diff options
| -rw-r--r-- | src/Makefile.am | 4 | ||||
| -rw-r--r-- | src/initconf.c | 30 | ||||
| -rw-r--r-- | src/lockdown.c | 27 | ||||
| -rw-r--r-- | src/lockdown.h | 2 | ||||
| -rw-r--r-- | src/plist.c | 1118 | ||||
| -rw-r--r-- | src/plist.h | 15 |
6 files changed, 53 insertions, 1143 deletions
diff --git a/src/Makefile.am b/src/Makefile.am index 785aacf..82fd924 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -6,10 +6,10 @@ AM_LDFLAGS = $(libxml2_LIBS) $(libusb_LIBS) $(libglib2_LIBS) $(libgnutls_LIBS) $ bin_PROGRAMS = libiphone-initconf -libiphone_initconf_SOURCES = initconf.c userpref.c lockdown.c plist.c usbmux.c iphone.c utils.c +libiphone_initconf_SOURCES = initconf.c userpref.c utils.c libiphone_initconf_CFLAGS = $(libgthread2_CFLAGS) $(AM_CFLAGS) libiphone_initconf_LDFLAGS = $(libgthread2_LIBS) $(AM_LDFLAGS) lib_LTLIBRARIES = libiphone.la -libiphone_la_SOURCES = usbmux.c iphone.c plist.c lockdown.c AFC.c userpref.c utils.c +libiphone_la_SOURCES = usbmux.c iphone.c plist.c bplist.c xplist.c lockdown.c AFC.c userpref.c utils.c diff --git a/src/initconf.c b/src/initconf.c index 8aca2a6..00d78e2 100644 --- a/src/initconf.c +++ b/src/initconf.c @@ -28,7 +28,6 @@ #include "libiphone/libiphone.h" #include "userpref.h" -#include "lockdown.h" #include "utils.h" /** Generates a 2048 byte key, split into a function so that it can be run in a @@ -60,6 +59,35 @@ void progress_bar(gpointer mutex) g_thread_exit(0); } +int get_rand(int min, int max) +{ + int retval = (rand() % (max - min)) + min; + return retval; +} + +/** Generates a valid HostID (which is actually a UUID). + * + * @param A null terminated string containing a valid HostID. + */ +char *lockdownd_generate_hostid() +{ + char *hostid = (char *) malloc(sizeof(char) * 37); // HostID's are just UUID's, and UUID's are 36 characters long + const char *chars = "ABCDEF0123456789"; + srand(time(NULL)); + int i = 0; + + for (i = 0; i < 36; i++) { + if (i == 8 || i == 13 || i == 18 || i == 23) { + hostid[i] = '-'; + continue; + } else { + hostid[i] = chars[get_rand(0, 16)]; + } + } + hostid[36] = '\0'; // make it a real string + return hostid; +} + int main(int argc, char *argv[]) { GThread *progress_thread, *key_thread; diff --git a/src/lockdown.c b/src/lockdown.c index ae077b7..0957fa2 100644 --- a/src/lockdown.c +++ b/src/lockdown.c @@ -39,34 +39,7 @@ const ASN1_ARRAY_TYPE pkcs1_asn1_tab[] = { {0, 0, 0} }; -int get_rand(int min, int max) -{ - int retval = (rand() % (max - min)) + min; - return retval; -} -/** Generates a valid HostID (which is actually a UUID). - * - * @param A null terminated string containing a valid HostID. - */ -char *lockdownd_generate_hostid() -{ - char *hostid = (char *) malloc(sizeof(char) * 37); // HostID's are just UUID's, and UUID's are 36 characters long - const char *chars = "ABCDEF0123456789"; - srand(time(NULL)); - int i = 0; - - for (i = 0; i < 36; i++) { - if (i == 8 || i == 13 || i == 18 || i == 23) { - hostid[i] = '-'; - continue; - } else { - hostid[i] = chars[get_rand(0, 16)]; - } - } - hostid[36] = '\0'; // make it a real string - return hostid; -} /** Creates a lockdownd client for the give iPhone. * diff --git a/src/lockdown.h b/src/lockdown.h index 9176524..b75d4bf 100644 --- a/src/lockdown.h +++ b/src/lockdown.h @@ -40,8 +40,6 @@ struct iphone_lckd_client_int { int gtls_buffer_hack_len; }; -char *lockdownd_generate_hostid(); - iphone_lckd_client_t new_lockdownd_client(iphone_device_t phone); iphone_error_t lockdownd_hello(iphone_lckd_client_t control); iphone_error_t lockdownd_generic_get_value(iphone_lckd_client_t control, char *req_key, char *req_string, char **value); diff --git a/src/plist.c