Update to upstream

* Create a new preserve_tunables flag
	* tree: default make target to all not
	* fix semanage_store_access_check calling arguments
This commit is contained in:
Dan Walsh 2011-09-19 06:57:07 -04:00
parent f79f8038c0
commit 71a9b31459
4 changed files with 10 additions and 355 deletions

1
.gitignore vendored
View File

@ -122,3 +122,4 @@ libsemanage-2.0.45.tgz
/libsemanage-2.1.0.tgz
/libsemanage-2.1.2.tgz
/libsemanage-2.1.3.tgz
/libsemanage-2.1.4.tgz

View File

@ -1,167 +1,3 @@
diff --git a/libsemanage/include/semanage/handle.h b/libsemanage/include/semanage/handle.h
index e303713..c746930 100644
--- a/libsemanage/include/semanage/handle.h
+++ b/libsemanage/include/semanage/handle.h
@@ -129,6 +129,12 @@ int semanage_mls_enabled(semanage_handle_t *sh);
/* Change to alternate selinux root path */
int semanage_set_root(const char *path);
+/* Get whether or not needless unused branch of tunables would be preserved */
+int semanage_get_preserve_tunables(semanage_handle_t * handle);
+
+/* Set whether or not to preserve the needless unused branch of tunables */
+void semanage_set_preserve_tunables(semanage_handle_t * handle, int preserve_tunables);
+
/* META NOTES
*
* For all functions a non-negative number indicates success. For some
diff --git a/libsemanage/src/direct_api.c b/libsemanage/src/direct_api.c
index aac1974..8fcfb88 100644
--- a/libsemanage/src/direct_api.c
+++ b/libsemanage/src/direct_api.c
@@ -353,17 +353,11 @@ static int parse_module_headers(semanage_handle_t * sh, char *module_data,
semanage_path(SEMANAGE_TMP, SEMANAGE_MODULES)) == NULL) {
return -1;
}
- if (asprintf(filename, "%s/%s.pp%s", module_path, *module_name, DISABLESTR) == -1) {
+ if (asprintf(filename, "%s/%s.pp", module_path, *module_name) == -1) {
ERR(sh, "Out of memory!");
return -1;
}
- if (access(*filename, F_OK) == -1) {
- char *ptr = *filename;
- int len = strlen(ptr) - strlen(DISABLESTR);
- if (len > 0) ptr[len]='\0';
- }
-
return 0;
}
@@ -695,7 +689,8 @@ static int semanage_direct_commit(semanage_handle_t * sh)
/* Declare some variables */
int modified = 0, fcontexts_modified, ports_modified,
- seusers_modified, users_extra_modified, dontaudit_modified;
+ seusers_modified, users_extra_modified, dontaudit_modified,
+ preserve_tunables_modified;
dbase_config_t *users = semanage_user_dbase_local(sh);
dbase_config_t *users_base = semanage_user_base_dbase_local(sh);
dbase_config_t *pusers_base = semanage_user_base_dbase_policy(sh);
@@ -737,6 +732,31 @@ static int semanage_direct_commit(semanage_handle_t * sh)
}
}
+ /* Create or remove the preserve_tunables flag file. */
+ path = semanage_path(SEMANAGE_TMP, SEMANAGE_PRESERVE_TUNABLES);
+ if (access(path, F_OK) == 0)
+ preserve_tunables_modified = !(sepol_get_preserve_tunables(sh->sepolh) == 1);
+ else
+ preserve_tunables_modified = (sepol_get_preserve_tunables(sh->sepolh) == 1);
+ if (sepol_get_preserve_tunables(sh->sepolh) == 1) {
+ FILE *touch;
+ touch = fopen(path, "w");
+ if (touch != NULL) {
+ if (fclose(touch) != 0) {
+ ERR(sh, "Error attempting to create preserve_tunable flag.");
+ goto cleanup;
+ }
+ } else {
+ ERR(sh, "Error attempting to create preserve_tunable flag.");
+ goto cleanup;
+ }
