diff options
Diffstat (limited to 'src/libsystemd-network')
| -rw-r--r-- | src/libsystemd-network/sd-dhcp-client.c | 2 | ||||
| -rw-r--r-- | src/libsystemd-network/sd-dhcp-lease.c | 12 | ||||
| -rw-r--r-- | src/libsystemd-network/sd-dhcp-server.c | 2 |
3 files changed, 13 insertions, 3 deletions
diff --git a/src/libsystemd-network/sd-dhcp-client.c b/src/libsystemd-network/sd-dhcp-client.c index 0193e42d65..6853038b67 100644 --- a/src/libsystemd-network/sd-dhcp-client.c +++ b/src/libsystemd-network/sd-dhcp-client.c @@ -1588,7 +1588,7 @@ static int client_receive_message_raw(sd_event_source *s, int fd, } else if ((size_t)len < sizeof(DHCPPacket)) return 0; - for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg)) { + CMSG_FOREACH(cmsg, &msg) { if (cmsg->cmsg_level == SOL_PACKET && cmsg->cmsg_type == PACKET_AUXDATA && cmsg->cmsg_len == CMSG_LEN(sizeof(struct tpacket_auxdata))) { diff --git a/src/libsystemd-network/sd-dhcp-lease.c b/src/libsystemd-network/sd-dhcp-lease.c index 8a4220621b..d8bc76edda 100644 --- a/src/libsystemd-network/sd-dhcp-lease.c +++ b/src/libsystemd-network/sd-dhcp-lease.c @@ -32,6 +32,7 @@ #include "dhcp-lease-internal.h" #include "sd-dhcp-lease.h" #include "network-internal.h" +#include "dns-domain.h" int sd_dhcp_lease_get_address(sd_dhcp_lease *lease, struct in_addr *addr) { assert_return(lease, -EINVAL); @@ -504,9 +505,18 @@ int dhcp_lease_parse_options(uint8_t code, uint8_t len, const uint8_t *option, if (e) *e = 0; - if (!hostname_is_valid(domainname) || is_localhost(domainname)) + if (is_localhost(domainname)) break; + r = dns_name_is_valid(domainname); + if (r <= 0) { + if (r < 0) + log_error_errno(r, "Failed to validate domain name: %s: %m", domainname); + if (r == 0) + log_warning("Domain name is not valid, ignoring: %s", domainname); + break; + } + free(lease->domainname); lease->domainname = domainname; domainname = NULL; diff --git a/src/libsystemd-network/sd-dhcp-server.c b/src/libsystemd-network/sd-dhcp-server.c index a0a2320efa..cc5e032344 100644 --- a/src/libsystemd-network/sd-dhcp-server.c +++ b/src/libsystemd-network/sd-dhcp-server.c @@ -902,7 +902,7 @@ static int server_receive_message(sd_event_source *s, int fd, else if ((size_t)len < sizeof(DHCPMessage)) return 0; - for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg)) { + CMSG_FOREACH(cmsg, &msg) { if (cmsg->cmsg_level == IPPROTO_IP && cmsg->cmsg_type == IP_PKTINFO && cmsg->cmsg_len == CMSG_LEN(sizeof(struct in_pktinfo))) { |