/*
* Reply to a list of messages. Extract each name from the
* message header and send them off to mail1()
*/
int
dorespond(int *msgvec)
{
struct message *mp;
char *cp, *rcv, *replyto;
char **ap;
struct name *np;
struct header head;
if (msgvec[1] != 0) {
printf("Sorry, can't reply to multiple messages at once\n");
return (1);
}
mp = &message[msgvec[0] - 1];
touch(mp);
dot = mp;
if ((rcv = skin(hfield("from", mp))) == NULL)
rcv = skin(nameof(mp, 1));
if ((replyto = skin(hfield("reply-to", mp))) != NULL)
np = extract(replyto, GTO);
else if ((cp = skin(hfield("to", mp))) != NULL)
np = extract(cp, GTO);
else
np = NULL;
np = elide(np);
/*
* Delete my name from the reply list,
* and with it, all my alternate names.
*/
np = delname(np, myname);
if (altnames)
for (ap = altnames; *ap != NULL; ap++)
np = delname(np, *ap);
if (np != NULL && replyto == NULL)
np = cat(np, extract(rcv, GTO));
else if (np == NULL) {
if (replyto != NULL)
printf("Empty reply-to field -- replying to author\n");
np = extract(rcv, GTO);
}
head.h_to = np;
if ((head.h_subject = hfield("subject", mp)) == NULL)
head.h_subject = hfield("subj", mp);
head.h_subject = reedit(head.h_subject);
if (replyto == NULL && (cp = skin(hfield("cc", mp))) != NULL) {
np = elide(extract(cp, GCC));
np = delname(np, myname);
if (altnames != 0)
for (ap = altnames; *ap != NULL; ap++)
np = delname(np, *ap);
head.h_cc = np;
} else
head.h_cc = NULL;
head.h_bcc = NULL;
head.h_smopts = NULL;
head.h_replyto = value("REPLYTO");
head.h_inreplyto = skin(hfield("message-id", mp));
mail1(&head, 1);
return (0);
}
void elide_handles_short_strings()
{
size_t buf_size = 10;
char buffer[buf_size];
char *source = "A";
int result = elide(buffer, buf_size, source);
assert_string_equal(source, buffer);
assert_int_equal(1, result);
}
void elide_handles_long_strings()
{
size_t buf_size = 10;
char buffer[buf_size];
char *source = "A really long string";
int result = elide(buffer, buf_size, source);
assert_string_equal("A real...", buffer);
assert_int_equal(buf_size - 1, result);
}
/*
* Mail a message on standard input to the people indicated
* in the passed header. (Internal interface).
*/
void
mail1(struct header *hp, int printheaders)
{
char *cp;
char *nbuf;
int pid;
char **namelist;
struct name *to, *nsto;
FILE *mtf;
/*
* Collect user's mail from standard input.
* Get the result as mtf.
*/
if ((mtf = collect(hp, printheaders)) == NULL)
return;
if (value("interactive") != NULL) {
if (value("askcc") != NULL || value("askbcc") != NULL) {
if (value("askcc") != NULL)
grabh(hp, GCC);
if (value("askbcc") != NULL)
grabh(hp, GBCC);
} else {
printf("EOT\n");
(void)fflush(stdout);
}
}
if (fsize(mtf) == 0) {
if (value("dontsendempty") != NULL)
goto out;
if (hp->h_subject == NULL)
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 == NULL) {
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;
if (value("recordrecip") != NULL) {
/*
* Before fixing the header, save old To:.
* We do this because elide above has sorted To: list, and
* we would like to save message in a file named by the first
* recipient the user has entered, not the one being the first
* after sorting happened.
*/
if ((nsto = malloc(sizeof(struct name))) == NULL)
err(1, "Out of memory");
bcopy(hp->h_to, nsto, sizeof(struct name));
}
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 != NULL; t++)
printf(" \"%s\"", *t);
printf("\n");
goto out;
}
if (value("recordrecip") != NULL) {
/*
* Extract first recipient username from saved To: and use it
* as a filename.
