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Add systemd_contexts support

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- Do substitutions on a local sub followed by a dist sub
This commit is contained in:
Dan Walsh 2013-10-04 10:16:56 -04:00
parent 0695b75fac
commit 82deec5e5b
2 changed files with 135 additions and 9 deletions
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138
libselinux-rhat.patch
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@ -1,5 +1,5 @@
diff --git a/libselinux/include/selinux/selinux.h b/libselinux/include/selinux/selinux.h
index a4079aa..0b122af 100644
index a4079aa..52d6700 100644
--- a/libselinux/include/selinux/selinux.h
+++ b/libselinux/include/selinux/selinux.h
@@ -177,6 +177,7 @@ extern void selinux_set_callback(int type, union selinux_callback cb);
@ -26,6 +26,14 @@ index a4079aa..0b122af 100644
extern const char *selinux_binary_policy_path(void);
extern const char *selinux_failsafe_context_path(void);
extern const char *selinux_removable_context_path(void);
@@ -515,6 +523,7 @@ extern const char *selinux_virtual_image_context_path(void);
extern const char *selinux_lxc_contexts_path(void);
extern const char *selinux_x_context_path(void);
extern const char *selinux_sepgsql_context_path(void);
+extern const char *selinux_systemd_contexts_path(void);
extern const char *selinux_contexts_path(void);
extern const char *selinux_securetty_types_path(void);
extern const char *selinux_booleans_subs_path(void);
diff --git a/libselinux/man/man3/security_compute_av.3 b/libselinux/man/man3/security_compute_av.3
index c6837fc..de62d26 100644
--- a/libselinux/man/man3/security_compute_av.3
@ -705,6 +713,18 @@ index 802a07f..6ff83a7 100644
return rc;
}
diff --git a/libselinux/src/file_path_suffixes.h b/libselinux/src/file_path_suffixes.h
index d11c8dc..3c92424 100644
--- a/libselinux/src/file_path_suffixes.h
+++ b/libselinux/src/file_path_suffixes.h
@@ -23,6 +23,7 @@ S_(BINPOLICY, "/policy/policy")
S_(VIRTUAL_DOMAIN, "/contexts/virtual_domain_context")
S_(VIRTUAL_IMAGE, "/contexts/virtual_image_context")
S_(LXC_CONTEXTS, "/contexts/lxc_contexts")
+ S_(SYSTEMD_CONTEXTS, "/contexts/systemd_contexts")
S_(FILE_CONTEXT_SUBS, "/contexts/files/file_contexts.subs")
S_(FILE_CONTEXT_SUBS_DIST, "/contexts/files/file_contexts.subs_dist")
S_(SEPGSQL_CONTEXTS, "/contexts/sepgsql_contexts")
diff --git a/libselinux/src/fsetfilecon.c b/libselinux/src/fsetfilecon.c
index 309105c..0e9278e 100644
--- a/libselinux/src/fsetfilecon.c
@ -819,7 +839,7 @@ index b9e8002..1d91123 100644
hidden_def(get_ordered_context_list)
diff --git a/libselinux/src/label.c b/libselinux/src/label.c
index 11f6e96..f5cb52a 100644
index 11f6e96..b6b3639 100644
--- a/libselinux/src/label.c
+++ b/libselinux/src/label.c
@@ -43,12 +43,18 @@ static void selabel_subs_fini(struct selabel_sub *ptr)
@ -842,10 +862,68 @@ index 11f6e96..f5cb52a 100644
return NULL;
return dst;
}
@@ -58,7 +64,7 @@ static char *selabel_sub(struct selabel_sub *ptr, const char *src)
return NULL;
}
