trustbridge/nss-cmake-static: nss/lib/softoken/legacydb/dbmshim.c annotate

annotate nss/lib/softoken/legacydb/dbmshim.c @ 4:b513267f632f tip

Build DBM module

author	Andre Heinecke <andre.heinecke@intevation.de>
date	Tue, 05 Aug 2014 18:58:03 +0200 (2014-08-05)
parents	150b72113545
children

rev	line source
3 150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	1 /* This Source Code Form is subject to the terms of the Mozilla Public
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	2 * License, v. 2.0. If a copy of the MPL was not distributed with this
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	4
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	5 /*
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	6 * Berkeley DB 1.85 Shim code to handle blobs.
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	7 */
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	8 #include "mcom_db.h"
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	9 #include "secitem.h"
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	10 #include "nssb64.h"
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	11 #include "blapi.h"
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	12 #include "secerr.h"
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	13
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	14 #include "lgdb.h"
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	15
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	16 /*
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	17 * Blob block:
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	18 * Byte 0 CERTDB Version -+ -+
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	19 * Byte 1 certDBEntryTypeBlob \| BLOB_HEAD_LEN \|
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	20 * Byte 2 flags (always '0'); \| \|
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	21 * Byte 3 reserved (always '0'); -+ \|
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	22 * Byte 4 LSB length \| <--BLOB_LENGTH_START \| BLOB_BUF_LEN
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	23 * Byte 5 . \| \|
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	24 * Byte 6 . \| BLOB_LENGTH_LEN \|
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	25 * Byte 7 MSB length \| \|
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	26 * Byte 8 blob_filename -+ -+ <-- BLOB_NAME_START \|
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	27 * Byte 9 . \| BLOB_NAME_LEN \|
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	28 * . . \| \|
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	29 * Byte 37 . -+ -+
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	30 */
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	31 #define DBS_BLOCK_SIZE (161024) / 16 k */
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	32 #define DBS_MAX_ENTRY_SIZE (DBS_BLOCK_SIZE - (2048)) /* 14 k */
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	33 #define DBS_CACHE_SIZE DBS_BLOCK_SIZE*8
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	34 #define ROUNDDIV(x,y) (x+(y-1))/y
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	35 #define BLOB_HEAD_LEN 4
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	36 #define BLOB_LENGTH_START BLOB_HEAD_LEN
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	37 #define BLOB_LENGTH_LEN 4
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	38 #define BLOB_NAME_START BLOB_LENGTH_START+BLOB_LENGTH_LEN
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	39 #define BLOB_NAME_LEN 1+ROUNDDIV(SHA1_LENGTH,3)*4+1
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	40 #define BLOB_BUF_LEN BLOB_HEAD_LEN+BLOB_LENGTH_LEN+BLOB_NAME_LEN
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	41
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	42 /* a Shim data structure. This data structure has a db built into it. */
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	43 typedef struct DBSStr DBS;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	44
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	45 struct DBSStr {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	46 DB db;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	47 char *blobdir;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	48 int mode;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	49 PRBool readOnly;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	50 PRFileMap *dbs_mapfile;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	51 unsigned char *dbs_addr;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	52 PRUint32 dbs_len;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	53 char staticBlobArea[BLOB_BUF_LEN];
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	54 };
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	55
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	56
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	57
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	58 /*
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	59 * return true if the Datablock contains a blobtype
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	60 */
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	61 static PRBool
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	62 dbs_IsBlob(DBT *blobData)
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	63 {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	64 unsigned char addr = (unsigned char )blobData->data;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	65 if (blobData->size < BLOB_BUF_LEN) {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	66 return PR_FALSE;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	67 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	68 return addr && ((certDBEntryType) addr[1] == certDBEntryTypeBlob);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	69 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	70
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	71 /*
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	72 * extract the filename in the blob of the real data set.
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	73 * This value is not malloced (does not need to be freed by the caller.
