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- /* @(#)mail.c (c) copyright 1986 (Dan Heller) */
-
- #include "mush.h"
-
- /*
- * mail.c --
- * do_mail() external interface to these functions; parses options.
- * mail_someone() called from do_mail() to begin composing the message.
- * start_file() creates the editing file and reset signal catching.
- * add_to_letter() adds the next line to letter --determine ~ escapes.
- * finish_up_letter() prompts for Cc:, verifies send, adds signatures.
- * send_it() expands aliases, invokes mailer, sends to record file.
- * add_headers() adds all headers to a FILE *, reads draft files
- * rm_edfile() signals are directed here. remove letter, longjmp
- * dead_letter() make a dead.letter if mail failed.
- */
-
- static char Subject[BUFSIZ],To[HDRSIZ],Cc[HDRSIZ],Bcc[HDRSIZ],in_reply_to[256];
- static int killme;
- static u_long flags;
- static SIGRET (*oldterm)(), (*oldint)(), (*oldquit)();
- static int finish_up_letter(), send_it(), start_file();
- static long add_headers();
- static jmp_buf cntrl_c_buf;
- static char *Hfile, *edfile;
- FILE *ed_fp;
- char *hfile, *mktemp();
-
- /* argc and argv could be null if coming from tool mode compose */
- do_mail(n, argv, list)
- register int n; /* no need for "argc", so use the space for a variable */
- register char **argv, *list;
- {
- char firstchar = (argv)? **argv: 'm';
- char *to = NULL, *cc = NULL, *addcc = NULL, *bcc = NULL, *subj = NULL;
- char *route = NULL;
- char inc_list[MAXMSGS_BITS], buf[HDRSIZ];
- u_long flgs = 0;
-
- if (ison(glob_flags, IS_GETTING)) {
- wprint("You must finish the letter you are editing first.\n");
- return -1;
- }
- if (ison(glob_flags, DO_PIPE)) {
- wprint("You can't pipe through the mail command.\n");
- return -1;
- }
- clear_msg_list(inc_list);
- hfile = Hfile = NULL;
-
- /* If piped to mail, include the messages piped */
- if (ison(glob_flags, IS_PIPE) ||
- (lower(firstchar) == 'r' && do_set(set_options, "autoinclude"))) {
- turnon(flgs, INCLUDE);
- bitput(list, inc_list, msg_cnt, =);
- }
- /* Set SIGN and DO_FORTUNE now so we can turn them off later */
- if (do_set(set_options, "autosign"))
- turnon(flgs, SIGN);
- if (do_set(set_options, "fortune"))
- turnon(flgs, DO_FORTUNE);
- while (argv && *argv && *++argv && **argv == '-') {
- n = 1;
- while (n && argv[0][n])
- switch (argv[0][n]) {
- #ifdef VERBOSE_ARG
- case 'v': turnon(flgs, VERBOSE); n++; break;
- #endif /* VERBOSE_ARG */
- case 'H':
- if (argv[1]) {
- n = 0;
- Hfile = *++argv;
- } else {
- wprint("Must specify a file\n");
- return -1;
- }
- when 'h':
- if (argv[1]) {
- n = -1; /* it gets incremented below */
- hfile = savestr(*++argv);
- if (ison(glob_flags, REDIRECT)) {
- turnoff(glob_flags, REDIRECT);
- turnon(flgs, SEND_NOW);
- }
- } else {
- wprint("Must specify a file containing headers\n");
- return -1;
- }
- /* Fall through */
- case 'E': turnon(flgs, EDIT_HDRS); n++;
- when 'e': turnon(flgs, EDIT); n++;
- when 'F': turnon(flgs, DO_FORTUNE); n++;
- when 'b':
- if (argv[1]) {
- n = 0, bcc = *++argv;
- fix_up_addr(bcc);
- } else {
- wprint("Must specify blind-carbon list\n");
- return -1;
- }
- when 'c':
- if (argv[1]) {
- n = 0, addcc = *++argv;
- fix_up_addr(addcc);
- } else {
- wprint("Must specify carbon-copy list\n");
- return -1;
- }
- when 's':
- if (argv[1])
- n = 0, subj = *++argv;
- else
- n++, turnon(flgs, NEW_SUBJECT);
- when 'i': case 'I': case 'f': {
- int m;
- if (!msg_cnt) {
- wprint("No message to include!\n");
- return -1;
- }
- if (argv[0][n] == 'i') {
- turnon(flgs, INCLUDE);
- turnoff(flgs, INCLUDE_H);
- turnoff(flgs, FORWARD);
- } else if (argv[0][n] == 'I') {
- turnon(flgs, INCLUDE_H);
- turnoff(flgs, INCLUDE);
- turnoff(flgs, FORWARD);
- } else if (argv[0][n] == 'f') {
- turnon(flgs, FORWARD);
- turnon(flgs, SEND_NOW);
- turnoff(flgs, INCLUDE_H);
- turnoff(flgs, INCLUDE);
- }
- /* "-i 3-5" or "-i3-5" Consider the latter case first */
- if (!argv[0][++n])
- argv++, n = 0;
- (*argv) += n;
- m = get_msg_list(argv, inc_list);
- (*argv) -= n;
- if (m == -1)
- return -1;
- /* if there were args, then go back to the first char
- * in the next argv
- */
- if (m)
- n = 0;
- if (!n) /* n may be 0 from above! */
- argv += (m-1);
- }
- when 'U':
- turnon(flgs, SEND_NOW);
- n++;
- when 'u':
- turnoff(flgs, SIGN);
- turnoff(flgs, DO_FORTUNE);
- n++;
- when 'r':
- if (lower(firstchar) == 'r') {
- route = *++argv;
- n = 0;
- break;
- }
- /* fall thru */
- default:
- if (argv[0][n] != '?') {
- wprint("%c: unknown option\n\n", argv[0][n]);
- return -1;
- } else
- return help(0, "mail", cmd_help);
- }
- }
- if (isoff(flgs, FORWARD)) {
- if (ison(flgs, SEND_NOW)) {
- if (!hfile && !Hfile) {
- wprint("Can't send immediately without draft file.\n");
- return -1;
- }
- turnoff(flgs, EDIT); /* -U overrides -e */
- } else if (do_set(set_options, "autoedit"))
- turnon(flgs, EDIT);
- } else if (ison(flgs, EDIT)) /* -e modifies -f */
- turnoff(flgs, SEND_NOW);
- #ifdef VERBOSE_ARG
- if (do_set(set_options, "verbose"))
- turnon(flgs, VERBOSE);
- #endif /* VERBOSE_ARG */
- *in_reply_to = *To = *Subject = *Cc = *Bcc = 0;
- if (lower(firstchar) == 'r') {
- char *in_reply_fmt, *pcc = NULL;
- to = To, cc = Cc;
- /*
- * Generate a reply to all the messages passed to respond(). This
- * list is different than the include-msg list above. Get info about
- * whom the messages were sent to for reply-all.
- * BUG: currently, redundant addresses aren't pruned from Bcc list!
- */
- for (n = 0; n < msg_cnt; n++)
- if (msg_bit(list, n)) {
- if (to != To)
- *to++ = ',', *to++ = ' ';
- (void) reply_to(n, (firstchar == 'R'), buf);
- if (strlen(buf) + (to - To) > sizeof(To) - 1) {
- wprint("# recipients exceeded at msg %d\n", n);
- break;
- }
- to += Strcpy(to, buf);
- if (firstchar == 'R') {
- if (pcc = cc_to(n, buf)) {
- /* if there was a previous cc, append ", " */
- if (cc != Cc)
- *cc++ = ',', *cc++ = ' ';
- if (strlen(pcc) + (cc - Cc) > sizeof(Cc) - 1)
- wprint("# Cc's exceeded at msg %d\n", n);
- else
- cc += Strcpy(cc, pcc);
- }
- }
- /* remove redundant addresses now, or headers could get too
- * long before the list runs out (it still might)
- */
- rm_redundant_addrs(To, Cc);
- to = To + strlen(To);
- cc = Cc + strlen(Cc);
- }
- /* clean up end of Cc line for replyall's */
- while (*cc == ' ' || *cc == ',')
- *cc-- = '\0';
- if (firstchar == 'R' && !do_set(set_options, "metoo")) {
- /* Each reply_to() call above will leave at least
- * one person in To. If that one person was us,
- * we need to get removed from the complete list.
- */
- (void) take_me_off(to);
- }
- to = To, cc = Cc;
- if (route || (route = do_set(set_options, "auto_route")))
- /* careful! This routine could add lots-o-bytes and lose addresses
- * to avoid writing out of segment.
