From f20bba97d8146e830dbaeb761a05dcede1bdfee2 Mon Sep 17 00:00:00 2001 From: Andrew Bartlett Date: Fri, 27 Aug 2010 08:56:15 +1000 Subject: s3-privs Move source3/ privileges implmentation into common Andrew Bartlett Signed-off-by: Andrew Tridgell --- libcli/security/privileges.c | 457 ++++++++++++++++++++++++++++++++++++++++ libcli/security/privileges.h | 74 +++++++ source3/Makefile.in | 2 +- source3/include/includes.h | 2 +- source3/include/privileges.h | 74 ------- source3/lib/privileges_basic.c | 458 ----------------------------------------- 6 files changed, 533 insertions(+), 534 deletions(-) create mode 100644 libcli/security/privileges.c create mode 100644 libcli/security/privileges.h delete mode 100644 source3/include/privileges.h delete mode 100644 source3/lib/privileges_basic.c diff --git a/libcli/security/privileges.c b/libcli/security/privileges.c new file mode 100644 index 00000000000..ca2b4fef8dc --- /dev/null +++ b/libcli/security/privileges.c @@ -0,0 +1,457 @@ +/* + Unix SMB/CIFS implementation. + Privileges handling functions + Copyright (C) Jean François Micouleau 1998-2001 + Copyright (C) Simo Sorce 2002-2003 + Copyright (C) Gerald (Jerry) Carter 2005 + Copyright (C) Michael Adam 2007 + Copyright (C) Andrew Bartlett 2010 + + 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 . +*/ + +/* + * Basic privileges functions (mask-operations and conversion + * functions between the different formats (se_priv, privset, luid) + * moved here * from lib/privileges.c to minimize linker deps. + * + * generally SID- and LUID-related code is left in lib/privileges.c + * + * some extra functions to hide privs array from lib/privileges.c + */ + +#include "includes.h" + +const uint64_t se_priv_all = SE_ALL_PRIVS; +static const uint64_t se_priv_end = SE_END; + +/* Define variables for all privileges so we can use the + uint64_t* in the various se_priv_XXX() functions */ + +const uint64_t se_priv_none = SE_NONE; +const uint64_t se_machine_account = SE_MACHINE_ACCOUNT; +const uint64_t se_print_operator = SE_PRINT_OPERATOR; +const uint64_t se_add_users = SE_ADD_USERS; +const uint64_t se_disk_operators = SE_DISK_OPERATOR; +const uint64_t se_remote_shutdown = SE_REMOTE_SHUTDOWN; +const uint64_t se_restore = SE_RESTORE; +const uint64_t se_take_ownership = SE_TAKE_OWNERSHIP; + +PRIVS privs[] = { +#if 0 /* usrmgr will display these twice if you include them. We don't + use them but we'll keep the bitmasks reserved in privileges.h anyways */ + + {SE_NETWORK_LOGON, "SeNetworkLogonRight", "Access this computer from network", 0x0}, + {SE_INTERACTIVE_LOGON, "SeInteractiveLogonRight", "Log on locally", 0x0}, + {SE_BATCH_LOGON, "SeBatchLogonRight", "Log on as a batch job", 0x0}, + {SE_SERVICE_LOGON, "SeServiceLogonRight", "Log on as a service", 0x0}, +#endif + {SE_MACHINE_ACCOUNT, "SeMachineAccountPrivilege", "Add machines to domain", SEC_PRIV_MACHINE_ACCOUNT}, + {SE_TAKE_OWNERSHIP, "SeTakeOwnershipPrivilege", "Take ownership of files or other objects",SEC_PRIV_TAKE_OWNERSHIP}, + {SE_BACKUP, "SeBackupPrivilege", "Back up files and directories", SEC_PRIV_BACKUP}, + {SE_RESTORE, "SeRestorePrivilege", "Restore files and directories", SEC_PRIV_RESTORE}, + {SE_REMOTE_SHUTDOWN, "SeRemoteShutdownPrivilege", "Force shutdown from a remote system", SEC_PRIV_REMOTE_SHUTDOWN}, + + {SE_PRINT_OPERATOR, "SePrintOperatorPrivilege", "Manage printers", SEC_PRIV_PRINT_OPERATOR}, + {SE_ADD_USERS, "SeAddUsersPrivilege", "Add users and groups to the domain", SEC_PRIV_ADD_USERS}, + {SE_DISK_OPERATOR, "SeDiskOperatorPrivilege", "Manage disk shares", SEC_PRIV_DISK_OPERATOR}, + + {SE_END, "", "", 0x0} +}; + +/*************************************************************************** + copy an uint64_t structure +****************************************************************************/ + +bool se_priv_copy( uint64_t *dst, const uint64_t *src ) +{ + if ( !dst || !src ) + return False; + + memcpy( dst, src, sizeof(uint64_t) ); + + return True; +} + +/*************************************************************************** + put