ofork.c \
quota.c \
spotlight.c \
+ spotlight_marshalling.c \
status.c \
switch.c \
uam.c \
fce_CFLAGS = -DFCE_TEST_MAIN -I$(top_srcdir)/include
fce_LDADD = $(top_builddir)/libatalk/libatalk.la
-spot_SOURCES = spotlight.c
+spot_SOURCES = spotlight.c spotlight_marshalling.c
spot_CFLAGS = -DSPOT_TEST_MAIN
spot_LDADD = $(top_builddir)/libatalk/libatalk.la
#include "spotlight.h"
-/**************************************************************************************************
- * RPC data marshalling and unmarshalling
- **************************************************************************************************/
-
-/* FPSpotlightRPC subcommand codes */
-#define SPOTLIGHT_CMD_VOLPATH 1
-#define SPOTLIGHT_CMD_FLAGS 2
-#define SPOTLIGHT_CMD_RPC 3
-
-/* Spotlight epoch is UNIX epoch minus SPOTLIGHT_TIME_DELTA */
-#define SPOTLIGHT_TIME_DELTA INT64_C(280878921600U)
-
-#define SQ_TYPE_NULL 0x0000
-#define SQ_TYPE_COMPLEX 0x0200
-#define SQ_TYPE_INT64 0x8400
-#define SQ_TYPE_BOOL 0x0100
-#define SQ_TYPE_FLOAT 0x8500
-#define SQ_TYPE_DATA 0x0700
-#define SQ_TYPE_CNIDS 0x8700
-#define SQ_TYPE_UUID 0x0e00
-#define SQ_TYPE_DATE 0x8600
-#define SQ_TYPE_TOC 0x8800
-
-#define SQ_CPX_TYPE_ARRAY 0x0a00
-#define SQ_CPX_TYPE_STRING 0x0c00
-#define SQ_CPX_TYPE_UTF16_STRING 0x1c00
-#define SQ_CPX_TYPE_DICT 0x0d00
-#define SQ_CPX_TYPE_CNIDS 0x1a00
-#define SQ_CPX_TYPE_FILEMETA 0x1b00
-
-#define SUBQ_SAFETY_LIM 20
-
-/* Can be ored and used as flags */
-#define SL_ENC_LITTLE_ENDIAN 1
-#define SL_ENC_BIG_ENDIAN 2
-#define SL_ENC_UTF_16 4
-
-/* Forward declarations */
-static int dissect_spotlight(DALLOC_CTX *query, const char *buf);
-static int sl_pack_loop(DALLOC_CTX *query, char *buf, int offset, char *toc_buf, int *toc_idx);
/* Helper functions and stuff */
static const char *neststrings[] = {
LOG(log_debug, logtype_sl, "%s}", neststrings[nestinglevel]);
}
-/*
-* Returns the UTF-16 string encoding, by checking the 2-byte byte order mark.
-* If there is no byte order mark, -1 is returned.
-*/
-static uint spotlight_get_utf16_string_encoding(const char *buf, int offset, int query_length, uint encoding) {
- uint utf16_encoding;
-
- /* check for byte order mark */
- utf16_encoding = SL_ENC_BIG_ENDIAN;
- if (query_length >= 2) {
- uint16_t byte_order_mark;
- if (encoding == SL_ENC_LITTLE_ENDIAN)
- byte_order_mark = SVAL(buf, offset);
- else
- byte_order_mark = RSVAL(buf, offset);
-
- if (byte_order_mark == 0xFFFE) {
- utf16_encoding = SL_ENC_BIG_ENDIAN | SL_ENC_UTF_16;
- }
- else if (byte_order_mark == 0xFEFF) {
- utf16_encoding = SL_ENC_LITTLE_ENDIAN | SL_ENC_UTF_16;
- }
- }
-
- return utf16_encoding;
-}
-
-/**************************************************************************************************
- * marshalling functions
- **************************************************************************************************/
-
-#define SL_OFFSET_DELTA 16
-
-static uint64_t sl_pack_tag(uint16_t type, uint16_t size_or_count, uint32_t val)
-{
- uint64_t tag = ((uint64_t)val << 32) | ((uint64_t)type << 16) | size_or_count;
- return tag;
-}
-
-static int sl_pack_float(double d, char *buf, int offset)
-{
- union {
- double d;
- uint64_t w;
- } ieee_fp_union;
-
- SLVAL(buf, offset, sl_pack_tag(SQ_TYPE_FLOAT, 2, 1));
- SLVAL(buf, offset + 8, ieee_fp_union.w);
-
- return offset + 2 * sizeof(uint64_t);
-}
-
-static int sl_pack_uint64(uint64_t u, char *buf, int offset)
-{
- SLVAL(buf, offset, sl_pack_tag(SQ_TYPE_INT64, 2, 1));
- SLVAL(buf, offset + 8, u);
-
- return offset + 2 * sizeof(uint64_t);
-}
-
-static int sl_pack_bool(sl_bool_t bl, char *buf, int offset)
-{
- SLVAL(buf, offset, sl_pack_tag(SQ_TYPE_BOOL, 1, bl ? 1 : 0));
-
- return offset + sizeof(uint64_t);
-}
-
-static int sl_pack_nil(char *buf, int offset)
-{
- SLVAL(buf, offset, sl_pack_tag(SQ_TYPE_NULL, 1, 1));
-
- return offset + sizeof(uint64_t);
-}
-
-static int sl_pack_date(sl_time_t t, char *buf, int offset)
-{
- uint64_t data = 0;
-
- data = (t.tv_sec + SPOTLIGHT_TIME_DELTA) << 24;
-
- SLVAL(buf, offset, sl_pack_tag(SQ_TYPE_DATE, 2, 1));
- SLVAL(buf, offset + 8, data);
-
- return offset + 2 * sizeof(uint64_t);
-}
-
-static int sl_pack_uuid(sl_uuid_t *uuid, char *buf, int offset)
-{
- SLVAL(buf, offset, sl_pack_tag(SQ_TYPE_UUID, 3, 1));
- memcpy(buf + offset + 8, uuid, 16);
-
- return offset + sizeof(uint64_t) + 16;
-}
-
-static int sl_pack_CNID(sl_cnids_t *cnids, char *buf, int offset, char *toc_buf, int *toc_idx)
-{
- int len = 0, off = 0;
- int cnid_count = talloc_array_length(cnids->ca_cnids);
-
- SLVAL(toc_buf, *toc_idx * 8, sl_pack_tag(SQ_CPX_TYPE_CNIDS, (offset + SL_OFFSET_DELTA) / 8, cnid_count));
- SLVAL(buf, offset, sl_pack_tag(SQ_TYPE_COMPLEX, 1, *toc_idx + 1));
- *toc_idx += 1;
- offset += 8;