- */
- route_addresses(To, Cc, route);
- if (in_reply_fmt = do_set(set_options, "in_reply_to"))
- /* "9" here is a magic # --see compose_hdr() */
- (void) strcpy(in_reply_to,
- format_hdr(current_msg, in_reply_fmt, FALSE)+9);
- }
- if (ison(flgs, FORWARD) && ison(flgs, EDIT) ||
- lower(firstchar) == 'r' && isoff(flgs, NEW_SUBJECT)) {
- turnoff(flgs, NEW_SUBJECT);
- if (subj && *subj && (isoff(flgs, FORWARD) || ison(flgs, EDIT)))
- subj = strcpy(Subject, subj);
- else if (subj = subject_to(current_msg, buf))
- subj = strcpy(Subject, buf + 4*(lower(firstchar) != 'r'));
- } else if (isoff(flgs, NEW_SUBJECT) && isoff(flgs, FORWARD) &&
- (do_set(set_options, "ask") || do_set(set_options, "asksub")))
- turnon(flgs, NEW_SUBJECT);
- if (argv && *argv) {
- char buf[HDRSIZ];
- (void) argv_to_string(buf, argv);
- fix_up_addr(buf);
- to = &To[strlen(To)];
- if (*To)
- *to++ = ',', *to++ = ' ';
- (void) strcpy(to, buf);
- to = To;
- }
- if (addcc && *addcc) {
- cc = &Cc[strlen(Cc)];
- if (*Cc)
- *cc++ = ',', *cc++ = ' ';
- (void) strcpy(cc, addcc); /* addcc has already been fixed up */
- cc = Cc;
- }
- /* remove any redundant addresses that just got added */
- rm_redundant_addrs(To, Cc);
- if (bcc && *bcc)
- (void) strncpy(Bcc, bcc, sizeof(Bcc)); /* bcc already fixed up */
- bcc = Bcc;
-
- return mail_someone(to, subj, cc, bcc, flgs, inc_list);
- }
-
- static
- mail_someone(to, subject, cc, bcc, flgs, list)
- register char *to, *subject, *cc, *bcc, *list;
- u_long flgs;
- {
- register char *p;
-
- flags = flgs;
- if (to && *to) {
- if (!*To)
- (void) strncpy(To, to, sizeof(To));
- } else
- to = NO_STRING;
- if (subject && *subject) {
- if (!*Subject)
- (void) strncpy(Subject, subject, sizeof(Subject));
- } else
- subject = NO_STRING;
- if (cc && *cc) {
- if (!*Cc)
- (void) strncpy(Cc, cc, sizeof(Cc));
- } else
- Cc[0] = '\0';
- if (bcc && *bcc) {
- if (!*Bcc)
- (void) strncpy(Bcc, bcc, sizeof(Bcc));
- } else
- Bcc[0] = '\0';
-
- if (ison(glob_flags, REDIRECT)) {
- /*
- * NOTE: Could change this to finish_up_letter() to allow
- * signatures to be appended. The -U! option to mush would
- * be extended to suppress signing when redirection is on.
- */
- int sent = send_it();
- if (sent == -1) {
- wprint("Message not sent!\n");
- rm_edfile(-1);
- }
- return sent;
- }
- /* if (!*to) then prompting will be done */
- if (!istool && !hfile) {
- if (p = set_header("To: ", to, !*to)) {
- if (!*to) /* if user typed To-line here, fix up the addresses */
- fix_up_addr(p);
- (void) strcpy(To, p);
- }
- if (!*To && ison(flags, FORWARD) && ison(flags, SEND_NOW)) {
- turnoff(flags, SEND_NOW); /* user must edit To: line or do again */
- print("(You must add a To: address.)\n");
- }
- /* don't prompt for subject if forwarding mail */
- if (isoff(flags, FORWARD) && (*subject || ison(flags, NEW_SUBJECT)) &&
- (p = set_header("Subject: ", subject,
- !*subject && ison(flags, NEW_SUBJECT))))
- (void) strcpy(Subject, p);
- if (*Cc || ison(flags, EDIT_HDRS) && do_set(set_options, "askcc")) {
- if ((p = set_header("Cc: ", cc, !*Cc)) && *p) {
- fix_up_addr(p);
- (void) strcpy(Cc, p);
- }
- }
- if (*Bcc)
- print("Bcc: %s\n", Bcc);
- putchar('\n');
- }
-
- /* If forwarding w/o editing, start a new file for each. */
- if (ison(flags, FORWARD) && ison(flags, SEND_NOW)) {
- char fwd[MAXMSGS_BITS];
- register int i;
- clear_msg_list(fwd);
- for (i = 0; i < msg_cnt; i++)
- if (msg_bit(list, i)) {
- set_msg_bit(fwd, i);
- if (start_file(fwd) < 0)
- return -1;
- turnon(msg[i].m_flags, FORWARD);
- if (isoff(glob_flags, READ_ONLY))
- turnon(glob_flags, DO_UPDATE);
- clear_msg_list(fwd);
- }
- } else
- return start_file(list);
- return 0;
- }
-
- static
- start_file(list)
- char *list;
- {
- register char *dir;
- register int i;
- char line[MAXPATHLEN];
- int had_hfile = FALSE;
-
- /* getdir() uses the home directory if no tmpdir */
- if (!(dir = getdir(do_set(set_options, "tmpdir"))))
- alted:
- dir = ALTERNATE_HOME;
- (void) mktemp(sprintf(line, "%s/%s", dir, EDFILE));
- strdup(edfile, line);
- if (!(ed_fp = mask_fopen(edfile, "w+"))) {
- if (strcmp(dir, ALTERNATE_HOME))
- goto alted;
- error("can't create %s", edfile);
- return -1;
- }
- if (!istool) {
- oldint = signal(SIGINT, rm_edfile);
- oldquit = signal(SIGQUIT, rm_edfile);
- oldterm = signal(SIGTERM, rm_edfile);
- }
-
- if (istool && isoff(flags, SEND_NOW) ||
- (isoff(flags, FORWARD) || isoff(flags, SEND_NOW)) &&
- (ison(flags, EDIT_HDRS) || do_set(set_options, "edit_hdrs"))) {
- turnon(flags, EDIT_HDRS);
- if (hfile)
- had_hfile = TRUE;
- if (add_headers(NULL_FILE, &ed_fp, 1, flags) == (long) -1)
- return -1;
- }
- if (Hfile) {
- (void) file_to_fp(Hfile, ed_fp, "r");
- Hfile = NULL;
- had_hfile = TRUE;
- }
- if (istool && isoff(flags, SEND_NOW))
- strdup(hfile, edfile);
-
- /* if flags call for it, include current message (with header?) */
- if (ison(flags, INCLUDE|FORWARD|INCLUDE_H)) {
- long copy_flgs = 0, is_forw = ison(flags, FORWARD);
- char buf[sizeof(To)];
- if (!is_forw) {
- turnon(copy_flgs, INDENT);
- if (ison(flags, INCLUDE_H) &&
- !chk_option("alwaysignore", "include"))
- turnon(copy_flgs, NO_IGNORE);
- else if (ison(flags, INCLUDE))
- turnon(copy_flgs, NO_HEADER);
- } else if (ison(flags, SEND_NOW) ||
- !chk_option("alwaysignore", "forward"))
- turnon(copy_flgs, FORWARD); /* FORWARD implies NO_IGNORE */
- #ifdef MSG_SEPARATOR
- turnon(copy_flgs, NO_SEPARATOR);
- #endif /* MSG_SEPARATOR */
- for (i = 0; i < msg_cnt; i++)
- if (msg_bit(list, i)) {
- if (is_forw && isoff(flags, SEND_NOW)) {
- (void) reply_to(i, FALSE, buf);
- (void) fprintf(ed_fp,"--- Forwarded mail from %s\n\n",buf);
- }
- wprint("%sing message %d ...",
- is_forw? "forward" : "includ", i+1);
- wprint("(%d lines)\n",
- copy_msg(i, ed_fp, (u_long) copy_flgs, NULL));
- set_isread(i); /* if we included it, we read it, right? */
- if (is_forw && isoff(flags, SEND_NOW))
- (void) fprintf(ed_fp,
- "\n--- End of forwarded message from %s\n", buf);
- if (!is_forw || isoff(flags, SEND_NOW))
- (void) fputc('\n', ed_fp);
- }
- (void) fflush(ed_fp);
- }
- if (!istool && ison(glob_flags, WARNING)) {
- if (escape && strncmp(escape, DEF_ESCAPE, 1))
- print("(escape character is set to `%c')\n", *escape);
- if (wrapcolumn && wrapcolumn < 20)
- print("(warning: wrapping only %d columns from the left!)\n",
- wrapcolumn);
- }
-
- /* do an "if" again in case editor not found and EDIT turned off */
- if (!istool && ison(flags, EDIT)) {
- char **argv, *edit;
- int argc;
- if ((!(edit = do_set(set_options, "visual")) || !*edit) &&
- (!(edit = do_set(set_options, "editor")) || !*edit))
- edit = DEF_EDITOR;
- (void) sprintf(line, "%s %s", edit, edfile);
- if ((argv = mk_argv(line, &argc, FALSE)) && argc > 0) {
- print("Starting \"%s\"...\n", argv[0]);
- (void) fclose(ed_fp);
- ed_fp = NULL_FILE;
- execute(argv);
- free_vec(argv);
- turnoff(flags, EDIT);
- turnoff(flags, FORWARD); /* forwarded messages must be unedited */
- /* upon exit of editor, user must now type eofc or "." to send */
- if (!(ed_fp = fopen(edfile, "r+"))) {
- error("can't reopen %s", edfile);
- return -1;
- }
- (void) fseek(ed_fp, 0L, 2);
- } else
- print("Unable to start \"%s\"\n", edit);
- wprint("(continue editing letter or ^%c to send)\n", eofc + '@');
- } else if (ison(flags, SEND_NOW)) {
- /* if finish_up_letter() was successful, file was successfully sent. */
- if (!setjmp(cntrl_c_buf) && finish_up_letter() == 0) {
- rm_edfile(0);
- return 0;
- }
- } else if (had_hfile) {
- /* it's not obvious what's going on -- enlighten user */
- wprint("(continue editing or ^%c to send)\n", eofc + '@');
- }
-
- #ifdef SUNTOOL
- if (istool) {
- /* toolmode doesn't care if SEND_NOW -- user continues to edit file.