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	74 */
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	75 static const char *
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	76 dbs_getBlobFileName(DBT *blobData)
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	77 {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	78 char addr = (char )blobData->data;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	79
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	80 return &addr[BLOB_NAME_START];
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	81 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	82
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	83 /*
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	84 * extract the size of the actual blob from the blob record
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	85 */
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	86 static PRUint32
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	87 dbs_getBlobSize(DBT *blobData)
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	88 {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	89 unsigned char addr = (unsigned char )blobData->data;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	90
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	91 return (PRUint32)(addr[BLOB_LENGTH_START+3] << 24) \|
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	92 (addr[BLOB_LENGTH_START+2] << 16) \|
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	93 (addr[BLOB_LENGTH_START+1] << 8) \|
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	94 addr[BLOB_LENGTH_START];
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	95 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	96
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	97
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	98 /* We are using base64 data for the filename, but base64 data can include a
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	99 * '/' which is interpreted as a path separator on many platforms. Replace it
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	100 * with an inocuous '-'. We don't need to convert back because we never actual
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	101 * decode the filename.
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	102 */
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	103
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	104 static void
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	105 dbs_replaceSlash(char *cp, int len)
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	106 {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	107 while (len--) {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	108 if (cp == '/') cp = '-';
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	109 cp++;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	110 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	111 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	112
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	113 /*
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	114 * create a blob record from a key, data and return it in blobData.
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	115 * NOTE: The data element is static data (keeping with the dbm model).
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	116 */
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	117 static void
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	118 dbs_mkBlob(DBS dbsp,const DBT key, const DBT data, DBT blobData)
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	119 {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	120 unsigned char sha1_data[SHA1_LENGTH];
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	121 char *b = dbsp->staticBlobArea;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	122 PRUint32 length = data->size;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	123 SECItem sha1Item;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	124
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	125 b[0] = CERT_DB_FILE_VERSION; /* certdb version number */
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	126 b[1] = (char) certDBEntryTypeBlob; /* type */
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	127 b[2] = 0; /* flags */
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	128 b[3] = 0; /* reserved */
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	129 b[BLOB_LENGTH_START] = length & 0xff;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	130 b[BLOB_LENGTH_START+1] = (length >> 8) & 0xff;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	131 b[BLOB_LENGTH_START+2] = (length >> 16) & 0xff;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	132 b[BLOB_LENGTH_START+3] = (length >> 24) & 0xff;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	133 sha1Item.data = sha1_data;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	134 sha1Item.len = SHA1_LENGTH;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	135 SHA1_HashBuf(sha1_data,key->data,key->size);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	136 b[BLOB_NAME_START]='b'; /* Make sure we start with a alpha */
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	137 NSSBase64_EncodeItem(NULL,&b[BLOB_NAME_START+1],BLOB_NAME_LEN-1,&sha1Item);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	138 b[BLOB_BUF_LEN-1] = 0;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	139 dbs_replaceSlash(&b[BLOB_NAME_START+1],BLOB_NAME_LEN-1);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	140 blobData->data = b;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	141 blobData->size = BLOB_BUF_LEN;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	142 return;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	143 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	144
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	145
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	146 /*
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	147 * construct a path to the actual blob. The string returned must be
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	148 * freed by the caller with PR_smprintf_free.
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	149 *
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	150 * Note: this file does lots of consistancy checks on the DBT. The
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	151 * routines that call this depend on these checks, so they don't worry
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	152 * about them (success of this routine implies a good blobdata record).
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	153 */
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	154 static char *
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	155 dbs_getBlobFilePath(char blobdir,DBT blobData)
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	156 {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	157 const char *name;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	158
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	159 if (blobdir == NULL) {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	160 PR_SetError(SEC_ERROR_BAD_DATABASE,0);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	161 return NULL;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	162 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	163 if (!dbs_IsBlob(blobData)) {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	164 PR_SetError(SEC_ERROR_BAD_DATABASE,0);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	165 return NULL;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	166 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	167 name = dbs_getBlobFileName(blobData);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	168 if (!name \|\| *name == 0) {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	169 PR_SetError(SEC_ERROR_BAD_DATABASE,0);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	170 return NULL;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	171 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	172 return PR_smprintf("%s" PATH_SEPARATOR "%s", blobdir, name);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	173 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	174
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	175 /*
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	176 * Delete a blob file pointed to by the blob record.