-struct selabel_sub *selabel_subs_init(const char *path,struct selabel_sub *list)
+struct selabel_sub *selabel_subs_init(const char *path, struct selabel_sub *list)
{
char buf[1024];
FILE *cfg = fopen(path, "r");
@@ -171,6 +177,7 @@ struct selabel_handle *selabel_open(unsigned int backend,
rec->validating = selabel_is_validate_set(opts, nopts);
rec->subs = NULL;
+ rec->dist_subs = NULL;
if ((*initfuncs[backend])(rec, opts, nopts)) {
free(rec);
@@ -186,13 +193,24 @@ selabel_lookup_common(struct selabel_handle *rec, int translating,
const char *key, int type)
{
struct selabel_lookup_rec *lr;
+ char *ptr = NULL;
+ char *dptr = NULL;
if (key == NULL) {
errno = EINVAL;
return NULL;
}
- char *ptr = selabel_sub(rec->subs, key);
+ ptr = selabel_sub(rec->subs, key);
+ if (ptr) {
+ dptr = selabel_sub(rec->dist_subs, ptr);
+ if (dptr) {
+ free(ptr);
+ ptr = dptr;
+ }
+ } else {
+ ptr = selabel_sub(rec->dist_subs, key);
+ }
if (ptr) {
lr = rec->func_lookup(rec, ptr, type);
free(ptr);
diff --git a/libselinux/src/label_file.c b/libselinux/src/label_file.c
index 5f697f3..9b0d6b0 100644
index 5f697f3..c424a21 100644
--- a/libselinux/src/label_file.c
+++ b/libselinux/src/label_file.c
@@ -496,12 +496,12 @@ static int init(struct selabel_handle *rec, struct selinux_opt *opts,
/* Process local and distribution substitution files */
if (!path) {
- rec->subs = selabel_subs_init(selinux_file_context_subs_dist_path(), rec->subs);
+ rec->dist_subs = selabel_subs_init(selinux_file_context_subs_dist_path(), rec->dist_subs);
rec->subs = selabel_subs_init(selinux_file_context_subs_path(), rec->subs);
path = selinux_file_context_path();
} else {
snprintf(subs_file, sizeof(subs_file), "%s.subs_dist", path);
- rec->subs = selabel_subs_init(subs_file, rec->subs);
+ rec->dist_subs = selabel_subs_init(subs_file, rec->dist_subs);
snprintf(subs_file, sizeof(subs_file), "%s.subs", path);
rec->subs = selabel_subs_init(subs_file, rec->subs);
}
@@ -649,6 +649,8 @@ static struct selabel_lookup_rec *lookup(struct selabel_handle *rec,
break;
} else if (rc == PCRE_ERROR_NOMATCH)
@ -863,6 +941,18 @@ index 5f697f3..9b0d6b0 100644
ret = &spec_arr[i].lr;
finish:
diff --git a/libselinux/src/label_internal.h b/libselinux/src/label_internal.h
index 435ecf2..b6ae140 100644
--- a/libselinux/src/label_internal.h
+++ b/libselinux/src/label_internal.h
@@ -68,6 +68,7 @@ struct selabel_handle {
char *spec_file;
/* substitution support */
+ struct selabel_sub *dist_subs;
struct selabel_sub *subs;
};
diff --git a/libselinux/src/lsetfilecon.c b/libselinux/src/lsetfilecon.c
index 461e3f7..ab85155 100644
--- a/libselinux/src/lsetfilecon.c
@ -1019,7 +1109,7 @@ index 6c5b45a..ecaccc6 100644
return 0;
}
diff --git a/libselinux/src/selinux_config.c b/libselinux/src/selinux_config.c
index 296f357..9aee32f 100644
index 296f357..2cd6d54 100644
--- a/libselinux/src/selinux_config.c
+++ b/libselinux/src/selinux_config.c
@@ -8,6 +8,8 @@
@ -1031,7 +1121,17 @@ index 296f357..9aee32f 100644
#include "selinux_internal.h"
#include "get_default_type_internal.h"
