-
/*
- * rcvdist.c -- asynchronously redistribute messages
- *
- * $Id$
- */
+** rcvdist.c -- asynchronously redistribute messages
+**
+** This code is Copyright (c) 2002, by the authors of nmh. See the
+** COPYRIGHT file in the root directory of the nmh distribution for
+** complete copyright information.
+*/
#include <h/mh.h>
#include <h/fmt_scan.h>
#include <h/rcvmail.h>
-#include <zotnet/tws/tws.h>
+#include <h/tws.h>
+#include <h/utils.h>
static struct swit switches[] = {
-#define FORMSW 0
- { "form formfile", 4 },
-#define VERSIONSW 1
- { "version", 0 },
-#define HELPSW 2
- { "help", 4 },
- { NULL, 0 }
+#define FORMSW 0
+ { "form formfile", 4 },
+#define VERSIONSW 1
+ { "version", 0 },
+#define HELPSW 2
+ { "help", 0 },
+ { NULL, 0 }
};
static char backup[BUFSIZ] = "";
static char tmpfil[BUFSIZ] = "";
/*
- * prototypes
- */
-static void rcvdistout (FILE *, char *, char *);
-int done (int);
+** prototypes
+*/
+static void rcvdistout(FILE *, char *, char *);
+static void unlink_done(int) NORETURN;
int
-main (int argc, char **argv)
+main(int argc, char **argv)
{
- pid_t child_id;
- int i, vecp = 1;
- char *addrs = NULL, *cp, *form = NULL, buf[BUFSIZ];
- char **argp, **arguments, *vec[MAXARGS];
- register FILE *fp;
+ pid_t child_id;
+ int i, vecp = 1;
+ char *addrs = NULL, *cp, *form = NULL, buf[BUFSIZ];
+ char **argp, **arguments, *vec[MAXARGS];
+ FILE *fp;
+ char *tfile = NULL;
+
+ done=unlink_done;
#ifdef LOCALE
- setlocale(LC_ALL, "");
+ setlocale(LC_ALL, "");
#endif
- invo_name = r1bindex (argv[0], '/');
-
- /* read user profile/context */
- context_read();
-
- mts_init (invo_name);
- arguments = getarguments (invo_name, argc, argv, 1);
- argp = arguments;
-
- while ((cp = *argp++)) {
- if (*cp == '-') {
- switch (smatch (++cp, switches)) {
- case AMBIGSW:
- ambigsw (cp, switches);
- done (1);
- case UNKWNSW:
- vec[vecp++] = --cp;
- continue;
-
- case HELPSW:
- snprintf (buf, sizeof(buf),
- "%s [switches] [switches for postproc] address ...",
- invo_name);
- print_help (buf, switches, 1);
- done (1);
- case VERSIONSW:
- print_version(invo_name);
- done (1);
-
- case FORMSW:
- if (!(form = *argp++) || *form == '-')
- adios (NULL, "missing argument to %s", argp[-2]);
- continue;
- }
+ invo_name = mhbasename(argv[0]);
+
+ /* read user profile/context */
+ context_read();
+
+ arguments = getarguments(invo_name, argc, argv, 1);
+ argp = arguments;
+
+ while ((cp = *argp++)) {
+ if (*cp == '-') {
+ switch (smatch(++cp, switches)) {
+ case AMBIGSW:
+ ambigsw(cp, switches);
+ done(1);
+ case UNKWNSW:
+ vec[vecp++] = --cp;
+ continue;
+
+ case HELPSW:
+ snprintf(buf, sizeof(buf), "%s [switches] [switches for postproc] address ...", invo_name);
+ print_help(buf, switches, 1);
+ done(1);
+ case VERSIONSW:
+ print_version(invo_name);
+ done(1);
+
+ case FORMSW:
+ if (!(form = *argp++) || *form == '-')
