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Diffstat (limited to 'src/libnm-systemd-core/src/libsystemd-network/dhcp-identifier.c')
-rw-r--r--src/libnm-systemd-core/src/libsystemd-network/dhcp-identifier.c252
1 files changed, 0 insertions, 252 deletions
diff --git a/src/libnm-systemd-core/src/libsystemd-network/dhcp-identifier.c b/src/libnm-systemd-core/src/libsystemd-network/dhcp-identifier.c
deleted file mode 100644
index 05d0585a9e..0000000000
--- a/src/libnm-systemd-core/src/libsystemd-network/dhcp-identifier.c
+++ /dev/null
@@ -1,252 +0,0 @@
-/* SPDX-License-Identifier: LGPL-2.1-or-later */
-
-#include "nm-sd-adapt-core.h"
-
-#include <linux/if_infiniband.h>
-#include <net/ethernet.h>
-#include <net/if_arp.h>
-
-#include "dhcp-identifier.h"
-#include "netif-util.h"
-#include "siphash24.h"
-#include "sparse-endian.h"
-#include "string-table.h"
-
-#define HASH_KEY SD_ID128_MAKE(80,11,8c,c2,fe,4a,03,ee,3e,d6,0c,6f,36,39,14,09)
-#define APPLICATION_ID SD_ID128_MAKE(a5,0a,d1,12,bf,60,45,77,a2,fb,74,1a,b1,95,5b,03)
-#define USEC_2000 ((usec_t) 946684800000000) /* 2000-01-01 00:00:00 UTC */
-
-static const char * const duid_type_table[_DUID_TYPE_MAX] = {
- [DUID_TYPE_LLT] = "DUID-LLT",
- [DUID_TYPE_EN] = "DUID-EN/Vendor",
- [DUID_TYPE_LL] = "DUID-LL",
- [DUID_TYPE_UUID] = "UUID",
-};
-
-DEFINE_STRING_TABLE_LOOKUP_TO_STRING(duid_type, DUIDType);
-
-int dhcp_validate_duid_len(DUIDType duid_type, size_t duid_len, bool strict) {
- struct duid d;
-
- assert_cc(sizeof(d.raw) >= MAX_DUID_LEN);
- if (duid_len > MAX_DUID_LEN)
- return -EINVAL;
-
- if (!strict)
- /* Strict validation is not requested. We only ensure that the
- * DUID is not too long. */
- return 0;
-
- switch (duid_type) {
- case DUID_TYPE_LLT:
- if (duid_len <= sizeof(d.llt))
- return -EINVAL;
- break;
- case DUID_TYPE_EN:
- if (duid_len != sizeof(d.en))
- return -EINVAL;
- break;
- case DUID_TYPE_LL:
- if (duid_len <= sizeof(d.ll))
- return -EINVAL;
- break;
- case DUID_TYPE_UUID:
- if (duid_len != sizeof(d.uuid))
- return -EINVAL;
- break;
- default:
- /* accept unknown type in order to be forward compatible */
- break;
- }
- return 0;
-}
-
-#if 0 /* NM_IGNORED */
-static int dhcp_identifier_set_duid_llt(
- const struct hw_addr_data *hw_addr,
- uint16_t arp_type,
- usec_t t,
- struct duid *ret_duid,
- size_t *ret_len) {
-
- uint16_t time_from_2000y;
-
- assert(hw_addr);
- assert(ret_duid);
- assert(ret_len);
-
- if (hw_addr->length == 0)
- return -EOPNOTSUPP;
-
- if (arp_type == ARPHRD_ETHER)
- assert_return(hw_addr->length == ETH_ALEN, -EINVAL);
- else if (arp_type == ARPHRD_INFINIBAND)
- assert_return(hw_addr->length == INFINIBAND_ALEN, -EINVAL);
- else
- return -EOPNOTSUPP;
-
- if (t < USEC_2000)
- time_from_2000y = 0;
- else
- time_from_2000y = (uint16_t) (((t - USEC_2000) / USEC_PER_SEC) & 0xffffffff);
-
- unaligned_write_be16(&ret_duid->type, DUID_TYPE_LLT);
- unaligned_write_be16(&ret_duid->llt.htype, arp_type);
- unaligned_write_be32(&ret_duid->llt.time, time_from_2000y);
- memcpy(ret_duid->llt.haddr, hw_addr->bytes, hw_addr->length);
-
- *ret_len = offsetof(struct duid, llt.haddr) + hw_addr->length;
-
- return 0;
-}
-
-static int dhcp_identifier_set_duid_ll(
- const struct hw_addr_data *hw_addr,
- uint16_t arp_type,
- struct duid *ret_duid,
- size_t *ret_len) {
-
- assert(hw_addr);
- assert(ret_duid);
- assert(ret_len);
-
- if (hw_addr->length == 0)
- return -EOPNOTSUPP;
-
- if (arp_type == ARPHRD_ETHER)
- assert_return(hw_addr->length == ETH_ALEN, -EINVAL);
- else if (arp_type == ARPHRD_INFINIBAND)
- assert_return(hw_addr->length == INFINIBAND_ALEN, -EINVAL);
- else
- return -EOPNOTSUPP;
-
- unaligned_write_be16(&ret_duid->type, DUID_TYPE_LL);
- unaligned_write_be16(&ret_duid->ll.htype, arp_type);
- memcpy(ret_duid->ll.haddr, hw_addr->bytes, hw_addr->length);
-
- *ret_len = offsetof(struct duid, ll.haddr) + hw_addr->length;
-
- return 0;
-}
-#endif /* NM_IGNORED */
-
-int dhcp_identifier_set_duid_en(bool test_mode, struct duid *ret_duid, size_t *ret_len) {
- sd_id128_t machine_id;
- uint64_t hash;
- int r;
-
- assert(ret_duid);
- assert(ret_len);
-
- if (!test_mode) {
- r = sd_id128_get_machine(&machine_id);
- if (r < 0)
- return r;
- } else
- /* For tests, especially for fuzzers, reproducibility is important.