+ } else {
+ if (remove(path) == -1 && errno != ENOENT) {
+ ERR(sh, "Error removing the preserve_tunables flag.");
+ goto cleanup;
+ }
+ }
+
/* Before we do anything else, flush the join to its component parts.
* This *does not* flush to disk automatically */
if (users->dtable->is_modified(users->dbase)) {
@@ -759,6 +779,7 @@ static int semanage_direct_commit(semanage_handle_t * sh)
modified |= ifaces->dtable->is_modified(ifaces->dbase);
modified |= nodes->dtable->is_modified(nodes->dbase);
modified |= dontaudit_modified;
+ modified |= preserve_tunables_modified;
/* If there were policy changes, or explicitly requested, rebuild the policy */
if (sh->do_rebuild || modified) {
@@ -1307,29 +1328,12 @@ static int semanage_direct_enable(semanage_handle_t * sh, char *module_name)
base++;
if (memcmp(module_name, base, name_len) == 0) {
- if(strcmp(base + name_len + 3, DISABLESTR) != 0) {
- ERR(sh, "Module %s is already enabled.", module_name);
+ if (semanage_enable_module(module_filenames[i]) < 0) {
+ ERR(sh, "Could not enable module %s.", module_name);
retval = -2;
goto cleanup;
}
-
- int len = strlen(module_filenames[i]) - strlen(DISABLESTR);
- char *enabled_name = calloc(1, len+1);
- if (!enabled_name) {
- ERR(sh, "Could not allocate memory");
- retval = -1;
- goto cleanup;
- }
-
- strncpy(enabled_name, module_filenames[i],len);
-
- if (rename(module_filenames[i], enabled_name) == -1) {
- ERR(sh, "Could not enable module file %s.",
- enabled_name);
- retval = -2;
- }
retval = 0;
- free(enabled_name);
goto cleanup;
}
}
@@ -1363,28 +1367,14 @@ static int semanage_direct_disable(semanage_handle_t * sh, char *module_name)
goto cleanup;
}
base++;
- if (memcmp(module_name, base, name_len) == 0) {
- if (strcmp(base + name_len + 3, DISABLESTR) == 0) {
- ERR(sh, "Module %s is already disabled.", module_name);
+ if ((memcmp(module_name, base, name_len) == 0) &&
+ (strcmp(base + name_len, ".pp") == 0)) {
+ if (semanage_disable_module(module_filenames[i]) < 0) {
retval = -2;
goto cleanup;
- } else if (strcmp(base + name_len, ".pp") == 0) {
- char disabled_name[PATH_MAX];
- if (snprintf(disabled_name, PATH_MAX, "%s%s",
- module_filenames[i], DISABLESTR) == PATH_MAX) {
- ERR(sh, "Could not disable module file %s.",
- module_filenames[i]);
- retval = -2;
- goto cleanup;
- }
- if (rename(module_filenames[i], disabled_name) == -1) {
- ERR(sh, "Could not disable module file %s.",
- module_filenames[i]);
- retval = -2;
- }
- retval = 0;
- goto cleanup;
}
+ retval=0;
+ goto cleanup;
}
}
ERR(sh, "Module %s was not found.", module_name);
@@ -1418,6 +1408,7 @@ static int semanage_direct_remove(semanage_handle_t * sh, char *module_name)
}
base++;
if (memcmp(module_name, base, name_len) == 0) {
+ semanage_enable_module(module_filenames[i]);
if (unlink(module_filenames[i]) == -1) {
ERR(sh, "Could not remove module file %s.",
module_filenames[i]);
diff --git a/libsemanage/src/genhomedircon.c b/libsemanage/src/genhomedircon.c
index 847d87e..2870fa8 100644
--- a/libsemanage/src/genhomedircon.c
@ -184,191 +20,3 @@ index 847d87e..2870fa8 100644
if (push_user_entry(&head, name, seuname,
prefix, pwent->pw_dir, level) != STATUS_SUCCESS) {
*errors = STATUS_ERR;
