third-party-mirrors/sslh
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Merge pull request #401 from rnhmjoj/master

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fix handling of IPv6 UDP connections
This commit is contained in:
Yves Rutschle 2023-08-26 21:32:22 +02:00 committed by GitHub
commit 54fe4b2f47
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2 changed files with 5 additions and 5 deletions
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2
common.h
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@ -112,7 +112,7 @@ struct connection {
struct queue q[2];
/* SOCK_DGRAM */
struct sockaddr client_addr; /* Contains the remote client address */
struct sockaddr_storage client_addr; /* Contains the remote client address */
socklen_t addrlen;
int local_endpoint; /* Contains the local address */

8
udp-listener.c
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@ -129,7 +129,7 @@ void udp_init(struct loop_info* fd_info)
* If yes, returns file descriptor of connection
* If not, returns -1
* */
static int known_source(hash* h, struct sockaddr* addr, socklen_t addrlen)
static int known_source(hash* h, struct sockaddr_storage* addr, socklen_t addrlen)
{
struct connection search;
search.client_addr = *addr;
@ -243,7 +243,7 @@ static int nonblocking_socket(struct sslhcfg_protocols_item* proto)
struct connection* udp_c2s_forward(int sockfd, struct loop_info* fd_info)
{
char addr_str[NI_MAXHOST+1+NI_MAXSERV+1];
struct sockaddr src_addr;
struct sockaddr_storage src_addr;
struct addrinfo addrinfo;
struct sslhcfg_protocols_item* proto;
cnx_collection* collection = fd_info->collection;
@ -259,13 +259,13 @@ struct connection* udp_c2s_forward(int sockfd, struct loop_info* fd_info)
udp_timeouts(fd_info);
addrlen = sizeof(src_addr);
len = recvfrom(sockfd, data, sizeof(data), 0, &src_addr, &addrlen);
len = recvfrom(sockfd, data, sizeof(data), 0, (struct sockaddr*) &src_addr, &addrlen);
if (len < 0) {
perror("recvfrom");
return NULL;
}
target = known_source(fd_info->hash_sources, &src_addr, addrlen);
addrinfo.ai_addr = &src_addr;
addrinfo.ai_addr = (struct sockaddr*) &src_addr;
addrinfo.ai_addrlen = addrlen;
print_message(msg_probe_info, "received %ld UDP from %d:%s\n",
len, target, sprintaddr(addr_str, sizeof(addr_str), &addrinfo));