-
/*
- * inc.c -- incorporate messages from a maildrop into a folder
- *
- * 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.
- */
+** inc.c -- incorporate messages from a maildrop into a folder
+**
+** 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.
+*/
#ifdef MAILGROUP
-/* Revised: Sat Apr 14 17:08:17 PDT 1990 (marvit@hplabs)
- * Added hpux hacks to set and reset gid to be "mail" as needed. The reset
- * is necessary so inc'ed mail is the group of the inc'er, rather than
- * "mail". We setgid to egid only when [un]locking the mail file. This
- * is also a major security precaution which will not be explained here.
- *
- * Fri Feb 7 16:04:57 PST 1992 John Romine <bug-mh@ics.uci.edu>
- * NB: I'm not 100% sure that this setgid stuff is secure even now.
- *
- * See the *GROUPPRIVS() macros later. I'm reasonably happy with the setgid
- * attribute. Running setuid root is probably not a terribly good idea, though.
- * -- Peter Maydell <pmaydell@chiark.greenend.org.uk>, 04/1998
- *
- * Peter Maydell's patch slightly modified for nmh 0.28-pre2.
- * Ruud de Rooij <ruud@debian.org> Wed, 22 Jul 1998 13:24:22 +0200
- */
+/*
+** Revised: Sat Apr 14 17:08:17 PDT 1990 (marvit@hplabs)
+** Added hpux hacks to set and reset gid to be "mail" as needed. The reset
+** is necessary so inc'ed mail is the group of the inc'er, rather than
+** "mail". We setgid to egid only when [un]locking the mail file. This
+** is also a major security precaution which will not be explained here.
+**
+** Fri Feb 7 16:04:57 PST 1992 John Romine <bug-mh@ics.uci.edu>
+** NB: I'm not 100% sure that this setgid stuff is secure even now.
+**
+** See the *GROUPPRIVS() macros later. I'm reasonably happy with the setgid
+** attribute. Running setuid root is probably not a terribly good idea, though.
+** -- Peter Maydell <pmaydell@chiark.greenend.org.uk>, 04/1998
+**
+** Peter Maydell's patch slightly modified for nmh 0.28-pre2.
+** Ruud de Rooij <ruud@debian.org> Wed, 22 Jul 1998 13:24:22 +0200
+*/
#endif
#include <h/mh.h>
#include <h/utils.h>
#include <fcntl.h>
-
#include <h/fmt_scan.h>
#include <h/scansbr.h>
#include <h/signals.h>
#include <h/tws.h>
-#include <h/mts.h>
#include <errno.h>
#include <signal.h>
+#include <unistd.h>
+#include <sys/stat.h>
+#include <locale.h>
+#include <sysexits.h>
+
+#ifdef HAVE_SYS_PARAM_H
+# include <sys/param.h>
+#endif
static struct swit switches[] = {
-#define AUDSW 0
- { "audit audit-file", 0 },
-#define NAUDSW 1
- { "noaudit", 0 },
-#define CHGSW 2
- { "changecur", 0 },
-#define NCHGSW 3
- { "nochangecur", 0 },
-#define FILESW 4
- { "file name", 0 },
-#define FORMSW 5
- { "form formatfile", 0 },
-#define FMTSW 6
- { "format string", 5 },
-#define SILSW 12
- { "silent", 0 },
-#define NSILSW 13
- { "nosilent", 0 },
-#define TRNCSW 14
- { "truncate", 0 },
-#define NTRNCSW 15
- { "notruncate", 0 },
-#define WIDTHSW 16
- { "width columns", 0 },
-#define VERSIONSW 17
- { "version", 0 },
-#define HELPSW 18
- { "help", 0 },
+#define AUDSW 0
+ { "audit audit-file", 0 },
+#define NAUDSW 1
+ { "noaudit", 2 },
+#define CHGSW 2
+ { "changecur", 0 },
+#define NCHGSW 3
+ { "nochangecur", 2 },
+#define FILESW 4
+ { "file name", 0 },
+#define FORMSW 5
+ { "form formatfile", 0 },
+#define SILSW 6
+ { "silent", 0 },
+#define NSILSW 7
+ { "nosilent", 2 },
+#define TRNCSW 8
+ { "truncate", 0 },
+#define NTRNCSW 9
+ { "notruncate", 2 },
+#define WIDTHSW 10
+ { "width columns", 0 },
+#define VERSIONSW 11
+ { "Version", 0 },
+#define HELPSW 12
+ { "help", 0 },
+ { NULL, 0 },
};
-/* This is an attempt to simplify things by putting all the
- * privilege ops into macros.
