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-rw-r--r--src/bplist.c73
1 files changed, 36 insertions, 37 deletions
diff --git a/src/bplist.c b/src/bplist.c
index 94d7458..187d516 100644
--- a/src/bplist.c
+++ b/src/bplist.c
@@ -43,8 +43,8 @@
enum {
BPLIST_NULL = 0x00,
- BPLIST_TRUE = 0x08,
- BPLIST_FALSE = 0x09,
+ BPLIST_FALSE = 0x08,
+ BPLIST_TRUE = 0x09,
BPLIST_FILL = 0x0F, /* will be used for length grabbing */
BPLIST_UINT = 0x10,
BPLIST_REAL = 0x20,
@@ -61,6 +61,7 @@ enum {
static void byte_convert(char *address, size_t size)
{
+#if G_BYTE_ORDER == G_LITTLE_ENDIAN
uint8_t i = 0, j = 0;
char tmp = '\0';
@@ -70,19 +71,23 @@ static void byte_convert(char *address, size_t size)
address[i] = address[j];
address[j] = tmp;
}
+#endif
}
-#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) ))
+ n == 8 ? GUINT64_FROM_BE( *(uint64_t *)(x) ) : \
+ (n == 4 ? GUINT32_FROM_BE( *(uint32_t *)(x) ) : \
+ (n == 2 ? GUINT16_FROM_BE( *(uint16_t *)(x) ) : *(uint8_t *)(x) ))
-#define be64dec(x) bswap_64( *(uint64_t*)(x) )
+#define be64dec(x) GUINT64_FROM_BE( *(uint64_t*)(x) )
#define get_needed_bytes(x) (x <= 1<<8 ? 1 : ( x <= 1<<16 ? 2 : ( x <= (uint64_t)1<<32 ? 4 : 8)))
#define get_real_bytes(x) (x >> 32 ? 4 : 8)
+
+
+
+
static plist_t parse_uint_node(char *bnode, uint8_t size, char **next_object)
{
plist_data_t data = plist_new_plist_data();
@@ -90,19 +95,11 @@ static plist_t parse_uint_node(char *bnode, uint8_t size, char **next_object)
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);
+ data->intval = swap_n_bytes(&data->intval, size);
break;
default:
free(data);
@@ -160,7 +157,7 @@ static plist_t parse_unicode_node(char *bnode, uint8_t size)
return g_node_new(data);
}
-static plist_t parse_data_node(char *bnode, uint64_t size, uint32_t ref_size)
+static plist_t parse_data_node(char *bnode, uint64_t size)
{
plist_data_t data = plist_new_plist_data();
@@ -252,7 +249,7 @@ static plist_t parse_bin_node(char *object, uint8_t dict_size, char **next_objec
return NULL;
size = plist_get_node_uint_val(size_node);
}
- return parse_data_node(object, size, dict_size);
+ return parse_data_node(object, size);
case BPLIST_STRING:
if (0x0F == size) {
@@ -292,7 +289,8 @@ static plist_t parse_bin_node(char *object, uint8_t dict_size, char **next_objec
size = plist_get_node_uint_val(size_node);
}
return parse_dict_node(object, size, dict_size);
-
+ default:
+ return NULL;
}
return NULL;
}
@@ -324,11 +322,13 @@ static gpointer copy_plist_data(gconstpointer src, gpointer data)
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;
-
+ case PLIST_DICT:
+ dstdata->buff = (char *) malloc(sizeof(char *) * srcdata->length * 2);
+ memcpy(dstdata->buff, srcdata->buff, sizeof(char *) * srcdata->length * 2);
+ break;
default:
break;
}
@@ -408,14 +408,14 @@ void plist_from_bin(const char *plist_bin, uint32_t length, plist_t * plist)
//first one is actually a key
plist_get_data(nodeslist[index1])->type = PLIST_KEY;
- if (index1 >= 0 && index1 < num_objects) {
+ if (index1 < num_objects) {
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 (index2 >= 0 && index2 < num_objects) {
+ if (index2 < num_objects) {
if (G_NODE_IS_ROOT(nodeslist[index2]))
g_node_append(nodeslist[i], nodeslist[index2]);
else
@@ -432,7 +432,7 @@ void plist_from_bin(const char *plist_bin, uint32_t length, plist_t * plist)
str_j = j * dict_param_size;
index1 = swap_n_bytes(data->buff + str_j, dict_param_size);
- if (index1 >= 0 && index1 < num_objects) {
+ if (index1 < num_objects) {
if (G_NODE_IS_ROOT(nodeslist[index1]))
g_node_append(nodeslist[i], nodeslist[index1]);
else
@@ -574,7 +574,7 @@ static void serialize_plist(GNode * node, gpointer data)
#define Log2(x) (x == 8 ? 3 : (x == 4 ? 2 : (x == 2 ? 1 : 0)))
-void write_int(GByteArray * bplist, uint64_t val)
+static 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);
@@ -639,7 +639,7 @@ static void write_array(GByteArray * bplist, GNode * node, GHashTable * ref_tabl
uint8_t *buff = (uint8_t *) malloc(size * dict_param_size);
GNode *cur = NULL;
- int i = 0;
+ uint64_t 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);
@@ -669,7 +669,7 @@ static void write_dict(GByteArray * bplist, GNode * node, GHashTable * ref_table
uint8_t *buff = (uint8_t *) malloc(size * 2 * dict_param_size);
GNode *cur = NULL;
- int i = 0;
+ uint64_t 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);
@@ -716,9 +716,8 @@ void plist_to_bin(plist_t plist, char **plist_bin, uint32_t * length)
g_byte_array_append(bplist_buff, BPLIST_VERSION, BPLIST_VERSION_SIZE);
//write objects and table
- int i = 0;
+ uint64_t i = 0;
uint8_t *buff = NULL;
- uint8_t size = 0;
uint64_t offsets[num_objects];
for (i = 0; i < num_objects; i++) {
@@ -768,17 +767,17 @@ void plist_to_bin(plist_t plist, char **plist_bin, uint32_t * length)
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);
+ uint8_t *offsetbuff = (uint8_t *) malloc(offset_size);
+ memcpy(offsetbuff, offsets + i, offset_size);
+ byte_convert(offsetbuff, offset_size);
+ g_byte_array_append(bplist_buff, offsetbuff, offset_size);
+ free(offsetbuff);
}
//setup trailer
- num_objects = bswap_64(num_objects);
- root_object = bswap_64(root_object);
- offset_table_index = bswap_64(offset_table_index);
+ num_objects = GUINT64_FROM_BE(num_objects);
+ root_object = GUINT64_FROM_BE(root_object);
+ offset_table_index = GUINT64_FROM_BE(offset_table_index);
char trailer[BPLIST_TRL_SIZE];
memcpy(trailer + BPLIST_TRL_OFFSIZE_IDX, &offset_size, sizeof(uint8_t));
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