#include <h/utils.h>
#include <unistd.h>
#include <locale.h>
+#include <sysexits.h>
+#include <errno.h>
#define MAX_SM_FIELD 1476 /* < largest hdr field sendmail will accept */
#define HBCC 0x0010 /* don't output this header */
#define HFCC 0x0020 /* FCC: type header */
#define HIGN 0x0040 /* ignore this header */
+#define HDCC 0x0080 /* DCC: type header */
/* flags for headers->set */
#define MFRM 0x0001 /* we've seen a From: */
#define MVIS 0x0008 /* we've seen sighted addrs */
#define MINV 0x0010 /* we've seen blind addrs */
#define MRDT 0x0020 /* we've seen a Resent-Date: */
+#define MFMM 0x0040 /* The Mail is From a Alternative-Mailbox Addresse */
struct headers {
char *value;
{ "Subject", HSUB, 0 },
{ "To", HADR|HTRY, MVIS },
{ "Cc", HADR|HTRY, MVIS },
+ { "Dcc", HADR|HTRY|HDCC, MVIS },
{ "Bcc", HADR|HTRY|HBCC, MINV },
{ "Message-Id", HBAD, 0 },
{ "Fcc", HFCC, 0 },
{ "Resent-Subject", HSUB, 0 },
{ "Resent-To", HADR|HTRY, MVIS },
{ "Resent-Cc", HADR|HTRY, MVIS },
+ { "Resent-Dcc", HADR|HTRY|HDCC, MVIS },
{ "Resent-Bcc", HADR|HTRY|HBCC, MINV },
{ "Resent-Message-Id", HBAD, 0 },
{ "Resent-Fcc", HFCC, 0 },
static char *subject = NULL; /* the subject field for BCC'ing */
static char fccs[BUFSIZ] = "";
struct mailname *bccs = NULL; /* list of the bcc recipients */
+struct mailname *recipients = NULL; /* list of the recipients */
+size_t recipientsc = 0;
+struct mailname *sender = NULL;
static struct headers *hdrtab; /* table for the message we're doing */
static FILE *out; /* output (temp) file */
static void process_fcc(char *);
static void fcc(char *, char *);
static void process_bccs(char *);
+static size_t do_aliasing(struct mailname *, struct mailname **);
int
{
int state, compnum;
char *cp, *msg = NULL, **argp, **arguments;
- char *sargv[16], buf[BUFSIZ], name[NAMESZ];
+ char **sargv, buf[BUFSIZ], name[NAMESZ];
FILE *in;
setlocale(LC_ALL, "");
switch (smatch(++cp, switches)) {
case AMBIGSW:
ambigsw(cp, switches);
- exit(1);
+ exit(EX_USAGE);
case UNKWNSW:
- adios(NULL, "-%s unknown", cp);
+ adios(EX_USAGE, NULL, "-%s unknown", cp);
case HELPSW:
snprintf(buf, sizeof(buf),
"%s [switches] file",
invo_name);
print_help(buf, switches, 1);
- exit(0);
+ exit(argc == 2 ? EX_OK : EX_USAGE);
case VERSIONSW:
print_version(invo_name);
- exit(0);
+ exit(argc == 2 ? EX_OK : EX_USAGE);
case DEBUGSW:
debug++;
continue;
}
}
- if (msg)
- adios(NULL, "only one message at a time!");
- else
+ if (msg) {
+ adios(EX_USAGE, NULL, "only one message at a time!");
+ } else {
msg = cp;
+ }
}
- if (!msg)
- adios(NULL, "usage: %s [switches] file", invo_name);
+ if (!msg) {
+ adios(EX_USAGE, NULL, "usage: %s [switches] file", invo_name);
+ }
- if ((in = fopen(msg, "r")) == NULL)
- adios(msg, "unable to open");
+ if ((in = fopen(msg, "r")) == NULL) {
+ adios(EX_IOERR, msg, "unable to open");
+ }
if (debug) {
verbose++;
for (ap=brkstring(dp=getcpy(cp), " ", "\n"); ap && *ap;
ap++) {
if ((state = alias(etcpath(*ap))) != AK_OK) {
- adios(NULL, "aliasing error in file %s: %s",
+ adios(EX_IOERR, NULL, "aliasing error in file %s: %s",
*ap, akerror(state));
}
}
for (compnum = 1, state = FLD;;) {
switch (state = m_getfld(state, name, buf, sizeof(buf), in)) {
case FLD:
- compnum++;
- putfmt(name, buf, out);
- continue;
-
case FLDPLUS:
compnum++;
