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Diffstat (limited to 'source3/lib/util_sid.c')
| -rw-r--r-- | source3/lib/util_sid.c | 751 |
1 files changed, 751 insertions, 0 deletions
diff --git a/source3/lib/util_sid.c b/source3/lib/util_sid.c new file mode 100644 index 0000000000..53614ed1ac --- /dev/null +++ b/source3/lib/util_sid.c @@ -0,0 +1,751 @@ +/* + Unix SMB/CIFS implementation. + Samba utility functions + Copyright (C) Andrew Tridgell 1992-1998 + Copyright (C) Luke Kenneth Caseson Leighton 1998-1999 + Copyright (C) Jeremy Allison 1999 + Copyright (C) Stefan (metze) Metzmacher 2002 + Copyright (C) Simo Sorce 2002 + Copyright (C) Jim McDonough <jmcd@us.ibm.com> 2005 + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +#include "includes.h" + +/* + * Some useful sids, more well known sids can be found at + * http://support.microsoft.com/kb/243330/EN-US/ + */ + + +const DOM_SID global_sid_World_Domain = /* Everyone domain */ +{ 1, 0, {0,0,0,0,0,1}, {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}}; +const DOM_SID global_sid_World = /* Everyone */ +{ 1, 1, {0,0,0,0,0,1}, {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}}; +const DOM_SID global_sid_Creator_Owner_Domain = /* Creator Owner domain */ +{ 1, 0, {0,0,0,0,0,3}, {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}}; +const DOM_SID global_sid_NT_Authority = /* NT Authority */ +{ 1, 0, {0,0,0,0,0,5}, {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}}; +const DOM_SID global_sid_System = /* System */ +{ 1, 1, {0,0,0,0,0,5}, {18,0,0,0,0,0,0,0,0,0,0,0,0,0,0}}; +const DOM_SID global_sid_NULL = /* NULL sid */ +{ 1, 1, {0,0,0,0,0,0}, {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}}; +const DOM_SID global_sid_Authenticated_Users = /* All authenticated rids */ +{ 1, 1, {0,0,0,0,0,5}, {11,0,0,0,0,0,0,0,0,0,0,0,0,0,0}}; +#if 0 +/* for documentation */ +const DOM_SID global_sid_Restriced = /* Restriced Code */ +{ 1, 1, {0,0,0,0,0,5}, {12,0,0,0,0,0,0,0,0,0,0,0,0,0,0}}; +#endif +const DOM_SID global_sid_Network = /* Network rids */ +{ 1, 1, {0,0,0,0,0,5}, {2,0,0,0,0,0,0,0,0,0,0,0,0,0,0}}; + +const DOM_SID global_sid_Creator_Owner = /* Creator Owner */ +{ 1, 1, {0,0,0,0,0,3}, {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}}; +const DOM_SID global_sid_Creator_Group = /* Creator Group */ +{ 1, 1, {0,0,0,0,0,3}, {1,0,0,0,0,0,0,0,0,0,0,0,0,0,0}}; +const DOM_SID global_sid_Anonymous = /* Anonymous login */ +{ 1, 1, {0,0,0,0,0,5}, {7,0,0,0,0,0,0,0,0,0,0,0,0,0,0}}; + +const DOM_SID global_sid_Builtin = /* Local well-known domain */ +{ 1, 1, {0,0,0,0,0,5}, {32,0,0,0,0,0,0,0,0,0,0,0,0,0,0}}; +const DOM_SID global_sid_Builtin_Administrators = /* Builtin administrators */ +{ 1, 2, {0,0,0,0,0,5}, {32,544,0,0,0,0,0,0,0,0,0,0,0,0,0}}; +const DOM_SID global_sid_Builtin_Users = /* Builtin users */ +{ 1, 2, {0,0,0,0,0,5}, {32,545,0,0,0,0,0,0,0,0,0,0,0,0,0}}; +const DOM_SID global_sid_Builtin_Guests = /* Builtin guest users */ +{ 1, 2, {0,0,0,0,0,5}, {32,546,0,0,0,0,0,0,0,0,0,0,0,0,0}}; +const DOM_SID global_sid_Builtin_Power_Users = /* Builtin power users */ +{ 1, 2, {0,0,0,0,0,5}, {32,547,0,0,0,0,0,0,0,0,0,0,0,0,0}}; +const DOM_SID global_sid_Builtin_Account_Operators = /* Builtin account operators */ +{ 1, 2, {0,0,0,0,0,5}, {32,548,0,0,0,0,0,0,0,0,0,0,0,0,0}}; +const DOM_SID global_sid_Builtin_Server_Operators = /* Builtin server operators */ +{ 1, 2, {0,0,0,0,0,5}, {32,549,0,0,0,0,0,0,0,0,0,0,0,0,0}}; +const DOM_SID global_sid_Builtin_Print_Operators = /* Builtin print operators */ +{ 1, 2, {0,0,0,0,0,5}, {32,550,0,0,0,0,0,0,0,0,0,0,0,0,0}}; +const DOM_SID global_sid_Builtin_Backup_Operators = /* Builtin backup operators */ +{ 1, 2, {0,0,0,0,0,5}, {32,551,0,0,0,0,0,0,0,0,0,0,0,0,0}}; +const DOM_SID global_sid_Builtin_Replicator = /* Builtin replicator */ +{ 1, 2, {0,0,0,0,0,5}, {32,552,0,0,0,0,0,0,0,0,0,0,0,0,0}}; +const DOM_SID global_sid_Builtin_PreWin2kAccess = /* Builtin pre win2k access */ +{ 1, 2, {0,0,0,0,0,5}, {32,554,0,0,0,0,0,0,0,0,0,0,0,0,0}}; + +const DOM_SID global_sid_Unix_Users = /* Unmapped Unix users */ +{ 1, 1, {0,0,0,0,0,22}, {1,0,0,0,0,0,0,0,0,0,0,0,0,0,0}}; +const DOM_SID global_sid_Unix_Groups = /* Unmapped Unix groups */ +{ 1, 1, {0,0,0,0,0,22}, {2,0,0,0,0,0,0,0,0,0,0,0,0,0,0}}; + +/* Unused, left here for documentary purposes */ +#if 0 +#define SECURITY_NULL_SID_AUTHORITY 0 +#define SECURITY_WORLD_SID_AUTHORITY 1 +#define SECURITY_LOCAL_SID_AUTHORITY 2 +#define SECURITY_CREATOR_SID_AUTHORITY 3 +#define SECURITY_NT_AUTHORITY 5 +#endif + +/* + * An NT compatible anonymous token. + */ + +static DOM_SID anon_sid_array[3] = +{ { 1, 1, {0,0,0,0,0,1}, {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}}, + { 1, 1, {0,0,0,0,0,5}, {2,0,0,0,0,0,0,0,0,0,0,0,0,0,0}}, + { 1, 1, {0,0,0,0,0,5}, {7,0,0,0,0,0,0,0,0,0,0,0,0,0,0}} }; +NT_USER_TOKEN anonymous_token = { 3, anon_sid_array, SE_NONE }; + +static DOM_SID system_sid_array[1] = +{ { 1, 1, {0,0,0,0,0,5}, {18,0,0,0,0,0,0,0,0,0,0,0,0,0,0}} }; +NT_USER_TOKEN system_token = { 1, system_sid_array, SE_ALL_PRIVS }; + +/**************************************************************************** + Lookup string names for SID types. +****************************************************************************/ + +static const struct { + enum lsa_SidType sid_type; + const char *string; +} sid_name_type[] = { + {SID_NAME_USER, "User"}, + {SID_NAME_DOM_GRP, "Domain Group"}, + {SID_NAME_DOMAIN, "Domain"}, + {SID_NAME_ALIAS, "Local Group"}, + {SID_NAME_WKN_GRP, "Well-known Group"}, + {SID_NAME_DELETED, "Deleted Account"}, + {SID_NAME_INVALID, "Invalid Account"}, + {SID_NAME_UNKNOWN, "UNKNOWN"}, + {SID_NAME_COMPUTER, "Computer"}, + + {(enum lsa_SidType)0, NULL} +}; + +const char *sid_type_lookup(uint32 sid_type) +{ + int i = 0; + + /* Look through list */ + while(sid_name_type[i].sid_type != 0) { + if (sid_name_type[i].sid_type == sid_type) + return sid_name_type[i].string; + i++; + } + + /* Default return */ + return "SID *TYPE* is INVALID"; +} + +/************************************************************************** + Create the SYSTEM token. +***************************************************************************/ + +NT_USER_TOKEN *get_system_token(void) +{ + return &system_token; +} + +/****************************************************************** + get the default domain/netbios name to be used when dealing + with our passdb list of accounts +******************************************************************/ + +const char *get_global_sam_name(void) +{ + if ((lp_server_role() == ROLE_DOMAIN_PDC) || (lp_server_role() == ROLE_DOMAIN_BDC)) { + return lp_workgroup(); + } + return global_myname(); +} + +/***************************************************************** + Convert a SID to an ascii string. +*****************************************************************/ + +char *sid_to_fstring(fstring sidstr_out, const DOM_SID *sid) +{ + char *str = sid_string_talloc(talloc_tos(), sid); + fstrcpy(sidstr_out, str); + TALLOC_FREE(str); + return sidstr_out; +} + +/***************************************************************** + Essentially a renamed dom_sid_string from librpc/ndr with a + panic if it didn't work + + This introduces a dependency on librpc/ndr/sid.o