-
- SLVAL(buf, offset, sl_pack_tag(SQ_TYPE_CNIDS, 2 + cnid_count, 8 /* unknown meaning, but always 8 */));
- offset += 8;
-
- if (cnid_count > 0) {
- SLVAL(buf, offset, sl_pack_tag(0x0add, cnid_count, cnids->ca_context));
- offset += 8;
-
- for (int i = 0; i < cnid_count; i++) {
- SLVAL(buf, offset, cnids->ca_cnids->dd_talloc_array[i]);
- offset += 8;
- }
- }
-
- return offset;
-}
-
-static int sl_pack_array(sl_array_t *array, char *buf, int offset, char *toc_buf, int *toc_idx)
-{
- int count = talloc_array_length(array->dd_talloc_array);
- int octets = (offset + SL_OFFSET_DELTA) / 8;
-
- LOG(log_maxdebug, logtype_sl, "sl_pack_array: count: %d, offset:%d, octets: %d", count, offset, octets);
-
- SLVAL(toc_buf, *toc_idx * 8, sl_pack_tag(SQ_CPX_TYPE_ARRAY, octets, count));
- SLVAL(buf, offset, sl_pack_tag(SQ_TYPE_COMPLEX, 1, *toc_idx + 1));
- *toc_idx += 1;
- offset += 8;
-
- offset = sl_pack_loop(array, buf, offset, toc_buf, toc_idx);
-
- return offset;
-}
-
-static int sl_pack_dict(sl_array_t *dict, char *buf, int offset, char *toc_buf, int *toc_idx)
-{
- SLVAL(toc_buf, *toc_idx * 8, sl_pack_tag(SQ_CPX_TYPE_DICT, (offset + SL_OFFSET_DELTA) / 8, talloc_array_length(dict->dd_talloc_array)));
- SLVAL(buf, offset, sl_pack_tag(SQ_TYPE_COMPLEX, 1, *toc_idx + 1));
- *toc_idx += 1;
- offset += 8;
-
- offset = sl_pack_loop(dict, buf, offset, toc_buf, toc_idx);
-
- return offset;
-}
-
-static int sl_pack_string(char **string, char *buf, int offset, char *toc_buf, int *toc_idx)
-{
- int len, octets, used_in_last_octet;
- char *s = *string;
- len = strlen(s);
- octets = (len / 8) + (len & 7 ? 1 : 0);
- used_in_last_octet = 8 - (octets * 8 - len);
-
- LOG(log_maxdebug, logtype_sl, "sl_pack_string(\"%s\"): len: %d, octets: %d, used_in_last_octet: %d",
- s, len, octets, used_in_last_octet);
-
- SLVAL(toc_buf, *toc_idx * 8, sl_pack_tag(SQ_CPX_TYPE_STRING, (offset + SL_OFFSET_DELTA) / 8, used_in_last_octet));
- SLVAL(buf, offset, sl_pack_tag(SQ_TYPE_COMPLEX, 1, *toc_idx + 1));
- *toc_idx += 1;
- offset += 8;
-
- SLVAL(buf, offset, sl_pack_tag(SQ_TYPE_DATA, octets + 1, used_in_last_octet));
- offset += 8;
-
- memset(buf + offset, 0, octets * 8);
- strncpy(buf + offset, s, len);
- offset += octets * 8;
-
- return offset;
-}
-
-static int sl_pack_loop(DALLOC_CTX *query, char *buf, int offset, char *toc_buf, int *toc_idx)
-{
- const char *type;
-
- for (int n = 0; n < talloc_array_length(query->dd_talloc_array); n++) {
-
- type = talloc_get_name(query->dd_talloc_array[n]);
-
- if (STRCMP(type, ==, "sl_array_t")) {
- offset = sl_pack_array(query->dd_talloc_array[n], buf, offset, toc_buf, toc_idx);
- } else if (STRCMP(type, ==, "sl_dict_t")) {
- offset = sl_pack_dict(query->dd_talloc_array[n], buf, offset, toc_buf, toc_idx);
- } else if (STRCMP(type, ==, "uint64_t")) {
- uint64_t i;
- memcpy(&i, query->dd_talloc_array[n], sizeof(uint64_t));
- offset = sl_pack_uint64(i, buf, offset);
- } else if (STRCMP(type, ==, "char *")) {
- offset = sl_pack_string(query->dd_talloc_array[n], buf, offset, toc_buf, toc_idx);
- } else if (STRCMP(type, ==, "sl_bool_t")) {
- sl_bool_t bl;
- memcpy(&bl, query->dd_talloc_array[n], sizeof(sl_bool_t));
- offset = sl_pack_bool(bl, buf, offset);
- } else if (STRCMP(type, ==, "double")) {
- double d;
- memcpy(&d, query->dd_talloc_array[n], sizeof(double));
- offset = sl_pack_float(d, buf, offset);
- } else if (STRCMP(type, ==, "sl_nil_t")) {
- offset = sl_pack_nil(buf, offset);
- } else if (STRCMP(type, ==, "sl_time_t")) {
- sl_time_t t;
- memcpy(&t, query->dd_talloc_array[n], sizeof(sl_time_t));
- offset = sl_pack_date(t, buf, offset);
- } else if (STRCMP(type, ==, "sl_uuid_t")) {
- offset = sl_pack_uuid(query->dd_talloc_array[n], buf, offset);
- } else if (STRCMP(type, ==, "sl_cnids_t")) {
- offset = sl_pack_CNID(query->dd_talloc_array[n], buf, offset, toc_buf, toc_idx);
- }
- }
-
- return offset;
-}
-
-#define MAX_SLQ_DAT 65000
-#define MAX_SLQ_TOC 2048
-
-static int sl_pack(DALLOC_CTX *query, char *buf)
-{
- EC_INIT;
- char toc_buf[MAX_SLQ_TOC];
- int toc_index = 0;
- int len = 0;
-
- memcpy(buf, "432130dm", 8);
- EC_NEG1_LOG( len = sl_pack_loop(query, buf + 16, 0, toc_buf + 8, &toc_index) );
- SIVAL(buf, 8, len / 8 + 1 + toc_index + 1);
- SIVAL(buf, 12, len / 8 + 1);
-
- SLVAL(toc_buf, 0, sl_pack_tag(SQ_TYPE_TOC, toc_index + 1, 0));
- memcpy(buf + 16 + len, toc_buf, (toc_index + 1 ) * 8);
-
- len += 16 + (toc_index + 1 ) * 8;
-
-EC_CLEANUP:
- if (ret != 0)
- len = -1;
- return len;
-}
-
-/**************************************************************************************************
- * unmarshalling functions
- **************************************************************************************************/
-
