diff options
Diffstat (limited to 'lib/shells.c')
| -rw-r--r-- | lib/shells.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/lib/shells.c b/lib/shells.c index 13f293c5e0..ef2aecd0f5 100644 --- a/lib/shells.c +++ b/lib/shells.c @@ -1,6 +1,11 @@ /* * SPDX-License-Identifier: GPL-2.0-or-later */ +#include <sys/types.h> +#include <pwd.h> +#include <stdlib.h> +#include <paths.h> +#include <unistd.h> #include <sys/syslog.h> #if defined (HAVE_LIBECONF) && defined (USE_VENDORDIR) #include <libeconf.h> @@ -116,3 +121,24 @@ extern int is_known_shell(const char *shell_name) #endif return ret; } + +const char *ul_default_shell(int flags, const struct passwd *pw) +{ + const char *shell = NULL; + + if (!(flags & UL_SHELL_NOENV)) { + shell = getenv("SHELL"); + if (shell && *shell) + return shell; + } + if (!(flags & UL_SHELL_NOPWD)) { + if (!pw) + pw = getpwuid(getuid()); + if (pw) + shell = pw->pw_shell; + if (shell && *shell) + return shell; + } + + return _PATH_BSHELL; +} |