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author | Jonathan Beck | 2008-12-13 18:12:46 +0100 |
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committer | Jonathan Beck | 2008-12-13 18:12:46 +0100 |
commit | 4301ef9bb8e9d06ffa4e9172191d58ede5e16f5d (patch) | |
tree | 75404446e2fa36e7747fb07750127cfcaefd190a /src/bplist.c | |
parent | 3d8ba053deeacd74e621469d3d45d1db38ee411a (diff) | |
download | libimobiledevice-4301ef9bb8e9d06ffa4e9172191d58ede5e16f5d.tar.gz libimobiledevice-4301ef9bb8e9d06ffa4e9172191d58ede5e16f5d.tar.bz2 |
fork out plist stuff in libplist and migrate libiphone to use it.
Diffstat (limited to 'src/bplist.c')
-rw-r--r-- | src/bplist.c | 793 |
1 files changed, 0 insertions, 793 deletions
diff --git a/src/bplist.c b/src/bplist.c deleted file mode 100644 index a5b1c9b..0000000 --- a/src/bplist.c +++ /dev/null @@ -1,793 +0,0 @@ -/* - * plist.c - * Binary plist implementation - * - * Copyright (c) 2008 Jonathan Beck All Rights Reserved. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * This library 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 - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - - -#include "plist.h" -#include <wchar.h> -#include <stdlib.h> -#include <stdio.h> -#include <string.h> - -/* Magic marker and size. */ -#define BPLIST_MAGIC "bplist" -#define BPLIST_MAGIC_SIZE 6 - -#define BPLIST_VERSION "00" -#define BPLIST_VERSION_SIZE 2 - - -#define BPLIST_TRL_SIZE 26 -#define BPLIST_TRL_OFFSIZE_IDX 0 -#define BPLIST_TRL_PARMSIZE_IDX 1 -#define BPLIST_TRL_NUMOBJ_IDX 2 -#define BPLIST_TRL_ROOTOBJ_IDX 10 -#define BPLIST_TRL_OFFTAB_IDX 18 - -enum { - BPLIST_NULL = 0x00, - BPLIST_TRUE = 0x08, - BPLIST_FALSE = 0x09, - BPLIST_FILL = 0x0F, /* will be used for length grabbing */ - BPLIST_UINT = 0x10, - BPLIST_REAL = 0x20, - BPLIST_DATE = 0x30, - BPLIST_DATA = 0x40, - BPLIST_STRING = 0x50, - BPLIST_UNICODE = 0x60, - BPLIST_UID = 0x70, - BPLIST_ARRAY = 0xA0, - BPLIST_SET = 0xC0, - BPLIST_DICT = 0xD0, - BPLIST_MASK = 0xF0 -}; - -void byte_convert(char *address, size_t size) -{ - int i = 0, j = 0; - char tmp = '\0'; - - for (i = 0; i < (size / 2); i++) { - tmp = address[i]; - j = ((size - 1) + 0) - i; - address[i] = address[j]; - address[j] = tmp; - } -} - -#include <byteswap.h> -#define swap_n_bytes(x, n) \ - n == 8 ? bswap_64(*(uint64_t *)(x)) : \ - (n == 4 ? bswap_32(*(uint32_t *)(x)) : \ - (n == 2 ? bswap_16(*(uint16_t *)(x)) : *(x) )) - -#define be64dec(x) bswap_64( *(uint64_t*)(x) ) - -#define get_needed_bytes(x) (x <= 1<<8 ? 1 : ( x <= 1<<16 ? 2 : ( x <= 1<<32 ? 4 : 8))) -#define get_real_bytes(x) (x >> 32 ? 4 : 8) - -GNode *parse_uint_node(char *bnode, uint8_t size, char **next_object) -{ - struct plist_data *data = (struct plist_data *) calloc(sizeof(struct plist_data), 1); - - size = 1 << size; // make length less misleading - switch (size) { - case sizeof(uint8_t): - data->intval = bnode[0]; - break; - case sizeof(uint16_t): - memcpy(&data->intval, bnode, size); - data->intval = ntohs(data->intval); - break; - case sizeof(uint32_t): - memcpy(&data->intval, bnode, size); - data->intval = ntohl(data->intval); - break; - case sizeof(uint64_t): - memcpy(&data->intval, bnode, size); - byte_convert((char *) &data->intval, size); - break; - default: - free(data); - return NULL; - }; - - *next_object = bnode + size; - data->type = PLIST_UINT; - return g_node_new(data); -} - -GNode *parse_real_node(char *bnode, uint8_t size) -{ - struct plist_data *data = (struct plist_data *) calloc(sizeof(struct plist_data), 1); - - size = 1 << size; // make length less misleading - switch (size) { - case sizeof(float): - memcpy(&data->realval, bnode, size); - byte_convert((char *) &data->realval, size); - break; - case sizeof(double): - memcpy(&data->realval, bnode, size); - byte_convert((char *) &data->realval, size); - break; - default: - free(data); - return NULL; - } - data->type = PLIST_REAL; - return g_node_new(data); -} - -GNode *parse_string_node(char *bnode, uint8_t size) -{ - struct plist_data *data = (struct plist_data *) calloc(sizeof(struct plist_data), 1); - - data->type = PLIST_STRING; - data->strval = (char *) malloc(sizeof(char) * (size + 1)); - memcpy(data->strval, bnode, size); - data->strval[size] = '\0'; - - return g_node_new(data); -} - -GNode *parse_unicode_node(char *bnode, uint8_t size) -{ - struct plist_data *data = (struct plist_data *) calloc(sizeof(struct plist_data), 1); - - data->type = PLIST_UNICODE; - data->unicodeval = (wchar_t *) malloc(sizeof(wchar_t) * (size + 1)); - memcpy(data->unicodeval, bnode, size); - data->unicodeval[size] = '\0'; - - return g_node_new(data); -} - -GNode *parse_data_node(char *bnode, uint64_t size, uint32_t ref_size) -{ - struct plist_data *data = (struct plist_data *) calloc(sizeof(struct plist_data), 1); - - data->type = PLIST_DATA; - data->length = size; - data->buff = (char *) malloc(sizeof(char) * size); - memcpy(data->buff, bnode, sizeof(char) * size); - - return g_node_new(data); -} - -GNode *parse_dict_node(char *bnode, uint64_t size, uint32_t ref_size) -{ - struct plist_data *data = (struct plist_data *) calloc(sizeof(struct plist_data), 1); - - data->type = PLIST_DICT; - data->length = size; - data->buff = (char *) malloc(sizeof(char) * size * ref_size * 2); - memcpy(data->buff, bnode, sizeof(char) * size * ref_size * 2); - - return g_node_new(data); -} - -GNode *parse_array_node(char *bnode, uint64_t size, uint32_t ref_size) -{ - struct plist_data *data = (struct plist_data *) calloc(sizeof(struct plist_data), 1); - - data->type = PLIST_ARRAY; - data->length = size; - data->buff = (char *) malloc(sizeof(char) * size * ref_size); - memcpy(data->buff, bnode, sizeof(char) * size * ref_size); - - return g_node_new(data); -} - - - -GNode *parse_bin_node(char *object, uint8_t dict_size, char **next_object) -{ - if (!object) - return NULL; - - uint16_t type = *object & 0xF0; - uint64_t size = *object & 0x0F; - object++; - - switch (type) { - - case BPLIST_NULL: - switch (size) { - - case BPLIST_TRUE: - { - struct plist_data *data = (struct plist_data *) calloc(sizeof(struct plist_data), 1); - data->type = PLIST_BOOLEAN; - data->boolval = TRUE; - return g_node_new(data); - } - - case BPLIST_FALSE: - { - struct plist_data *data = (struct plist_data *) calloc(sizeof(struct plist_data), 1); - data->type = PLIST_BOOLEAN; - data->boolval = FALSE; - return