diff options
Diffstat (limited to 'usr.bin/mail/send.c')
| -rw-r--r-- | usr.bin/mail/send.c | 556 |
1 files changed, 0 insertions, 556 deletions
diff --git a/usr.bin/mail/send.c b/usr.bin/mail/send.c deleted file mode 100644 index c8b8fea..0000000 --- a/usr.bin/mail/send.c +++ /dev/null @@ -1,556 +0,0 @@ -/* - * Copyright (c) 1980, 1993 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#ifndef lint -static char sccsid[] = "@(#)send.c 8.1 (Berkeley) 6/6/93"; -#endif /* not lint */ - -#include "rcv.h" -#include "extern.h" - -/* - * Mail -- a mail program - * - * Mail to others. - */ - -/* - * Send message described by the passed pointer to the - * passed output buffer. Return -1 on error. - * Adjust the status: field if need be. - * If doign is given, suppress ignored header fields. - * prefix is a string to prepend to each output line. - */ -int -send(mp, obuf, doign, prefix) - register struct message *mp; - FILE *obuf; - struct ignoretab *doign; - char *prefix; -{ - long count; - register FILE *ibuf; - char line[LINESIZE]; - int ishead, infld, ignoring, dostat, firstline; - register char *cp, *cp2; - register int c; - int length; - int prefixlen; - - /* - * Compute the prefix string, without trailing whitespace - */ - if (prefix != NOSTR) { - cp2 = 0; - for (cp = prefix; *cp; cp++) - if (*cp != ' ' && *cp != '\t') - cp2 = cp; - prefixlen = cp2 == 0 ? 0 : cp2 - prefix + 1; - } - ibuf = setinput(mp); - count = mp->m_size; - ishead = 1; - dostat = doign == 0 || !isign("status", doign); - infld = 0; - firstline = 1; - /* - * Process headers first - */ - while (count > 0 && ishead) { - if (fgets(line, LINESIZE, ibuf) == NULL) - break; - count -= length = strlen(line); - if (firstline) { - /* - * First line is the From line, so no headers - * there to worry about - */ - firstline = 0; - ignoring = doign == ignoreall; - } else if (line[0] == '\n') { - /* - * If line is blank, we've reached end of - * headers, so force out status: field - * and note that we are no longer in header - * fields - */ - if (dostat) { - statusput(mp, obuf, prefix); - dostat = 0; - } - ishead = 0; - ignoring = doign == ignoreall; - } else if (infld && (line[0] == ' ' || line[0] == '\t')) { - /* - * If this line is a continuation (via space or tab) - * of a previous header field, just echo it - * (unless the field should be ignored). - * In other words, nothing to do. - */ - } else { - /* - * Pick up the header field if we have one. - */ - for (cp = line; (c = *cp++) && c != ':' && !isspace(c);) - ; - cp2 = --cp; - while (isspace(*cp++)) - ; - if (cp[-1] != ':') { - /* - * Not a header line, force out status: - * This happens in uucp style mail where - * there are no headers at all. - */ - if (dostat) { - statusput(mp, obuf, prefix); - dostat = 0; - } - if (doign != ignoreall) - /* add blank line */ - (void) putc('\n', obuf); - ishead = 0; - ignoring = 0; - } else { - /* - * If it is an ignored field and - * we care about such things, skip it. - */ - *cp2 = 0; /* temporarily null terminate */ - if (doign && isign(line, doign)) - ignoring = 1; - else if ((line[0] == 's' || line[0] == 'S') && - strcasecmp(line, "status") == 0) { - /* - * If the field is "status," go compute - * and print the real Status: field - */ - if (dostat) { - statusput(mp, obuf, prefix); - dostat = 0; - } - ignoring = 1; - } else { - ignoring = 0; - *cp2 = c; /* restore */ - } - infld = 1; - } - } - if (!ignoring) { - /* - * Strip trailing whitespace from prefix - * if line is blank. - */ - if (prefix != NOSTR) - if (length > 1) - fputs(prefix, obuf); - else - (void) fwrite(prefix, sizeof *prefix, - prefixlen, obuf); - (void) fwrite(line, sizeof *line, length, obuf); - if (ferror(obuf)) - return -1; - } - } - /* - * Copy out message body - */ - if (doign == ignoreall) - count--; /* skip final blank line */ - if (prefix != NOSTR) - while (count > 0) { - if (fgets(line, LINESIZE, ibuf) == NULL) { - c = 0; - break; - } - count -= c = strlen(line); - /* - * Strip trailing whitespace from prefix - * if line is blank. - */ - if (c > 1) - fputs(prefix, obuf); - else - (void) fwrite(prefix, sizeof *prefix, - prefixlen, obuf); - (void) fwrite(line, sizeof *line, c, obuf); - if (ferror(obuf)) - return -1; - } - else - while (count > 0) { - c = count < LINESIZE ? count : LINESIZE; - if ((c = fread(line, sizeof *line, c, ibuf)) <= 0) - break; - count -= c; - if (fwrite(line, sizeof *line, c, obuf) != c) - return -1; - } - if (doign == ignoreall && c > 0 && line[c - 1] != '\n') - /* no final blank line */ - if ((c = getc(ibuf)) != EOF && putc(c, obuf) == EOF) - return -1; - return 0; -} - -/* - * Output a reasonable looking status field. - */ -void -statusput(mp, obuf, prefix) - register struct message *mp; - FILE *obuf; - char *prefix; -{ - char statout[3]; - register char *cp = statout; - - if (mp->m_flag & MREAD) - *cp++ = 'R'; - if ((mp->m_flag & MNEW) == 0) - *cp++ = 'O'; - *cp = 0; - if (statout[0]) - fprintf(obuf, "%sStatus: %s\n", - prefix == NOSTR ? "" : prefix, statout); -} - -/* - * Interface between the argument list and the mail1 routine - * which does all the dirty work. - */ -int -mail(to, cc, bcc, smopts, subject) - struct name *to, *cc, *bcc, *smopts; - char *subject; -{ - struct header head; - - head.h_to = to; - head.h_subject = subject; - head.h_cc = cc; - head.h_bcc = bcc; - head.h_smopts = smopts; - mail1(&head, 0); - return(0); -} - - -/* - * Send mail to a bunch of user names. The interface is through - * the mail routine below. - */ -int -sendmail(str) - char *str; -{ - struct header head; - - head.h_to = extract(str, GTO); - head.h_subject = NOSTR; - head.h_cc = NIL; - head.h_bcc = NIL; - head.h_smopts = NIL; - mail1(&head, 0); - return(0); -} - -/* - * Mail a message on standard input to the people indicated - * in the passed header. (Internal interface). - */ -void -mail1(hp, printheaders) - struct header *hp; - int printheaders; -{ - char *cp; - int pid; - char **namelist; - struct name *to; - FILE *mtf; - - /* - * Collect user's mail from standard input. - * Get the result as mtf. - */ - if ((mtf = collect(hp, printheaders)) == NULL) - return; - if (value("interactive") != NOSTR) - if (value("askcc") != NOSTR) - grabh(hp, GCC); - else { - printf("EOT\n"); - (void) fflush(stdout); - } - if (fsize(mtf) == 0) - if (hp->h_subject == NOSTR) - printf("No message, no subject; hope that's ok\n"); - else - printf("Null message body; hope that's ok\n"); - /* - * Now, take the user names from the combined - * to and cc lists and do all the alias - * processing. - */ - senderr = 0; - to = usermap(cat(hp->h_bcc, cat(hp->h_to, hp->h_cc))); - if (to == NIL) { - printf("No recipients specified\n"); - senderr++; - } - /* - * Look through the recipient list for names with /'s - * in them which we write to as files directly. - */ - to = outof(to, mtf, hp); - if (senderr) - savedeadletter(mtf); - to = elide(to); - if (count(to) == 0) - goto out; - fixhead(hp, to); - if ((mtf = infix(hp, mtf)) == NULL) { - fprintf(stderr, ". . . message lost, sorry.