diff options
Diffstat (limited to 'src/nm-core-utils.h')
| -rw-r--r-- | src/nm-core-utils.h | 239 |
1 files changed, 94 insertions, 145 deletions
diff --git a/src/nm-core-utils.h b/src/nm-core-utils.h index 0f37bd20..cc784724 100644 --- a/src/nm-core-utils.h +++ b/src/nm-core-utils.h @@ -25,6 +25,8 @@ #include <stdio.h> #include <arpa/inet.h> +#include "nm-utils/nm-hash-utils.h" + #include "nm-connection.h" /*****************************************************************************/ @@ -90,31 +92,59 @@ GETTER (void) \ /*****************************************************************************/ -typedef struct { - union { - guint8 addr_ptr[1]; - in_addr_t addr4; - 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 addr_eth[6 /*ETH_ALEN*/]; - }; -} NMIPAddr; - -extern const NMIPAddr nm_ip_addr_zero; - -#define NMIPAddrInit { .addr6 = IN6ADDR_ANY_INIT } - -/*****************************************************************************/ - gboolean nm_ethernet_address_is_valid (gconstpointer addr, gssize len); 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); -gboolean nm_utils_ip6_address_same_prefix (const struct in6_addr *addr_a, const struct in6_addr *addr_b, 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 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; +} + +#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) +{ + nm_assert (addr); + + nm_hash_update (h, addr, sizeof (*addr)); +} + +static inline void +nm_hash_update_in6addr_prefix (NMHashState *h, const struct in6_addr *addr, guint8 plen) +{ + struct in6_addr a; + + nm_assert (addr); + + nm_utils_ip6_address_clear_host_address (&a, addr, plen); + /* we don't hash plen itself. The caller may want to do that.*/ + nm_hash_update_in6addr (h, &a); +} double nm_utils_exp10 (gint16 e); @@ -133,6 +163,21 @@ nm_utils_ip6_route_metric_normalize (guint32 metric) return metric ? metric : 1024 /*NM_PLATFORM_ROUTE_METRIC_DEFAULT_IP6*/; } +static inline guint32 +nm_utils_ip_route_metric_normalize (int addr_family, guint32 metric) +{ + return addr_family == AF_INET6 ? nm_utils_ip6_route_metric_normalize (metric) : metric; +} + +static inline guint32 +nm_utils_ip_route_metric_penalize (int addr_family, guint32 metric, guint32 penalty) +{ + metric = nm_utils_ip_route_metric_normalize (addr_family, metric); + if (metric < G_MAXUINT32 - penalty) + return metric + penalty; + return G_MAXUINT32; +} + int nm_utils_modprobe (GError **error, gboolean suppress_error_loggin, const char *arg1, ...) G_GNUC_NULL_TERMINATED; guint64 nm_utils_get_start_time_for_pid (pid_t pid, char *out_state, pid_t *out_ppid); @@ -174,135 +219,27 @@ NMMatchSpecMatchType nm_match_spec_config (const GSList *specs, GSList *nm_match_spec_split (const char *value); char *nm_match_spec_join (GSList *specs); -extern char _nm_utils_to_string_buffer[2096]; - -void nm_utils_to_string_buffer_init (char **buf, gsize *len); -gboolean nm_utils_to_string_buffer_init_null (gconstpointer obj, char **buf, gsize *len); - -/*****************************************************************************/ - -typedef struct { - unsigned flag; - const char *name; -} NMUtilsFlags2StrDesc; - -#define NM_UTILS_FLAGS2STR(f, n) { .flag = f, .name = ""n, } - -#define _NM_UTILS_FLAGS2STR_DEFINE(scope, fcn_name, flags_type, ...) \ -scope const char * \ -fcn_name (flags_type flags, char *buf, gsize len) \ -{ \ - static const