-
/*
* rcvtty.c -- a rcvmail program (a lot like rcvalert) handling IPC ttys
*
# endif
#endif
-#define SCANFMT \
+#define SCANFMT \
"%2(hour{dtimenow}):%02(min{dtimenow}): %<(size)%5(size) %>%<{encrypted}E%>\
%<(mymbox{from})%<{to}To:%14(friendly{to})%>%>%<(zero)%17(friendly{from})%> \
%{subject}%<{body}<<%{body}>>%>"
static struct swit switches[] = {
-#define BIFFSW 0
- { "biff", 0 },
-#define FORMSW 1
- { "form formatfile", 0 },
-#define FMTSW 2
- { "format string", 5 },
+#define BIFFSW 0
+ { "biff", 0 },
+#define FORMSW 1
+ { "form formatfile", 0 },
+#define FMTSW 2
+ { "format string", 5 },
#define WIDTHSW 3
- { "width columns", 0 },
-#define NLSW 4
- { "newline", 0 },
+ { "width columns", 0 },
+#define NLSW 4
+ { "newline", 0 },
#define NNLSW 5
- { "nonewline", 0 },
-#define BELSW 6
- { "bell", 0 },
-#define NBELSW 7
- { "nobell", 0 },
+ { "nonewline", 0 },
+#define BELSW 6
+ { "bell", 0 },
+#define NBELSW 7
+ { "nobell", 0 },
#define VERSIONSW 8
- { "version", 0 },
-#define HELPSW 9
- { "help", 0 },
- { NULL, 0 }
+ { "version", 0 },
+#define HELPSW 9
+ { "help", 0 },
+ { NULL, 0 }
};
static jmp_buf myctx;
int
main (int argc, char **argv)
{
- int md, vecp = 0;
- char *cp, *user, buf[BUFSIZ], tty[BUFSIZ];
- char **argp, **arguments, *vec[MAXARGS];
+ int md, vecp = 0;
+ char *cp, *user, buf[BUFSIZ], tty[BUFSIZ];
+ char **argp, **arguments, *vec[MAXARGS];
#ifdef HAVE_GETUTENT
- struct utmp * utp;
+ struct utmp * utp;
#else
- struct utmp ut;
- register FILE *uf;
+ struct utmp ut;
+ register FILE *uf;
#endif
#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 [command ...]", invo_name);
- print_help (buf, switches, 1);
- done (1);
- case VERSIONSW:
- print_version(invo_name);
- done (1);
-
- case BIFFSW:
- biff = 1;
- 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;
- case NLSW:
- newline = 1;
- continue;
- case NNLSW:
- newline = 0;
- continue;
- case BELSW:
- bell = 1;
- continue;
- case NBELSW:
- bell = 0;
- continue;
-
- }
+ 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 [command ...]", invo_name);
+ print_help (buf, switches, 1);
+ done (1);
+ case VERSIONSW:
+ print_version(invo_name);
+ done (1);
+
+ case BIFFSW:
+ biff = 1;
+ 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;
+ case NLSW:
+ newline = 1;
+ continue;
+ case NNLSW:
+ newline = 0;
+ continue;
+ case BELSW:
+ bell = 1;
+ continue;
+ case NBELSW:
+ bell = 0;
+ continue;
+
+ }
+ }
+ vec[vecp++] = cp;
}
- vec[vecp++] = cp;
- }
- vec[vecp] = 0;
+ vec[vecp] = 0;
- if ((md = vecp ? message_fd (vec) : header_fd ()) == NOTOK)
- exit (RCV_MBX);
+ if ((md = vecp ? message_fd (vec) : header_fd ()) == NOTOK)
+ exit (RCV_MBX);
- user = getusername();
+ user = getusername();
#ifdef HAVE_GETUTENT
- setutent();
- while ((utp = getutent()) != NULL) {
- if (
+ setutent();
+ while ((utp = getutent()) != NULL) {
+ if (
#ifdef HAVE_STRUCT_UTMP_UT_TYPE
- utp->ut_type == USER_PROCESS
- &&
+ utp->ut_type == USER_PROCESS
+ &&
#endif
- utp->ut_name[0] != 0
- && utp->ut_line[0] != 0
- && strncmp (user, utp->ut_name, sizeof(utp->ut_name)) == 0) {
- strncpy (tty, utp->ut_line, sizeof(utp->ut_line));
- alert (tty, md);
- }
- }
- endutent();
-#else
- if ((uf = fopen (UTMP_FILE, "r")) == NULL)
- exit (RCV_MBX);
- while (fread ((char *) &ut, sizeof(ut), 1, uf) == 1)
- if (ut.ut_name[0] != 0
