From 33856d9ceb6df817c4f40f42bfcf9ee9fa188848 Mon Sep 17 00:00:00 2001 From: Amaury Pouly Date: Fri, 11 Nov 2016 16:04:15 +0100 Subject: nwztool/scsitools: cleanup and add destination changer tool Now that we have a nice database of player index, the scsitool becomes more useful and supports a lot more players. I did some general cleanup of the code, though eventually it would be nice to really split it into a library and a CLI. The SCSI vendor command allow to read but also write most NVP nodes. Since there seems to a demand to change destination and sound pressure settings on device, I implement this feature in the tool. I do not plan to allow arbitrary NVP writes because this could easily brick the device. Changing the destination should be safe, but as usual, use at your own risks. Change-Id: Iff4e8cc3ac97b965c1df849051c5fd373756cda5 --- utils/nwztools/scsitools/Makefile | 14 +- utils/nwztools/scsitools/scsitool.c | 536 ++++++++++++++++++++++++------------ 2 files changed, 367 insertions(+), 183 deletions(-) diff --git a/utils/nwztools/scsitools/Makefile b/utils/nwztools/scsitools/Makefile index f51537fe76..41ffce33b1 100644 --- a/utils/nwztools/scsitools/Makefile +++ b/utils/nwztools/scsitools/Makefile @@ -1,20 +1,16 @@ DEFINES= CC=gcc LD=gcc -CFLAGS=-g -std=c99 -W -Wall $(DEFINES) +NWZ_DB_DIR=../database +INCLUDES=-I$(NWZ_DB_DIR) +CFLAGS=-std=c99 -W -Wall $(DEFINES) $(INCLUDES) LDFLAGS=-lsgutils2 BINS=scsitool all: $(BINS) -%.o: %.c - $(CC) $(CFLAGS) -c -o $@ $< - -scsitool: scsitool.o misc.o para_noise.o - $(LD) -o $@ $^ $(LDFLAGS) +scsitool: scsitool.c misc.c para_noise.c $(NWZ_DB_DIR)/nwz_db.c + $(CC) $(CFLAGS) -o $@ $^ $(LDFLAGS) clean: - rm -fr *.o - -veryclean: rm -rf $(BINS) diff --git a/utils/nwztools/scsitools/scsitool.c b/utils/nwztools/scsitools/scsitool.c index 7e2dcd9967..3bff9b90fd 100644 --- a/utils/nwztools/scsitools/scsitool.c +++ b/utils/nwztools/scsitools/scsitool.c @@ -38,6 +38,7 @@ #include #include "misc.h" #include "para_noise.h" +#include "nwz_db.h" /* the windows port doesn't have scsi.h and GOOD */ #ifndef GOOD @@ -152,7 +153,7 @@ int do_scsi(uint8_t *cdb, int cdb_size, unsigned flags, void *sense, int *sense_ *sense_size = get_scsi_pt_sense_len(obj); if(flags & (DO_WRITE | DO_READ)) *buf_size -= get_scsi_pt_resid(obj); - + destruct_scsi_pt_obj(obj); return ret; } @@ -171,20 +172,33 @@ int do_sense_analysis(int status, uint8_t *sense, int sense_size) return status; } -int do_dnk_cmd(uint32_t cmd, uint8_t sub_cmd, uint16_t arg, void *buffer, int *buffer_size) +/* + * SCSI commands + */ +#define CMD_A3 0xa3 /* start a complicated, authenticated, session to do things */ +#define CMD_A4 0xa4 /* start a complicated, authenticated, session to do things */ +#define CMD_EMPR_DPCC 0xd7 +#define CMD_DNK 0xdd +#define CMD_DPCC 0xfb + +/* + * DNK: command is in cdb[10], subcommand in cdb[11], cdb[7] must be 0xbc + */ + +int do_dnk_cmd(bool read, uint32_t cmd, uint8_t sub_cmd, uint16_t arg, void *buffer, int *buffer_size) { - uint8_t cdb[12] = {0xdd, 0, 