g_node_new(data); - } - - case BPLIST_NULL: - default: - return NULL; - } - - case BPLIST_UINT: - return parse_uint_node(object, size, next_object); - - case BPLIST_REAL: - return parse_real_node(object, size); - - case BPLIST_DATE: - if (3 != size) - return NULL; - else - return parse_real_node(object, size); - - case BPLIST_DATA: - if (0x0F == size) { - plist_t size_node = parse_bin_node(object, dict_size, &object); - if (plist_get_node_type(size_node) != PLIST_UINT) - return NULL; - size = plist_get_node_uint_val(size_node); - } - return parse_data_node(object, size, dict_size); - - case BPLIST_STRING: - if (0x0F == size) { - plist_t size_node = parse_bin_node(object, dict_size, &object); - if (plist_get_node_type(size_node) != PLIST_UINT) - return NULL; - size = plist_get_node_uint_val(size_node); - } - return parse_string_node(object, size); - - case BPLIST_UNICODE: - if (0x0F == size) { - plist_t size_node = parse_bin_node(object, dict_size, &object); - if (plist_get_node_type(size_node) != PLIST_UINT) - return NULL; - size = plist_get_node_uint_val(size_node); - } - return parse_unicode_node(object, size); - - case BPLIST_UID: - case BPLIST_ARRAY: - if (0x0F == size) { - plist_t size_node = parse_bin_node(object, dict_size, &object); - if (plist_get_node_type(size_node) != PLIST_UINT) - return NULL; - size = plist_get_node_uint_val(size_node); - } - return parse_array_node(object, size, dict_size); - - case BPLIST_SET: - case BPLIST_DICT: - if (0x0F == size) { - plist_t size_node = parse_bin_node(object, dict_size, &object); - if (plist_get_node_type(size_node) != PLIST_UINT) - return NULL; - object++; - size = plist_get_node_uint_val(size_node); - } - return parse_dict_node(object, size, dict_size); - - } - return NULL; -} - -gpointer copy_plist_data(gconstpointer src, gpointer data) -{ - struct plist_data *srcdata = (struct plist_data *) src; - struct plist_data *dstdata = (struct plist_data *) calloc(sizeof(struct plist_data), 1); - - dstdata->type = srcdata->type; - dstdata->length = srcdata->length; - switch (dstdata->type) { - case PLIST_BOOLEAN: - dstdata->boolval = srcdata->boolval; - break; - case PLIST_UINT: - dstdata->intval = srcdata->intval; - break; - case PLIST_DATE: - case PLIST_REAL: - dstdata->realval = srcdata->realval; - break; - case PLIST_KEY: - case PLIST_STRING: - dstdata->strval = strdup(srcdata->strval); - break; - case PLIST_UNICODE: - dstdata->unicodeval = wcsdup(srcdata->unicodeval); - break; - case PLIST_DATA: - case PLIST_ARRAY: - case PLIST_DICT: - dstdata->buff = (char *) malloc(sizeof(char *) * srcdata->length); - memcpy(dstdata->buff, srcdata->buff, sizeof(char *) * srcdata->length); - break; - - default: - break; - } - - return dstdata; -} - -void bin_to_plist(const char *plist_bin, uint32_t length, plist_t * plist) -{ - //first check we have enough data - if (!