- && strncmp (user, ut.ut_name, sizeof(ut.ut_name)) == 0) {
- strncpy (tty, ut.ut_line, sizeof(ut.ut_line));
- alert (tty, md);
+ utp->ut_name[0] != 0
+ && utp->ut_line[0] != 0
+ && strncmp (user, utp->ut_name, sizeof(utp->ut_name)) == 0) {
+ strncpy (tty, utp->ut_line, sizeof(utp->ut_line));
+ alert (tty, md);
+ }
}
- fclose (uf);
+ endutent();
+#else
+ if ((uf = fopen (UTMP_FILE, "r")) == NULL)
+ exit (RCV_MBX);
+ while (fread ((char *) &ut, sizeof(ut), 1, uf) == 1)
+ if (ut.ut_name[0] != 0
+ && strncmp (user, ut.ut_name, sizeof(ut.ut_name)) == 0) {
+ strncpy (tty, ut.ut_line, sizeof(ut.ut_line));
+ alert (tty, md);
+ }
+ fclose (uf);
#endif
- exit (RCV_MOK);
- return 0; /* dead code to satisfy the compiler */
+ exit (RCV_MOK);
+ return 0; /* dead code to satisfy the compiler */
}
alrmser (int i)
{
#ifndef RELIABLE_SIGNALS
- SIGNAL (SIGALRM, alrmser);
+ SIGNAL (SIGALRM, alrmser);
#endif
- longjmp (myctx, 1);
+ longjmp (myctx, 1);
}
static int
message_fd (char **vec)
{
- pid_t child_id;
- int bytes, fd, seconds;
- char tmpfil[BUFSIZ];
- struct stat st;
+ pid_t child_id;
+ int bytes, fd, seconds;
+ char tmpfil[BUFSIZ];
+ struct stat st;
#ifdef HAVE_MKSTEMP
- fd = mkstemp (strncpy (tmpfil, "/tmp/rcvttyXXXXX", sizeof(tmpfil)));
+ fd = mkstemp (strncpy (tmpfil, "/tmp/rcvttyXXXXX", sizeof(tmpfil)));
#else
- unlink (mktemp (strncpy (tmpfil, "/tmp/rcvttyXXXXX", sizeof(tmpfil))));
- if ((fd = open (tmpfil, O_RDWR | O_CREAT | O_TRUNC, 0600)) == NOTOK)
- return header_fd ();
+ unlink (mktemp (strncpy (tmpfil, "/tmp/rcvttyXXXXX", sizeof(tmpfil))));
+ if ((fd = open (tmpfil, O_RDWR | O_CREAT | O_TRUNC, 0600)) == NOTOK)
+ return header_fd ();
#endif
- unlink (tmpfil);
-
- if ((child_id = vfork()) == NOTOK) {
- /* fork error */
- close (fd);
- return header_fd ();
- } else if (child_id) {
- /* parent process */
- if (!setjmp (myctx)) {
- SIGNAL (SIGALRM, alrmser);
- bytes = fstat(fileno (stdin), &st) != NOTOK ? (int) st.st_size : 100;
-
- /* amount of time to wait depends on message size */
- if (bytes <= 100) {
- /* give at least 5 minutes */
- seconds = 300;
- } else if (bytes >= 90000) {
- /* but 30 minutes should be long enough */
- seconds = 1800;
- } else {
- seconds = (bytes / 60) + 300;
- }
- alarm ((unsigned int) seconds);
- pidwait(child_id, OK);
- alarm (0);
-
- if (fstat (fd, &st) != NOTOK && st.st_size > (off_t) 0)
- return fd;
- } else {
- /*
- * Ruthlessly kill the child and anything
- * else in its process group.
- */
- KILLPG(child_id, SIGKILL);
+ unlink (tmpfil);
+
+ if ((child_id = vfork()) == NOTOK) {
+ /* fork error */
+ close (fd);
+ return header_fd ();
+ } else if (child_id) {
+ /* parent process */
+ if (!setjmp (myctx)) {
+ SIGNAL (SIGALRM, alrmser);
+ bytes = fstat(fileno (stdin), &st) != NOTOK ? (int) st.st_size : 100;
+
+ /* amount of time to wait depends on message size */
+ if (bytes <= 100) {
+ /* give at least 5 minutes */
+ seconds = 300;
+ } else if (bytes >= 90000) {
+ /* but 30 minutes should be long enough */
+ seconds = 1800;
+ } else {
+ seconds = (bytes / 60) + 300;
+ }
+ alarm ((unsigned int) seconds);
+ pidwait(child_id, OK);
+ alarm (0);
+
+ if (fstat (fd, &st) != NOTOK && st.st_size > (off_t) 0)
+ return fd;
+ } else {
+ /*
+ * Ruthlessly kill the child and anything
+ * else in its process group.