- * Hence, use a static and constant machine ID.
- * See 9216fddc5a8ac2742e6cfa7660f95c20ca4f2193. */
- machine_id = SD_ID128_MAKE(01, 02, 03, 04, 05, 06, 07, 08, 09, 0a, 0b, 0c, 0d, 0e, 0f, 10);
-
- unaligned_write_be16(&ret_duid->type, DUID_TYPE_EN);
- unaligned_write_be32(&ret_duid->en.pen, SYSTEMD_PEN);
-
- /* a bit of snake-oil perhaps, but no need to expose the machine-id
- * directly; duid->en.id might not be aligned, so we need to copy */
- hash = htole64(siphash24(&machine_id, sizeof(machine_id), HASH_KEY.bytes));
- memcpy(ret_duid->en.id, &hash, sizeof(ret_duid->en.id));
-
- *ret_len = offsetof(struct duid, en.id) + sizeof(ret_duid->en.id);
-
- if (test_mode)
- assert_se(memcmp(ret_duid, (const uint8_t[]) { 0x00, 0x02, 0x00, 0x00, 0xab, 0x11, 0x61, 0x77, 0x40, 0xde, 0x13, 0x42, 0xc3, 0xa2 }, *ret_len) == 0);
-
- return 0;
-}
-
-#if 0 /* NM_IGNORED */
-static int dhcp_identifier_set_duid_uuid(struct duid *ret_duid, size_t *ret_len) {
- sd_id128_t machine_id;
- int r;
-
- assert(ret_duid);
- assert(ret_len);
-
- r = sd_id128_get_machine_app_specific(APPLICATION_ID, &machine_id);
- if (r < 0)
- return r;
-
- unaligned_write_be16(&ret_duid->type, DUID_TYPE_UUID);
- memcpy(&ret_duid->uuid.uuid, &machine_id, sizeof(machine_id));
-
- *ret_len = offsetof(struct duid, uuid.uuid) + sizeof(machine_id);
-
- return 0;
-}
-
-int dhcp_identifier_set_duid(
- DUIDType duid_type,
- const struct hw_addr_data *hw_addr,
- uint16_t arp_type,
- usec_t llt_time,
- bool test_mode,
- struct duid *ret_duid,
- size_t *ret_len) {
-
- switch (duid_type) {
- case DUID_TYPE_LLT:
- return dhcp_identifier_set_duid_llt(hw_addr, arp_type, llt_time, ret_duid, ret_len);
- case DUID_TYPE_EN:
- return dhcp_identifier_set_duid_en(test_mode, ret_duid, ret_len);
- case DUID_TYPE_LL:
- return dhcp_identifier_set_duid_ll(hw_addr, arp_type, ret_duid, ret_len);
- case DUID_TYPE_UUID:
- return dhcp_identifier_set_duid_uuid(ret_duid, ret_len);
- default:
- return -EINVAL;
- }
-}
-#endif /* NM_IGNORED */
-
-int dhcp_identifier_set_iaid(
- sd_device *dev,
- const struct hw_addr_data *hw_addr,
- bool legacy_unstable_byteorder,
- void *ret) {
-#if 0 /* NM_IGNORED */
-
- const char *name = NULL;
- uint32_t id32;
- uint64_t id;
-
- assert(hw_addr);
- assert(ret);
-
- if (dev)
- name = net_get_persistent_name(dev);
- if (name)
- id = siphash24(name, strlen(name), HASH_KEY.bytes);
- else
- /* fall back to MAC address if no predictable name available */
- id = siphash24(hw_addr->bytes, hw_addr->length, HASH_KEY.bytes);
-
- id32 = (id & 0xffffffff) ^ (id >> 32);
-
- if (legacy_unstable_byteorder)
- /* for historical reasons (a bug), the bits were swapped and thus
- * the result was endianness dependent. Preserve that behavior. */
- id32 = bswap_32(id32);
- else
- /* the fixed behavior returns a stable byte order. Since LE is expected
- * to be more common, swap the bytes on LE to give the same as legacy
- * behavior. */
- id32 = be32toh(id32);
-
- unaligned_write_ne32(ret, id32);
- return 0;
-#else /* NM_IGNORED */
- /* for NetworkManager, we don't use this function and we should never call here.
- * This got replaced by nm_utils_create_dhcp_iaid(). */
- g_return_val_if_reached (-EINVAL);
-#endif /* NM_IGNORED */
-}
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