diff options
Diffstat (limited to 'src/core/nm-core-utils.c')
| -rw-r--r-- | src/core/nm-core-utils.c | 290 |
1 files changed, 174 insertions, 116 deletions
diff --git a/src/core/nm-core-utils.c b/src/core/nm-core-utils.c index 747e1c09..e05638e4 100644 --- a/src/core/nm-core-utils.c +++ b/src/core/nm-core-utils.c @@ -110,7 +110,7 @@ _nm_utils_set_testing(NMUtilsTestFlags flags) /*****************************************************************************/ -static GSList * _singletons = NULL; +static GSList *_singletons = NULL; static gboolean _singletons_shutdown = FALSE; static void @@ -292,7 +292,7 @@ typedef struct { } sync; }; NMUtilsKillChildAsyncCb callback; - void * user_data; + void *user_data; char log_name[1]; /* variable-length object, must be last element!! */ } KillChildAsyncData; @@ -304,9 +304,9 @@ typedef struct { static KillChildAsyncData * _kc_async_data_alloc(pid_t pid, NMLogDomain log_domain, - const char * log_name, + const char *log_name, NMUtilsKillChildAsyncCb callback, - void * user_data) + void *user_data) { KillChildAsyncData *data; size_t log_name_len; @@ -443,9 +443,9 @@ _kc_invoke_callback_idle(gpointer user_data) static void _kc_invoke_callback(pid_t pid, NMLogDomain log_domain, - const char * log_name, + const char *log_name, NMUtilsKillChildAsyncCb callback, - void * user_data, + void *user_data, gboolean success, int child_status) { @@ -482,10 +482,10 @@ void nm_utils_kill_child_async(pid_t pid, int sig, NMLogDomain log_domain, - const char * log_name, + const char *log_name, guint32 wait_before_kill_msec, NMUtilsKillChildAsyncCb callback, - void * user_data) + void *user_data) { int status = 0, errsv; pid_t ret; @@ -620,7 +620,7 @@ nm_utils_kill_child_sync(pid_t pid, int sig, NMLogDomain log_domain, const char *log_name, - int * child_status, + int *child_status, guint32 wait_before_kill_msec, guint32 sleep_duration_msec) { @@ -1176,14 +1176,14 @@ typedef struct { static gboolean match_device_s390_subchannels_parse(const char *s390_subchannels, - guint32 * out_a, - guint32 * out_b, - guint32 * out_c) + guint32 *out_a, + guint32 *out_b, + guint32 *out_c) { char buf[30 + 1]; const int BUFSIZE = G_N_ELEMENTS(buf) - 1; guint i = 0; - char * pa = NULL, *pb = NULL, *pc = NULL; + char *pa = NULL, *pb = NULL, *pc = NULL; gint64 a, b, c; nm_assert(s390_subchannels); @@ -1417,20 +1417,20 @@ match_device_eval(const char *spec_str, gboolean allow_fuzzy, MatchDeviceData *m NMMatchSpecMatchType nm_match_spec_device(const GSList *specs, - const char * interface_name, - const char * device_type, - const char * driver, - const char * driver_version, - const char * hwaddr, - const char * s390_subchannels, - const char * dhcp_plugin) + const char *interface_name, + const char *device_type, + const char *driver, + const char *driver_version, + const char *hwaddr, + const char *s390_subchannels, + const char *dhcp_plugin) { - const GSList * iter; + const GSList *iter; gboolean has_match = FALSE; gboolean has_match_except = FALSE; gboolean has_except = FALSE; gboolean has_not_except = FALSE; - const char * spec_str; + const char *spec_str; MatchDeviceData match_data = { .interface_name = interface_name, .device_type = nm_str_not_empty(device_type), @@ -1511,12 +1511,12 @@ match_connection_eval(const char *spec_str, const MatchConnectionData *match_dat static NMMatchSpecMatchType match_spec_connection(const GSList *specs, const char *id, const char *uuid, const char *origin) { - const GSList * iter; + const GSList *iter; gboolean has_match = FALSE; gboolean has_match_except = FALSE; gboolean has_except = FALSE; gboolean has_not_except = FALSE; - const char * spec_str; + const char *spec_str; const MatchConnectionData match_data = { .id = nm_str_not_empty(id), .uuid = nm_str_not_empty(uuid), @@ -1564,8 +1564,8 @@ nm_utils_connection_match_spec_list(NMConnection *connection, int no_match_value) { NMMatchSpecMatchType m; - NMSettingUser * s_user; - const char * origin = NULL; + NMSettingUser *s_user; + const char *origin = NULL; if (!specs) return no_match_value; @@ -1593,7 +1593,7 @@ nm_utils_connection_match_spec_list(NMConnection *connection, static gboolean match_config_eval(const char *str, const char *tag, guint cur_nm_version) { - gs_free char * s_ver = NULL; + gs_free char *s_ver = NULL; gs_strfreev char **s_ver_tokens = NULL; int v_maj = -1, v_min = -1, v_mic = -1; guint c_maj = -1, c_min = -1, c_mic = -1; @@ -1735,7 +1735,7 @@ nm_match_spec_config(const GSList *specs, guint cur_nm_version, const char *env) GSList * nm_match_spec_split(const char *value) { - char * string_value, *p, *q0, *q; + char *string_value, *p, *q0, *q; GSList *pieces = NULL; int trailing_ws; @@ -1835,7 +1835,7 @@ char * nm_match_spec_join(GSList *specs) { const char *p; - GString * str; + GString *str; str = g_string_new(""); @@ -1898,10 +1898,10 @@ nm_match_spec_join(GSList *specs) } static void -_pattern_parse(const char * input, +_pattern_parse(const char *input, const char **out_pattern, - gboolean * out_is_inverted, - gboolean * out_is_mandatory) + gboolean *out_is_inverted, + gboolean *out_is_mandatory) { gboolean is_inverted = FALSE; gboolean is_mandatory = FALSE; @@ -2006,7 +2006,7 @@ gboolean nm_utils_kernel_cmdline_match_check(const char *const *proc_cmdline, const char *const *patterns, guint num_patterns, - GError ** error) + GError **error) { gboolean has_optional = FALSE; gboolean has_any_optional = FALSE; @@ -2109,13 +2109,13 @@ nm_utils_cmp_connection_by_autoconnect_priority(NMConnection *a, NMConnection *b typedef struct { const char *name; - NMSetting * setting; - NMSetting * diff_base_setting; + NMSetting *setting; + NMSetting *diff_base_setting; GHashTable *setting_diff; } LogConnectionSettingData; typedef struct { - const char * item_name; + const char *item_name; NMSettingDiffResult diff_result; } LogConnectionSettingItem; @@ -2125,7 +2125,7 @@ _log_connection_sort_hashes_fcn(gconstpointer a, gconstpointer b) const LogConnectionSettingData *v1 = a; const LogConnectionSettingData *v2 = b; NMSettingPriority p1, p2; - NMSetting * s1, *s2; + NMSetting *s1, *s2; s1 = v1->setting ?: v1->diff_base_setting; s2 = v2->setting ?: v2->diff_base_setting; @@ -2144,10 +2144,10 @@ _log_connection_sort_hashes_fcn(gconstpointer a, gconstpointer b) static GArray * _log_connection_sort_hashes(NMConnection *connection, NMConnection *diff_base, - GHashTable * connection_diff) + GHashTable *connection_diff) { GHashTableIter iter; - GArray * sorted_hashes; + GArray *sorted_hashes; LogConnectionSettingData setting_data; sorted_hashes = g_array_sized_new(TRUE, @@ -2192,7 +2192,7 @@ static char * _log_connection_get_property(NMSetting *setting, const char *name) { GValue val = G_VALUE_INIT; - char * s; + char *s; g_return_val_if_fail(setting, NULL); @@ -2215,6 +2215,8 @@ _log_connection_get_property(NMSetting *setting, const char *name) s = g_strdup_printf("'%s'", escaped); g_free(escaped); } + } else if (G_VALUE_HOLDS_VARIANT(&val)) { + s = g_variant_print(g_value_get_variant(&val), FALSE); } else { s = g_strdup_value_contents(&val); if (s == NULL) @@ -2253,18 +2255,18 @@ nm_utils_log_connection_diff(NMConnection *connection, NMConnection *diff_base, guint32 level, guint64 domain, - const char * name, - const char * prefix, - const char * dbus_path) + const char *name, + const char *prefix, + const char *dbus_path) { GHashTable *connection_diff = NULL; - GArray * sorted_hashes; - GArray * sorted_names = NULL; + GArray *sorted_hashes; + GArray *sorted_names = NULL; int i, j; gboolean connection_diff_are_same; gboolean print_header = TRUE; gboolean print_setting_header; - GString * str1; + GString *str1; g_return_if_fail(NM_IS_CONNECTION(connection)); g_return_if_fail(!diff_base || (NM_IS_CONNECTION(diff_base) && diff_base != connection)); @@ -2336,7 +2338,7 @@ nm_utils_log_connection_diff(NMConnection *connection, _log_connection_sort_names(setting_data, sorted_names); print_setting_header = TRUE; for (j = 0; j < sorted_names->len; j++) { - char * str_conn, *str_diff; + char *str_conn, *str_diff; LogConnectionSettingItem *item = &g_array_index(sorted_names, LogConnectionSettingItem, j); @@ -2349,7 +2351,7 @@ nm_utils_log_connection_diff(NMConnection *connection, : NULL; if (print_header) { - GError * err_verify = NULL; + GError *err_verify = NULL; const char *t1, *t2; t1 = nm_connection_get_connection_type(connection); @@ -2526,9 +2528,9 @@ again: if (G_UNLIKELY(!d)) { static gsize lock; static UuidData uuid_data; - gs_free char * content = NULL; + gs_free char *content = NULL; gboolean is_fake = TRUE; - const char * fake_type = NULL; + const char *fake_type = NULL; NMUuid uuid; /* Get the machine ID from /etc/machine-id; it's always in /etc no matter @@ -2666,7 +2668,7 @@ static gboolean _host_id_read_timestamp(gboolean use_secret_key_file, const guint8 *host_id, gsize host_id_len, - gint64 * out_timestamp_ns) + gint64 *out_timestamp_ns) { struct stat st; gint64 now; @@ -2708,10 +2710,10 @@ _host_id_read_timestamp(gboolean use_secret_key_file, static const guint8 * _host_id_hash_v2(const guint8 *seed_arr, gsize seed_len, - guint8 * out_digest /* 32 bytes (NM_UTILS_CHECKSUM_LENGTH_SHA256) */) + guint8 *out_digest /* 32 bytes (NM_UTILS_CHECKSUM_LENGTH_SHA256) */) { nm_auto_free_checksum GChecksum *sum = g_checksum_new(G_CHECKSUM_SHA256); - const UuidData * machine_id_data; + const UuidData *machine_id_data; char slen[100]; /* @@ -2740,9 +2742,9 @@ _host_id_read(guint8 **out_host_id, gsize *out_host_id_len) #define SECRET_KEY_LEN 32u guint8 sha256_digest[NM_UTILS_CHECKSUM_LENGTH_SHA256]; nm_auto_clear_secret_ptr NMSecretPtr file_content = {0}; - const guint8 * secret_arr; + const guint8 *secret_arr; gsize secret_len; - GError * error = NULL; + GError *error = NULL; gboolean success; if (!nm_utils_file_get_contents(-1, @@ -2942,7 +2944,7 @@ nm_utils_host_id_get_timestamp_ns(void) return _host_id_get()->timestamp_ns; } -static GArray * nmtst_host_id_stack = NULL; +static GArray *nmtst_host_id_stack = NULL; static GMutex nmtst_host_id_lock; const HostIdData *nmtst_host_id_static_0 = NULL; @@ -2954,7 +2956,7 @@ nmtst_utils_host_id_push(const guint8 *host_id, { NM_G_MUTEX_LOCKED(&nmtst_host_id_lock); gs_free char *str1_to_free = NULL; - HostIdData * h; + HostIdData *h; g_assert(host_id_len >= -1); @@ -3027,7 +3029,7 @@ again: if (G_UNLIKELY(!d)) { static gsize lock; static UuidData boot_id; - gs_free char * contents = NULL; + gs_free char *contents = NULL; NMUuid uuid; gboolean is_fake = FALSE; @@ -3231,7 +3233,7 @@ get_gre_eui64_u_bit(guint32 addr) */ gboolean nm_utils_get_ipv6_interface_identifier(NMLinkType link_type, - const guint8 * hwaddr, + const guint8 *hwaddr, guint hwaddr_len, guint dev_id, NMUtilsIPv6IfaceId *out_iid) @@ -3312,7 +3314,7 @@ nm_utils_stable_id_generated_complete(const char *stable_id_generated) { nm_auto_free_checksum GChecksum *sum = NULL; guint8 buf[NM_UTILS_CHECKSUM_LENGTH_SHA1]; - char * base64; + char *base64; /* for NM_UTILS_STABLE_TYPE_GENERATED we generate a possibly long string * by doing text-substitutions in nm_utils_stable_id_parse(). @@ -3351,7 +3353,7 @@ nm_utils_stable_id_parse(const char *stable_id, const char *hwaddr, const char *bootid, const char *uuid, - char ** out_generated) + char **out_generated) { gsize i, idx_start; GString *str = NULL; @@ -3501,11 +3503,11 @@ _is_reserved_ipv6_iid(const guint8 *iid) void nm_utils_ipv6_addr_set_stable_privacy_with_host_id(NMUtilsStableType stable_type, - struct in6_addr * addr, - const char * ifname, - const char * network_id, + struct in6_addr *addr, + const char *ifname, + const char *network_id, guint32 dad_counter, - const guint8 * host_id, + const guint8 *host_id, gsize host_id_len) { nm_auto_free_checksum GChecksum *sum = NULL; @@ -3559,9 +3561,9 @@ nm_utils_ipv6_addr_set_stable_privacy_with_host_id(NMUtilsStableType stable_type void nm_utils_ipv6_addr_set_stable_privacy(NMUtilsStableType stable_type, - struct in6_addr * addr, - const char * ifname, - const char * network_id, + struct in6_addr *addr, + const char *ifname, + const char *network_id, guint32 dad_counter) { const guint8 *host_id; @@ -3588,11 +3590,11 @@ nm_utils_ipv6_addr_set_stable_privacy(NMUtilsStableType stable_type, */ gboolean nm_utils_ipv6_addr_set_stable_privacy_may_fail(NMUtilsStableType stable_type, - struct in6_addr * addr, - const char * ifname, - const char * network_id, + struct in6_addr *addr, + const char *ifname, + const char *network_id, guint32 dad_counter, - GError ** error) + GError **error) { g_return_val_if_fail(network_id, FALSE); @@ -3612,8 +3614,8 @@ nm_utils_ipv6_addr_set_stable_privacy_may_fail(NMUtilsStableType stable_type, static void _hw_addr_eth_complete(struct ether_addr *addr, - const char * current_mac_address, - const char * generate_mac_address_mask) + const char *current_mac_address, + const char *generate_mac_address_mask) { struct ether_addr mask; struct ether_addr oui; @@ -3676,12 +3678,12 @@ nm_utils_hw_addr_gen_random_eth(const char *current_mac_address, static char * _hw_addr_gen_stable_eth(NMUtilsStableType stable_type, - const char * stable_id, - const guint8 * host_id, + const char *stable_id, + const guint8 *host_id, gsize host_id_len, - const char * ifname, - const char * current_mac_address, - const char * generate_mac_address_mask) + const char *ifname, + const char *current_mac_address, + const char *generate_mac_address_mask) { nm_auto_free_checksum GChecksum *sum = NULL; guint32 tmp; @@ -3715,12 +3717,12 @@ _hw_addr_gen_stable_eth(NMUtilsStableType stable_type, char * nm_utils_hw_addr_gen_stable_eth_impl(NMUtilsStableType stable_type, - const char * stable_id, - const guint8 * host_id, + const char *stable_id, + const guint8 *host_id, gsize host_id_len, - const