diff options
Diffstat (limited to 'testcases/network/sctp/lib/addrs.c')
| -rw-r--r-- | testcases/network/sctp/lib/addrs.c | 180 |
1 files changed, 0 insertions, 180 deletions
diff --git a/testcases/network/sctp/lib/addrs.c b/testcases/network/sctp/lib/addrs.c deleted file mode 100644 index 184335c71..000000000 --- a/testcases/network/sctp/lib/addrs.c +++ /dev/null @@ -1,180 +0,0 @@ -/* SCTP kernel reference Implementation: User API extensions. - * - * addrs.c - * - * Distributed under the terms of the LGPL v2.1 as described in - * http://www.gnu.org/copyleft/lesser.txt - * - * This file is part of the user library that offers support for the - * SCTP kernel reference Implementation. The main purpose of this - * code is to provide the SCTP Socket API mappings for user - * application to interface with the SCTP in kernel. - * - * This implementation is based on the Socket API Extensions for SCTP - * defined in <draft-ietf-tsvwg-sctpsocket-10.txt. - * - * (C) Copyright IBM Corp. 2003 - * Copyright (c) 2001-2002 Intel Corp. - * - * Written or modified by: - * Ardelle Fan <ardelle.fan@intel.com> - * Sridhar Samudrala <sri@us.ibm.com> - */ - -#include <string.h> -#include <stdlib.h> -#include <netinet/in.h> -#include <netinet/sctp.h> -#include <errno.h> - -/* - * Get local/peer addresses using the old API - * Old kernels (2.6.13 and earlier) only support this API but it breaks 32-bit - * programs on 64-bit kernels. - */ -static int -sctp_getaddrs_old(int sd, sctp_assoc_t id, int optname_num, int optname_old, - struct sockaddr **addrs) -{ - socklen_t len = sizeof(sctp_assoc_t); - int cnt, err; - struct sctp_getaddrs_old getaddrs; - - cnt = getsockopt(sd, SOL_SCTP, optname_num, &id, &len); - if (cnt < 0) - return -1; - - if (0 == cnt) { - *addrs = NULL; - return 0; - } - - len = cnt * sizeof(struct sockaddr_in6); - - getaddrs.assoc_id = id; - getaddrs.addr_num = cnt; - getaddrs.addrs = (struct sockaddr *)malloc(len); - if (NULL == getaddrs.addrs) - return -1; - - len = sizeof(getaddrs); - err = getsockopt(sd, SOL_SCTP, optname_old, &getaddrs, &len); - if (err < 0) { - free(getaddrs.addrs); - return -1; - } - - *addrs = getaddrs.addrs; - - return getaddrs.addr_num; - -} /* sctp_getaddrs_old() */ - -/* - * Common getsockopt() layer - * If the NEW getsockopt() API fails this function will fall back to using - * the old API - */ -static int -sctp_getaddrs(int sd, sctp_assoc_t id, - int optname_new, int optname_num_old, int optname_old, - struct sockaddr **addrs) -{ - int cnt, err; - socklen_t len; - size_t bufsize = 4096; /*enough for most cases */ - - struct sctp_getaddrs *getaddrs = - (struct sctp_getaddrs *)malloc(bufsize); - if (!getaddrs) - return -1; - - for (;;) { - char *new_buf; - - len = bufsize; - getaddrs->assoc_id = id; - err = getsockopt(sd, SOL_SCTP, optname_new, getaddrs, &len); - if (err == 0) { - /*got it */ - break; - } - if (errno == ENOPROTOOPT) { - /*Kernel does not support new API */ - free(getaddrs); - return sctp_getaddrs_old(sd, id, - optname_num_old, optname_old, - addrs); - } - if (errno != ENOMEM) { - /*unknown error */ - return -1; - } - /*expand buffer */ - if (bufsize > 128 * 1024) { - /*this is getting ridiculous */ - free(getaddrs); - errno = ENOBUFS; - return -1; - } - new_buf = realloc(getaddrs, bufsize + 4096); - if (!new_buf) { - free(getaddrs); - return -1; - } - bufsize += 4096; - getaddrs = (struct sctp_getaddrs *)new_buf; - } - - /* we skip traversing the list, allocating a new buffer etc. and enjoy - * a simple hack*/ - cnt = getaddrs->addr_num; - memmove(getaddrs, getaddrs + 1, len - sizeof(struct sctp_getaddrs)); - *addrs = (struct sockaddr *)getaddrs; - - return cnt; -} /* sctp_getaddrs() */ - -/* Get all peer address on a socket. This is a new SCTP API - * described in the section 8.3 of the Sockets API Extensions for SCTP. - * This is implemented using the getsockopt() interface. - */ -int sctp_getpaddrs(int sd, sctp_assoc_t id, struct sockaddr **addrs) -{ - return sctp_getaddrs(sd, id, - SCTP_GET_PEER_ADDRS, - SCTP_GET_PEER_ADDRS_NUM_OLD, - SCTP_GET_PEER_ADDRS_OLD, addrs); -} /* sctp_getpaddrs() */ - -/* Frees all resources allocated by sctp_getpaddrs(). This is a new SCTP API - * described in the section 8.4 of the Sockets API Extensions for SCTP. - */ -int sctp_freepaddrs(struct sockaddr *addrs) -{ - free(addrs); - return 0; - -} /* sctp_freepaddrs() */ - -/* Get all locally bound address on a socket. This is a new SCTP API - * described in the section 8.5 of the Sockets API Extensions for SCTP. - * This is implemented using the getsockopt() interface. - */ -int sctp_getladdrs(int sd, sctp_assoc_t id, struct sockaddr **addrs) -{ - return sctp_getaddrs(sd, id, - SCTP_GET_LOCAL_ADDRS, - SCTP_GET_LOCAL_ADDRS_NUM_OLD, - SCTP_GET_LOCAL_ADDRS_OLD, addrs); -} /* sctp_getladdrs() */ - -/* Frees all resources allocated by sctp_getladdrs(). This is a new SCTP API - * described in the section 8.6 of the Sockets API Extensions for SCTP. - */ -int sctp_freeladdrs(struct sockaddr *addrs) -{ - free(addrs); - return 0; - -} /* sctp_freeladdrs() */ |