[PATCH 4/5] Store sockaddr listen port in net-byte-order as is conventional
Daniel Gröber
dxld at darkboxed.org
Thu Aug 17 20:11:37 UTC 2023
This will allow more codesharing with code dealing with the peer endpoints.
Signed-off-by: Daniel Gröber <dxld at darkboxed.org>
---
src/config.c | 2 --
src/ipc-freebsd.h | 2 +-
src/ipc-linux.h | 6 +++---
src/ipc-openbsd.h | 4 ++--
src/ipc-uapi.h | 2 +-
src/ipc-windows.h | 4 ++--
src/show.c | 24 +++++++++++-------------
src/showconf.c | 2 +-
8 files changed, 21 insertions(+), 25 deletions(-)
diff --git a/src/config.c b/src/config.c
index 01c73f9..5c8594b 100644
--- a/src/config.c
+++ b/src/config.c
@@ -264,8 +264,6 @@ static inline bool parse_listen(struct sockaddr_inet *listen, uint32_t *flags, c
if (!parse_endpoint(listen, value, AF_UNSPEC, /*allow_retry=*/0))
return false;
- listen->sinet_port = ntohs(listen->sinet_port);
-
*flags |= WGDEVICE_HAS_LISTEN;
return true;
}
diff --git a/src/ipc-freebsd.h b/src/ipc-freebsd.h
index a06b245..75f692b 100644
--- a/src/ipc-freebsd.h
+++ b/src/ipc-freebsd.h
@@ -271,7 +271,7 @@ static int kernel_set_device(struct wgdevice *dev)
if (dev->flags & WGDEVICE_HAS_PRIVATE_KEY)
nvlist_add_binary(nvl_device, "private-key", dev->private_key, sizeof(dev->private_key));
if (dev->flags & WGDEVICE_HAS_LISTEN_PORT)
- nvlist_add_number(nvl_device, "listen-port", dev->listen_port);
+ nvlist_add_number(nvl_device, "listen-port", ntohs(dev->listen_port));
if (dev->flags & WGDEVICE_HAS_LISTEN) {
errno = EOPNOTSUPP;
goto err;
diff --git a/src/ipc-linux.h b/src/ipc-linux.h
index 3e3f27c..735c49f 100644
--- a/src/ipc-linux.h
+++ b/src/ipc-linux.h
@@ -162,9 +162,9 @@ again:
if (dev->flags & WGDEVICE_HAS_PRIVATE_KEY)
mnl_attr_put(nlh, WGDEVICE_A_PRIVATE_KEY, sizeof(dev->private_key), dev->private_key);
if (dev->flags & WGDEVICE_HAS_LISTEN_PORT)
- mnl_attr_put_u16(nlh, WGDEVICE_A_LISTEN_PORT, dev->listen_port);
+ mnl_attr_put_u16(nlh, WGDEVICE_A_LISTEN_PORT, ntohs(dev->listen_port));
if (dev->flags & WGDEVICE_HAS_LISTEN) {
- mnl_attr_put_u16(nlh, WGDEVICE_A_LISTEN_PORT, dev->listen_port);
+ mnl_attr_put_u16(nlh, WGDEVICE_A_LISTEN_PORT, ntohs(dev->listen_port));
if (dev->listen_family == AF_INET) {
mnl_attr_put(nlh, WGDEVICE_A_LISTEN_ADDR, sizeof(struct in_addr), &dev->listen4.sin_addr);
mnl_attr_put_u32(nlh, WGDEVICE_A_LISTEN_IFINDEX, dev->listen_inet.sin_scope_id);
@@ -446,7 +446,7 @@ static int parse_device(const struct nlattr *attr, void *data)
break;
case WGDEVICE_A_LISTEN_PORT:
if (!mnl_attr_validate(attr, MNL_TYPE_U16))
- device->listen_port = mnl_attr_get_u16(attr);
+ device->listen_port = htons(mnl_attr_get_u16(attr));
break;
case WGDEVICE_A_LISTEN_ADDR: {
union {
diff --git a/src/ipc-openbsd.h b/src/ipc-openbsd.h
