1 files changed, 0 insertions, 277 deletions
diff --git a/src/stringrep.c b/src/stringrep.c
deleted file mode 100644
index c867222..0000000
--- a/src/stringrep.c
+++ /dev/null
@@ -1,277 +0,0 @@
-/*
- * String representation support for classes and permissions.
- */
-#include <sys/stat.h>
-#include <dirent.h>
-#include <fcntl.h>
-#include <limits.h>
-#include <unistd.h>
-#include <errno.h>
-#include <stddef.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <stdint.h>
-#include <ctype.h>
-#include "selinux_internal.h"
-#include "policy.h"
-#include "mapping.h"
-
-#define MAXVECTORS 8*sizeof(access_vector_t)
-
-struct discover_class_node {
-	char *name;
-	security_class_t value;
-	char **perms;
-
-	struct discover_class_node *next;
-};
-
-static struct discover_class_node *discover_class_cache = NULL;
-
-static struct discover_class_node * get_class_cache_entry_name(const char *s)
-{
-	struct discover_class_node *node = discover_class_cache;
-
-	for (; node != NULL && strcmp(s,node->name) != 0; node = node->next);
-
-	return node;
-}
-
-static struct discover_class_node * get_class_cache_entry_value(security_class_t c)
-{
-	struct discover_class_node *node = discover_class_cache;
-
-	for (; node != NULL && c != node->value; node = node->next);
-
-	return node;
-}
-
-static struct discover_class_node * discover_class(const char *s)
-{
-	int fd, ret;
-	char path[PATH_MAX];
-	char buf[20];
-	DIR *dir;
-	struct dirent *dentry;
-	size_t i;
-
-	struct discover_class_node *node;
-
-	if (!selinux_mnt) {
-		errno = ENOENT;
-		return NULL;
-	}
-
-	/* allocate a node */
-	node = malloc(sizeof(struct discover_class_node));
-	if (node == NULL)
-		return NULL;
-
-	/* allocate array for perms */
-	node->perms = calloc(MAXVECTORS,sizeof(char*));
-	if (node->perms == NULL)
-		goto err1;
-
-	/* load up the name */
-	node->name = strdup(s);
-	if (node->name == NULL)
-		goto err2;
-
-	/* load up class index */
-	snprintf(path, sizeof path, "%s/class/%s/index", selinux_mnt,s);
-	fd = open(path, O_RDONLY);
-	if (fd < 0)
-		goto err3;
-
-	memset(buf, 0, sizeof(buf));
-	ret = read(fd, buf, sizeof(buf) - 1);
-	close(fd);
-	if (ret < 0)
-		goto err3;
-
-	if (sscanf(buf, "%hu", &node->value) != 1)
-		goto err3;
-
-	/* load up permission indicies */
-	snprintf(path, sizeof path, "%s/class/%s/perms",selinux_mnt,s);
-	dir = opendir(path);
-	if (dir == NULL)
-		goto err3;
-
-	dentry = readdir(dir);
-	while (dentry != NULL) {
-		unsigned int value;
-		struct stat m;
-
-		snprintf(path, sizeof path, "%s/class/%s/perms/%s", selinux_mnt,s,dentry->d_name);
-		fd = open(path, O_RDONLY | O_CLOEXEC);
-		if (fd < 0)
-			goto err4;
-
-		if (fstat(fd, &m) < 0) {
-			close(fd);
-			goto err4;
-		}
-
-		if (m.st_mode & S_IFDIR) {
-			close(fd);
-			dentry = readdir(dir);
-			continue;
-		}
-
-		memset(buf, 0, sizeof(buf));
-		ret = read(fd, buf, sizeof(buf) - 1);
-		close(fd);
-		if (ret < 0)
-			goto err4;
-
-		if (sscanf(buf, "%u", &value) != 1)
-			goto err4;
-
-		if (value == 0 || value > MAXVECTORS)
-			goto err4;
-
-		node->perms[value-1] = strdup(dentry->d_name);
-		if (node->perms[value-1] == NULL)
-			goto err4;
-
-		dentry = readdir(dir);
-	}
-	closedir(dir);
-
-	node->next = discover_class_cache;
-	discover_class_cache = node;
-
-	return node;
-
-err4:
-	closedir(dir);
-	for (i=0; i<MAXVECTORS; i++)
-		free(node->perms[i]);
-err3:
-	free(node->name);
-err2:
-	free(node->perms);
-err1:
-	free(node);
-	return NULL;
-}
-
-security_class_t string_to_security_class(const char *s)
-{
-	struct discover_class_node *node;
-
-	node = get_class_cache_entry_name(s);
-	if (node == NULL) {
-		node = discover_class(s);
-
-		if (node == NULL) {
-			errno = EINVAL;
-			return 0;
-		}
-	}
-
-	return map_class(node->value);
-}
-
-access_vector_t string_to_av_perm(security_class_t tclass, const char *s)
-{
-	struct discover_class_node *node;
-	security_class_t kclass = unmap_class(tclass);
-
-	node = get_class_cache_entry_value(kclass);
-	if (node != NULL) {
-		size_t i;
-		for (i=0; i<MAXVECTORS && node->perms[i] != NULL; i++)
-			if (strcmp(node->perms[i],s) == 0)
-				return map_perm(tclass, 1<<i);
-	}
-
-	errno = EINVAL;
-	return 0;
-}
-
-const char *security_class_to_string(security_class_t tclass)
-{
-	struct discover_class_node *node;
-
-	tclass = unmap_class(tclass);
-
-	node = get_class_cache_entry_value(tclass);
-	if (node)
-		return node->name;
-	return NULL;
-}
-
-const char *security_av_perm_to_string(security_class_t tclass,
-				       access_vector_t av)
-{
-	struct discover_class_node *node;
-	size_t i;
-
-	av = unmap_perm(tclass, av);
-	tclass = unmap_class(tclass);
-
-	node = get_class_cache_entry_value(tclass);
-	if (av && node)
-		for (i = 0; i<MAXVECTORS; i++)
-			if ((1<<i) & av)
-				return node->perms[i];
-
-	return NULL;
-}
-
-int security_av_string(security_class_t tclass, access_vector_t av, char **res)
-{
-	unsigned int i = 0;
-	size_t len = 5;
-	access_vector_t tmp = av;
-	int rc = 0;
-	const char *str;
-	char *ptr;
-
-	/* first pass computes the required length */
-	while (tmp) {
-		if (tmp & 1) {
-			str = security_av_perm_to_string(tclass, av & (1<<i));
-			if (str)
-				len += strlen(str) + 1;
-			else {
-				rc = -1;
-				errno = EINVAL;
-				goto out;
-			}
-		}
-		tmp >>= 1;
-		i++;
-	}
-
-	*res = malloc(len);
-	if (!*res) {
-		rc = -1;
-		goto out;
-	}
-
-	/* second pass constructs the string */
-	i = 0;
-	tmp = av;
-	ptr = *res;
-
-	if (!av) {
-		sprintf(ptr, "null");
-		goto out;
-	}
-
-	ptr += sprintf(ptr, "{ ");
-	while (tmp) {
-		if (tmp & 1)
-			ptr += sprintf(ptr, "%s ", security_av_perm_to_string(
-					       tclass, av & (1<<i)));
-		tmp >>= 1;
-		i++;
-	}
-	sprintf(ptr, "}");
-out:
-	return rc;
-}