X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;ds=sidebyside;f=src%2Fshared%2Fnet-util.c;h=ba21ae437f3da968aae980c584a32c07a0ffca1c;hb=b6e2f3293d0f9a821819d96038eec2a19062151f;hp=fa89bd904fea589d52dfd63d0544fea37bd20f18;hpb=71a6151083d842b2f5bf04e50239f0bf85d34d2e;p=elogind.git diff --git a/src/shared/net-util.c b/src/shared/net-util.c index fa89bd904..ba21ae437 100644 --- a/src/shared/net-util.c +++ b/src/shared/net-util.c @@ -40,49 +40,30 @@ bool net_match_config(const struct ether_addr *match_mac, const char *dev_type, const char *dev_name) { - if (match_mac) { - if (!dev_mac || memcmp(match_mac, ether_aton(dev_mac), ETH_ALEN)) { - log_debug("Interface MAC address (%s) did not match MACAddress=%s", - dev_mac, ether_ntoa(match_mac)); - return 0; - } - } + if (match_mac && (!dev_mac || memcmp(match_mac, ether_aton(dev_mac), ETH_ALEN))) + return 0; - if (match_path) { - if (!streq_ptr(match_path, dev_path)) { - log_debug("Interface persistent path (%s) did not match Path=%s", - dev_path, match_path); - return 0; - } - } + if (match_path && !streq_ptr(match_path, dev_path)) + return 0; - if (match_driver) { - if (!streq_ptr(match_driver, dev_driver)) { - log_debug("Interface device driver (%s) did not match Driver=%s", - dev_driver, match_driver); - return 0; - } - } + if (match_driver && !streq_ptr(match_driver, dev_driver)) + return 0; - if (match_type) { - if (!streq_ptr(match_type, dev_type)) { - log_debug("Interface type (%s) did not match Type=%s", - dev_type, match_type); - return 0; - } - } + if (match_type && !streq_ptr(match_type, dev_type)) + return 0; - if (match_name) { - if (!streq_ptr(match_name, dev_name)) { - log_debug("Interface name (%s) did not match Name=%s", - dev_name, match_name); - return 0; - } - } + if (match_name && !streq_ptr(match_name, dev_name)) + return 0; return 1; } +unsigned net_netmask_to_prefixlen(const struct in_addr *addr) { + assert(addr); + + return 32 - u32ctz(be32toh(addr->s_addr)); +} + int config_parse_ifname(const char *unit, const char *filename, unsigned line, @@ -217,16 +198,24 @@ int net_parse_inaddr(const char *address, unsigned char *family, void *dst) { /* IPv4 */ r = inet_pton(AF_INET, address, dst); - if (r > 0) - *family = AF_INET; /* successfully parsed IPv4 address */ - else if (r < 0) + if (r > 0) { + /* succsefully parsed IPv4 address */ + if (*family == AF_UNSPEC) + *family = AF_INET; + else if (*family != AF_INET) + return -EINVAL; + } else if (r < 0) return -errno; else { /* not an IPv4 address, so let's try IPv6 */ r = inet_pton(AF_INET6, address, dst); - if (r > 0) - *family = AF_INET6; /* successfully parsed IPv6 address */ - else if (r < 0) + if (r > 0) { + /* successfully parsed IPv6 address */ + if (*family == AF_UNSPEC) + *family = AF_INET6; + else if (*family != AF_INET6) + return -EINVAL; + } else if (r < 0) return -errno; else return -EINVAL;