which can easily + be turned around if necessary +*****************************************************************/ + +char *sid_string_talloc(TALLOC_CTX *mem_ctx, const DOM_SID *sid) +{ + char *result = dom_sid_string(mem_ctx, sid); + SMB_ASSERT(result != NULL); + return result; +} + +/***************************************************************** + Useful function for debug lines. +*****************************************************************/ + +char *sid_string_dbg(const DOM_SID *sid) +{ + return sid_string_talloc(debug_ctx(), sid); +} + +/***************************************************************** + Use with care! +*****************************************************************/ + +char *sid_string_tos(const DOM_SID *sid) +{ + return sid_string_talloc(talloc_tos(), sid); +} + +/***************************************************************** + Convert a string to a SID. Returns True on success, False on fail. +*****************************************************************/ + +bool string_to_sid(DOM_SID *sidout, const char *sidstr) +{ + const char *p; + char *q; + /* BIG NOTE: this function only does SIDS where the identauth is not >= 2^32 */ + uint32 conv; + + if ((sidstr[0] != 'S' && sidstr[0] != 's') || sidstr[1] != '-') { + DEBUG(3,("string_to_sid: Sid %s does not start with 'S-'.\n", sidstr)); + return False; + } + + ZERO_STRUCTP(sidout); + + /* Get the revision number. */ + p = sidstr + 2; + conv = (uint32) strtoul(p, &q, 10); + if (!q || (*q != '-')) { + DEBUG(3,("string_to_sid: Sid %s is not in a valid format.\n", sidstr)); + return False; + } + sidout->sid_rev_num = (uint8) conv; + q++; + + /* get identauth */ + conv = (uint32) strtoul(q, &q, 10); + if (!q || (*q != '-')) { + DEBUG(0,("string_to_sid: Sid %s is not in a valid format.\n", sidstr)); + return False; + } + /* identauth in decimal should be < 2^32 */ + /* NOTE - the conv value is in big-endian format. */ + sidout->id_auth[0] = 0; + sidout->id_auth[1] = 0; + sidout->id_auth[2] = (conv & 0xff000000) >> 24; + sidout->id_auth[3] = (conv & 0x00ff0000) >> 16; + sidout->id_auth[4] = (conv & 0x0000ff00) >> 8; + sidout->id_auth[5] = (conv & 0x000000ff); + + q++; + sidout->num_auths = 0; + + for(conv = (uint32) strtoul(q, &q, 10); + q && (*q =='-' || *q =='\0') && (sidout->num_auths < MAXSUBAUTHS); + conv = (uint32) strtoul(q, &q, 10)) { + sid_append_rid(sidout, conv); + if (*q == '\0') + break; + q++; + } + + return True; +} + +DOM_SID *string_sid_talloc(TALLOC_CTX *mem_ctx, const char *sidstr) +{ + DOM_SID *result = TALLOC_P(mem_ctx, DOM_SID); + + if (result == NULL) + return NULL; + + if (!string_to_sid(result, sidstr)) + return NULL; + + return result; +} + +/***************************************************************** + Add a rid to the end of a sid +*****************************************************************/ + +bool sid_append_rid(DOM_SID *sid, uint32 rid) +{ + if (sid->num_auths < MAXSUBAUTHS) { + sid->sub_auths[sid->num_auths++] = rid; + return True; + } + return False; +} + +bool sid_compose(DOM_SID *dst, const DOM_SID *domain_sid, uint32 rid) +{ + sid_copy(dst, domain_sid); + return sid_append_rid(dst, rid); +} + +/***************************************************************** + Removes the last rid from the end of a sid +*****************************************************************/ + +bool sid_split_rid(DOM_SID *sid, uint32 *rid) +{ + if (sid->num_auths > 0) { + sid->num_auths--; + *rid = sid->sub_auths[sid->num_auths]; + return True; + } + return False; +} + +/***************************************************************** + Return the