-static uint64_t sl_unpack_uint64(const char *buf, int offset, uint encoding)
-{
- if (encoding == SL_ENC_LITTLE_ENDIAN)
- return LVAL(buf, offset);
- else
- return RLVAL(buf, offset);
-}
-
-static int sl_unpack_ints(DALLOC_CTX *query, const char *buf, int offset, uint encoding)
-{
- int count, i;
- uint64_t query_data64;
-
- query_data64 = sl_unpack_uint64(buf, offset, encoding);
- count = query_data64 >> 32;
- offset += 8;
-
- i = 0;
- while (i++ < count) {
- query_data64 = sl_unpack_uint64(buf, offset, encoding);
- dalloc_add(query, &query_data64, uint64_t);
- offset += 8;
- }
-
- return count;
-}
-
-static int sl_unpack_date(DALLOC_CTX *query, const char *buf, int offset, uint encoding)
-{
- int count, i;
- uint64_t query_data64;
- sl_time_t t;
-
- query_data64 = sl_unpack_uint64(buf, offset, encoding);
- count = query_data64 >> 32;
- offset += 8;
-
- i = 0;
- while (i++ < count) {
- query_data64 = sl_unpack_uint64(buf, offset, encoding) >> 24;
- t.tv_sec = query_data64 - SPOTLIGHT_TIME_DELTA;
- t.tv_usec = 0;
- dalloc_add(query, &t, sl_time_t);
- offset += 8;
- }
-
- return count;
-}
-
-static int sl_unpack_uuid(DALLOC_CTX *query, const char *buf, int offset, uint encoding)
-{
- int count, i;
- uint64_t query_data64;
- sl_uuid_t uuid;
- query_data64 = sl_unpack_uint64(buf, offset, encoding);
- count = query_data64 >> 32;
- offset += 8;
-
- i = 0;
- while (i++ < count) {
- memcpy(uuid.sl_uuid, buf + offset, 16);
- dalloc_add(query, &uuid, sl_uuid_t);
- offset += 16;
- }
-
- return count;
-}
-
-static int sl_unpack_floats(DALLOC_CTX *query, const char *buf, int offset, uint encoding)
-{
- int count, i;
- uint64_t query_data64;
- double fval;
- union {
- double d;
- uint32_t w[2];
- } ieee_fp_union;
-
- query_data64 = sl_unpack_uint64(buf, offset, encoding);
- count = query_data64 >> 32;
- offset += 8;
-
- i = 0;
- while (i++ < count) {
- if (encoding == SL_ENC_LITTLE_ENDIAN) {
-#ifdef WORDS_BIGENDIAN
- ieee_fp_union.w[0] = IVAL(buf, offset + 4);
- ieee_fp_union.w[1] = IVAL(buf, offset);
-#else
- ieee_fp_union.w[0] = IVAL(buf, offset);
- ieee_fp_union.w[1] = IVAL(buf, offset + 4);
-#endif
- } else {
-#ifdef WORDS_BIGENDIAN
- ieee_fp_union.w[0] = RIVAL(buf, offset);
- ieee_fp_union.w[1] = RIVAL(buf, offset + 4);
-#else
- ieee_fp_union.w[0] = RIVAL(buf, offset + 4);
- ieee_fp_union.w[1] = RIVAL(buf, offset);
-#endif
- }
- dalloc_add(query, &ieee_fp_union.d, double);
- offset += 8;
- }
-
- return count;
-}
-
-static int sl_unpack_CNID(DALLOC_CTX *query, const char *buf, int offset, int length, uint encoding)
-{
- EC_INIT;
- int count;
- uint64_t query_data64;
- sl_cnids_t cnids;
-
- EC_NULL( cnids.ca_cnids = talloc_zero(query, DALLOC_CTX) );
-
- if (length <= 16)
- /* that's permitted, it's an empty array */
- goto EC_CLEANUP;
-
- query_data64 = sl_unpack_uint64(buf, offset, encoding);
- count = query_data64 & 0xffff;
-
- cnids.ca_unkn1 = (query_data64 & 0xffff0000) >> 16;
- cnids.ca_context = query_data64 >> 32;
-
- offset += 8;
-
- while (count --) {
- query_data64 = sl_unpack_uint64(buf, offset, encoding);
- dalloc_add(cnids.ca_cnids, &query_data64, uint64_t);
- offset += 8;
- }
-
- dalloc_add(query, &cnids, sl_cnids_t);
-
-EC_CLEANUP:
- EC_EXIT;
-}
-
-static const char *spotlight_get_qtype_string(uint64_t query_type)
-{
- switch (query_type) {
- case SQ_TYPE_NULL:
- return "null";
- case SQ_TYPE_COMPLEX:
- return "complex";
- case SQ_TYPE_INT64:
- return "int64";
- case SQ_TYPE_BOOL:
- return "bool";
- case SQ_TYPE_FLOAT:
- return "float";
- case SQ_TYPE_DATA:
- return "data";
- case SQ_TYPE_CNIDS:
- return "CNIDs";
- default:
- return "unknown";
- }
-}
-
-static const char *spotlight_get_cpx_qtype_string(uint64_t cpx_query_type)
-{
- switch (cpx_query_type) {
- case SQ_CPX_TYPE_ARRAY:
- return "array";
- case SQ_CPX_TYPE_STRING:
- return "string";
- case SQ_CPX_TYPE_UTF16_STRING:
- return "utf-16 string";
- case SQ_CPX_TYPE_DICT:
- return "dictionary";
- case SQ_CPX_TYPE_CNIDS:
- return "CNIDs";
- case SQ_CPX_TYPE_FILEMETA:
- return "FileMeta";
- default:
- return "unknown";
- }
-}
-
-static int spotlight_dissect_loop(DALLOC_CTX *query,
- const char *buf,
- uint offset,
- uint count,
- const uint toc_offset,
- const uint encoding)
-{
- EC_INIT;
- int i, toc_index, query_length;
- uint subcount, cpx_query_type, cpx_query_count;
- uint64_t query_data64, query_type;
- uint unicode_encoding;
- uint8_t mark_exists;
- char *p;
- int padding, slen;
-
- while (count > 0 && (offset < toc_offset)) {
- query_data64 = sl_unpack_uint64(buf, offset, encoding);
- query_length = (query_data64 & 0xffff) * 8;
- query_type = (query_data64 & 0xffff0000) >> 16;
- if (query_length == 0)
- EC_FAIL;
-
- switch (query_type) {
- case SQ_TYPE_COMPLEX:
- toc_index = (query_data64 >> 32) - 1;