*/
if ((nbuf = malloc(strlen(detract(nsto, 0)) + 1)) == NULL)
err(1, "Out of memory");
if ((cp = yanklogin(detract(nsto, 0), nbuf)) != NULL)
(void)savemail(expand(nbuf), mtf);
free(nbuf);
free(nsto);
} else if ((cp = value("record")) != NULL)
(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) {
warn("fork");
savedeadletter(mtf);
goto out;
}
if (pid == 0) {
sigset_t nset;
(void)sigemptyset(&nset);
(void)sigaddset(&nset, SIGHUP);
(void)sigaddset(&nset, SIGINT);
(void)sigaddset(&nset, SIGQUIT);
(void)sigaddset(&nset, SIGTSTP);
(void)sigaddset(&nset, SIGTTIN);
(void)sigaddset(&nset, SIGTTOU);
prepare_child(&nset, fileno(mtf), -1);
if ((cp = value("sendmail")) != NULL)
cp = expand(cp);
else
cp = _PATH_SENDMAIL;
execv(cp, namelist);
warn("%s", cp);
_exit(1);
}
if (value("verbose") != NULL)
(void)wait_child(pid);
else
free_child(pid);
out:
(void)Fclose(mtf);
}
/*
* Mail a message on standard input to the people indicated
* in the passed header. (Internal interface).
*/
void
mail1(struct header *hp, int printheaders)
{
char *cp;
pid_t 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 (fsize(mtf) == 0) {
if (value("skipempty") != NULL)
goto out;
if (hp->h_subject == NULL || *hp->h_subject == '\0')
puts("No message, no subject; hope that's ok");
else
puts("Null message body; hope that's ok");
}
/*
* 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 == NULL) {
puts("No recipients specified");
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) {
fputs(". . . message lost, sorry.\n", stderr);
return;
}
namelist = unpack(hp->h_smopts, to);
if (debug) {
char **t;
fputs("Sendmail arguments:", stdout);
for (t = namelist; *t != NULL; t++)
printf(" \"%s\"", *t);
putchar('\n');
goto out;
}
if ((cp = value("record")) != NULL)
(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) {
warn("fork");
savedeadletter(mtf);
goto out;
}
if (pid == 0) {
sigset_t nset;
sigemptyset(&nset);
sigaddset(&nset, SIGHUP);
sigaddset(&nset, SIGINT);
sigaddset(&nset, SIGQUIT);
sigaddset(&nset, SIGTSTP);
sigaddset(&nset, SIGTTIN);
sigaddset(&nset, SIGTTOU);
prepare_child(&nset, fileno(mtf), -1);
if ((cp = value("sendmail")) != NULL)
cp = expand(cp);
else
cp = _PATH_SENDMAIL;
execv(cp, namelist);
warn("%s", cp);
_exit(1);
}
if (value("verbose") != NULL)
(void)wait_child(pid);
else
free_child(pid);
out:
(void)Fclose(mtf);
}
/*
* Mail a message on standard input to the people indicated
* in the passed header. (Internal interface).
*/
void
mail1(struct header *hp, int use_to, char *orig_to)
{
pid_t p, pid;
int i, s, gotcha;
char **namelist, *deliver;
struct name *to, *np;
FILE *mtf, *fp;
int remote = rflag != NOSTR || rmail;
char **t;
char *deadletter;
char recfile[PATHSIZE];
/*
* Collect user's mail from standard input.
* Get the result as mtf.
*/
pid = (pid_t)-1;
if ((mtf = collect(hp)) == NULL)
return;
hp->h_seq = 1;
if (hp->h_subject == NOSTR)
hp->h_subject = sflag;
if (fsize(mtf) == 0 && hp->h_subject == NOSTR) {
printf(gettext("No message !?!\n"));
goto out;
}
if (intty) {
printf(gettext("EOT\n"));
flush();
}
/*
* If we need to use the To: line to determine the record
* file, save a copy of it before it's sorted below.
*/
if (use_to && orig_to == NOSTR && hp->h_to != NOSTR)
orig_to = strcpy((char *)salloc(strlen(hp->h_to)+1), hp->h_to);
else if (orig_to == NOSTR)
orig_to = "";
/*
* Now, take the user names from the combined
* to and cc lists and do all the alias
* processing.