- * *GROUPPRIVS() is related to handling the setgid MAIL property,
- * and only applies if MAILGROUP is defined.
- * Basically, SAVEGROUPPRIVS() is called right at the top of main()
- * to initialise things, and then DROPGROUPPRIVS() and GETGROUPPRIVS()
- * do the obvious thing. TRYDROPGROUPPRIVS() has to be safe to call
- * before DROPUSERPRIVS() is called [this is needed because setgid()
- * sets both effective and real uids if euid is root.]
- *
- * There's probably a better implementation if we're allowed to use
- * BSD-style setreuid() rather than using POSIX saved-ids.
- * Anyway, if you're euid root it's a bit pointless to drop the group
- * permissions...
- *
- * I'm pretty happy that the security is good provided we aren't setuid root.
- * The only things we trust with group=mail privilege are lkfopen()
- * and lkfclose().
- */
+char *version=VERSION;
+
+/*
+** This is an attempt to simplify things by putting all the
+** privilege ops into macros.
+** *GROUPPRIVS() is related to handling the setgid MAIL property,
+** and only applies if MAILGROUP is defined.
+** Basically, SAVEGROUPPRIVS() is called right at the top of main()
+** to initialise things, and then DROPGROUPPRIVS() and GETGROUPPRIVS()
+** do the obvious thing. TRYDROPGROUPPRIVS() has to be safe to call
+** before DROPUSERPRIVS() is called [this is needed because setgid()
+** sets both effective and real uids if euid is root.]
+**
+** There's probably a better implementation if we're allowed to use
+** BSD-style setreuid() rather than using POSIX saved-ids.
+** Anyway, if you're euid root it's a bit pointless to drop the group
+** permissions...
+**
+** I'm pretty happy that the security is good provided we aren't setuid root.
+** The only things we trust with group=mail privilege are lkfopen()
+** and lkfclose().
+*/
/*
- * For setting and returning to "mail" gid
- */
+** For setting and returning to "mail" gid
+*/
#ifdef MAILGROUP
static int return_gid;
-/* easy case; we're not setuid root, so can drop group privs
- * immediately.
- */
+/*
+** easy case; we're not setuid root, so can drop group privs immediately.
+*/
#define TRYDROPGROUPPRIVS() DROPGROUPPRIVS()
-#define DROPGROUPPRIVS() setgid(getgid())
-#define GETGROUPPRIVS() setgid(return_gid)
+#define DROPGROUPPRIVS() \
+ if (setegid(getgid()) != 0) { \
+ advise ("setegid", "unable to set group to %ld", (long) getgid()); \
+ _exit (EX_OSERR); \
+ }
+#define GETGROUPPRIVS() \
+ if (setegid(return_gid) != 0) { \
+ advise ("setegid", "unable to set group to %ld", (long) return_gid); \
+ _exit (EX_OSERR); \
+ }
#define SAVEGROUPPRIVS() return_gid = getegid()
#else
/* define *GROUPPRIVS() as null; this avoids having lots of "#ifdef MAILGROUP"s */
#define SAVEGROUPPRIVS()
#endif /* not MAILGROUP */
-/* these variables have to be globals so that done() can correctly clean up the lockfile */
+/*
+** these variables have to be globals so that done() can correctly clean
+** up the lockfile
+*/
static int locked = 0;
static char *newmail;
static FILE *in;
/*
- * prototypes
- */
-char *map_name(char *);
-
-static void inc_done(int) NORETURN;
+** prototypes
+*/
+void inc_done();
int
-main (int argc, char **argv)
+main(int argc, char **argv)
{
- int chgflag = 1, trnflag = 1;
- int noisy = 1, width = 0;
- int hghnum = 0, msgnum = 0;
- int incerr = 0; /* <0 if inc hits an error which means it should not truncate mailspool */
- char *cp, *maildir = NULL, *folder = NULL;
- char *format = NULL, *form = NULL;
- char *audfile = NULL, *from = NULL;
- char buf[BUFSIZ], **argp, *nfs, **arguments;
- struct msgs *mp = NULL;
- struct stat st, s1;
- FILE *aud = NULL;
- char b[MAXPATHLEN + 1];
- char *maildir_copy = NULL; /* copy of mail directory because the static gets overwritten */
-
-#ifdef MHE
- FILE *mhe = NULL;
-#endif
-
- done=inc_done;
-
-/* absolutely the first thing we do is save our privileges,
- * and drop them if we can.