diff --git a/libsemanage/src/handle.c b/libsemanage/src/handle.c
index 647f0ee..7adc1cc 100644
--- a/libsemanage/src/handle.c
+++ b/libsemanage/src/handle.c
@@ -261,6 +261,19 @@ void semanage_set_disable_dontaudit(semanage_handle_t * sh, int disable_dontaudi
return;
}
+int semanage_get_preserve_tunables(semanage_handle_t * sh)
+{
+ assert(sh != NULL);
+ return sepol_get_preserve_tunables(sh->sepolh);
+}
+
+void semanage_set_preserve_tunables(semanage_handle_t * sh,
+ int preserve_tunables)
+{
+ assert(sh != NULL);
+ sepol_set_preserve_tunables(sh->sepolh, preserve_tunables);
+}
+
void semanage_set_check_contexts(semanage_handle_t * sh, int do_check_contexts)
{
diff --git a/libsemanage/src/libsemanage.map b/libsemanage/src/libsemanage.map
index 3222e3d..2827abe 100644
--- a/libsemanage/src/libsemanage.map
+++ b/libsemanage/src/libsemanage.map
@@ -22,5 +22,6 @@ LIBSEMANAGE_1.0 {
semanage_is_connected; semanage_get_disable_dontaudit; semanage_set_disable_dontaudit;
semanage_mls_enabled;
semanage_set_check_contexts;
+ semanage_get_preserve_tunables; semanage_set_preserve_tunables;
local: *;
};
diff --git a/libsemanage/src/semanage_store.c b/libsemanage/src/semanage_store.c
index 8d6ff1c..e322992 100644
--- a/libsemanage/src/semanage_store.c
+++ b/libsemanage/src/semanage_store.c
@@ -57,7 +57,7 @@ typedef struct dbase_policydb dbase_t;
#include "debug.h"
-const char *DISABLESTR=".disabled";
+static const char *DISABLESTR="disabled";
#define SEMANAGE_CONF_FILE "semanage.conf"
/* relative path names to enum semanage_paths to special files and
@@ -117,6 +117,7 @@ static const char *semanage_sandbox_paths[SEMANAGE_STORE_NUM_PATHS] = {
"/netfilter_contexts",
"/file_contexts.homedirs",
"/disable_dontaudit",
+ "/preserve_tunables",
};
/* A node used in a linked list of file contexts; used for sorting.
@@ -425,6 +426,13 @@ int semanage_store_access_check(void)
/********************* other I/O functions *********************/
+static int is_disabled_file(const char *file) {
+ char *ptr = strrchr(file, '.');
+ if (! ptr) return 0;
+ ptr++;
+ return (strcmp(ptr, DISABLESTR) == 0);
+}
+
/* Callback used by scandir() to select files. */
static int semanage_filename_select(const struct dirent *d)
{
@@ -435,11 +443,41 @@ static int semanage_filename_select(const struct dirent *d)
return 1;
}
+int semanage_disable_module(const char *file) {
+ char path[PATH_MAX];
+ int in;
+ int n = snprintf(path, PATH_MAX, "%s.%s", file, DISABLESTR);
+ if (n < 0 || n >= PATH_MAX)
+ return -1;
+ if ((in = open(path, O_WRONLY | O_CREAT, S_IRUSR | S_IWUSR)) == -1) {
+ return -1;
+ }
+ close(in);
+ return 0;
+}
+
+int semanage_enable_module(const char *file) {
+ char path[PATH_MAX];
+ int n = snprintf(path, PATH_MAX, "%s.%s", file, DISABLESTR);
+ if (n < 0 || n >= PATH_MAX)
+ return 1;
+
+ if ((unlink(path) < 0) && (errno != ENOENT))
+ return -1;
+ return 0;
+}
+
int semanage_module_enabled(const char *file) {
- int len = strlen(file) - strlen(DISABLESTR);
- return (len < 0 || strcmp(&file[len], DISABLESTR) != 0);
+ char path[PATH_MAX];
+ if (is_disabled_file(file)) return 0;
+ int n = snprintf(path, PATH_MAX, "%s.%s", file, DISABLESTR);
+ if (n < 0 || n >= PATH_MAX)
+ return 1;
+
+ return (access(path, F_OK ) != 0);
