diff options
Diffstat (limited to 'coreutils/chroot.c')
| -rw-r--r-- | coreutils/chroot.c | 50 |
1 files changed, 15 insertions, 35 deletions
diff --git a/coreutils/chroot.c b/coreutils/chroot.c index ba3e5f8..01e4d56 100644 --- a/coreutils/chroot.c +++ b/coreutils/chroot.c @@ -21,6 +21,8 @@ * */ +/* BB_AUDIT SUSv3 N/A -- Matches GNU behavior. */ + #include <stdlib.h> #include <stdio.h> #include <unistd.h> @@ -29,46 +31,24 @@ int chroot_main(int argc, char **argv) { - char *prog; - - if ((argc < 2) || (**(argv + 1) == '-')) { - show_usage(); + if (argc < 2) { + bb_show_usage(); } - argc--; - argv++; + ++argv; if (chroot(*argv) || (chdir("/"))) { - perror_msg_and_die("cannot change root directory to %s", *argv); + bb_perror_msg_and_die("cannot change root directory to %s", *argv); } - argc--; - argv++; - if (argc >= 1) { - prog = *argv; - execvp(*argv, argv); - } else { -#if defined shell_main && defined CONFIG_FEATURE_SH_STANDALONE_SHELL - char shell[] = "/bin/sh"; - char *shell_argv[2] = { shell, NULL }; - applet_name = shell; - shell_main(1, shell_argv); - return EXIT_SUCCESS; -#else - prog = getenv("SHELL"); - if (!prog) - prog = "/bin/sh"; - execlp(prog, prog, NULL); -#endif + ++argv; + if (argc == 2) { + argv -= 2; + if (!(*argv = getenv("SHELL"))) { + *argv = (char *) "/bin/sh"; + } + argv[1] = (char *) "-i"; } - perror_msg_and_die("cannot execute %s", prog); + execvp(*argv, argv); + bb_perror_msg_and_die("cannot execute %s", *argv); } - - -/* -Local Variables: -c-file-style: "linux" -c-basic-offset: 4 -tab-width: 4 -End: -*/ |