return (long int) ((max + 0.0) * (random() / (RAND_MAX + 1.0)));
}
-/* Open user_list file, returns pointer to opened file on success,
- * NULL on errors
- */
-static FILE *open_user_list(char *file)
-{
- PARA_DEBUG_LOG("opening user list %s\n", file);
- return fopen(file, "r");
-}
-
-/*
- * lookup user in user_list file. Fills in a user struct containing
- * filename of the user's public key as well as the permissions of that user.
- * Returns 1 on success, 0 if user does not exist and < 0 on errors.
- */
-static int get_user(struct user *user) {
- FILE *file_ptr;
- char *char_ptr;
- char line[MAXLINE];
- /* keyword, user, key, perms */
- char w[MAXLINE], n[MAXLINE], k[MAXLINE], p[MAXLINE], tmp[4][MAXLINE];
- int num, ret;
-
- file_ptr = open_user_list(user_list);
- if (!file_ptr)
- return -E_USERLIST;
- for (;;) {
- ret = para_fgets(line, MAXLINE, file_ptr);
- if (ret < 0)
- PARA_ERROR_LOG("%s\n", PARA_STRERROR(-ret));
- if (ret <= 0)
- break;
- if (sscanf(line,"%200s %200s %200s %200s", w, n, k, p) < 3)
- continue;
- if (strcmp(w, "user") || strcmp(user->name, n))
- continue;
- PARA_DEBUG_LOG("found entry for %s\n", n);
- strcpy(user->name, n);
- strcpy(user->pubkey_file, k);
- user->perms = 0;
- char_ptr = p;
- num = sscanf(char_ptr, "%200[A-Z_],%200[A-Z_],%200[A-Z_],%200[A-Z_]",
- tmp[0], tmp[1], tmp[2], tmp[3]);
- PARA_DEBUG_LOG("found %i perm entries\n", num);
- user->perms = 0;
- while (num > 0) {
- num--;
- if (!strcmp(tmp[num], "AFS_READ"))
- user->perms = user->perms | AFS_READ;
- else if (!strcmp(tmp[num], "AFS_WRITE"))
- user->perms = user->perms | AFS_WRITE;
- else if (!strcmp(tmp[num], "DB_READ"))
- user->perms = user->perms | DB_READ;
- else if (!strcmp(tmp[num], "DB_WRITE"))
- user->perms = user->perms | DB_WRITE;
- else /* unknown permission */
- PARA_WARNING_LOG("unknown permission: %s\n",
- tmp[num]);
- }
- break;
- }
- fclose(file_ptr);
- return ret;
-}
-
static void init_rc4_keys(void)
{
int i;