X-Git-Url: https://jfr.im/git/solanum.git/blobdiff_plain/e2e34c3212bf809be1295f9b98c8423e119c70f5..9d2e66c08d51216b3fe99b4c62d97eb1d09294bb:/authd/authd.c diff --git a/authd/authd.c b/authd/authd.c index c6ed0911..23ac2a4b 100644 --- a/authd/authd.c +++ b/authd/authd.c @@ -1,5 +1,5 @@ /* authd/authd.c - main code for authd - * Copyright (c) 2016 William Pitcock + * Copyright (c) 2016 Ariadne Conill * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -25,6 +25,7 @@ #define MAXPARA 10 +static void error_cb(rb_helper *helper) __attribute__((noreturn)); static void handle_reload(int parc, char *parv[]); static void handle_stat(int parc, char *parv[]); static void handle_options(int parc, char *parv[]); @@ -32,7 +33,8 @@ static void handle_options(int parc, char *parv[]); rb_helper *authd_helper = NULL; authd_cmd_handler authd_cmd_handlers[256] = { ['C'] = handle_new_connection, - ['D'] = resolve_dns, + ['D'] = handle_resolve_dns, + ['E'] = handle_cancel_connection, ['O'] = handle_options, ['R'] = handle_reload, ['S'] = handle_stat, @@ -52,6 +54,7 @@ static void handle_stat(int parc, char *parv[]) { authd_stat_handler handler; + unsigned long long rid; if(parc < 3) { @@ -59,10 +62,16 @@ handle_stat(int parc, char *parv[]) return; } + if((rid = strtoull(parv[1], NULL, 16)) > UINT32_MAX) + { + warn_opers(L_CRIT, "BUG: handle_stat got a rid that was too large: %s", parv[1]); + return; + } + if (!(handler = authd_stat_handlers[(unsigned char)parv[2][0]])) return; - handler(parv[1], parv[2][0]); + handler((uint32_t)rid, parv[2][0]); } static void @@ -70,9 +79,9 @@ handle_options(int parc, char *parv[]) { struct auth_opts_handler *handler; - if(parc < 4) + if(parc < 2) { - warn_opers(L_CRIT, "BUG: handle_options received too few parameters (at least 4 expected, got %d)", parc); + warn_opers(L_CRIT, "BUG: handle_options received too few parameters (at least 2 expected, got %d)", parc); return; } @@ -88,7 +97,7 @@ handle_options(int parc, char *parv[]) return; } - handler->handler(parv[1], parc - 2, (const char **)(parv + 3)); + handler->handler(parv[1], parc - 2, (const char **)&parv[2]); } static void @@ -96,13 +105,13 @@ handle_reload(int parc, char *parv[]) { authd_reload_handler handler; - if(parc < 2) + if(parc <= 2) { /* Reload all handlers */ for(size_t i = 0; i < 256; i++) { if ((handler = authd_reload_handlers[(unsigned char) i]) != NULL) - handler(parv[1][0]); + handler('\0'); } return; @@ -139,21 +148,18 @@ parse_request(rb_helper *helper) static void error_cb(rb_helper *helper) { - exit(1); + exit(EX_ERROR); } -#ifndef _WIN32 static void dummy_handler(int sig) { return; } -#endif static void setup_signals(void) { -#ifndef _WIN32 struct sigaction act; act.sa_flags = 0; @@ -176,7 +182,6 @@ setup_signals(void) act.sa_handler = dummy_handler; sigaction(SIGALRM, &act, 0); -#endif } int @@ -188,13 +193,13 @@ main(int argc, char *argv[]) if(authd_helper == NULL) { fprintf(stderr, "authd is not meant to be invoked by end users\n"); - exit(1); + exit(EX_ERROR); } rb_set_time(); setup_signals(); - authd_option_handlers = rb_dictionary_create("authd options handlers", strcasecmp); + authd_option_handlers = rb_dictionary_create("authd options handlers", rb_strcasecmp); init_resolver(); init_providers(); @@ -202,5 +207,10 @@ main(int argc, char *argv[]) rb_helper_loop(authd_helper, 0); + /* + * XXX this function will never be called from here -- is it necessary? + */ + destroy_providers(); + return 0; }