sin/samba-mirror
1
0
Fork 0
mirror of https://github.com/samba-team/samba.git synced 2025-08-02 00:22:11 +03:00
Code Activity

security descriptors.

Browse Source 
kanji const char* warnings.
This commit is contained in:
Luke Leighton
-
parent 88c90ec65c
commit 06abdfd68e
11 changed files with 387 additions and 93 deletions
Download Patch File Download Diff File Expand all files Collapse all files

270
source/rpc_parse/parse_sec.c
View File

@ -1,11 +1,11 @@
/*
* Unix SMB/Netbios implementation.
* Version 1.9.
* RPC Pipe client / server routines
* Copyright (C) Andrew Tridgell 1992-1997,
* Copyright (C) Luke Kenneth Casson Leighton 1996-1997,
* Copyright (C) Paul Ashton 1997.
* Copyright (C) Andrew Tridgell 1992-1998,
* Copyright (C) Jeremy R. Allison 1995-1998
* Copyright (C) Luke Kenneth Casson Leighton 1996-1998,
* Copyright (C) Paul Ashton 1997-1998.
*
* 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
@ -28,19 +28,41 @@
extern int DEBUGLEVEL;
/*******************************************************************
makes a structure.
********************************************************************/
void make_sec_access(SEC_ACCESS *t, uint32 mask)
{
t->mask = mask;
}
/*******************************************************************
reads or writes a structure.
********************************************************************/
void sec_io_info(char *desc, SEC_INFO *t, prs_struct *ps, int depth)
void sec_io_access(char *desc, SEC_ACCESS *t, prs_struct *ps, int depth)
{
if (t == NULL) return;
prs_debug(ps, depth, desc, "sec_io_info");
prs_debug(ps, depth, desc, "sec_io_access");
depth++;
prs_align(ps);
prs_uint32("perms", ps, depth, &(t->perms));
prs_uint32("mask", ps, depth, &(t->mask));
}
/*******************************************************************
makes a structure.
********************************************************************/
void make_sec_ace(SEC_ACE *t, DOM_SID *sid, uint8 type, SEC_ACCESS mask, uint8 flag)
{
t->type = type;
t->flags = flag;
t->size = sid_size(sid) + 8;
t->info = mask;
sid_copy(&t->sid, sid);
}
/*******************************************************************
@ -63,7 +85,7 @@ void sec_io_ace(char *desc, SEC_ACE *t, prs_struct *ps, int depth)
prs_uint8 ("flags", ps, depth, &(t->flags));
prs_uint16_pre("size ", ps, depth, &(t->size ), &offset_ace_size);
sec_io_info ("info ", &t->info, ps, depth);
sec_io_access ("info ", &t->info, ps, depth);
prs_align(ps);
smb_io_dom_sid("sid ", &t->sid , ps, depth);
@ -71,8 +93,38 @@ void sec_io_ace(char *desc, SEC_ACE *t, prs_struct *ps, int depth)
}
/*******************************************************************
reads or writes a structure. this is one of those retrospective jobs,
which i hate. why do we have to do this? what's it all about?
makes a structure.
********************************************************************/
void make_sec_acl(SEC_ACL *t, uint16 revision, int num_aces, SEC_ACE *ace)
{
int i;
t->revision = revision;
t->num_aces = num_aces;
t->size = 4;
t->ace = ace;
for (i = 0; i < num_aces; i++)
{
t->size += ace[i].size;
}
}
/*******************************************************************
frees a structure.
********************************************************************/
void free_sec_acl(SEC_ACL *t)
{
if (t->ace != NULL)
{
free(t->ace);
}
}
/*******************************************************************
reads or writes a structure.
first of the xx_io_xx functions that allocates its data structures
for you as it reads them.
