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authorJosé Bollo <jose.bollo@iot.bzh>2018-01-24 11:38:43 +0100
committerJosé Bollo <jose.bollo@iot.bzh>2018-02-13 11:02:00 +0100
commitf70d712e4f505f5c5b50ae17f4f023d20a667568 (patch)
tree57b0aaa702651012e1adfc07f9b6b6c580506f66 /meta-security/recipes-test/app-runas/files
parent3f962c7d202055777dd0238f12dbcf70f09ac07d (diff)
Integrate parts of meta-intel-iot-security
Adds the recipes of the sub layers - meta-security-framework - meta-security-smack Change-Id: I618608008a3b3d1d34adb6e38048110f13ac0643 Signed-off-by: José Bollo <jose.bollo@iot.bzh>
Diffstat (limited to 'meta-security/recipes-test/app-runas/files')
-rw-r--r--meta-security/recipes-test/app-runas/files/app-runas.cpp221
1 files changed, 221 insertions, 0 deletions
diff --git a/meta-security/recipes-test/app-runas/files/app-runas.cpp b/meta-security/recipes-test/app-runas/files/app-runas.cpp
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index 000000000..58fa15504
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+++ b/meta-security/recipes-test/app-runas/files/app-runas.cpp
@@ -0,0 +1,221 @@
+// (C) Copyright 2015 Intel Corporation
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#include <security-manager.h>
+
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+
+#include <sys/types.h>
+#include <sys/wait.h>
+
+#include <string>
+#include <vector>
+
+#define CHECK(x) { \
+ int _ret = x; \
+ if (_ret != SECURITY_MANAGER_SUCCESS) { \
+ fprintf(stderr, "Failure in %s:%d: %s: %d = %s\n", __FILE__, __LINE__, #x, _ret, security_manager_strerror((lib_retcode)_ret)); \
+ return EXIT_FAILURE; \
+ } \
+ }
+
+static int do_install(app_inst_req *preq)
+{
+ CHECK(security_manager_app_install(preq));
+ return 0;
+}
+
+static int do_uninstall(app_inst_req *preq)
+{
+ CHECK(security_manager_app_uninstall(preq));
+ return 0;
+}
+
+static int do_run(const char *appid, const char *uid, const char *file, char *const argv[])
+{
+ if (!appid || !uid) {
+ fprintf(stderr, "Always need appid, uid for app startup.\n");
+ return EXIT_FAILURE;
+ }
+
+ pid_t child = fork();
+ if (child == -1) {
+ perror("fork");
+ return EXIT_FAILURE;
+ } else if (child) {
+ int status;
+ child = waitpid(child, &status, 0);
+ if (child == -1) {
+ perror("waitpid");
+ return EXIT_FAILURE;
+ }
+ } else {
+ // We cannot change the UID before security_manager_prepare_app()
+ // (because then setup_smack() fails to change Smack labels of
+ // our fds) and we cannot change the UID after it (because then
+ // security_manager_drop_process_privileges() has already dropped
+ // the necessary CAP_SETUID.
+ // Instead, we need to do the steps from security_manager_prepare_app()
+ // ourselves.