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	177 */
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	178 static void
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	179 dbs_removeBlob(DBS dbsp, DBT blobData)
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	180 {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	181 char *file;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	182
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	183 file = dbs_getBlobFilePath(dbsp->blobdir, blobData);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	184 if (!file) {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	185 return;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	186 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	187 PR_Delete(file);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	188 PR_smprintf_free(file);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	189 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	190
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	191 /*
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	192 * Directory modes are slightly different, the 'x' bit needs to be on to
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	193 * access them. Copy all the read bits to 'x' bits
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	194 */
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	195 static int
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	196 dbs_DirMode(int mode)
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	197 {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	198 int x_bits = (mode >> 2) & 0111;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	199 return mode \| x_bits;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	200 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	201
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	202 /*
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	203 * write a data blob to it's file. blobdData is the blob record that will be
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	204 * stored in the database. data is the actual data to go out on disk.
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	205 */
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	206 static int
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	207 dbs_writeBlob(DBS dbsp, int mode, DBT blobData, const DBT *data)
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	208 {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	209 char *file = NULL;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	210 PRFileDesc *filed;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	211 PRStatus status;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	212 int len;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	213 int error = 0;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	214
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	215 file = dbs_getBlobFilePath(dbsp->blobdir, blobData);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	216 if (!file) {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	217 goto loser;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	218 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	219 if (PR_Access(dbsp->blobdir, PR_ACCESS_EXISTS) != PR_SUCCESS) {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	220 status = PR_MkDir(dbsp->blobdir,dbs_DirMode(mode));
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	221 if (status != PR_SUCCESS) {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	222 goto loser;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	223 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	224 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	225 filed = PR_OpenFile(file,PR_CREATE_FILE\|PR_TRUNCATE\|PR_WRONLY, mode);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	226 if (filed == NULL) {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	227 error = PR_GetError();
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	228 goto loser;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	229 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	230 len = PR_Write(filed,data->data,data->size);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	231 error = PR_GetError();
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	232 PR_Close(filed);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	233 if (len < (int)data->size) {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	234 goto loser;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	235 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	236 PR_smprintf_free(file);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	237 return 0;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	238
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	239 loser:
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	240 if (file) {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	241 PR_Delete(file);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	242 PR_smprintf_free(file);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	243 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	244 /* don't let close or delete reset the error */
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	245 PR_SetError(error,0);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	246 return -1;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	247 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	248
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	249
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	250 /*
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	251 * we need to keep a address map in memory between calls to DBM.
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	252 * remember what we have mapped can close it when we get another dbm
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	253 * call.
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	254 *
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	255 * NOTE: Not all platforms support mapped files. This code is designed to
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	256 * detect this at runtime. If map files aren't supported the OS will indicate
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	257 * this by failing the PR_Memmap call. In this case we emulate mapped files
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	258 * by just reading in the file into regular memory. We signal this state by
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	259 * making dbs_mapfile NULL and dbs_addr non-NULL.
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	260 */
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	261
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	262 static void
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	263 dbs_freemap(DBS *dbsp)
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	264 {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	265 if (dbsp->dbs_mapfile) {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	266 PR_MemUnmap(dbsp->dbs_addr,dbsp->dbs_len);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	267 PR_CloseFileMap(dbsp->dbs_mapfile);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	268 dbsp->dbs_mapfile = NULL;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	269 dbsp->dbs_addr = NULL;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	270 dbsp->dbs_len = 0;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	271 } else if (dbsp->dbs_addr) {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	272 PORT_Free(dbsp->dbs_addr);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	273 dbsp->dbs_addr = NULL;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	274 dbsp->dbs_len = 0;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	275 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	276 return;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	277 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	278
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	279 static void
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	280 dbs_setmap(DBS dbsp, PRFileMap mapfile, unsigned char *addr, PRUint32 len)
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	281 {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	282 dbsp->dbs_mapfile = mapfile;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	283 dbsp->dbs_addr = addr;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	284 dbsp->dbs_len = len;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	285 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	286
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	287 /*
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	288 * platforms that cannot map the file need to read it into a temp buffer.