b/src/plist.c index 2a6d4bc..76ae954 100644 --- a/src/plist.c +++ b/src/plist.c @@ -28,101 +28,6 @@ #include <stdlib.h> #include <stdio.h> -/********************************************** -* * -* Abstract Plist stuff * -* * -**********************************************/ - - - - - - - -/** Formats a block of text to be a given indentation and width. - * - * The total width of the return string will be depth + cols. - * - * @param buf The string to format. - * @param cols The number of text columns for returned block of text. - * @param depth The number of tabs to indent the returned block of text. - * - * @return The formatted string. - */ -char *format_string(const char *buf, int cols, int depth) -{ - int colw = depth + cols + 1; - int len = strlen(buf); - int nlines = len / cols + 1; - char *new_buf = (char *) malloc(nlines * colw + depth + 1); - int i = 0; - int j = 0; - - assert(cols >= 0); - assert(depth >= 0); - - // Inserts new lines and tabs at appropriate locations - for (i = 0; i < nlines; i++) { - new_buf[i * colw] = '\n'; - for (j = 0; j < depth; j++) - new_buf[i * colw + 1 + j] = '\t'; - memcpy(new_buf + i * colw + 1 + depth, buf + i * cols, cols); - } - new_buf[len + (1 + depth) * nlines] = '\n'; - - // Inserts final row of indentation and termination character - for (j = 0; j < depth; j++) - new_buf[len + (1 + depth) * nlines + 1 + j] = '\t'; - new_buf[len + (1 + depth) * nlines + depth + 1] = '\0'; - - return new_buf; -} - - - - -/* - * Binary propertylist code follows - */ - - -/* - * This is how parsing a bplist is going to have to work: - * - The entire binary plist is going to have to be in memory. - * - A function, parse_nodes(), will have to be a recursive function - * which iterates over the binary plist and reads in elements into bplist_node structs - * and handles them accordingly. The end result should be a somewhat-hierarchical layout - * of bplist_nodes. - * - parse_nodes() will return the first node it encounters, which is usually the "root" node. - */ - - - -void print_bytes(char *val, size_t size) -{ - int i = 0; - for (i = 0; i < size; i++) { - printf("Byte %i: 0x%x\n", i, val[i]); - } -} - - - -struct plist_data { - union { - char boolval; - uint64_t intval; - double realval; - char *strval; - wchar_t *unicodeval; - char *buff; - }; - uint64_t length; - plist_type type; -}; - - void plist_new_plist(plist_t * plist) { @@ -205,683 +110,6 @@ void plist_free(plist_t plist) g_node_destroy(plist); } -/********************************************** -* * -* Xml Plist stuff * -* * -**********************************************/ - -#include <libxml/parser.h> -#include <libxml/tree.h> - - -const char *plist_base = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n\ -<!DOCTYPE plist PUBLIC \"-//Apple Computer//DTD PLIST 1.0//EN\" \"http://www.apple.com/DTDs/PropertyList-1.0.dtd\">\n\ -<plist version=\"1.0\">\n\ -</plist>\0"; - -struct xml_node { - xmlNodePtr xml; - uint32_t depth; -}; - -/** Creates a new plist XML document. - * - * @return The plist XML document. - */ -xmlDocPtr new_plist() -{ - char *plist = strdup(plist_base); - xmlDocPtr plist_xml = xmlReadMemory(plist, strlen(plist), NULL, NULL, 0); - - if (!plist_xml) - return NULL; - - free(plist); - - return plist_xml; -} - -/** Destroys a previously created XML document. - * - * @param plist The XML document to destroy. - */ -void free_plist(xmlDocPtr plist) -{ - if (!plist) - return; - - xmlFreeDoc(plist); -} - -void node_to_xml(GNode * node, gpointer xml_struct) -{ - if (!node) - return; - - struct xml_node *xstruct = (struct xml_node *) xml_struct; - struct plist_data *node_data = (struct plist_data *) node->data; - - xmlNodePtr child_node = NULL; - char isStruct = FALSE; - - gchar *tag = NULL; - gchar *val = NULL; - - switch (node_data->type) { - case PLIST_BOOLEAN: - { - if (node_data->boolval) - tag = "true"; - else - tag = "false"; - } - break; - - case PLIST_UINT: - tag = "integer"; - val = g_strdup_printf("%lu", (long unsigned int) node_data->intval); - break; - - case PLIST_REAL: - tag = "real"; - val = g_strdup_printf("%Lf", (long double) node_data->realval); - break; - - case PLIST_STRING: - tag = "string"; - val = g_strdup(node_data->strval); - break; - - case PLIST_UNICODE: - tag = "string"; - val = g_strdup((gchar *) node_data->unicodeval); - break; - - case PLIST_KEY: - tag = "key"; - val = g_strdup((gchar *) node_data->strval); - break; - - case PLIST_DATA: - tag = "data"; - val = format_string(node_data->buff, 60, xstruct->depth); - break; - case PLIST_ARRAY: - tag = "array"; - isStruct = TRUE; - break; - case PLIST_DICT: - tag = "dict"; - isStruct = TRUE; - break; - case PLIST_DATE: //TODO : handle date tag - default: - break; - } - - int i = 0; - for (i = 0; i < xstruct->depth; i++) { - xmlNodeAddContent(xstruct->xml, "\t"); - } - child_node = xmlNewChild(xstruct->xml, NULL, tag, val); - xmlNodeAddContent(xstruct->xml, "\n"); - g_free(val); - - //add return for structured types - if (node_data->type == PLIST_ARRAY || node_data->type == PLIST_DICT || node_data->type == PLIST_DATA) - xmlNodeAddContent(child_node, "\n"); - - if (isStruct) { - struct xml_node child = { child_node, xstruct->depth + 1 }; - g_node_children_foreach(node, G_TRAVERSE_ALL, node_to_xml, &child); - } - //fix indent for structured types - if (node_data->type == PLIST_ARRAY || node_data->type == PLIST_DICT || node_data->type == PLIST_DATA) { - - for (i = 0; i < xstruct->depth; i++) { - xmlNodeAddContent(child_node, "\t"); - } - } - - return; -} - -void xml_to_node(xmlNodePtr xml_node, GNode * plist_node) -{ - xmlNodePtr node = NULL; - - for (node = xml_node->children; node; node = node->next) { - - while (node && !xmlStrcmp(node->name, "text")) - node = node->next; - if (!node) - break; - - struct plist_data *data = (struct plist_data *) calloc(sizeof(struct plist_data), 1); - GNode *subnode = g_node_new(data); - g_node_append(plist_node, subnode); - - if (!xmlStrcmp(node->name, "true")) { - data->boolval = 1; - data->type = PLIST_BOOLEAN; - continue; - } - - if (!xmlStrcmp(node->name, "false")) { - data->boolval = 0; - data->type = PLIST_BOOLEAN; - continue; - } - - if (!xmlStrcmp(node->name, "integer")) { - char *strval = xmlNodeGetContent(node); - data->intval = atoi(strval); - data->type = PLIST_UINT; - continue; - } - - if (!xmlStrcmp(node->name, "real")) { - char *strval = xmlNodeGetContent(node); - data->realval = atof(strval); - data->type = PLIST_REAL; - continue; - } - - if (!xmlStrcmp(node->name, "date")) - continue; //TODO : handle date tag - - if (!xmlStrcmp(node->name, "string")) { - data->strval = strdup(xmlNodeGetContent(node)); - data->type = PLIST_STRING; - continue; - } - - if (!xmlStrcmp(node->name, "key")) { - data->strval = strdup(xmlNodeGetContent(node)); - data->type = PLIST_KEY; - continue; - } - - if (!xmlStrcmp(node->name, "data")) { - data->buff = strdup(xmlNodeGetContent(node)); - data->type = PLIST_DATA; - continue; - } - - if (!xmlStrcmp(node->name, "array")) { - data->type = PLIST_ARRAY; - xml_to_node(node, subnode); - continue; - } - - if (!xmlStrcmp(node->name, "dict")) { - data->type = PLIST_DICT; - xml_to_node(node, subnode); - continue; - } - } -} - -void plist_to_xml(plist_t plist, char **plist_xml, uint32_t * length) -{ - if (!plist || !plist_xml || *plist_xml) - return; - xmlDocPtr