diff --git a/src/core/nm-core-utils.h b/src/core/nm-core-utils.h index 8f4bf786b6..aeb28a5393 100644 --- a/src/core/nm-core-utils.h +++ b/src/core/nm-core-utils.h @@ -98,73 +98,6 @@ void _nm_singleton_instance_register_destruction(GObject *instance); gboolean nm_ether_addr_is_valid(const NMEtherAddr *addr); gboolean nm_ether_addr_is_valid_str(const char *str); -gconstpointer -nm_utils_ipx_address_clear_host_address(int family, gpointer dst, gconstpointer src, guint8 plen); -in_addr_t nm_utils_ip4_address_clear_host_address(in_addr_t addr, guint8 plen); -const struct in6_addr *nm_utils_ip6_address_clear_host_address(struct in6_addr * dst, - const struct in6_addr *src, - guint8 plen); - -static inline int -nm_utils_ip4_address_same_prefix_cmp(in_addr_t addr_a, in_addr_t addr_b, guint8 plen) -{ - NM_CMP_DIRECT(htonl(nm_utils_ip4_address_clear_host_address(addr_a, plen)), - htonl(nm_utils_ip4_address_clear_host_address(addr_b, plen))); - return 0; -} - -int nm_utils_ip6_address_same_prefix_cmp(const struct in6_addr *addr_a, - const struct in6_addr *addr_b, - guint8 plen); - -static inline int -nm_utils_ip_address_same_prefix_cmp(int addr_family, - gconstpointer addr_a, - gconstpointer addr_b, - guint8 plen) -{ - nm_assert_addr_family(addr_family); - - NM_CMP_SELF(addr_a, addr_b); - - if (NM_IS_IPv4(addr_family)) { - return nm_utils_ip4_address_same_prefix_cmp(*((const in_addr_t *) addr_a), - *((const in_addr_t *) addr_b), - plen); - } - - return nm_utils_ip6_address_same_prefix_cmp(addr_a, addr_b, plen); -} - -static inline gboolean -nm_utils_ip4_address_same_prefix(in_addr_t addr_a, in_addr_t addr_b, guint8 plen) -{ - return nm_utils_ip4_address_same_prefix_cmp(addr_a, addr_b, plen) == 0; -} - -static inline gboolean -nm_utils_ip6_address_same_prefix(const struct in6_addr *addr_a, - const struct in6_addr *addr_b, - guint8 plen) -{ - return nm_utils_ip6_address_same_prefix_cmp(addr_a, addr_b, plen) == 0; -} - -static inline gboolean -nm_utils_ip_address_same_prefix(int addr_family, - gconstpointer addr_a, - gconstpointer addr_b, - guint8 plen) -{ - return nm_utils_ip_address_same_prefix_cmp(addr_family, addr_a, addr_b, plen) == 0; -} - -#define NM_CMP_DIRECT_IN4ADDR_SAME_PREFIX(a, b, plen) \ - NM_CMP_RETURN(nm_utils_ip4_address_same_prefix_cmp((a), (b), (plen))) - -#define NM_CMP_DIRECT_IN6ADDR_SAME_PREFIX(a, b, plen) \ - NM_CMP_RETURN(nm_utils_ip6_address_same_prefix_cmp((a), (b), (plen))) - static inline void nm_hash_update_in6addr(NMHashState *h, const struct in6_addr *addr) { diff --git a/src/libnm-glib-aux/nm-shared-utils.c b/src/libnm-glib-aux/nm-shared-utils.c index bec6bbf67b..c117dad35b 100644 --- a/src/libnm-glib-aux/nm-shared-utils.c +++ b/src/libnm-glib-aux/nm-shared-utils.c @@ -792,106 +792,6 @@ _nm_utils_ip4_prefix_to_netmask(guint32 prefix) return prefix < 32 ? ~htonl(0xFFFFFFFFu >> prefix) : 0xFFFFFFFFu; } -gconstpointer -nm_utils_ipx_address_clear_host_address(int family, gpointer dst, gconstpointer src, guint8 plen) -{ - g_return_val_if_fail(dst, NULL); - - switch (family) { - case AF_INET: - g_return_val_if_fail(plen <= 32, NULL); - - if (!src) { - /* allow "self-assignment", by specifying %NULL as source. */ - src = dst; - } - - *((guint32 *) dst) = nm_utils_ip4_address_clear_host_address(*((guint32 *) src), plen); - break; - case AF_INET6: - nm_utils_ip6_address_clear_host_address(dst, src, plen); - break; - default: - g_return_val_if_reached(NULL); - } - return dst; -} - -/* nm_utils_ip4_address_clear_host_address: - * @addr: source ip6 address - * @plen: prefix length