/** * Try connecting to the server using UNIX domain sockets. * * @param service_name name of service to connect to * @param cfg configuration to use * @return NULL on error, connection to UNIX otherwise */ static struct GNUNET_CONNECTION_Handle * try_unixpath (const char *service_name, const struct GNUNET_CONFIGURATION_Handle *cfg) { #if AF_UNIX struct GNUNET_CONNECTION_Handle *connection; char *unixpath; struct sockaddr_un s_un; unixpath = NULL; if ((GNUNET_OK == GNUNET_CONFIGURATION_get_value_filename (cfg, service_name, "UNIXPATH", &unixpath)) && (0 < strlen (unixpath))) { /* We have a non-NULL unixpath, need to validate it */ if (strlen (unixpath) >= sizeof (s_un.sun_path)) { LOG (GNUNET_ERROR_TYPE_WARNING, _("UNIXPATH `%s' too long, maximum length is %llu\n"), unixpath, (unsigned long long) sizeof (s_un.sun_path)); unixpath = GNUNET_NETWORK_shorten_unixpath (unixpath); LOG (GNUNET_ERROR_TYPE_INFO, _("Using `%s' instead\n"), unixpath); if (NULL == unixpath) return NULL; } connection = GNUNET_CONNECTION_create_from_connect_to_unixpath (cfg, unixpath); if (NULL != connection) { LOG (GNUNET_ERROR_TYPE_DEBUG, "Connected to unixpath `%s'!\n", unixpath); GNUNET_free (unixpath); return connection; } } GNUNET_free_non_null (unixpath); #endif return NULL; }
/** * Test if the service is running. If we are given a UNIXPATH or a local address, * we do this NOT by trying to connect to the service, but by trying to BIND to * the same port. If the BIND fails, we know the service is running. * * @param service name of the service to wait for * @param cfg configuration to use * @param timeout how long to wait at most * @param task task to run if service is running * (reason will be "PREREQ_DONE" (service running) * or "TIMEOUT" (service not known to be running)) * @param task_cls closure for task */ void GNUNET_CLIENT_service_test (const char *service, const struct GNUNET_CONFIGURATION_Handle *cfg, struct GNUNET_TIME_Relative timeout, GNUNET_SCHEDULER_Task task, void *task_cls) { char *hostname; unsigned long long port; struct GNUNET_NETWORK_Handle *sock; struct GNUNET_CLIENT_Connection *client; LOG (GNUNET_ERROR_TYPE_DEBUG, "Testing if service `%s' is running.\n", service); #ifdef AF_UNIX { /* probe UNIX support */ struct sockaddr_un s_un; size_t slen; char *unixpath; unixpath = NULL; if ((GNUNET_OK == GNUNET_CONFIGURATION_get_value_string (cfg, service, "UNIXPATH", &unixpath)) && (0 < strlen (unixpath))) /* We have a non-NULL unixpath, does that mean it's valid? */ { if (strlen (unixpath) >= sizeof (s_un.sun_path)) { LOG (GNUNET_ERROR_TYPE_WARNING, _("UNIXPATH `%s' too long, maximum length is %llu\n"), unixpath, (unsigned long long) sizeof (s_un.sun_path)); unixpath = GNUNET_NETWORK_shorten_unixpath (unixpath); LOG (GNUNET_ERROR_TYPE_INFO, _("Using `%s' instead\n"), unixpath); } } if (NULL != unixpath) { sock = GNUNET_NETWORK_socket_create (PF_UNIX, SOCK_STREAM, 0); if (NULL != sock) { memset (&s_un, 0, sizeof (s_un)); s_un.sun_family = AF_UNIX; slen = strlen (unixpath) + 1; if (slen >= sizeof (s_un.sun_path)) slen = sizeof (s_un.sun_path) - 1; memcpy (s_un.sun_path, unixpath, slen); s_un.sun_path[slen] = '\0'; slen = sizeof (struct sockaddr_un); #if LINUX s_un.sun_path[0] = '\0'; #endif #if HAVE_SOCKADDR_IN_SIN_LEN s_un.sun_len = (u_char) slen; #endif if (GNUNET_OK != GNUNET_NETWORK_socket_bind (sock, (const struct sockaddr *) &s_un, slen)) { /* failed to bind => service must be running */ GNUNET_free (unixpath); (void) GNUNET_NETWORK_socket_close (sock); GNUNET_SCHEDULER_add_continuation (task, task_cls, GNUNET_SCHEDULER_REASON_PREREQ_DONE); return; } (void) GNUNET_NETWORK_socket_close (sock); /* let's try IP */ } } GNUNET_free_non_null (unixpath); } #endif hostname = NULL; if ((GNUNET_OK != GNUNET_CONFIGURATION_get_value_number (cfg, service, "PORT", &port)) || (port > 65535) || (GNUNET_OK != GNUNET_CONFIGURATION_get_value_string (cfg, service, "HOSTNAME", &hostname))) { /* UNIXPATH failed (if possible) AND IP failed => error */ service_test_error (task, task_cls); return; } if (0 == strcmp ("localhost", hostname) #if !LINUX && 0 #endif ) { /* can test using 'bind' */ struct sockaddr_in s_in; memset (&s_in, 0, sizeof (s_in)); #if HAVE_SOCKADDR_IN_SIN_LEN s_in.sin_len = sizeof (struct sockaddr_in); #endif s_in.sin_family = AF_INET; s_in.sin_port = htons (port); sock = GNUNET_NETWORK_socket_create (AF_INET, SOCK_STREAM, 0); if (NULL != sock) { if (GNUNET_OK != GNUNET_NETWORK_socket_bind (sock, (const struct sockaddr *) &s_in, sizeof (s_in))) { /* failed to bind => service must be running */ GNUNET_free (hostname); (void) GNUNET_NETWORK_socket_close (sock); GNUNET_SCHEDULER_add_continuation (task, task_cls, GNUNET_SCHEDULER_REASON_PREREQ_DONE); return; } (void) GNUNET_NETWORK_socket_close (sock); } } if (0 == strcmp ("ip6-localhost", hostname) #if !LINUX && 0 #endif ) { /* can test using 'bind' */ struct sockaddr_in6 s_in6; memset (&s_in6, 0, sizeof (s_in6)); #if HAVE_SOCKADDR_IN_SIN_LEN s_in6.sin6_len = sizeof (struct sockaddr_in6); #endif s_in6.sin6_family = AF_INET6; s_in6.sin6_port = htons (port); sock = GNUNET_NETWORK_socket_create (AF_INET6, SOCK_STREAM, 0); if (NULL != sock) { if (GNUNET_OK != GNUNET_NETWORK_socket_bind (sock, (const struct sockaddr *) &s_in6, sizeof (s_in6))) { /* failed to bind => service must be running */ GNUNET_free (hostname); (void) GNUNET_NETWORK_socket_close (sock); GNUNET_SCHEDULER_add_continuation (task, task_cls, GNUNET_SCHEDULER_REASON_PREREQ_DONE); return; } (void) GNUNET_NETWORK_socket_close (sock); } } if (((0 == strcmp ("localhost", hostname)) || (0 == strcmp ("ip6-localhost", hostname))) #if !LINUX && 0 #endif ) { /* all binds succeeded => claim service not running right now */ GNUNET_free_non_null (hostname); service_test_error (task, task_cls); return; } GNUNET_free_non_null (hostname); /* non-localhost, try 'connect' method */ client = GNUNET_CLIENT_connect (service, cfg); if (NULL == client) { LOG (GNUNET_ERROR_TYPE_INFO, _("Could not connect to service `%s', must not be running.\n"), service); service_test_error (task, task_cls); return; } client->test_cb = task; client->test_cb_cls = task_cls; client->test_deadline = GNUNET_TIME_relative_to_absolute (timeout); if (NULL == GNUNET_CLIENT_notify_transmit_ready (client, sizeof (struct GNUNET_MessageHeader), timeout, GNUNET_YES, &write_test, client)) { LOG (GNUNET_ERROR_TYPE_WARNING, _("Failure to transmit request to service `%s'\n"), service); service_test_error (task, task_cls); GNUNET_CLIENT_disconnect (client); return; } }