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	289 */
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	290 static unsigned char *
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	291 dbs_EmulateMap(PRFileDesc *filed, int len)
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	292 {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	293 unsigned char *addr;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	294 PRInt32 dataRead;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	295
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	296 addr = PORT_Alloc(len);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	297 if (addr == NULL) {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	298 return NULL;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	299 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	300
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	301 dataRead = PR_Read(filed,addr,len);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	302 if (dataRead != len) {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	303 PORT_Free(addr);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	304 if (dataRead > 0) {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	305 /* PR_Read didn't set an error, we need to */
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	306 PR_SetError(SEC_ERROR_BAD_DATABASE,0);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	307 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	308 return NULL;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	309 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	310
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	311 return addr;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	312 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	313
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	314
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	315 /*
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	316 * pull a database record off the disk
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	317 * data points to the blob record on input and the real record (if we could
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	318 * read it) on output. if there is an error data is not modified.
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	319 */
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	320 static int
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	321 dbs_readBlob(DBS dbsp, DBT data)
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	322 {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	323 char *file = NULL;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	324 PRFileDesc *filed = NULL;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	325 PRFileMap *mapfile = NULL;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	326 unsigned char *addr = NULL;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	327 int error;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	328 int len = -1;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	329
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	330 file = dbs_getBlobFilePath(dbsp->blobdir, data);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	331 if (!file) {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	332 goto loser;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	333 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	334 filed = PR_OpenFile(file,PR_RDONLY,0);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	335 PR_smprintf_free(file); file = NULL;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	336 if (filed == NULL) {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	337 goto loser;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	338 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	339
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	340 len = dbs_getBlobSize(data);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	341 mapfile = PR_CreateFileMap(filed, len, PR_PROT_READONLY);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	342 if (mapfile == NULL) {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	343 /* USE PR_GetError instead of PORT_GetError here
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	344 * because we are getting the error from PR_xxx
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	345 * function */
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	346 if (PR_GetError() != PR_NOT_IMPLEMENTED_ERROR) {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	347 goto loser;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	348 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	349 addr = dbs_EmulateMap(filed, len);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	350 } else {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	351 addr = PR_MemMap(mapfile, 0, len);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	352 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	353 if (addr == NULL) {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	354 goto loser;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	355 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	356 PR_Close(filed);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	357 dbs_setmap(dbsp,mapfile,addr,len);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	358
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	359 data->data = addr;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	360 data->size = len;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	361 return 0;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	362
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	363 loser:
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	364 /* preserve the error code */
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	365 error = PR_GetError();
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	366 if (mapfile) {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	367 PR_CloseFileMap(mapfile);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	368 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	369 if (filed) {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	370 PR_Close(filed);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	371 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	372 PR_SetError(error,0);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	373 return -1;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	374 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	375
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	376 /*
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	377 * actual DBM shims
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	378 */
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	379 static int
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	380 dbs_get(const DB dbs, const DBT key, DBT *data, unsigned int flags)
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	381 {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	382 int ret;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	383 DBS dbsp = (DBS )dbs;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	384 DB db = (DB )dbs->internal;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	385
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	386
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	387 dbs_freemap(dbsp);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	388
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	389 ret = (* db->get)(db, key, data, flags);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	390 if ((ret == 0) && dbs_IsBlob(data)) {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	391 ret = dbs_readBlob(dbsp,data);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	392 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	393
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	394 return(ret);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	395 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	396
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	397 static int
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	398 dbs_put(const DB dbs, DBT key, const DBT *data, unsigned int flags)
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	399 {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	400 DBT blob;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	401 int ret = 0;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	402 DBS dbsp = (DBS )dbs;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	403 DB db = (DB )dbs->internal;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	404
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	405 dbs_freemap(dbsp);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	406
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	407 /* If the db is readonly, just pass the data down to rdb and let it fail */