}
+/* Callback used by scandir() to select module files. */
static int semanage_modulename_select(const struct dirent *d)
{
if (d->d_name[0] == '.'
@@ -447,7 +485,7 @@ static int semanage_modulename_select(const struct dirent *d)
|| (d->d_name[1] == '.' && d->d_name[2] == '\0')))
return 0;
- return semanage_module_enabled(d->d_name);
+ return (! is_disabled_file(d->d_name));
}
/* Copies a file from src to dst. If dst already exists then
@@ -684,7 +722,7 @@ int semanage_get_modules_names(semanage_handle_t * sh, char ***filenames,
int *len)
{
return semanage_get_modules_names_filter(sh, filenames,
- len, semanage_filename_select);
+ len, semanage_modulename_select);
}
/* Scans the modules directory for the current semanage handler. This
@@ -697,8 +735,25 @@ int semanage_get_modules_names(semanage_handle_t * sh, char ***filenames,
int semanage_get_active_modules_names(semanage_handle_t * sh, char ***filenames,
int *len)
{
- return semanage_get_modules_names_filter(sh, filenames,
- len, semanage_modulename_select);
+
+ int rc = semanage_get_modules_names_filter(sh, filenames,
+ len, semanage_modulename_select);
+ if ( rc != 0 ) return rc;
+
+ int i = 0, num_modules = *len;
+ char **names=*filenames;
+
+ while ( i < num_modules ) {
+ if (! semanage_module_enabled(names[i])) {
+ free(names[i]);
+ names[i]=names[num_modules-1];
+ names[num_modules-1] = NULL;
+ num_modules--;
+ }
+ i++;
+ }
+ *len = num_modules;
+ return 0;
}
/******************* routines that run external programs *******************/
diff --git a/libsemanage/src/semanage_store.h b/libsemanage/src/semanage_store.h
index a0b2dd8..b451308 100644
--- a/libsemanage/src/semanage_store.h
+++ b/libsemanage/src/semanage_store.h
@@ -59,6 +59,7 @@ enum semanage_sandbox_defs {
SEMANAGE_NC,
SEMANAGE_FC_HOMEDIRS,
SEMANAGE_DISABLE_DONTAUDIT,
+ SEMANAGE_PRESERVE_TUNABLES,
SEMANAGE_STORE_NUM_PATHS
};
@@ -85,6 +86,8 @@ int semanage_get_modules_names(semanage_handle_t * sh,
char ***filenames, int *len);
int semanage_module_enabled(const char *file);
+int semanage_enable_module(const char *file);
+int semanage_disable_module(const char *file);
/* lock file routines */
int semanage_get_trans_lock(semanage_handle_t * sh);
int semanage_get_active_lock(semanage_handle_t * sh);
@@ -129,6 +132,4 @@ int semanage_nc_sort(semanage_handle_t * sh,
size_t buf_len,
char **sorted_buf, size_t * sorted_buf_len);
-extern const char *DISABLESTR;
-
#endif

View File

@ -9,8 +9,8 @@
Summary: SELinux binary policy manipulation library
Name: libsemanage
Version: 2.1.3
Release: 2%{?dist}
Version: 2.1.4
Release: 1%{?dist}
License: LGPLv2+
Group: System Environment/Libraries
Source: libsemanage-%{version}.tgz
@ -179,6 +179,12 @@ rm -rf ${RPM_BUILD_ROOT}
%endif # if with_python3
%changelog
* Mon Sep 19 2011 Dan Walsh <dwalsh@redhat.com> - 2.1.4-1
-Update to upstream
* Create a new preserve_tunables flag
* tree: default make target to all not
* fix semanage_store_access_check calling arguments
* Wed Sep 14 2011 Dan Walsh <dwalsh@redhat.com> - 2.1.3-2
- Add support for preserving tunables

View File

@ -1 +1 @@
1130e2604f2b6732f5284b3d612f885f libsemanage-2.1.3.tgz
3810c7b51fc43ea03d34faef934442a0 libsemanage-2.1.4.tgz