\n"); - return; - } - namelist = unpack(cat(hp->h_smopts, to)); - if (debug) { - char **t; - - printf("Sendmail arguments:"); - for (t = namelist; *t != NOSTR; t++) - printf(" \"%s\"", *t); - printf("\n"); - goto out; - } - if ((cp = value("record")) != NOSTR) - (void) savemail(expand(cp), mtf); - /* - * Fork, set up the temporary mail file as standard - * input for "mail", and exec with the user list we generated - * far above. - */ - pid = fork(); - if (pid == -1) { - perror("fork"); - savedeadletter(mtf); - goto out; - } - if (pid == 0) { - prepare_child(sigmask(SIGHUP)|sigmask(SIGINT)|sigmask(SIGQUIT)| - sigmask(SIGTSTP)|sigmask(SIGTTIN)|sigmask(SIGTTOU), - fileno(mtf), -1); - if ((cp = value("sendmail")) != NOSTR) - cp = expand(cp); - else - cp = _PATH_SENDMAIL; - execv(cp, namelist); - perror(cp); - _exit(1); - } - if (value("verbose") != NOSTR) - (void) wait_child(pid); - else - free_child(pid); -out: - (void) Fclose(mtf); -} - -/* - * Fix the header by glopping all of the expanded names from - * the distribution list into the appropriate fields. - */ -void -fixhead(hp, tolist) - struct header *hp; - struct name *tolist; -{ - register struct name *np; - - hp->h_to = NIL; - hp->h_cc = NIL; - hp->h_bcc = NIL; - for (np = tolist; np != NIL; np = np->n_flink) - if ((np->n_type & GMASK) == GTO) - hp->h_to = - cat(hp->h_to, nalloc(np->n_name, np->n_type)); - else if ((np->n_type & GMASK) == GCC) - hp->h_cc = - cat(hp->h_cc, nalloc(np->n_name, np->n_type)); - else if ((np->n_type & GMASK) == GBCC) - hp->h_bcc = - cat(hp->h_bcc, nalloc(np->n_name, np->n_type)); -} - -/* - * Prepend a header in front of the collected stuff - * and return the new file. - */ -FILE * -infix(hp, fi) - struct header *hp; - FILE *fi; -{ - extern char tempMail[]; - register FILE *nfo, *nfi; - register int c; - - if ((nfo = Fopen(tempMail, "w")) == NULL) { - perror(tempMail); - return(fi); - } - if ((nfi = Fopen(tempMail, "r")) == NULL) { - perror(tempMail); - (void) Fclose(nfo); - return(fi); - } - (void) rm(tempMail); - (void) puthead(hp, nfo, GTO|GSUBJECT|GCC|GBCC|GNL|GCOMMA); - c = getc(fi); - while (c != EOF) { - (void) putc(c, nfo); - c = getc(fi); - } - if (ferror(fi)) { - perror("read"); - rewind(fi); - return(fi); - } - (void) fflush(nfo); - if (ferror(nfo)) { - perror(tempMail); - (void) Fclose(nfo); - (void) Fclose(nfi); - rewind(fi); - return(fi); - } - (void) Fclose(nfo); - (void) Fclose(fi); - rewind(nfi); - return(nfi); -} - -/* - * Dump the to, subject, cc header on the - * passed file buffer. - */ -int -puthead(hp, fo, w) - struct header *hp; - FILE *fo; - int w; -{ - register int gotcha; - - gotcha = 0; - if (hp->h_to != NIL && w & GTO) - fmt("To:", hp->h_to, fo, w&GCOMMA), gotcha++; - if (hp->h_subject != NOSTR && w & GSUBJECT) - fprintf(fo, "Subject: %s\n", hp->h_subject), gotcha++; - if (hp->h_cc != NIL && w & GCC) - fmt("Cc:", hp->h_cc, fo, w&GCOMMA), gotcha++; - if (hp->h_bcc != NIL && w & GBCC) - fmt("Bcc:", hp->h_bcc, fo, w&GCOMMA), gotcha++; - if (gotcha && w & GNL) - (void) putc('\n', fo); - return(0); -} - -/* - * Format the given header line to not exceed 72 characters. - */ -void -fmt(str, np, fo, comma) - char *str; - register struct name *np; - FILE *fo; - int comma; -{ - register col, len; - - comma = comma ? 1 : 0; - col = strlen(str); - if (col) - fputs(str, fo); - for (; np != NIL; np = np->n_flink) { - if (np->n_flink == NIL) - comma = 0; - len = strlen(np->n_name); - col++; /* for the space */ - if (col + len + comma > 72 && col > 4) { - fputs("\n ", fo); - col = 4; - } else - putc(' ', fo); - fputs(np->n_name, fo); - if (comma) - putc(',', fo); - col += len + comma; - } - putc('\n', fo); -} - -/* - * Save the outgoing mail on the passed file. - */ - -/*ARGSUSED*/ -int -savemail(name, fi) - char name[]; - register FILE *fi; -{ - register FILE *fo; - char buf[BUFSIZ]; - register i; - time_t now, time(); - char *ctime(); - - if ((fo = Fopen(name, "a")) == NULL) { - perror(name); - return (-1); - } - (void) time(&now); - fprintf(fo, "From %s %s", myname, ctime(&now)); - while ((i = fread(buf, 1, sizeof buf, fi)) > 0) - (void) fwrite(buf, 1, i, fo); - (void) putc('\n', fo); - (void) fflush(fo); - if (ferror(fo)) - perror(name); - (void) Fclose(fo); - rewind(fi); - return (0); -} |