/** * Test if the service is running. If we are given a UNIXPATH or a * local address, we do this NOT by trying to connect to the service, * but by trying to BIND to the same port. If the BIND fails, we know * the service is running. * * @param service name of the service to wait for * @param cfg configuration to use * @param timeout how long to wait at most * @param cb function to call with the result * @param cb_cls closure for @a cb * @return handle to cancel the test */ struct GNUNET_CLIENT_TestHandle * GNUNET_CLIENT_service_test (const char *service, const struct GNUNET_CONFIGURATION_Handle *cfg, struct GNUNET_TIME_Relative timeout, GNUNET_CLIENT_TestResultCallback cb, void *cb_cls) { struct GNUNET_CLIENT_TestHandle *th; char *hostname; unsigned long long port; struct GNUNET_NETWORK_Handle *sock; th = GNUNET_new (struct GNUNET_CLIENT_TestHandle); th->cb = cb; th->cb_cls = cb_cls; th->test_deadline = GNUNET_TIME_relative_to_absolute (timeout); LOG (GNUNET_ERROR_TYPE_DEBUG, "Testing if service `%s' is running.\n", service); #ifdef AF_UNIX { /* probe UNIX support */ struct sockaddr_un s_un; char *unixpath; int abstract; unixpath = NULL; if ((GNUNET_OK == GNUNET_CONFIGURATION_get_value_filename (cfg, service, "UNIXPATH", &unixpath)) && (0 < strlen (unixpath))) /* We have a non-NULL unixpath, does that mean it's valid? */ { if (strlen (unixpath) >= sizeof (s_un.sun_path)) { LOG (GNUNET_ERROR_TYPE_WARNING, _("UNIXPATH `%s' too long, maximum length is %llu\n"), unixpath, (unsigned long long) sizeof (s_un.sun_path)); unixpath = GNUNET_NETWORK_shorten_unixpath (unixpath); LOG (GNUNET_ERROR_TYPE_INFO, _("Using `%s' instead\n"), unixpath); } } #ifdef LINUX abstract = GNUNET_CONFIGURATION_get_value_yesno (cfg, "TESTING", "USE_ABSTRACT_SOCKETS"); #else abstract = GNUNET_NO; #endif if ((NULL != unixpath) && (GNUNET_YES != abstract)) { if (GNUNET_SYSERR == GNUNET_DISK_directory_create_for_file (unixpath)) GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING, "mkdir", unixpath); } if (NULL != unixpath) { sock = GNUNET_NETWORK_socket_create (PF_UNIX, SOCK_STREAM, 0); if (NULL != sock) { memset (&s_un, 0, sizeof (s_un)); s_un.sun_family = AF_UNIX; strncpy (s_un.sun_path, unixpath, sizeof (s_un.sun_path) - 1); if (GNUNET_YES == abstract) s_un.sun_path[0] = '\0'; #if HAVE_SOCKADDR_IN_SIN_LEN s_un.sun_len = (u_char) sizeof (struct sockaddr_un); #endif if (GNUNET_OK != GNUNET_NETWORK_socket_bind (sock, (const struct sockaddr *) &s_un, sizeof (struct sockaddr_un))) { /* failed to bind => service must be running */ GNUNET_free (unixpath); (void) GNUNET_NETWORK_socket_close (sock); service_test_report (th, GNUNET_YES); return th; } (void) GNUNET_NETWORK_socket_close (sock); /* let's try IP */ } } GNUNET_free_non_null (unixpath); } #endif hostname = NULL; if ((GNUNET_OK != GNUNET_CONFIGURATION_get_value_number (cfg, service, "PORT", &port)) || (port > 65535) || (GNUNET_OK != GNUNET_CONFIGURATION_get_value_string (cfg, service, "HOSTNAME", &hostname))) { /* UNIXPATH failed (if possible) AND IP failed => error */ service_test_report (th, GNUNET_SYSERR); return th; } if (0 == strcmp ("localhost", hostname) #if !LINUX && 0 #endif ) { /* can test using 'bind' */ struct sockaddr_in s_in; memset (&s_in, 0, sizeof (s_in)); #if HAVE_SOCKADDR_IN_SIN_LEN s_in.sin_len = sizeof (struct sockaddr_in); #endif s_in.sin_family = AF_INET; s_in.sin_port = htons (port); sock = GNUNET_NETWORK_socket_create (AF_INET, SOCK_STREAM, 0); if (NULL != sock) { if (GNUNET_OK != GNUNET_NETWORK_socket_bind (sock, (const struct sockaddr *) &s_in, sizeof (s_in))) { /* failed to bind => service must be running */ GNUNET_free (hostname); (void) GNUNET_NETWORK_socket_close (sock); service_test_report (th, GNUNET_YES); return th; } (void) GNUNET_NETWORK_socket_close (sock); } } if (0 == strcmp ("ip6-localhost", hostname) #if !LINUX && 0 #endif ) { /* can test using 'bind' */ struct sockaddr_in6 s_in6; memset (&s_in6, 0, sizeof (s_in6)); #if HAVE_SOCKADDR_IN_SIN_LEN s_in6.sin6_len = sizeof (struct sockaddr_in6); #endif s_in6.sin6_family = AF_INET6; s_in6.sin6_port = htons (port); sock = GNUNET_NETWORK_socket_create (AF_INET6, SOCK_STREAM, 0); if (NULL != sock) { if (GNUNET_OK != GNUNET_NETWORK_socket_bind (sock, (const struct sockaddr *) &s_in6, sizeof (s_in6))) { /* failed to bind => service must be running */ GNUNET_free (hostname); (void) GNUNET_NETWORK_socket_close (sock); service_test_report (th, GNUNET_YES); return th; } (void) GNUNET_NETWORK_socket_close (sock); } } if (((0 == strcmp ("localhost", hostname)) || (0 == strcmp ("ip6-localhost", hostname))) #if !LINUX && 0 #endif ) { /* all binds succeeded => claim service not running right now */ GNUNET_free_non_null (hostname); service_test_report (th, GNUNET_NO); return th; } GNUNET_free_non_null (hostname); /* non-localhost, try 'connect' method */ th->client = GNUNET_CLIENT_connect (service, cfg); if (NULL == th->client) { LOG (GNUNET_ERROR_TYPE_INFO, _("Could not connect to service `%s', configuration broken.\n"), service); service_test_report (th, GNUNET_SYSERR); return th; } th->th = GNUNET_CLIENT_notify_transmit_ready (th->client, sizeof (struct GNUNET_MessageHeader), timeout, GNUNET_YES, &write_test, th); if (NULL == th->th) { LOG (GNUNET_ERROR_TYPE_WARNING, _("Failure to transmit request to service `%s'\n"), service); service_test_report (th, GNUNET_SYSERR); return th; } return th; }
/** * Get the list of addresses that a server for the given service * should bind to. * * @param service_name name of the service * @param cfg configuration (which specifies the addresses) * @param addrs set (call by reference) to an array of pointers to the * addresses the server should bind to and listen on; the * array will be NULL-terminated (on success) * @param addr_lens set (call by reference) to an array of the lengths * of the respective `struct sockaddr` struct in the @a addrs * array (on success) * @return number of addresses found on success, * #GNUNET_SYSERR if the configuration * did not specify reasonable finding information or * if it specified a hostname that could not be resolved; * #GNUNET_NO if the number of addresses configured is * zero (in this case, `*addrs` and `*addr_lens` will be * set to NULL). */ int GNUNET_SERVICE_get_server_addresses (const char *service_name, const struct GNUNET_CONFIGURATION_Handle *cfg, struct sockaddr ***addrs, socklen_t ** addr_lens) { int disablev6; struct GNUNET_NETWORK_Handle *desc; unsigned long long port; char *unixpath; struct addrinfo hints; struct addrinfo *res; struct addrinfo *pos; struct addrinfo *next; unsigned int i; int resi; int ret; int abstract; struct sockaddr **saddrs; socklen_t *saddrlens; char *hostname; *addrs = NULL; *addr_lens = NULL; desc = NULL; if (GNUNET_CONFIGURATION_have_value (cfg, service_name, "DISABLEV6")) { if (GNUNET_SYSERR == (disablev6 = GNUNET_CONFIGURATION_get_value_yesno (cfg, service_name, "DISABLEV6"))) return GNUNET_SYSERR; } else disablev6 = GNUNET_NO; if (! disablev6) { /* probe IPv6 support */ desc = GNUNET_NETWORK_socket_create (PF_INET6, SOCK_STREAM, 0); if (NULL == desc) { if ((ENOBUFS == errno) || (ENOMEM == errno) || (ENFILE == errno) || (EACCES == errno)) { LOG_STRERROR (GNUNET_ERROR_TYPE_ERROR, "socket"); return GNUNET_SYSERR; } LOG (GNUNET_ERROR_TYPE_INFO, _("Disabling IPv6 support for service `%s', failed to create IPv6 socket: %s\n"), service_name, STRERROR (errno)); disablev6 = GNUNET_YES; } else { GNUNET_break (GNUNET_OK == GNUNET_NETWORK_socket_close (desc)); desc = NULL; } } port = 0; if (GNUNET_CONFIGURATION_have_value (cfg, service_name, "PORT")) { if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_number (cfg, service_name, "PORT", &port)) { LOG (GNUNET_ERROR_TYPE_ERROR, _("Require valid port number for service `%s' in configuration!\n"), service_name); } if (port > 65535) { LOG (GNUNET_ERROR_TYPE_ERROR, _("Require valid port number for service `%s' in configuration!\n"), service_name); return GNUNET_SYSERR; } } if (GNUNET_CONFIGURATION_have_value (cfg, service_name, "BINDTO")) { GNUNET_break (GNUNET_OK == GNUNET_CONFIGURATION_get_value_string (cfg, service_name, "BINDTO", &hostname)); } else hostname = NULL; unixpath = NULL; abstract = GNUNET_NO; #ifdef AF_UNIX if ((GNUNET_YES == GNUNET_CONFIGURATION_have_value (cfg, service_name, "UNIXPATH")) && (GNUNET_OK == GNUNET_CONFIGURATION_get_value_filename (cfg, service_name, "UNIXPATH", &unixpath)) && (0 < strlen (unixpath))) { /* probe UNIX support */ struct sockaddr_un s_un; if (strlen (unixpath) >= sizeof (s_un.sun_path)) { LOG (GNUNET_ERROR_TYPE_WARNING, _("UNIXPATH `%s' too long, maximum length is %llu\n"), unixpath, (unsigned long long) sizeof (s_un.sun_path)); unixpath = GNUNET_NETWORK_shorten_unixpath (unixpath); LOG (GNUNET_ERROR_TYPE_INFO, _("Using `%s' instead\n"), unixpath); } #ifdef LINUX abstract = GNUNET_CONFIGURATION_get_value_yesno (cfg, "TESTING", "USE_ABSTRACT_SOCKETS"); if (GNUNET_SYSERR == abstract) abstract = GNUNET_NO; #endif if ((GNUNET_YES != abstract) && (GNUNET_OK != GNUNET_DISK_directory_create_for_file (unixpath))) GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_ERROR, "mkdir", unixpath); } if (NULL != unixpath) { desc = GNUNET_NETWORK_socket_create (AF_UNIX, SOCK_STREAM, 0); if (NULL == desc) { if ((ENOBUFS == errno) || (ENOMEM == errno) || (ENFILE == errno) || (EACCES == errno)) { LOG_STRERROR (GNUNET_ERROR_TYPE_ERROR, "socket"); GNUNET_free_non_null (hostname); GNUNET_free (unixpath); return GNUNET_SYSERR; } LOG (GNUNET_ERROR_TYPE_INFO, _("Disabling UNIX domain socket support for service `%s', failed to create UNIX domain socket: %s\n"), service_name, STRERROR (errno)); GNUNET_free (unixpath); unixpath = NULL; } else { GNUNET_break (GNUNET_OK == GNUNET_NETWORK_socket_close (desc)); desc = NULL; } } #endif if ((0 == port) && (NULL == unixpath)) { LOG (GNUNET_ERROR_TYPE_ERROR, _("Have neither PORT nor UNIXPATH for service `%s', but one is required\n"), service_name); GNUNET_free_non_null (hostname); return GNUNET_SYSERR; } if (0 == port) { saddrs = GNUNET_malloc (2 * sizeof (struct sockaddr *)); saddrlens = GNUNET_malloc (2 * sizeof (socklen_t)); add_unixpath (saddrs, saddrlens, unixpath, abstract); GNUNET_free_non_null (unixpath); GNUNET_free_non_null (hostname); *addrs = saddrs; *addr_lens = saddrlens; return 1; } if (NULL != hostname) { LOG (GNUNET_ERROR_TYPE_DEBUG, "Resolving `%s' since that is where `%s' will bind to.