last rid from the end of a sid +*****************************************************************/ + +bool sid_peek_rid(const DOM_SID *sid, uint32 *rid) +{ + if (!sid || !rid) + return False; + + if (sid->num_auths > 0) { + *rid = sid->sub_auths[sid->num_auths - 1]; + return True; + } + return False; +} + +/***************************************************************** + Return the last rid from the end of a sid + and check the sid against the exp_dom_sid +*****************************************************************/ + +bool sid_peek_check_rid(const DOM_SID *exp_dom_sid, const DOM_SID *sid, uint32 *rid) +{ + if (!exp_dom_sid || !sid || !rid) + return False; + + if (sid->num_auths != (exp_dom_sid->num_auths+1)) { + return False; + } + + if (sid_compare_domain(exp_dom_sid, sid)!=0){ + *rid=(-1); + return False; + } + + return sid_peek_rid(sid, rid); +} + +/***************************************************************** + Copies a sid +*****************************************************************/ + +void sid_copy(DOM_SID *dst, const DOM_SID *src) +{ + int i; + + ZERO_STRUCTP(dst); + + dst->sid_rev_num = src->sid_rev_num; + dst->num_auths = src->num_auths; + + memcpy(&dst->id_auth[0], &src->id_auth[0], sizeof(src->id_auth)); + + for (i = 0; i < src->num_auths; i++) + dst->sub_auths[i] = src->sub_auths[i]; +} + +/***************************************************************** + Write a sid out into on-the-wire format. +*****************************************************************/ + +bool sid_linearize(char *outbuf, size_t len, const DOM_SID *sid) +{ + size_t i; + + if (len < ndr_size_dom_sid(sid, 0)) + return False; + + SCVAL(outbuf,0,sid->sid_rev_num); + SCVAL(outbuf,1,sid->num_auths); + memcpy(&outbuf[2], sid->id_auth, 6); + for(i = 0; i < sid->num_auths; i++) + SIVAL(outbuf, 8 + (i*4), sid->sub_auths[i]); + + return True; +} + +/***************************************************************** + Parse a on-the-wire SID to a DOM_SID. +*****************************************************************/ + +bool sid_parse(const char *inbuf, size_t len, DOM_SID *sid) +{ + int i; + if (len < 8) + return False; + + ZERO_STRUCTP(sid); + + sid->sid_rev_num = CVAL(inbuf, 0); + sid->num_auths = CVAL(inbuf, 1); + memcpy(sid->id_auth, inbuf+2, 6); + if (len < 8 + sid->num_auths*4) + return False; + for (i=0;i<sid->num_auths;i++) + sid->sub_auths[i] = IVAL(inbuf, 8+i*4); + return True; +} + +/***************************************************************** + Compare the auth portion of two sids. +*****************************************************************/ + +static int sid_compare_auth(const DOM_SID *sid1, const DOM_SID *sid2) +{ + int i; + + if (sid1 == sid2) + return 0; + if (!sid1) + return -1; + if (!sid2) + return 1; + + if (sid1->sid_rev_num != sid2->sid_rev_num) + return sid1->sid_rev_num - sid2->sid_rev_num; + + for (i = 0; i < 6; i++) + if (sid1->id_auth[i] != sid2->id_auth[i]) + return sid1->id_auth[i] - sid2->id_auth[i]; + + return 0; +} + +/***************************************************************** + Compare two sids. +*****************************************************************/ + +int sid_compare(const DOM_SID *sid1, const DOM_SID *sid2) +{ + int i; + + if (sid1 == sid2) + return 0; + if (!sid1) + return -1; + if (!sid2) + return 1; + + /* Compare most likely different rids, first: i.e start at end */ + if (sid1->num_auths != sid2->num_auths) + return sid1->num_auths - sid2->num_auths; + + for (i = sid1->num_auths-1; i >= 0; --i) + if (sid1->sub_auths[i] != sid2->sub_auths[i]) + return sid1->sub_auths[i] - sid2->sub_auths[i]; + + return