- query_data64 = sl_unpack_uint64(buf, toc_offset + toc_index * 8, encoding);
- cpx_query_type = (query_data64 & 0xffff0000) >> 16;
- cpx_query_count = query_data64 >> 32;
-
- switch (cpx_query_type) {
- case SQ_CPX_TYPE_ARRAY: {
- sl_array_t *sl_arrary = talloc_zero(query, sl_array_t);
- EC_NEG1_LOG( offset = spotlight_dissect_loop(sl_arrary, buf, offset + 8, cpx_query_count, toc_offset, encoding) );
- dalloc_add(query, sl_arrary, sl_array_t);
- break;
- }
-
- case SQ_CPX_TYPE_DICT: {
- sl_dict_t *sl_dict = talloc_zero(query, sl_dict_t);
- EC_NEG1_LOG( offset = spotlight_dissect_loop(sl_dict, buf, offset + 8, cpx_query_count, toc_offset, encoding) );
- dalloc_add(query, sl_dict, sl_dict_t);
- break;
- }
- case SQ_CPX_TYPE_STRING:
- query_data64 = sl_unpack_uint64(buf, offset + 8, encoding);
- query_length += (query_data64 & 0xffff) * 8;
- if ((padding = 8 - (query_data64 >> 32)) < 0)
- EC_FAIL;
- if ((slen = query_length - 16 - padding) < 1)
- EC_FAIL;
- p = talloc_strndup(query, buf + offset + 16, slen);
- dalloc_add(query, &p, char *);
- break;
-
- case SQ_CPX_TYPE_UTF16_STRING:
- query_data64 = sl_unpack_uint64(buf, offset + 8, encoding);
- query_length += (query_data64 & 0xffff) * 8;
- if ((padding = 8 - (query_data64 >> 32)) < 0)
- EC_FAIL;
- if ((slen = query_length - 16 - padding) < 1)
- EC_FAIL;
-
- unicode_encoding = spotlight_get_utf16_string_encoding(buf, offset + 16, slen, encoding);
- mark_exists = (unicode_encoding & SL_ENC_UTF_16);
- unicode_encoding &= ~SL_ENC_UTF_16;
-
- EC_NEG1( convert_string_allocate(CH_UCS2, CH_UTF8, buf + offset + (mark_exists ? 18 : 16), slen, &p) );
- dalloc_add(query, &p, char *);
- break;
-
- case SQ_CPX_TYPE_FILEMETA:
- query_data64 = sl_unpack_uint64(buf, offset + 8, encoding);
- query_length += (query_data64 & 0xffff) * 8;
-
- if (query_length <= 8) {
- EC_FAIL_LOG("SQ_CPX_TYPE_FILEMETA: query_length <= 8%s", "");
- } else {
- EC_NEG1_LOG( dissect_spotlight(query, buf + offset + 16) );
- }
- break;
-
- case SQ_CPX_TYPE_CNIDS:
- query_data64 = sl_unpack_uint64(buf, offset + 8, encoding);
- query_length += (query_data64 & 0xffff) * 8;
- EC_NEG1_LOG( sl_unpack_CNID(query, buf, offset + 16, query_length, encoding) );
- break;
- } /* switch (cpx_query_type) */
-
- count--;
- break;
-
- case SQ_TYPE_NULL: {
- subcount = query_data64 >> 32;
- if (subcount > 64)
- EC_FAIL;
- sl_nil_t nil = 0;
- for (i = 0; i < subcount; i++)
- dalloc_add(query, &nil, sl_nil_t);
- count -= subcount;
- break;
- }
- case SQ_TYPE_BOOL: {
- sl_bool_t b = query_data64 >> 32;
- dalloc_add(query, &b, sl_bool_t);
- count--;
- break;
- }
- case SQ_TYPE_INT64:
- EC_NEG1_LOG( subcount = sl_unpack_ints(query, buf, offset, encoding) );
- count -= subcount;
- break;
- case SQ_TYPE_UUID:
- EC_NEG1_LOG( subcount = sl_unpack_uuid(query, buf, offset, encoding) );
- count -= subcount;
- break;
- case SQ_TYPE_FLOAT:
- EC_NEG1_LOG( subcount = sl_unpack_floats(query, buf, offset, encoding) );
- count -= subcount;
- break;
- case SQ_TYPE_DATE:
- EC_NEG1_LOG( subcount = sl_unpack_date(query, buf, offset, encoding) );
- count -= subcount;
- break;
- default:
- EC_FAIL;
- }
-
- offset += query_length;
- }
-
-EC_CLEANUP:
- if (ret != 0) {
- offset = -1;
- }
- return offset;
-}
-
-static int dissect_spotlight(DALLOC_CTX *query, const char *buf)
-{
- EC_INIT;
- int encoding, i, toc_entries;
- uint64_t toc_offset, tquerylen, toc_entry;
-
- if (strncmp(buf, "md031234", 8) == 0)
- encoding = SL_ENC_BIG_ENDIAN;
- else
- encoding = SL_ENC_LITTLE_ENDIAN;
-
- buf += 8;
-
- toc_offset = ((sl_unpack_uint64(buf, 0, encoding) >> 32) - 1 ) * 8;
- if (toc_offset < 0 || (toc_offset > 65000)) {
- EC_FAIL;
- }
-
- buf += 8;
-
- toc_entries = (int)(sl_unpack_uint64(buf, toc_offset, encoding) & 0xffff);
-
- EC_NEG1( spotlight_dissect_loop(query, buf, 0, 1, toc_offset + 8, encoding) );
-
-EC_CLEANUP:
- EC_EXIT;
-}
-
/**************************************************************************************************
* Spotlight RPC functions
**************************************************************************************************/
switch (cmd) {
- case SPOTLIGHT_CMD_VOLPATH: {
+ case SPOTLIGHT_CMD_OPEN:
+ case SPOTLIGHT_CMD_OPEN2: {
RSIVAL(rbuf, 0, ntohs(vid));
RSIVAL(rbuf, 4, 0);
int len = strlen(vol->v_path) + 1;
break;
}
case SPOTLIGHT_CMD_FLAGS:
- RSIVAL(rbuf, 0, 0x0100006b); /* Whatever this value means... flags? */
+ RSIVAL(rbuf, 0, 0x0100006b); /* Whatever this value means... flags? Helios uses 0x1eefface */
*rbuflen += 4;
break;
DALLOC_CTX *reply;
EC_NULL( reply = talloc_zero(tmp_ctx, DALLOC_CTX) );
- EC_ZERO( dissect_spotlight(query, ibuf + 22) );
+ EC_ZERO( sl_unpack(query, ibuf + 22) );
dd_dump(query, 0);
char **cmd;
int len;
