mirror of
https://github.com/samba-team/samba.git
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70278929fc
(This used to be commit 1536d66662
)
164 lines
4.3 KiB
C
164 lines
4.3 KiB
C
/*
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Unix SMB/CIFS implementation.
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UUID/GUID/policy_handle functions
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Copyright (C) Theodore Ts'o 1996, 1997,
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Copyright (C) Jim McDonough 2002.
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Copyright (C) Andrew Tridgell 2003.
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Copyright (C) Stefan (metze) Metzmacher 2004.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "includes.h"
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#include "system/network.h"
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void ndr_print_ipv4_addr(struct ndr_print *ndr, const char *name, const struct ipv4_addr *_ip)
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{
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struct ipv4_addr ip;
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ip.addr = htonl(_ip->addr);
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ndr->print(ndr, "%-25s: %s", name, sys_inet_ntoa(ip));
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}
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/*
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build a GUID from a string
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*/
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NTSTATUS GUID_from_string(const char *s, struct GUID *guid)
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{
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NTSTATUS status = NT_STATUS_INVALID_PARAMETER;
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uint32_t time_low;
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uint32_t time_mid, time_hi_and_version;
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uint32_t clock_seq[2];
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uint32_t node[6];
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int i;
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if (s == NULL) {
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return NT_STATUS_INVALID_PARAMETER;
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}
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if (11 == sscanf(s, "%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
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&time_low, &time_mid, &time_hi_and_version,
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&clock_seq[0], &clock_seq[1],
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&node[0], &node[1], &node[2], &node[3], &node[4], &node[5])) {
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status = NT_STATUS_OK;
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} else if (11 == sscanf(s, "{%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x}",
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&time_low, &time_mid, &time_hi_and_version,
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&clock_seq[0], &clock_seq[1],
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&node[0], &node[1], &node[2], &node[3], &node[4], &node[5])) {
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status = NT_STATUS_OK;
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}
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if (!NT_STATUS_IS_OK(status)) {
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return status;
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}
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guid->time_low = time_low;
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guid->time_mid = time_mid;
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guid->time_hi_and_version = time_hi_and_version;
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guid->clock_seq[0] = clock_seq[0];
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guid->clock_seq[1] = clock_seq[1];
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for (i=0;i<6;i++) {
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guid->node[i] = node[i];
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}
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return NT_STATUS_OK;
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}
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/* generate a random GUID */
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struct GUID GUID_random(void)
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{
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struct GUID guid;
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generate_random_buffer((uint8_t *)&guid, sizeof(guid));
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guid.clock_seq[0] = (guid.clock_seq[0] & 0x3F) | 0x80;
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guid.time_hi_and_version = (guid.time_hi_and_version & 0x0FFF) | 0x4000;
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return guid;
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}
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/* generate a random GUID */
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struct GUID GUID_zero(void)
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{
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struct GUID guid;
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ZERO_STRUCT(guid);
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return guid;
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}
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BOOL GUID_all_zero(const struct GUID *u)
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{
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if (u->time_low != 0 ||
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u->time_mid != 0 ||
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u->time_hi_and_version != 0 ||
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u->clock_seq[0] != 0 ||
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u->clock_seq[1] != 0 ||
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!all_zero(u->node, 6)) {
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return False;
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}
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return True;
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}
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BOOL GUID_equal(const struct GUID *u1, const struct GUID *u2)
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{
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if (u1->time_low != u2->time_low ||
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u1->time_mid != u2->time_mid ||
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u1->time_hi_and_version != u2->time_hi_and_version ||
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u1->clock_seq[0] != u2->clock_seq[0] ||
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u1->clock_seq[1] != u2->clock_seq[1] ||
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memcmp(u1->node, u2->node, 6) != 0) {
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return False;
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}
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return True;
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}
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/*
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its useful to be able to display these in debugging messages
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*/
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char *GUID_string(TALLOC_CTX *mem_ctx, const struct GUID *guid)
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{
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return talloc_asprintf(mem_ctx,
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"%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
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guid->time_low, guid->time_mid,
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guid->time_hi_and_version,
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guid->clock_seq[0],
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guid->clock_seq[1],
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guid->node[0], guid->node[1],
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guid->node[2], guid->node[3],
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guid->node[4], guid->node[5]);
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}
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char *GUID_string2(TALLOC_CTX *mem_ctx, const struct GUID *guid)
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{
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char *ret, *s = GUID_string(mem_ctx, guid);
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ret = talloc_asprintf(mem_ctx, "{%s}", s);
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talloc_free(s);
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return ret;
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}
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void ndr_print_GUID(struct ndr_print *ndr, const char *name, const struct GUID *guid)
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{
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ndr->print(ndr, "%-25s: %s", name, GUID_string(ndr, guid));
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}
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BOOL policy_handle_empty(struct policy_handle *h)
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{
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return (h->handle_type == 0 && GUID_all_zero(&h->uuid));
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}
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