diff options
-rw-r--r-- | include/sec.h | 2 | ||||
-rw-r--r-- | samsung-ipc/sec.c | 31 |
2 files changed, 33 insertions, 0 deletions
diff --git a/include/sec.h b/include/sec.h index 882b586..c7c7000 100644 --- a/include/sec.h +++ b/include/sec.h @@ -177,6 +177,8 @@ size_t ipc_sec_rsim_access_size_setup(struct ipc_sec_rsim_access_request_header const void *sim_io_data, size_t sim_io_size); void *ipc_sec_rsim_access_setup(struct ipc_sec_rsim_access_request_header *header, const void *sim_io_data, size_t sim_io_size); +size_t ipc_sec_rsim_access_size_extract(const void *data, size_t size); +void *ipc_sec_rsim_access_extract(const void *data, size_t size); int ipc_sec_lock_infomation_setup(struct ipc_sec_lock_infomation_request_data *data, unsigned char type); diff --git a/samsung-ipc/sec.c b/samsung-ipc/sec.c index 8ec633f..9919592 100644 --- a/samsung-ipc/sec.c +++ b/samsung-ipc/sec.c @@ -168,6 +168,37 @@ void *ipc_sec_rsim_access_setup(struct ipc_sec_rsim_access_request_header *heade return data; } +size_t ipc_sec_rsim_access_size_extract(const void *data, size_t size) +{ + struct ipc_sec_rsim_access_response_header *header; + + if (data == NULL || size < sizeof(struct ipc_sec_rsim_access_response_header)) + return 0; + + header = (struct ipc_sec_rsim_access_response_header *) data; + if (header->length == 0 || header->length > size - sizeof(struct ipc_sec_rsim_access_response_header)) + return 0; + + return (size_t) header->length; +} + +void *ipc_sec_rsim_access_extract(const void *data, size_t size) +{ + struct ipc_sec_rsim_access_response_header *header; + void *rsim_data; + + if (data == NULL || size < sizeof(struct ipc_sec_rsim_access_response_header)) + return NULL; + + header = (struct ipc_sec_rsim_access_response_header *) data; + if (header->length == 0 || header->length > size - sizeof(struct ipc_sec_rsim_access_response_header)) + return NULL; + + rsim_data = (void *) ((unsigned char *) data + sizeof(struct ipc_sec_rsim_access_response_header)); + + return rsim_data; +} + int ipc_sec_lock_infomation_setup(struct ipc_sec_lock_infomation_request_data *data, unsigned char type) { |