EC_NEG1_LOG( len = sl_pack(reply, rbuf + 4) );
*rbuflen += len;
+
+ dd_dump(reply, 0);
+
break;
}
}
#include <atalk/dalloc.h>
#include <atalk/globals.h>
+/* FPSpotlightRPC subcommand codes */
+#define SPOTLIGHT_CMD_OPEN 1
+#define SPOTLIGHT_CMD_FLAGS 2
+#define SPOTLIGHT_CMD_RPC 3
+#define SPOTLIGHT_CMD_OPEN2 4
+
+/* Can be ored and used as flags */
+#define SL_ENC_LITTLE_ENDIAN 1
+#define SL_ENC_BIG_ENDIAN 2
+#define SL_ENC_UTF_16 4
+
typedef DALLOC_CTX sl_array_t; /* an array of elements */
typedef DALLOC_CTX sl_dict_t; /* an array of key/value elements */
typedef DALLOC_CTX sl_filemeta_t; /* contains one sl_array_t */
} sl_cnids_t; /* an array of CNID */
extern int afp_spotlight_rpc(AFPObj *obj, char *ibuf, size_t ibuflen _U_, char *rbuf, size_t *rbuflen);
+extern int sl_pack(DALLOC_CTX *query, char *buf);
+extern int sl_unpack(DALLOC_CTX *query, const char *buf);
#endif /* SPOTLIGHT_H */
--- /dev/null
+/*
+ Copyright (c) 2012 Frank Lahm <franklahm@gmail.com>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+*/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+#include <string.h>
+#include <strings.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <stdbool.h>
+#include <inttypes.h>
+
+#include <atalk/errchk.h>
+#include <atalk/util.h>
+#include <atalk/logger.h>
+#include <atalk/talloc.h>
+#include <atalk/dalloc.h>
+#include <atalk/byteorder.h>
+#include <atalk/netatalk_conf.h>
+#include <atalk/volume.h>
+
+#include "spotlight.h"
+
+/**************************************************************************************************
+ * RPC data marshalling and unmarshalling
+ **************************************************************************************************/
+
+/* Spotlight epoch is UNIX epoch minus SPOTLIGHT_TIME_DELTA */
+#define SPOTLIGHT_TIME_DELTA INT64_C(280878921600U)
+
+#define SQ_TYPE_NULL 0x0000
+#define SQ_TYPE_COMPLEX 0x0200
+#define SQ_TYPE_INT64 0x8400
+#define SQ_TYPE_BOOL 0x0100
+#define SQ_TYPE_FLOAT 0x8500
+#define SQ_TYPE_DATA 0x0700
+#define SQ_TYPE_CNIDS 0x8700
+#define SQ_TYPE_UUID 0x0e00
+#define SQ_TYPE_DATE 0x8600
+#define SQ_TYPE_TOC 0x8800
+
+#define SQ_CPX_TYPE_ARRAY 0x0a00
+#define SQ_CPX_TYPE_STRING 0x0c00
+#define SQ_CPX_TYPE_UTF16_STRING 0x1c00
+#define SQ_CPX_TYPE_DICT 0x0d00
+#define SQ_CPX_TYPE_CNIDS 0x1a00
+#define SQ_CPX_TYPE_FILEMETA 0x1b00
+
+#define SUBQ_SAFETY_LIM 20
+
+/* Forward declarations */
+static int sl_pack_loop(DALLOC_CTX *query, char *buf, int offset, char *toc_buf, int *toc_idx);
+
+/*
+* Returns the UTF-16 string encoding, by checking the 2-byte byte order mark.
+* If there is no byte order mark, -1 is returned.
+*/
+static uint spotlight_get_utf16_string_encoding(const char *buf, int offset, int query_length, uint encoding) {
+ uint utf16_encoding;
+
+ /* check for byte order mark */
+ utf16_encoding = SL_ENC_BIG_ENDIAN;
+ if (query_length >= 2) {
+ uint16_t byte_order_mark;
+ if (encoding == SL_ENC_LITTLE_ENDIAN)
+ byte_order_mark = SVAL(buf, offset);
+ else
+ byte_order_mark = RSVAL(buf, offset);
+
+ if (byte_order_mark == 0xFFFE) {
+ utf16_encoding = SL_ENC_BIG_ENDIAN | SL_ENC_UTF_16;
+ }
+ else if (byte_order_mark == 0xFEFF) {
+ utf16_encoding = SL_ENC_LITTLE_ENDIAN | SL_ENC_UTF_16;
+ }
+ }
+
+ return utf16_encoding;
+}
+
+/**************************************************************************************************
+ * marshalling functions
+ **************************************************************************************************/
+
+#define SL_OFFSET_DELTA 16
+
+static uint64_t sl_pack_tag(uint16_t type, uint16_t size_or_count, uint32_t val)
+{
+ uint64_t tag = ((uint64_t)val << 32) | ((uint64_t)type << 16) | size_or_count;
+ return tag;
+}
+
+static int sl_pack_float(double d, char *buf, int offset)
+{
+ union {
+ double d;
+ uint64_t w;
+ } ieee_fp_union;
+
+ SLVAL(buf, offset, sl_pack_tag(SQ_TYPE_FLOAT, 2, 1));
+ SLVAL(buf, offset + 8, ieee_fp_union.w);
+
+ return offset + 2 * sizeof(uint64_t);
+}
+
+static int sl_pack_uint64(uint64_t u, char *buf, int offset)
+{
+ SLVAL(buf, offset, sl_pack_tag(SQ_TYPE_INT64, 2, 1));
+ SLVAL(buf, offset + 8, u);
+
+ return offset + 2 * sizeof(uint64_t);
+}
+
+static int sl_pack_bool(sl_bool_t bl, char *buf, int offset)
+{
+ SLVAL(buf, offset, sl_pack_tag(SQ_TYPE_BOOL, 1, bl ? 1 : 0));
+
+ return offset + sizeof(uint64_t);
+}
+
+static int sl_pack_nil(char *buf, int offset)
+{
+ SLVAL(buf, offset, sl_pack_tag(SQ_TYPE_NULL, 1, 1));
+
+ return offset + sizeof(uint64_t);
+}
+
+static int sl_pack_date(sl_time_t t, char *buf, int offset)
+{
+ uint64_t data = 0;
+
+ data = (t.tv_sec + SPOTLIGHT_TIME_DELTA) << 24;
+
+ SLVAL(buf, offset, sl_pack_tag(SQ_TYPE_DATE, 2, 1));
+ SLVAL(buf, offset + 8, data);
+
+ return offset + 2 * sizeof(uint64_t);