********************************************************************/
void sec_io_acl(char *desc, SEC_ACL *t, prs_struct *ps, int depth)
{
@ -93,6 +145,20 @@ void sec_io_acl(char *desc, SEC_ACL *t, prs_struct *ps, int depth)
prs_uint16_pre("size ", ps, depth, &(t->size ), &offset_acl_size);
prs_uint32("num_aces ", ps, depth, &(t->num_aces ));
if (ps->io && t->num_aces != 0)
{
/* reading */
t->ace = malloc(sizeof(t->ace[0]) * t->num_aces);
ZERO_STRUCTPN(t->ace);
}
if (t->ace == NULL && t->num_aces != 0)
{
DEBUG(0,("INVALID ACL\n"));
ps->offset = 0xfffffffe;
return;
}
for (i = 0; i < MIN(t->num_aces, MAX_SEC_ACES); i++)
{
fstring tmp;
@ -106,6 +172,85 @@ void sec_io_acl(char *desc, SEC_ACL *t, prs_struct *ps, int depth)
}
/*******************************************************************
makes a structure
********************************************************************/
int make_sec_desc(SEC_DESC *t, uint16 revision, uint16 type,
DOM_SID *owner_sid, DOM_SID *grp_sid,
SEC_ACL *sacl, SEC_ACL *dacl)
{
uint32 offset;
t->revision = revision;
t->type = type;
t->off_owner_sid = 0;
t->off_grp_sid = 0;
t->off_sacl = 0;
t->off_dacl = 0;
t->dacl = dacl;
t->sacl = sacl;
t->owner_sid = owner_sid;
t->grp_sid = grp_sid;
offset = 0x14;
if (dacl != NULL)
{
t->off_dacl = offset;
offset += dacl->size;
}
if (sacl != NULL)
{
t->off_dacl = offset;
offset += dacl->size;
}
if (owner_sid != NULL)
{
t->off_owner_sid = offset;
offset += sid_size(owner_sid);
}
if (grp_sid != NULL)
{
t->off_grp_sid = offset;
offset += sid_size(grp_sid);
}
return offset;
}
/*******************************************************************
frees a structure
********************************************************************/
void free_sec_desc(SEC_DESC *t)
{
if (t->dacl != NULL)
{
free_sec_acl(t->dacl);
}
if (t->sacl != NULL)
{
free_sec_acl(t->dacl);
}
if (t->owner_sid != NULL)
{
free(t->owner_sid);
}
if (t->grp_sid != NULL)
{
free(t->grp_sid);
}
}
/*******************************************************************
reads or writes a structure.
********************************************************************/
@ -114,8 +259,9 @@ static void sec_io_desc(char *desc, SEC_DESC *t, prs_struct *ps, int depth)
uint32 off_owner_sid;
uint32 off_grp_sid ;
uint32 off_sacl ;
uint32 off_dacl ;
uint32 off_dacl ;
uint32 old_offset;
uint32 max_offset = 0; /* after we're done, move offset to end */
if (t == NULL) return;
@ -135,11 +281,27 @@ static void sec_io_desc(char *desc, SEC_DESC *t, prs_struct *ps, int depth)
prs_uint32_pre("off_sacl ", ps, depth, &(t->off_sacl ), &off_sacl );
prs_uint32_pre("off_dacl ", ps, depth, &(t->off_dacl ), &off_dacl );
max_offset = MAX(max_offset, ps->offset);
if (IS_BITS_SET_ALL(t->type, SEC_DESC_DACL_PRESENT))
{
prs_uint32_post("off_dacl ", ps, depth, &(t->off_dacl ), off_dacl , ps->offset - old_offset);
ps->offset = old_offset + t->off_dacl;
sec_io_acl ("dacl" , &t->dacl , ps, depth);
if (ps->io)
{
/* reading */
t->dacl = malloc(sizeof(*t->dacl));
ZERO_STRUCTPN(t->dacl);
}
if (t->dacl == NULL)
{
DEBUG(0,("INVALID DACL\n"));
ps->offset = 0xfffffffe;
return;
}
sec_io_acl ("dacl" , t->dacl , ps, depth);
prs_align(ps);
}
else