+ */
+ KILLPG(child_id, SIGKILL);
+ }
+ close (fd);
+ return header_fd ();
}
- close (fd);
- return header_fd ();
- }
- /* child process */
- rewind (stdin);
- if (dup2 (fd, 1) == NOTOK || dup2 (fd, 2) == NOTOK)
+ /* child process */
+ rewind (stdin);
+ if (dup2 (fd, 1) == NOTOK || dup2 (fd, 2) == NOTOK)
+ _exit (-1);
+ closefds (3);
+ setpgid ((pid_t) 0, getpid ()); /* put in own process group */
+ execvp (vec[0], vec);
_exit (-1);
- closefds (3);
- setpgid ((pid_t) 0, getpid ()); /* put in own process group */
- execvp (vec[0], vec);
- _exit (-1);
- return 1; /* dead code to satisfy compiler */
+ return 1; /* dead code to satisfy compiler */
}
static int
header_fd (void)
{
- int fd;
- char *nfs;
- char *tfile = NULL;
-
- tfile = m_mktemp2(NULL, invo_name, &fd, NULL);
- if (tfile == NULL) return NOTOK;
- unlink (tfile);
-
- rewind (stdin);
-
- /* get new format string */
- nfs = new_fs (form, format, SCANFMT);
- scan (stdin, 0, 0, nfs, width, 0, 0, NULL, 0L, 0);
- if (newline)
- write (fd, "\n\r", 2);
- write (fd, scanl, strlen (scanl));
- if (bell)
- write (fd, "\007", 1);
-
- return fd;
+ int fd;
+ char *nfs;
+ char *tfile = NULL;
+
+ tfile = m_mktemp2(NULL, invo_name, &fd, NULL);
+ if (tfile == NULL) return NOTOK;
+ unlink (tfile);
+
+ rewind (stdin);
+
+ /* get new format string */
+ nfs = new_fs (form, format, SCANFMT);
+ scan (stdin, 0, 0, nfs, width, 0, 0, NULL, 0L, 0);
+ if (newline)
+ write (fd, "\n\r", 2);
+ write (fd, scanl, strlen (scanl));
+ if (bell)
+ write (fd, "\007", 1);
+
+ return fd;
}
static void
alert (char *tty, int md)
{
- int i, td, mask;
- char buffer[BUFSIZ], ttyspec[BUFSIZ];
- struct stat st;
+ int i, td, mask;
+ char buffer[BUFSIZ], ttyspec[BUFSIZ];
+ struct stat st;
- snprintf (ttyspec, sizeof(ttyspec), "/dev/%s", tty);
+ snprintf (ttyspec, sizeof(ttyspec), "/dev/%s", tty);
- /*
- * The mask depends on whether we are checking for
- * write permission based on `biff' or `mesg'.
- */
- mask = biff ? S_IEXEC : (S_IWRITE >> 3);
- if (stat (ttyspec, &st) == NOTOK || (st.st_mode & mask) == 0)
- return;
+ /*
+ * The mask depends on whether we are checking for
+ * write permission based on `biff' or `mesg'.
+ */
+ mask = biff ? S_IEXEC : (S_IWRITE >> 3);
+ if (stat (ttyspec, &st) == NOTOK || (st.st_mode & mask) == 0)
+ return;
- if (!setjmp (myctx)) {
- SIGNAL (SIGALRM, alrmser);
- alarm (2);
- td = open (ttyspec, O_WRONLY);
- alarm (0);
- if (td == NOTOK)
- return;
- } else {
- alarm (0);
- return;
- }
-
- lseek (md, (off_t) 0, SEEK_SET);
-
- while ((i = read (md, buffer, sizeof(buffer))) > 0)
- if (write (td, buffer, i) != i)
- break;
-
- close (td);
+ if (!setjmp (myctx)) {
+ SIGNAL (SIGALRM, alrmser);
+ alarm (2);
+ td = open (ttyspec, O_WRONLY);
+ alarm (0);
+ if (td == NOTOK)
+ return;
+ } else {
+ alarm (0);
+ return;
+ }
+
+ lseek (md, (off_t) 0, SEEK_SET);
+
+ while ((i = read (md, buffer, sizeof(buffer))) > 0)
+ if (write (td, buffer, i) != i)
+ break;
+
+ close (td);
}
projects / mmh / blobdiff