#include <h/dropsbr.h>
#include <h/tws.h>
#include <h/utils.h>
+#include <unistd.h>
+#include <locale.h>
+#include <sysexits.h>
#define MAX_SM_FIELD 1476 /* < largest hdr field sendmail will accept */
-#define FCCS 10 /* max number of fccs allowed */
-struct swit switches[] = {
+static struct swit switches[] = {
#define VERBSW 0
{ "verbose", 0 },
#define NVERBSW 1
- { "noverbose", 0 },
-#define WATCSW 2
- { "watch", 0 },
-#define NWATCSW 3
- { "nowatch", 0 },
-#define ALIASW 4
- { "alias aliasfile", 0 },
-#define NALIASW 5
- { "noalias", 0 },
-#define VERSIONSW 6
- { "version", 0 },
-#define HELPSW 7
+ { "noverbose", 2 },
+#define VERSIONSW 2
+ { "Version", 0 },
+#define HELPSW 3
{ "help", 0 },
-#define DEBUGSW 8
+#define DEBUGSW 4
{ "debug", -5 },
-#define DISTSW 9
+#define DISTSW 5
{ "dist", -4 }, /* interface from dist */
-#define PUSHSW 10 /* fork to sendmail then exit */
- { "push", -4 },
-#define NPUSHSW 11 /* exec sendmail */
- { "nopush", -6 },
-#define LIBSW 12
- { "library directory", -7 },
{ NULL, 0 }
};
#define HSUB 0x0004 /* Subject: header */
#define HTRY 0x0008 /* try to send to addrs on header */
#define HBCC 0x0010 /* don't output this header */
-#define HNGR 0x0020 /* no groups allowed in this header */
-#define HFCC 0x0040 /* FCC: type header */
-#define HNIL 0x0080 /* okay for this header not to have addrs */
-#define HIGN 0x0100 /* ignore this header */
+#define HFCC 0x0020 /* FCC: type header */
+#define HIGN 0x0040 /* ignore this 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;
unsigned int set;
};
-
static struct headers NHeaders[] = {
{ "Return-Path", HBAD, 0 },
{ "Received", HBAD, 0 },
- { "Reply-To", HADR|HNGR, 0 },
- { "From", HADR|HNGR, MFRM },
+ { "Reply-To", HADR, 0 },
+ { "From", HADR, MFRM },
{ "Sender", HADR|HBAD, 0 },
{ "Date", HNOP, MDAT },
{ "Subject", HSUB, 0 },
{ "To", HADR|HTRY, MVIS },
{ "Cc", HADR|HTRY, MVIS },
- { "Bcc", HADR|HTRY|HBCC|HNIL, MINV },
+ { "Bcc", HADR|HTRY|HBCC, MINV },
{ "Message-Id", HBAD, 0 },
{ "Fcc", HFCC, 0 },
+ { "Envelope-From", HIGN, 0 },
{ NULL, 0, 0 }
};
static struct headers RHeaders[] = {
- { "Resent-Reply-To", HADR|HNGR, 0 },
- { "Resent-From", HADR|HNGR, MRFM },
+ { "Resent-Reply-To", HADR, 0 },
+ { "Resent-From", HADR, MRFM },
{ "Resent-Sender", HADR|HBAD, 0 },
{ "Resent-Date", HNOP, MRDT },
{ "Resent-Subject", HSUB, 0 },
{ "Resent-Fcc", HFCC, 0 },
{ "Reply-To", HADR, 0 },
{ "Fcc", HIGN, 0 },
+ { "Envelope-From", HIGN, 0 },
{ NULL, 0, 0 }
};
-static int badmsg = 0; /* message has bad semantics */
-static int verbose = 0; /* spell it out */
-static int debug = 0; /* debugging post */
-static int watch = 0; /* watch the delivery process */
-static int pushflg = 0; /* if going to fork to sendmail */
+static int badmsg = 0;
+static int verbose = 0;
+static int debug = 0;
static int aliasflg = 0; /* if going to process aliases */
static unsigned msgflags = 0; /* what we've seen */
normal, resent
} msgstate = normal;
-static char tmpfil[] = "/tmp/spost-XXXXXX";
-static char bccfil[] = "/tmp/spost-bcc-XXXXXX";
+static char *tmpfil;
static char *subject = NULL; /* the subject field for BCC'ing */
static char fccs[BUFSIZ] = "";
-struct mailname *bccs = NULL;
+struct mailname *bccs = NULL; /* list of the bcc recipients */
static struct headers *hdrtab; /* table for the message we're doing */
static FILE *out; /* output (temp) file */
-extern char *sendmail;
-
/*