0, 0, 0, 0, 0, 0xbc, 0, 0, 0, 0}; + uint8_t cdb[12] = {CMD_DNK, 0, 0, 0, 0, 0, 0, 0xbc, 0, 0, 0, 0}; cdb[10] = cmd; cdb[11] = sub_cmd; cdb[8] = (*buffer_size) >> 8; cdb[9] = (*buffer_size) & 0xff; cdb[4] = (arg >> 8) & 0xff; cdb[5] = arg & 0xff; - + uint8_t sense[32]; int sense_size = 32; - - int ret = do_scsi(cdb, 12, DO_READ, sense, &sense_size, buffer, buffer_size); + + int ret = do_scsi(cdb, 12, read ? DO_READ : DO_WRITE, sense, &sense_size, buffer, buffer_size); if(ret < 0) return ret; ret = do_sense_analysis(ret, sense, sense_size); @@ -196,10 +210,12 @@ int do_dnk_cmd(uint32_t cmd, uint8_t sub_cmd, uint16_t arg, void *buffer, int *b #define DNK_EXACT_LENGTH (1 << 0) #define DNK_STRING (1 << 1) #define DNK_UINT32 (1 << 2) +#define DNK_HEX (1 << 3) struct dnk_prop_t { - char *name; + const char *name; + const char *desc; uint8_t cmd; uint8_t subcmd; int size; @@ -208,16 +224,71 @@ struct dnk_prop_t struct dnk_prop_t dnk_prop_list[] = { - { "serial_num", 0x23, 1, 8, DNK_STRING}, - { "model_id", 0x23, 4, 4, DNK_EXACT_LENGTH | DNK_UINT32}, - { "product_id", 0x23, 6, 12, DNK_STRING}, - { "destination", 0x23, 8, 4, DNK_EXACT_LENGTH | DNK_UINT32}, - { "model_id2", 0x23, 9, 4, DNK_EXACT_LENGTH | DNK_UINT32}, - { "dev_info", 0x12, 0, 64, DNK_STRING}, + { "serial_num", "Serial number", 0x23, 1, 8, DNK_STRING}, + { "storage_size", "Storage size(GB)", 0x23, 4, 4, DNK_EXACT_LENGTH | DNK_UINT32}, + { "product_id", "Product ID", 0x23, 6, 12, DNK_STRING}, + { "destination", "Destination", 0x23, 8, 4, DNK_EXACT_LENGTH | DNK_UINT32}, + { "model_id", "Model ID", 0x23, 9, 4, DNK_EXACT_LENGTH | DNK_UINT32 | DNK_HEX}, + { "model_name", "Model Name", 0x12, 0, 64, DNK_STRING}, + /* there are more obscure commands: + * - 0x11 returns a 10-byte packet containing a 8-byte "LeftIdl8", scrambled + * with para_noise (the 2-byte padding is random so that output is random + * until unscrambled) + * - 0x21 returns a 0x2b2 packet contaning a 0x2b0 "DNK", scrambled similarly + * - 0x22 can write the DNK (sending scrambled data again) + * - 0x23 has more subproperties: + * - 5 is "eDKS" + * - 7 is "ProductGroup" + * - 10 is nvp properties (see get_dnk_nvp) + * - 11 seems to read something from nvp and encrypt it with AES, not sure what + * - 0x24 can write the same properties read by 0x23 */ }; #define NR_DNK_PROPS (sizeof(dnk_prop_list) / sizeof(dnk_prop_list[0])) +uint16_t get_big_endian16(void *_buf) +{ + uint8_t *buf = _buf; + return buf[0] << 16 | buf[1]; +} + +uint32_t get_big_endian32(void *_buf) +{ + uint8_t *buf = _buf; + return buf[0] << 24 | buf[1] << 16 | buf[2] << 8 | buf[3]; +} + +void set_big_endian16(void *_buf, uint16_t val) +{ + uint8_t *buf = _buf; + buf[1] = val & 0xff; + buf[0] = (val >> 8) & 0xff; +} + +void set_big_endian32(void *_buf, uint32_t val) +{ + uint8_t *buf = _buf; + buf[3] = val & 0xff; + buf[2] = (val >> 8) & 0xff; + buf[1] = (val >> 16) & 0xff; + buf[0] = (val >> 24) & 0xff; +} + +uint32_t get_little_endian32(void *_buf) +{ + uint8_t *buf = _buf; + return buf[3] << 