sid_compare_auth(sid1, sid2); +} + +/***************************************************************** + See if 2 SIDs are in the same domain + this just compares the leading sub-auths +*****************************************************************/ + +int sid_compare_domain(const DOM_SID *sid1, const DOM_SID *sid2) +{ + int n, i; + + n = MIN(sid1->num_auths, sid2->num_auths); + + for (i = n-1; i >= 0; --i) + if (sid1->sub_auths[i] != sid2->sub_auths[i]) + return sid1->sub_auths[i] - sid2->sub_auths[i]; + + return sid_compare_auth(sid1, sid2); +} + +/***************************************************************** + Compare two sids. +*****************************************************************/ + +bool sid_equal(const DOM_SID *sid1, const DOM_SID *sid2) +{ + return sid_compare(sid1, sid2) == 0; +} + +/***************************************************************** + Returns true if SID is internal (and non-mappable). +*****************************************************************/ + +bool non_mappable_sid(DOM_SID *sid) +{ + DOM_SID dom; + uint32 rid; + + sid_copy(&dom, sid); + sid_split_rid(&dom, &rid); + + if (sid_equal(&dom, &global_sid_Builtin)) + return True; + + if (sid_equal(&dom, &global_sid_NT_Authority)) + return True; + + return False; +} + +/***************************************************************** + Return the binary string representation of a DOM_SID. + Caller must free. +*****************************************************************/ + +char *sid_binstring(const DOM_SID *sid) +{ + char *buf, *s; + int len = ndr_size_dom_sid(sid, 0); + buf = (char *)SMB_MALLOC(len); + if (!buf) + return NULL; + sid_linearize(buf, len, sid); + s = binary_string_rfc2254(buf, len); + free(buf); + return s; +} + +/***************************************************************** + Return the binary string representation of a DOM_SID. + Caller must free. +*****************************************************************/ + +char *sid_binstring_hex(const DOM_SID *sid) +{ + char *buf, *s; + int len = ndr_size_dom_sid(sid, 0); + buf = (char *)SMB_MALLOC(len); + if (!buf) + return NULL; + sid_linearize(buf, len, sid); + s = binary_string(buf, len); + free(buf); + return s; +} + +/******************************************************************* + Tallocs a duplicate SID. +********************************************************************/ + +DOM_SID *sid_dup_talloc(TALLOC_CTX *ctx, const DOM_SID *src) +{ + DOM_SID *dst; + + if(!src) + return NULL; + + if((dst = TALLOC_ZERO_P(ctx, DOM_SID)) != NULL) { + sid_copy( dst, src); + } + + return dst; +} + +/******************************************************************** + Add SID to an array SIDs +********************************************************************/ + +NTSTATUS add_sid_to_array(TALLOC_CTX *mem_ctx, const DOM_SID *sid, + DOM_SID **sids, size_t *num) +{ + *sids = TALLOC_REALLOC_ARRAY(mem_ctx, *sids, DOM_SID, + (*num)+1); + if (*sids == NULL) { + *num = 0; + return NT_STATUS_NO_MEMORY; + } + + sid_copy(&((*sids)[*num]), sid); + *num += 1; + + return NT_STATUS_OK; +} + + +/******************************************************************** + Add SID to an array SIDs ensuring that it is not already there +********************************************************************/ + +NTSTATUS add_sid_to_array_unique(TALLOC_CTX *mem_ctx, const DOM_SID *sid, + DOM_SID **sids, size_t *num_sids) +{ + size_t i; + + for (i=0; i<(*num_sids); i++) { + if (sid_compare(sid, &(*sids)[i]) == 0) + return NT_STATUS_OK; + } + + return