- cp = add(buf, cp);
+ cp = getcpy(buf);
while (state == FLDPLUS) {
state = m_getfld(state, name, buf,
sizeof(buf), in);
case LENERR:
case FMTERR:
- adios(NULL, "message format error in component #%d",
+ adios(EX_DATAERR, NULL, "message format error in component #%d",
compnum);
default:
- adios(NULL, "getfld() returned %d", state);
+ adios(EX_SOFTWARE, NULL, "getfld() returned %d", state);
}
break;
}
fclose(in);
if (debug) {
+ struct mailname *i = recipients;
/* stop here */
- exit(0);
+ puts("----EOM----");
+ while (i) {
+ fputs(i->m_mbox, stdout);
+ if (i->m_host) {
+ fputs("@", stdout);
+ fputs(i->m_host, stdout);
+ }
+ fputs("\n", stdout);
+ i = i->m_next;
+ mnfree(recipients);
+ recipients = i;
+ }
+ exit(EX_OK);
}
fclose(out);
if (!(msgflags & MVIS)) {
/* only Bcc rcpts: we're finished here */
unlink(tmpfil);
- exit(0);
+ exit(EX_OK);
}
}
** the msg temp file as std in.
*/
if (!freopen(tmpfil, "r", stdin)) {
- adios(tmpfil, "can't reopen for sendmail");
+ adios(EX_IOERR, tmpfil, "can't reopen for sendmail");
}
unlink(tmpfil);
+ if (recipientsc == 0) {
+ adios(EX_DATAERR, NULL, "message has no recipients");
+ }
+
+ sargv = mh_xmalloc(sizeof(char **) * (recipientsc + 4));
+
argp = sargv;
*argp++ = "send-mail";
- *argp++ = "-m"; /* send to me too */
- *argp++ = "-t"; /* read msg for recipients */
*argp++ = "-i"; /* don't stop on "." */
if (verbose) {
*argp++ = "-v";
}
+
+ while (recipients != NULL) {
+ cp = getcpy(recipients->m_mbox);
+ if (recipients->m_host) {
+ cp = add("@", cp);
+ cp = add(recipients->m_host, cp);
+ }
+ *argp++ = cp;
+ cp = NULL;
+ recipients = recipients->m_next;
+ }
*argp = NULL;
- execv(sendmail, sargv);
- adios(sendmail, "can't exec");
+ execvp(sendmail, sargv);
+
+ if (errno == E2BIG) {
+ adios(EX_DATAERR, sendmail, "too much arguments, probably to much recipients");
+ }
+
+ adios(EX_OSERR, sendmail, "can't exec");
return -1;
}
putfmt(char *name, char *str, FILE *out)
{
int i;
- char *cp;
struct headers *hdr;
+ struct mailname addr_start, *addr_end;
+ size_t addrc;
+
+ addr_end = &addr_start;
+ addr_end->m_next = NULL;
/* remove leading whitespace */
while (*str==' ' || *str=='\t') {
if ((i = get_header(name, hdrtab)) == NOTOK) {
/* no header we would care for */
- if (mh_strcasecmp(name, attach_hdr)!=0 &&
- mh_strcasecmp(name, sign_hdr)!=0 &&
- mh_strcasecmp(name, enc_hdr)!=0) {
- /* push it through */
- fprintf(out, "%s: %s", name, str);
+ if (mh_strcasecmp(name, attach_hdr)==0) {
+ return;
+ }
+ if (mh_strcasecmp(name, sign_hdr)==0) {
+ return;
}
+ if (mh_strcasecmp(name, enc_hdr)==0) {
+ return;
+ }
+ /* push it through */
+ fprintf(out, "%s: %s", name, str);
return;
}
/* it's one of the interesting headers */
return;
}
- if (hdr->flags & HBCC) {
- struct mailname *mp = NULL;
+ if (hdr->flags & HSUB) {
+ subject = getcpy(str);
+ }
- /* Create list of Bcc addrs. */
- while ((cp = getname(str))) {
- mp = getm(cp, NULL, 0, AD_HOST, NULL);
- mp->m_next = bccs; /* push */
- bccs = mp;
- }
+ if (!(hdr->flags & HADR)) {
+ fprintf(out, "%s: %s", name, str);
return;
}
- if (aliasflg && hdr->flags & HTRY) {
- /*
- ** This header contains address(es) that we have to do
- ** alias expansion on. Because of the saved state in
- ** getname we have to put all the addresses into a list.
