X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=user_list.c;h=5652774e0685fc423b462071d72ef728e8b99547;hp=8e21b238a26a0e7a4da29e0d210dfd64ecadf74d;hb=5b8e525dfb2f18a4e0d67b9da264259159ad2184;hpb=2c679eeb8bbc93220f85403eca6e9380dc624a6a diff --git a/user_list.c b/user_list.c index 8e21b238..5652774e 100644 --- a/user_list.c +++ b/user_list.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2006-2007 Andre Noll + * Copyright (C) 2006-2008 Andre Noll * * Licensed under the GPL v2. For licencing details see COPYING. */ @@ -19,28 +19,26 @@ static struct list_head user_list; /* - * 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. + * Fill the list of users known to para_server. + * + * Populates a linked list of all users in \a user_list_file. Returns on + * success, calls exit() on errors. */ static void populate_user_list(char *user_list_file) { - FILE *file_ptr = NULL; - 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; + int ret = -E_USERLIST; + FILE *file_ptr = fopen(user_list_file, "r"); - file_ptr = fopen(user_list_file, "r"); - ret = -E_USERLIST; if (!file_ptr) - goto out; + goto err; for (;;) { + int num; + char line[255]; + /* keyword, name, key, perms */ + char w[255], n[255], k[255], p[255], tmp[4][255]; struct user *u; + 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) @@ -48,13 +46,12 @@ static void populate_user_list(char *user_list_file) if (strcmp(w, "user")) continue; PARA_DEBUG_LOG("found entry for %s\n", n); - u = para_malloc(sizeof(struct user)); + u = para_malloc(sizeof(*u)); u->name = para_strdup(n); ret = get_rsa_key(k, &u->rsa, LOAD_PUBLIC_KEY); if (ret < 0) break; - char_ptr = p; - num = sscanf(char_ptr, "%200[A-Z_],%200[A-Z_],%200[A-Z_],%200[A-Z_]", + num = sscanf(p, "%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); u->perms = 0; @@ -74,12 +71,11 @@ static void populate_user_list(char *user_list_file) } para_list_add(&u->node, &user_list); } -out: - if (file_ptr) - fclose(file_ptr); + fclose(file_ptr); if (ret >= 0) return; - PARA_EMERG_LOG("%s\n", PARA_STRERROR(-ret)); +err: + PARA_EMERG_LOG("%s\n", para_strerror(-ret)); exit(EXIT_FAILURE); }