| 1 | /*
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| 2 | Unix SMB/CIFS implementation.
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| 3 |
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| 4 | libndr interface
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| 5 |
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| 6 | Copyright (C) Andrew Tridgell 2003
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| 7 |
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| 8 | This program is free software; you can redistribute it and/or modify
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| 9 | it under the terms of the GNU General Public License as published by
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| 10 | the Free Software Foundation; either version 3 of the License, or
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| 11 | (at your option) any later version.
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| 12 |
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| 13 | This program is distributed in the hope that it will be useful,
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| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 16 | GNU General Public License for more details.
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| 17 |
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| 18 | You should have received a copy of the GNU General Public License
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| 19 | along with this program. If not, see <http://www.gnu.org/licenses/>.
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| 20 | */
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| 21 |
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| 22 | #include "includes.h"
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| 23 |
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| 24 | /*
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| 25 | convert a dom_sid to a string
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| 26 | */
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| 27 | char *dom_sid_string(TALLOC_CTX *mem_ctx, const struct dom_sid *sid)
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| 28 | {
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| 29 | int i, ofs, maxlen;
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| 30 | uint32_t ia;
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| 31 | char *ret;
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| 32 |
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| 33 | if (!sid) {
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| 34 | return talloc_strdup(mem_ctx, "(NULL SID)");
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| 35 | }
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| 36 |
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| 37 | maxlen = sid->num_auths * 11 + 25;
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| 38 | ret = (char *)talloc_size(mem_ctx, maxlen);
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| 39 | if (!ret) return talloc_strdup(mem_ctx, "(SID ERR)");
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| 40 |
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| 41 | /*
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| 42 | * BIG NOTE: this function only does SIDS where the identauth is not
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| 43 | * >= ^32 in a range of 2^48.
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| 44 | */
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| 45 |
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| 46 | ia = (sid->id_auth[5]) +
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| 47 | (sid->id_auth[4] << 8 ) +
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| 48 | (sid->id_auth[3] << 16) +
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| 49 | (sid->id_auth[2] << 24);
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| 50 |
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| 51 | ofs = snprintf(ret, maxlen, "S-%u-%lu",
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| 52 | (unsigned int)sid->sid_rev_num, (unsigned long)ia);
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| 53 |
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| 54 | for (i = 0; i < sid->num_auths; i++) {
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| 55 | ofs += snprintf(ret + ofs, maxlen - ofs, "-%lu", (unsigned long)sid->sub_auths[i]);
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| 56 | }
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| 57 |
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| 58 | return ret;
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| 59 | }
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