1 files changed, 0 insertions, 274 deletions
diff --git a/packages/google-compute-engine-oslogin/src/nss/nss_cache_oslogin.c b/packages/google-compute-engine-oslogin/src/nss/nss_cache_oslogin.c
deleted file mode 100644
index 55bb78d..0000000
--- a/packages/google-compute-engine-oslogin/src/nss/nss_cache_oslogin.c
+++ /dev/null
@@ -1,274 +0,0 @@
-// Copyright 2018 Google Inc. All Rights Reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// An NSS module which adds supports for file /etc/oslogin_passwd.cache
-
-#include <nss_cache_oslogin.h>
-#include <compat.h>
-
-#include <sys/mman.h>
-
-// Locking implementation: use pthreads.
-#include <pthread.h>
-static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
-#define NSS_CACHE_OSLOGIN_LOCK() \
-  do {                           \
-    pthread_mutex_lock(&mutex);  \
-  } while (0)
-#define NSS_CACHE_OSLOGIN_UNLOCK() \
-  do {                             \
-    pthread_mutex_unlock(&mutex);  \
-  } while (0)
-
-static FILE *p_file = NULL;
-static char p_filename[NSS_CACHE_OSLOGIN_PATH_LENGTH] = NSS_CACHE_OSLOGIN_PATH;
-#ifdef BSD
-extern int fgetpwent_r(FILE *, struct passwd *, char *, size_t,
-                       struct passwd **);
-#endif  // ifdef BSD
-
-/* Common return code routine for all *ent_r_locked functions.
- * We need to return TRYAGAIN if the underlying files guy raises ERANGE,
- * so that our caller knows to try again with a bigger buffer.
- */
-
-static inline enum nss_status _nss_cache_oslogin_ent_bad_return_code(
-    int errnoval) {
-  enum nss_status ret;
-
-  switch (errnoval) {
-    case ERANGE:
-      DEBUG("ERANGE: Try again with a bigger buffer\n");
-      ret = NSS_STATUS_TRYAGAIN;
-      break;
-    case ENOENT:
-    default:
-      DEBUG("ENOENT or default case: Not found\n");
-      ret = NSS_STATUS_NOTFOUND;
-  };
-  return ret;
-}
-
-//
-// Routines for passwd map defined below here
-//
-
-// _nss_cache_oslogin_pwuid_wrap()
-// Internal wrapper for binary searches, using uid-specific calls.
-
-static enum nss_cache_oslogin_match _nss_cache_oslogin_pwuid_wrap(
-    FILE *file, struct nss_cache_oslogin_args *args) {
-  struct passwd *result = args->lookup_result;
-  uid_t *uid = args->lookup_value;
-
-  if (fgetpwent_r(file, result, args->buffer, args->buflen, &result) == 0) {
-    if (result->pw_uid == *uid) {
-      DEBUG("SUCCESS: found user %d:%s\n", result->pw_uid, result->pw_name);
-      return NSS_CACHE_OSLOGIN_EXACT;
-    }
-    DEBUG("Failed match at uid %d\n", result->pw_uid);
-    if (result->pw_uid > *uid) {
-      return NSS_CACHE_OSLOGIN_HIGH;
-    } else {
-      return NSS_CACHE_OSLOGIN_LOW;
-    }
-  }
-
-  return NSS_CACHE_OSLOGIN_ERROR;
-}
-
-// _nss_cache_oslogin_pwnam_wrap()
-// Internal wrapper for binary searches, using username-specific calls.
-
-static enum nss_cache_oslogin_match _nss_cache_oslogin_pwnam_wrap(
-    FILE *file, struct nss_cache_oslogin_args *args) {
-  struct passwd *result = args->lookup_result;
-  char *name = args->lookup_value;
-  int ret;
-
-  if (fgetpwent_r(file, result, args->buffer, args->buflen, &result) == 0) {
-    ret = strcoll(result->pw_name, name);
-    if (ret == 0) {
-      DEBUG("SUCCESS: found user %s\n", result->pw_name);
-      return NSS_CACHE_OSLOGIN_EXACT;
-    }
-    DEBUG("Failed match at name %s\n", result->pw_name);
-    if (ret > 0) {
-      return NSS_CACHE_OSLOGIN_HIGH;
-    } else {
-      return NSS_CACHE_OSLOGIN_LOW;
-    }
-  }
-
-  return NSS_CACHE_OSLOGIN_ERROR;
-}
-
-// _nss_cache_oslogin_setpwent_locked()
-// Internal setup routine
-
-static enum nss_status _nss_cache_oslogin_setpwent_locked(void) {
-  DEBUG("%s %s\n", "Opening", p_filename);
-  p_file = fopen(p_filename, "r");
-
-  if (p_file) {
-    return NSS_STATUS_SUCCESS;
-  } else {
-    return NSS_STATUS_UNAVAIL;
-  }
-}
-
-// _nss_cache_oslogin_setpwent()
-// Called by NSS to open the passwd file
-// 'stayopen' parameter is ignored.