- * if SEND_NOW is not set, then the editor file has just been started,
- * so again, just return so user can edit file.
- */
- if (ed_fp)
- fclose(ed_fp), ed_fp = NULL_FILE;
- turnon(glob_flags, IS_GETTING);
- return 0;
- }
- #endif /* SUNTOOL */
- if (ison(flags, SEND_NOW)) {
- /* editing couldn't have been on -- finish_up_letter() failed */
- rm_edfile(0 - ison(flags, FORWARD));
- return -1;
- }
-
- i = 0;
- turnon(glob_flags, IS_GETTING);
- do {
- /* If the user hits ^C in cbreak mode, mush will return to
- * Getstr and not clear the buffer. whatever is typed next will
- * be appended to the line. jumping here will force the line to
- * be cleared cuz it's a new call.
- */
- (void) setjmp(cntrl_c_buf);
- while (Getstr(line, sizeof(line), 0) > -1) {
- if (!istool) /* toolmode checks on a timer -- don't do it here */
- (void) check_new_mail(); /* if new mail comes in, get it */
- if ((i = add_to_letter(line)) <= 0)
- break;
- }
- } while (i >= 0 && finish_up_letter() == -1);
- turnoff(glob_flags, IS_GETTING);
- return i; /* return -1 if ~x or ~q to terminate letter */
- }
-
- char *tilde_commands[] = {
- "commands: [OPTIONAL argument]",
- "t [list]\tChange list of recipients",
- "s [subject]\tModify [set] subject header",
- "c [cc list]\tModify [set] carbon copy recipients",
- "b [bcc list]\tModify [set] blind carbon recipients",
- "h\t\tModify all message headers",
- "e [editor]\tEnter editor. Editor used: \"set editor\", env EDITOR, vi",
- "v [editor]\tEnter visual editor. \"set visual\", env VISUAL, vi",
- "u\t\tEdit previous (last) line in file.",
- "p [pager]\tPage message; pager used: \"set pager\", env. PAGER, more",
- "i [msg#'s]\tInclude current msg body [msg#'s] indented by \"indent_str\"",
- "I [msg#'s]\tSame, but include the message headers from included messages",
- "f [msg#'s]\tForward mail. Not indented, but marked as \"forwarded mail\"",
- "S[!]\t\tInclude Signature file [suppress file]",
- "F[!]\t\tAdd a fortune at end of letter [don't add]",
- "w file\t\tWrite msg buffer to file name",
- "a file\t\tAppend msg buffer to file name",
- "r file\t\tRead filename into message buffer",
- "q \t\tQuit message; save in dead.letter (unless \"nosave\" is set).",
- "x \t\tQuit message; don't save in dead.letter.",
- "$variable\tInsert the string value for \"variable\" into message.",
- ":cmd\t\tRun the mail command \"cmd\".",
- "|cmd\t\tPipe the message through the unix command \"cmd\".",
- "E[!]\t\tClear contents of letter after saving to dead.letter [unless !].",
- 0
- };
-
- /*
- * TC_EDIT(tc) returns TRUE if tilde_command[tc] involves message
- * editing operations. Used when EDIT_HDRS is active.
- */
- #define TC_EDIT(tc) ((tc) && ((tc) < 6 || !tilde_commands[(tc)+1]))
-
- /*
- * Add the line (char *) parameter to the letter. Determine tilde
- * escapes and determine what to do. This function returns 0 to
- * indicate user wants to end the letter, -1 if the letter cannot
- * be sent (~q, ~x no buffer after editor, etc...) or 1 to indicate
- * successful addition of the line to the letter.
- * This function may be called by toolmode just to change certain mush
- * internal variables via tilde escapes. Thus, ed_fp might be null.
- */
- add_to_letter(line)
- char line[];
- {
- register char *p;
- char buf[HDRSIZ > MAXPATHLEN ? HDRSIZ : MAXPATHLEN];
-
- killme = 0;
- if (ed_fp) /* may be null if istool */
- (void) fseek(ed_fp, 0L, 2);
-
- if (!strcmp(line, ".") && do_set(set_options, "dot"))
- return 0;
- if (line[0] != *escape) {
- (void) fputs(line, ed_fp);
- (void) fputc('\n', ed_fp);
- (void) fflush(ed_fp);
- return 1;
- }
- /* all commands are "~c" (where 'c' is the command). set p = first
- * character after 'c' and skip whitespace
- */
- p = &line[2];
- skipspaces(0);
- switch (line[1]) {
- case 'v' : case 'p': case 'e' : case '|' : {
- if (!*p || *p == 'i')
- switch (line[1]) {
- case 'p' :
- if (!*p && !(p = do_set(set_options, "pager")))
- p = DEF_PAGER;
- if (!*p || !strcmp(p, "internal"))
- p = NULL;
- when 'v' :
- if (*p && p[1] || (p = do_set(set_options, "visual")))
- break;
- /* else fall through */
- default :
- if (!(p = do_set(set_options, "editor")) || !*p)
- p = DEF_EDITOR;
- when '|' :
- print("No command for pipe\n");
- return 1;
- }
- if (line[1] == 'p' || line[1] == '|')
- rewind(ed_fp);
- if (line[1] == 'p') {
- (void) do_pager(p, TRUE); /* start the pager "p" */
- if (isoff(flags, EDIT_HDRS)) {
- (void) do_pager(sprintf(buf, "To: %s\n", To), FALSE);
- if (Subject[0])
- (void) do_pager(sprintf(buf, "Subject: %s\n", Subject),
- FALSE);
- if (Cc[0])
- (void) do_pager(sprintf(buf, "Cc: %s\n", Cc), FALSE);
- if (Bcc[0])
- (void) do_pager(sprintf(buf, "Bcc: %s\n", Bcc), FALSE);
- (void) do_pager(strcpy(buf,
- "--------\nMessage contains:\n"),
- FALSE);
- }
- while (fgets(buf, sizeof(buf), ed_fp))
- if (do_pager(buf, FALSE) == EOF)
- break;
- (void) do_pager(NULL, FALSE); /* end pager */
- } else if (line[1] == '|') {
- FILE *pipe_fp;
- (void) sprintf(buf, "( %s ) > %s", p, edfile);
- if (unlink(edfile) < 0) {
- error("Can't unlink %s:", edfile);
- break; /* Drop out of switch */
- }
- if ((pipe_fp = popen(buf, "w")) == NULL_FILE) {
- error("Can't run \"%s\":", p);
- (void) file_to_fp(edfile, ed_fp, "w");
- } else {
- while (fgets(buf, sizeof(buf), ed_fp))
- if (fputs(buf, pipe_fp) == EOF) {
- print("Broken pipe\n");
- break;
- }
- (void) pclose(pipe_fp);
- }
- pipe_fp = ed_fp; /* save ed_fp until we can reopen it */
- if (!(ed_fp = fopen(edfile, "r+"))) {
- error("can't reopen %s", edfile);
- (void) rewind(pipe_fp);
- if (file_to_fp(edfile, pipe_fp, "w") < 0 ||
- !(ed_fp = fopen(edfile, "r+"))) {
- error("can't restore old contents of %s", edfile);
- ed_fp = pipe_fp;
- dead_letter(0);
- return -1;
- }
- }
- (void) fclose(pipe_fp);
- } else {
- char **argv;
- int argc;
- (void) sprintf(buf, "%s %s", p, edfile);
- if ((argv = mk_argv(buf, &argc, FALSE)) && argc > 0) {
- (void) fclose(ed_fp);
- ed_fp = NULL_FILE;
- execute(argv);
- free_vec(argv);
- /* tool will return even tho editor isn't done */
- if (!(ed_fp = fopen(edfile, "r+"))) {
- error("can't reopen %s", edfile);
- return -1;
- }
- } else
- print("Unable to start \"%s\"\n", p);
- }
- }
- when '$': {
- register char *p2;
- if (!(p2 = do_set(set_options, p)))
- print("(%s isn't set)\n", p);
- else
- putstring(p2, ed_fp);
- }
- when ':': {
- char new[MAXMSGS_BITS];
- u_long save_flags = glob_flags;
-
- turnon(glob_flags, IGN_SIGS);
- turnoff(glob_flags, DO_PIPE);
- turnoff(glob_flags, IS_PIPE);
- (void) cmd_line(p, new);
- glob_flags = save_flags;
- }
- when 'i': case 'f': case 'I': case 'm': {
- int n;
- u_long copy_flgs = 0;
- char list[MAXMSGS_BITS];
-
- if (!msg_cnt) {
- wprint("No messages.\n");
- break;
- }
- clear_msg_list(list);
- if (line[1] != 'f') {
- turnon(copy_flgs, INDENT);
- if (line[1] == 'i')
- turnon(copy_flgs, NO_HEADER);
- else if (!chk_option("alwaysignore", "include"))
- turnon(copy_flgs, NO_IGNORE);
- } else if (!chk_option("alwaysignore", "forward"))
