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https://gitlab.freedesktop.org/NetworkManager/NetworkManager.git
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7a3774f62d
Log messages when invalid DHCP options are found. For example: <info> dhcp4 (eth0): error parsing DHCP option 6 (domain_name_servers): address 0.0.0.0 is ignored <info> dhcp4 (eth0): error parsing DHCP option 12 (host_name): '.example.com' is not a valid DNS domain <info> dhcp4 (eth0): error parsing DHCP option 26 (interface_mtu): value 60 is smaller than 68 https://gitlab.freedesktop.org/NetworkManager/NetworkManager/-/merge_requests/1225
106 lines
5.1 KiB
C
106 lines
5.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Copyright (C) 2014 Red Hat, Inc.
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*/
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#ifndef __NETWORKMANAGER_DHCP_UTILS_H__
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#define __NETWORKMANAGER_DHCP_UTILS_H__
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#include <stdlib.h>
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#include "nm-l3-config-data.h"
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NML3ConfigData *nm_dhcp_utils_ip4_config_from_options(struct _NMDedupMultiIndex *multi_idx,
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int ifindex,
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const char *iface,
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GHashTable *options);
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NML3ConfigData *nm_dhcp_utils_ip6_config_from_options(struct _NMDedupMultiIndex *multi_idx,
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int ifindex,
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const char *iface,
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GHashTable *options,
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gboolean info_only);
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NMPlatformIP6Address nm_dhcp_utils_ip6_prefix_from_options(GHashTable *options);
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char *nm_dhcp_utils_duid_to_string(GBytes *duid);
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GBytes *nm_dhcp_utils_client_id_string_to_bytes(const char *client_id);
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gboolean nm_dhcp_utils_get_leasefile_path(int addr_family,
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const char *plugin_name,
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const char *iface,
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const char *uuid,
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char **out_leasefile_path);
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char *nm_dhcp_utils_get_dhcp6_event_id(GHashTable *lease);
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gboolean nm_dhcp_utils_merge_new_dhcp6_lease(const NML3ConfigData *l3cd_old,
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const NML3ConfigData *l3cd_new,
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const NML3ConfigData **out_l3cd_merged);
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/*****************************************************************************/
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static inline gboolean
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nm_dhcp_lease_data_consume(const uint8_t **datap, size_t *n_datap, void *out, size_t n_out)
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{
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if (*n_datap < n_out)
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return FALSE;
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memcpy(out, *datap, n_out);
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*datap += n_out;
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*n_datap -= n_out;
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return TRUE;
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}
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static inline gboolean
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nm_dhcp_lease_data_consume_in_addr(const uint8_t **datap, size_t *n_datap, in_addr_t *addrp)
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{
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return nm_dhcp_lease_data_consume(datap, n_datap, addrp, sizeof(struct in_addr));
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}
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void nm_dhcp_lease_log_invalid_option(const char *iface,
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int addr_family,
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guint option,
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const char *fmt,
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...) G_GNUC_PRINTF(4, 5);
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char *nm_dhcp_lease_data_parse_domain_validate(const char *str,
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const char *iface,
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int addr_family,
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guint option);
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gboolean nm_dhcp_lease_data_parse_u16(const guint8 *data,
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gsize n_data,
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guint16 *out_val,
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const char *iface,
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int addr_family,
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guint option);
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gboolean nm_dhcp_lease_data_parse_mtu(const guint8 *data,
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gsize n_data,
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guint16 *out_val,
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const char *iface,
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int addr_family,
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guint option);
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gboolean nm_dhcp_lease_data_parse_cstr(const guint8 *data,
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gsize n_data,
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gsize *out_new_len,
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const char *iface,
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int addr_family,
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guint option);
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gboolean nm_dhcp_lease_data_parse_domain(const guint8 *data,
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gsize n_data,
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char **out_val,
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const char *iface,
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int addr_family,
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guint option);
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gboolean nm_dhcp_lease_data_parse_in_addr(const guint8 *data,
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gsize n_data,
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in_addr_t *out_val,
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const char *iface,
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guint option);
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char **nm_dhcp_lease_data_parse_search_list(const guint8 *data,
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gsize n_data,
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const char *iface,
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int addr_family,
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guint option);
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#endif /* __NETWORKMANAGER_DHCP_UTILS_H__ */
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