-
-enum nss_status _nss_cache_oslogin_setpwent(int stayopen) {
-  enum nss_status ret;
-  NSS_CACHE_OSLOGIN_LOCK();
-  ret = _nss_cache_oslogin_setpwent_locked();
-  NSS_CACHE_OSLOGIN_UNLOCK();
-  return ret;
-}
-
-// _nss_cache_oslogin_endpwent_locked()
-// Internal close routine
-
-static enum nss_status _nss_cache_oslogin_endpwent_locked(void) {
-  DEBUG("Closing passwd.cache\n");
-  if (p_file) {
-    fclose(p_file);
-    p_file = NULL;
-  }
-  return NSS_STATUS_SUCCESS;
-}
-
-// _nss_cache_oslogin_endpwent()
-// Called by NSS to close the passwd file
-
-enum nss_status _nss_cache_oslogin_endpwent(void) {
-  enum nss_status ret;
-  NSS_CACHE_OSLOGIN_LOCK();
-  ret = _nss_cache_oslogin_endpwent_locked();
-  NSS_CACHE_OSLOGIN_UNLOCK();
-  return ret;
-}
-
-// _nss_cache_oslogin_getpwent_r_locked()
-// Called internally to return the next entry from the passwd file
-
-static enum nss_status _nss_cache_oslogin_getpwent_r_locked(
-    struct passwd *result, char *buffer, size_t buflen, int *errnop) {
-  enum nss_status ret = NSS_STATUS_SUCCESS;
-
-  if (p_file == NULL) {
-    DEBUG("p_file == NULL, going to setpwent\n");
-    ret = _nss_cache_oslogin_setpwent_locked();
-  }
-
-  if (ret == NSS_STATUS_SUCCESS) {
-    if (fgetpwent_r(p_file, result, buffer, buflen, &result) == 0) {
-      DEBUG("Returning user %d:%s\n", result->pw_uid, result->pw_name);
-    } else {
-      if (errno == ENOENT) {
-        errno = 0;
-      }
-      *errnop = errno;
-      ret = _nss_cache_oslogin_ent_bad_return_code(*errnop);
-    }
-  }
-
-  return ret;
-}
-
-// _nss_cache_oslogin_getpwent_r()
-// Called by NSS to look up next entry in passwd file
-
-enum nss_status _nss_cache_oslogin_getpwent_r(struct passwd *result,
-                                              char *buffer, size_t buflen,
-                                              int *errnop) {
-  enum nss_status ret;
-  NSS_CACHE_OSLOGIN_LOCK();
-  ret = _nss_cache_oslogin_getpwent_r_locked(result, buffer, buflen, errnop);
-  NSS_CACHE_OSLOGIN_UNLOCK();
-  return ret;
-}
-
-// _nss_cache_oslogin_getpwuid_r()
-// Find a user account by uid
-
-enum nss_status _nss_cache_oslogin_getpwuid_r(uid_t uid, struct passwd *result,
-                                              char *buffer, size_t buflen,
-                                              int *errnop) {
-  enum nss_status ret;
-
-  NSS_CACHE_OSLOGIN_LOCK();
-  ret = _nss_cache_oslogin_setpwent_locked();
-
-  if (ret == NSS_STATUS_SUCCESS) {
-    while ((ret = _nss_cache_oslogin_getpwent_r_locked(
-                result, buffer, buflen, errnop)) == NSS_STATUS_SUCCESS) {
-      if (result->pw_uid == uid) break;
-    }
-  }
-
-  _nss_cache_oslogin_endpwent_locked();
-  NSS_CACHE_OSLOGIN_UNLOCK();
-
-  return ret;
-}
-
-// _nss_cache_oslogin_getpwnam_r()
-// Find a user account by name
-
-enum nss_status _nss_cache_oslogin_getpwnam_r(const char *name,
-                                              struct passwd *result,
-                                              char *buffer, size_t buflen,
-                                              int *errnop) {
-  enum nss_status ret;
-
-  NSS_CACHE_OSLOGIN_LOCK();
-  ret = _nss_cache_oslogin_setpwent_locked();
-
-  if (ret == NSS_STATUS_SUCCESS) {
-    while ((ret = _nss_cache_oslogin_getpwent_r_locked(
-                result, buffer, buflen, errnop)) == NSS_STATUS_SUCCESS) {
-      if (!strcmp(result->pw_name, name)) break;
-    }
-  }
-
-  _nss_cache_oslogin_endpwent_locked();
-  NSS_CACHE_OSLOGIN_UNLOCK();
-
-  return ret;
-}
-
-NSS_METHOD_PROTOTYPE(__nss_compat_getpwnam_r);
-NSS_METHOD_PROTOTYPE(__nss_compat_getpwuid_r);
-NSS_METHOD_PROTOTYPE(__nss_compat_getpwent_r);
-NSS_METHOD_PROTOTYPE(__nss_compat_setpwent);
-NSS_METHOD_PROTOTYPE(__nss_compat_endpwent);
-
-DECLARE_NSS_METHOD_TABLE(methods,
-    { NSDB_PASSWD, "getpwnam_r", __nss_compat_getpwnam_r,
-      (void*)_nss_cache_oslogin_getpwnam_r },
-    { NSDB_PASSWD, "getpwuid_r", __nss_compat_getpwuid_r,
-      (void*)_nss_cache_oslogin_getpwuid_r },
-    { NSDB_PASSWD, "getpwent_r", __nss_compat_getpwent_r,
-      (void*)_nss_cache_oslogin_getpwent_r },
-    { NSDB_PASSWD, "endpwent",   __nss_compat_endpwent,
-      (void*)_nss_cache_oslogin_endpwent },
-    { NSDB_PASSWD, "setpwent",   __nss_compat_setpwent,
-      (void*)_nss_cache_oslogin_setpwent },
-)
-
-NSS_REGISTER_METHODS(methods)