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From 103cf5a3f83406f4a22b8d1899518e5fa4a351d8 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= <marcandre.lureau@redhat.com>
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Date: Tue, 15 Feb 2022 11:46:06 +0400
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Subject: [PATCH] Replace deprecated inet_ntoa with safer inet_ntop
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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inet_ntoa() is a legacy API with MT issues. Use the recommended
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alternative instead. This makes some code checkers happy, and could
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potentially fix issues if other parts of the process were to use
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inet_ntoa() at the same time..
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Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
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---
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main.c | 20 ++++++++++----------
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1 file changed, 10 insertions(+), 10 deletions(-)
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diff --git a/main.c b/main.c
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index c79508e10f4d..2c38dc0da1af 100644
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--- a/main.c
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+++ b/main.c
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@@ -257,6 +257,7 @@ static int recvfd(int sock)
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static int parent(int sock, int ready_fd, int exit_fd, const char *api_socket,
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struct slirp4netns_config *cfg, pid_t target_pid)
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{
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+ char str[INET6_ADDRSTRLEN];
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int rc, tapfd;
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if ((tapfd = recvfd(sock)) < 0) {
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return tapfd;
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@@ -265,23 +266,22 @@ static int parent(int sock, int ready_fd, int exit_fd, const char *api_socket,
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close(sock);
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printf("Starting slirp\n");
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printf("* MTU: %d\n", cfg->mtu);
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- printf("* Network: %s\n", inet_ntoa(cfg->vnetwork));
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- printf("* Netmask: %s\n", inet_ntoa(cfg->vnetmask));
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- printf("* Gateway: %s\n", inet_ntoa(cfg->vhost));
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- printf("* DNS: %s\n", inet_ntoa(cfg->vnameserver));
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- printf("* Recommended IP: %s\n", inet_ntoa(cfg->recommended_vguest));
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+ printf("* Network: %s\n", inet_ntop(AF_INET, &cfg->vnetwork, str, sizeof(str)));
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+ printf("* Netmask: %s\n", inet_ntop(AF_INET, &cfg->vnetmask, str, sizeof(str)));
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+ printf("* Gateway: %s\n", inet_ntop(AF_INET, &cfg->vhost, str, sizeof(str)));
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+ printf("* DNS: %s\n", inet_ntop(AF_INET, &cfg->vnameserver, str, sizeof(str)));
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+ printf("* Recommended IP: %s\n", inet_ntop(AF_INET, &cfg->recommended_vguest, str, sizeof(str)));
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if (api_socket != NULL) {
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printf("* API Socket: %s\n", api_socket);
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}
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#if SLIRP_CONFIG_VERSION_MAX >= 2
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if (cfg->enable_outbound_addr) {
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printf("* Outbound IPv4: %s\n",
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- inet_ntoa(cfg->outbound_addr.sin_addr));
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+ inet_ntop(AF_INET, &cfg->outbound_addr.sin_addr, str, sizeof(str)));
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}
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if (cfg->enable_outbound_addr6) {
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- char str[INET6_ADDRSTRLEN];
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- if (inet_ntop(AF_INET6, &cfg->outbound_addr6.sin6_addr, str,
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- INET6_ADDRSTRLEN) != NULL) {
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+ if (inet_ntop(AF_INET6, &cfg->outbound_addr6.sin6_addr,
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+ str, sizeof(str)) != NULL) {
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printf("* Outbound IPv6: %s\n", str);
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}
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}
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@@ -290,7 +290,7 @@ static int parent(int sock, int ready_fd, int exit_fd, const char *api_socket,
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printf(
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"WARNING: 127.0.0.1:* on the host is accessible as %s (set "
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"--disable-host-loopback to prohibit connecting to 127.0.0.1:*)\n",
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- inet_ntoa(cfg->vhost));
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+ inet_ntop(AF_INET, &cfg->vhost, str, sizeof(str)));
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}
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if (cfg->enable_sandbox && geteuid() != 0) {
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if ((rc = nsenter(target_pid, NULL, NULL, true)) < 0) {
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--
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2.34.1.428.gdcc0cd074f0c
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