** static prototypes
*/
static int get_header(char *, struct headers *);
static void putadr(char *, struct mailname *);
static int putone(char *, int, int);
+static void process_fcc(char *);
static void fcc(char *, char *);
-static void make_bcc_draft(char *);
+static void process_bccs(char *);
int
main(int argc, char **argv)
{
- int state, i, pid, compnum;
+ int state, compnum;
char *cp, *msg = NULL, **argp, **arguments;
char *sargv[16], buf[BUFSIZ], name[NAMESZ];
FILE *in;
-#ifdef LOCALE
setlocale(LC_ALL, "");
-#endif
invo_name = mhbasename(argv[0]);
- /* foil search of user profile/context */
- if (context_foil(NULL) == -1)
- done(1);
+ context_read();
arguments = getarguments(invo_name, argc, argv, 0);
argp = arguments;
switch (smatch(++cp, switches)) {
case AMBIGSW:
ambigsw(cp, switches);
- done(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);
- done(1);
+ exit(argc == 2 ? EX_OK : EX_USAGE);
case VERSIONSW:
print_version(invo_name);
- done(1);
+ exit(argc == 2 ? EX_OK : EX_USAGE);
case DEBUGSW:
debug++;
case NVERBSW:
verbose = 0;
continue;
-
- case WATCSW:
- watch++;
- continue;
- case NWATCSW:
- watch = 0;
- continue;
-
- case PUSHSW:
- pushflg++;
- continue;
- case NPUSHSW:
- pushflg = 0;
- continue;
-
- case ALIASW:
- if (!(cp = *argp++) || *cp == '-')
- adios(NULL, "missing argument to %s",
- argp[-2]);
- aliasflg = 1;
- if ((state = alias(cp)) != AK_OK)
- adios(NULL, "aliasing error in file %s - %s", cp, akerror(state));
- continue;
- case NALIASW:
- aliasflg = 0;
- continue;
-
- case LIBSW:
- if (!(cp = *argp++) || *cp == '-')
- adios(NULL, "missing argument to %s",
- argp[-2]);
- /* create a minimal context */
- if (context_foil(cp) == -1)
- done(1);
- continue;
}
}
if (msg)
- adios(NULL, "only one message at a time!");
+ adios(EX_USAGE, NULL, "only one message at a time!");
else
msg = cp;
}
if (!msg)
- adios(NULL, "usage: %s [switches] file", invo_name);
+ adios(EX_USAGE, NULL, "usage: %s [switches] file", invo_name);
if ((in = fopen(msg, "r")) == NULL)
- adios(msg, "unable to open");
+ adios(EX_IOERR, msg, "unable to open");
if (debug) {
verbose++;
out = stdout;
} else {
-#ifdef HAVE_MKSTEMP
- if ((out = fdopen(mkstemp(tmpfil), "w")) == NULL)
- adios(tmpfil, "unable to create");
-#else
- mktemp(tmpfil);
- if ((out = fopen(tmpfil, "w")) == NULL)
- adios(tmpfil, "unable to create");
- chmod(tmpfil, 0600);
-#endif
+ tmpfil = getcpy(m_mktemp2("/tmp/", invo_name, NULL, &out));
+ }
+
+ /* check for "Aliasfile:" profile entry */
+ if ((cp = context_find("Aliasfile"))) {
+ char *dp, **ap;
+
+ aliasflg = 1;
+ for (ap=brkstring(dp=getcpy(cp), " ", "\n"); ap && *ap;
+ ap++) {
+ if ((state = alias(etcpath(*ap))) != AK_OK) {
+ adios(EX_IOERR, NULL, "aliasing error in file %s: %s",
+ *ap, akerror(state));
+ }
+ }
}
+
hdrtab = (msgstate == normal) ? NHeaders : RHeaders;
for (compnum = 1, state = FLD;;) {
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;
}
if (debug) {
/* stop here */
- done(0);
+ exit(EX_OK);
}
fclose(out);
fcc(tmpfil, fccs);
}
- /* process Bcc */
if (bccs) {
- make_bcc_draft(tmpfil);
+ process_bccs(tmpfil);
+ if (!(msgflags & MVIS)) {
+ /* only Bcc rcpts: we're finished here */
+ unlink(tmpfil);
+ 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);
*argp++ = "-m"; /* send to me too */
*argp++ = "-t"; /* read msg for recipients */
*argp++ = "-i"; /* don't stop on "." */
- if (watch || verbose) {