add_sid_to_array(mem_ctx, sid, sids, num_sids); +} + +/******************************************************************** + Remove SID from an array +********************************************************************/ + +void del_sid_from_array(const DOM_SID *sid, DOM_SID **sids, size_t *num) +{ + DOM_SID *sid_list = *sids; + size_t i; + + for ( i=0; i<*num; i++ ) { + + /* if we find the SID, then decrement the count + and break out of the loop */ + + if ( sid_equal(sid, &sid_list[i]) ) { + *num -= 1; + break; + } + } + + /* This loop will copy the remainder of the array + if i < num of sids ni the array */ + + for ( ; i<*num; i++ ) + sid_copy( &sid_list[i], &sid_list[i+1] ); + + return; +} + +bool add_rid_to_array_unique(TALLOC_CTX *mem_ctx, + uint32 rid, uint32 **pp_rids, size_t *p_num) +{ + size_t i; + + for (i=0; i<*p_num; i++) { + if ((*pp_rids)[i] == rid) + return True; + } + + *pp_rids = TALLOC_REALLOC_ARRAY(mem_ctx, *pp_rids, uint32, *p_num+1); + + if (*pp_rids == NULL) { + *p_num = 0; + return False; + } + + (*pp_rids)[*p_num] = rid; + *p_num += 1; + return True; +} + +bool is_null_sid(const DOM_SID *sid) +{ + static const DOM_SID null_sid = {0}; + return sid_equal(sid, &null_sid); +} + +NTSTATUS sid_array_from_info3(TALLOC_CTX *mem_ctx, + const struct netr_SamInfo3 *info3, + DOM_SID **user_sids, + size_t *num_user_sids, + bool include_user_group_rid, + bool skip_ressource_groups) +{ + NTSTATUS status; + DOM_SID sid; + DOM_SID *sid_array = NULL; + size_t num_sids = 0; + int i; + + if (include_user_group_rid) { + if (!sid_compose(&sid, info3->base.domain_sid, info3->base.rid)) { + DEBUG(3, ("could not compose user SID from rid 0x%x\n", + info3->base.rid)); + return NT_STATUS_INVALID_PARAMETER; + } + status = add_sid_to_array(mem_ctx, &sid, &sid_array, &num_sids); + if (!NT_STATUS_IS_OK(status)) { + DEBUG(3, ("could not append user SID from rid 0x%x\n", + info3->base.rid)); + return status; + } + } + + if (!sid_compose(&sid, info3->base.domain_sid, info3->base.primary_gid)) { + DEBUG(3, ("could not compose group SID from rid 0x%x\n", + info3->base.primary_gid)); + return NT_STATUS_INVALID_PARAMETER; + } + status = add_sid_to_array(mem_ctx, &sid, &sid_array, &num_sids); + if (!NT_STATUS_IS_OK(status)) { + DEBUG(3, ("could not append group SID from rid 0x%x\n", + info3->base.rid)); + return status; + } + + for (i = 0; i < info3->base.groups.count; i++) { + /* Don't add the primary group sid twice. */ + if (info3->base.primary_gid == info3->base.groups.rids[i].rid) { + continue; + } + if (!sid_compose(&sid, info3->base.domain_sid, + info3->base.groups.rids[i].rid)) { + DEBUG(3, ("could not compose SID from additional group " + "rid 0x%x\n", info3->base.groups.rids[i].rid)); + return NT_STATUS_INVALID_PARAMETER; + } + status = add_sid_to_array(mem_ctx, &sid, &sid_array, &num_sids); + if (!NT_STATUS_IS_OK(status)) { + DEBUG(3, ("could not append SID from additional group " + "rid 0x%x\n", info3->base.groups.rids[i].rid)); + return status; + } + } + + /* Copy 'other' sids. We need to do sid filtering here to + prevent possible elevation of privileges. See: + + http://www.microsoft.com/windows2000/techinfo/administration/security/sidfilter.asp + */ + + for (i = 0; i < info3->sidcount; i++) { + + if (skip_ressource_groups && + (info3->sids[i].attributes & SE_GROUP_RESOURCE)) { + continue; + } + + status = add_sid_to_array(mem_ctx, info3->sids[i].sid, + &sid_array, &num_sids); + if (!NT_STATUS_IS_OK(status)) { + DEBUG(3, ("could not add SID to array: %s\n", + sid_string_dbg(info3->sids[i].sid))); + return status; + } + } + + *user_sids = sid_array; + *num_user_sids = num_sids; + + return NT_STATUS_OK; +} |