diff options
Diffstat (limited to 'lib/libc/net/sctp_sys_calls.c')
| -rw-r--r-- | lib/libc/net/sctp_sys_calls.c | 39 |
1 files changed, 19 insertions, 20 deletions
diff --git a/lib/libc/net/sctp_sys_calls.c b/lib/libc/net/sctp_sys_calls.c index 66a0f6adac3a..5cb26266c888 100644 --- a/lib/libc/net/sctp_sys_calls.c +++ b/lib/libc/net/sctp_sys_calls.c @@ -32,9 +32,6 @@ * THE POSSIBILITY OF SUCH DAMAGE. */ -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - #include <stdbool.h> #include <stddef.h> #include <stdio.h> @@ -391,23 +388,27 @@ sctp_getpaddrs(int sd, sctp_assoc_t id, struct sockaddr **raddrs) { struct sctp_getaddresses *addrs; struct sockaddr *sa; - sctp_assoc_t asoc; caddr_t lim; socklen_t opt_len; + uint32_t size_of_addresses; int cnt; if (raddrs == NULL) { errno = EFAULT; return (-1); } - asoc = id; - opt_len = (socklen_t)sizeof(sctp_assoc_t); + /* When calling getsockopt(), the value contains the assoc_id. */ + size_of_addresses = (uint32_t)id; + opt_len = (socklen_t)sizeof(uint32_t); if (getsockopt(sd, IPPROTO_SCTP, SCTP_GET_REMOTE_ADDR_SIZE, - &asoc, &opt_len) != 0) { - return (-1); + &size_of_addresses, &opt_len) != 0) { + if (errno == ENOENT) { + return (0); + } else { + return (-1); + } } - /* size required is returned in 'asoc' */ - opt_len = (socklen_t)((size_t)asoc + sizeof(struct sctp_getaddresses)); + opt_len = (socklen_t)((size_t)size_of_addresses + sizeof(struct sctp_getaddresses)); addrs = calloc(1, (size_t)opt_len); if (addrs == NULL) { errno = ENOMEM; @@ -446,10 +447,10 @@ int sctp_getladdrs(int sd, sctp_assoc_t id, struct sockaddr **raddrs) { struct sctp_getaddresses *addrs; - caddr_t lim; struct sockaddr *sa; - size_t size_of_addresses; + caddr_t lim; socklen_t opt_len; + uint32_t size_of_addresses; int cnt; if (raddrs == NULL) { @@ -457,17 +458,12 @@ sctp_getladdrs(int sd, sctp_assoc_t id, struct sockaddr **raddrs) return (-1); } size_of_addresses = 0; - opt_len = (socklen_t)sizeof(int); + opt_len = (socklen_t)sizeof(uint32_t); if (getsockopt(sd, IPPROTO_SCTP, SCTP_GET_LOCAL_ADDR_SIZE, &size_of_addresses, &opt_len) != 0) { - errno = ENOMEM; - return (-1); - } - if (size_of_addresses == 0) { - errno = ENOTCONN; return (-1); } - opt_len = (socklen_t)(size_of_addresses + sizeof(struct sctp_getaddresses)); + opt_len = (socklen_t)((size_t)size_of_addresses + sizeof(struct sctp_getaddresses)); addrs = calloc(1, (size_t)opt_len); if (addrs == NULL) { errno = ENOMEM; @@ -478,9 +474,12 @@ sctp_getladdrs(int sd, sctp_assoc_t id, struct sockaddr **raddrs) if (getsockopt(sd, IPPROTO_SCTP, SCTP_GET_LOCAL_ADDRESSES, addrs, &opt_len) != 0) { free(addrs); - errno = ENOMEM; return (-1); } + if (size_of_addresses == 0) { + free(addrs); + return (0); + } *raddrs = &addrs->addr[0].sa; cnt = 0; sa = &addrs->addr[0].sa; |