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authorThomas Haller <thaller@redhat.com>2016-05-31 11:00:05 +0200
committerThomas Haller <thaller@redhat.com>2016-05-31 11:10:30 +0200
commit3fd08cdce5a5d641c21b8e6a9125efd36777b925 (patch)
treeb092b9022524e866448dca625b94fb541c2c5335 /src/systemd/src/basic/ether-addr-util.c
parentb4564eaa66b9c65a3196f9f57d9a39c5dc8fd3d1 (diff)
systemd: update code from upstream
This is a direct dump from systemd git on 2016-05-31, git commit b76e4ebe1065ba56ab02b2356bf7680f54846aca. ====== SYSTEMD_DIR=../systemd COMMIT=b76e4ebe1065ba56ab02b2356bf7680f54846aca ( cd "$SYSTEMD_DIR" git checkout "$COMMIT" git reset --hard git clean -fdx ) git ls-files :/src/systemd/src/ | xargs -d '\n' rm -f nm_copy_sd() { mkdir -p "./src/systemd/$(dirname "$1")" cp "$SYSTEMD_DIR/$1" "./src/systemd/$1" } nm_copy_sd "src/basic/alloc-util.c" nm_copy_sd "src/basic/alloc-util.h" nm_copy_sd "src/basic/async.h" nm_copy_sd "src/basic/escape.c" nm_copy_sd "src/basic/escape.h" nm_copy_sd "src/basic/ether-addr-util.c" nm_copy_sd "src/basic/ether-addr-util.h" nm_copy_sd "src/basic/extract-word.c" nm_copy_sd "src/basic/extract-word.h" nm_copy_sd "src/basic/fileio.c" nm_copy_sd "src/basic/fileio.h" nm_copy_sd "src/basic/fd-util.c" nm_copy_sd "src/basic/fd-util.h" nm_copy_sd "src/basic/fs-util.c" nm_copy_sd "src/basic/fs-util.h" nm_copy_sd "src/basic/hash-funcs.c" nm_copy_sd "src/basic/hash-funcs.h" nm_copy_sd "src/basic/hashmap.c" nm_copy_sd "src/basic/hashmap.h" nm_copy_sd "src/basic/hexdecoct.c" nm_copy_sd "src/basic/hexdecoct.h" nm_copy_sd "src/basic/hostname-util.c" nm_copy_sd "src/basic/hostname-util.h" nm_copy_sd "src/basic/in-addr-util.c" nm_copy_sd "src/basic/in-addr-util.h" nm_copy_sd "src/basic/io-util.c" nm_copy_sd "src/basic/io-util.h" nm_copy_sd "src/basic/list.h" nm_copy_sd "src/basic/log.h" nm_copy_sd "src/basic/macro.h" nm_copy_sd "src/basic/mempool.h" nm_copy_sd "src/basic/mempool.c" nm_copy_sd "src/basic/parse-util.c" nm_copy_sd "src/basic/parse-util.h" nm_copy_sd "src/basic/path-util.c" nm_copy_sd "src/basic/path-util.h" nm_copy_sd "src/basic/prioq.h" nm_copy_sd "src/basic/prioq.c" nm_copy_sd "src/basic/random-util.c" nm_copy_sd "src/basic/random-util.h" nm_copy_sd "src/basic/refcnt.h" nm_copy_sd "src/basic/set.h" nm_copy_sd "src/basic/signal-util.h" nm_copy_sd "src/basic/siphash24.c" nm_copy_sd "src/basic/siphash24.h" nm_copy_sd "src/basic/socket-util.c" nm_copy_sd "src/basic/socket-util.h" nm_copy_sd "src/basic/sparse-endian.h" nm_copy_sd "src/basic/stdio-util.h" nm_copy_sd "src/basic/string-table.c" nm_copy_sd "src/basic/string-table.h" nm_copy_sd "src/basic/string-util.c" nm_copy_sd "src/basic/string-util.h" nm_copy_sd "src/basic/strv.c" nm_copy_sd "src/basic/strv.h" nm_copy_sd "src/basic/time-util.c" nm_copy_sd "src/basic/time-util.h" nm_copy_sd "src/basic/umask-util.h" nm_copy_sd "src/basic/unaligned.h" nm_copy_sd "src/basic/utf8.c" nm_copy_sd "src/basic/utf8.h" nm_copy_sd "src/basic/util.c" nm_copy_sd "src/basic/util.h" nm_copy_sd "src/libsystemd-network/arp-util.c" nm_copy_sd "src/libsystemd-network/arp-util.h" nm_copy_sd "src/libsystemd-network/dhcp6-internal.h" nm_copy_sd "src/libsystemd-network/dhcp6-lease-internal.h" nm_copy_sd "src/libsystemd-network/dhcp6-network.c" nm_copy_sd "src/libsystemd-network/dhcp6-option.c" nm_copy_sd "src/libsystemd-network/dhcp6-protocol.h" nm_copy_sd "src/libsystemd-network/dhcp-identifier.c" nm_copy_sd "src/libsystemd-network/dhcp-identifier.h" nm_copy_sd "src/libsystemd-network/dhcp-internal.h" nm_copy_sd "src/libsystemd-network/dhcp-lease-internal.h" nm_copy_sd "src/libsystemd-network/dhcp-network.c" nm_copy_sd "src/libsystemd-network/dhcp-option.c" nm_copy_sd "src/libsystemd-network/dhcp-packet.c" nm_copy_sd "src/libsystemd-network/dhcp-protocol.h" nm_copy_sd "src/libsystemd-network/lldp-internal.h" nm_copy_sd "src/libsystemd-network/lldp-neighbor.c" nm_copy_sd "src/libsystemd-network/lldp-neighbor.h" nm_copy_sd "src/libsystemd-network/lldp-network.c" nm_copy_sd "src/libsystemd-network/lldp-network.h" nm_copy_sd "src/libsystemd-network/network-internal.c" nm_copy_sd "src/libsystemd-network/network-internal.h" nm_copy_sd "src/libsystemd-network/sd-dhcp6-client.c" nm_copy_sd "src/libsystemd-network/sd-dhcp6-lease.c" nm_copy_sd "src/libsystemd-network/sd-dhcp-client.c" nm_copy_sd "src/libsystemd-network/sd-dhcp-lease.c" nm_copy_sd "src/libsystemd-network/sd-ipv4ll.c" nm_copy_sd "src/libsystemd-network/sd-ipv4acd.c" nm_copy_sd "src/libsystemd-network/sd-lldp.c" nm_copy_sd "src/libsystemd/sd-event/sd-event.c" nm_copy_sd "src/libsystemd/sd-id128/sd-id128.c" nm_copy_sd "src/shared/dns-domain.c" nm_copy_sd "src/shared/dns-domain.h" nm_copy_sd "src/systemd/_sd-common.h" nm_copy_sd "src/systemd/sd-dhcp6-client.h" nm_copy_sd "src/systemd/sd-dhcp6-lease.h" nm_copy_sd "src/systemd/sd-dhcp-client.h" nm_copy_sd "src/systemd/sd-dhcp-lease.h" nm_copy_sd "src/systemd/sd-event.h" nm_copy_sd "src/systemd/sd-ndisc.h" nm_copy_sd "src/systemd/sd-id128.h" nm_copy_sd "src/systemd/sd-ipv4acd.h" nm_copy_sd "src/systemd/sd-ipv4ll.h" nm_copy_sd "src/systemd/sd-lldp.h"
Diffstat (limited to 'src/systemd/src/basic/ether-addr-util.c')
-rw-r--r--src/systemd/src/basic/ether-addr-util.c69
1 files changed, 69 insertions, 0 deletions
diff --git a/src/systemd/src/basic/ether-addr-util.c b/src/systemd/src/basic/ether-addr-util.c
index a4d8d656da..5697e8d132 100644
--- a/src/systemd/src/basic/ether-addr-util.c
+++ b/src/systemd/src/basic/ether-addr-util.c
@@ -23,6 +23,7 @@
#include "ether-addr-util.h"
#include "macro.h"
+#include "string-util.h"
char* ether_addr_to_string(const struct ether_addr *addr, char buffer[ETHER_ADDR_TO_STRING_MAX]) {
assert(addr);
@@ -54,3 +55,71 @@ bool ether_addr_equal(const struct ether_addr *a, const struct ether_addr *b) {
a->ether_addr_octet[4] == b->ether_addr_octet[4] &&
a->ether_addr_octet[5] == b->ether_addr_octet[5];
}
+
+int ether_addr_from_string(const char *s, struct ether_addr *ret, size_t *offset) {
+ 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 == NULL) \
+ 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);
+
+ sep = s[strspn(s, hex)];
+ if (sep == '\n')
+ return -EINVAL;
+ if (strchr(":.-", sep) == NULL)
+ return -EINVAL;
+
+ if (sep == '.') {
+ uint16_t shorts[3] = { 0 };
+
+ parse_fields(shorts);
+
+ 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 {
+ struct ether_addr out = { .ether_addr_octet = { 0 } };
+
+ parse_fields(out.ether_addr_octet);
+
+ for (n = 0; n < ELEMENTSOF(out.ether_addr_octet); n++)
+ ret->ether_addr_octet[n] = out.ether_addr_octet[n];
+ }
+
+ if (offset)
+ *offset = pos;
+ return 0;
+}