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	408 if (!dbsp->readOnly) {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	409 DBT oldData;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	410 int ret1;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	411
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	412 /* make sure the current record is deleted if it's a blob */
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	413 ret1 = (*db->get)(db,key,&oldData,0);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	414 if ((ret1 == 0) && flags == R_NOOVERWRITE) {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	415 /* let DBM return the error to maintain consistancy */
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	416 return (* db->put)(db, key, data, flags);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	417 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	418 if ((ret1 == 0) && dbs_IsBlob(&oldData)) {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	419 dbs_removeBlob(dbsp, &oldData);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	420 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	421
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	422 if (data->size > DBS_MAX_ENTRY_SIZE) {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	423 dbs_mkBlob(dbsp,key,data,&blob);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	424 ret = dbs_writeBlob(dbsp, dbsp->mode, &blob, data);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	425 data = &blob;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	426 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	427 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	428
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	429 if (ret == 0) {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	430 ret = (* db->put)(db, key, data, flags);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	431 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	432 return(ret);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	433 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	434
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	435 static int
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	436 dbs_sync(const DB *dbs, unsigned int flags)
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	437 {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	438 DB db = (DB )dbs->internal;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	439 DBS dbsp = (DBS )dbs;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	440
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	441 dbs_freemap(dbsp);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	442
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	443 return (* db->sync)(db, flags);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	444 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	445
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	446 static int
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	447 dbs_del(const DB dbs, const DBT key, unsigned int flags)
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	448 {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	449 int ret;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	450 DBS dbsp = (DBS )dbs;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	451 DB db = (DB )dbs->internal;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	452
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	453 dbs_freemap(dbsp);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	454
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	455 if (!dbsp->readOnly) {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	456 DBT oldData;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	457 ret = (*db->get)(db,key,&oldData,0);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	458 if ((ret == 0) && dbs_IsBlob(&oldData)) {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	459 dbs_removeBlob(dbsp,&oldData);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	460 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	461 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	462
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	463 return (* db->del)(db, key, flags);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	464 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	465
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	466 static int
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	467 dbs_seq(const DB dbs, DBT key, DBT *data, unsigned int flags)
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	468 {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	469 int ret;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	470 DBS dbsp = (DBS )dbs;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	471 DB db = (DB )dbs->internal;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	472
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	473 dbs_freemap(dbsp);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	474
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	475 ret = (* db->seq)(db, key, data, flags);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	476 if ((ret == 0) && dbs_IsBlob(data)) {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	477 /* don't return a blob read as an error so traversals keep going */
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	478 (void) dbs_readBlob(dbsp,data);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	479 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	480
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	481 return(ret);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	482 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	483
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	484 static int
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	485 dbs_close(DB *dbs)
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	486 {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	487 DBS dbsp = (DBS )dbs;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	488 DB db = (DB )dbs->internal;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	489 int ret;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	490
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	491 dbs_freemap(dbsp);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	492 ret = (* db->close)(db);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	493 PORT_Free(dbsp->blobdir);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	494 PORT_Free(dbsp);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	495 return ret;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	496 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	497
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	498 static int
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	499 dbs_fd(const DB *dbs)
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	500 {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	501 DB db = (DB )dbs->internal;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	502
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	503 return (* db->fd)(db);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	504 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	505
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	506 /*
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	507 * the naming convention we use is
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	508 * change the .xxx into .dir. (for nss it's always .db);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	509 * if no .extension exists or is equal to .dir, add a .dir
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	510 * the returned data must be freed.
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	511 */
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	512 #define DIRSUFFIX ".dir"
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	513 static char *
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	514 dbs_mkBlobDirName(const char *dbname)
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	515 {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	516 int dbname_len = PORT_Strlen(dbname);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	517 int dbname_end = dbname_len;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	518 const char *cp;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	519 char *blobDir = NULL;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	520
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	521 /* scan back from the end looking for either a directory separator, a '.',
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	522 * or the end of the string. NOTE: Windows should check for both separators
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	523 * here. For now this is safe because we know NSS always uses a '.'