(length >= BPLIST_MAGIC_SIZE + BPLIST_VERSION_SIZE + BPLIST_TRL_SIZE)) - return; - //check that plist_bin in actually a plist - if (memcmp(plist_bin, BPLIST_MAGIC, BPLIST_MAGIC_SIZE) != 0) - return; - //check for known version - if (memcmp(plist_bin + BPLIST_MAGIC_SIZE, BPLIST_VERSION, BPLIST_VERSION_SIZE) != 0) - return; - - //now parse trailer - const char *trailer = plist_bin + (length - BPLIST_TRL_SIZE); - - uint8_t offset_size = trailer[BPLIST_TRL_OFFSIZE_IDX]; - uint8_t dict_param_size = trailer[BPLIST_TRL_PARMSIZE_IDX]; - uint64_t num_objects = be64dec(trailer + BPLIST_TRL_NUMOBJ_IDX); - uint64_t root_object = be64dec(trailer + BPLIST_TRL_ROOTOBJ_IDX); - uint64_t offset_table_index = be64dec(trailer + BPLIST_TRL_OFFTAB_IDX); - - log_debug_msg("Offset size: %i\n", offset_size); - log_debug_msg("Ref size: %i\n", dict_param_size); - log_debug_msg("Number of objects: %lli\n", num_objects); - log_debug_msg("Root object index: %lli\n", root_object); - log_debug_msg("Offset table index: %lli\n", offset_table_index); - - if (num_objects == 0) - return; - - //allocate serialized array of nodes - plist_t *nodeslist = NULL; - nodeslist = (plist_t *) malloc(sizeof(plist_t) * num_objects); - - if (!nodeslist) - return; - - //parse serialized nodes - uint64_t i = 0; - uint64_t current_offset = 0; - const char *offset_table = plist_bin + offset_table_index; - for (i = 0; i < num_objects; i++) { - current_offset = swap_n_bytes(offset_table + i * offset_size, offset_size); - - log_debug_msg("parse_nodes: current_offset = %i\n", current_offset); - char *obj = plist_bin + current_offset; - nodeslist[i] = parse_bin_node(obj, dict_param_size, &obj); - log_debug_msg("parse_nodes: parse_raw_node done\n"); - } - - //setup children for structured types - int j = 0, str_i = 0, str_j = 0; - uint32_t index1 = 0, index2 = 0; - - for (i = 0; i < num_objects; i++) { - - log_debug_msg("parse_nodes: on node %i\n", i); - struct plist_data *data = (struct plist_data *) nodeslist[i]->data; - - switch (data->type) { - case PLIST_DICT: - log_debug_msg("parse_nodes: dictionary found\n"); - for (j = 0; j < data->length; j++) { - str_i = j * dict_param_size; - str_j = (j + data->length) * dict_param_size; - - index1 = swap_n_bytes(data->buff + str_i, dict_param_size); - index2 = swap_n_bytes(data->buff + str_j, dict_param_size); - - //first one is actually a key - ((struct plist_data *) nodeslist[index1]->data)->type = PLIST_KEY; - - if (G_NODE_IS_ROOT(nodeslist[index1])) - g_node_append(nodeslist[i], nodeslist[index1]); - else - g_node_append(nodeslist[i], g_node_copy_deep(nodeslist[index1], copy_plist_data, NULL)); - - if (G_NODE_IS_ROOT(nodeslist[index2])) - g_node_append(nodeslist[i], nodeslist[index2]); - else - g_node_append(nodeslist[i], g_node_copy_deep(nodeslist[index2], copy_plist_data, NULL)); - } - - free(data->buff); - break; - - case PLIST_ARRAY: - log_debug_msg("parse_nodes: array found\n"); - for (j = 0; j < data->length; j++) { - str_j = j * dict_param_size; - index1 = swap_n_bytes(data->buff + str_j, dict_param_size); - - //g_node_append(nodeslist[i], nodeslist[index1]); - if (G_NODE_IS_ROOT(nodeslist[index1])) - g_node_append(nodeslist[i], nodeslist[index1]); - else - g_node_append(nodeslist[i], g_node_copy_deep(nodeslist[index1], copy_plist_data, NULL)); - } - free(data->buff); - break; - default: - break; - } - } - - *plist = nodeslist[root_object]; -} - -guint plist_data_hash(gconstpointer key) -{ - struct plist_data *data = (struct plist_data *) ((GNode *) key)->data; - - guint