*/
senderr = 0;
to = cat(extract(hp->h_bcc, GBCC),
cat(extract(hp->h_to, GTO),
extract(hp->h_cc, GCC)));
to = translate(outpre(elide(usermap(to))));
if (!senderr)
mapf(to, myname);
mechk(to);
for (gotcha = 0, np = to; np != NIL; np = np->n_flink)
if ((np->n_type & GDEL) == 0)
gotcha++;
hp->h_to = detract(to, GTO);
hp->h_cc = detract(to, GCC);
hp->h_bcc = detract(to, GBCC);
if ((mtf = infix(hp, mtf)) == NULL) {
fprintf(stderr, gettext(". . . message lost, sorry.\n"));
return;
}
rewind(mtf);
if (askme && isatty(0)) {
char ans[64];
puthead(hp, stdout, GTO|GCC|GBCC, 0);
printf(gettext("Send? "));
printf("[yes] ");
if (fgets(ans, sizeof(ans), stdin) && ans[0] &&
(tolower(ans[0]) != 'y' && ans[0] != '\n'))
goto dead;
}
if (senderr)
goto dead;
/*
* Look through the recipient list for names with /'s
* in them which we write to as files directly.
*/
i = outof(to, mtf);
rewind(mtf);
if (!gotcha && !i) {
printf(gettext("No recipients specified\n"));
goto dead;
}
if (senderr)
goto dead;
getrecf(orig_to, recfile, use_to, sizeof (recfile));
if (recfile != NOSTR && *recfile)
savemail(safeexpand(recfile), hp, mtf);
if (!gotcha)
goto out;
namelist = unpack(to);
if (debug) {
fprintf(stderr, "Recipients of message:\n");
for (t = namelist; *t != NOSTR; t++)
fprintf(stderr, " \"%s\"", *t);
fprintf(stderr, "\n");
return;
}
/*
* Wait, to absorb a potential zombie, then
* fork, set up the temporary mail file as standard
* input for "mail" and exec with the user list we generated
* far above. Return the process id to caller in case he
* wants to await the completion of mail.
*/
#ifdef VMUNIX
while (wait3((int *)0, WNOHANG, (struct rusage *)0) > 0)
;
#else
#ifdef preSVr4
wait((int *)0);
#else
while (waitpid((pid_t)-1, (int *)0, WNOHANG) > 0)
;
#endif
#endif
rewind(mtf);
pid = fork();
if (pid == (pid_t)-1) {
perror("fork");
dead:
deadletter = Getf("DEAD");
if (fp = fopen(deadletter,
value("appenddeadletter") == NOSTR ? "w" : "a")) {
chmod(deadletter, DEADPERM);
puthead(hp, fp, GMASK|GCLEN, fsize(mtf) - textpos);
fseek(mtf, textpos, 0);
lcwrite(deadletter, mtf, fp,
value("appenddeadletter") != NOSTR);
fclose(fp);
} else
perror(deadletter);
goto out;
}
if (pid == 0) {
sigchild();
#ifdef SIGTSTP
if (remote == 0) {
sigset(SIGTSTP, SIG_IGN);
sigset(SIGTTIN, SIG_IGN);
sigset(SIGTTOU, SIG_IGN);
}
#endif
sigset(SIGHUP, SIG_IGN);
sigset(SIGINT, SIG_IGN);
sigset(SIGQUIT, SIG_IGN);
s = fileno(mtf);
(void) fdwalk(closefd_walk, &s);
close(0);
dup(s);
close(s);
#ifdef CC
submit(getpid());
#endif /* CC */
if ((deliver = value("sendmail")) == NOSTR)
#ifdef SENDMAIL
deliver = SENDMAIL;
#else
deliver = MAIL;
#endif
execvp(safeexpand(deliver), namelist);
perror(deliver);
exit(1);
}
if (value("sendwait")!=NOSTR)
remote++;
out:
if (remote) {
while ((p = wait(&s)) != pid && p != (pid_t)-1)
;
if (s != 0)
senderr++;
pid = 0;
}
fclose(mtf);
return;
}