- turnon(copy_flgs, NO_IGNORE);
- #ifdef MSG_SEPARATOR
- turnon(copy_flgs, NO_SEPARATOR);
- #endif /* MSG_SEPARATOR */
- if (!*p)
- set_msg_bit(list, current_msg);
- else if (!do_range(p, list))
- return 1;
- for (n = 0; n < msg_cnt; n++)
- if (msg_bit(list, n)) {
- if (line[1] == 'f') {
- (void) reply_to(n, FALSE, buf);
- (void) fprintf(ed_fp,
- "--- Forwarded mail from %s\n\n", buf);
- }
- wprint("Including message %d ... ", n+1);
- wprint("(%d lines)\n", copy_msg(n, ed_fp, copy_flgs, NULL));
- set_isread(n);
- if (line[1] == 'f')
- (void) fprintf(ed_fp,
- "\n--- End of forwarded message from %s\n\n", buf);
- else
- (void) fputc('\n', ed_fp);
- }
- }
- /* To: Cc: and Bcc: headers */
- when 'b':
- case 't':
- case 'c': {
- char *h = (line[1] == 't')? To : (line[1] == 'c')? Cc : Bcc;
- char *Prompt = line[1] == 't'? "To: " :
- line[1] == 'c'? "Cc: " : "Bcc: ";
- if (ison(flags, EDIT_HDRS)) {
- print("You must use an editor to change your headers.\n");
- break;
- }
-
- if (*p) {
- fix_up_addr(p);
- if (*h)
- (void) sprintf(h+strlen(h), ", %s", p);
- else
- (void) strcpy(h, p);
- } else if (!(p = set_header(Prompt, h, TRUE)) || !*p)
- *h = 0;
- else {
- fix_up_addr(p);
- (void) strcpy(h, p);
- }
- }
- when 's':
- if (ison(flags, EDIT_HDRS)) {
- print("You must use an editor to change your headers.\n");
- break;
- }
- if (*p || (p = set_header("Subject: ", Subject, 1)))
- if (!*p)
- Subject[0] = 0;
- else
- (void) strcpy(Subject, p);
- when 'h':
- if (ison(flags, EDIT_HDRS)) {
- print("You must use an editor to change your headers.\n");
- break;
- }
- while ((p = set_header("To: ", To, 1)) && !*p)
- print("(There must be a recipient.)\n");
- (void) strcpy(To, p);
- if (p = set_header("Subject: ", Subject, 1))
- if (!*p)
- Subject[0] = 0;
- else
- (void) strcpy(Subject, p);
- if (p = set_header("Cc: ", Cc, 1))
- if (!*p)
- Cc[0] = 0;
- else {
- fix_up_addr(p);
- (void) strcpy(Cc, p);
- }
- if (p = set_header("Bcc: ", Bcc, 1))
- if (!*p)
- Bcc[0] = 0;
- else {
- fix_up_addr(p);
- (void) strcpy(Bcc, p);
- }
- when 'F': case 'S' : {
- if (*p == '!')
- turnoff(flags, line[1] == 'F'? DO_FORTUNE : SIGN);
- else
- turnon(flags, line[1] == 'F'? DO_FORTUNE : SIGN);
- wprint("%sadding %s at end of message.\n", *p == '!'? "not " : "",
- line[1] == 'F'? "fortune" : "signature");
- }
- when 'w': case 'a': case 'r':
- if (!*p) {
- print("(you must specify a filename)\n");
- return 1;
- }
- (void) fseek(ed_fp, 0L, 2); /* append */
- (void) file_to_fp(p, ed_fp, (line[1] == 'r')? "r":
- (line[1] == 'w')? "w": "a");
- /* go up one line in the message file and allow the user to edit it */
- when 'u': {
- long newpos, pos = ftell(ed_fp);
- char oldline[256];
- if (pos <= 0L) { /* pos could be -1 if ftell() failed */
- print("(No previous line in file.)\n");
- return 1;
- }
- /* get the last 256 bytes written and read backwards from the
- * current place until '\n' is found. Start by moving past the
- * first \n which is at the end of the line we want to edit
- */
- newpos = max(0, pos - 256L);
- (void) fseek(ed_fp, newpos, L_SET);
- /* don't fgets -- it'll stop at a \n */
- (void) fread(line, sizeof(char), (int)(pos-newpos), ed_fp);
- pos--;
- /* the last char in line should be a \n cuz it was last input */
- if (line[(int)(pos-newpos)] != '\n')
- print("I don't know how, but your last line ended with %c.\n",
- line[(int)(pos-newpos)]);
- else
- line[(int)(pos-newpos)] = 0; /* null terminate \n for ^H-ing */
- for (pos--; pos > newpos && line[(int)(pos-newpos)] != '\n'; pos--)
- ;
- /* we've gone back to the end of the second previous line. Check
- * to see if the char we're pointing to is a \n. It should be, but
- * if it's not, we moved back to the first line of the file.
- */
- if (line[(int)(pos-newpos)] == '\n')
- ++pos;
- /* save the old line that's there in case the user boo-boos */
- (void) strcpy(oldline, &line[(int)(pos-newpos)]);
- /* let set header print out the line and get the input */
- if (!(p = set_header("", &line[(int)(pos-newpos)], TRUE))) {
- print("Something bad happened and I don't know what it is.\n");
- p = oldline;
- } else if (*p == *escape)
- print("(Warning: %c escapes ignored on %cu lines.)\n",
- *escape, *escape);
- /* seek to to the position where the new line will go */
- (void) fseek(ed_fp, pos, L_SET);
- /* put the newly typed line */
- (void) fputs(p, ed_fp); /* don't add \n. padding may be necessary */
- /* if the new line is less than the old line, we're going to do
- * one of two things. The best thing to do is to truncate the
- * file to the end of the new line. Sys-v can't do that, so we
- * pad the line with blanks. May be messy in some cases, but...
- */
- if ((pos = strlen(p) - strlen(oldline)) < 0) {
- #ifndef SYSV
- /* add the \n, flush the file, truncate to the current pos */
- (void) fputc('\n', ed_fp);
- (void) fflush(ed_fp);
- (void) ftruncate(fileno(ed_fp), (off_t) ftell(ed_fp));
- #else /* SYSV */
- /* pad with blanks to the length of the old line. add \n */
- while (pos++ < 0)
- (void) fputc(' ', ed_fp);
- (void) fputc('\n', ed_fp), (void) fflush(ed_fp);
- #endif /* SYSV */
- } else {
- /* the new line is >= the old line, add \n -- no trunc req. */
- (void) fputc('\n', ed_fp);
- (void) fflush(ed_fp);
- }
- return 1;
- }
- /* break; not here cuz of "return" (lint). */
- case 'E':
- if (ison(flags, EDIT_HDRS)) {
- print("You must use an editor to empty the message buffer.\n");
- break;
- }
- if (*p != '!' && !do_set(set_options, "nosave"))
- dead_letter(0);
- if (emptyfile(&ed_fp, edfile) == -1)
- error(edfile);
- else
- print("Message buffer empty\n");
- when 'q':
- /* save in dead.letter if nosave not set -- rm_edfile(-2). */
- rm_edfile(-2); /* doesn't return out of tool mode */
- return -1;
- /* break; not stated cuz of "return" (lint) */
- case 'x':
- /* don't save dead.letter -- simulate normal rm_edfile() call */
- rm_edfile(0);
- return -1;
- /* break; (not specified for lint) */
- default:
- if (line[1] == *escape) {
- (void) fputs(&line[1], ed_fp);
- (void) fputc('\n', ed_fp);
- (void) fflush(ed_fp);
- return 1;
- } else if (line[1] == '?') {
- register int x;
- (void) do_pager(NULL, TRUE); /* start pager */
- for (x = 0; tilde_commands[x]; x++) {
- if (ison(flags, EDIT_HDRS) && TC_EDIT(x))
- continue;
- (void) sprintf(buf, "%s%s\n", escape, tilde_commands[x]);
- if (do_pager(buf, FALSE) == EOF)
- break;
- }
- if (tilde_commands[x] == NULL) {
- (void) sprintf(buf,
- "%s%s\t\tBegin a line with a single %s\n",
- escape, escape, escape);
- (void) do_pager(buf, FALSE);
- }
- (void) do_pager(NULL, FALSE); /* end pager */
- } else
- print("`%c': unknown %c escape. Use %c? for help.\n",
- line[1], *escape, *escape);
- return 1;
- }
- if (ed_fp)
- (void) fseek(ed_fp, 0L, 2);
- if (!istool)
- wprint("(continue editing letter)\n");
- return 1;
- }
-
- /*
- * finish up the letter. ask for the cc line, if verify is set, ask to
- * verify sending, continue editing, or to dump the whole idea.