hash = data->type; - guint i = 0; - - char *buff = NULL; - guint size = 0; - - switch (data->type) { - case PLIST_BOOLEAN: - case PLIST_UINT: - case PLIST_REAL: - buff = (char *) &data->intval; - size = 8; - break; - case PLIST_KEY: - case PLIST_STRING: - buff = data->strval; - size = strlen(buff); - break; - case PLIST_UNICODE: - buff = data->unicodeval; - size = strlen(buff) * sizeof(wchar_t); - break; - case PLIST_DATA: - case PLIST_ARRAY: - case PLIST_DICT: - //for these types only hash pointer - buff = &key; - size = sizeof(gconstpointer); - break; - case PLIST_DATE: - default: - break; - } - - //now perform hash - for (i = 0; i < size; buff++, i++) - hash = hash << 7 ^ (*buff); - - return hash; -} - -gboolean plist_data_compare(gconstpointer a, gconstpointer b) -{ - if (!a || !b) - return FALSE; - - if (!((GNode *) a)->data || !((GNode *) b)->data) - return FALSE; - - struct plist_data *val_a = (struct plist_data *) ((GNode *) a)->data; - struct plist_data *val_b = (struct plist_data *) ((GNode *) b)->data; - - if (val_a->type != val_b->type) - return FALSE; - - switch (val_a->type) { - case PLIST_BOOLEAN: - case PLIST_UINT: - case PLIST_REAL: - if (val_a->intval == val_b->intval) //it is an union so this is sufficient - return TRUE; - else - return FALSE; - - case PLIST_KEY: - case PLIST_STRING: - if (!strcmp(val_a->strval, val_b->strval)) - return TRUE; - else - return FALSE; - case PLIST_UNICODE: - if (!strcmp(val_a->unicodeval, val_b->unicodeval)) - return TRUE; - else - return FALSE; - - case PLIST_DATA: - case PLIST_ARRAY: - case PLIST_DICT: - //compare pointer - if (a == b) - return TRUE; - else - return FALSE; - break; - case PLIST_DATE: - default: - break; - } - return FALSE; -} - -struct serialize_s { - GPtrArray *objects; - GHashTable *ref_table; -}; - -void serialize_plist(GNode * node, gpointer data) -{ - struct serialize_s *ser = (struct serialize_s *) data; - uint64_t current_index = ser->objects->len; - - //first check that node is not yet in objects - gpointer val = g_hash_table_lookup(ser->ref_table, node); - if (val) { - //data is already in table - return; - } - //insert new ref - g_hash_table_insert(ser->ref_table, node, GUINT_TO_POINTER(current_index)); - - //now append current node to object array - g_ptr_array_add(ser->objects, node); - - //now recurse on children - g_node_children_foreach(node, G_TRAVERSE_ALL, serialize_plist, data); - return; -} - -#define Log2(x) (x == 8 ? 3 : (x == 4 ? 2 : (x == 2 ? 1 : 0))) - -void write_int(GByteArray * bplist, uint64_t val) -{ - uint64_t size = get_needed_bytes(val); - uint8_t *buff = (uint8_t *) malloc(sizeof(uint8_t) + size); - buff[0] = BPLIST_UINT | Log2(size); - memcpy(buff + 1, &val, size); - byte_convert(buff + 1, size); - g_byte_array_append(bplist, buff, sizeof(uint8_t) + size); - free(buff); -} - -void write_real(GByteArray * bplist, double val) -{ - uint64_t size = get_real_bytes(*((uint64_t *) & val)); //cheat to know used space - uint8_t *buff = (uint8_t *) malloc(sizeof(uint8_t) + size); - buff[0] = BPLIST_REAL | Log2(size); - memcpy(buff + 1, &val, size); - byte_convert(buff + 1, size); - g_byte_array_append(bplist, buff, sizeof(uint8_t) + size); - free(buff); -} - -void