+ adios(NULL, "missing argument to %s",
+ argp[-2]);
+ continue;
+ }
+ }
+ addrs = addrs ? add(cp, add(", ", addrs)) : getcpy(cp);
+ }
+
+ if (addrs == NULL)
+ adios(NULL, "usage: %s [switches] [switches for postproc] address ...", invo_name);
+
+ umask(~m_gmprot());
+
+ tfile = m_mktemp2(NULL, invo_name, NULL, &fp);
+ if (tfile == NULL) adios("rcvdist", "unable to create temporary file");
+ strncpy(tmpfil, tfile, sizeof(tmpfil));
+
+ cpydata(fileno(stdin), fileno(fp), "message", tmpfil);
+ fseek(fp, 0L, SEEK_SET);
+
+ tfile = m_mktemp2(NULL, invo_name, NULL, NULL);
+ if (tfile == NULL) adios("forw", "unable to create temporary file");
+ strncpy(drft, tfile, sizeof(tmpfil));
+
+ rcvdistout(fp, form, addrs);
+ fclose(fp);
+
+ if (distout(drft, tmpfil, backup) == NOTOK)
+ done(1);
+
+ vec[0] = mhbasename(postproc);
+ vec[vecp++] = "-dist";
+ vec[vecp++] = drft;
+ vec[vecp] = NULL;
+
+ for (i = 0; (child_id = fork()) == NOTOK && i < 5; i++)
+ sleep(5);
+ switch (child_id) {
+ case NOTOK:
+ admonish(NULL, "unable to fork");/* fall */
+ case OK:
+ execvp(postproc, vec);
+ fprintf(stderr, "unable to exec ");
+ perror(postproc);
+ _exit(1);
+
+ default:
+ done(pidXwait(child_id, postproc));
}
- addrs = addrs ? add (cp, add (", ", addrs)) : getcpy (cp);
- }
-
- if (addrs == NULL)
- adios (NULL, "usage: %s [switches] [switches for postproc] address ...",
- invo_name);
-
- umask (~m_gmprot ());
- strncpy (tmpfil, m_tmpfil (invo_name), sizeof(tmpfil));
- if ((fp = fopen (tmpfil, "w+")) == NULL)
- adios (tmpfil, "unable to create");
- cpydata (fileno (stdin), fileno (fp), "message", tmpfil);
- fseek (fp, 0L, SEEK_SET);
- strncpy (drft, m_tmpfil (invo_name), sizeof(drft));
- rcvdistout (fp, form, addrs);
- fclose (fp);
-
- if (distout (drft, tmpfil, backup) == NOTOK)
- done (1);
-
- vec[0] = r1bindex (postproc, '/');
- vec[vecp++] = "-dist";
- vec[vecp++] = drft;
- vec[vecp] = NULL;
-
- for (i = 0; (child_id = fork()) == NOTOK && i < 5; i++)
- sleep (5);
- switch (child_id) {
- case NOTOK:
- admonish (NULL, "unable to fork");/* fall */
- case OK:
- execvp (postproc, vec);
- fprintf (stderr, "unable to exec ");
- perror (postproc);
- _exit (1);
-
- default:
- done (pidXwait(child_id, postproc));
- }
-
- return 0; /* dead code to satisfy the compiler */
+
+ return 0; /* dead code to satisfy the compiler */
}
/* very similar to routine in replsbr.c */
-#define SBUFSIZ 256
-
-static int outputlinelen = OUTPUTLINELEN;
+#define SBUFSIZ 256
static struct format *fmt;
static int dat[5];
static char *addrcomps[] = {
- "from",
- "sender",
- "reply-to",
- "to",
- "cc",
- "bcc",
- "resent-from",
- "resent-sender",
- "resent-reply-to",
- "resent-to",
- "resent-cc",
- "resent-bcc",
- NULL
+ "from",
+ "sender",
+ "reply-to",
+ "to",
+ "cc",
+ "bcc",
+ "resent-from",
+ "resent-sender",