- * Then check for signature and fortune. Finally, pass it to send_it()
- * to actually send it off.
- * Return 0 on success, -1 on failure.
- */
- static int
- finish_up_letter()
- {
- register char *p;
- int c;
- char buf[MAXPATHLEN];
-
- /* forwarded mail has no additional personalized text */
- if (ison(flags, FORWARD)) {
- if (send_it() == -1) {
- wprint("Message not sent!\n");
- return -1;
- }
- turnoff(glob_flags, IS_GETTING);
- return 0;
- }
-
- /* REDIRECT should never be on here, but just in case */
- if (isoff(glob_flags, REDIRECT)) {
- if (!istool) {
- if (isoff(flags, EDIT_HDRS) && do_set(set_options, "askcc")) {
- if (p = set_header("Cc: ", Cc, 1))
- (void) strcpy(Cc, p);
- }
- }
- /* ~v on the Cc line asks for verification, first initialize p! */
- p = NULL;
- if (!strncmp(Cc, "~v", 2) || (p = do_set(set_options, "verify"))) {
- if (!p) /* so we don't Cc to ~v! */
- *Cc = 0;
- for (;;) {
- #ifdef SUNTOOL
- if (istool)
- c = (ask("Send Message?") == TRUE)? 's' : 'c';
- else
- #endif /* SUNTOOL */
- {
- print("send, continue editing, discard [s,c,d]? ");
- c = Getstr(buf, sizeof(buf), 0);
- if (c < 0)
- putchar('\n');
- else if (!istool)
- c = lower(*buf);
- }
- if (c == 'd') {
- rm_edfile(-2);
- return 0;
- } else if (c == 'c') {
- wprint("(continue editing letter)\n");
- return -1;
- } else if (c == 's')
- break;
- }
- }
- }
-
- if (send_it() == -1) {
- if (isoff(flags, SEND_NOW))
- wprint("(continue)\n");
- return -1;
- }
- return 0;
- }
-
- /*
- * actually send the letter.
- * 1. reset all the signals because of fork.
- * 2. determine recipients (users, address, files, programs)
- * 3. determine mailer, fork and return (if not verbose).
- * 4. popen mailer, $record, and other files specified in step 1.
- * 5. make the headers; this includes To: line, and user set headers, etc...
- * 6. copy the letter right into the array of file pointers (step 1).
- * 7. close the mailer and other files (step 1) and remove the edit-file.
- * return -1 if mail wasn't sent. could be user error, could be the system.
- * allow user to try again or to save message to file and abort message.
- * return 0 if successful.
- */
- static int
- send_it()
- {
- register char *p, *b, *addr_list;
- #ifdef MAXFILES
- register int size = MAXFILES - 1;
- FILE *files[MAXFILES];
- char *names[MAXFILES];
- #else
- register int size = getdtablesize() - 1;
- FILE *files[30]; /* 30 should be sufficiently large enough */
- char *names[30];
- #endif /* MAXFILES */
- #if defined(VERBOSE_ARG) && !defined(SUNTOOL)
- SIGRET (*oldchld)();
- #endif /* VERBOSE_ARG && !SUNTOOL */
- int next_file = 1; /* reserve files[0] for the mail delivery program */
- int log_file = -1; /* the index into the files array for mail logging */
- char buf[3*HDRSIZ];
- char *orig_to, *orig_cc, *orig_bcc; /* save originals to restore on error */
- char expand = !do_set(set_options, "no_expand");
- int fork_err = 0;
-
- names[0] = names[1] = NULL; /* for free_vec() */
- /* If edit_hdrs, make sure the correct headers exist and are intact
- * before bothering to continue.
- */
- if (ison(flags, EDIT_HDRS)) {
- /* fool header_field into thinking that the file is the folder */
- FILE *save_tmpf = tmpf;
- long old_offset = msg[msg_cnt].m_offset;
-
- if (!ed_fp) {
- wprint("No file for headers!\n");
- return -1;
- }
- Debug("Getting headers from file ... ");
-
- tmpf = ed_fp;
- msg[msg_cnt].m_offset = 0L;
- if (p = header_field(msg_cnt, "to")) {
- (void) strcpy(To, p);
- Cc[0] = Bcc[0] = 0;
- if (p = header_field(msg_cnt, "cc"))
- (void) strcpy(Cc, p);
- if (p = header_field(msg_cnt, "bcc"))
- (void) strcpy(Bcc, p);
- if (p = header_field(msg_cnt, "fcc"))
- next_file += find_files(p, names+next_file, size-next_file, 1);
- } else
- *To = 0; /* Error caught below */
- msg[msg_cnt].m_offset = old_offset;
- tmpf = save_tmpf;
- Debug("\n");
- }
- if (!*To) {
- wprint("You must have a To: recipient to send mail.\n");
- if (!istool) {
- (void) signal(SIGINT, oldint);
- (void) signal(SIGQUIT, oldquit);
- (void) signal(SIGTERM, oldterm);
- }
- free_vec(&names[1]);
- return -1;
- }
-
- if (!(p = do_set(set_options, "sendmail")))
- p = MAIL_DELIVERY;
-
- #ifdef VERBOSE_ARG
- if (ison(flags, VERBOSE) || do_set(set_options, "verbose")) {
- turnon(flags, VERBOSE); /* prevent fork when "verbose" has changed */
- #ifndef SUNTOOL
- oldchld = signal(SIGCHLD, SIG_DFL); /* let pclose() do the wait() */
- #endif /* SUNTOOL */
- #ifdef MMDF
- b = &buf[strlen(sprintf(buf, "%s%s", p, VERBOSE_ARG))];
- #else /* MMDF */
- b = &buf[strlen(sprintf(buf, "%s %s", p, VERBOSE_ARG))];
- #endif /* MMDF */
- } else
- #endif /* VERBOSE_ARG */
- b = buf + Strcpy(buf, p);
- #ifdef METOO_ARG
- if (!strcmp(p, MAIL_DELIVERY) && do_set(set_options, "metoo"))
- b += strlen(sprintf(b, " %s", METOO_ARG));
- #endif /* METOO_ARG */
- *b++ = ' ', *b = 0; /* strcat(b, " "); */
- addr_list = b; /* save this position to check for addresses later */
-
- /* save original list. If alias expansion fails, replace address lists
- * with what was originally typed so user can fix it. This isn't necessary
- * if the lists are already in the file the user is editing (edit_hdrs).
- */
- if (isoff(flags, EDIT_HDRS))
- orig_to = savestr(To);
- /*
- * Build the address lines to give to the mail transfer system. This
- * address line cannot contain comment fields! First, expand aliases
- * since they may contain comment fields within addresses. Copy this
- * result back into the Buffer since this will go into the header ...
- * Next, remove all comments so the buffer contains ONLY valid addresses.
- * Next, strip off any filenames/programs which might occur in the list.
- * Finally, add this information to the command line buffer (buf).
- * Remove commas if necessary (see ifdefs). In the event of errors,
- * force a dead letter by rm_edfile(-1).