write_raw_data(GByteArray * bplist, uint8_t mark, uint8_t * val, uint64_t size) -{ - uint8_t marker = mark | (size < 15 ? size : 0xf); - g_byte_array_append(bplist, &marker, sizeof(uint8_t)); - if (size >= 15) { - GByteArray *int_buff = g_byte_array_new(); - write_int(int_buff, size); - g_byte_array_append(bplist, int_buff->data, int_buff->len); - g_byte_array_free(int_buff, TRUE); - } - uint8_t *buff = (uint8_t *) malloc(size); - memcpy(buff, val, size); - g_byte_array_append(bplist, buff, size); - free(buff); -} - -void write_data(GByteArray * bplist, uint8_t * val, uint64_t size) -{ - write_raw_data(bplist, BPLIST_DATA, val, size); -} - -void write_string(GByteArray * bplist, char *val) -{ - uint64_t size = strlen(val); - write_raw_data(bplist, BPLIST_STRING, val, size); -} - -void write_array(GByteArray * bplist, GNode * node, GHashTable * ref_table, uint8_t dict_param_size) -{ - uint64_t size = g_node_n_children(node); - uint8_t marker = BPLIST_ARRAY | (size < 15 ? size : 0xf); - g_byte_array_append(bplist, &marker, sizeof(uint8_t)); - if (size >= 15) { - GByteArray *int_buff = g_byte_array_new(); - write_int(int_buff, size); - g_byte_array_append(bplist, int_buff->data, int_buff->len); - g_byte_array_free(int_buff, TRUE); - } - - uint64_t idx = 0; - uint8_t *buff = (uint8_t *) malloc(size * dict_param_size); - - GNode *cur = NULL; - int i = 0; - for (i = 0, cur = node->children; cur && i < size; cur = cur->next, i++) { - idx = GPOINTER_TO_UINT(g_hash_table_lookup(ref_table, cur)); - memcpy(buff + i * dict_param_size, &idx, dict_param_size); - byte_convert(buff + i * dict_param_size, dict_param_size); - } - - //now append to bplist - g_byte_array_append(bplist, buff, size * dict_param_size); - free(buff); - -} - -void write_dict(GByteArray * bplist, GNode * node, GHashTable * ref_table, uint8_t dict_param_size) -{ - uint64_t size = g_node_n_children(node) / 2; - uint8_t marker = BPLIST_DICT | (size < 15 ? size : 0xf); - g_byte_array_append(bplist, &marker, sizeof(uint8_t)); - if (size >= 15) { - GByteArray *int_buff = g_byte_array_new(); - write_int(int_buff, size); - g_byte_array_append(bplist, int_buff->data, int_buff->len); - g_byte_array_free(int_buff, TRUE); - } - - uint64_t idx1 = 0; - uint64_t idx2 = 0; - uint8_t *buff = (uint8_t *) malloc(size * 2 * dict_param_size); - - GNode *cur = NULL; - int i = 0; - for (i = 0, cur = node->children; cur && i < size; cur = cur->next->next, i++) { - idx1 = GPOINTER_TO_UINT(g_hash_table_lookup(ref_table, cur)); - memcpy(buff + i * dict_param_size, &idx1, dict_param_size); - byte_convert(buff + i * dict_param_size, dict_param_size); - - idx2 = GPOINTER_TO_UINT(g_hash_table_lookup(ref_table, cur->next)); - memcpy(buff + (i + size) * dict_param_size, &idx2, dict_param_size); - byte_convert(buff + (i + size) * dict_param_size, dict_param_size); - } - - //now append to bplist - g_byte_array_append(bplist, buff, size * 2 * dict_param_size); - free(buff); - -} - -void plist_to_bin(plist_t plist, char **plist_bin, uint32_t * length) -{ - //check for valid input - if (!plist || !plist_bin || *plist_bin || !length) - return; - - //list of objects - GPtrArray *objects = g_ptr_array_new(); - //hashtable to write only once same nodes - GHashTable *ref_table = g_hash_table_new(plist_data_hash, plist_data_compare); - - //serialize plist - struct serialize_s ser_s = { objects, ref_table }; - serialize_plist(plist, &ser_s); - - //now stream to output buffer - uint8_t offset_size = 0; //unknown yet - uint8_t dict_param_size = get_needed_bytes(objects->len); - uint64_t num_objects = objects->len; - uint64_t root_object = 0; //root is first in list - uint64_t offset_table_index = 0; //unknown yet - - //setup a dynamic bytes array to store bplist in - GByteArray *bplist_buff = g_byte_array_new(); - - //set magic number and version - g_byte_array_append(bplist_buff, BPLIST_MAGIC, BPLIST_MAGIC_SIZE); - g_byte_array_append(bplist_buff, BPLIST_VERSION, BPLIST_VERSION_SIZE); - - //write objects and table - int i = 0; - uint8_t *buff = NULL; - uint8_t size = 0; - uint64_t offsets[num_objects]; - for (i = 0; i < num_objects; i++) { - - offsets[i] = bplist_buff->len; - struct plist_data *data = (struct plist_data *) ((GNode *) g_ptr_array_index(objects, i))->data; - - switch (data->type) { - case PLIST_BOOLEAN: - buff = (uint8_t *) malloc(sizeof(uint8_t)); - buff[0] = data->boolval ? BPLIST_TRUE : BPLIST_FALSE; - g_byte_array_append(bplist_buff, buff, sizeof(uint8_t)); - free(buff); - break; - - case PLIST_UINT: - write_int(bplist_buff, data->intval); - break; - - case PLIST_REAL: - write_real(bplist_buff, data->realval); - break; - - case PLIST_KEY: - case PLIST_STRING: - write_string(bplist_buff, data->strval); - break; - case PLIST_UNICODE: - //TODO - break; - case PLIST_DATA: - write_data(bplist_buff, data->strval, data->length); - case PLIST_ARRAY: - write_array(bplist_buff, g_ptr_array_index(objects, i), ref_table, dict_param_size); - break; - case PLIST_DICT: - write_dict(bplist_buff, g_ptr_array_index(objects, i), ref_table, dict_param_size); - break; - case PLIST_DATE: - //TODO - break; - default: - break; - } - } - - //write offsets - offset_size = get_needed_bytes(bplist_buff->len); - offset_table_index = bplist_buff->len; - for (i = 0; i <= num_objects; i++) { - uint8_t *buff = (uint8_t *) malloc(offset_size); - memcpy(buff, offsets + i, offset_size); - byte_convert(buff, offset_size); - g_byte_array_append(bplist_buff, buff, offset_size); - free(buff); - } - - //setup trailer - num_objects = bswap_64(num_objects); - root_object = bswap_64(root_object); - offset_table_index = bswap_64(offset_table_index); - - char trailer[BPLIST_TRL_SIZE]; - memcpy(trailer + BPLIST_TRL_OFFSIZE_IDX, &offset_size, sizeof(uint8_t)); - memcpy(trailer + BPLIST_TRL_PARMSIZE_IDX, &dict_param_size, sizeof(uint8_t)); - memcpy(trailer + BPLIST_TRL_NUMOBJ_IDX, &num_objects, sizeof(uint64_t)); - memcpy(trailer + BPLIST_TRL_ROOTOBJ_IDX, &root_object, sizeof(uint64_t)); - memcpy(trailer + BPLIST_TRL_OFFTAB_IDX, &offset_table_index, sizeof(uint64_t)); - - g_byte_array_append(bplist_buff, trailer, BPLIST_TRL_SIZE); - - //duplicate buffer - *plist_bin = (char *) malloc(bplist_buff->len); - memcpy(*plist_bin, bplist_buff->data, bplist_buff->len); - *length = bplist_buff->len; - - g_byte_array_free(bplist_buff, TRUE); -} |