+ "resent-reply-to",
+ "resent-to",
+ "resent-cc",
+ "resent-bcc",
+ NULL
};
static void
-rcvdistout (FILE *inb, char *form, char *addrs)
+rcvdistout(FILE *inb, char *form, char *addrs)
{
- register int char_read = 0, format_len, i, state;
- register char *tmpbuf, **nxtbuf, **ap;
- char *cp, *scanl, name[NAMESZ];
- register struct comp *cptr, **savecomp;
- FILE *out;
-
- if (!(out = fopen (drft, "w")))
- adios (drft, "unable to create");
-
- /* get new format string */
- cp = new_fs (form ? form : rcvdistcomps, NULL, NULL);
- format_len = strlen (cp);
- ncomps = fmt_compile (cp, &fmt) + 1;
- if (!(nxtbuf = compbuffers = (char **) calloc ((size_t) ncomps, sizeof(char *))))
- adios (NULL, "unable to allocate component buffers");
- if (!(savecomp = used_buf = (struct comp **) calloc ((size_t) (ncomps + 1), sizeof(struct comp *))))
- adios (NULL, "unable to allocate component buffer stack");
- savecomp += ncomps + 1;
- *--savecomp = 0;
-
- for (i = ncomps; i--;)
- if (!(*nxtbuf++ = malloc (SBUFSIZ)))
- adios (NULL, "unable to allocate component buffer");
- nxtbuf = compbuffers;
- tmpbuf = *nxtbuf++;
-
- for (ap = addrcomps; *ap; ap++) {
- FINDCOMP (cptr, *ap);
- if (cptr)
- cptr->c_type |= CT_ADDR;
- }
-
- FINDCOMP (cptr, "addresses");
- if (cptr)
- cptr->c_text = addrs;
-
- for (state = FLD;;) {
- switch (state = m_getfld (state, name, tmpbuf, SBUFSIZ, inb)) {
- case FLD:
- case FLDPLUS:
- if ((cptr = wantcomp[CHASH (name)]))
- do {
- if (!strcasecmp (name, cptr->c_name)) {
- char_read += msg_count;
- if (!cptr->c_text) {
- cptr->c_text = tmpbuf;
- *--savecomp = cptr;
- tmpbuf = *nxtbuf++;
- }
- else {
- i = strlen (cp = cptr->c_text) - 1;
- if (cp[i] == '\n') {
- if (cptr->c_type & CT_ADDR) {
- cp[i] = 0;
- cp = add (",\n\t", cp);
- }
- else
- cp = add ("\t", cp);
- }
- cptr->c_text = add (tmpbuf, cp);
- }
- while (state == FLDPLUS) {
- state = m_getfld (state, name, tmpbuf,
- SBUFSIZ, inb);
- cptr->c_text = add (tmpbuf, cptr->c_text);
- char_read += msg_count;
- }
- break;
- }
- } while ((cptr = cptr->c_next));
-
- while (state == FLDPLUS)
- state = m_getfld (state, name, tmpbuf, SBUFSIZ, inb);
- break;
-
- case LENERR:
- case FMTERR:
- case BODY:
- case FILEEOF:
- goto finished;
+ register int char_read = 0, format_len, i, state;
+ register char *tmpbuf, **nxtbuf, **ap;
+ char *cp, *scanl, name[NAMESZ];
+ register struct comp *cptr, **savecomp;
+ FILE *out;
+
+ if (!(out = fopen(drft, "w")))
+ adios(drft, "unable to create");
+
+ /* get new format string */
+ cp = new_fs(form ? form : rcvdistcomps, NULL, NULL);
+ format_len = strlen(cp);
+ ncomps = fmt_compile(cp, &fmt) + 1;
+ if (!(nxtbuf = compbuffers =
+ (char **) calloc((size_t) ncomps, sizeof(char *))))
+ adios(NULL, "unable to allocate component buffers");
+ if (!(savecomp = used_buf =
+ (struct comp **) calloc((size_t) (ncomps + 1),