index eddec45..478b4c6 100644
--- a/src/ipc-openbsd.h
+++ b/src/ipc-openbsd.h
@@ -96,7 +96,7 @@ static int kernel_get_device(struct wgdevice **device, const char *iface)
}
if (wg_iface->i_flags & WG_INTERFACE_HAS_PORT) {
- dev->listen_port = wg_iface->i_port;
+ dev->listen_port = htons(wg_iface->i_port);
dev->flags |= WGDEVICE_HAS_LISTEN_PORT;
}
@@ -209,7 +209,7 @@ static int kernel_set_device(struct wgdevice *dev)
}
if (dev->flags & WGDEVICE_HAS_LISTEN_PORT) {
- wg_iface->i_port = dev->listen_port;
+ wg_iface->i_port = ntohs(dev->listen_port);
wg_iface->i_flags |= WG_INTERFACE_HAS_PORT;
}
if (dev->flags & WGDEVICE_HAS_LISTEN) {
diff --git a/src/ipc-uapi.h b/src/ipc-uapi.h
index 7079fbd..0fc1524 100644
--- a/src/ipc-uapi.h
+++ b/src/ipc-uapi.h
@@ -46,7 +46,7 @@ static int userspace_set_device(struct wgdevice *dev)
fprintf(f, "private_key=%s\n", hex);
}
if (dev->flags & WGDEVICE_HAS_LISTEN_PORT)
- fprintf(f, "listen_port=%u\n", dev->listen_port);
+ fprintf(f, "listen_port=%u\n", ntohs(dev->listen_port));
if (dev->flags & WGDEVICE_HAS_LISTEN)
return -EOPNOTSUPP;
if (dev->flags & WGDEVICE_HAS_FWMARK)
diff --git a/src/ipc-windows.h b/src/ipc-windows.h
index 77e32b3..fb8f35c 100644
--- a/src/ipc-windows.h
+++ b/src/ipc-windows.h
@@ -249,7 +249,7 @@ static int kernel_get_device(struct wgdevice **device, const char *iface)
dev->name[sizeof(dev->name) - 1] = '\0';
if (wg_iface->Flags & WG_IOCTL_INTERFACE_HAS_LISTEN_PORT) {
- dev->listen_port = wg_iface->ListenPort;
+ dev->listen_port = htons(wg_iface->ListenPort);
dev->flags |= WGDEVICE_HAS_LISTEN_PORT;
}
@@ -378,7 +378,7 @@ static int kernel_set_device(struct wgdevice *dev)
}
if (dev->flags & WGDEVICE_HAS_LISTEN_PORT) {
- wg_iface->ListenPort = dev->listen_port;
+ wg_iface->ListenPort = ntohs(dev->listen_port);
wg_iface->Flags |= WG_IOCTL_INTERFACE_HAS_LISTEN_PORT;
}
if (dev->flags & WGDEVICE_HAS_LISTEN) {
diff --git a/src/show.c b/src/show.c
index 754f952..3048183 100644
--- a/src/show.c
+++ b/src/show.c
@@ -127,26 +127,24 @@ char *print_endpoint(const struct sockaddr *addr)
return buf;
}
-char *print_sockaddr_inet(const struct sockaddr_inet *sa_const)
+char *print_sockaddr_inet(const struct sockaddr_inet *sa)
{
char host[4096 + 1], service[512 + 1], ifname_buf[IF_NAMESIZE+10] = "%";
static char buf[sizeof(host) + sizeof(service) + sizeof(ifname_buf) + 4];
- struct sockaddr_inet sa = *sa_const;
socklen_t sa_len = 0;
unsigned int ifindex = 0;
int ret;
- sa.sinet_port = htons(sa.sinet_port);
-
- if (sa.sinet_family == AF_INET) {
+ if (sa->sinet_family == AF_INET) {
sa_len = sizeof(struct sockaddr_in);
- ifindex = sa.sin_scope_id;
- } else if (sa.sinet_family == AF_INET6) {
+ ifindex = sa->sin_scope_id;
+ } else if (sa->sinet_family == AF_INET6) {
