838 void check_message_base(CtdlIPC *ipc)
1841 char *transcript = NULL;
1842 int r; /* IPC response code */
1845 ("Please read the documentation before running this command.\n"
1846 "Having done so, do you still want to check the message base? ");
1850 r = CtdlIPCMessageBaseCheck(ipc, &transcript, buf);
1852 scr_printf("%s\n", buf);
1856 while (transcript && strlen(transcript)) {
1858 extract_token(buf, transcript, 0, '\n');
1859 remove_token(transcript, 0, '\n');
1860 pprintf("%s\n", buf);
1862 if (transcript) free(transcript);
1868 * Loads the contents of a file into memory. Caller must free the allocated
1871 char *load_message_from_file(FILE *src)
1877 fseek(src, 0, SEEK_END);
1881 dest = (char *)calloc(1, i + 1);
1888 g = fread(dest + got, 1, i - got, src);
1891 /* Interrupted system call, keep going */
1894 /* At this point we have either EOF or error */