all privileges into a mask +****************************************************************************/ + +bool se_priv_put_all_privileges(uint64_t *privilege_mask) +{ + int i; + uint32 num_privs = count_all_privileges(); + + if (!se_priv_copy(privilege_mask, &se_priv_none)) { + return False; + } + for ( i=0; iprivilege_mask, privilege_bit ); +} + +/**************************************************************************** + Does the user have any of the specified privileges ? We only deal with one privilege + at a time here. +*****************************************************************************/ + +bool user_has_any_privilege(struct security_token *token, const uint64_t *privilege_mask) +{ + if ( !token ) + return False; + + return is_any_privilege_assigned( &token->privilege_mask, privilege_mask ); +} + +/******************************************************************* + return the number of elements in the privlege array +*******************************************************************/ + +int count_all_privileges( void ) +{ + /* + * The -1 is due to the weird SE_END record... + */ + return (sizeof(privs) / sizeof(privs[0])) - 1; +} + + +/********************************************************************* + Generate the struct lsa_LUIDAttribute structure based on a bitmask + The assumption here is that the privilege has already been validated + so we are guaranteed to find it in the list. +*********************************************************************/ + +struct lsa_LUIDAttribute get_privilege_luid( uint64_t *privilege_mask ) +{ + struct lsa_LUIDAttribute priv_luid; + int i; + + ZERO_STRUCT( priv_luid ); + + for ( i=0; !se_priv_equal(&privs[i].privilege_mask, &se_priv_end); i++ ) { + + if ( se_priv_equal( &privs[i].privilege_mask, privilege_mask ) ) { + priv_luid.luid.low = privs[i].luid; + priv_luid.luid.high = 0; + break; + } + } + + return priv_luid; +} + +/**************************************************************************** + Convert a LUID to a named string +****************************************************************************/ + +const char *luid_to_privilege_name(const struct lsa_LUID *set) +{ + int i; + + if (set->high != 0) + return NULL; + + for ( i=0; !se_priv_equal(&privs[i].privilege_mask, &se_priv_end); i++ ) { + if ( set->low == privs[i].luid ) { + return privs[i].name; + } + } + + return NULL; +} + + +/**************************************************************************** + add a privilege to a privilege array + ****************************************************************************/ + +static bool privilege_set_add(PRIVILEGE_SET *priv_set, struct lsa_LUIDAttribute set) +{ + struct lsa_LUIDAttribute *new_set; + + /* we can allocate memory to add the new privilege */ + + new_set = TALLOC_REALLOC_ARRAY(priv_set->mem_ctx, priv_set->set, struct lsa_LUIDAttribute, priv_set->count + 1); + if ( !new_set ) { + DEBUG(0,("privilege_set_add: failed to allocate memory!\n")); + return False; + } + + new_set[priv_set->count].luid.high = set.luid.high; + new_set[priv_set->count].luid.low = set.luid.low; + new_set[priv_set->count].attribute = set.attribute; + + priv_set->count++; + priv_set->set = new_set; + + return True; +} + +/******************************************************************* +*******************************************************************/ + +bool se_priv_to_privilege_set( PRIVILEGE_SET *set, uint64_t *privilege_mask ) +{ + int i; + uint32 num_privs = count_all_privileges(); + struct lsa_LUIDAttribute luid; + + luid.attribute = 0; + luid.luid.high = 0; + + for ( i=0; ilow == privs[i].luid ) { + se_priv_copy( privilege_mask, &privs[i].privilege_mask ); + return True; + } + } + + return False; +} + +/******************************************************************* +*******************************************************************/ + +bool privilege_set_to_se_priv( uint64_t *privilege_mask, struct lsa_PrivilegeSet *privset ) +{ + int i; + + ZERO_STRUCTP( privilege_mask ); + + for ( i=0; icount; i++ ) { + uint64_t r; + + /* sanity check for invalid privilege. we really + only care about the low 32 bits */ + + if ( privset->set[i].luid.high != 0 ) + return False; + + if ( luid_to_se_priv( &privset->set[i].luid, &r ) ) + se_priv_add( privilege_mask, &r ); + } + + return True; +} diff --git a/libcli/security/privileges.h b/libcli/security/privileges.h new file mode 100644 index 00000000000..6c2a6bf2193 --- /dev/null +++ b/libcli/security/privileges.h @@ -0,0 +1,74 @@ + +/* + Unix SMB/CIFS implementation. + SMB parameters and setup + Copyright (C) Andrew Tridgell 1992-1997 + Copyright (C) Luke Kenneth Casson Leighton 1996-1997 + Copyright (C) Paul Ashton 1997 + Copyright (C) Simo Sorce 2003 + Copyright (C) Gerald (Jerry) Carter 2005 + Copyright (C) Andrew Bartlett 2010 + + 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 . +*/ + +#ifndef PRIVILEGES_H +#define PRIVILEGES_H + +#include "../librpc/gen_ndr/lsa.h" +#include "../librpc/gen_ndr/security.h" + +/* privilege bitmask */ + +/* common privilege defines */ + +#define SE_END 0x0 +#define SE_NONE 0x0 +#define SE_ALL_PRIVS (uint64_t)-1 + + +/* defined in lib/privilegs_basic.c */ + +extern const uint64_t se_priv_all; + +extern const uint64_t se_priv_none; +extern const uint64_t se_machine_account; +extern const uint64_t se_print_operator; +extern const uint64_t se_add_users; +extern const uint64_t se_disk_operators; +extern const uint64_t se_remote_shutdown; +extern const uint64_t se_restore; +extern const uint64_t se_take_ownership; + + +/* + * These are used in Lsa replies (srv_lsa_nt.c) + */ + +typedef struct { + TALLOC_CTX *mem_ctx; + bool ext_ctx; + uint32 count; + uint32 control; + struct lsa_LUIDAttribute *set; +} PRIVILEGE_SET; + +typedef struct { + uint64_t privilege_mask; + const char *name; + const char *description; + enum sec_privilege luid; +} PRIVS; + +#endif /* PRIVILEGES_H */ diff --git a/source3/Makefile.in b/source3/Makefile.in index 63345edea94..321eb3cf33d 100644 --- a/source3/Makefile.in +++ b/source3/Makefile.in @@ -728,7 +728,7 @@ RPC_CLIENT_SCHANNEL_OBJ = rpc_client/cli_pipe_schannel.o LOCKING_OBJ = locking/locking.o locking/brlock.o locking/posix.o -PRIVILEGES_BASIC_OBJ = lib/privileges_basic.o +PRIVILEGES_BASIC_OBJ = ../libcli/security/privileges.o PRIVILEGES_OBJ = lib/privileges.o diff --git a/source3/include/includes.h b/source3/include/includes.h index 478c633d621..2e45b7964d8 100644 --- a/source3/include/includes.h +++ b/source3/include/includes.h @@ -634,7 +634,7 @@ extern void *cmdline_lp_ctx; #include "../lib/util/charset/charset.h" #include "dynconfig.h" #include "debugparse.h" -#include "privileges.h" +#include "../libcli/security/privileges.h" #include "messages.h" #include "locking.h" #include "smb_perfcount.h" diff --git a/source3/include/privileges.h b/source3/include/privileges.h deleted file mode 100644 index 0bc085c1662..00000000000 --- a/source3/include/privileges.h +++ /dev/null @@ -1,74 +0,0 @@ - -/* - Unix SMB/CIFS implementation. - SMB parameters and setup - Copyright (C) Andrew Tridgell 1992-1997 - Copyright (C) Luke Kenneth Casson Leighton 1996-1997 - Copyright (C) Paul Ashton 1997 - Copyright (C) Simo Sorce 2003 - Copyright (C) Gerald (Jerry) Carter 2005 - Copyright (C) Andrew Bartlett 2010 - - 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 . -*/ - -#ifndef PRIVILEGES_H -#define PRIVILEGES_H - -#include "../librpc/gen_ndr/lsa.h" -#include "../librpc/gen_ndr/security.h" - -/* privilege bitmask */ - -/* common privilege defines */ - -#define SE_END 0x0 -#define SE_NONE 0x0 -#define SE_ALL_PRIVS (uint64_t)-1 - - -/* defined in lib/privilegs_basic.c */ - -extern const uint64_t se_priv_all; - -extern const uint64_t se_priv_none; -extern const uint64_t se_machine_account; -extern const uint64_t se_print_operator; -extern const uint64_t se_add_users; -extern const uint64_t se_disk_operators; -extern const uint64_t se_remote_shutdown; -extern const uint64_t