NMUtilsFlags2StrDesc descs[] = { \ - __VA_ARGS__ \ - }; \ - G_STATIC_ASSERT (sizeof (flags_type) <= sizeof (unsigned)); \ - return nm_utils_flags2str (descs, G_N_ELEMENTS (descs), flags, buf, len); \ -}; - -#define NM_UTILS_FLAGS2STR_DEFINE(fcn_name, flags_type, ...) \ - _NM_UTILS_FLAGS2STR_DEFINE (, fcn_name, flags_type, __VA_ARGS__) -#define NM_UTILS_FLAGS2STR_DEFINE_STATIC(fcn_name, flags_type, ...) \ - _NM_UTILS_FLAGS2STR_DEFINE (static, fcn_name, flags_type, __VA_ARGS__) - -const char *nm_utils_flags2str (const NMUtilsFlags2StrDesc *descs, - gsize n_descs, - unsigned flags, - char *buf, - gsize len); - -/*****************************************************************************/ - -#define NM_UTILS_ENUM2STR(v, n) (void) 0; case v: s = ""n""; break; (void) 0 -#define NM_UTILS_ENUM2STR_IGNORE(v) (void) 0; case v: break; (void) 0 - -#define _NM_UTILS_ENUM2STR_DEFINE(scope, fcn_name, lookup_type, int_fmt, ...) \ -scope const char * \ -fcn_name (lookup_type val, char *buf, gsize len) \ -{ \ - nm_utils_to_string_buffer_init (&buf, &len); \ - if (len) { \ - const char *s = NULL; \ - switch (val) { \ - (void) 0, \ - __VA_ARGS__ \ - (void) 0; \ - }; \ - if (s) \ - g_strlcpy (buf, s, len); \ - else \ - g_snprintf (buf, len, "(%"int_fmt")", val); \ - } \ - return buf; \ -} - -#define NM_UTILS_ENUM2STR_DEFINE(fcn_name, lookup_type, ...) \ - _NM_UTILS_ENUM2STR_DEFINE (, fcn_name, lookup_type, "d", __VA_ARGS__) -#define NM_UTILS_ENUM2STR_DEFINE_STATIC(fcn_name, lookup_type, ...) \ - _NM_UTILS_ENUM2STR_DEFINE (static, fcn_name, lookup_type, "d", __VA_ARGS__) - -/*****************************************************************************/ - -#define NM_UTILS_LOOKUP_DEFAULT(v) return (v) -#define NM_UTILS_LOOKUP_DEFAULT_WARN(v) g_return_val_if_reached (v) -#define NM_UTILS_LOOKUP_DEFAULT_NM_ASSERT(v) { nm_assert_not_reached (); return (v); } -#define NM_UTILS_LOOKUP_ITEM(v, n) (void) 0; case v: return (n); (void) 0 -#define NM_UTILS_LOOKUP_STR_ITEM(v, n) NM_UTILS_LOOKUP_ITEM(v, ""n"") -#define NM_UTILS_LOOKUP_ITEM_IGNORE(v) (void) 0; case v: break; (void) 0 -#define NM_UTILS_LOOKUP_ITEM_IGNORE_OTHER() (void) 0; default: break; (void) 0 - -#define _NM_UTILS_LOOKUP_DEFINE(scope, fcn_name, lookup_type, result_type, unknown_val, ...) \ -scope result_type \ -fcn_name (lookup_type val) \ -{ \ - switch (val) { \ - (void) 0, \ - __VA_ARGS__ \ - (void) 0; \ - }; \ - { unknown_val; } \ -} - -#define NM_UTILS_LOOKUP_STR_DEFINE(fcn_name, lookup_type, unknown_val, ...) \ - _NM_UTILS_LOOKUP_DEFINE (, fcn_name, lookup_type, const char *, unknown_val, __VA_ARGS__) -#define NM_UTILS_LOOKUP_STR_DEFINE_STATIC(fcn_name, lookup_type, unknown_val, ...) \ - _NM_UTILS_LOOKUP_DEFINE (static, fcn_name, lookup_type, const char *, unknown_val, __VA_ARGS__) - -/* Call the string-lookup-table function @fcn_name. If the function returns - * %NULL, the numeric index is converted to string using a alloca() buffer. - * Beware: this macro uses alloca(). */ -#define NM_UTILS_LOOKUP_STR(fcn_name, idx) \ - ({ \ - typeof (idx) _idx = (idx); \ - const char *_s; \ - \ - _s = fcn_name (_idx); \ - if (!