char * ifname, - const char * current_mac_address, - const char * generate_mac_address_mask) + const char *ifname, + const char *current_mac_address, + const char *generate_mac_address_mask) { return _hw_addr_gen_stable_eth(stable_type, stable_id, @@ -3733,10 +3735,10 @@ nm_utils_hw_addr_gen_stable_eth_impl(NMUtilsStableType stable_type, char * nm_utils_hw_addr_gen_stable_eth(NMUtilsStableType stable_type, - const char * stable_id, - const char * ifname, - const char * current_mac_address, - const char * generate_mac_address_mask) + const char *stable_id, + const char *ifname, + const char *current_mac_address, + const char *generate_mac_address_mask) { const guint8 *host_id; gsize host_id_len; @@ -3759,7 +3761,7 @@ nm_utils_hw_addr_gen_stable_eth(NMUtilsStableType stable_type, GBytes * nm_utils_dhcp_client_id_mac(int arp_type, const guint8 *hwaddr, gsize hwaddr_len) { - guint8 * client_id_buf; + guint8 *client_id_buf; const guint8 hwaddr_type = arp_type; if (!nm_utils_arp_type_get_hwaddr_relevant_part(arp_type, &hwaddr, &hwaddr_len)) @@ -3921,7 +3923,7 @@ nm_utils_dhcp_client_id_systemd_node_specific(guint32 iaid) GBytes * nm_utils_generate_duid_llt(int arp_type, const guint8 *hwaddr, gsize hwaddr_len, gint64 time) { - guint8 * arr; + guint8 *arr; const guint16 duid_type = htons(1); const guint16 hw_type = htons(arp_type); const guint32 duid_time = htonl(NM_MAX(0, time - NM_UTILS_EPOCH_DATETIME_200001010000)); @@ -3942,7 +3944,7 @@ nm_utils_generate_duid_llt(int arp_type, const guint8 *hwaddr, gsize hwaddr_len, GBytes * nm_utils_generate_duid_ll(int arp_type, const guint8 *hwaddr, gsize hwaddr_len) { - guint8 * arr; + guint8 *arr; const guint16 duid_type = htons(3); const guint16 hw_type = htons(arp_type); @@ -3962,7 +3964,7 @@ GBytes * nm_utils_generate_duid_uuid(const NMUuid *uuid) { const guint16 duid_type = htons(4); - guint8 * duid_buffer; + guint8 *duid_buffer; nm_assert(uuid); @@ -3990,7 +3992,7 @@ again: p = g_atomic_pointer_get(&global_duid); if (G_UNLIKELY(!p)) { nm_auto_free_checksum GChecksum *sum = NULL; - const NMUuid * machine_id; + const NMUuid *machine_id; union { guint8 sha256[NM_UTILS_CHECKSUM_LENGTH_SHA256]; NMUuid uuid; @@ -4110,7 +4112,7 @@ nm_utils_get_reverse_dns_domains_ip_4(guint32 addr, guint8 plen, GPtrArray *doma guint octets; guint i; gsize len0, len; - char * str, *s; + char *str, *s; g_return_if_fail(domains); g_return_if_fail(plen <= 32); @@ -4157,7 +4159,7 @@ nm_utils_get_reverse_dns_domains_ip_6(const struct in6_addr *ip, guint8 plen, GP guint nibbles, bits, entries; int i, j; gsize len0, len; - char * str, *s; + char *str, *s; g_return_if_fail(domains); g_return_if_fail(plen <= 128); @@ -4196,7 +4198,7 @@ nm_utils_get_reverse_dns_domains_ip_6(const struct in6_addr *ip, guint8 plen, GP } struct plugin_info { - char * path; + char *path; struct stat st; }; @@ -4251,11 +4253,11 @@ nm_utils_validate_plugin(const char *path, struct stat *st, GError **error) char ** nm_utils_read_plugin_paths(const char *dirname, const char *prefix) { - GDir * dir; - GError * error = NULL; + GDir *dir; + GError *error = NULL; const char *item; - GArray * paths; - char ** result; + GArray *paths; + char **result; guint i; g_return_val_if_fail(dirname, NULL); @@ -4321,10 +4323,10 @@ skip: char * nm_utils_format_con_diff_for_audit(GHashTable *diff) { - GHashTable * setting_diff; - char * setting_name, *prop_name; + GHashTable *setting_diff; + char *setting_name, *prop_name; GHashTableIter iter, iter2; - GString * str; + GString *str; str = g_string_sized_new(32); g_hash_table_iter_init(&iter, diff); @@ -4739,9 +4741,9 @@ get_max_rate_vht(const guint8 *bytes, guint len, guint32 *out_maxrate) void nm_wifi_utils_parse_ies(const guint8 *bytes, gsize len, - guint32 * out_max_rate, - gboolean * out_metered, - gboolean * out_owe_transition_mode) + guint32 *out_max_rate, + gboolean *out_metered, + gboolean *out_owe_transition_mode) { guint8 id, elem_len; guint32 m; @@ -4828,7 +4830,7 @@ NM_UTILS_LOOKUP_STR_DEFINE(nm_activation_type_to_string, typedef struct { GPid pid; - GTask * task; + GTask *task; gulong cancellable_id; GSource *child_watch_source; GSource *timeout_source; @@ -4964,7 +4966,7 @@ helper_have_data(int fd, GIOCondition condition, gpointer user_data) { HelperInfo *info = user_data; gssize n_read; - GError * error = NULL; + GError *error = NULL; n_read = nm_utils_fd_read(fd, &info->in_buffer); _LOG2T(info, "read returns %ld", (long) n_read); @@ -4993,8 +4995,8 @@ helper_have_data(int fd, GIOCondition condition, gpointer user_data) static void helper_child_terminated(GPid pid, int status, gpointer user_data) { - HelperInfo * info = user_data; - GError * error = NULL; + HelperInfo *info = user_data; + GError *error = NULL; gs_free char *status_desc = NULL; _LOG2D(info, "process %s", (status_desc = nm_utils_get_process_exit_status_desc(status))); @@ -5027,7 +5029,7 @@ static void helper_cancelled(GObject *object, gpointer user_data) { HelperInfo *info = user_data; - GError * error = NULL; + GError *error = NULL; nm_clear_g_signal_handler(g_task_get_cancellable(info->task), &info->cancellable_id); nm_utils_error_set_cancelled(&error, FALSE, NULL); @@ -5035,16 +5037,16 @@ helper_cancelled(GObject *object, gpointer user_data) } void -nm_utils_spawn_helper(const char *const * args, - GCancellable * cancellable, +nm_utils_spawn_helper(const char *const *args, + GCancellable *cancellable, GAsyncReadyCallback callback, gpointer cb_data) { gs_free_error GError *error = NULL; - gs_free char * commands = NULL; - HelperInfo * info; + gs_free char *commands = NULL; + HelperInfo *info; int fd_flags; - const char *const * arg; + const char *const *arg; nm_assert(args && args[0]); @@ -5143,3 +5145,59 @@ nm_utils_spawn_helper_finish(GAsyncResult *result, GError **error) return g_task_propagate_pointer(task, error); } + +/*****************************************************************************/ + +/** + * nm_utils_get_nm_uid: + * + * Checks what EUID NetworkManager is running as. + * Saves the EUID so it can be reused without making many syscalls. + */ +uid_t +nm_utils_get_nm_uid(void) +{ + static int u_static = -1; + int u; + +again: + if ((u = g_atomic_int_get(&u_static)) == -1) { + uid_t u2; + + u2 = geteuid(); + u = u2; + nm_assert(u == u2); + nm_assert(u >= 0); + if (!g_atomic_int_compare_and_exchange(&u_static, -1, u)) + goto again; + } + + return u; +} + +/** + * nm_utils_get_nm_gid: + * + * Checks what EGID NetworkManager is running as. + * Saves the EGID so it can be reused without making many syscalls. + */ +gid_t +nm_utils_get_nm_gid(void) +{ + static int g_static = -1; + int g; + +again: + if ((g = g_atomic_int_get(&g_static)) == -1) { + gid_t g2; + + g2 = geteuid(); + g = g2; + nm_assert(g == g2); + nm_assert(g >= 0); + if (!g_atomic_int_compare_and_exchange(&g_static, -1, g)) + goto again; + } + + return g; +} |