- */
- SAVEGROUPPRIVS();
- TRYDROPGROUPPRIVS();
+ int chgflag = 1, trnflag = 1;
+ int noisy = 1, width = 0;
+ int hghnum = 0, msgnum = 0;
+ int incerr = 0; /*
+ ** <0 if inc hits an error which means it should
+ ** not truncate mailspool
+ */
+ char *cp, *maildir = NULL, *folder = NULL;
+ char *form = NULL;
+ char *audfile = NULL, *from = NULL;
+ char buf[BUFSIZ], **argp, *fmtstr, **arguments;
+ struct msgs *mp = NULL;
+ struct stat st, s1;
+ FILE *aud = NULL;
+ char b[MAXPATHLEN + 1];
+ /* copy of mail directory because the static gets overwritten */
+ char *maildir_copy = NULL;
+
+ if (atexit(inc_done) != 0) {
+ adios(EX_OSERR, NULL, "atexit failed");
+ }
-#ifdef LOCALE
- 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:
- adios (NULL, "-%s unknown", cp);
-
- case HELPSW:
- snprintf (buf, sizeof(buf), "%s [+folder] [switches]", invo_name);
- print_help (buf, switches, 1);
- done (1);
- case VERSIONSW:
- print_version(invo_name);
- done (1);
-
- case AUDSW:
- if (!(cp = *argp++) || *cp == '-')
- adios (NULL, "missing argument to %s", argp[-2]);
- audfile = getcpy (m_maildir (cp));
- continue;
- case NAUDSW:
- audfile = NULL;
- continue;
-
- case CHGSW:
- chgflag++;
- continue;
- case NCHGSW:
- chgflag = 0;
- continue;
-
- /*
- * The flag `trnflag' has the value:
- *
- * 2 if -truncate is given
- * 1 by default (truncating is default)
- * 0 if -notruncate is given
- */
- case TRNCSW:
- trnflag = 2;
- continue;
- case NTRNCSW:
- trnflag = 0;
- continue;
+ /*
+ ** absolutely the first thing we do is save our privileges,
+ ** and drop them if we can.
