diff options
Diffstat (limited to 'src/libnm-glib-aux/nm-shared-utils.h')
| -rw-r--r-- | src/libnm-glib-aux/nm-shared-utils.h | 364 |
1 files changed, 4 insertions, 360 deletions
diff --git a/src/libnm-glib-aux/nm-shared-utils.h b/src/libnm-glib-aux/nm-shared-utils.h index 3d8eaced07..892d0d3012 100644 --- a/src/libnm-glib-aux/nm-shared-utils.h +++ b/src/libnm-glib-aux/nm-shared-utils.h @@ -214,128 +214,6 @@ nm_ether_addr_equal(const NMEtherAddr *a, const NMEtherAddr *b) /*****************************************************************************/ -typedef struct { - union { - guint8 addr_ptr[sizeof(struct in6_addr)]; - in_addr_t addr4; - struct in_addr addr4_struct; - struct in6_addr addr6; - - /* NMIPAddr is really a union for IP addresses. - * However, as ethernet addresses fit in here nicely, use - * it also for an ethernet MAC address. */ - guint8 ether_addr_octet[6 /*ETH_ALEN*/]; - NMEtherAddr ether_addr; - - guint8 array[sizeof(struct in6_addr)]; - }; -} NMIPAddr; - -#define NM_IP_ADDR_INIT \ - { \ - .array = { 0 } \ - } - -extern const NMIPAddr nm_ip_addr_zero; - -#define nm_ether_addr_zero (nm_ip_addr_zero.ether_addr) - -static inline int -nm_ip_addr_cmp(int addr_family, gconstpointer a, gconstpointer b) -{ - /* Note that @a and @b are not required to be full NMIPAddr unions. - * Depending on @addr_family, they can also be only in_addr_t or - * struct in6_addr. */ - NM_CMP_SELF(a, b); - NM_CMP_DIRECT_MEMCMP(a, b, nm_utils_addr_family_to_size(addr_family)); - return 0; -} - -int nm_ip_addr_cmp_for_sort(gconstpointer a, gconstpointer b, gpointer user_data); - -static inline gboolean -nm_ip_addr_equal(int addr_family, gconstpointer a, gconstpointer b) -{ - return nm_ip_addr_cmp(addr_family, a, b) == 0; -} - -static inline gboolean -nm_ip_addr_is_null(int addr_family, gconstpointer addr) -{ - nm_assert(addr); - - if (NM_IS_IPv4(addr_family)) { - in_addr_t t; - - /* also for in_addr_t type (AF_INET), we accept that the pointer might - * be unaligned. */ - memcpy(&t, addr, sizeof(t)); - return t == 0; - } - - return IN6_IS_ADDR_UNSPECIFIED((const struct in6_addr *) addr); -} - -static inline void -nm_ip_addr_set(int addr_family, gpointer dst, gconstpointer src) -{ - nm_assert(dst); - nm_assert(src); - - /* this MUST use memcpy() to support unaligned src/dst pointers. */ - memcpy(dst, src, nm_utils_addr_family_to_size(addr_family)); - - /* Note that @dst is not necessarily a NMIPAddr, it could also be just - * an in_addr_t/struct in6_addr. We thus can only set the bytes that - * we know are present based on the address family. - * - * Using this function to initialize an NMIPAddr union (for IPv4) leaves - * uninitalized bytes. Avoid that by using nm_ip_addr_init() instead. */ -} - -static inline NMIPAddr -nm_ip_addr_init(int addr_family, gconstpointer src) -{ - NMIPAddr a; - - nm_assert_addr_family(addr_family); - nm_assert(src); - - G_STATIC_ASSERT_EXPR(sizeof(NMIPAddr) == sizeof(struct in6_addr)); - - /* this MUST use memcpy() to support unaligned src/dst pointers. */ - - if (NM_IS_IPv4(addr_family)) { - memcpy(&a, src, sizeof(in_addr_t)); - - /* ensure all bytes of the union are initialized. If only to make - * valgrind happy. */ - memset(&a.array[sizeof(in_addr_t)], 0, sizeof(a) - sizeof(in_addr_t)); - } else - memcpy(&a, src, sizeof(struct in6_addr)); - - return a; -} - -gboolean nm_ip_addr_set_from_untrusted(int addr_family, - gpointer dst, - gconstpointer src, - gsize src_len, - int *out_addr_family); - -gboolean -nm_ip_addr_set_from_variant(int addr_family, gpointer dst, GVariant *variant, int *out_addr_family); - -static inline gconstpointer -nm_ip_addr_from_packed_array(int