lksctp-tools/SOURCES/sctp_test-replace-use-of-de...

117 lines
3.4 KiB
Diff

From ecdb9294c5dce938ef7c488404be65d23552fb18 Mon Sep 17 00:00:00 2001
From: Xin Long <lucien.xin@gmail.com>
Date: Wed, 4 Aug 2021 07:29:15 -0400
Subject: [PATCH 3/4] sctp_test: replace use of deprecated gethostbyname with
getaddrinfo
This patch is to replace use of deprecated gethostbyname with
getaddrinfo in the file src/apps/sctp_test.c.
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
---
src/apps/sctp_test.c | 63 +++++++++++---------------------------------
1 file changed, 16 insertions(+), 47 deletions(-)
diff --git a/src/apps/sctp_test.c b/src/apps/sctp_test.c
index cd7654b..e382804 100644
--- a/src/apps/sctp_test.c
+++ b/src/apps/sctp_test.c
@@ -487,14 +487,11 @@ struct sockaddr *
append_addr(const char *parm, struct sockaddr *addrs, int *ret_count)
{
struct sockaddr *new_addrs = NULL;
+ struct addrinfo hints, *res, *rp;
void *aptr;
struct sockaddr *sa_addr;
struct sockaddr_in *b4ap;
struct sockaddr_in6 *b6ap;
- struct hostent *hst4 = NULL;
- struct hostent *hst6 = NULL;
- int i4 = 0;
- int i6 = 0;
int j;
int orig_count = *ret_count;
int count = orig_count;
@@ -514,27 +511,16 @@ append_addr(const char *parm, struct sockaddr *addrs, int *ret_count)
}
}
- /* Get the entries for this host. */
- hst4 = gethostbyname(ipaddr);
- hst6 = gethostbyname2(ipaddr, AF_INET6);
-
- if ((NULL == hst4 || hst4->h_length < 1)
- && (NULL == hst6 || hst6->h_length < 1)) {
+ memset(&hints, 0, sizeof(struct addrinfo));
+ hints.ai_family = AF_UNSPEC;
+ hints.ai_protocol = IPPROTO_SCTP;
+ if (getaddrinfo(ipaddr, NULL, &hints, &res) != 0) {
fprintf(stderr, "bad hostname: %s\n", ipaddr);
goto finally;
}
- /* Figure out the number of addresses. */
- if (NULL != hst4) {
- for (i4 = 0; NULL != hst4->h_addr_list[i4]; ++i4) {
- count++;
- }
- }
- if (NULL != hst6) {
- for (i6 = 0; NULL != hst6->h_addr_list[i6]; ++i6) {
- count++;
- }
- }
+ for (rp = res; rp != NULL; rp = rp->ai_next)
+ count++;
/* Expand memory for the new addresses. Assume all the addresses
* are v6 addresses.
@@ -565,34 +551,17 @@ append_addr(const char *parm, struct sockaddr *addrs, int *ret_count)
}
/* Put the new addresses away. */
- if (NULL != hst4) {
- for (j = 0; j < i4; ++j) {
- b4ap = (struct sockaddr_in *)aptr;
- memset(b4ap, 0x00, sizeof(*b4ap));
- b4ap->sin_family = AF_INET;
- b4ap->sin_port = htons(local_port);
- bcopy(hst4->h_addr_list[j], &b4ap->sin_addr,
- hst4->h_length);
-
- aptr += sizeof(struct sockaddr_in);
- } /* for (loop through the new v4 addresses) */
- }
-
- if (NULL != hst6) {
- for (j = 0; j < i6; ++j) {
- b6ap = (struct sockaddr_in6 *)aptr;
- memset(b6ap, 0x00, sizeof(*b6ap));
- b6ap->sin6_family = AF_INET6;
- b6ap->sin6_port = htons(local_port);
+ for (rp = res; rp != NULL; rp = rp->ai_next) {
+ b4ap = (struct sockaddr_in *)aptr;
+ b6ap = (struct sockaddr_in6 *)aptr;
+ bcopy(rp->ai_addr, aptr, rp->ai_addrlen);
+ b4ap->sin_port = htons(local_port); /* equal to b6ap.v6.sin6_port */
+ if (rp->ai_family == AF_INET6) {
b6ap->sin6_scope_id = if_index;
- bcopy(hst6->h_addr_list[j], &b6ap->sin6_addr,
- hst6->h_length);
- if (!ifindex) {
+ if (!ifindex)
b6ap->sin6_scope_id = ifindex;
- }
-
- aptr += sizeof(struct sockaddr_in6);
- } /* for (loop through the new v6 addresses) */
+ }
+ aptr += rp->ai_addrlen;
}
finally:
--
2.27.0