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	524 */
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	525 for (cp = &dbname[dbname_len];
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	526 (cp > dbname) && (cp != '.') && (cp != *PATH_SEPARATOR) ;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	527 cp--)
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	528 /* Empty */ ;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	529 if (*cp == '.') {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	530 dbname_end = cp - dbname;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	531 if (PORT_Strcmp(cp,DIRSUFFIX) == 0) {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	532 dbname_end = dbname_len;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	533 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	534 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	535 blobDir = PORT_ZAlloc(dbname_end+sizeof(DIRSUFFIX));
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	536 if (blobDir == NULL) {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	537 return NULL;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	538 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	539 PORT_Memcpy(blobDir,dbname,dbname_end);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	540 PORT_Memcpy(&blobDir[dbname_end],DIRSUFFIX,sizeof(DIRSUFFIX));
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	541 return blobDir;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	542 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	543
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	544 #define DBM_DEFAULT 0
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	545 static const HASHINFO dbs_hashInfo = {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	546 DBS_BLOCK_SIZE, /* bucket size, must be greater than = to
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	547 * or maximum entry size (+ header)
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	548 * we allow before blobing */
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	549 DBM_DEFAULT, /* Fill Factor */
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	550 DBM_DEFAULT, /* number of elements */
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	551 DBS_CACHE_SIZE, /* cache size */
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	552 DBM_DEFAULT, /* hash function */
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	553 DBM_DEFAULT, /* byte order */
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	554 };
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	555
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	556 /*
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	557 * the open function. NOTE: this is the only exposed function in this file.
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	558 * everything else is called through the function table pointer.
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	559 */
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	560 DB *
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	561 dbsopen(const char *dbname, int flags, int mode, DBTYPE type,
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	562 const void *userData)
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	563 {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	564 DB db = NULL,dbs = NULL;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	565 DBS *dbsp = NULL;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	566
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	567 /* NOTE: we are overriding userData with dbs_hashInfo. since all known
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	568 * callers pass 0, this is ok, otherwise we should merge the two */
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	569
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	570 dbsp = (DBS *)PORT_ZAlloc(sizeof(DBS));
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	571 if (!dbsp) {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	572 return NULL;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	573 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	574 dbs = &dbsp->db;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	575
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	576 dbsp->blobdir=dbs_mkBlobDirName(dbname);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	577 if (dbsp->blobdir == NULL) {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	578 goto loser;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	579 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	580 dbsp->mode = mode;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	581 dbsp->readOnly = (PRBool)(flags == NO_RDONLY);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	582 dbsp->dbs_mapfile = NULL;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	583 dbsp->dbs_addr = NULL;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	584 dbsp->dbs_len = 0;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	585
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	586 /* the real dbm call */
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	587 db = dbopen(dbname, flags, mode, type, &dbs_hashInfo);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	588 if (db == NULL) {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	589 goto loser;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	590 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	591 dbs->internal = (void *) db;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	592 dbs->type = type;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	593 dbs->close = dbs_close;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	594 dbs->get = dbs_get;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	595 dbs->del = dbs_del;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	596 dbs->put = dbs_put;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	597 dbs->seq = dbs_seq;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	598 dbs->sync = dbs_sync;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	599 dbs->fd = dbs_fd;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	600
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	601 return dbs;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	602 loser:
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	603 if (db) {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	604 (*db->close)(db);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	605 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	606 if (dbsp) {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	607 if (dbsp->blobdir) {
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	608 PORT_Free(dbsp->blobdir);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	609 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	610 PORT_Free(dbsp);
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	611 }
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	612 return NULL;
150b72113545 Add DBM and legacydb support Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	613 }

Mercurial > trustbridge > nss-cmake-static

annotate nss/lib/softoken/legacydb/dbmshim.c @ 4:b513267f632f tip