@@ -138,6 +140,13 @@ int selinux_getpolicytype(char **type)
@@ -48,7 +50,8 @@
#define FILE_CONTEXT_SUBS_DIST 25
#define LXC_CONTEXTS 26
#define BOOLEAN_SUBS 27
-#define NEL 28
+#define SYSTEMD_CONTEXTS 28
+#define NEL 29
/* Part of one-time lazy init */
static pthread_once_t once = PTHREAD_ONCE_INIT;
@@ -138,6 +141,13 @@ int selinux_getpolicytype(char **type)
hidden_def(selinux_getpolicytype)
@ -1045,7 +1145,7 @@ index 296f357..9aee32f 100644
static char *selinux_policyroot = NULL;
static const char *selinux_rootpath = SELINUXDIR;
@@ -261,6 +270,37 @@ const char *selinux_policy_root(void)
@@ -261,6 +271,37 @@ const char *selinux_policy_root(void)
return selinux_policyroot;
}
@ -1083,7 +1183,7 @@ index 296f357..9aee32f 100644
const char *selinux_path(void)
{
return selinux_rootpath;
@@ -303,6 +343,31 @@ const char *selinux_binary_policy_path(void)
@@ -303,6 +344,31 @@ const char *selinux_binary_policy_path(void)
hidden_def(selinux_binary_policy_path)
@ -1115,8 +1215,22 @@ index 296f357..9aee32f 100644
const char *selinux_file_context_path(void)
{
return get_path(FILE_CONTEXTS);
@@ -427,6 +493,13 @@ const char *selinux_lxc_contexts_path(void)
hidden_def(selinux_lxc_contexts_path)
+const char *selinux_systemd_contexts_path(void)
+{
+ return get_path(SYSTEMD_CONTEXTS);
+}
+
+hidden_def(selinux_systemd_contexts_path)
+
const char * selinux_booleans_subs_path(void) {
return get_path(BOOLEAN_SUBS);
}
diff --git a/libselinux/src/selinux_internal.h b/libselinux/src/selinux_internal.h
index 2c7c85c..4a4aebc 100644
index 2c7c85c..afb2170 100644
--- a/libselinux/src/selinux_internal.h
+++ b/libselinux/src/selinux_internal.h
@@ -60,6 +60,7 @@ hidden_proto(selinux_mkload_policy)
@ -1127,6 +1241,14 @@ index 2c7c85c..4a4aebc 100644
hidden_proto(selinux_binary_policy_path)
hidden_proto(selinux_booleans_subs_path)
hidden_proto(selinux_default_context_path)
@@ -82,6 +83,7 @@ hidden_proto(selinux_mkload_policy)
hidden_proto(selinux_media_context_path)
hidden_proto(selinux_x_context_path)
hidden_proto(selinux_sepgsql_context_path)
+ hidden_proto(selinux_systemd_contexts_path)
hidden_proto(selinux_path)
hidden_proto(selinux_check_passwd_access)
hidden_proto(selinux_check_securetty_context)
diff --git a/libselinux/src/selinuxswig_python.i b/libselinux/src/selinuxswig_python.i
index 359bd02..9884454 100644
--- a/libselinux/src/selinuxswig_python.i

6
libselinux.spec
View File

@ -10,7 +10,7 @@
Summary: SELinux library and simple utilities
Name: libselinux
Version: 2.1.13
Release: 20%{?dist}
Release: 21%{?dist}
License: Public Domain
Group: System Environment/Libraries
Source: %{name}-%{version}.tgz
@ -240,6 +240,10 @@ rm -rf %{buildroot}
%{ruby_sitearch}/selinux.so
%changelog
* Fri Oct 4 2013 Dan Walsh <dwalsh@redhat.com> - 2.1.13-21
- Add systemd_contexts support
- Do substitutions on a local sub followed by a dist sub
* Thu Oct 3 2013 Dan Walsh <dwalsh@redhat.com> - 2.1.13-20
- Eliminate requirement on pthread library, by applying patch for Jakub Jelinek
Resolves #1013801