X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~mdw/git/disorder/blobdiff_plain/c4e2cfdd2d1eabe3d556fb7a5938eca465f9c249..0227f67dfe89db21ec0262bc054e50f38c2102fb:/lib/client-common.c diff --git a/lib/client-common.c b/lib/client-common.c index e1fcce9..d269129 100644 --- a/lib/client-common.c +++ b/lib/client-common.c @@ -1,6 +1,6 @@ /* * This file is part of DisOrder - * Copyright (C) 2004, 2005, 2006 Richard Kettlewell + * Copyright (C) 2004, 2005, 2006, 2007 Richard Kettlewell * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -33,23 +33,19 @@ #include "configuration.h" #include "client-common.h" #include "addr.h" +#include "mem.h" -/** @brief Invoke a function with the connect address - * @param c Passed to callback - * @param function Function to call - * - * Calls @p function with the result of looking up the connect address. +/** @brief Figure out what address to connect to + * @param sap Where to store pointer to sockaddr + * @param namep Where to store socket name + * @return Socket length, or (socklen_t)-1 */ -int with_sockaddr(void *c, - int (*function)(void *c, - const struct sockaddr *sa, - socklen_t len, - const char *ident)) { - const char *path; +socklen_t find_server(struct sockaddr **sap, char **namep) { + struct sockaddr *sa; struct sockaddr_un su; - struct addrinfo *res; + struct addrinfo *res = 0; char *name; - int n; + socklen_t len; static const struct addrinfo pref = { 0, @@ -65,20 +61,27 @@ int with_sockaddr(void *c, if(config->connect.n) { res = get_address(&config->connect, &pref, &name); if(!res) return -1; - n = function(c, res->ai_addr, res->ai_addrlen, name); - freeaddrinfo(res); - return n; + sa = res->ai_addr; + len = res->ai_addrlen; } else { - path = config_get_file("socket"); - if(strlen(path) >= sizeof su.sun_path) { + name = config_get_file("socket"); + if(strlen(name) >= sizeof su.sun_path) { error(errno, "socket path is too long"); return -1; } memset(&su, 0, sizeof su); su.sun_family = AF_UNIX; - strcpy(su.sun_path, path); - return function(c, (struct sockaddr *)&su, sizeof su, path); + strcpy(su.sun_path, name); + sa = (struct sockaddr *)&su; + len = sizeof su; } + *sap = xmalloc_noptr(len); + memcpy(*sap, sa, len); + if(namep) + *namep = name; + if(res) + freeaddrinfo(res); + return len; } /*