+ if (verbose) {
*argp++ = "-v";
- pushflg = 0;
}
*argp = NULL;
-
- if (pushflg) {
- /* fork to a child to run sendmail */
- for (i=0; (pid = fork()) == NOTOK && i < 5; i++)
- sleep(5);
- switch (pid) {
- case NOTOK:
- fprintf(verbose ? stdout : stderr,
- "%s: can't fork to %s\n",
- invo_name, sendmail);
- exit(-1);
- case OK:
- /* we're the child .. */
- break;
- default:
- exit(0);
- }
- }
-
- if (0 /*bccs*/) {
- /* fork to a child to run sendmail */
- for (i=0; (pid = fork()) == NOTOK && i < 5; i++)
- sleep(5);
- switch (pid) {
- case NOTOK:
- fprintf(verbose ? stdout : stderr,
- "%s: can't fork to %s\n",
- invo_name, sendmail);
- exit(-1);
- case OK:
- /* we're the child .. */
- exit(0);
- default:
- exit(0);
- }
- }
-
execv(sendmail, sargv);
- adios(sendmail, "can't exec");
- return 0; /* dead code to satisfy the compiler */
+ adios(EX_OSERR, sendmail, "can't exec");
+ return -1;
}
+
/* DRAFT GENERATION */
static void
putfmt(char *name, char *str, FILE *out)
{
int i;
- char *cp, *pp;
+ char *cp;
struct headers *hdr;
- while (*str == ' ' || *str == '\t')
+ /* remove leading whitespace */
+ while (*str==' ' || *str=='\t') {
str++;
+ }
if ((i = get_header(name, hdrtab)) == NOTOK) {
- /* some boring header: push it through */
- fprintf(out, "%s: %s", name, str);
+ /* 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);
+ }
return;
}
- /* one of the interesting headers */
+ /* it's one of the interesting headers */
hdr = &hdrtab[i];
- if (hdr->flags & HIGN) {
+ if (hdr->flags & HIGN || strcmp(str, "\n")==0) {
return;
}
+
if (hdr->flags & HBAD) {
advise(NULL, "illegal header line -- %s:", name);
badmsg++;
return;
}
+
msgflags |= hdr->set;
- if (hdr->flags & HSUB) {
- if (subject) {
- /* concatenate mupliple subject */
- char *cp = concat(subject, "\t", str, NULL);
- free(subject);
- subject = cp;
- } else {
- subject = getcpy(str);
- }
+ if (hdr->flags & HFCC) {
+ process_fcc(str);
+ return;
}
- if (hdr->flags & HFCC) {
- if (strlen(str)+strlen(fccs) > sizeof fccs /2) {
- adios(NULL, "Too much Fcc data");
+ if (hdr->flags & HBCC) {
+ struct mailname *mp = NULL;
+
+ /* Create list of Bcc addrs. */
+ while ((cp = getname(str))) {
+ mp = getm(cp, NULL, 0, AD_HOST, NULL);
+ mp->m_next = bccs; /* push */
+ bccs = mp;
}
- /* todo: better have three states: SEPARATOR, PLUS, WORD */
- int state = 0;
- for (cp=pp=str; *cp; cp++) {
- switch (*cp) {
- case ' ':
- case '\t':
- case '\n':
- case ',':
- if (state != 0) {
- state = 0;
- *cp = '\0';
- if (*pp=='+' || *pp=='@') {
- strcat(fccs, " ");
- } else {
- strcat(fccs, " +");
- }
- strcat(fccs, pp);
- }
- break;
- default:
- if (state == 0) {
- state = 1;
- pp = cp;
- }
- break;
+ 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;
+ struct mailname *mp = NULL;
+
+ 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;
}
}
+ f = mp->m_next;
+ mp->m_next = NULL;
+ /* Now munch on the list, possibly expanding aliases */
+ putadr(name, f);
return;
}
- if (*str != '\n' && *str != '\0') {
- if (hdr->flags & HBCC) {
- struct mailname *mp = NULL;
+ /*
+ ** 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
+ */
- /* Create list of Bcc adds. */
- while ((cp = getname(str))) {
- mp = getm(cp, NULL, 0, AD_HOST, NULL);
- mp->m_next = bccs; /* push */
- bccs = mp;
- }
- } else 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. We then let putadr munch on that list,
- ** possibly expanding aliases.