+ CHECK(security_manager_set_process_label_from_appid(appid));
+ CHECK(security_manager_set_process_groups_from_appid(appid));
+ if (setuid(atoi(uid))) {
+ fprintf(stderr, "setuid(%s): %s\n", uid, strerror(errno));
+ exit(EXIT_FAILURE);
+ }
+ CHECK(security_manager_drop_process_privileges());
+ // CHECK(security_manager_prepare_app(appid));
+
+ execvp(file, argv);
+ fprintf(stderr, "execvp(%s): %s", argv[optind], strerror(errno));
+ exit(EXIT_FAILURE);
+ }
+ return 0;
+}
+
+int main(int argc, char **argv)
+{
+ int flags, opt;
+ int nsecs, tfnd;
+ const char *appid = NULL;
+ const char *pkgid = NULL;
+ const char *uid = NULL;
+ std::vector<const char *> privileges;
+ std::vector< std::pair<app_install_path_type, std::string> > paths;
+ int install = 0, uninstall = 0, run = 0;
+
+ while ((opt = getopt(argc, argv, "a:p:u:r:t:ide")) != -1) {
+ switch (opt) {
+ case 'a':
+ appid = optarg;
+ break;
+ case 'p':
+ pkgid = optarg;
+ break;
+ case 'u':
+ uid = optarg;
+ break;
+ case 'r':
+ privileges.push_back(optarg);
+ break;
+ case 't': {
+ const char *colon = strchr(optarg, ':');
+ if (!colon) {
+ fprintf(stderr, "-t parameter must be of the format <type>:<path>");
+ return EXIT_FAILURE;
+ }
+ std::string typestr(optarg, colon - optarg);
+ std::string path(colon + 1);
+ app_install_path_type type;
+ if (typestr == "private") {
+ type = SECURITY_MANAGER_PATH_PRIVATE;
+ } else if (typestr == "public") {
+ type = SECURITY_MANAGER_PATH_PUBLIC;
+ } else if (typestr == "public-ro") {
+ type = SECURITY_MANAGER_PATH_PUBLIC_RO;
+ } else if (typestr == "rw") {
+ type = SECURITY_MANAGER_PATH_RW;
+ } else if (typestr == "ro") {
+ type = SECURITY_MANAGER_PATH_PRIVATE;
+ } else {
+ fprintf(stderr, "Invalid -t type: %s", typestr.c_str());
+ return EXIT_FAILURE;
+ }
+ paths.push_back(std::make_pair(type, path));
+ break;
+ }
+ case 'i':
+ install = 1;
+ break;
+ case 'd':
+ uninstall = 1;
+ break;
+ case 'e':
+ run = 1;
+ break;
+ default: /* '?' */
+ fprintf(stderr,
+ "Usage: %s -i|-e|-d -a appid -u uid -p pkgid -r privilege1 ... -t private|public|public-ro|rw:<path> ... -- command args\n"
+ " -i = install, command ignored\n"
+ " -e = run command, privileges and pkgid ignored\n"
+ " -d = uninstall, command and privileges ignored\n"
+ " Install, run, and uninstall can be combined into a single invocation.\n",
+ argv[0]);
+ exit(EXIT_FAILURE);
+ break;
+ }
+ }
+
+ if ((install || uninstall) &&
+ (!appid || !pkgid || !uid)) {
+ fprintf(stderr, "Always need appid, pkgid, uid for app install or uninstall.\n");
+ return EXIT_FAILURE;
+ }
+ if (run && optind >= argc) {
+ fprintf(stderr, "Expected command after options\n");
+ return EXIT_FAILURE;
+ }
+
+ app_inst_req *preq;
+ CHECK(security_manager_app_inst_req_new(&preq));
+ if (appid) {
+ CHECK(security_manager_app_inst_req_set_app_id(preq, appid));
+ }
+ if (pkgid) {
+ CHECK(security_manager_app_inst_req_set_pkg_id(preq, pkgid));
+ }
+ if (uid) {
+ CHECK(security_manager_app_inst_req_set_uid(preq, atoi(uid)));
+ }
+ for (size_t i = 0; i < paths.size(); i++) {
+ security_manager_app_inst_req_add_path(preq, paths[i].second.c_str(), paths[i].first);
+ }
+ for (size_t i = 0; i < privileges.size(); i++) {
+ CHECK(security_manager_app_inst_req_add_privilege(preq, privileges[i]));
+ }
+
+ int result = 0;
+ bool install_failed = false;
+ if (install) {
+ result = do_install(preq);
+ if (result) {
+ install_failed = true;
+ }
+ }
+ if (run && !install_failed) {
+ int run_result = do_run(appid, uid, argv[optind], argv + optind);
+ if (run_result) {
+ result = run_result;
+ }
+ }
+ if (uninstall && !install_failed) {
+ int uninstall_result = do_uninstall(preq);
+ if (uninstall_result) {
+ result = uninstall_result;
+ }
+ }
+
+ security_manager_app_inst_req_free(preq);
+ return result;
+}