lksctp-tools/SOURCES/sctp_xconnect-replace-use-o...

157 lines
4.4 KiB
Diff

From 469cf426bc292b6d23770ce930577c1997654229 Mon Sep 17 00:00:00 2001
From: Xin Long <lucien.xin@gmail.com>
Date: Wed, 4 Aug 2021 07:29:14 -0400
Subject: [PATCH 2/4] sctp_xconnect: replace use of deprecated gethostbyname
with getaddrinfo
This patch is to replace use of deprecated gethostbyname with
getaddrinfo in the file src/apps/sctp_xconnect.c.
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
---
src/apps/sctp_xconnect.c | 72 +++++++++++++++++-----------------------
1 file changed, 31 insertions(+), 41 deletions(-)
diff --git a/src/apps/sctp_xconnect.c b/src/apps/sctp_xconnect.c
index 6759c0e..5cd1049 100644
--- a/src/apps/sctp_xconnect.c
+++ b/src/apps/sctp_xconnect.c
@@ -63,13 +63,13 @@ int TST_CNT = 0;
int mode = NOT_DEFINED;
-int assoc_num,
- remote_port,
- local_port;
+int assoc_num;
int active = 0;
-char *local_host = NULL;
-char *remote_host = NULL;
+char *local_host;
+char *remote_host;
+char *local_port;
+char *remote_port;
sockaddr_storage_t client_loop,
server_loop;
struct hostent *hst;
@@ -102,6 +102,7 @@ void usage(char *argv0)
/* Parse command line options */
void parse_arguments(int argc, char*argv[]) {
+ struct addrinfo hints, *rp;
int c;
while ((c = getopt(argc, argv, ":H:P:ach:ln:p:")) >= 0) {
@@ -110,7 +111,7 @@ void parse_arguments(int argc, char*argv[]) {
local_host = optarg;
break;
case 'P':
- local_port = atoi(optarg);
+ local_port = optarg;
break;
case 'c':
if (mode == NOT_DEFINED)
@@ -138,7 +139,7 @@ void parse_arguments(int argc, char*argv[]) {
assoc_num = atoi(optarg);
break;
case 'p':
- remote_port = atoi(optarg);
+ remote_port = optarg;
break;
default:
usage(argv[0]);
@@ -146,6 +147,9 @@ void parse_arguments(int argc, char*argv[]) {
}
} /* while() */
+ memset(&hints, 0, sizeof(struct addrinfo));
+ hints.ai_family = AF_INET;
+ hints.ai_protocol = IPPROTO_SCTP;
if (mode == CLIENT) {
if (assoc_num) {
if (assoc_num > MAXCLIENTNUM) {
@@ -160,13 +164,13 @@ void parse_arguments(int argc, char*argv[]) {
assoc_num = 1;
if (remote_host && remote_port) {
- hst = gethostbyname(remote_host);
-
- memcpy(&server_loop.v4.sin_addr, hst->h_addr_list[0],
- sizeof(server_loop.v4.sin_addr));
-
- server_loop.v4.sin_family = AF_INET;
-server_loop.v4.sin_port = htons(remote_port);
+ if (getaddrinfo(remote_host, remote_port, &hints, &rp) != 0) {
+ printf("%s: bad remote hostname or port: %s, %s\n",
+ argv[0], remote_host, remote_port);
+ usage(argv[0]);
+ exit(0);
+ }
+ memcpy(&server_loop, rp->ai_addr, rp->ai_addrlen);
} else {
printf("Remote host and remote port must be defined "
"in client mode\n");
@@ -174,20 +178,12 @@ server_loop.v4.sin_port = htons(remote_port);
exit(0);
}
- if (local_host) {
- hst = gethostbyname(local_host);
-
- memcpy(&client_loop.v4.sin_addr, hst->h_addr_list[0],
- sizeof(client_loop.v4.sin_addr));
- } else
- client_loop.v4.sin_addr.s_addr = INADDR_ANY;
-
- if (local_port)
- client_loop.v4.sin_port = htons(local_port);
- else
- client_loop.v4.sin_port = 0;
-
- client_loop.v4.sin_family = AF_INET;
+ if (getaddrinfo(local_host, local_port, &hints, &rp) != 0) {
+ printf("%s: bad local hostname or port: %s, %s\n",
+ argv[0], local_host, local_port);
+ exit(0);
+ }
+ memcpy(&client_loop, rp->ai_addr, rp->ai_addrlen);
} else if (mode == SERVER) {
if (active) {
printf("This option if for client use only");
@@ -201,23 +197,17 @@ server_loop.v4.sin_port = htons(remote_port);
exit(0);
}
- if (local_host) {
- hst = gethostbyname(local_host);
-
- memcpy(&server_loop.v4.sin_addr, hst->h_addr_list[0],
- sizeof(server_loop.v4.sin_addr));
- } else
- server_loop.v4.sin_addr.s_addr = INADDR_ANY;
-
- if (local_port)
- server_loop.v4.sin_port = htons(local_port);
- else {
+ if (!local_port) {
printf("Specify a local port in server mode.\n");
usage(argv[0]);
exit(0);
}
-
- server_loop.v4.sin_family = AF_INET;
+ if (getaddrinfo(local_host, local_port, &hints, &rp) != 0) {
+ printf("%s: bad local hostname or port: %s, %s\n",
+ argv[0], local_host, local_port);
+ exit(0);
+ }
+ memcpy(&server_loop, rp->ai_addr, rp->ai_addrlen);
} else {
printf("Must assisgn a client or server mode.\n");
usage(argv[0]);
--
2.27.0