X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=server.c;h=6195266bb8f87ca168c410c44aef5dfac18586b4;hp=2b5971474c1b0f6ec7e55e775ed290680ce36f0d;hb=883af7d8af543616fe4ca09b0273dd4f59848779;hpb=f269333700038603703ec79c909d514bee731faf diff --git a/server.c b/server.c index 2b597147..6195266b 100644 --- a/server.c +++ b/server.c @@ -42,7 +42,8 @@ #include "string.h" #include "ipc.h" #include "fd.h" -#include "crypt.h" +#include "signal.h" +#include "user_list.h" /** define the array of error lists needed by para_server */ INIT_SERVER_ERRLISTS; @@ -58,8 +59,7 @@ struct misc_meta_data *mmd; * senders. */ struct server_args_info conf; -char *user_list = NULL; -struct list_head _user_list; +char *user_list_file = NULL; extern void dccp_send_init(struct sender *); extern void http_send_init(struct sender *); extern void ortp_send_init(struct sender *); @@ -223,11 +223,11 @@ static void parse_config(int override) cf = conf.config_file_arg; else cf = make_message("%s/.paraslash/server.conf", home); - free(user_list); + free(user_list_file); if (!conf.user_list_given) - user_list = make_message("%s/.paraslash/server.users", home); + user_list_file = make_message("%s/.paraslash/server.users", home); else - user_list = para_strdup(conf.user_list_arg); + user_list_file = para_strdup(conf.user_list_arg); ret = stat(cf, &statbuf); if (ret && conf.config_file_given) { ret = -1; @@ -253,8 +253,8 @@ out: free(home); if (ret > 0) return; - free(user_list); - user_list = NULL; + free(user_list_file); + user_list_file = NULL; exit(EXIT_FAILURE); } @@ -276,102 +276,6 @@ static void setup_signal_handling(void) } } -/* - * 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 void populate_user_list(void) { - 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; - - file_ptr = fopen(user_list, "r"); - ret = -E_USERLIST; - if (!file_ptr) - goto out; - for (;;) { - 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) - continue; - if (strcmp(w, "user")) - continue; - PARA_DEBUG_LOG("found entry for %s\n", n); - u = para_malloc(sizeof(struct _user)); - u->name = para_strdup(n); - u->rsa = para_malloc(sizeof(RSA)); - ret = get_rsa_key(k, &u->rsa, 0 /* public */); - if (ret < 0) - break; - u->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); - u->perms = 0; - while (num > 0) { - num--; - if (!strcmp(tmp[num], "AFS_READ")) - u->perms |= AFS_READ; - else if (!strcmp(tmp[num], "AFS_WRITE")) - u->perms |= AFS_WRITE; - else if (!strcmp(tmp[num], "DB_READ")) - u->perms |= DB_READ; - else if (!strcmp(tmp[num], "DB_WRITE")) - u->perms |= DB_WRITE; - else /* unknown permission */ - PARA_WARNING_LOG("unknown permission: %s\n", - tmp[num]); - } - para_list_add(&u->node, &_user_list); - } -out: - if (file_ptr) - fclose(file_ptr); - if (ret >= 0) - return; - PARA_EMERG_LOG("%s\n", PARA_STRERROR(-ret)); - exit(EXIT_FAILURE); -} - -static void init_user_list(void) -{ - struct _user *u, *tmp; - static int initialized; - - if (initialized) { - list_for_each_entry_safe(u, tmp, &_user_list, node) { - list_del(&u->node); - free(u->name); - free(u->rsa); - free(u); - } - } else - INIT_LIST_HEAD(&_user_list); - initialized = 1; - populate_user_list(); -} - -int _get_user(struct _user *user) -{ - struct _user *u; - list_for_each_entry(u, &_user_list, node) { - if (strcmp(u->name, user->name)) - continue; - *user = *u; - return 1; - } - return 0; -} - static void init_selector(void) { int i, ret; @@ -451,7 +355,7 @@ static unsigned do_inits(int argc, char **argv) log_welcome("para_server", conf.loglevel_arg); shm_init(); /* init mmd struct */ server_uptime(UPTIME_SET); /* reset server uptime */ - init_user_list(); + init_user_list(user_list_file); /* become daemon */ if (conf.daemon_given) daemon_init(); @@ -497,6 +401,7 @@ static void handle_sighup(void) parse_config(1); /* reopens log */ mmd->selector_change = mmd->selector_num; /* do not change selector.. */ change_selector(); /* .. just reload */ + init_user_list(user_list_file); /* reload user list */ } static void status_refresh(void)