24 | buf[2] << 16 | buf[1] << 8 | buf[0]; +} + +void set_little_endian32(void *_buf, uint32_t val) +{ + uint8_t *buf = _buf; + buf[0] = val & 0xff; + buf[1] = (val >> 8) & 0xff; + buf[2] = (val >> 16) & 0xff; + buf[3] = (val >> 24) & 0xff; +} + int get_dnk_prop(int argc, char **argv) { if(argc != 1 && argc != 4) @@ -247,6 +318,7 @@ int get_dnk_prop(int argc, char **argv) } else { + prop.desc = "Property"; prop.cmd = strtoul(argv[0], NULL, 0); prop.subcmd = strtoul(argv[1], NULL, 0); prop.size = strtoul(argv[2], NULL, 0); @@ -255,7 +327,7 @@ int get_dnk_prop(int argc, char **argv) char *buffer = buffer_alloc(prop.size + 1); int buffer_size = prop.size; - int ret = do_dnk_cmd(prop.cmd, prop.subcmd, 0, buffer, &buffer_size); + int ret = do_dnk_cmd(true, prop.cmd, prop.subcmd, 0, buffer, &buffer_size); if(ret) return ret; if(buffer_size == 0) @@ -269,197 +341,185 @@ int get_dnk_prop(int argc, char **argv) return 2; } buffer[buffer_size] = 0; + cprintf(GREEN, "%s:", prop.desc); if(prop.flags & DNK_STRING) - cprintf_field("Property: ", "%s\n", buffer); + cprintf(YELLOW, " %s\n", buffer); else if(prop.flags & DNK_UINT32) - cprintf_field("Property: ", "0x%x\n", *(uint32_t *)buffer); + { + uint32_t val = get_big_endian32(buffer); + if(prop.flags & DNK_HEX) + cprintf(YELLOW, " 0x%x\n", val); + else + cprintf(YELLOW, " %u\n", val); + } else { - cprintf(GREEN, "Property:\n"); + printf(YELLOW, "\n"); print_hex(buffer, buffer_size); } return 0; } -#define NVP_EXACT_LENGTH (1 << 0) -#define NVP_STRING (1 << 1) -#define NVP_UINT32 (1 << 2) - -struct nvp_prop_t +int get_model_and_series(int *model_index, int *series_index) { - const char *name; - const char *desc; - uint8_t node; - int size; - unsigned flags; -}; - -#define NVP_ENTRY(node, name,desc,size,flag) { name, desc, node, size, flag } - -struct nvp_prop_t nvp_prop_list[] = -{ - NVP_ENTRY(1, "bti", "boot image", 262144, 0), - NVP_ENTRY(2, "hdi", "hold image", 262144, 0), - NVP_ENTRY(3, "cng", "aad key", 704, 0), - NVP_ENTRY(4, "ser", "serial number", 16, NVP_STRING), - NVP_ENTRY(5, "app", "application parameter", 4096, 0), - NVP_ENTRY(6, "eri", "update error image", 262144, 0), - NVP_ENTRY(7, "dcc", "secure clock", 20, 0), - NVP_ENTRY(8, "mdl", "middleware parameter", 8, 0), - NVP_ENTRY(9, "fup", "firmware update flag", 4, 0), - NVP_ENTRY(10, "bok", "beep ok flag", 4, 0), - NVP_ENTRY(11, "shp", "ship information", 32, 0), - NVP_ENTRY(12, "dba", "aad icv", 160, 0), - NVP_ENTRY(13, "dbv", "empr key", 520, 0), - NVP_ENTRY(14, "tr0", "EKB 0", 16384, 0), - NVP_ENTRY(15, "tr1", "EKB 1", 16384, 0), - NVP_ENTRY(16, "mid", "model id", 64, 0), - NVP_ENTRY(17, "tst", "test mode flag", 4, 0), - NVP_ENTRY(18, "gty", "getty mode flag", 4, 0), - NVP_ENTRY(19, "fui", "update image", 262144, 0), - NVP_ENTRY(20, "lbi", "low battery image", 262144, 0), - NVP_ENTRY(21, "dor", "key mode (debug/release)", 4, 0), - NVP_ENTRY(22, "edw", "quick shutdown flag", 4, 0), - NVP_ENTRY(23, "ubp", "u-boot password", 32, 0), - NVP_ENTRY(24, "syi", "system information", 