of network - * - * returns: the input address, with the host address set to 0. - */ -in_addr_t -nm_utils_ip4_address_clear_host_address(in_addr_t addr, guint8 plen) -{ - return addr & _nm_utils_ip4_prefix_to_netmask(plen); -} - -/* nm_utils_ip6_address_clear_host_address: - * @dst: destination output buffer, will contain the network part of the @src address - * @src: source ip6 address - * @plen: prefix length of network - * - * Note: this function is self assignment safe, to update @src inplace, set both - * @dst and @src to the same destination or set @src NULL. - */ -const struct in6_addr * -nm_utils_ip6_address_clear_host_address(struct in6_addr * dst, - const struct in6_addr *src, - guint8 plen) -{ - g_return_val_if_fail(plen <= 128, NULL); - g_return_val_if_fail(dst, NULL); - - if (!src) - src = dst; - - if (plen < 128) { - guint nbytes = plen / 8; - guint nbits = plen % 8; - - if (nbytes && dst != src) - memcpy(dst, src, nbytes); - if (nbits) { - dst->s6_addr[nbytes] = (src->s6_addr[nbytes] & (0xFF << (8 - nbits))); - nbytes++; - } - if (nbytes <= 15) - memset(&dst->s6_addr[nbytes], 0, 16 - nbytes); - } else if (src != dst) - *dst = *src; - - return dst; -} - -int -nm_utils_ip6_address_same_prefix_cmp(const struct in6_addr *addr_a, - const struct in6_addr *addr_b, - guint8 plen) -{ - int nbytes; - guint8 va, vb, m; - - if (plen >= 128) - NM_CMP_DIRECT_MEMCMP(addr_a, addr_b, sizeof(struct in6_addr)); - else { - nbytes = plen / 8; - if (nbytes) - NM_CMP_DIRECT_MEMCMP(addr_a, addr_b, nbytes); - - plen = plen % 8; - if (plen != 0) { - m = ~((1 << (8 - plen)) - 1); - va = ((((const guint8 *) addr_a))[nbytes]) & m; - vb = ((((const guint8 *) addr_b))[nbytes]) & m; - NM_CMP_DIRECT(va, vb); - } - } - return 0; -} - /*****************************************************************************/ guint32 @@ -5906,3 +5806,105 @@ _nm_utils_ssid_to_string_gbytes(GBytes *ssid) p = g_bytes_get_data(ssid, &l); return _nm_utils_ssid_to_string_arr(p, l); } + +/*****************************************************************************/ + +gconstpointer +nm_utils_ipx_address_clear_host_address(int family, gpointer dst, gconstpointer src, guint8 plen) +{ + g_return_val_if_fail(dst, NULL); + + switch (family) { + case AF_INET: + g_return_val_if_fail(plen <= 32, NULL); + + if (!src) { + /* allow "self-assignment", by specifying %NULL as source. */ + src = dst; + } + + *((guint32 *) dst) = nm_utils_ip4_address_clear_host_address(*((guint32 *) src), plen); + break; + case AF_INET6: + nm_utils_ip6_address_clear_host_address(dst, src, plen); + break; + default: + g_return_val_if_reached(NULL); + } + return dst; +} + +/* nm_utils_ip4_address_clear_host_address: + * @addr: source ip6 address + * @plen: prefix length of network + * + * returns: the input address, with the host address set to 0. + */ +in_addr_t +nm_utils_ip4_address_clear_host_address(in_addr_t addr, guint8 plen) +{ + return addr & _nm_utils_ip4_prefix_to_netmask(plen); +} + +/* nm_utils_ip6_address_clear_host_address: + * @dst: destination output buffer, will contain the network part of the @src address + * @src: source ip6 address + * @plen: prefix length of network + * + * Note: this function is self assignment safe, to update @src inplace, set both + * @dst and @src to the same destination or set @src NULL. + */ +const struct in6_addr * +nm_utils_ip6_address_clear_host_address(struct in6_addr * dst, + const struct in6_addr *src, + guint8 plen) +{ + g_return_val_if_fail(plen <= 128, NULL); + g_return_val_if_fail(dst, NULL); + + if (!src) + src = dst; + + if (plen < 128) { + guint nbytes = plen / 8; + guint nbits = plen % 8; + + if (nbytes && dst != src) + memcpy(dst, src, nbytes); + if (nbits) { + dst->s6_addr[nbytes] = (src->s6_addr[nbytes] & (0xFF << (8 - nbits))); + nbytes++; + } + if (nbytes <= 15) + memset(&dst->s6_addr[nbytes], 0, 16 - nbytes); + } else if (src != dst) + *dst = *src; + + return dst; +} + +int +nm_utils_ip6_address_same_prefix_cmp(const struct in6_addr *addr_a, + const struct in6_addr *addr_b, + guint8 plen) +{ + int nbytes; + guint8 va, vb, m; + + if (plen >= 128) + NM_CMP_DIRECT_MEMCMP(addr_a, addr_b, sizeof(struct in6_addr)); + else { + nbytes = plen / 8; + if (nbytes) + NM_CMP_DIRECT_MEMCMP(addr_a, addr_b, nbytes); + + plen = plen % 8; + if (plen != 0) { + m = ~((1 << (8 - plen)) - 1); + va = ((((const guint8 *) addr_a))[nbytes]) & m; + vb = ((((const guint8 *) addr_b))[nbytes]) & m; + NM_CMP_DIRECT(va, vb); + } + } + return 0; +} diff --git a/src/libnm-glib-aux/nm-shared-utils.h b/src/libnm-glib-aux/nm-shared-utils.h index 37f1402259..ced3e6e08c 100644 --- a/src/libnm-glib-aux/nm-shared-utils.h +++ b/src/libnm-glib-aux/nm-shared-utils.h @@ -353,6 +353,75 @@ gboolean nm_utils_get_ipv6_interface_identifier(NMLinkType link_type, /*****************************************************************************/ +gconstpointer +nm_utils_ipx_address_clear_host_address(int family, gpointer dst, gconstpointer src, guint8 plen); +in_addr_t nm_utils_ip4_address_clear_host_address(in_addr_t addr, guint8 plen); +const struct in6_addr *nm_utils_ip6_address_clear_host_address(struct in6_addr * dst, + const struct in6_addr *src, + guint8 plen); + +static inline int +nm_utils_ip4_address_same_prefix_cmp(in_addr_t addr_a, in_addr_t addr_b, guint8 plen) +{ + NM_CMP_DIRECT(htonl(nm_utils_ip4_address_clear_host_address(addr_a, plen)), + htonl(nm_utils_ip4_address_clear_host_address(addr_b, plen))); + return 0; +} + +int nm_utils_ip6_address_same_prefix_cmp(const struct in6_addr *addr_a, + const struct in6_addr *addr_b, + guint8 plen); + +static inline int +nm_utils_ip_address_same_prefix_cmp(int addr_family, + gconstpointer addr_a, + gconstpointer addr_b, + guint8 plen) +{ + nm_assert_addr_family(addr_family); + + NM_CMP_SELF(addr_a, addr_b); + + if (NM_IS_IPv4(addr_family)) { + return nm_utils_ip4_address_same_prefix_cmp(*((const in_addr_t *) addr_a), + *((const in_addr_t *) addr_b), + plen); + } + + return nm_utils_ip6_address_same_prefix_cmp(addr_a, addr_b, plen); +} + +static inline gboolean +nm_utils_ip4_address_same_prefix(in_addr_t addr_a, in_addr_t addr_b, guint8 plen) +{ + return nm_utils_ip4_address_same_prefix_cmp(addr_a, addr_b, plen) == 0; +} + +static inline gboolean +nm_utils_ip6_address_same_prefix(const struct in6_addr *addr_a, + const struct in6_addr *addr_b, + guint8 plen) +{ + return nm_utils_ip6_address_same_prefix_cmp(addr_a, addr_b, plen) == 0; +} + +static inline gboolean +nm_utils_ip_address_same_prefix(int addr_family, + gconstpointer addr_a, + gconstpointer addr_b, + guint8 plen) +{ + return nm_utils_ip_address_same_prefix_cmp(addr_family, addr_a, addr_b, plen) == 0; +} + +#define NM_CMP_DIRECT_IN4ADDR_SAME_PREFIX(a, b, plen) \ + NM_CMP_RETURN(nm_utils_ip4_address_same_prefix_cmp((a), (b), (plen))) + +#define NM_CMP_DIRECT_IN6ADDR_SAME_PREFIX(a, b, plen) \ + NM_CMP_RETURN(nm_utils_ip6_address_same_prefix_cmp((a), (b), (plen))) + +/*****************************************************************************/ + #define NM_UTILS_INET_ADDRSTRLEN INET6_ADDRSTRLEN static inline const char *