addr_family, gconstpointer ipaddr_arr, gsize idx) -{ - return NM_IS_IPv4(addr_family) - ? ((gconstpointer) & (((const struct in_addr *) ipaddr_arr)[idx])) - : ((gconstpointer) & (((const struct in6_addr *) ipaddr_arr)[idx])); -} - -/*****************************************************************************/ - struct ether_addr; static inline int @@ -397,219 +275,6 @@ gboolean nm_utils_get_ipv6_interface_identifier(NMLinkType link_type, /*****************************************************************************/ -static inline guint32 -_nm_utils_ip4_netmask_to_prefix(in_addr_t subnetmask) -{ - G_STATIC_ASSERT_EXPR(__SIZEOF_INT__ == 4); - G_STATIC_ASSERT_EXPR(sizeof(int) == 4); - G_STATIC_ASSERT_EXPR(sizeof(guint) == 4); - G_STATIC_ASSERT_EXPR(sizeof(subnetmask) == 4); - - return ((subnetmask != 0u) ? (guint32) (32 - __builtin_ctz(ntohl(subnetmask))) : 0u); -} - -/** - * _nm_utils_ip4_prefix_to_netmask: - * @prefix: a CIDR prefix - * - * Returns: the netmask represented by the prefix, in network byte order - **/ -static inline in_addr_t -_nm_utils_ip4_prefix_to_netmask(guint32 prefix) -{ - nm_assert(prefix <= 32); - return prefix < 32 ? ~htonl(0xFFFFFFFFu >> prefix) : 0xFFFFFFFFu; -} - -guint32 _nm_utils_ip4_get_default_prefix0(in_addr_t ip); -guint32 _nm_utils_ip4_get_default_prefix(in_addr_t ip); - -gconstpointer -nm_utils_ipx_address_clear_host_address(int family, gpointer dst, gconstpointer src, guint32 plen); - -/* 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. - */ -static inline in_addr_t -nm_utils_ip4_address_clear_host_address(in_addr_t addr, guint32 plen) -{ - return addr & _nm_utils_ip4_prefix_to_netmask(plen); -} - -const struct in6_addr *nm_utils_ip6_address_clear_host_address(struct in6_addr *dst, - const struct in6_addr *src, - guint32 plen); - -static inline int -nm_utils_ip4_address_same_prefix_cmp(in_addr_t addr_a, in_addr_t addr_b, guint32 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, - guint32 plen); - -static inline gboolean -nm_utils_ip4_address_same_prefix(in_addr_t addr_a, in_addr_t addr_b, guint32 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 int -nm_utils_ip_address_same_prefix_cmp(int addr_family, - gconstpointer addr_a, - gconstpointer addr_b, - guint8 plen) -{ - 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_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))) - -/*****************************************************************************/ - -gboolean nm_utils_ip_is_site_local(int addr_family, const void *address); -gboolean nm_utils_ip6_is_ula(const struct in6_addr *address); - -/*****************************************************************************/ - -#define NM_IPV4LL_NETWORK ((in_addr_t) htonl(0xA9FE0000lu)) -#define NM_IPV4LL_NETMASK ((in_addr_t) htonl(0xFFFF0000lu)) - -static inline gboolean -nm_utils_ip4_address_is_loopback(in_addr_t addr) -{ - /* There is also IN_LOOPBACK() in <linux/in.h>, but there the - * argument is in host order not `in_addr_t`. */ - return (addr & htonl(0xFF000000u)) == htonl(0x7F000000u); -} - -static inline gboolean -nm_utils_ip4_address_is_link_local(in_addr_t addr) -{ - return (addr & NM_IPV4LL_NETMASK) == NM_IPV4LL_NETWORK; -} - -static inline gboolean -nm_utils_ip4_address_is_zeronet(in_addr_t network) -{ - /* Same as ipv4_is_zeronet() from kernel's include/linux/in.h. */ - return (network & htonl(0xFF000000u)) == htonl(0x00000000u); -} - -/*****************************************************************************/ - -#define NM_UTILS_INET_ADDRSTRLEN INET6_ADDRSTRLEN - -/* Forward declare function so we don't have to drag in <arpa/inet.h>. */ -const char *inet_ntop(int