third-party-mirrors/sslh
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sslh-fork can now limit the number of concurrent connections for each incoming port

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yrutschle committed 2025-08-05 18:15:58 +02:00
1 parent 1dfd70c20c
commit 20290bbfa6
10 files changed
+164 -21
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common.c
+13 -4
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@@ -185,6 +185,7 @@ static int start_listen_inet(struct listen_endpoint *sockfd[], int num_addr, str
(*sockfd)[num_addr-1].socketfd = listen_single_addr(addr, cfg->keepalive, cfg->is_udp);
(*sockfd)[num_addr-1].type = cfg->is_udp ? SOCK_DGRAM : SOCK_STREAM;
(*sockfd)[num_addr-1].family = AF_INET;
(*sockfd)[num_addr-1].endpoint_cfg = cfg;
print_message(msg_config, "%d:\t%s\t[%s] [%s]\n", (*sockfd)[num_addr-1].socketfd, sprintaddr(buf, sizeof(buf), addr),
cfg->keepalive ? "keepalive" : "",
cfg->is_udp ? "udp" : "");
@@ -219,6 +220,7 @@ static int start_listen_unix(struct listen_endpoint *sockfd[], int num_addr, str
(*sockfd)[num_addr-1].socketfd = fd;
(*sockfd)[num_addr-1].type = cfg->is_udp ? SOCK_DGRAM : SOCK_STREAM;
(*sockfd)[num_addr-1].family = AF_INET;
(*sockfd)[num_addr-1].endpoint_cfg = cfg;
return num_addr;
}
@@ -880,16 +882,23 @@ int check_access_rights(int in_socket, const char* service)
return 0;
}
volatile sig_atomic_t received_sigchld;
void sig_sigchld(int sig)
{
received_sigchld = 1;
}
void setup_signals(void)
{
int res;
struct sigaction action;
/* Request no SIGCHLD is sent upon termination of
* the children */
/* Set SIGCHLD to sig_sigchld() */
memset(&action, 0, sizeof(action));
action.sa_handler = NULL;
action.sa_flags = SA_NOCLDWAIT;
action.sa_handler = sig_sigchld;
action.sa_flags = SA_NOCLDSTOP;
res = sigaction(SIGCHLD, &action, NULL);
CHECK_RES_DIE(res, "sigaction");