_s) { \ - _s = g_alloca (30); \ - \ - g_snprintf ((char *) _s, 30, "(%lld)", (long long) _idx); \ - } \ - _s; \ - }) - /*****************************************************************************/ const char *nm_utils_get_ip_config_method (NMConnection *connection, GType ip_setting_type); +gboolean nm_utils_connection_has_default_route (NMConnection *connection, + int addr_family, + gboolean *out_is_never_default); + char *nm_utils_new_vlan_name (const char *parent_iface, guint32 vlan_id); const char *nm_utils_new_infiniband_name (char *name, const char *parent_name, int p_key); -GPtrArray *nm_utils_read_resolv_conf_nameservers (const char *rc_contents); -GPtrArray *nm_utils_read_resolv_conf_dns_options (const char *rc_contents); +gboolean nm_utils_resolve_conf_parse (int addr_family, + const char *rc_contents, + GArray *nameservers, + GPtrArray *dns_options); int nm_utils_cmp_connection_by_autoconnect_priority (NMConnection *a, NMConnection *b); void nm_utils_log_connection_diff (NMConnection *connection, NMConnection *diff_base, guint32 level, guint64 domain, const char *name, const char *prefix); -#define NM_UTILS_NS_PER_SECOND ((gint64) 1000000000) -#define NM_UTILS_NS_PER_MSEC ((gint64) 1000000) -#define NM_UTILS_NS_TO_MSEC_CEIL(nsec) (((nsec) + (NM_UTILS_NS_PER_MSEC - 1)) / NM_UTILS_NS_PER_MSEC) - gint64 nm_utils_get_monotonic_timestamp_ns (void); gint64 nm_utils_get_monotonic_timestamp_us (void); gint64 nm_utils_get_monotonic_timestamp_ms (void); @@ -311,16 +248,17 @@ gint64 nm_utils_monotonic_timestamp_as_boottime (gint64 timestamp, gint64 timest gboolean nm_utils_is_valid_path_component (const char *name); const char *NM_ASSERT_VALID_PATH_COMPONENT (const char *name); -const char *nm_utils_ip6_property_path (const char *ifname, const char *property); -const char *nm_utils_ip4_property_path (const char *ifname, const char *property); -gboolean nm_utils_is_specific_hostname (const char *name); +#define NM_UTILS_SYSCTL_IP_CONF_PATH_BUFSIZE 100 + +const char *nm_utils_sysctl_ip_conf_path (int addr_family, char *buf, const char *ifname, const char *property); -int nm_utils_fd_wait_for_event (int fd, int event, gint64 timeout_ns); -ssize_t nm_utils_fd_read_loop (int fd, void *buf, size_t nbytes, bool do_poll); -int nm_utils_fd_read_loop_exact (int fd, void *buf, size_t nbytes, bool do_poll); +gboolean nm_utils_sysctl_ip_conf_is_path (int addr_family, const char *path, const char *ifname, const char *property); + +gboolean nm_utils_is_specific_hostname (const char *name); int nm_utils_fd_get_contents (int fd, + gboolean close_fd, gsize max_length, char **contents, gsize *length, @@ -339,8 +277,6 @@ gboolean nm_utils_file_set_contents (const gchar *filename, mode_t mode, GError **error); -int nm_utils_read_urandom (void *p, size_t n); - char *nm_utils_machine_id_read (void); gboolean nm_utils_machine_id_parse (const char *id_str, /*uuid_t*/ guchar *out_uuid); @@ -348,7 +284,7 @@ guint8 *nm_utils_secret_key_read (gsize *out_key_len, GError **error); const char *nm_utils_get_boot_id (void); -/* IPv6 Interface Identifer helpers */ +/* IPv6 Interface Identifier helpers */ /** * NMUtilsIPv6IfaceId: @@ -494,6 +430,19 @@ gboolean nm_utils_validate_plugin (const char *path, struct stat *stat, GError * char **nm_utils_read_plugin_paths (const char *dirname, const char *prefix); char *nm_utils_format_con_diff_for_audit (GHashTable *diff); +/*****************************************************************************/ + +/* 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_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); /*****************************************************************************/ |