4, 0), - NVP_ENTRY(25, "exm", "exception monitor mode", 4, 0), - NVP_ENTRY(26, "pcd", "product code", 5, 0), - NVP_ENTRY(27, "btc", "battery calibration", 4, 0), - NVP_ENTRY(28, "rnd", "wmt key", 64, 0), - NVP_ENTRY(29, "ufn", "update file name", 8, 0), - NVP_ENTRY(30, "sdp", "sound driver parameter", 64, 0), - NVP_ENTRY(31, "ncp", "noise cancel driver parameter", 64, 0), - NVP_ENTRY(32, "kas", "key and signature", 64, 0), - NVP_ENTRY(33, "sfi", "starfish id", 64, 0), - NVP_ENTRY(34, "rtc", "rtc alarm", 16, 0), - NVP_ENTRY(35, "bpr", "bluetooth address", 2048, 0), - NVP_ENTRY(36, "e00", "EMPR 0", 1024, 0), - NVP_ENTRY(37, "e01", "EMPR 1", 1024, 0), - NVP_ENTRY(38, "e02", "EMPR 2", 1024, 0), - NVP_ENTRY(39, "e03", "EMPR 3", 1024, 0), - NVP_ENTRY(40, "e04", "EMPR 4", 1024, 0), - NVP_ENTRY(41, "e05", "EMPR 5", 1024, 0), - NVP_ENTRY(42, "e06", "EMPR 6", 1024, 0), - NVP_ENTRY(43, "e07", "EMPR 7", 1024, 0), - NVP_ENTRY(44, "e08", "EMPR 8", 1024, 0), - NVP_ENTRY(45, "e09", "EMPR 9", 1024, 0), - NVP_ENTRY(46, "e10", "EMPR 10", 1024, 0), - NVP_ENTRY(47, "e11", "EMPR 11", 1024, 0), - NVP_ENTRY(48, "e12", "EMPR 12", 1024, 0), - NVP_ENTRY(49, "e13", "EMPR 13", 1024, 0), - NVP_ENTRY(50, "e14", "EMPR 14", 1024, 0), - NVP_ENTRY(51, "e15", "EMPR 15", 1024, 0), - NVP_ENTRY(52, "e16", "EMPR 16", 1024, 0), - NVP_ENTRY(53, "e17", "EMPR 17", 1024, 0), - NVP_ENTRY(54, "e18", "EMPR 18", 1024, 0), - NVP_ENTRY(55, "e19", "EMPR 19", 1024, 0), - NVP_ENTRY(56, "e20", "EMPR 20", 1024, 0), - NVP_ENTRY(57, "e21", "EMPR 21", 1024, 0), - NVP_ENTRY(58, "e22", "EMPR 22", 1024, 0), - NVP_ENTRY(59, "e23", "EMPR 23", 1024, 0), - NVP_ENTRY(60, "e24", "EMPR 24", 1024, 0), - NVP_ENTRY(61, "e25", "EMPR 25", 1024, 0), - NVP_ENTRY(62, "e26", "EMPR 26", 1024, 0), - NVP_ENTRY(63, "e27", "EMPR 27", 1024, 0), - NVP_ENTRY(64, "e28", "EMPR 28", 1024, 0), - NVP_ENTRY(65, "e29", "EMPR 29", 1024, 0), - NVP_ENTRY(66, "e30", "EMPR 30", 1024, 0), - NVP_ENTRY(67, "e31", "EMPR 31", 1024, 0), - NVP_ENTRY(68, "clv", "color variation", 4, 0), - NVP_ENTRY(69, "slp", "time out to sleep", 4, 0), - NVP_ENTRY(70, "ipt", "disable iptable flag", 4, 0), - NVP_ENTRY(71, "mtm", "marlin time", 64, 0), - NVP_ENTRY(72, "mcr", "marlin crl", 16384, 0), - NVP_ENTRY(73, "mdk", "marlin device key", 33024, 0), - NVP_ENTRY(74, "muk", "marlin user key", 24576, 0), - NVP_ENTRY(75, "pts", "wifi protected setup", 4, 0), - NVP_ENTRY(76, "skt", "slacker time", 16, 0), - NVP_ENTRY(77, "mac", "wifi mac address", 6, 0), - NVP_ENTRY(78, "apd", "application debug mode flag", 4, 0), - NVP_ENTRY(79, "blf", "browser log mode flag", 4, 0), - NVP_ENTRY(80, "hld", "hold mode", 4, 0), - NVP_ENTRY(81, "skd", "slacker id file", 8224, 0), - NVP_ENTRY(82, "fmp", "fm parameter", 16, 0), - NVP_ENTRY(83, "sps", "speaker ship info", 4, 0), - NVP_ENTRY(84, "msc", "mass storage class mode", 4, 0), - NVP_ENTRY(85, "vrt", "europe vol regulation flag", 4, 0), - NVP_ENTRY(86, "psk", "bluetooth pskey", 512, 0), - NVP_ENTRY(87, "bml", "btmw log mode flag", 4, 0), - NVP_ENTRY(88, "bfd", "btmw