\n", hostname, service_name); memset (&hints, 0, sizeof (struct addrinfo)); if (disablev6) hints.ai_family = AF_INET; hints.ai_protocol = IPPROTO_TCP; if ((0 != (ret = getaddrinfo (hostname, NULL, &hints, &res))) || (NULL == res)) { LOG (GNUNET_ERROR_TYPE_ERROR, _("Failed to resolve `%s': %s\n"), hostname, gai_strerror (ret)); GNUNET_free (hostname); GNUNET_free_non_null (unixpath); return GNUNET_SYSERR; } next = res; i = 0; while (NULL != (pos = next)) { next = pos->ai_next; if ((disablev6) && (pos->ai_family == AF_INET6)) continue; i++; } if (0 == i) { LOG (GNUNET_ERROR_TYPE_ERROR, _("Failed to find %saddress for `%s'.\n"), disablev6 ? "IPv4 " : "", hostname); freeaddrinfo (res); GNUNET_free (hostname); GNUNET_free_non_null (unixpath); return GNUNET_SYSERR; } resi = i; if (NULL != unixpath) resi++; saddrs = GNUNET_malloc ((resi + 1) * sizeof (struct sockaddr *)); saddrlens = GNUNET_malloc ((resi + 1) * sizeof (socklen_t)); i = 0; if (NULL != unixpath) { add_unixpath (saddrs, saddrlens, unixpath, abstract); i++; } next = res; while (NULL != (pos = next)) { next = pos->ai_next; if ((disablev6) && (AF_INET6 == pos->ai_family)) continue; if ((IPPROTO_TCP != pos->ai_protocol) && (0 != pos->ai_protocol)) continue; /* not TCP */ if ((SOCK_STREAM != pos->ai_socktype) && (0 != pos->ai_socktype)) continue; /* huh? */ LOG (GNUNET_ERROR_TYPE_DEBUG, "Service `%s' will bind to `%s'\n", service_name, GNUNET_a2s (pos->ai_addr, pos->ai_addrlen)); if (AF_INET == pos->ai_family) { GNUNET_assert (sizeof (struct sockaddr_in) == pos->ai_addrlen); saddrlens[i] = pos->ai_addrlen; saddrs[i] = GNUNET_malloc (saddrlens[i]); memcpy (saddrs[i], pos->ai_addr, saddrlens[i]); ((struct sockaddr_in *) saddrs[i])->sin_port = htons (port); } else { GNUNET_assert (AF_INET6 == pos->ai_family); GNUNET_assert (sizeof (struct sockaddr_in6) == pos->ai_addrlen); saddrlens[i] = pos->ai_addrlen; saddrs[i] = GNUNET_malloc (saddrlens[i]); memcpy (saddrs[i], pos->ai_addr, saddrlens[i]); ((struct sockaddr_in6 *) saddrs[i])->sin6_port = htons (port); } i++; } GNUNET_free (hostname); freeaddrinfo (res); resi = i; } else { /* will bind against everything, just set port */ if (disablev6) { /* V4-only */ resi = 1; if (NULL != unixpath) resi++; i = 0; saddrs = GNUNET_malloc ((resi + 1) * sizeof (struct sockaddr *)); saddrlens = GNUNET_malloc ((resi + 1) * sizeof (socklen_t)); if (NULL != unixpath) { add_unixpath (saddrs, saddrlens, unixpath, abstract); i++; } saddrlens[i] = sizeof (struct sockaddr_in); saddrs[i] = GNUNET_malloc (saddrlens[i]); #if HAVE_SOCKADDR_IN_SIN_LEN ((struct sockaddr_in *) saddrs[i])->sin_len = saddrlens[i]; #endif ((struct sockaddr_in *) saddrs[i])->sin_family = AF_INET; ((struct sockaddr_in *) saddrs[i])->sin_port = htons (port); } else { /* dual stack */ resi = 2; if (NULL != unixpath) resi++; saddrs = GNUNET_malloc ((resi + 1) * sizeof (struct sockaddr *)); saddrlens = GNUNET_malloc ((resi + 1) * sizeof (socklen_t)); i = 0; if (NULL != unixpath) { add_unixpath (saddrs, saddrlens, unixpath, abstract); i++; } saddrlens[i] = sizeof (struct sockaddr_in6); saddrs[i] = GNUNET_malloc (saddrlens[i]); #if HAVE_SOCKADDR_IN_SIN_LEN ((struct sockaddr_in6 *) saddrs[i])->sin6_len = saddrlens[0]; #endif ((struct sockaddr_in6 *) saddrs[i])->sin6_family = AF_INET6; ((struct sockaddr_in6 *) saddrs[i])->sin6_port = htons (port); i++; saddrlens[i] = sizeof (struct sockaddr_in); saddrs[i] = GNUNET_malloc (saddrlens[i]); #if HAVE_SOCKADDR_IN_SIN_LEN ((struct sockaddr_in *) saddrs[i])->sin_len = saddrlens[1]; #endif ((struct sockaddr_in *) saddrs[i])->sin_family = AF_INET; ((struct sockaddr_in *) saddrs[i])->sin_port = htons (port); } } GNUNET_free_non_null (unixpath); *addrs = saddrs; *addr_lens = saddrlens; return resi; }