diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Makemodule.am | 3 | ||||
| -rw-r--r-- | lib/exec_shell.c | 27 |
2 files changed, 29 insertions, 1 deletions
diff --git a/lib/Makemodule.am b/lib/Makemodule.am index 81e20b106..74b6bc1fa 100644 --- a/lib/Makemodule.am +++ b/lib/Makemodule.am @@ -24,7 +24,8 @@ libcommon_la_SOURCES = \ lib/tt.c \ lib/wholedisk.c \ lib/ttyutils.c \ - lib/xgetpass.c + lib/xgetpass.c \ + lib/exec_shell.c if LINUX libcommon_la_SOURCES += \ diff --git a/lib/exec_shell.c b/lib/exec_shell.c new file mode 100644 index 000000000..95620cd4d --- /dev/null +++ b/lib/exec_shell.c @@ -0,0 +1,27 @@ +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include <sys/types.h> + +#include "nls.h" +#include "c.h" +#include "xalloc.h" + +#include "exec_shell.h" + +#define DEFAULT_SHELL "/bin/sh" + +void __attribute__((__noreturn__)) exec_shell(void) { + const char *shell = getenv("SHELL"), *shell_basename; + char *arg0; + if (!shell) + shell = DEFAULT_SHELL; + + shell_basename = basename(shell); + arg0 = xmalloc(strlen(shell_basename) + 2); + arg0[0] = '-'; + strcpy(arg0 + 1, shell_basename); + + execl(shell, arg0, NULL); + err(EXIT_FAILURE, _("failed to execute %s"), shell); +} |