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authorRichard Sharpe <sharpe@samba.org>2003-04-23 06:36:34 +0000
committerRichard Sharpe <sharpe@samba.org>2003-04-23 06:36:34 +0000
commitf3f78bb9b47d77cecb2861c797d2d3b358014211 (patch)
tree34ff103bf5c108eebcfe9b8773d1d7191635bc9c /source3/utils/editreg.c
parentd315de898bedcaf64e6a27ffb8ab29223a123f10 (diff)
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Add more code to store keys and other records ... still more to go
(This used to be commit 39f298fd395b91a0cf4bcadf3938b58a9a14c95f)
Diffstat (limited to 'source3/utils/editreg.c')
-rw-r--r--source3/utils/editreg.c102
1 files changed, 92 insertions, 10 deletions
diff --git a/source3/utils/editreg.c b/source3/utils/editreg.c
index bdfb3dc832..eb796d43b6 100644
--- a/source3/utils/editreg.c
+++ b/source3/utils/editreg.c
@@ -381,6 +381,7 @@ typedef struct reg_key_s {
struct key_list_s *sub_keys;
struct val_list_s *values;
KEY_SEC_DESC *security;
+ unsigned int offset; /* Offset of the record in the file */
} REG_KEY;
/*
@@ -443,11 +444,12 @@ struct key_sec_desc_s {
struct key_sec_desc_s *prev, *next;
int ref_cnt;
int state;
+ int offset, stored;
SEC_DESC *sec_desc;
};
/*
- * All of the structures below actually have a four-byte lenght before them
+ * All of the structures below actually have a four-byte length before them
* which always seems to be negative. The following macro retrieves that
* size as an integer
*/
@@ -483,8 +485,8 @@ typedef struct hbin_sub_struct {
typedef struct hbin_struct {
DWORD HBIN_ID; /* hbin */
- DWORD prev_off;
- DWORD next_off;
+ DWORD off_from_first;
+ DWORD off_to_next;
DWORD uk1;
DWORD uk2;
DWORD uk3;
@@ -1319,6 +1321,7 @@ KEY_SEC_DESC *nt_create_init_sec(REGF *regf)
tsec->ref_cnt = 1;
tsec->state = SEC_DESC_NBK;
+ tsec->stored = tsec->offset = 0;
tsec->sec_desc = regf->def_sec_desc;
@@ -1795,6 +1798,7 @@ KEY_SEC_DESC *lookup_create_sec_key(REGF *regf, SK_MAP *sk_map, int sk_off)
if (!tmp) {
return NULL;
}
+ bzero(tmp, sizeof(KEY_SEC_DESC));
tmp->state = SEC_DESC_RES;
if (!alloc_sk_map_entry(regf, tmp, sk_off)) {
return NULL;
@@ -2416,7 +2420,7 @@ int nt_load_registry(REGF *regf)
IVAL(&regf_hdr->dblk_size));
if (verbose) fprintf(stdout, "Offset to next hbin block: %0X\n",
- IVAL(&hbin_hdr->next_off));
+ IVAL(&hbin_hdr->off_to_next));
if (verbose) fprintf(stdout, "HBIN block size: %0X\n",
IVAL(&hbin_hdr->blk_size));
@@ -2447,6 +2451,7 @@ int nt_load_registry(REGF *regf)
HBIN_BLK *nt_create_hbin_blk(REGF *regf, int size)
{
HBIN_BLK *tmp;
+ HBIN_HDR *hdr;
if (!regf || !size) return NULL;
@@ -2468,6 +2473,15 @@ HBIN_BLK *nt_create_hbin_blk(REGF *regf, int size)
tmp->free_space = size - (sizeof(HBIN_HDR) - sizeof(HBIN_SUB_HDR));
tmp->fsp_off = size - tmp->free_space;
+ /*
+ * Now, build the header in the data block
+ */
+ hdr = (HBIN_HDR *)tmp->data;
+ hdr->HBIN_ID = REG_HBIN_ID;
+ hdr->off_from_first = tmp->file_offset - REGF_HDR_BLKSIZ;
+ hdr->off_to_next = tmp->size;
+ hdr->blk_size = tmp->size;
+
/*
* Now link it in
*/
@@ -2515,11 +2529,14 @@ void *nt_alloc_regf_space(REGF *regf, int size, int *off)
for (blk = regf->free_space; blk != NULL; blk = blk->next) {