se_restore; -extern const uint64_t se_take_ownership; - - -/* - * These are used in Lsa replies (srv_lsa_nt.c) - */ - -typedef struct { - TALLOC_CTX *mem_ctx; - bool ext_ctx; - uint32 count; - uint32 control; - struct lsa_LUIDAttribute *set; -} PRIVILEGE_SET; - -typedef struct { - uint64_t privilege_mask; - const char *name; - const char *description; - enum sec_privilege luid; -} PRIVS; - -#endif /* PRIVILEGES_H */ diff --git a/source3/lib/privileges_basic.c b/source3/lib/privileges_basic.c deleted file mode 100644 index aa723a4199e..00000000000 --- a/source3/lib/privileges_basic.c +++ /dev/null @@ -1,458 +0,0 @@ -/* - Unix SMB/CIFS implementation. - Privileges handling functions - Copyright (C) Jean François Micouleau 1998-2001 - Copyright (C) Simo Sorce 2002-2003 - Copyright (C) Gerald (Jerry) Carter 2005 - Copyright (C) Michael Adam 2007 - Copyright (C) Andrew Bartlett 2010 - - 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 . -*/ - -/* - * Basic privileges functions (mask-operations and conversion - * functions between the different formats (se_priv, privset, luid) - * moved here * from lib/privileges.c to minimize linker deps. - * - * generally SID- and LUID-related code is left in lib/privileges.c - * - * some extra functions to hide privs array from lib/privileges.c - */ - -#include "includes.h" - -const uint64_t se_priv_all = SE_ALL_PRIVS; -static const uint64_t se_priv_end = SE_END; - -/* Define variables for all privileges so we can use the - uint64_t* in the various se_priv_XXX() functions */ - -const uint64_t se_priv_none = SE_NONE; -const uint64_t se_machine_account = SE_MACHINE_ACCOUNT; -const uint64_t se_print_operator = SE_PRINT_OPERATOR; -const uint64_t se_add_users = SE_ADD_USERS; -const uint64_t se_disk_operators = SE_DISK_OPERATOR; -const uint64_t se_remote_shutdown = SE_REMOTE_SHUTDOWN; -const uint64_t se_restore = SE_RESTORE; -const uint64_t se_take_ownership = SE_TAKE_OWNERSHIP; - -PRIVS privs[] = { -#if 0 /* usrmgr will display these twice if you include them. We don't - use them but we'll keep the bitmasks reserved in privileges.h anyways */ - - {SE_NETWORK_LOGON, "SeNetworkLogonRight", "Access this computer from network", 0x0}, - {SE_INTERACTIVE_LOGON, "SeInteractiveLogonRight", "Log on locally", 0x0}, - {SE_BATCH_LOGON, "SeBatchLogonRight", "Log on as a batch job", 0x0}, - {SE_SERVICE_LOGON, "SeServiceLogonRight", "Log on as a service", 0x0}, -#endif - {SE_MACHINE_ACCOUNT, "SeMachineAccountPrivilege", "Add machines to domain", SEC_PRIV_MACHINE_ACCOUNT}, - {SE_TAKE_OWNERSHIP, "SeTakeOwnershipPrivilege", "Take ownership of files or other objects",SEC_PRIV_TAKE_OWNERSHIP}, - {SE_BACKUP, "SeBackupPrivilege", "Back up files and directories", SEC_PRIV_BACKUP}, - {SE_RESTORE, "SeRestorePrivilege", "Restore files and directories", SEC_PRIV_RESTORE}, - {SE_REMOTE_SHUTDOWN, "SeRemoteShutdownPrivilege", "Force shutdown from a remote system", SEC_PRIV_REMOTE_SHUTDOWN}, - - {SE_PRINT_OPERATOR, "SePrintOperatorPrivilege", "Manage printers", SEC_PRIV_PRINT_OPERATOR}, - {SE_ADD_USERS, "SeAddUsersPrivilege", "Add users and groups to the domain", SEC_PRIV_ADD_USERS}, - {SE_DISK_OPERATOR, "SeDiskOperatorPrivilege", "Manage disk shares", SEC_PRIV_DISK_OPERATOR}, - - {SE_END, "", "", 0x0} -}; - -/*************************************************************************** - copy an uint64_t structure -****************************************************************************/ - -bool se_priv_copy( uint64_t *dst, const uint64_t *src ) -{ - if ( !dst || !src ) - return False; - - memcpy( dst, src, sizeof(uint64_t) ); - - return True; -} - -/*************************************************************************** - put all privileges into a mask -****************************************************************************/ - -bool se_priv_put_all_privileges(uint64_t *privilege_mask) -{ - int i; - uint32 num_privs = count_all_privileges(); - - if (!se_priv_copy(privilege_mask, &se_priv_none)) { - return False; - } - for ( i=0; iprivilege_mask, privilege_bit ); -} - -/**************************************************************************** - Does the user have any of the specified privileges ? We only deal with one privilege - at a time here. -*****************************************************************************/ - -bool user_has_any_privilege(struct security_token *token, const uint64_t *privilege_mask) -{ - if ( !token ) - return False; - - return is_any_privilege_assigned( &token->privilege_mask, privilege_mask ); -} - -/******************************************************************* - return the number of elements in the privlege array -*******************************************************************/ - -int count_all_privileges( void ) -{ - /* - * The -1 is due to the weird SE_END record... - */ - return (sizeof(privs) / sizeof(privs[0])) - 1; -} - - -/********************************************************************* - Generate the struct lsa_LUIDAttribute structure based on a bitmask - The assumption here is that the privilege has already been validated - so we are guaranteed to find it in the list. -*********************************************************************/ - -struct lsa_LUIDAttribute get_privilege_luid( uint64_t *privilege_mask ) -{ - struct lsa_LUIDAttribute priv_luid; - int i; - - ZERO_STRUCT( priv_luid ); - - for ( i=0; !se_priv_equal(&privs[i].privilege_mask, &se_priv_end); i++ ) { - - if ( se_priv_equal( &privs[i].privilege_mask, privilege_mask ) ) { - priv_luid.luid.low = privs[i].luid; - priv_luid.luid.high = 0; - break; - } - } - - return priv_luid; -} - -/**************************************************************************** - Convert a LUID to a named string -****************************************************************************/ - -const char *luid_to_privilege_name(const struct lsa_LUID *set) -{ - int i; - - if (set->high != 0) - return NULL; - - for ( i=0; !se_priv_equal(&privs[i].privilege_mask, &se_priv_end); i++ ) { - if ( set->low == privs[i].luid ) { - return privs[i].name; - } - } - - return NULL; -} - - -/**************************************************************************** - add a privilege to a privilege array - ****************************************************************************/ - -static bool privilege_set_add(PRIVILEGE_SET *priv_set, struct lsa_LUIDAttribute set) -{ - struct lsa_LUIDAttribute *new_set; - - /* we can allocate memory to add the new privilege */ - - new_set = TALLOC_REALLOC_ARRAY(priv_set->mem_ctx, priv_set->set, struct lsa_LUIDAttribute, priv_set->count + 1); - if ( !new_set ) { - DEBUG(0,("privilege_set_add: failed to allocate memory!\n")); - return False; - } - - new_set[priv_set->count].luid.high = set.luid.high; - new_set[priv_set->count].luid.low = set.luid.low; - new_set[priv_set->count].attribute = set.attribute; - - priv_set->count++; - priv_set->set = new_set; - - return True; -} - -/******************************************************************* -*******************************************************************/ - -bool se_priv_to_privilege_set( PRIVILEGE_SET *set, uint64_t *privilege_mask ) -{ - int i; - uint32 num_privs = count_all_privileges(); - struct lsa_LUIDAttribute luid; - - luid.attribute = 0; - luid.luid.high = 0; - - for ( i=0; ilow == privs[i].luid ) { - se_priv_copy( privilege_mask, &privs[i].privilege_mask ); - return True; - } - } - - return False; -} - -/******************************************************************* -*******************************************************************/ - -bool privilege_set_to_se_priv( uint64_t *privilege_mask, struct lsa_PrivilegeSet *privset ) -{ - int i; - - ZERO_STRUCTP( privilege_mask ); - - for ( i=0; icount; i++ ) { - uint64_t r; - - /* sanity check for invalid privilege. we really - only care about the low 32 bits */ - - if ( privset->set[i].luid.high != 0 ) - return False; - - if ( luid_to_se_priv( &privset->set[i].luid, &r ) ) - se_priv_add( privilege_mask, &r ); - } - - return True; -} - -- cgit v1.2.1