diff options
Diffstat (limited to 'src/libsystemd-network/sd-dhcp-lease.c')
| -rw-r--r-- | src/libsystemd-network/sd-dhcp-lease.c | 21 |
1 files changed, 3 insertions, 18 deletions
diff --git a/src/libsystemd-network/sd-dhcp-lease.c b/src/libsystemd-network/sd-dhcp-lease.c index f4979f7da7..f6b572a996 100644 --- a/src/libsystemd-network/sd-dhcp-lease.c +++ b/src/libsystemd-network/sd-dhcp-lease.c @@ -310,23 +310,6 @@ static int lease_parse_in_addrs_pairs(const uint8_t *option, size_t len, struct return lease_parse_in_addrs_aux(option, len, ret, ret_size, 2); } -static int class_prefixlen(uint8_t msb_octet, uint8_t *ret) { - if (msb_octet < 128) - /* Class A */ - *ret = 8; - else if (msb_octet < 192) - /* Class B */ - *ret = 16; - else if (msb_octet < 224) - /* Class C */ - *ret = 24; - else - /* Class D or E -- no subnet mask */ - return -ERANGE; - - return 0; -} - static int lease_parse_routes(const uint8_t *option, size_t len, struct sd_dhcp_route **routes, size_t *routes_size, size_t *routes_allocated) { @@ -348,8 +331,10 @@ static int lease_parse_routes(const uint8_t *option, size_t len, struct sd_dhcp_ while (len >= 8) { struct sd_dhcp_route *route = *routes + *routes_size; + int r; - if (class_prefixlen(*option, &route->dst_prefixlen) < 0) { + r = in_addr_default_prefixlen((struct in_addr*) option, &route->dst_prefixlen); + if (r < 0) { log_error("Failed to determine destination prefix length from class based IP, ignoring"); continue; } |