diff options
| author | Michael Biebl <biebl@debian.org> | 2021-10-01 23:05:04 +0200 |
|---|---|---|
| committer | Michael Biebl <biebl@debian.org> | 2021-10-01 23:05:04 +0200 |
| commit | e74c568b07b50b97873fb4ee1d776dedefbd54d6 (patch) | |
| tree | 3469f17ea9af91f7ff169b890633bda68b0cf76e /shared/systemd/src/basic/ether-addr-util.c | |
| parent | bfe522304da217296e2a61040f58e35ec5d6f3f2 (diff) | |
New upstream version 1.32.12 upstream/1.32.12
Diffstat (limited to 'shared/systemd/src/basic/ether-addr-util.c')
| -rw-r--r-- | shared/systemd/src/basic/ether-addr-util.c | 128 |
1 files changed, 0 insertions, 128 deletions
diff --git a/shared/systemd/src/basic/ether-addr-util.c b/shared/systemd/src/basic/ether-addr-util.c deleted file mode 100644 index ae83eade..00000000 --- a/shared/systemd/src/basic/ether-addr-util.c +++ /dev/null @@ -1,128 +0,0 @@ -/* SPDX-License-Identifier: LGPL-2.1-or-later */ - -#include "nm-sd-adapt-shared.h" - -#include <errno.h> -#include <inttypes.h> -#include <net/ethernet.h> -#include <stdio.h> -#include <sys/types.h> - -#include "ether-addr-util.h" -#include "macro.h" -#include "string-util.h" - -char* hw_addr_to_string(const hw_addr_data *addr, char buffer[HW_ADDR_TO_STRING_MAX]) { - assert(addr); - assert(buffer); - assert(addr->length <= HW_ADDR_MAX_SIZE); - - for (size_t i = 0; i < addr->length; i++) { - sprintf(&buffer[3*i], "%02"PRIx8, addr->addr.bytes[i]); - if (i < addr->length - 1) - buffer[3*i + 2] = ':'; - } - - return buffer; -} - -char* ether_addr_to_string(const struct ether_addr *addr, char buffer[ETHER_ADDR_TO_STRING_MAX]) { - assert(addr); - assert(buffer); - - /* Like ether_ntoa() but uses %02x instead of %x to print - * ethernet addresses, which makes them look less funny. Also, - * doesn't use a static buffer. */ - - sprintf(buffer, "%02x:%02x:%02x:%02x:%02x:%02x", - addr->ether_addr_octet[0], - addr->ether_addr_octet[1], - addr->ether_addr_octet[2], - addr->ether_addr_octet[3], - addr->ether_addr_octet[4], - addr->ether_addr_octet[5]); - - return buffer; -} - -int ether_addr_compare(const struct ether_addr *a, const struct ether_addr *b) { - return memcmp(a, b, ETH_ALEN); -} - -static void ether_addr_hash_func(const struct ether_addr *p, struct siphash *state) { - siphash24_compress(p, sizeof(struct ether_addr), state); -} - -DEFINE_HASH_OPS(ether_addr_hash_ops, struct ether_addr, ether_addr_hash_func, ether_addr_compare); - -int ether_addr_from_string(const char *s, struct ether_addr *ret) { - size_t pos = 0, n, field; - char sep = '\0'; - const char *hex = HEXDIGITS, *hexoff; - size_t x; - bool touched; - -#define parse_fields(v) \ - for (field = 0; field < ELEMENTSOF(v); field++) { \ - touched = false; \ - for (n = 0; n < (2 * sizeof(v[0])); n++) { \ - if (s[pos] == '\0') \ - break; \ - hexoff = strchr(hex, s[pos]); \ - if (!hexoff) \ - break; \ - assert(hexoff >= hex); \ - x = hexoff - hex; \ - if (x >= 16) \ - x -= 6; /* A-F */ \ - assert(x < 16); \ - touched = true; \ - v[field] <<= 4; \ - v[field] += x; \ - pos++; \ - } \ - if (!touched) \ - return -EINVAL; \ - if (field < (ELEMENTSOF(v)-1)) { \ - if (s[pos] != sep) \ - return -EINVAL; \ - else \ - pos++; \ - } \ - } - - assert(s); - assert(ret); - - s += strspn(s, WHITESPACE); - sep = s[strspn(s, hex)]; - - if (sep == '.') { - uint16_t shorts[3] = { 0 }; - - parse_fields(shorts); - - if (s[pos] != '\0') - return -EINVAL; - - for (n = 0; n < ELEMENTSOF(shorts); n++) { - ret->ether_addr_octet[2*n] = ((shorts[n] & (uint16_t)0xff00) >> 8); - ret->ether_addr_octet[2*n + 1] = (shorts[n] & (uint16_t)0x00ff); - } - - } else if (IN_SET(sep, ':', '-')) { - struct ether_addr out = ETHER_ADDR_NULL; - - parse_fields(out.ether_addr_octet); - - if (s[pos] != '\0') - return -EINVAL; - - for (n = 0; n < ELEMENTSOF(out.ether_addr_octet); n++) - ret->ether_addr_octet[n] = out.ether_addr_octet[n]; - - } else - return -EINVAL; - - return 0; -} |