af, const void *src, char *dst, socklen_t size); - -static inline const char * -nm_utils_inet_ntop(int addr_family, gconstpointer addr, char *dst) -{ - const char *s; - - nm_assert_addr_family(addr_family); - nm_assert(addr); - nm_assert(dst); - - s = inet_ntop(addr_family, - addr, - dst, - addr_family == AF_INET6 ? INET6_ADDRSTRLEN : INET_ADDRSTRLEN); - nm_assert(s); - return s; -} - -static inline const char * -_nm_utils_inet4_ntop(in_addr_t addr, char dst[static INET_ADDRSTRLEN]) -{ - return nm_utils_inet_ntop(AF_INET, &addr, dst); -} - -static inline const char * -_nm_utils_inet6_ntop(const struct in6_addr *addr, char dst[static INET6_ADDRSTRLEN]) -{ - return nm_utils_inet_ntop(AF_INET6, addr, dst); -} - -static inline char * -nm_utils_inet_ntop_dup(int addr_family, gconstpointer addr) -{ - char buf[NM_UTILS_INET_ADDRSTRLEN]; - - return g_strdup(nm_utils_inet_ntop(addr_family, addr, buf)); -} - -static inline char * -nm_utils_inet4_ntop_dup(in_addr_t addr) -{ - return nm_utils_inet_ntop_dup(AF_INET, &addr); -} - -static inline char * -nm_utils_inet6_ntop_dup(const struct in6_addr *addr) -{ - return nm_utils_inet_ntop_dup(AF_INET6, addr); -} - -/*****************************************************************************/ - -gboolean nm_utils_ipaddr_is_valid(int addr_family, const char *str_addr); - -gboolean nm_utils_ipaddr_is_normalized(int addr_family, const char *str_addr); - -/*****************************************************************************/ - -/* this enum is compatible with ICMPV6_ROUTER_PREF_* (from <linux/icmpv6.h>, - * the values for netlink attribute RTA_PREF) and "enum ndp_route_preference" - * from <ndp.h>. */ -typedef enum _nm_packed { - NM_ICMPV6_ROUTER_PREF_MEDIUM = 0x0, /* ICMPV6_ROUTER_PREF_MEDIUM */ - NM_ICMPV6_ROUTER_PREF_LOW = 0x3, /* ICMPV6_ROUTER_PREF_LOW */ - NM_ICMPV6_ROUTER_PREF_HIGH = 0x1, /* ICMPV6_ROUTER_PREF_HIGH */ - NM_ICMPV6_ROUTER_PREF_INVALID = 0x2, /* ICMPV6_ROUTER_PREF_INVALID */ -} NMIcmpv6RouterPref; - -const char *nm_icmpv6_router_pref_to_string(NMIcmpv6RouterPref pref, char *buf, gsize len); - -/*****************************************************************************/ - gboolean nm_utils_memeqzero(gconstpointer data, gsize length); /*****************************************************************************/ @@ -1042,31 +707,6 @@ nm_utils_escaped_tokens_options_escape_val(const char *val, char **out_to_free) /*****************************************************************************/ -gboolean nm_utils_parse_inaddr_bin_full(int addr_family, - gboolean accept_legacy, - const char *text, - int *out_addr_family, - gpointer out_addr); -static inline gboolean -nm_utils_parse_inaddr_bin(int addr_family, - const char *text, - int *out_addr_family, - gpointer out_addr) -{ - return nm_utils_parse_inaddr_bin_full(addr_family, FALSE, text, out_addr_family, out_addr); -} - -gboolean nm_utils_parse_inaddr(int addr_family, const char *text, char **out_addr); - -gboolean nm_utils_parse_inaddr_prefix_bin(int addr_family, - const char *text, - int *out_addr_family, - gpointer out_addr, - int *out_prefix); - -gboolean -nm_utils_parse_inaddr_prefix(int addr_family, const char *text, char **out_addr, int *out_prefix); - gboolean nm_utils_parse_next_line(const char **inout_ptr, gsize *inout_len, const char **out_line, @@ -1658,6 +1298,10 @@ nm_g_variant_new_au(const guint32 *data, gsize len) return g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, data, len, sizeof(guint32)); } +struct _NMIPAddr; + +extern const struct _NMIPAddr nm_ip_addr_zero; + static inline GVariant * nm_g_variant_new_ay_inaddr(int addr_family, gconstpointer addr) { |