- */
- if (!(p = alias_to_address(To))) {
- print("address expansion failed for To: list.\n");
- free_vec(&names[1]);
- if (isoff(flags, EDIT_HDRS))
- strcpy(To, orig_to), xfree(orig_to);
- return -1;
- } else {
- next_file += find_files(p, names+next_file, size-next_file, 0);
- if (expand)
- (void) strcpy(To, p);
- rm_cmts_in_addr(p);
- skipspaces(0);
- b += Strcpy(b, p);
- }
- if (isoff(flags, EDIT_HDRS))
- orig_cc = savestr(Cc);
- if (*Cc) {
- if (!(p = alias_to_address(Cc))) {
- wprint("address expansion failed for Cc: list.\n");
- free_vec(&names[1]);
- if (isoff(flags, EDIT_HDRS)) {
- strcpy(To, orig_to), xfree(orig_to);
- strcpy(Cc, orig_cc), xfree(orig_cc);
- }
- return -1;
- } else {
- next_file += find_files(p, names+next_file, size-next_file, 0);
- if (expand)
- (void) strcpy(Cc, p);
- rm_cmts_in_addr(p);
- skipspaces(0);
- if (*p) {
- *b++ = ',', *b++ = ' ';
- b += Strcpy(b, p);
- }
- }
- }
-
- /* expand Bcc addrs, but don't add to list yet. sign letter first */
- if (isoff(flags, EDIT_HDRS))
- orig_bcc = savestr(Bcc);
- if (*Bcc) {
- if (p = alias_to_address(Bcc))
- p = strcpy(Bcc, p);
- else {
- wprint("address expansion failed for Bcc: list.\n");
- free_vec(&names[1]);
- /* rm_edfile(-1); */
- if (isoff(flags, EDIT_HDRS)) {
- strcpy(To, orig_to), xfree(orig_to);
- strcpy(Cc, orig_cc), xfree(orig_cc);
- strcpy(Bcc, orig_bcc), xfree(orig_bcc);
- }
- return -1;
- }
- } else
- p = NULL;
-
- /* Sign the letter before adding the Bcc list since they aren't
- * considered when adding a signature.
- */
- if (*addr_list && ison(flags, SIGN|DO_FORTUNE) &&
- isoff(glob_flags, REDIRECT) && isoff(flags, FORWARD))
- sign_letter(addr_list, flags, ed_fp);
-
- if (p) { /* p still points to expanded Bcc list */
- next_file += find_files(p, names+next_file, size-next_file, 0);
- rm_cmts_in_addr(p);
- skipspaces(0);
- if (*p) {
- *b++ = ',', *b++ = ' ';
- b += Strcpy(b, p);
- }
- }
- if (!*addr_list && next_file == 1) {
- wprint("There must be at least 1 legal recipient.\n");
- if (isoff(flags, EDIT_HDRS)) {
- strcpy(To, orig_to), xfree(orig_to);
- strcpy(Cc, orig_cc), xfree(orig_cc);
- strcpy(Bcc, orig_bcc), xfree(orig_bcc);
- }
- return -1;
- }
-
- #ifdef NO_COMMAS
- for (p = buf; p = index(p, ','); p++)
- *p = ' ';
- #endif /* NO_COMMAS */
-
- Debug("mail command: %s\n", buf);
-
- if (isoff(flags, VERBOSE) && debug < 3)
- switch (fork()) {
- case 0: /* the child will send the letter. ignore signals */
- #ifdef SYSV
- if (setpgrp() == -1)
- #else /* SYSV */
- if (setpgrp(0, getpid()) == -1)
- #endif /* SYSV */
- error("setpgrp");
- #ifndef SUNTOOL
- (void) signal(SIGCHLD, SIG_DFL);
- (void) signal(SIGTERM, SIG_IGN);
- #endif /* SUNTOOL */
- (void) signal(SIGINT, SIG_IGN);
- (void) signal(SIGHUP, SIG_IGN);
- (void) signal(SIGQUIT, SIG_IGN);
- #ifdef SIGTTIN
- (void) signal(SIGTTOU, SIG_IGN);
- (void) signal(SIGTTIN, SIG_IGN);
- #endif /* SIGTTIN */
- #ifdef SIGCONT
- (void) signal(SIGCONT, SIG_IGN);
- (void) signal(SIGTSTP, SIG_IGN);
- #endif /* SIGCONT */
- turnon(glob_flags, IGN_SIGS);
- when -1:
- error("fork failed trying to send mail");
- fork_err++;
- if (isoff(flags, EDIT_HDRS)) {
- strcpy(To, orig_to);
- strcpy(Cc, orig_cc);
- strcpy(Bcc, orig_bcc);
- }
- /* fall thru */
- default:
- /* istool doesn't need ed_fp, so don't keep it around */
- if (istool || !fork_err && isoff(glob_flags, REDIRECT))
- (void) fclose(ed_fp), ed_fp = NULL_FILE;
- free_vec(&names[1]);
- if (isoff(flags, EDIT_HDRS))
- xfree(orig_to), xfree(orig_cc), xfree(orig_bcc);
- if (!istool) {
- (void) signal(SIGINT, oldint);
- (void) signal(SIGQUIT, oldquit);
- (void) signal(SIGTERM, oldterm);
- }
- return 0 - fork_err;
- }
-
-
- #ifdef MMDF
- *(addr_list-1) = '\0';
- #endif /* MMDF */
- if (debug > 2) {
- files[0] = stdout;
- if (!*addr_list)
- addr_list = "[no recipients]";
- } else if (*addr_list) {
- if (!(files[0] = open_file(buf, TRUE, FALSE))) {
- rm_edfile(-1); /* force saving of undeliverable mail */
- if (isoff(flags, VERBOSE) && debug < 3)
- exit(-1);
- else
- return 0;
- }
- } else
- files[0] = NULL_FILE;
-
- if (ison(flags, VERBOSE))
- wprint("Sending letter ... "), (void) fflush(stdout);
- #ifdef MMDF
- /* give address list to submit */
- for (p = addr_list; *p && (p = any(p, ",<")); p++)
- if (*p == ',')
- *p = '\n';
- else
- p = index(p, '>');
- if (*addr_list)
- (void) fprintf(files[0], "%s\n\n", addr_list);
- #endif /* MMDF */
-
- /* see if log is set. This is just to add message headers. No msg body. */
- if (p = do_set(set_options, "logfile")) {
- if (!*p)
- p = "~/mail.log";
- if (!index("~|/+", *p))
- (void) sprintf(buf, "%s/%s", do_set(set_options, "cwd"), p);
- else
- (void) strcpy(buf, p);
- log_file = next_file;
- next_file += find_files(buf, names+next_file, size-next_file, 0);
- if (log_file == next_file)
- log_file = -1;
- }
-
- /* see if record is set. If so, open that file for appending and add
- * the letter in a format such that mail can be read from it
- */
- if (p = do_set(set_options, "record")) {
- if (!*p)
- p = "~/record";
- if (!index("~|/+", *p))
- (void) sprintf(buf, "%s/%s", do_set(set_options, "cwd"), p);
- else
- (void) strcpy(buf, p);
- next_file += find_files(buf, names+next_file, size-next_file, 0);
- }
-
- /* Don't need to open names[0] as files[0], so skip those */
- next_file = 1 + open_list(names + 1, files + 1, next_file - 1);
-
- /* First, put the message separator in... */
- for (size = 1; size < next_file; size++)
- #ifndef MSG_SEPARATOR
- {
- time_t t;
- (void) time(&t);
- (void) fprintf(files[size], "From %s %s", login, ctime(&t));
- }
- #else /* MSG_SEPARATOR */
- #ifdef MMDF
- (void) fputs(MSG_SEPARATOR, files[size]);
- #else /* MMDF */
- (void) fprintf(files[size], "%s\n", MSG_SEPARATOR);
- #endif /* MMDF */
- #endif /* MSG_SEPARATOR */
-
- /* if redirection, ed_fp = stdin, else rewind the file just made */
- if (isoff(glob_flags, REDIRECT))
- rewind(ed_fp);
- else
- ed_fp = stdin;
-
- #ifndef MSG_SEPARATOR
- /* If forwarding or reading a draft, skip the leading From_ line.
- * This is done for drafts so that messages saved by dead_letter()
- * can be read back in as a draft; in other cases, this isn't done
- * for edit_hdrs because FORWARD wouldn't be set.
- */
- if (ison(flags, FORWARD|SEND_NOW) && fgets(buf, sizeof buf, ed_fp) &&
- strncmp(buf, "From ", 5) != 0)
- rewind(ed_fp); /* No From_ line (should never happen) */
- #endif /* MSG_SEPARATOR */
- {
- long offset = add_headers(ed_fp, files, next_file, flags);
- if (offset == -1)
- offset = 0L;
- (void) fseek(ed_fp, offset, L_SET);
- }
-
- /* Read from stdin or the edfile till EOF and send it all to the mailer
- * and other open files/folders/programs. Check for "From " at the
- * beginnings of these lines to prevent creating new messages in folders.
