shadow-utils/shadow-4.8-selinux.patch

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diff -up shadow-4.8/lib/commonio.c.selinux shadow-4.8/lib/commonio.c
--- shadow-4.8/lib/commonio.c.selinux 2019-07-23 17:26:08.000000000 +0200
+++ shadow-4.8/lib/commonio.c 2020-01-13 10:08:53.769101131 +0100
@@ -964,7 +964,7 @@ int commonio_close (struct commonio_db *
snprintf (buf, sizeof buf, "%s-", db->filename);
#ifdef WITH_SELINUX
- if (set_selinux_file_context (buf) != 0) {
+ if (set_selinux_file_context (buf, db->filename) != 0) {
errors++;
}
#endif
@@ -997,7 +997,7 @@ int commonio_close (struct commonio_db *
snprintf (buf, sizeof buf, "%s+", db->filename);
#ifdef WITH_SELINUX
- if (set_selinux_file_context (buf) != 0) {
+ if (set_selinux_file_context (buf, db->filename) != 0) {
errors++;
}
#endif
diff -up shadow-4.8/libmisc/copydir.c.selinux shadow-4.8/libmisc/copydir.c
--- shadow-4.8/libmisc/copydir.c.selinux 2019-07-23 17:26:08.000000000 +0200
+++ shadow-4.8/libmisc/copydir.c 2020-01-13 10:08:53.769101131 +0100
@@ -484,7 +484,7 @@ static int copy_dir (const char *src, co
*/
#ifdef WITH_SELINUX
- if (set_selinux_file_context (dst) != 0) {
+ if (set_selinux_file_context (dst, NULL) != 0) {
return -1;
}
#endif /* WITH_SELINUX */
@@ -605,7 +605,7 @@ static int copy_symlink (const char *src
}
#ifdef WITH_SELINUX
- if (set_selinux_file_context (dst) != 0) {
+ if (set_selinux_file_context (dst, NULL) != 0) {
free (oldlink);
return -1;
}
@@ -684,7 +684,7 @@ static int copy_special (const char *src
int err = 0;
#ifdef WITH_SELINUX
- if (set_selinux_file_context (dst) != 0) {
+ if (set_selinux_file_context (dst, NULL) != 0) {
return -1;
}
#endif /* WITH_SELINUX */
@@ -744,7 +744,7 @@ static int copy_file (const char *src, c
return -1;
}
#ifdef WITH_SELINUX
- if (set_selinux_file_context (dst) != 0) {
+ if (set_selinux_file_context (dst, NULL) != 0) {
return -1;
}
#endif /* WITH_SELINUX */
diff -up shadow-4.8/lib/prototypes.h.selinux shadow-4.8/lib/prototypes.h
--- shadow-4.8/lib/prototypes.h.selinux 2020-01-13 10:08:53.769101131 +0100
+++ shadow-4.8/lib/prototypes.h 2020-01-13 10:11:20.914627399 +0100
@@ -334,7 +334,7 @@ extern /*@observer@*/const char *crypt_m
/* selinux.c */
#ifdef WITH_SELINUX
-extern int set_selinux_file_context (const char *dst_name);
+extern int set_selinux_file_context (const char *dst_name, const char *orig_name);
extern int reset_selinux_file_context (void);
extern int check_selinux_permit (const char *perm_name);
#endif
diff -up shadow-4.8/lib/selinux.c.selinux shadow-4.8/lib/selinux.c
--- shadow-4.8/lib/selinux.c.selinux 2019-11-12 01:18:25.000000000 +0100
+++ shadow-4.8/lib/selinux.c 2020-01-13 10:08:53.769101131 +0100
@@ -51,7 +51,7 @@ static bool selinux_enabled;
* Callers may have to Reset SELinux to create files with default
* contexts with reset_selinux_file_context
*/
-int set_selinux_file_context (const char *dst_name)
+int set_selinux_file_context (const char *dst_name, const char *orig_name)
{
/*@null@*/security_context_t scontext = NULL;
@@ -63,19 +63,23 @@ int set_selinux_file_context (const char
if (selinux_enabled) {
/* Get the default security context for this file */
if (matchpathcon (dst_name, 0, &scontext) < 0) {
- if (security_getenforce () != 0) {
- return 1;
- }
+ /* We could not get the default, copy the original */
+ if (orig_name == NULL)
+ goto error;
+ if (getfilecon (orig_name, &scontext) < 0)
+ goto error;
}
/* Set the security context for the next created file */
