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Revert "libsemanage: Cleanup/fix enable/disable/remove module."

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This reverts commit c9b09be424.
This commit is contained in:
Steve Lawrence 2013-08-01 09:42:56 -04:00
parent 8b6d00ba72
commit f43e4eba24
2 changed files with 86 additions and 86 deletions
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170
libsemanage/src/direct_api.c
View File

@ -1310,67 +1310,40 @@ static int semanage_direct_install_base_file(semanage_handle_t * sh,
return retval;
}
static int get_module_name(semanage_handle_t * sh, char *modulefile, char **module_name) {
FILE *fp = NULL;
int retval = -1;
char *data = NULL;
char *version = NULL;
ssize_t size;
int type;
struct sepol_policy_file *pf = NULL;
if (sepol_policy_file_create(&pf)) {
ERR(sh, "Out of memory!");
goto cleanup;
}
sepol_policy_file_set_handle(pf, sh->sepolh);
if ((fp = fopen(modulefile, "rb")) == NULL) {
goto cleanup;
}
if ((size = bunzip(sh, fp, &data)) > 0) {
sepol_policy_file_set_mem(pf, data, size);
} else {
rewind(fp);
__fsetlocking(fp, FSETLOCKING_BYCALLER);
sepol_policy_file_set_fp(pf, fp);
}
retval = sepol_module_package_info(pf, &type, module_name, &version);
cleanup:
sepol_policy_file_free(pf);
if (fp)
fclose(fp);
free(data);
free(version);
return retval;
}
static int get_module_file_by_name(semanage_handle_t * sh, const char *module_name, char **module_file) {
/* Enables a module from the sandbox. Returns 0 on success, -1 if out
* of memory, -2 if module not found or could not be enabled. */
static int semanage_direct_enable(semanage_handle_t * sh, char *module_name)
{
int i, retval = -1;
char **module_filenames = NULL;
char *name = NULL;
int num_mod_files;
size_t name_len = strlen(module_name);
if (semanage_get_modules_names(sh, &module_filenames, &num_mod_files) ==
-1) {
return -1;
}
for (i = 0; i < num_mod_files; i++) {
int rc = get_module_name(sh, module_filenames[i], &name);
if (rc < 0)
continue;
if (strcmp(module_name, name) == 0) {
*module_file = strdup(module_filenames[i]);
if (*module_file)
retval = 0;
char *base = strrchr(module_filenames[i], '/');
if (base == NULL) {
ERR(sh, "Could not read module names.");
retval = -2;
goto cleanup;
}
base++;
if (memcmp(module_name, base, name_len) == 0) {
if (semanage_enable_module(module_filenames[i]) < 0) {
ERR(sh, "Could not enable module %s.", module_name);
retval = -2;
goto cleanup;
}
retval = 0;
goto cleanup;
}
free(name); name = NULL;
}
ERR(sh, "Module %s was not found.", module_name);
retval = -2; /* module not found */
cleanup:
free(name);
for (i = 0; module_filenames != NULL && i < num_mod_files; i++) {
free(module_filenames[i]);
}
@ -1378,38 +1351,43 @@ static int get_module_file_by_name(semanage_handle_t * sh, const char *module_na
return retval;
}
/* Enables a module from the sandbox. Returns 0 on success, -1 if out
* of memory, -2 if module not found or could not be enabled. */
static int semanage_direct_enable(semanage_handle_t * sh, char *module_name)
{
char *module_filename = NULL;
int retval = get_module_file_by_name(sh, module_name, &module_filename);
if (retval < 0)
return -1; /* module not found */
retval = semanage_enable_module(module_filename);
if (retval < 0) {
ERR(sh, "Could not enable module file %s.",
module_filename);
retval = -2;
}
free(module_filename);
return retval;
}
/* Disables a module from the sandbox. Returns 0 on success, -1 if out
* of memory, -2 if module not found or could not be enabled. */
static int semanage_direct_disable(semanage_handle_t * sh, char *module_name)
{
char *module_filename = NULL;
int retval = get_module_file_by_name(sh, module_name, &module_filename); if (retval < 0)
return -1; /* module not found */
retval = semanage_disable_module(module_filename);
if (retval < 0) {
ERR(sh, "Could not disable module file %s.",
module_filename);
retval = -2;
int i, retval = -1;
char **module_filenames = NULL;
int num_mod_files;
size_t name_len = strlen(module_name);
if (semanage_get_modules_names(sh, &module_filenames, &num_mod_files) ==
-1) {
return -1;
}
free(module_filename);
for (i = 0; i < num_mod_files; i++) {
char *base = strrchr(module_filenames[i], '/');
if (base == NULL) {
ERR(sh, "Could not read module names.");
retval = -2;
goto cleanup;
}
base++;
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;
}
retval=0;
goto cleanup;
}
}
ERR(sh, "Module %s was not found.", module_name);
retval = -2; /* module not found */
cleanup:
for (i = 0; module_filenames != NULL && i < num_mod_files; i++) {
free(module_filenames[i]);
}
free(module_filenames);
return retval;
}
@ -1417,18 +1395,40 @@ static int semanage_direct_disable(semanage_handle_t * sh, char *module_name)
* of memory, -2 if module not found or could not be removed. */
static int semanage_direct_remove(semanage_handle_t * sh, char *module_name)
{
char *module_filename = NULL;
int retval = get_module_file_by_name(sh, module_name, &module_filename);
if (retval < 0)
return -1; /* module not found */
(void) semanage_enable_module(module_filename); /* Don't care if this fails */
retval = unlink(module_filename);
if (retval < 0) {
ERR(sh, "Could not remove module file %s.",
module_filename);
retval = -2;
int i, retval = -1;
char **module_filenames = NULL;
int num_mod_files;
size_t name_len = strlen(module_name);
if (semanage_get_modules_names(sh, &module_filenames, &num_mod_files) ==
-1) {
return -1;
}
free(module_filename);
for (i = 0; i < num_mod_files; i++) {
char *base = strrchr(module_filenames[i], '/');
if (base == NULL) {
ERR(sh, "Could not read module names.");
retval = -2;
goto cleanup;
}
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]);
retval = -2;
}
retval = 0;
goto cleanup;
}
}
ERR(sh, "Module %s was not found.", module_name);
retval = -2; /* module not found */
cleanup:
for (i = 0; module_filenames != NULL && i < num_mod_files; i++) {
free(module_filenames[i]);
}
free(module_filenames);
return retval;
}

2
libsemanage/src/semanage_store.c
View File

@ -449,7 +449,7 @@ 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;
return 1;
if ((unlink(path) < 0) && (errno != ENOENT))
return -1;