if (blk->free_space <= size) {
- tmp = blk->file_offset + blk->fsp_off;
+ tmp = blk->file_offset + blk->fsp_off - REGF_HDR_BLKSIZ;
ret = blk->data + blk->fsp_off;
blk->free_space -= size;
blk->fsp_off += size;
+ /* Insert the header */
+ ((HBIN_SUB_HDR *)ret)->dblocksize = -size;
+
/*
* Fix up the free space ptr
* If it is NULL, we fix it up next time
@@ -2529,7 +2546,7 @@ void *nt_alloc_regf_space(REGF *regf, int size, int *off)
regf->free_space = blk->next;
*off = tmp;
- return ret;
+ return (((char *)ret)+4);/* The pointer needs to be to the data struct */
}
}
@@ -2539,11 +2556,14 @@ void *nt_alloc_regf_space(REGF *regf, int size, int *off)
*/
if (nt_create_hbin_blk(regf, REGF_HDR_BLKSIZ)) {
blk = regf->free_space;
- tmp = blk->file_offset + blk->fsp_off;
+ tmp = blk->file_offset + blk->fsp_off - REGF_HDR_BLKSIZ;
ret = blk->data + blk->fsp_off;
blk->free_space -= size;
blk->fsp_off += size;
+ /* Insert the header */
+ ((HBIN_SUB_HDR *)ret)->dblocksize = -size;
+
/*
* Fix up the free space ptr
* If it is NULL, we fix it up next time
@@ -2553,13 +2573,27 @@ void *nt_alloc_regf_space(REGF *regf, int size, int *off)
regf->free_space = blk->next;
*off = tmp;
- return ret;
+ return (((char *)ret) + 4);/* The pointer needs to be to the data struct */
}
return NULL;
}
/*
+ * Store the security information
+ *
+ * If it has already been stored, just get its offset from record
+ * otherwise, store it and record its offset
+ */
+
+unsigned int nt_store_security(REGF *regf, KEY_SEC_DESC *sec)
+{
+
+ return 0;
+
+}
+
+/*
* Store a KEY in the file ...
*
* We store this depth first, and defer storing the lf struct until
@@ -2567,11 +2601,56 @@ void *nt_alloc_regf_space(REGF *regf, int size, int *off)
*
* We store the NK hdr, any SK header, class name, and VK structure, then
* recurse down the LF structures ...
+ *
+ * We return the offset of the NK struct
*/
int nt_store_reg_key(REGF *regf, REG_KEY *key)
{
NK_HDR *nk_hdr;
+ unsigned int nk_off, sk_off, val_off, clsnam_off, size;
+
+ if (!regf || !key) return 0;
+
+ size = sizeof(NK_HDR) + strlen(key->name) - 1;
+ nk_hdr = nt_alloc_regf_space(regf, size, &nk_off);
+ if (!nk_hdr) goto error;
+
+ key->offset = nk_off; /* We will need this later */
+ /*
+ * Now fill in each field etc ...
+ */
+
+ nk_hdr->NK_ID = REG_NK_ID;
+ if (key->type == REG_ROOT_KEY)
+ nk_hdr->type = 0x2C;
+ else
+ nk_hdr->type = 0x20;
+
+ /* FIXME: Fill in the time of last update */
+
+ if (key->type != REG_ROOT_KEY)
+ nk_hdr->own_off = key->owner->offset;
+
+ if (key->sub_keys)
+ nk_hdr->subk_num = key->sub_keys->key_count;
+
+ /*
+ * Now, process the Sec Desc and then store its offset
+ */
+
+ sk_off = nt_store_security(regf, key->security);
+
+ /*
+ * Then, store the val list and store its offset
+ */
+
+
+ /*
+ * Finally, store the subkeys, and their offsets
+ */
+
+ error:
return 0;
}
@@ -2617,14 +2696,17 @@ REGF_HDR *nt_get_reg_header(REGF *regf)
int nt_store_registry(REGF *regf)
{
REGF_HDR *reg;
- NK_HDR *fkey;
+ int fkey;
/*
* Get a header ... and partially fill it in ...
*/
reg = nt_get_reg_header(regf);
-
+ /*
+ * Store the first key
+ */
+ fkey = nt_store_reg_key(regf, regf->root);
return 1;
}