From 23f30ed31218c6bc01d9a0ecebdace43e67e97ff Mon Sep 17 00:00:00 2001 From: Tom Gundersen Date: Wed, 18 Dec 2013 10:52:22 +0100 Subject: [PATCH 1/1] libsystemd-dhcp: add some asserts --- src/libsystemd-dhcp/dhcp-client.c | 2 +- src/libsystemd-dhcp/dhcp-network.c | 7 +++++++ 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/src/libsystemd-dhcp/dhcp-client.c b/src/libsystemd-dhcp/dhcp-client.c index a8b9354d6..68a732834 100644 --- a/src/libsystemd-dhcp/dhcp-client.c +++ b/src/libsystemd-dhcp/dhcp-client.c @@ -1061,7 +1061,7 @@ int sd_dhcp_client_start(sd_dhcp_client *client) int r; assert_return(client, -EINVAL); - assert_return(client->index >= 0, -EINVAL); + assert_return(client->index > 0, -EINVAL); assert_return(client->state == DHCP_STATE_INIT || client->state == DHCP_STATE_INIT_REBOOT, -EBUSY); diff --git a/src/libsystemd-dhcp/dhcp-network.c b/src/libsystemd-dhcp/dhcp-network.c index ce27f425c..b2de67e8a 100644 --- a/src/libsystemd-dhcp/dhcp-network.c +++ b/src/libsystemd-dhcp/dhcp-network.c @@ -34,6 +34,9 @@ int dhcp_network_bind_raw_socket(int index, union sockaddr_union *link) { int s; + assert(index > 0); + assert(link); + s = socket(AF_PACKET, SOCK_DGRAM | SOCK_CLOEXEC | SOCK_NONBLOCK, htons(ETH_P_IP)); if (s < 0) @@ -77,6 +80,10 @@ int dhcp_network_bind_udp_socket(int index, be32_t client_address) int dhcp_network_send_raw_socket(int s, const union sockaddr_union *link, const void *packet, size_t len) { + assert(link); + assert(packet); + assert(len); + if (sendto(s, packet, len, 0, &link->sa, sizeof(link->ll)) < 0) return -errno; -- 2.30.2