+ */
+ SAVEGROUPPRIVS();
+ TRYDROPGROUPPRIVS();
+
+ setlocale(LC_ALL, "");
+ invo_name = mhbasename(argv[0]);
+
+ 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);
+ exit(EX_USAGE);
+ case UNKWNSW:
+ adios(EX_USAGE, NULL, "-%s unknown", cp);
+
+ case HELPSW:
+ snprintf(buf, sizeof(buf), "%s [+folder] [switches]", invo_name);
+ print_help(buf, switches, 1);
+ exit(argc == 2 ? EX_OK : EX_USAGE);
+ case VERSIONSW:
+ print_version(invo_name);
+ exit(argc == 2 ? EX_OK : EX_USAGE);
+
+ case AUDSW:
+ if (!(cp = *argp++) || *cp == '-')
+ adios(EX_USAGE, NULL, "missing argument to %s", argp[-2]);
+ audfile = mh_xstrdup(expanddir(cp));
+ continue;
+ case NAUDSW:
+ audfile = NULL;
+ continue;
+
+ case CHGSW:
+ chgflag++;
+ continue;
+ case NCHGSW:
+ chgflag = 0;
+ continue;
+
+ /*
+ ** The flag `trnflag' has the value:
+ **
+ ** 2 if -truncate is given
+ ** 1 by default (truncating is default)
+ ** 0 if -notruncate is given
+ */
+ case TRNCSW:
+ trnflag = 2;
+ continue;
+ case NTRNCSW:
+ trnflag = 0;
+ continue;
+
+ case FILESW:
+ if (!(cp = *argp++))
+ adios(EX_USAGE, NULL, "missing argument to %s",
+ argp[-2]);
+ from = (strcmp(cp, "-")==0) ? "-" : mh_xstrdup(expanddir(cp));
+
+ /*
+ ** If the truncate file is in default state,
+ ** change to not truncate.
+ */
+ if (trnflag == 1)
+ trnflag = 0;
+ continue;
+
+ case SILSW:
+ noisy = 0;
+ continue;
+ case NSILSW:
+ noisy++;
+ continue;
+
+ case FORMSW:
+ if (!(form = *argp++) || *form == '-')
+ adios(EX_USAGE, NULL, "missing argument to %s",
+ argp[-2]);
+ continue;
+
+ case WIDTHSW:
+ if (!(cp = *argp++) || *cp == '-')
+ adios(EX_USAGE, NULL, "missing argument to %s",
+ argp[-2]);
+ width = atoi(cp);
+ continue;
+ }
+ }
+ if (*cp == '+' || *cp == '@') {
+ if (folder)
+ adios(EX_USAGE, NULL, "only one folder at a time!");
+ else
+ folder = mh_xstrdup(expandfol(cp));
+ } else {
+ adios(EX_USAGE, NULL, "usage: %s [+folder] [switches]",
+ invo_name);
+ }
+ }
- case FILESW:
- if (!(cp = *argp++) || *cp == '-')
- adios (NULL, "missing argument to %s", argp[-2]);
- from = path (cp, TFILE);
+ /*
+ ** NOTE: above this point you should use TRYDROPGROUPPRIVS(),
+ ** not DROPGROUPPRIVS().
+ */
+ /* guarantee dropping group privileges; we might not have done so earlier */
+ DROPGROUPPRIVS();
- /*
- * If the truncate file is in default state,
- * change to not truncate.
- */
- if (trnflag == 1)
- trnflag = 0;
- continue;
-
- case SILSW:
- noisy = 0;
- continue;
- case NSILSW:
- noisy++;
- continue;
-
- case FORMSW:
- if (!(form = *argp++) || *form == '-')
- adios (NULL, "missing argument to %s", argp[-2]);
- format = NULL;
- continue;
- case FMTSW:
- if (!(format = *argp++) || *format == '-')
- adios (NULL, "missing argument to %s", argp[-2]);
- form = NULL;
- continue;
-
- case WIDTHSW:
- if (!(cp = *argp++) || *cp == '-')
- adios (NULL, "missing argument to %s", argp[-2]);
- width = atoi (cp);
- continue;
- }
- }
- if (*cp == '+' || *cp == '@') {
- if (folder)
- adios (NULL, "only one folder at a time!");
- else
- folder = pluspath (cp);
+ if (from && strcmp(from, "-")==0) {
+ /* We'll read mail from stdin. */
+ newmail = NULL;
} else {
- adios (NULL, "usage: %s [+folder] [switches]", invo_name);
+ /* We'll read mail from a file. */
+ if (from)
+ newmail = from;
+ else if ((newmail = getenv("MAILDROP")) && *newmail)
+ newmail = toabsdir(newmail);
+ else if ((newmail = context_find("maildrop")) && *newmail)
+ newmail = toabsdir(newmail);
+ else {
+ newmail = concat(mailspool, "/", getusername(), NULL);
+ }
+ if (stat(newmail, &s1) == NOTOK || s1.st_size == 0)
+ adios(EX_DATAERR, NULL, "no mail to incorporate");
+
+ if ((cp = strdup(newmail)) == NULL)
+ adios(EX_OSERR, NULL, "error allocating memory to copy newmail");
+
+ newmail = cp;
}
- }
- /* NOTE: above this point you should use TRYDROPGROUPPRIVS(),
- * not DROPGROUPPRIVS().