- */
- while (fgets(buf, sizeof buf, ed_fp))
- for (size = 0; size < next_file; size++) {
- if (!files[size]) /* files[0] will be NULL if not calling MTA */
- continue;
- if (size == log_file)
- continue;
- #ifndef MSG_SEPARATOR
- if (!strncmp(buf, "From ", 5))
- (void) fputc('>', files[size]);
- #endif /* MSG_SEPARATOR */
- if (fputs(buf, files[size]) == EOF) {
- if (size == 0) {
- error("Lost connection to MTA");
- dead_letter(-1);
- break;
- } else {
- /* Drop this file, but continue writing others */
- if (names[size]) {
- error("Write failed: %s", names[size]);
- (void) close_lock(names[size], files[size]);
- xfree(names[size]);
- } else
- error("Write failed");
- if (size < --next_file) {
- names[size] = names[next_file];
- files[size--] = files[next_file];
- }
- files[next_file] = NULL_FILE;
- names[next_file] = NULL;
- }
- }
- }
-
- /* loop thru the open files (except for the first: the mail delivery agent)
- * and append a blank line so that ucb-mail can read these folders.
- * Then close the files.
- */
- for (size = 1; size < next_file; size++) {
- #ifdef END_MSG_SEP
- (void) fputs(END_MSG_SEP, files[size]);
- #endif /* END_MSG_SEP */
- if (names[size]) {
- #ifndef END_MSG_SEP
- (void) fputc('\n', files[size]);
- #endif /* !END_MSG_SEP */
- if (close_lock(names[size], files[size]) == EOF) {
- error("Warning: Close failed: %s", names[size]);
- }
- xfree(names[size]);
- } else {
- if (debug < 3)
- (void) fclose(files[size]); /* Don't mess with pclose() */
- else
- (void) pclose(files[size]); /* unless we never forked */
- }
- }
-
- if (debug < 3) {
- int reply_code = files[0]? pclose(files[0]) : (MTA_EXIT << 8);
- Debug("pclose reply_code = %d\n", reply_code);
- rm_edfile((reply_code == (MTA_EXIT << 8))? 0 : -1);
- } else
- rm_edfile(0);
-
- #ifndef SUNTOOL
- #ifdef VERBOSE_ARG
- if (ison(flags, VERBOSE))
- (void) signal(SIGCHLD, oldchld);
- #endif /* VERBOSE_ARG */
- #endif /* SUNTOOL */
-
- if (ison(flags, VERBOSE) || debug > 2) {
- if (isoff(glob_flags, REDIRECT))
- wprint("sent.\n");
- if (!istool) {
- (void) signal(SIGINT, oldint);
- (void) signal(SIGQUIT, oldquit);
- (void) signal(SIGTERM, oldterm);
- }
- } else
- exit(0); /* not a user exit -- a child exit */
- return 0;
- }
-
- /*
- * Add the necessary headers to make a file a legitimate mail message.
- * This could be for a file which the user will edit (via edit_hdrs) or
- * for delivery to an MTA.
- * Make folders conform to RFC-822 by adding From: and Date: headers.
- * Prefix certain header with the "Resent-" prefix when forwarding.
- * Return offset of fp if we're parsing it for headers (for delivery to MTA).
- */
- static long
- add_headers(fp, files, size, flags)
- FILE *fp, *files[];
- int size;
- u_long flags;
- {
- char buf[BUFSIZ], From_buf[256], *pF = From_buf, date_str[64];
- char *host = NULL, *p, *subj = NULL, *own_from = NULL; /* See WARNING */
- int i, for_editor = (fp == NULL_FILE);
- int got_date = for_editor, got_from = for_editor;
- struct options *opts;
-
- if (for_editor && hfile) {
- i = file_to_fp(hfile, files[0], "r");
- xfree(hfile), hfile = NULL;
- return (i < 0 ? -1 : TRUE);
- }
-
- buf[0] = 0;
- if (ourname)
- host = ourname[0];
- if (for_editor)
- turnoff(flags,FORWARD); /* forwarded messages must not be edited */
-
- /* [Re]create a From: header -- check first to see if the user has
- * created a From: header with the my_hdr command (the own_hdrs list).
- * If his is not legitimate, warn user and use the other header.
- */
- if ((for_editor || isoff(glob_flags, EDIT_HDRS)) &&
- own_hdrs && !do_set(set_options, "no_hdrs")) {
- for (opts = own_hdrs; opts; opts = opts->next)
- if (!strcmp(opts->option, "From:")) {
- p = opts->value;
- skipspaces(0);
- sprintf(buf, "%sFrom: %s\n",
- ison(flags, FORWARD)? "Resent-" : "", p);
- own_from = buf;
- /* WARNING: the above depends on the following facts:
- * 1. If for_editor, own_from will be output immediately,
- * so buf will not be overwritten;
- * 2. If !for_editor but EDIT_HDRS, the "real" from line
- * will be read from the file so own_from isn't needed;
- * 3. If neither, From: is the first line output, so
- * buf will not be overwritten.
- * Any change in the above means a new buffer for own_from
- * may be needed. Check carefully.
- */
- }
- }
- if (ison(flags, FORWARD))
- pF += Strcpy(From_buf, "Resent-");
- pF += Strcpy(pF, "From: ");
- #ifdef UUCP
- if (host && *host)
- pF += strlen(sprintf(pF, "%s!", host));
- #endif /* UUCP */
- pF += Strcpy(pF, login);
- #ifndef UUCP
- if (host && *host)
- pF += strlen(sprintf(pF, "@%s", host));
- #endif /* UUCP */
- if ((p = do_set(set_options, "realname")) ||
- (p = do_set(set_options, "name")))
- pF += strlen(sprintf(pF, " (%s)", p));
- *pF++ = '\n', *pF++ = 0;
-
- /* First print From, Date, In-Reply-To */
- for (i = 0; i < size; i++) {
- if (!files[i])
- continue;
- if (for_editor)
- if (own_from)
- (void) fputs(own_from, files[i]), *own_from = 0;
- else
- (void) fputs(From_buf, files[i]);
- else if (isoff(flags, EDIT_HDRS)) {
- #ifdef PICKY_MAILER
- if (i > 0)
- #endif /* PICKY_MAILER */
- if (own_from)
- (void) fputs(own_from, files[i]), *own_from = 0;
- else
- (void) fputs(From_buf, files[i]);
- got_from = TRUE;
- }
- if (for_editor || isoff(flags, EDIT_HDRS)) {
- #ifdef PICKY_MAILER
- if (i > 0 && !for_editor)
- #endif /* PICKY_MAILER */
- (void) fprintf(files[i], "%sDate: %s\n",
- ison(flags, FORWARD) ? "Resent-" : "", rfc_date(date_str));
- got_date = TRUE;
- if (*in_reply_to)
- fprintf(files[i], "In-Reply-To: %s\n", in_reply_to);
- }
- }
- /* next print user's own message headers */
- if (for_editor || isoff(flags, EDIT_HDRS))
- if (own_hdrs && !do_set(set_options, "no_hdrs")) {
- for (opts = own_hdrs; opts; opts = opts->next) {
- if (!strcmp(opts->option, "From:"))
- continue;
- for (i = 0; i < size; i++) {
- if (!files[i])
- continue;
- p = opts->value;
- skipspaces(0);
- fprintf(files[i], "%s %s\n", opts->option, p);
- }
- }
- }
-
- /*
- * Now either prepare to put the rest of the headers into the file
- * or (when sending edited headers) copy them back out of the file
- */
- if (for_editor) {
- char *orig = NULL;
- /* for edit_hdrs, print the headers followed by a blank line */
- if (To[0]) {
- orig = savestr(To);
- if (!(p = alias_to_address(To))) {
- wprint("To: list unmodified.\n");
- p = orig;
- }
- (void) strcpy(To, p);
- }
- if (Cc[0]) {
- strdup(orig, Cc);
- if (!(p = alias_to_address(Cc))) {
- wprint("Cc: list unmodified.\n");
- p = orig;
- }
- (void) strcpy(Cc, p);
- }
- if (Bcc[0]) {
- strdup(orig, Bcc);
- if (!(p = alias_to_address(Bcc))) {
- wprint("Bcc: list unmodified.\n");
- p = orig;
- }
- (void) strcpy(Bcc, p);
- }
- xfree(orig);
- } else if (ison(flags, EDIT_HDRS)) {
- /* copy the headers of the message removing special headers */
- int print_hdr = FALSE;
- if (isoff(flags, SEND_NOW))
- rewind(fp); /* Drafts may have had fp positioned */
- while (fgets(buf, sizeof(buf), fp)) {
- (void) no_newln(buf);
- if (!buf[0])
- break;
- /* if the first char is NOT a space, it MUST be a new header.
- * Otherwise, it is considered part of the message body.
