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| author | Sami Kerola | 2014-09-14 18:29:54 +0200 |
|---|---|---|
| committer | Sami Kerola | 2014-09-19 20:31:02 +0200 |
| commit | c829aebc397f75f24762ed046fc8e3402762b60f (patch) | |
| tree | a5b0280dc53c0303e5b39692abc54ef5b1383ea6 /login-utils/newgrp.c | |
| parent | setarch: use personality() system call when it is available (diff) | |
| download | kernel-qcow2-util-linux-c829aebc397f75f24762ed046fc8e3402762b60f.tar.gz kernel-qcow2-util-linux-c829aebc397f75f24762ed046fc8e3402762b60f.tar.xz kernel-qcow2-util-linux-c829aebc397f75f24762ed046fc8e3402762b60f.zip | |
newgrp: use libc function to read gshadow if it is available
The glib versionf of getsgnam() is using /etc/nsswitch.conf, allowing the
group passwords to come from external database.
Signed-off-by: Sami Kerola <kerolasa@iki.fi>
Diffstat (limited to 'login-utils/newgrp.c')
| -rw-r--r-- | login-utils/newgrp.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/login-utils/newgrp.c b/login-utils/newgrp.c index 55dad1bb4..d492f23ff 100644 --- a/login-utils/newgrp.c +++ b/login-utils/newgrp.c @@ -28,6 +28,10 @@ # include <crypt.h> #endif +#ifdef HAVE_GETSGNAM +# include <gshadow.h> +#endif + #include "c.h" #include "closestream.h" #include "nls.h" @@ -37,6 +41,12 @@ /* try to read password from gshadow */ static char *get_gshadow_pwd(char *groupname) { +#ifdef HAVE_GETSGNAM + struct sgrp *sgrp; + + sgrp = getsgnam(groupname); + return sgrp ? xstrdup(sgrp->sg_passwd) : NULL; +#else char buf[BUFSIZ]; char *pwd = NULL; FILE *f; @@ -69,6 +79,7 @@ static char *get_gshadow_pwd(char *groupname) } fclose(f); return pwd ? xstrdup(pwd) : NULL; +#endif /* HAVE_GETSGNAM */ } static int allow_setgid(struct passwd *pe, struct group *ge) |