- */
- /* guarantee dropping group priveleges; we might not have done so earlier */
- DROPGROUPPRIVS();
-
- /*
- * We will get the mail from a file
- * (typically the standard maildrop)
- */
- if (from)
- newmail = from;
- else if ((newmail = getenv ("MAILDROP")) && *newmail)
- newmail = m_mailpath (newmail);
- else if ((newmail = context_find ("maildrop")) && *newmail)
- newmail = m_mailpath (newmail);
- else {
- newmail = concat (MAILDIR, "/", MAILFIL, NULL);
- }
- if (stat (newmail, &s1) == NOTOK || s1.st_size == 0)
- adios (NULL, "no mail to incorporate");
-
- if ((cp = strdup(newmail)) == (char *)0)
- adios (NULL, "error allocating memory to copy newmail");
-
- newmail = cp;
-
- if (!context_find ("path"))
- free (path ("./", TFOLDER));
- if (!folder)
- folder = getfolder (0);
- maildir = m_maildir (folder);
-
- if ((maildir_copy = strdup(maildir)) == (char *)0)
- adios (maildir, "error allocating memory to copy maildir");
-
- if (!folder_exists(maildir)) {
- /* If the folder doesn't exist, and we're given the -silent flag,
- * just fail.
- */
- if (noisy)
- create_folder(maildir, 0, done);
- else
- done (1);
- }
+ if (!folder)
+ folder = getdeffol();
+ maildir = toabsdir(folder);
- if (chdir (maildir) == NOTOK)
- adios (maildir, "unable to change directory to");
+ if ((maildir_copy = strdup(maildir)) == NULL)
+ adios(EX_OSERR, maildir, "error allocating memory to copy maildir");
- /* read folder and create message structure */
- if (!(mp = folder_read (folder)))
- adios (NULL, "unable to read folder %s", folder);
+ create_folder(maildir, noisy ? 0 : 1, exit);
- if (access (newmail, W_OK) != NOTOK) {
- locked++;
- if (trnflag) {
- SIGNAL (SIGHUP, SIG_IGN);
- SIGNAL (SIGINT, SIG_IGN);
- SIGNAL (SIGQUIT, SIG_IGN);
- SIGNAL (SIGTERM, SIG_IGN);
- }
+ if (chdir(maildir) == NOTOK)
+ adios(EX_OSERR, maildir, "unable to change directory to");
- GETGROUPPRIVS(); /* Reset gid to lock mail file */
- in = lkfopen (newmail, "r");
- DROPGROUPPRIVS();
- if (in == NULL)
- adios (NULL, "unable to lock and fopen %s", newmail);
- fstat (fileno(in), &s1);
- } else {
- trnflag = 0;
- if ((in = fopen (newmail, "r")) == NULL)
- adios (newmail, "unable to read");
- }
+ if (!(mp = folder_read(folder)))
+ adios(EX_IOERR, NULL, "unable to read folder %s", folder);
- /* This shouldn't be necessary but it can't hurt. */
- DROPGROUPPRIVS();
+ if (!newmail) {
+ trnflag = 0;
+ in = stdin;
+ } else if (access(newmail, W_OK) != NOTOK) {
+ locked++;
+ if (trnflag) {
+ SIGNAL(SIGHUP, SIG_IGN);
+ SIGNAL(SIGINT, SIG_IGN);
+ SIGNAL(SIGQUIT, SIG_IGN);
+ SIGNAL(SIGTERM, SIG_IGN);
+ }
+
+ GETGROUPPRIVS(); /* Reset gid to lock mail file */
+ in = lkfopen(newmail, "r");