- **/
- register struct mailname *f = 0;
- register struct mailname *mp = 0;
-
- while ((cp = getname(str))) {
- mp = getm(cp, NULL, 0, AD_HOST, NULL);
- if (f == 0) {
- f = mp;
- mp->m_next = mp;
- } else {
- mp->m_next = f->m_next;
- f->m_next = mp;
- f = mp;
- }
+ if (hdr->set & MFRM) {
+
+ struct mailname *mp = NULL;
+
+ /* This is need because the addresse parser hold global state */
+ ismymbox(NULL);
+
+ while ((cp = getname(str)) != NULL) {
+ mp = getm(cp, NULL, 0, AD_NAME, NULL);
+ if (ismymbox(mp)) {
+ msgflags |= MFMM;
}
- f = mp->m_next; mp->m_next = 0;
- putadr(name, f);
- } else {
- /*
- ** 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>
- */
- fprintf(out, "%s: %s", name, str);
}
}
+
+ if (hdr->flags & HSUB) {
+ subject = getcpy(str);
+ }
+ fprintf(out, "%s: %s", name, str);
}
char *resentstr = (msgstate == resent) ? "Resent-" : "";
if (!(msgflags & MDAT)) {
- fprintf(out, "%sDate: %s\n", resentstr, dtimenow(0));
+ fprintf(out, "%sDate: %s\n", resentstr, dtimenow());
}
- strncpy(from, getusername(), sizeof(from));
- if ((cp = getfullname()) && *cp) {
- snprintf(signature, sizeof(signature), "%s <%s>", cp, from);
+ 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);
} else {
- /* In case the From: header contains multiple addresses. */
- fprintf(out, "%sSender: %s\n", resentstr, from);
+ /*
+ ** Add a Sender: header because the From: header could
+ ** be fake or contain multiple addresses.
+ */
+ if (!(msgflags & MFMM)) {
+ fprintf(out, "%sSender: %s\n", resentstr, signature);
+ }
}
if (!(msgflags & MVIS)) {
- fprintf(out, "%sBcc: Blind Distribution List: ;\n", resentstr);
+ fprintf(out, "%sBcc: undisclosed-recipients:;\n", resentstr);
}
if (badmsg) {
- adios(NULL, "re-format message and try again");
+ unlink(tmpfil);
+ adios(EX_DATAERR, NULL, "re-format message and try again");
}
}
static void
+process_fcc(char *str)
+{
+ char *cp, *pp;
+ int state = 0;
+
+ if (strlen(str)+strlen(fccs) > sizeof fccs /2) {
+ adios(EX_DATAERR, NULL, "Too much Fcc data");
+ }
+ /* todo: better have three states: SEPARATOR, PLUS, WORD */
+ for (cp=pp=str; *cp; cp++) {
+ switch (*cp) {
+ case ' ':
+ case '\t':
+ case '\n':
+ case ',':
+ if (state != 0) {
+ state = 0;
+ *cp = '\0';
+ if (*pp=='+' || *pp=='@') {
+ strcat(fccs, " ");
+ } else {
+ strcat(fccs, " +");
+ }
+ strcat(fccs, pp);
+ }
+ break;
+ default:
+ if (state == 0) {
+ state = 1;
+ pp = cp;
+ }
+ break;
+ }
+ }
+}
+
+
+static void
fcc(char *file, char *folders)
{
int status;
folders);
fflush(stdout);
}
- if (strlen(fileproc)+strlen(file)+strlen(folders)+100 > sizeof cmd) {
- adios(NULL, "Too much Fcc data");
+ if (100+strlen(file)+strlen(folders) > sizeof cmd) {
+ 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 %s -link -file %s %s",
- fileproc, file, folders);
+ snprintf(cmd, sizeof cmd, "</dev/null refile -link -file '%s' %s",
+ file, folders);
status = system(cmd);
if (status == -1) {
fprintf(stderr, "Skipped %sFcc %s: unable to system().\n",
/* BCC GENERATION */
static void
-make_bcc_draft(char *draft)
+process_bccs(char *origmsg)
{
- int fd;
- FILE *out;
-
-#ifdef HAVE_MKSTEMP
- fd = mkstemp(bccfil);
- if (fd == -1 || (out = fdopen(fd, "w")) == NULL)
- adios(bccfil, "unable to create");
-#else
- mktemp(bccfil);
- if ((out = fopen(bccfil, "w")) == NULL)
- adios(bccfil, "unable to create");
-#endif
- chmod(bccfil, 0600);
-
- if (subject) {
- fprintf(out, "Subject: BCC: %s", subject);
- } else {
- fprintf(out, "Subject: BCC: message without subject");
+ char *bccdraft = NULL;
+ struct mailname *mp = NULL;
+ FILE *out = NULL;
+
+ for (mp=bccs; mp; mp=mp->m_next) {
+ bccdraft = getcpy(m_mktemp2("/tmp/", invo_name, NULL, &out));
+ fprintf(out, "To: %s\n", mp->m_text);
+ fprintf(out, "Subject: [BCC] %s", subject ? subject : "");
+ fprintf(out, "%s: %s\n", attach_hdr, origmsg);
+ fprintf(out, "------------\n");
+ fclose(out);
+
+ if (execprogl("send", "send", bccdraft, (char *)NULL) != 0) {
+ admonish(invo_name, "Problems to send Bcc to %s",
+ mp->m_text);
+ unlink(bccdraft);
+ }
}
- fprintf(out, "%s: %s\n", attach_hdr, draft);
- fprintf(out, "------------\n");
- fclose(out);
}