- **/
- struct mailname *f = NULL;
+ addrc = getmboxes(str, &addr_end);
+
+ if (aliasflg) {
+ addrc += do_aliasing(&addr_start, &addr_end);
+ }
+
+ if (hdr->flags & HBCC) {
+ addr_end->m_next = bccs;
+ bccs = addr_start.m_next;
+ return;
+ }
+
+ if (hdr->set & MFRM) {
struct mailname *mp = NULL;
+ struct mailname *my = NULL;
+ unsigned int fromcnt = 0;
- while ((cp = getname(str))) {
- mp = getm(cp, NULL, 0, AD_HOST, NULL);
- if (!f) {
- f = mp;
- mp->m_next = mp;
- } else {
- mp->m_next = f->m_next;
- f->m_next = mp;
- f = mp;
+ /* needed because the address parser holds global state */
+ ismymbox(NULL);
+
+ for ( mp = addr_start.m_next; mp; mp = mp->m_next) {
+ if (ismymbox(mp)) {
+ msgflags |= MFMM;
+ if (my == NULL) {
+ my = mp;
+ }
}
+ fromcnt++;
+ }
+
+ if (fromcnt > 1) {
+ sender = my;
}
- f = mp->m_next;
- mp->m_next = NULL;
- /* Now munch on the list, possibly expanding aliases */
- putadr(name, f);
- return;
}
- /*
- ** The author(s) of spost decided that alias substitution wasn't
- ** necessary for the non-HTRY headers. Unfortunately, one of
- ** those headers is "From:", and having alias substitution work on
- ** that is extremely useful for someone with a lot of POP3 email
- ** accounts or aliases. post supports aliasing of "From:"...
- **
- ** Since "From:"-processing is incompletely implemented in this
- ** unsupported and undocumented spost backend, I'm not going
- ** to take the time to implement my new draft-From:-based email
- ** address masquerading. If I do ever implement it here, I'd almost
- ** certainly want to implement "From:" line alias processing as well.
- ** -- Dan Harkless <dan-nmh@dilvish.speed.net>
- */
- /*
- ** Although there is no masquerading anymore in mmh, we might want
- ** to have aliasing of From: addresses. Think about it.
- ** -- meillo@marmaro.de 2012-02
- */
+ if (!(hdr->flags & HDCC)) {
+ putadr(name, addr_start.m_next);
+ }
- if (hdr->flags & HSUB) {
- subject = getcpy(str);
+ if (hdr->flags & HTRY) {
+ addr_end->m_next = recipients;
+ recipients = addr_start.m_next;
+ recipientsc += i;
}
- fprintf(out, "%s: %s", name, str);
}
fprintf(out, "%sDate: %s\n", resentstr, dtimenow());
}
- snprintf(from, sizeof(from), "%s@%s", getusername(), LocalName());
- if ((cp = getfullname()) && *cp) {
- snprintf(signature, sizeof(signature), "%s <%s>", cp, from);
+ if (sender != NULL) {
+ snprintf(signature, sizeof(signature), "%s", sender->m_text);
+ } else if ((cp = context_find("Default-From")) != NULL) {
+ snprintf(signature, sizeof(signature), "%s", cp);
} else {
- snprintf(signature, sizeof(signature), "%s", from);
+ snprintf(from, sizeof(from), "%s@%s", getusername(), LocalName());
+ if ((cp = getfullname()) && *cp) {
+ snprintf(signature, sizeof(signature), "%s <%s>", cp, from);
+ } else {
+ snprintf(signature, sizeof(signature), "%s", from);
+ }
}
if (!(msgflags & MFRM)) {
fprintf(out, "%sFrom: %s\n", resentstr, signature);
