diff options
| -rw-r--r-- | Android.mk | 1 | ||||
| -rw-r--r-- | include/svc.h | 14 | ||||
| -rw-r--r-- | samsung-ipc/Makefile.am | 1 | ||||
| -rw-r--r-- | samsung-ipc/call.c | 2 | ||||
| -rw-r--r-- | samsung-ipc/svc.c | 82 |
5 files changed, 97 insertions, 3 deletions
@@ -69,6 +69,7 @@ LOCAL_SRC_FILES := \ samsung-ipc/sec.c \ samsung-ipc/net.c \ samsung-ipc/misc.c \ + samsung-ipc/svc.c \ samsung-ipc/gprs.c \ samsung-ipc/rfs.c \ samsung-ipc/gen.c diff --git a/include/svc.h b/include/svc.h index e998789..6c12a25 100644 --- a/include/svc.h +++ b/include/svc.h @@ -89,7 +89,7 @@ struct ipc_svc_enter_data { unsigned char mode; // IPC_SVC_MODE unsigned char type; // IPC_SVC_TYPE - unsigned char unknown; + unsigned char magic; } __attribute__((__packed__)); struct ipc_svc_end_data { @@ -109,7 +109,7 @@ struct ipc_svc_display_screen_header { unsigned char count; } __attribute__((__packed__)); -struct ipc_svc_display_screen_data { +struct ipc_svc_display_screen_entry { unsigned short index; char line[32]; } __attribute__((__packed__)); @@ -118,6 +118,16 @@ struct ipc_svc_change_svc_mode_data { unsigned char mode; // IPC_SVC_MODE } __attribute__((__packed__)); +/* + * Helpers + */ + +int ipc_svc_enter_setup(struct ipc_svc_enter_data *data, + unsigned char mode, unsigned char type); +unsigned char ipc_svc_display_screen_count_extract(const void *data, size_t size); +struct ipc_svc_display_screen_entry *ipc_svc_display_screen_extract(const void *data, + size_t size, unsigned int index); + #endif // vim:ts=4:sw=4:expandtab diff --git a/samsung-ipc/Makefile.am b/samsung-ipc/Makefile.am index a82eecf..b40fc67 100644 --- a/samsung-ipc/Makefile.am +++ b/samsung-ipc/Makefile.am @@ -58,6 +58,7 @@ libsamsung_ipc_la_SOURCES = \ sec.c \ net.c \ misc.c \ + svc.c \ gprs.c \ rfs.c \ gen.c \ diff --git a/samsung-ipc/call.c b/samsung-ipc/call.c index 58b0f52..37bdc20 100644 --- a/samsung-ipc/call.c +++ b/samsung-ipc/call.c @@ -71,7 +71,7 @@ struct ipc_call_list_entry *ipc_call_list_entry_extract(const void *data, return NULL; count = ipc_call_list_count_extract(data, size); - if (count == 0) + if (count == 0 || index >= count) return NULL; offset = sizeof(struct ipc_call_list_header); diff --git a/samsung-ipc/svc.c b/samsung-ipc/svc.c new file mode 100644 index 0000000..9c8920b --- /dev/null +++ b/samsung-ipc/svc.c @@ -0,0 +1,82 @@ +/* + * This file is part of libsamsung-ipc. + * + * Copyright (C) 2014 Paul Kocialkowski <contact@paulk.fr> + * + * libsamsung-ipc 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. + * + * libsamsung-ipc 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. + * + * You should have received a copy of the GNU General Public License + * along with libsamsung-ipc. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <stdlib.h> + +#include <samsung-ipc.h> + +int ipc_svc_enter_setup(struct ipc_svc_enter_data *data, + unsigned char mode, unsigned char type) +{ + if (data == NULL) + return -1; + + memset(data, 0, sizeof(struct ipc_svc_enter_data)); + data->mode = mode; + data->type = type; + + if (mode == IPC_SVC_MODE_MONITOR) + data->magic = 0x00; + else + data->magic = 0x10; + + return 0; +} + +unsigned char ipc_svc_display_screen_count_extract(const void *data, size_t size) +{ + struct ipc_svc_display_screen_header *header; + + if (data == NULL || size < sizeof(struct ipc_svc_display_screen_header)) + return 0; + + header = (struct ipc_svc_display_screen_header *) data; + + return header->count; +} + +struct ipc_svc_display_screen_entry *ipc_svc_display_screen_extract(const void *data, + size_t size, unsigned int index) +{ + struct ipc_svc_display_screen_entry *entry = NULL; + unsigned char count; + unsigned char i; + unsigned int offset; + + if (data == NULL) + return NULL; + + count = ipc_svc_display_screen_count_extract(data, size); + if (count == 0 || index >= count) + return NULL; + + offset = sizeof(struct ipc_svc_display_screen_header); + + for (i = 0; i < (index + 1); i++) { + entry = (struct ipc_svc_display_screen_entry *) ((unsigned char *) data + offset); + offset += sizeof(struct ipc_svc_display_screen_entry); + } + + if (offset > size) + return NULL; + + return entry; +} + +// vim:ts=4:sw=4:expandtab |