- if (setfscreatecon (scontext) < 0) {
- if (security_getenforce () != 0) {
- return 1;
- }
- }
+ if (setfscreatecon (scontext) < 0)
+ goto error;
freecon (scontext);
}
return 0;
+ error:
+ if (security_getenforce () != 0) {
+ return 1;
+ }
+ return 0;
}
/*
diff -up shadow-4.8/lib/semanage.c.selinux shadow-4.8/lib/semanage.c
--- shadow-4.8/lib/semanage.c.selinux 2019-07-23 17:26:08.000000000 +0200
+++ shadow-4.8/lib/semanage.c 2020-01-13 10:08:53.766101181 +0100
@@ -294,6 +294,9 @@ int set_seuser (const char *login_name,
ret = 0;
+ /* drop obsolete matchpathcon cache */
+ matchpathcon_fini();
+
done:
semanage_seuser_key_free (key);
semanage_handle_destroy (handle);
@@ -369,6 +372,10 @@ int del_seuser (const char *login_name)
}
ret = 0;
+
+ /* drop obsolete matchpathcon cache */
+ matchpathcon_fini();
+
done:
semanage_handle_destroy (handle);
return ret;
diff -up shadow-4.8/src/useradd.c.selinux shadow-4.8/src/useradd.c
--- shadow-4.8/src/useradd.c.selinux 2020-01-13 10:08:53.762101248 +0100
+++ shadow-4.8/src/useradd.c 2020-01-13 10:08:53.767101164 +0100
@@ -2078,7 +2078,7 @@ static void create_home (void)
++bhome;
#ifdef WITH_SELINUX
- if (set_selinux_file_context (prefix_user_home) != 0) {
+ if (set_selinux_file_context (prefix_user_home, NULL) != 0) {
fprintf (stderr,
_("%s: cannot set SELinux context for home directory %s\n"),
Prog, user_home);
@@ -2232,6 +2232,7 @@ static void create_mail (void)
*/
int main (int argc, char **argv)
{
+ int rv = E_SUCCESS;
#ifdef ACCT_TOOLS_SETUID
#ifdef USE_PAM
pam_handle_t *pamh = NULL;
@@ -2454,27 +2455,12 @@ int main (int argc, char **argv)
usr_update ();
- if (mflg) {
- create_home ();
- if (home_added) {
- copy_tree (def_template, prefix_user_home, false, false,
- (uid_t)-1, user_id, (gid_t)-1, user_gid);
- } else {
- fprintf (stderr,
- _("%s: warning: the home directory %s already exists.\n"
- "%s: Not copying any file from skel directory into it.\n"),
- Prog, user_home, Prog);
- }
-
- }
-
- /* Do not create mail directory for system accounts */
- if (!rflg) {
- create_mail ();
- }
-
close_files ();
+ nscd_flush_cache ("passwd");
+ nscd_flush_cache ("group");
+ sssd_flush_cache (SSSD_DB_PASSWD | SSSD_DB_GROUP);
+
/*
* tallylog_reset needs to be able to lookup
* a valid existing user name,
@@ -2485,8 +2471,9 @@ int main (int argc, char **argv)
}
#ifdef WITH_SELINUX
- if (Zflg) {
- if (set_seuser (user_name, user_selinux) != 0) {
+ if (Zflg && *user_selinux) {
+ if (is_selinux_enabled () > 0) {
+ if (set_seuser (user_name, user_selinux) != 0) {
fprintf (stderr,
_("%s: warning: the user name %s to %s SELinux user mapping failed.\n"),
Prog, user_name, user_selinux);
@@ -2495,15 +2482,31 @@ int main (int argc, char **argv)
"adding SELinux user mapping",
user_name, (unsigned int) user_id, 0);
#endif /* WITH_AUDIT */
- fail_exit (E_SE_UPDATE);
+ rv = E_SE_UPDATE;
+ }
}
}
#endif /* WITH_SELINUX */
- nscd_flush_cache ("passwd");
- nscd_flush_cache ("group");
- sssd_flush_cache (SSSD_DB_PASSWD | SSSD_DB_GROUP);
+ if (mflg) {
+ create_home ();
+ if (home_added) {
+ copy_tree (def_template, prefix_user_home, false, true,
+ (uid_t)-1, user_id, (gid_t)-1, user_gid);
+ } else {
+ fprintf (stderr,
+ _("%s: warning: the home directory %s already exists.\n"
+ "%s: Not copying any file from skel directory into it.\n"),
+ Prog, user_home, Prog);
+ }
+
+ }
+
+ /* Do not create mail directory for system accounts */
+ if (!rflg) {
+ create_mail ();
+ }
- return E_SUCCESS;
+ return rv;
}