+}
+
+static int sl_pack_uuid(sl_uuid_t *uuid, char *buf, int offset)
+{
+ SLVAL(buf, offset, sl_pack_tag(SQ_TYPE_UUID, 3, 1));
+ memcpy(buf + offset + 8, uuid, 16);
+
+ return offset + sizeof(uint64_t) + 16;
+}
+
+static int sl_pack_CNID(sl_cnids_t *cnids, char *buf, int offset, char *toc_buf, int *toc_idx)
+{
+ int len = 0, off = 0;
+ int cnid_count = talloc_array_length(cnids->ca_cnids);
+
+ SLVAL(toc_buf, *toc_idx * 8, sl_pack_tag(SQ_CPX_TYPE_CNIDS, (offset + SL_OFFSET_DELTA) / 8, cnid_count));
+ SLVAL(buf, offset, sl_pack_tag(SQ_TYPE_COMPLEX, 1, *toc_idx + 1));
+ *toc_idx += 1;
+ offset += 8;
+
+ SLVAL(buf, offset, sl_pack_tag(SQ_TYPE_CNIDS, 2 + cnid_count, 8 /* unknown meaning, but always 8 */));
+ offset += 8;
+
+ if (cnid_count > 0) {
+ SLVAL(buf, offset, sl_pack_tag(0x0add, cnid_count, cnids->ca_context));
+ offset += 8;
+
+ for (int i = 0; i < cnid_count; i++) {
+ SLVAL(buf, offset, cnids->ca_cnids->dd_talloc_array[i]);
+ offset += 8;
+ }
+ }
+
+ return offset;
+}
+
+static int sl_pack_array(sl_array_t *array, char *buf, int offset, char *toc_buf, int *toc_idx)
+{
+ int count = talloc_array_length(array->dd_talloc_array);
+ int octets = (offset + SL_OFFSET_DELTA) / 8;
+
+ LOG(log_maxdebug, logtype_sl, "sl_pack_array: count: %d, offset:%d, octets: %d", count, offset, octets);
+
+ SLVAL(toc_buf, *toc_idx * 8, sl_pack_tag(SQ_CPX_TYPE_ARRAY, octets, count));
+ SLVAL(buf, offset, sl_pack_tag(SQ_TYPE_COMPLEX, 1, *toc_idx + 1));
+ *toc_idx += 1;
+ offset += 8;
+
+ offset = sl_pack_loop(array, buf, offset, toc_buf, toc_idx);
+
+ return offset;
+}
+
+static int sl_pack_dict(sl_array_t *dict, char *buf, int offset, char *toc_buf, int *toc_idx)
+{
+ SLVAL(toc_buf, *toc_idx * 8, sl_pack_tag(SQ_CPX_TYPE_DICT, (offset + SL_OFFSET_DELTA) / 8, talloc_array_length(dict->dd_talloc_array)));
+ SLVAL(buf, offset, sl_pack_tag(SQ_TYPE_COMPLEX, 1, *toc_idx + 1));
+ *toc_idx += 1;
+ offset += 8;
+
+ offset = sl_pack_loop(dict, buf, offset, toc_buf, toc_idx);
+
+ return offset;
+}
+
+static int sl_pack_string(char **string, char *buf, int offset, char *toc_buf, int *toc_idx)
+{
+ int len, octets, used_in_last_octet;
+ char *s = *string;
+ len = strlen(s);
+ octets = (len / 8) + (len & 7 ? 1 : 0);
+ used_in_last_octet = 8 - (octets * 8 - len);
+
+ LOG(log_maxdebug, logtype_sl, "sl_pack_string(\"%s\"): len: %d, octets: %d, used_in_last_octet: %d",
+ s, len, octets, used_in_last_octet);
+
+ SLVAL(toc_buf, *toc_idx * 8, sl_pack_tag(SQ_CPX_TYPE_STRING, (offset + SL_OFFSET_DELTA) / 8, used_in_last_octet));
+ SLVAL(buf, offset, sl_pack_tag(SQ_TYPE_COMPLEX, 1, *toc_idx + 1));
+ *toc_idx += 1;
+ offset += 8;
+
+ SLVAL(buf, offset, sl_pack_tag(SQ_TYPE_DATA, octets + 1, used_in_last_octet));
+ offset += 8;
+
+ memset(buf + offset, 0, octets * 8);
+ strncpy(buf + offset, s, len);
+ offset += octets * 8;
+
+ return offset;
+}
+
+static int sl_pack_loop(DALLOC_CTX *query, char *buf, int offset, char *toc_buf, int *toc_idx)
+{
+ const char *type;
+
+ for (int n = 0; n < talloc_array_length(query->dd_talloc_array); n++) {
+
+ type = talloc_get_name(query->dd_talloc_array[n]);
+
+ if (STRCMP(type, ==, "sl_array_t")) {
+ offset = sl_pack_array(query->dd_talloc_array[n], buf, offset, toc_buf, toc_idx);
+ } else if (STRCMP(type, ==, "sl_dict_t")) {
+ offset = sl_pack_dict(query->dd_talloc_array[n], buf, offset, toc_buf, toc_idx);
+ } else if (STRCMP(type, ==, "uint64_t")) {
+ uint64_t i;
+ memcpy(&i, query->dd_talloc_array[n], sizeof(uint64_t));
+ offset = sl_pack_uint64(i, buf, offset);
+ } else if (STRCMP(type, ==, "char *")) {
+ offset = sl_pack_string(query->dd_talloc_array[n], buf, offset, toc_buf, toc_idx);
+ } else if (STRCMP(type, ==, "sl_bool_t")) {
+ sl_bool_t bl;
+ memcpy(&bl, query->dd_talloc_array[n], sizeof(sl_bool_t));
+ offset = sl_pack_bool(bl, buf, offset);
+ } else if (STRCMP(type, ==, "double")) {
+ double d;
+ memcpy(&d, query->dd_talloc_array[n], sizeof(double));
+ offset = sl_pack_float(d, buf, offset);
+ } else if (STRCMP(type, ==, "sl_nil_t")) {
+ offset = sl_pack_nil(buf, offset);
+ } else if (STRCMP(type, ==, "sl_time_t")) {
+ sl_time_t t;
+ memcpy(&t, query->dd_talloc_array[n], sizeof(sl_time_t));
+ offset = sl_pack_date(t, buf, offset);
+ } else if (STRCMP(type, ==, "sl_uuid_t")) {
+ offset = sl_pack_uuid(query->dd_talloc_array[n], buf, offset);
+ } else if (STRCMP(type, ==, "sl_cnids_t")) {
+ offset = sl_pack_CNID(query->dd_talloc_array[n], buf, offset, toc_buf, toc_idx);
+ }
+ }
+
+ return offset;
+}
+
+/**************************************************************************************************
+ * unmarshalling functions
+ **************************************************************************************************/
+
