{
putty_signal(signum, SIG_DFL);
cleanup_utmp();
- setuid(getuid());
raise(signum);
}
#endif
strncpy(pty->name, ptsname(pty->master_fd), FILENAME_MAX-1);
#endif
- {
- /*
- * Set the pty master into non-blocking mode.
- */
- int fl;
- fl = fcntl(pty->master_fd, F_GETFL);
- if (fl != -1 && !(fl & O_NONBLOCK))
- fcntl(pty->master_fd, F_SETFL, fl | O_NONBLOCK);
- }
+ nonblock(pty->master_fd);
if (!ptys_by_fd)
ptys_by_fd = newtree234(pty_compare_by_fd);
#endif
pty = single_pty = snew(struct pty_tag);
+ pty->conf = NULL;
bufchain_init(&pty->output_data);
/* set the child signal handler straight away; it needs to be set
int gid = getgid(), uid = getuid();
int setresgid(gid_t, gid_t, gid_t);
int setresuid(uid_t, uid_t, uid_t);
- setresgid(gid, gid, gid);
- setresuid(uid, uid, uid);
+ if (setresgid(gid, gid, gid) < 0) {
+ perror("setresgid");
+ exit(1);
+ }
+ if (setresuid(uid, uid, uid) < 0) {
+ perror("setresuid");
+ exit(1);
+ }
#else
- setgid(getgid());
- setuid(getuid());
+ if (setgid(getgid()) < 0) {
+ perror("setgid");
+ exit(1);
+ }
+ if (setuid(getuid()) < 0) {
+ perror("setuid");
+ exit(1);
+ }
#endif
}
}
if (close_on_exit == FORCE_OFF ||
(close_on_exit == AUTO && pty->exit_code != 0)) {
char message[512];
+ message[0] = '\0';
if (WIFEXITED(pty->exit_code))
sprintf(message, "\r\n[pterm: process terminated with exit"
" code %d]\r\n", WEXITSTATUS(pty->exit_code));
if (single_pty) {
pty = single_pty;
+ assert(pty->conf == NULL);
} else {
pty = snew(struct pty_tag);
pty->master_fd = pty->slave_fd = -1;
* Stamp utmp (that is, tell the utmp helper process to do so),
* or not.
*/
- if (!conf_get_int(conf, CONF_stamp_utmp)) {
- close(pty_utmp_helper_pipe); /* just let the child process die */
- pty_utmp_helper_pipe = -1;
- } else if (pty_utmp_helper_pipe >= 0) {
- char *location = get_x_display(pty->frontend);
- int len = strlen(location)+1, pos = 0; /* +1 to include NUL */
- while (pos < len) {
- int ret = write(pty_utmp_helper_pipe, location+pos, len - pos);
- if (ret < 0) {
- perror("pterm: writing to utmp helper process");
- close(pty_utmp_helper_pipe); /* arrgh, just give up */
- pty_utmp_helper_pipe = -1;
- break;
- }
- pos += ret;
+ if (pty_utmp_helper_pipe >= 0) { /* if it's < 0, we can't anyway */
+ if (!conf_get_int(conf, CONF_stamp_utmp)) {
+ close(pty_utmp_helper_pipe); /* just let the child process die */
+ pty_utmp_helper_pipe = -1;
+ } else {
+ char *location = get_x_display(pty->frontend);
+ int len = strlen(location)+1, pos = 0; /* +1 to include NUL */
+ while (pos < len) {
+ int ret = write(pty_utmp_helper_pipe, location+pos, len - pos);
+ if (ret < 0) {
+ perror("pterm: writing to utmp helper process");
+ close(pty_utmp_helper_pipe); /* arrgh, just give up */
+ pty_utmp_helper_pipe = -1;
+ break;
+ }
+ pos += ret;
+ }
}
}
#endif
pgrp = getpid();
tcsetpgrp(0, pgrp);
setpgid(pgrp, pgrp);
- close(open(pty->name, O_WRONLY, 0));
+ {
+ int ptyfd = open(pty->name, O_WRONLY, 0);
+ if (ptyfd >= 0)
+ close(ptyfd);
+ }
setpgid(pgrp, pgrp);
{
char *term_env_var = dupprintf("TERM=%s",
del234(ptys_by_pid, pty);
del234(ptys_by_fd, pty);
- sfree(pty);
+ conf_free(pty->conf);
+ pty->conf = NULL;
+
+ if (pty == single_pty) {
+ /*
+ * Leave this structure around in case we need to Restart
+ * Session.
+ */
+ } else {
+ sfree(pty);
+ }
}
static void pty_try_write(Pty pty)