sa_len = sizeof(struct sockaddr_in6);
- ifindex = sa.sin6_scope_id;
+ ifindex = sa->sin6_scope_id;
}
- ret = getnameinfo((struct sockaddr*)&sa, sa_len, host, sizeof(host), service, sizeof(service), NI_DGRAM | NI_NUMERICSERV | NI_NUMERICHOST);
+ ret = getnameinfo((struct sockaddr*)sa, sa_len, host, sizeof(host), service, sizeof(service), NI_DGRAM | NI_NUMERICSERV | NI_NUMERICHOST);
if (ret) {
+ fprintf(stderr, "error: print_sockaddr_inet: %s", gai_strerror(ret));
buf[0] = '\0';
goto out;
}
@@ -160,7 +158,7 @@ char *print_sockaddr_inet(const struct sockaddr_inet *sa_const)
}
}
- if ((sa.sinet_family == AF_INET6 && strchr(host, ':')) || ifindex)
+ if ((sa->sinet_family == AF_INET6 && strchr(host, ':')) || ifindex)
snprintf(buf, sizeof(buf), "[%s%s]:%s", host, ifname, service);
else
snprintf(buf, sizeof(buf), "%s:%s", host, service);
@@ -261,7 +259,7 @@ static void pretty_print(struct wgdevice *device)
if (device->listen_family != AF_UNSPEC)
terminal_printf(" " TERMINAL_BOLD "listening on" TERMINAL_RESET ": %s\n", print_sockaddr_inet(&device->listen_inet));
else if (device->listen_port)
- terminal_printf(" " TERMINAL_BOLD "listening port" TERMINAL_RESET ": %u\n", device->listen_port);
+ terminal_printf(" " TERMINAL_BOLD "listening port" TERMINAL_RESET ": %u\n", ntohs(device->listen_port));
if (device->fwmark)
terminal_printf(" " TERMINAL_BOLD "fwmark" TERMINAL_RESET ": 0x%x\n", device->fwmark);
if (device->first_peer) {
@@ -306,7 +304,7 @@ static void dump_print(struct wgdevice *device, bool with_interface)
if (device->listen_family != AF_UNSPEC)
printf("%s\t", print_sockaddr_inet(&device->listen_inet));
else
- printf("%u\t", device->listen_port);
+ printf("%u\t", ntohs(device->listen_port));
if (device->fwmark)
printf("0x%x\n", device->fwmark);
else
@@ -350,7 +348,7 @@ static bool ugly_print(struct wgdevice *device, const char *param, bool with_int
} else if (!strcmp(param, "listen-port")) {
if (with_interface)
printf("%s\t", device->name);
- printf("%u\n", device->listen_port);
+ printf("%u\n", ntohs(device->listen_port));
} else if (!strcmp(param, "listen")) {
if (with_interface)
printf("%s\t", device->name);
diff --git a/src/showconf.c b/src/showconf.c
index d165eb2..c99a6a0 100644
--- a/src/showconf.c
+++ b/src/showconf.c
@@ -44,7 +44,7 @@ int showconf_main(int argc, const char *argv[])
if (device->listen_family != AF_UNSPEC)
printf("Listen = %s", print_sockaddr_inet(&device->listen_inet));
else if (device->listen_port)
- printf("ListenPort = %u\n", device->listen_port);
+ printf("ListenPort = %u\n", ntohs(device->listen_port));
if (device->fwmark)
printf("FwMark = 0x%x\n", device->fwmark);
if (device->flags & WGDEVICE_HAS_PRIVATE_KEY) {
--
2.39.2
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