X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fnspawn.c;h=f340805f38339835d8162d291dfd33a73961ef9d;hp=4e4d40ea6f5c7f85e1fae4e3baaf69f267507327;hb=90df7e567f668b4d0e7761fd15fa8cebffc759a0;hpb=88213476187cafc86bea2276199891873000588d;ds=sidebyside diff --git a/src/nspawn.c b/src/nspawn.c index 4e4d40ea6..f340805f3 100644 --- a/src/nspawn.c +++ b/src/nspawn.c @@ -36,6 +36,7 @@ #include "log.h" #include "util.h" +#include "missing.h" static char *arg_directory = NULL; @@ -175,6 +176,9 @@ static int copy_devnodes(const char *dest) { int r = 0, k; char *tty = NULL; dev_t tty_devnum; + mode_t u; + + u = umask(0000); NULSTR_FOREACH(d, devnodes) { char *from = NULL, *to = NULL; @@ -250,7 +254,7 @@ static int copy_devnodes(const char *dest) { r = -errno; } - if (mount(from, to, "bind", MS_BIND, NULL) < 0) { + if (mount(from, to, "bind", MS_BIND|MS_RDONLY, NULL) < 0) { log_error("bind mount for /dev/console failed: %m"); if (r == 0) @@ -264,6 +268,8 @@ static int copy_devnodes(const char *dest) { free(tty); + umask(u); + return r; } @@ -366,7 +372,7 @@ int main(int argc, char *argv[]) { } if (path_equal(arg_directory, "/")) { - log_error("Spawning constainer on root directory not supported."); + log_error("Spawning container on root directory not supported."); goto finish; } @@ -384,6 +390,11 @@ int main(int argc, char *argv[]) { if (pid == 0) { const char *hn; + const char *envp[] = { + "HOME=/root", + "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin", + NULL + }; /* child */ @@ -419,9 +430,11 @@ int main(int argc, char *argv[]) { sethostname(hn, strlen(hn)); if (argc > optind) - execvp(argv[optind], argv + optind); - else - execl("/bin/bash", "/bin/bash", NULL); + execvpe(argv[optind], argv + optind, (char**) envp); + else { + chdir("/root"); + execle("/bin/bash", "-bash", NULL, (char**) envp); + } log_error("execv() failed: %m"); @@ -429,7 +442,7 @@ int main(int argc, char *argv[]) { _exit(EXIT_FAILURE); } - r = wait_for_terminate_and_warn("container", pid); + r = wait_for_terminate_and_warn(argc > optind ? argv[optind] : "bash", pid); if (r < 0) r = EXIT_FAILURE;