- */
- if (!isspace(buf[0])) {
- print_hdr = TRUE;
- if (!(p = any(buf, " \t:")) || isspace(*p))
- break; /* this is not a legitimate header */
- skipspaces(1);
- if (!*p)
- print_hdr = FALSE; /* blank headers are not allowed */
- p = buf;
- if (!lcase_strncmp(buf, "resent-", 7)) {
- if (ison(flags, EDIT_HDRS))
- wprint("You can't use \"Resent-\" headers in edited messages.\n");
- p += 7;
- }
- if (!lcase_strncmp(p, "to:", 3) ||
- !lcase_strncmp(p, "cc:", 3) ||
- !lcase_strncmp(p, "bcc:", 4) ||
- !lcase_strncmp(p, "fcc:", 4) ||
- !lcase_strncmp(p, "x-mailer:", 9) ||
- !lcase_strncmp(p, "status:", 7))
- print_hdr = FALSE;
- else if (!lcase_strncmp(p, "date:", 5))
- if (got_date)
- wprint("You can't change or add date headers.\n");
- else {
- got_date = TRUE;
- (void) sprintf(buf, "Date: %s", rfc_date(date_str));
- p = buf;
- }
- else if (!lcase_strncmp(p, "subject:", 8))
- (print_hdr = FALSE), strdup(subj, p);
- else if (!lcase_strncmp(p, "from:", 5)) {
- char not_me[BUFSIZ];
- (void) strcpy(not_me, buf + 5);
- take_me_off(not_me);
- if (*not_me) {
- /* Ignore bogus From: if we have a good one */
- if (got_from)
- print_hdr = FALSE;
- /* otherwise, output a good one */
- else {
- (void) strcpy(buf, From_buf);
- (void) no_newln(buf);
- }
- }
- got_from = TRUE;
- #ifdef PICKY_MAILER
- /* don't send From: to mta -- fool "for loop" below
- * by initializing the loop at files[1], not files[0]
- */
- if (!for_editor)
- print_hdr = 2;
- #endif /* PICKY_MAILER */
- }
- }
- if (print_hdr)
- /* print_hdr may be 2 for From: header */
- for (i = print_hdr-1; i < size; i++)
- if (files[i]) {
- (void) fputs(buf, files[i]);
- (void) fputc('\n', files[i]);
- }
- }
- }
- /* Finally, do the required (or changed) headers (Date, To, Cc) */
- (void) wrap_addrs(To, 80);
- (void) wrap_addrs(Cc, 80);
- (void) wrap_addrs(Bcc, 80);
- for (i = 0; i < size; i++) {
- if (!files[i])
- continue;
- #ifdef PICKY_MAILER
- if (i > 0) {
- #endif /* PICKY_MAILER */
- if (!got_from)
- if (own_from)
- (void) fputs(own_from, files[i]);
- else
- (void) fputs(From_buf, files[i]);
- if (!got_date)
- (void) fprintf(files[i], "%sDate: %s\n",
- ison(flags, FORWARD) ? "Resent-" : "", rfc_date(date_str));
- #ifdef PICKY_MAILER
- }
- #endif /* PICKY_MAILER */
- (void) fprintf(files[i], "X-Mailer: %s\n", check_internal("version"));
- (void) fprintf(files[i], "%sTo: %s\n",
- ison(flags, FORWARD) ? "Resent-" : "", To);
- if (for_editor || isoff(flags, EDIT_HDRS)) {
- if (isoff(flags, FORWARD) &&
- (*Subject || for_editor && (do_set(set_options, "ask") ||
- do_set(set_options, "asksub"))))
- (void) fprintf(files[i], "Subject: %s\n", Subject);
- } else if (subj && *subj && strlen(subj) > 9)
- (void) (fputs(subj, files[i]), fputc('\n', files[i]));
- if (*Cc || for_editor && do_set(set_options, "askcc"))
- (void) fprintf(files[i], "%sCc: %s\n",
- ison(flags, FORWARD) ? "Resent-" : "", Cc);
- if (i > 0 || for_editor)
- /* Do not send these to mail transfer agent */
- if (*Bcc)
- (void) fprintf(files[i], "%sBcc: %s\n",
- ison(flags, FORWARD) ? "Resent-" : "", Bcc);
- if (i > 0)
- (void) fprintf(files[i], "Status: OR\n");
- }
- for (i = 0; i < size; i++)
- if (files[i])
- (void) fflush(files[i]);
- if (buf[0]) /* last attempted header read was a line of msg text */
- for (i = 0; i < size; i++) {
- if (files[i]) {
- (void) fputs(buf, files[i]);
- (void) fputc('\n', files[i]);
- (void) fflush(files[i]);
- }
- }
- else
- if (isoff(flags, FORWARD))
- for (i = 0; i < size; i++)
- if (files[i]) {
- (void) fputc('\n', files[i]);
- (void) fflush(files[i]);
- }
- return fp? ftell(fp) : (long)TRUE;
- }
-
- /* ARGSUSED */
- SIGRET
- rm_edfile(sig)
- {
- if (sig > 0) {
- char *fix;
- if (ison(glob_flags, IGN_SIGS))
- return;
- /* wrapcolumn may have been trashed -- restore it */
- if ((fix = do_set(set_options, "wrapcolumn")) && *fix)
- wrapcolumn = atoi(fix);
- mac_flush(); /* abort pending macros */
- }
- /* now check whether we should abort the letter */
- if (sig > 0 && !killme && ison(glob_flags, IS_GETTING)) {
- if (!istool)
- (void) signal(sig, rm_edfile);
- killme = 1;
- print("\n** interrupt -- one more to kill letter **\n");
- longjmp(cntrl_c_buf, 1);
- }
- killme = 0;
- /* if sig == -1, force a save into dead.letter.
- * else, check for nosave not being set and save anyway if it's not set
- * sig == 0 indicates normal exit (or ~x), so don't save a dead letter.
- */
- if (sig == -1 || sig != 0 && !do_set(set_options, "nosave"))
- dead_letter(sig);
- if (isoff(glob_flags, REDIRECT) && ed_fp) /* ed_fp may be null in toolmode*/
- (void) fclose(ed_fp), ed_fp = NULL_FILE;
- (void) unlink(edfile);
-
- turnoff(glob_flags, IS_GETTING);
- if (sig == -1)
- return;
-
- if (sig == SIGHUP)
- cleanup(0);
- if (!istool) {
- (void) signal(SIGINT, oldint);
- (void) signal(SIGQUIT, oldquit);
- (void) signal(SIGTERM, oldterm);
- }
-
- if (sig == 0 || sig == -2 || istool) /* make sure sigchld is reset first */
- return;
-
- if (isoff(glob_flags, DO_SHELL)) { /* If we're not in a shell, exit */
- puts("exiting");
- echo_on();
- exit(1);
- }
- longjmp(jmpbuf, 1);
- }
-
- /* save letter into dead letter */
- dead_letter(sig)
- int sig; /* signal passed to rm_edfile() or 0 */
- {
- char *p, buf[BUFSIZ];
- long t;
- FILE *dead;
-
- if (ison(glob_flags, REDIRECT)) {
- print("input redirected -- can't save dead letter.\n");
- return;
- }
- /* If the file doesn't exist, get outta here. File may not exist if
- * user generated a ^C from a promptable header and catch sent us here.
- */
- if (!ed_fp && Access(edfile, R_OK) != 0)
- return;
- /* User may have killed mush via a signal while he was in an editor.
- * ed_fp will be NULL in this case. Since the file does exist (above),
- * open it so we can copy it to dead letter.
- */
- if (!ed_fp && !(ed_fp = fopen(edfile, "r"))) {
- error("can't save dead letter from %s", edfile);
- return;
- }
- /* don't save a dead letter if there's nothing to save. */
- if (fseek(ed_fp, 0L, 2) || ftell(ed_fp) <= 1L)
- return;
- if (!(p = do_set(set_options, "dead")))
- p = "~/dead.letter";
- if (!(dead = open_file(p + (*p == '|'), (*p == '|'), TRUE)))
- return;
- (void) time (&t);
- (void) fflush(ed_fp);
- rewind(ed_fp);
- #ifdef MSG_SEPARATOR
- (void) fputs(MSG_SEPARATOR, dead);
- #ifndef MMDF
- (void) fputc('\n', dead);
- #endif /* MMDF */
- #else /* MSG_SEPARATOR */
- (void) fprintf(dead, "From %s %s", login, ctime(&t));
- #endif /* MSG_SEPARATOR */
- (void) fprintf(dead, "From: %s\nTo: %s\nSubject: %s\n", login, To, Subject);
- (void) fprintf(dead, "Date: %s\n", rfc_date(buf));
- if (*Cc)
- (void) fprintf(dead, "Cc: %s\n", Cc);
- if (*Bcc)
- (void) fprintf(dead, "Bcc: %s\n", Bcc);
- (void) fputc('\n', dead);
- while (fgets(buf, sizeof(buf), ed_fp))
- (void) fputs(buf, dead);
- (void) fputc('\n', dead);
- #ifdef END_MSG_SEP
- (void) fputs(END_MSG_SEP, dead);
- #endif /* END_MSG_SEP */
- if (*p != '|')
- (void) close_lock(p, dead);
- else
- (void) pclose(dead);
- wprint("Saved%s letter in %s.\n", sig > 0? " unfinished" : "", p);
- }
-