** Add a Sender: header because the From: header could
** be fake or contain multiple addresses.
*/
- fprintf(out, "%sSender: %s\n", resentstr, from);
+ if (!(msgflags & MFMM) || sender != NULL) {
+ fprintf(out, "%sSender: %s\n", resentstr, signature);
+ }
}
if (!(msgflags & MVIS)) {
fprintf(out, "%sBcc: undisclosed-recipients:;\n", resentstr);
}
if (badmsg) {
unlink(tmpfil);
- adios(NULL, "re-format message and try again");
+ adios(EX_DATAERR, NULL, "re-format message and try again");
}
}
return (h - table);
}
}
-
return NOTOK;
}
{
struct mailname *mp, *mp2;
int linepos;
- char *cp;
int namelen;
fprintf(out, "%s: ", name);
fprintf(out, "\n%s: ", name);
linepos = namelen;
}
- if (mp->m_nohost) {
- /* a local name - see if it's an alias */
- cp = akvalue(mp->m_mbox);
- if (cp == mp->m_mbox) {
- /* wasn't an alias - use what the user typed */
- linepos = putone(mp->m_text, linepos, namelen);
- } else {
- /* an alias - expand it */
- while ((cp = getname(cp))) {
- if (linepos > MAX_SM_FIELD) {
- fprintf(out, "\n%s: ", name);
- linepos = namelen;
- }
- mp2 = getm(cp, NULL, 0, AD_HOST, NULL);
- if (akvisible()) {
- mp2->m_pers = getcpy(mp->m_mbox);
- linepos = putone(adrformat(mp2), linepos, namelen);
- } else {
- linepos = putone(mp2->m_text,
- linepos,
- namelen);
- }
- mnfree(mp2);
- }
- }
- } else {
- /* not a local name - use what the user typed */
- linepos = putone(mp->m_text, linepos, namelen);
- }
+ linepos = putone(mp->m_text, linepos, namelen);
mp2 = mp;
mp = mp->m_next;
- mnfree(mp2);
}
putc('\n', out);
}
static int
putone(char *adr, int pos, int indent)
{
- register int len;
+ int len;
static int linepos;
len = strlen(adr);
- if (pos == indent)
+ if (pos == indent) {
linepos = pos;
- else if (linepos+len > OUTPUTLINELEN) {
+ } else if (linepos+len > OUTPUTLINELEN) {
fprintf(out, ",\n%*s", indent, "");
linepos = indent;
pos += indent + 2;
int state = 0;
if (strlen(str)+strlen(fccs) > sizeof fccs /2) {
- adios(NULL, "Too much Fcc data");
+ adios(EX_DATAERR, NULL, "Too much Fcc data");
}
/* todo: better have three states: SEPARATOR, PLUS, WORD */
for (cp=pp=str; *cp; cp++) {
fflush(stdout);
}
if (100+strlen(file)+strlen(folders) > sizeof cmd) {
- adios(NULL, "Too much Fcc data");
+ adios(EX_DATAERR, NULL, "Too much Fcc data");
}
/* hack: read from /dev/null and refile(1) won't question us */
snprintf(cmd, sizeof cmd, "</dev/null refile -link -file '%s' %s",
}
}
}
+
+/*
+ * Do aliasing on a mailname linked list
+ * Begin at start->m_next
+ * End if m_next == NULL
+ * **end is set to the new end.
+ * Return the number of new mainames in the list
+ */
+
+static size_t
+do_aliasing(struct mailname *start, struct mailname **end)
+{
+ struct mailname *prev, *cur;
+ char *cp;
+ size_t i = 0;
+
+ prev = start;
+ cur = prev->m_next;
+
+ while (cur != NULL) {
+ if (cur->m_nohost) {
+ cp = akvalue(cur->m_mbox);
+ if (strcmp(cp, cur->m_mbox) != 0) {
+ prev->m_next = cur->m_next;
+ i += getmboxes(cp, &prev);
+ i -= 1;
+ mnfree(cur);
+ } else {
+ prev = cur;
+ }
+ } else {
+ prev = cur;
+ }
+ cur = prev->m_next;
+ }
+ *end = prev;
+ return i;
+}