diff options
Diffstat (limited to 'usr/utils/chroot.c')
-rw-r--r-- | usr/utils/chroot.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/usr/utils/chroot.c b/usr/utils/chroot.c new file mode 100644 index 0000000..bc1b94f --- /dev/null +++ b/usr/utils/chroot.c @@ -0,0 +1,30 @@ +/* + * by rmk + */ +#include <unistd.h> +#include <stdio.h> + +int main(int argc, char *argv[], char *envp[]) +{ + if (argc < 3) { + fprintf(stderr, "Usage: %s newroot command...\n", argv[0]); + return 1; + } + + if (chroot(argv[1]) == -1) { + perror("chroot"); + return 1; + } + + if (chdir("/") == -1) { + perror("chdir"); + return 1; + } + + if (execvp(argv[2], argv + 2) == -1) { + perror("execvp"); + return 1; + } + + return 0; +} |