+ sizeof(struct comp *))))
+ adios(NULL, "unable to allocate component buffer stack");
+ savecomp += ncomps + 1;
+ *--savecomp = 0;
+
+ for (i = ncomps; i--;)
+ *nxtbuf++ = mh_xmalloc(SBUFSIZ);
+ nxtbuf = compbuffers;
+ tmpbuf = *nxtbuf++;
+
+ for (ap = addrcomps; *ap; ap++) {
+ FINDCOMP(cptr, *ap);
+ if (cptr)
+ cptr->c_type |= CT_ADDR;
+ }
- default:
- adios (NULL, "m_getfld() returned %d", state);
+ FINDCOMP(cptr, "addresses");
+ if (cptr)
+ cptr->c_text = addrs;
+
+ for (state = FLD;;) {
+ switch (state = m_getfld(state, name, tmpbuf, SBUFSIZ, inb)) {
+ case FLD:
+ case FLDPLUS:
+ if ((cptr = wantcomp[CHASH(name)]))
+ do {
+ if (!mh_strcasecmp(name, cptr->c_name)) {
+ char_read += msg_count;
+ if (!cptr->c_text) {
+ cptr->c_text = tmpbuf;
+ *--savecomp = cptr;
+ tmpbuf = *nxtbuf++;
+ } else {
+ i = strlen(cp = cptr->c_text) - 1;
+ if (cp[i] == '\n') {
+ if (cptr->c_type & CT_ADDR) {
+ cp[i] = 0;
+ cp = add(",\n\t", cp);
+ } else
+ cp = add("\t", cp);
+ }
+ cptr->c_text = add(tmpbuf, cp);
+ }
+ while (state == FLDPLUS) {
+ state = m_getfld(state, name, tmpbuf, SBUFSIZ, inb);
+ cptr->c_text = add(tmpbuf, cptr->c_text);
+ char_read += msg_count;
+ }
+ break;
+ }
+ } while ((cptr = cptr->c_next));
+
+ while (state == FLDPLUS)
+ state = m_getfld(state, name, tmpbuf, SBUFSIZ, inb);
+ break;
+
+ case LENERR:
+ case FMTERR:
+ case BODY:
+ case FILEEOF:
+ goto finished;
+
+ default:
+ adios(NULL, "m_getfld() returned %d", state);
+ }
}
- }
finished: ;
- i = format_len + char_read + 256;
- scanl = malloc ((size_t) i + 2);
- dat[0] = dat[1] = dat[2] = dat[4] = 0;
- dat[3] = outputlinelen;
- fmt_scan (fmt, scanl, i, dat);
- fputs (scanl, out);
-
- if (ferror (out))
- adios (drft, "error writing");
- fclose (out);
-
- free (scanl);
- for (nxtbuf = compbuffers, i = ncomps; (cptr = *savecomp++); nxtbuf++, i--)
- free (cptr->c_text);
- while (i-- > 0)
- free (*nxtbuf++);
- free ((char *) compbuffers);
- free ((char *) used_buf);
+ i = format_len + char_read + 256;
+ scanl = mh_xmalloc((size_t) i + 2);
+ dat[0] = dat[1] = dat[2] = dat[4] = 0;
+ dat[3] = OUTPUTLINELEN;
+ fmt_scan(fmt, scanl, i, dat);
+ fputs(scanl, out);
+
+ if (ferror(out))
+ adios(drft, "error writing");
+ fclose(out);
+
+ free(scanl);
+ for (nxtbuf = compbuffers, i = ncomps; (cptr = *savecomp++);
+ nxtbuf++, i--)
+ free(cptr->c_text);
+ while (i-- > 0)
+ free(*nxtbuf++);
+ free((char *) compbuffers);
+ free((char *) used_buf);
}
-int
-done (int status)
+static void
+unlink_done(int status)
{
- if (backup[0])
- unlink (backup);
- if (drft[0])
- unlink (drft);
- if (tmpfil[0])
- unlink (tmpfil);
-
- exit (status ? RCV_MBX : RCV_MOK);
- return 1; /* dead code to satisfy the compiler */
+ if (backup[0])
+ unlink(backup);
+ if (drft[0])
+ unlink(drft);
+ if (tmpfil[0])
+ unlink(tmpfil);
+
+ exit(status ? RCV_MBX : RCV_MOK);
}