+static uint64_t sl_unpack_uint64(const char *buf, int offset, uint encoding)
+{
+ if (encoding == SL_ENC_LITTLE_ENDIAN)
+ return LVAL(buf, offset);
+ else
+ return RLVAL(buf, offset);
+}
+
+static int sl_unpack_ints(DALLOC_CTX *query, const char *buf, int offset, uint encoding)
+{
+ int count, i;
+ uint64_t query_data64;
+
+ query_data64 = sl_unpack_uint64(buf, offset, encoding);
+ count = query_data64 >> 32;
+ offset += 8;
+
+ i = 0;
+ while (i++ < count) {
+ query_data64 = sl_unpack_uint64(buf, offset, encoding);
+ dalloc_add(query, &query_data64, uint64_t);
+ offset += 8;
+ }
+
+ return count;
+}
+
+static int sl_unpack_date(DALLOC_CTX *query, const char *buf, int offset, uint encoding)
+{
+ int count, i;
+ uint64_t query_data64;
+ sl_time_t t;
+
+ query_data64 = sl_unpack_uint64(buf, offset, encoding);
+ count = query_data64 >> 32;
+ offset += 8;
+
+ i = 0;
+ while (i++ < count) {
+ query_data64 = sl_unpack_uint64(buf, offset, encoding) >> 24;
+ t.tv_sec = query_data64 - SPOTLIGHT_TIME_DELTA;
+ t.tv_usec = 0;
+ dalloc_add(query, &t, sl_time_t);
+ offset += 8;
+ }
+
+ return count;
+}
+
+static int sl_unpack_uuid(DALLOC_CTX *query, const char *buf, int offset, uint encoding)
+{
+ int count, i;
+ uint64_t query_data64;
+ sl_uuid_t uuid;
+ query_data64 = sl_unpack_uint64(buf, offset, encoding);
+ count = query_data64 >> 32;
+ offset += 8;
+
+ i = 0;
+ while (i++ < count) {
+ memcpy(uuid.sl_uuid, buf + offset, 16);
+ dalloc_add(query, &uuid, sl_uuid_t);
+ offset += 16;
+ }
+
+ return count;
+}
+
+static int sl_unpack_floats(DALLOC_CTX *query, const char *buf, int offset, uint encoding)
+{
+ int count, i;
+ uint64_t query_data64;
+ double fval;
+ union {
+ double d;
+ uint32_t w[2];
+ } ieee_fp_union;
+
+ query_data64 = sl_unpack_uint64(buf, offset, encoding);
+ count = query_data64 >> 32;
+ offset += 8;
+
+ i = 0;
+ while (i++ < count) {
+ if (encoding == SL_ENC_LITTLE_ENDIAN) {
+#ifdef WORDS_BIGENDIAN
+ ieee_fp_union.w[0] = IVAL(buf, offset + 4);
+ ieee_fp_union.w[1] = IVAL(buf, offset);
+#else
+ ieee_fp_union.w[0] = IVAL(buf, offset);
+ ieee_fp_union.w[1] = IVAL(buf, offset + 4);
+#endif
+ } else {
+#ifdef WORDS_BIGENDIAN
+ ieee_fp_union.w[0] = RIVAL(buf, offset);
+ ieee_fp_union.w[1] = RIVAL(buf, offset + 4);
+#else
+ ieee_fp_union.w[0] = RIVAL(buf, offset + 4);
+ ieee_fp_union.w[1] = RIVAL(buf, offset);
+#endif
+ }
+ dalloc_add(query, &ieee_fp_union.d, double);
+ offset += 8;
+ }
+
+ return count;
+}
+
+static int sl_unpack_CNID(DALLOC_CTX *query, const char *buf, int offset, int length, uint encoding)
+{
+ EC_INIT;
+ int count;
+ uint64_t query_data64;
+ sl_cnids_t cnids;
+
+ EC_NULL( cnids.ca_cnids = talloc_zero(query, DALLOC_CTX) );
+
+ if (length <= 16)
+ /* that's permitted, it's an empty array */
+ goto EC_CLEANUP;
+
+ query_data64 = sl_unpack_uint64(buf, offset, encoding);
+ count = query_data64 & 0xffff;
+
+ cnids.ca_unkn1 = (query_data64 & 0xffff0000) >> 16;
+ cnids.ca_context = query_data64 >> 32;
+
+ offset += 8;
+
+ while (count --) {
+ query_data64 = sl_unpack_uint64(buf, offset, encoding);
+ dalloc_add(cnids.ca_cnids, &query_data64, uint64_t);
+ offset += 8;
+ }
+
+ dalloc_add(query, &cnids, sl_cnids_t);
+
+EC_CLEANUP:
+ EC_EXIT;
+}
+
+static const char *spotlight_get_qtype_string(uint64_t query_type)
+{
+ switch (query_type) {
+ case SQ_TYPE_NULL:
+ return "null";
+ case SQ_TYPE_COMPLEX:
+ return "complex";
+ case SQ_TYPE_INT64:
+ return "int64";
+ case SQ_TYPE_BOOL:
+ return "bool";
+ case SQ_TYPE_FLOAT:
+ return "float";
+ case SQ_TYPE_DATA:
+ return "data";
+ case SQ_TYPE_CNIDS:
+ return "CNIDs";
+ default:
+ return "unknown";
+ }
+}
+
+static const char *spotlight_get_cpx_qtype_string(uint64_t cpx_query_type)
+{
+ switch (cpx_query_type) {
+ case SQ_CPX_TYPE_ARRAY:
+ return "array";
+ case SQ_CPX_TYPE_STRING:
+ return "string";
+ case SQ_CPX_TYPE_UTF16_STRING:
+ return "utf-16 string";
+ case SQ_CPX_TYPE_DICT:
+ return "dictionary";
+ case SQ_CPX_TYPE_CNIDS:
+ return "CNIDs";
+ case SQ_CPX_TYPE_FILEMETA:
+ return "FileMeta";
+ default:
+ return "unknown";
+ }
+}
+
+static int spotlight_dissect_loop(DALLOC_CTX *query,
+ const char *buf,
+ uint offset,
+ uint count,
+ const uint toc_offset,
+ const uint encoding)
+{
+ EC_INIT;
+ int i, toc_index, query_length;
+ uint subcount, cpx_query_type, cpx_query_count;
+ uint64_t query_data64, query_type;
+ uint unicode_encoding;
+ uint8_t mark_exists;
+ char *p;
+ int padding, slen;
+
+ while (count > 0 && (offset < toc_offset)) {
+ query_data64 = sl_unpack_uint64(buf, offset, encoding);
+ query_length = (query_data64 & 0xffff) * 8;
+ query_type = (query_data64 & 0xffff0000) >> 16;
+ if (query_length == 0)
+ EC_FAIL;
+
+ switch (query_type) {
+ case SQ_TYPE_COMPLEX:
+ toc_index = (query_data64 >> 32) - 1;
