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Better error reporting if forkpty() fails.

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git-svn-id: https://shellinabox.googlecode.com/svn/trunk@74 0da03de8-d603-11dd-86c2-0f8696b7b6f9
This commit is contained in:
zodiac 2009-02-28 07:57:46 +00:00
parent b0341e1549
commit 2d4768183b
2 changed files with 16 additions and 8 deletions
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2
config.h
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@ -95,7 +95,7 @@
#define STDC_HEADERS 1
/* Most recent revision number in the version control system */
#define VCS_REVISION "73"
#define VCS_REVISION "69"
/* Version number of package */
#define VERSION "2.4"

16
shellinabox/launcher.c
View file

@ -574,7 +574,7 @@ static int forkPty(int *pty, int useLogin, struct Utmp **utmp,
fname[9] = *ptr2;
if ((*pty = NOINTR(open(fname, O_RDWR, 0))) < 0) {
if (errno == ENOENT) {
goto failure;
continue;
}
}
grantpt(*pty);
@ -590,7 +590,6 @@ static int forkPty(int *pty, int useLogin, struct Utmp **utmp,
NOINTR(close(*pty));
}
}
failure:
*pty = -1;
*utmp = NULL;
return -1;
@ -1229,18 +1228,27 @@ static void launcherDaemon(int fd) {
struct Utmp *utmp;
if ((pid = forkPty(&pty,
services[request.service]->useLogin,
&utmp, request.peerName)) < 0) {
} else if (pid == 0) {
&utmp, request.peerName)) == 0) {
childProcess(services[request.service], request.width, request.height,
utmp, request.peerName);
_exit(1);
} else {
// Remember the utmp entry so that we can clean up when the child
// terminates.
if (pid > 0) {
if (!childProcesses) {
childProcesses = newHashMap(destroyUtmpHashEntry, NULL);
}
addToHashMap(childProcesses, utmp->pid, (char *)utmp);
} else {
int fds[2];
if (!pipe(fds)) {
write(fds[1], "forkpty() failed\r\n", 18);
NOINTR(close(fds[1]));
pty = fds[0];
pid = 0;
}
}
// Send file handle and process id back to parent
char cmsg_buf[CMSG_SPACE(sizeof(int))];