#include <h/utils.h>
#define MAX_SM_FIELD 1476 /* < largest hdr field sendmail will accept */
-#define FCCS 10 /* max number of fccs allowed */
struct swit switches[] = {
#define VERBSW 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: */
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 },
{ 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 },
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 *fccfold[FCCS]; /* foldernames for FCC'ing */
-static short fccind = 0; /* index into fccfold[] */
-struct mailname *bccs = NULL;
+static char fccs[BUFSIZ] = "";
+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 insert_fcc(char *, unsigned char *);
+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;
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));
}
hdrtab = (msgstate == normal) ? NHeaders : RHeaders;
fclose(out);
/* process Fcc */
- for (i=0; i<fccind; i++) {
- fcc(tmpfil, fccfold[i]);
- }
-
- /* process Bcc */
- if (bccs) {
- make_bcc_draft(tmpfil);
+ if (*fccs) {
+ fcc(tmpfil, fccs);
}
- /*
- ** re-open the temp file, unlink it and exec sendmail, giving it
- ** the msg temp file as std in.
- */
- if (!freopen(tmpfil, "r", stdin)) {
- adios(tmpfil, "can't reopen for sendmail");
- }
- unlink(tmpfil);
-
argp = sargv;
*argp++ = "send-mail";
*argp++ = "-m"; /* send to me too */
}
*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:
+ if (bccs) {
+ process_bccs(tmpfil);
+ if (!(msgflags & MVIS)) {
+ /* only Bcc rcpts: we're finished here */
+ unlink(tmpfil);
exit(0);
}
}
- if (0 /*bccs*/) {
+ /*
+ ** re-open the temp file, unlink it and exec sendmail, giving it
+ ** the msg temp file as std in.
+ */
+ if (!freopen(tmpfil, "r", stdin)) {
+ adios(tmpfil, "can't reopen for sendmail");
+ }
+ unlink(tmpfil);
+
+ if (pushflg) {
/* fork to a child to run sendmail */
- for (i=0; (pid = fork()) == NOTOK && i < 5; i++)
- sleep(5);
- switch (pid) {
+ switch (fork()) {
case NOTOK:
fprintf(verbose ? stdout : stderr,
"%s: can't fork to %s\n",
exit(-1);
case OK:
/* we're the child .. */
- exit(0);
+ break;
default:
exit(0);
}
}
-
execv(sendmail, sargv);
adios(sendmail, "can't exec");
- return 0; /* dead code to satisfy the compiler */
+ 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 all leading whitespace (even newlines) */
+ while (*str==' ' || *str=='\t' || *str=='\n') {
str++;
+ }
if ((i = get_header(name, hdrtab)) == NOTOK) {
- /* some boring header: push it through */
+ /* no header we would care for: 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 || !*str) {
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 ((cp = strrchr(str, '\n'))) {
- *cp = '\0';
- }
- for (cp = pp = str; (cp = strchr(pp, ',')); pp = cp) {
- *cp++ = '\0';
- insert_fcc(hdr->value, pp);
+ 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;
}
- insert_fcc(hdr->value, pp);
return;
}
- if (*str != '\n' && *str != '\0') {
- if (hdr->flags & HBCC) {
- struct mailname *mp = NULL;
-
- /* 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 (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 = 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);
}
+ 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 & HSUB) {
+ subject = getcpy(str);
+ }
+ fprintf(out, "%s: %s", name, str);
}
fprintf(out, "%sBcc: Blind Distribution List: ;\n", resentstr);
}
if (badmsg) {
+ unlink(tmpfil);
adios(NULL, "re-format message and try again");
}
}
}
-/*
-** Insert the normalized value from pp into fccfold[].
-*/
static void
-insert_fcc(char *name, unsigned char *pp)
+process_fcc(char *str)
{
- unsigned char *cp;
-
- for (cp = pp; isspace(*cp); cp++)
- continue;
- for (pp += strlen(pp) - 1; pp > cp && isspace(*pp); pp--)
- continue;
- if (pp >= cp)
- *++pp = '\0';
- if (!*cp)
- return;
+ char *cp, *pp;
+ int state = 0;
- if (fccind >= FCCS)
- adios(NULL, "too many %ss", name);
- fccfold[fccind++] = getcpy(cp);
+ if (strlen(str)+strlen(fccs) > sizeof fccs /2) {
+ adios(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 *folder)
+fcc(char *file, char *folders)
{
- pid_t child_id;
- int i, status;
- char fold[BUFSIZ];
+ int status;
+ char cmd[BUFSIZ];
- if (verbose)
+ if (verbose) {
printf("%sFcc: %s\n", msgstate == resent ? "Resent-" : "",
- folder);
- fflush(stdout);
-
- for (i = 0; (child_id = fork()) == NOTOK && i < 5; i++)
- sleep(5);
- switch (child_id) {
- case NOTOK:
- if (verbose) {
- printf("Sorry man, but we had no more forks.\n");
- } else {
- fprintf(stderr, "Skipped %sFcc %s: unable to fork.\n",
- msgstate == resent ? "Resent-" : "",
- folder);
- }
- break;
-
- case OK:
- snprintf(fold, sizeof(fold), "%s%s",
- *folder == '+' || *folder == '@' ? "" : "+",
- folder);
- execlp(fileproc, mhbasename(fileproc),
- "-link", "-file", file, fold, NULL);
- _exit(-1);
-
- default:
- if ((status = pidwait(child_id, OK))) {
- if (verbose) {
- printf(" errored (0%o)\n", status);
- } else {
- fprintf(stderr, " %sFcc %s: errored (0%o)\n",
- msgstate == resent ?
- "Resent-" : "", folder,
- status);
- }
- }
+ folders);
+ fflush(stdout);
+ }
+ if (strlen(fileproc)+strlen(file)+strlen(folders)+100 > sizeof cmd) {
+ adios(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);
+ status = system(cmd);
+ if (status == -1) {
+ fprintf(stderr, "Skipped %sFcc %s: unable to system().\n",
+ msgstate == resent ? "Resent-" : "", folders);
+ } else if (status != 0) {
+ fprintf(stderr, "%sFcc %s: Problems occured.\n",
+ msgstate == resent ? "Resent-" : "", folders);
}
-
- fflush(stdout);
}
/* 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;
+ char buf[BUFSIZ];
+ struct mailname *mp = NULL;
+ FILE *out = NULL;
+
+ for (mp=bccs; mp; mp=mp->m_next) {
+ /*
+ ** Note: This draft file will be left existing by send(1),
+ ** although renamed with backup prefix.
+ ** TODO: We should have it removed eventually.
+ */
+ 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);
+
+ snprintf(buf, sizeof buf, "%s%s %s", sendproc,
+ pushflg ? " -push" : "", bccdraft);
+ if (system(buf) != 0) {
+ admonish(invo_name, "Problems to send Bcc to %s",
+ mp->m_text);
+ unlink(bccdraft);
+ }
+ /* TODO: unlink renamed bcc draft after send(1) */
}
- fprintf(out, "%s: %s\n", attach_hdr, draft);
- fprintf(out, "------------\n");
- fclose(out);
}
projects / mmh / blobdiff