plist_doc = new_plist(); - xmlNodePtr root_node = xmlDocGetRootElement(plist_doc); - struct xml_node root = { root_node, 0 }; - g_node_children_foreach(plist, G_TRAVERSE_ALL, node_to_xml, &root); - xmlDocDumpMemory(plist_doc, (xmlChar **) plist_xml, length); -} - -void xml_to_plist(const char *plist_xml, uint32_t length, plist_t * plist) -{ - xmlDocPtr plist_doc = xmlReadMemory(plist_xml, length, NULL, NULL, 0); - xmlNodePtr root_node = xmlDocGetRootElement(plist_doc); - - struct plist_data *data = (struct plist_data *) calloc(sizeof(struct plist_data), 1); - *plist = g_node_new(data); - data->type = PLIST_DICT; - xml_to_node(root_node, *plist); -} - - - -/********************************************** -* * -* Binary Plist stuff * -* * -**********************************************/ - -/* 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); -} - -plist_type plist_get_node_type(plist_t node) -{ - return ((struct plist_data *) node->data)->type; -} - -uint64_t plist_get_node_uint_val(plist_t node) -{ - if (PLIST_UINT == plist_get_node_type(node)) - return ((struct plist_data *) node->data)->intval; - else - return 0; -} - -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]; -} - GNode *find_query_node(plist_t plist, char *key, char *request) { if (!plist) @@ -998,347 +226,15 @@ void get_type_and_value(GNode * node, plist_type * type, void *value) } } -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; -} - - - -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 | size >> 1; - memcpy(buff + 1, &val, size); - swap_n_bytes(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 | size >> 1; - memcpy(buff + 1, &val, size); - swap_n_bytes(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); - swap_n_bytes(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) +plist_type plist_get_node_type(plist_t node) { - uint64_t size = g_node_n_children(node) / 2; - 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 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); - swap_n_bytes(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); - swap_n_bytes(buff + (i + size) * dict_param_size, dict_param_size); - } - - //now append to bplist - g_byte_array_append(bplist, buff, size * dict_param_size); - free(buff); - + return ((struct plist_data *) node->data)->type; } -void plist_to_bin(plist_t plist, char **plist_bin, uint32_t * length) +uint64_t plist_get_node_uint_val(plist_t node) { - //first serialize tree - - //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 }; - g_node_children_foreach(plist, G_TRAVERSE_ALL, serialize_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); - for (i = 0; i <= num_objects; i++) { - uint8_t *buff = (uint8_t *) malloc(offset_size); - memcpy(buff, offsets + i, offset_size); - swap_n_bytes(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); + if (PLIST_UINT == plist_get_node_type(node)) + return ((struct plist_data *) node->data)->intval; + else + return 0; } diff --git a/src/plist.h b/src/plist.h index 63f67f7..e3f3f59 100644 --- a/src/plist.h +++ b/src/plist.h @@ -47,6 +47,20 @@ typedef enum { } plist_type; +struct plist_data { + union { + char boolval; + uint64_t intval; + double realval; + char *strval; + wchar_t *unicodeval; + char *buff; + }; + uint64_t length; + plist_type type; +}; + + typedef GNode *plist_t; typedef GNode *dict_t; @@ -67,4 +81,5 @@ void bin_to_plist(const char *plist_bin, uint32_t length, plist_t * plist); GNode *find_query_node(plist_t plist, char *key, char *request); GNode *find_node(plist_t plist, plist_type type, void *value); void get_type_and_value(GNode * node, plist_type * type, void *value); + #endif |