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authorDmitry V. Levin <ldv@altlinux.org>2014-01-20 02:29:41 +0000
committerDmitry V. Levin <ldv@altlinux.org>2014-01-20 18:33:55 +0000
commitf9db4aae8b0292d1273c7acda1cc20ff87fabd5c (patch)
treed0861df2e539c5ddc4fc554680c46110e408149a /modules/pam_mkhomedir
parent4eb04f3974b9245e31a59b0910c7b81ac5bc0496 (diff)
pam_mkhomedir: check and create home directory for the same user (ticket #22)
Before pam_mkhomedir helper was introduced in commit 7b14630ef39e71f603aeca0c47edf2f384717176, pam_mkhomedir was checking for existance and creating the same directory - the home directory of the user NAME returned by pam_get_item(PAM_USER). The change in behaviour accidentally introduced along with mkhomedir_helper is not consistent: while the module still checks for getpwnam(NAME)->pw_dir, the directory created by mkhomedir_helper is getpwnam(getpwnam(NAME)->pw_name)->pw_dir, which is not necessarily the same as the directory being checked. This change brings check and creation back in sync, both handling getpwnam(NAME)->pw_dir. * modules/pam_mkhomedir/pam_mkhomedir.c (create_homedir): Replace "struct passwd *" argument with user's name and home directory. Pass user's name to MKHOMEDIR_HELPER. (pam_sm_open_session): Update create_homedir call.
Diffstat (limited to 'modules/pam_mkhomedir')
-rw-r--r--modules/pam_mkhomedir/pam_mkhomedir.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/modules/pam_mkhomedir/pam_mkhomedir.c b/modules/pam_mkhomedir/pam_mkhomedir.c
index 5ac8a0f1..0b5fc752 100644
--- a/modules/pam_mkhomedir/pam_mkhomedir.c
+++ b/modules/pam_mkhomedir/pam_mkhomedir.c
@@ -103,14 +103,14 @@ _pam_parse (const pam_handle_t *pamh, int flags, int argc, const char **argv,
/* Do the actual work of creating a home dir */
static int
create_homedir (pam_handle_t *pamh, options_t *opt,
- const struct passwd *pwd)
+ const char *user, const char *dir)
{
int retval, child;
struct sigaction newsa, oldsa;
/* Mention what is happening, if the notification fails that is OK */
if (!(opt->ctrl & MKHOMEDIR_QUIET))
- pam_info(pamh, _("Creating directory '%s'."), pwd->pw_dir);
+ pam_info(pamh, _("Creating directory '%s'."), dir);
D(("called."));
@@ -146,7 +146,7 @@ create_homedir (pam_handle_t *pamh, options_t *opt,
/* exec the mkhomedir helper */
args[0] = x_strdup(MKHOMEDIR_HELPER);
- args[1] = pwd->pw_name;
+ args[1] = (char *) user;
args[2] = x_strdup(opt->umask);
args[3] = x_strdup(opt->skeldir);
@@ -181,7 +181,7 @@ create_homedir (pam_handle_t *pamh, options_t *opt,
if (retval != PAM_SUCCESS && !(opt->ctrl & MKHOMEDIR_QUIET)) {
pam_error(pamh, _("Unable to create and initialize directory '%s'."),
- pwd->pw_dir);
+ dir);
}
D(("returning %d", retval));
@@ -230,7 +230,7 @@ pam_sm_open_session (pam_handle_t *pamh, int flags, int argc,
return PAM_SUCCESS;
}
- return create_homedir(pamh, &opt, pwd);
+ return create_homedir(pamh, &opt, user, pwd->pw_dir);
}
/* Ignore */