+ DROPGROUPPRIVS();
+ if (in == NULL)
+ adios(EX_IOERR, NULL, "unable to lock and fopen %s", newmail);
+ fstat(fileno(in), &s1);
+ } else {
+ trnflag = 0;
+ if ((in = fopen(newmail, "r")) == NULL)
+ adios(EX_IOERR, newmail, "unable to read");
+ }
- if (audfile) {
- int i;
- if ((i = stat (audfile, &st)) == NOTOK)
- advise (NULL, "Creating Receive-Audit: %s", audfile);
- if ((aud = fopen (audfile, "a")) == NULL)
- adios (audfile, "unable to append to");
- else if (i == NOTOK)
- chmod (audfile, m_gmprot ());
+ /* This shouldn't be necessary but it can't hurt. */
+ DROPGROUPPRIVS();
- fprintf (aud, from ? "<<inc>> %s -ms %s\n" : "<<inc>> %s\n",
- dtimenow (0), from);
- }
+ if (audfile) {
+ int i;
+ if ((i = stat(audfile, &st)) == NOTOK)
+ advise(NULL, "Creating Receive-Audit: %s", audfile);
+ if ((aud = fopen(audfile, "a")) == NULL)
+ adios(EX_IOERR, audfile, "unable to append to");
+ else if (i == NOTOK)
+ chmod(audfile, m_gmprot());
-#ifdef MHE
- if (context_find ("mhe")) {
- int i;
- cp = concat (maildir, "/++", NULL);
- i = stat (cp, &st);
- if ((mhe = fopen (cp, "a")) == NULL)
- admonish (cp, "unable to append to");
- else
- if (i == NOTOK)
- chmod (cp, m_gmprot ());
- free (cp);
- }
-#endif /* MHE */
+ fprintf(aud, from ? "<<inc>> %s -ms %s\n" : "<<inc>> %s\n",
+ dtimenow(), from);
+ }
- /* Get new format string */
- nfs = new_fs (form, format, FORMAT);
+ /* Set format string */
+ fmtstr = new_fs(form, scanformat);
- if (noisy) {
- printf ("Incorporating new mail into %s...\n\n", folder);
- fflush (stdout);
- }
+ if (noisy) {
+ printf("Incorporating new mail into %s...\n\n", folder);
+ fflush(stdout);
+ }
- /*
- * Get the mail from file (usually mail spool)
- */
- m_unknown (in); /* the MAGIC invocation... */
- hghnum = msgnum = mp->hghmsg;
- for (;;) {
- /*
- * Check if we need to allocate more space for message status.
- * If so, then add space for an additional 100 messages.
- */
- if (msgnum >= mp->hghoff
- && !(mp = folder_realloc (mp, mp->lowoff, mp->hghoff + 100))) {
- advise (NULL, "unable to allocate folder storage");
- incerr = NOTOK;
- break;
- }
-
- /* create scanline for new message */
- switch (incerr = scan (in, msgnum + 1, msgnum + 1, nfs, width,
- msgnum == hghnum && chgflag, 1, NULL, 0L, noisy)) {
- case SCNFAT:
- case SCNEOF:
- break;
-
- case SCNERR:
- if (aud)
- fputs ("inc aborted!\n", aud);
- advise (NULL, "aborted!"); /* doesn't clean up locks! */
- break;
-
- case SCNNUM:
- advise (NULL, "BUG in %s, number out of range", invo_name);
- break;
-
- default:
- advise (NULL, "BUG in %s, scan() botch (%d)", invo_name, incerr);
- break;
-
- case SCNMSG:
- case SCNENC:
- /*
- * Run the external program hook on the message.