@ -147,11 +309,27 @@ static void sec_io_desc(char *desc, SEC_DESC *t, prs_struct *ps, int depth)
prs_uint32_post("off_dacl ", ps, depth, &(t->off_dacl ), off_dacl , 0);
}
max_offset = MAX(max_offset, ps->offset);
if (IS_BITS_SET_ALL(t->type, SEC_DESC_SACL_PRESENT))
{
prs_uint32_post("off_sacl ", ps, depth, &(t->off_sacl ), off_sacl , ps->offset - old_offset);
ps->offset = old_offset + t->off_sacl;
sec_io_acl ("sacl" , &t->sacl , ps, depth);
if (ps->io)
{
/* reading */
t->sacl = malloc(sizeof(*t->sacl));
ZERO_STRUCTPN(t->sacl);
}
if (t->sacl == NULL)
{
DEBUG(0,("INVALID SACL\n"));
ps->offset = 0xfffffffe;
return;
}
sec_io_acl ("sacl" , t->sacl , ps, depth);
prs_align(ps);
}
else
@ -159,6 +337,8 @@ static void sec_io_desc(char *desc, SEC_DESC *t, prs_struct *ps, int depth)
prs_uint32_post("off_sacl ", ps, depth, &(t->off_sacl ), off_sacl , 0);
}
max_offset = MAX(max_offset, ps->offset);
prs_uint32_post("off_owner_sid", ps, depth, &(t->off_owner_sid), off_owner_sid, ps->offset - old_offset);
if (t->off_owner_sid != 0)
{
@ -166,10 +346,26 @@ static void sec_io_desc(char *desc, SEC_DESC *t, prs_struct *ps, int depth)
{
ps->offset = old_offset + t->off_owner_sid;
}
smb_io_dom_sid("owner_sid ", &t->owner_sid , ps, depth);
if (ps->io)
{
/* reading */
t->owner_sid = malloc(sizeof(*t->owner_sid));
ZERO_STRUCTPN(t->owner_sid);
}
if (t->owner_sid == NULL)
{
DEBUG(0,("INVALID OWNER SID\n"));
ps->offset = 0xfffffffe;
return;
}
smb_io_dom_sid("owner_sid ", t->owner_sid , ps, depth);
prs_align(ps);
}
max_offset = MAX(max_offset, ps->offset);
prs_uint32_post("off_grp_sid ", ps, depth, &(t->off_grp_sid ), off_grp_sid , ps->offset - old_offset);
if (t->off_grp_sid != 0)
{
@ -177,9 +373,27 @@ static void sec_io_desc(char *desc, SEC_DESC *t, prs_struct *ps, int depth)
{
ps->offset = old_offset + t->off_grp_sid;
}
smb_io_dom_sid("grp_sid", &t->grp_sid, ps, depth);
if (ps->io)
{
/* reading */
t->grp_sid = malloc(sizeof(*t->grp_sid));
ZERO_STRUCTPN(t->grp_sid);
}
if (t->grp_sid == NULL)
{
DEBUG(0,("INVALID GROUP SID\n"));
ps->offset = 0xfffffffe;
return;
}
smb_io_dom_sid("grp_sid", t->grp_sid, ps, depth);
prs_align(ps);
}
max_offset = MAX(max_offset, ps->offset);
ps->offset = max_offset;
}
/*******************************************************************
@ -196,6 +410,18 @@ void make_sec_desc_buf(SEC_DESC_BUF *buf, int len, SEC_DESC *data)
buf->sec = data;
}
/*******************************************************************
frees a SEC_DESC_BUF structure.
********************************************************************/
void free_sec_desc_buf(SEC_DESC_BUF *buf)
{
if (buf->sec != NULL)
{
free_sec_desc(buf->sec);
free(buf->sec);
}
}
/*******************************************************************
reads or writes a SEC_DESC_BUF structure.
@ -220,6 +446,20 @@ void sec_io_desc_buf(char *desc, SEC_DESC_BUF *sec, prs_struct *ps, int depth)
old_offset = ps->offset;
if (sec->len != 0 && ps->io)
{
/* reading */
sec->sec = malloc(sizeof(*sec->sec));
ZERO_STRUCTPN(sec->sec);
if (sec->sec == NULL)
{
DEBUG(0,("INVALID SEC_DESC\n"));
ps->offset = 0xfffffffe;
return;
}
}
/* reading, length is non-zero; writing, descriptor is non-NULL */
if ((sec->len != 0 || (!ps->io)) && sec->sec != NULL)
{