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| author | Karel Zak | 2007-08-14 12:04:09 +0200 |
|---|---|---|
| committer | Karel Zak | 2007-08-14 12:04:09 +0200 |
| commit | e93a1aae2f1d7f419d8b1ec7ffd40a458a1b06af (patch) | |
| tree | 36b532a9b5f6318174d68516d0f99199c47f4d9b /login-utils/chsh.c | |
| parent | more: fix underlining for multibyte chars (diff) | |
| download | kernel-qcow2-util-linux-e93a1aae2f1d7f419d8b1ec7ffd40a458a1b06af.tar.gz kernel-qcow2-util-linux-e93a1aae2f1d7f419d8b1ec7ffd40a458a1b06af.tar.xz kernel-qcow2-util-linux-e93a1aae2f1d7f419d8b1ec7ffd40a458a1b06af.zip | |
chsh: don't use empty shell field in /etc/passwd
chsh(1) uses empty shell setting (pw->pw_shell="") as a synonym for
/bin/sh. This convention is silly and unnecessary. (The vsftpd server
will not run if the shell assigned to user "ftp" is a null string --
according to bug rh#103004).
Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'login-utils/chsh.c')
| -rw-r--r-- | login-utils/chsh.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/login-utils/chsh.c b/login-utils/chsh.c index add7c4395..15733a2c1 100644 --- a/login-utils/chsh.c +++ b/login-utils/chsh.c @@ -150,7 +150,8 @@ main (int argc, char *argv[]) { #endif oldshell = pw->pw_shell; - if (!oldshell[0]) oldshell = _PATH_BSHELL; + if (oldshell == NULL || *oldshell == '\0') + oldshell = _PATH_BSHELL; /* default */ /* reality check */ if (uid != 0 && uid != pw->pw_uid) { @@ -219,7 +220,6 @@ main (int argc, char *argv[]) { printf (_("Shell not changed.\n")); return 0; } - if (!strcmp(shell, _PATH_BSHELL)) shell = ""; pw->pw_shell = shell; if (setpwnam (pw) < 0) { perror ("setpwnam"); @@ -333,6 +333,9 @@ static int check_shell (char *shell) { int i, c; + if (!shell) + return (-1); + if (*shell != '/') { printf (_("%s: shell must be a full path name.\n"), whoami); return (-1); |