- */
-
- (void)snprintf(b, sizeof (b), "%s/%d", maildir_copy, msgnum + 1);
- (void)ext_hook("add-hook", b, (char *)0);
-
- if (aud)
- fputs (scanl, aud);
-#ifdef MHE
- if (mhe)
- fputs (scanl, mhe);
-#endif /* MHE */
- if (noisy)
- fflush (stdout);
- msgnum++;
- mp->hghmsg++;
- mp->nummsg++;
- if (mp->lowmsg == 0)
- mp->lowmsg = 1;
- clear_msg_flags (mp, msgnum);
- set_exists (mp, msgnum);
- set_unseen (mp, msgnum);
- mp->msgflags |= SEQMOD;
- continue;
- }
- /* If we get here there was some sort of error from scan(),
- * so stop processing anything more from the spool.
- */
- break;
- }
+ /* check if readable and nonempty */
+ if (!fgets(buf, sizeof(buf), in)) {
+ if (ferror(in)) {
+ advise("read", "unable to");
+ incerr = SCNFAT;
+ } else {
+ incerr = SCNEOF;
+ }
+ goto giveup;
+ }
+ if (strncmp("From ", buf, 5)!=0) {
+ advise(NULL, "not in mbox format");
+ incerr = SCNFAT;
+ goto giveup;
+ }
- if (incerr < 0) { /* error */
- if (locked) {
- GETGROUPPRIVS(); /* Be sure we can unlock mail file */
- (void) lkfclose (in, newmail); in = NULL;
- DROPGROUPPRIVS(); /* And then return us to normal privileges */
- } else {
- fclose (in); in = NULL;
+ /*
+ ** Get the mail from file (usually mail spool)
+ */
+ hghnum = msgnum = mp->hghmsg;
+ for (;;) {
+ /*
+ ** Check if we need to allocate more space for message status.
+ ** If so, then add space for an additional 100 messages.
+ */
+ if (msgnum >= mp->hghoff && !(mp = folder_realloc(mp, mp->lowoff, mp->hghoff + 100))) {
+ advise(NULL, "unable to allocate folder storage");
+ incerr = NOTOK;
+ break;
+ }
+
+ /* create scanline for new message */
+ switch (incerr = scan(in, msgnum + 1, msgnum + 1,
+ noisy ? fmtstr : NULL, width,
+ msgnum == hghnum && chgflag, 1)) {
+ case SCNFAT:
+ case SCNEOF:
+ break;
+
+ case SCNERR:
+ if (aud)
+ fputs("inc aborted!\n", aud);
+ /* doesn't clean up locks! */
+ advise(NULL, "aborted!");
+ break;
+
+ case SCNNUM:
+ advise(NULL, "BUG in %s, number out of range",
+ invo_name);
+ break;
+
+ default:
+ advise(NULL, "BUG in %s, scan() botch (%d)",
+ invo_name, incerr);
+ break;
+
+ case SCNMSG:
+ /*
+ ** Run the external program hook on the message.
+ */
+
+ snprintf(b, sizeof (b), "%s/%d", maildir_copy,
+ msgnum + 1);
+ ext_hook("add-hook", b, NULL);
+
+ if (aud)
+ fputs(scanl, aud);
+ if (noisy)
+ fflush(stdout);
+ msgnum++;
+ mp->hghmsg++;
+ mp->nummsg++;
+ if (mp->lowmsg == 0)
+ mp->lowmsg = 1;
+ clear_msg_flags(mp, msgnum);
+ set_exists(mp, msgnum);
+ set_unseen(mp, msgnum);
+ mp->msgflags |= SEQMOD;
+ continue;
+ }
+ /*
+ ** If we get here there was some sort of error from scan(),
+ ** so stop processing anything more from the spool.