+ query_data64 = sl_unpack_uint64(buf, toc_offset + toc_index * 8, encoding);
+ cpx_query_type = (query_data64 & 0xffff0000) >> 16;
+ cpx_query_count = query_data64 >> 32;
+
+ switch (cpx_query_type) {
+ case SQ_CPX_TYPE_ARRAY: {
+ sl_array_t *sl_arrary = talloc_zero(query, sl_array_t);
+ EC_NEG1_LOG( offset = spotlight_dissect_loop(sl_arrary, buf, offset + 8, cpx_query_count, toc_offset, encoding) );
+ dalloc_add(query, sl_arrary, sl_array_t);
+ break;
+ }
+
+ case SQ_CPX_TYPE_DICT: {
+ sl_dict_t *sl_dict = talloc_zero(query, sl_dict_t);
+ EC_NEG1_LOG( offset = spotlight_dissect_loop(sl_dict, buf, offset + 8, cpx_query_count, toc_offset, encoding) );
+ dalloc_add(query, sl_dict, sl_dict_t);
+ break;
+ }
+ case SQ_CPX_TYPE_STRING:
+ query_data64 = sl_unpack_uint64(buf, offset + 8, encoding);
+ query_length += (query_data64 & 0xffff) * 8;
+ if ((padding = 8 - (query_data64 >> 32)) < 0)
+ EC_FAIL;
+ if ((slen = query_length - 16 - padding) < 1)
+ EC_FAIL;
+ p = talloc_strndup(query, buf + offset + 16, slen);
+ dalloc_add(query, &p, char *);
+ break;
+
+ case SQ_CPX_TYPE_UTF16_STRING:
+ query_data64 = sl_unpack_uint64(buf, offset + 8, encoding);
+ query_length += (query_data64 & 0xffff) * 8;
+ if ((padding = 8 - (query_data64 >> 32)) < 0)
+ EC_FAIL;
+ if ((slen = query_length - 16 - padding) < 1)
+ EC_FAIL;
+
+ unicode_encoding = spotlight_get_utf16_string_encoding(buf, offset + 16, slen, encoding);
+ mark_exists = (unicode_encoding & SL_ENC_UTF_16);
+ unicode_encoding &= ~SL_ENC_UTF_16;
+
+ EC_NEG1( convert_string_allocate(CH_UCS2, CH_UTF8, buf + offset + (mark_exists ? 18 : 16), slen, &p) );
+ dalloc_add(query, &p, char *);
+ break;
+
+ case SQ_CPX_TYPE_FILEMETA:
+ query_data64 = sl_unpack_uint64(buf, offset + 8, encoding);
+ query_length += (query_data64 & 0xffff) * 8;
+
+ if (query_length <= 8) {
+ EC_FAIL_LOG("SQ_CPX_TYPE_FILEMETA: query_length <= 8%s", "");
+ } else {
+ EC_NEG1_LOG( sl_unpack(query, buf + offset + 16) );
+ }
+ break;
+
+ case SQ_CPX_TYPE_CNIDS:
+ query_data64 = sl_unpack_uint64(buf, offset + 8, encoding);
+ query_length += (query_data64 & 0xffff) * 8;
+ EC_NEG1_LOG( sl_unpack_CNID(query, buf, offset + 16, query_length, encoding) );
+ break;
+ } /* switch (cpx_query_type) */
+
+ count--;
+ break;
+
+ case SQ_TYPE_NULL: {
+ subcount = query_data64 >> 32;
+ if (subcount > 64)
+ EC_FAIL;
+ sl_nil_t nil = 0;
+ for (i = 0; i < subcount; i++)
+ dalloc_add(query, &nil, sl_nil_t);
+ count -= subcount;
+ break;
+ }
+ case SQ_TYPE_BOOL: {
+ sl_bool_t b = query_data64 >> 32;
+ dalloc_add(query, &b, sl_bool_t);
+ count--;
+ break;
+ }
+ case SQ_TYPE_INT64:
+ EC_NEG1_LOG( subcount = sl_unpack_ints(query, buf, offset, encoding) );
+ count -= subcount;
+ break;
+ case SQ_TYPE_UUID:
+ EC_NEG1_LOG( subcount = sl_unpack_uuid(query, buf, offset, encoding) );
+ count -= subcount;
+ break;
+ case SQ_TYPE_FLOAT:
+ EC_NEG1_LOG( subcount = sl_unpack_floats(query, buf, offset, encoding) );
+ count -= subcount;
+ break;
+ case SQ_TYPE_DATE:
+ EC_NEG1_LOG( subcount = sl_unpack_date(query, buf, offset, encoding) );
+ count -= subcount;
+ break;
+ default:
+ EC_FAIL;
+ }
+
+ offset += query_length;
+ }
+
+EC_CLEANUP:
+ if (ret != 0) {
+ offset = -1;
+ }
+ return offset;
+}
+
+/**************************************************************************************************
+ * Global functions for packing und unpacking
+ **************************************************************************************************/
+
+#define MAX_SLQ_DAT 65000
+#define MAX_SLQ_TOC 2048
+
+int sl_pack(DALLOC_CTX *query, char *buf)
+{
+ EC_INIT;
+ char toc_buf[MAX_SLQ_TOC];
+ int toc_index = 0;
+ int len = 0;
+
+ memcpy(buf, "432130dm", 8);
+ EC_NEG1_LOG( len = sl_pack_loop(query, buf + 16, 0, toc_buf + 8, &toc_index) );
+ SIVAL(buf, 8, len / 8 + 1 + toc_index + 1);
+ SIVAL(buf, 12, len / 8 + 1);
+
+ SLVAL(toc_buf, 0, sl_pack_tag(SQ_TYPE_TOC, toc_index + 1, 0));
+ memcpy(buf + 16 + len, toc_buf, (toc_index + 1 ) * 8);
+
+ len += 16 + (toc_index + 1 ) * 8;
+
+EC_CLEANUP:
+ if (ret != 0)
+ len = -1;
+ return len;
+}
+
+int sl_unpack(DALLOC_CTX *query, const char *buf)
+{
+ EC_INIT;
+ int encoding, i, toc_entries;
+ uint64_t toc_offset, tquerylen, toc_entry;
+
+ if (strncmp(buf, "md031234", 8) == 0)
+ encoding = SL_ENC_BIG_ENDIAN;
+ else
+ encoding = SL_ENC_LITTLE_ENDIAN;
+
+ buf += 8;
+
+ toc_offset = ((sl_unpack_uint64(buf, 0, encoding) >> 32) - 1 ) * 8;
+ if (toc_offset < 0 || (toc_offset > 65000)) {
+ EC_FAIL;
+ }
+
+ buf += 8;
+
+ toc_entries = (int)(sl_unpack_uint64(buf, toc_offset, encoding) & 0xffff);
+
+ EC_NEG1( spotlight_dissect_loop(query, buf, 0, 1, toc_offset + 8, encoding) );
+
+EC_CLEANUP:
+ EC_EXIT;
+}
projects / netatalk.git / commitdiff