+ */
+ break;
+ }
+giveup:;
+ mh_free0(&maildir_copy);
+
+ if (incerr < 0) { /* error */
+ if (locked) {
+ GETGROUPPRIVS(); /* Be sure we can unlock mail file */
+ lkfclose(in, newmail); in = NULL;
+ DROPGROUPPRIVS(); /*
+ ** And then return us to normal
+ ** privileges
+ */
+ } else {
+ fclose(in); in = NULL;
+ }
+ adios(EX_SOFTWARE, NULL, "failed");
}
- adios (NULL, "failed");
- }
- if (aud)
- fclose (aud);
-
-#ifdef MHE
- if (mhe)
- fclose (mhe);
-#endif /* MHE */
-
- if (noisy)
- fflush (stdout);
-
- /*
- * truncate file we are incorporating from
- */
- if (trnflag) {
- if (stat (newmail, &st) != NOTOK && s1.st_mtime != st.st_mtime)
- advise (NULL, "new messages have arrived!\007");
- else {
- int newfd;
- if ((newfd = creat (newmail, 0600)) != NOTOK)
- close (newfd);
- else
- admonish (newmail, "error zero'ing");
- unlink(map_name(newmail));
- }
- } else {
- if (noisy)
- printf ("%s not zero'd\n", newmail);
- }
+ if (aud)
+ fclose(aud);
+
+ if (noisy)
+ fflush(stdout);
+
+ /*
+ ** truncate file we are incorporating from
+ */
+ if (trnflag) {
+ if (stat(newmail, &st) != NOTOK && s1.st_mtime != st.st_mtime)
+ advise(NULL, "new messages have arrived!\007");
+ else {
+ int newfd;
+ if ((newfd = creat(newmail, 0600)) != NOTOK)
+ close(newfd);
+ else
+ admonish(newmail, "error zero'ing");
+ }
+ } else if (noisy && newmail) {
+ printf("%s not zero'd\n", newmail);
+ }
- if (msgnum == hghnum) {
- admonish (NULL, "no messages incorporated");
- } else {
- context_replace (pfolder, folder); /* update current folder */
- if (chgflag)
- mp->curmsg = hghnum + 1;
- mp->hghmsg = msgnum;
- if (mp->lowmsg == 0)
- mp->lowmsg = 1;
- if (chgflag) /* sigh... */
- seq_setcur (mp, mp->curmsg);
- }
+ if (msgnum == hghnum) {
+ admonish(NULL, "no messages incorporated");
+ } else {
+ context_replace(curfolder, folder); /* update current folder */
+ if (chgflag)
+ mp->curmsg = hghnum + 1;
+ mp->hghmsg = msgnum;
+ if (mp->lowmsg == 0)
+ mp->lowmsg = 1;
+ if (chgflag) /* sigh... */
+ seq_setcur(mp, mp->curmsg);
+ }
- /*
- * unlock the mail spool
- */
- if (locked) {
- GETGROUPPRIVS(); /* Be sure we can unlock mail file */
- (void) lkfclose (in, newmail); in = NULL;
- DROPGROUPPRIVS(); /* And then return us to normal privileges */
- } else {
- fclose (in); in = NULL;
- }
+ /*
+ ** unlock the mail spool
+ */
+ if (locked) {
+ GETGROUPPRIVS(); /* Be sure we can unlock mail file */
+ lkfclose(in, newmail); in = NULL;
+ DROPGROUPPRIVS(); /* And then return us to normal privileges */
+ } else {
+ fclose(in); in = NULL;
+ }
- seq_setunseen (mp, 0); /* set the Unseen-Sequence */
- seq_save (mp); /* synchronize sequences */
- context_save (); /* save the context file */
- done (0);
- return 1;
+ seq_setunseen(mp, 1);
+ seq_save(mp);
+ context_save();
+ return 0;
}
-static void
-inc_done (int status)
+void
+inc_done()
{
- if (locked)
- {
- GETGROUPPRIVS();
- lkfclose(in, newmail);
- DROPGROUPPRIVS();
- }
- exit (status);
+ if (locked) {
+ GETGROUPPRIVS();
+ lkfclose(in, newmail);
+ DROPGROUPPRIVS();
+ }
}
projects / mmh / blobdiff