factory scdb", 512, 0), - NVP_ENTRY(89, "bfp", "btmw factory pair info", 512, 0), -}; - -#define NR_NVP_PROPS (sizeof(nvp_prop_list) / sizeof(nvp_prop_list[0])) - -int get_dnk_nvp(int argc, char **argv) -{ - if(argc != 1 && argc != 3) + /* we need to get the model ID: code stolen from get_dnk_prop */ + uint8_t mid_buf[4]; + int mid_buf_size = sizeof(mid_buf); + int ret = do_dnk_cmd(true, 0x23, 9, 0, mid_buf, &mid_buf_size); + if(ret) { - printf("You must specify a known nvp node or a full node specification:\n"); - printf("Full usage: \n"); - printf("Node usage: \n"); - printf("Nodes:\n"); - for(unsigned i = 0; i < NR_NVP_PROPS; i++) - printf(" %s\t%s\n", nvp_prop_list[i].name, nvp_prop_list[i].desc); - return 1; + printf("Cannot get model ID from device: %d\n", ret); + return 2; } - - struct nvp_prop_t prop; - memset(&prop, 0, sizeof(prop)); - if(argc == 1) + if(mid_buf_size != sizeof(mid_buf)) { - for(unsigned i = 0; i < NR_NVP_PROPS; i++) - if(strcmp(nvp_prop_list[i].name, argv[0]) == 0) - prop = nvp_prop_list[i]; - if(prop.name == NULL) - { - cprintf(GREY, "Unknown node '%s'\n", argv[0]); - return 1; - } + printf("Cannot get model ID from device: device didn't send the expected amount of data\n"); + return 3; } - else + unsigned long model_id = get_big_endian32(&mid_buf); + *model_index = -1; + for(int i = 0; i < NWZ_MODEL_COUNT; i++) + if(nwz_model[i].mid == model_id) + *model_index = i; + cprintf_field("Model: ", "%s\n", *model_index == -1 ? "Unknown" : nwz_model[*model_index].name); + if(*model_index == -1) + { + printf("Your device is not supported. Please contact developers.\n"); + return 3; + } + *series_index = -1; + for(int i = 0; i < NWZ_SERIES_COUNT; i++) + for(int j = 0; j < nwz_series[i].mid_count; j++) + if(nwz_series[i].mid[j] == model_id) + *series_index = i; + cprintf_field("Series: ", "%s\n", *series_index == -1 ? "Unknown" : nwz_series[*series_index].name); + if(*series_index == -1) { - prop.node = strtoul(argv[0], NULL, 0); - prop.size = strtoul(argv[1], NULL, 0); - prop.flags = strtoul(argv[2], NULL, 0); + printf("Your device is not supported. Please contact developers.\n"); + return 3; } + return 0; +} - int buffer_size = prop.size + 4; - uint8_t *buffer = buffer_alloc(buffer_size + 1); - int ret = do_dnk_cmd(0x23, 10, prop.node, buffer, &buffer_size); +/* read nvp node, retrun nonzero on error */ +int read_nvp_node(int series_index, enum nwz_nvp_node_t node, void *buffer, int size) +{ + int node_index = NWZ_NVP_INVALID; + if(nwz_series[series_index].nvp_index) + node_index = (*nwz_series[series_index].nvp_index)[node]; + if(node_index == NWZ_NVP_INVALID) + { + printf("This device doesn't have node '%s'\n", nwz_nvp[node].name); + return 5; + } + /* the returned data has a 4 byte header: + * - byte 0/1 is the para_noise index, written as a 16bit big-endian number + * - byte 2/3 is the node index, written as a 16-bit big-endian number + * + * NOTE: byte 0 is always 0 because the OF always picks small para_noise + * indexes but I guess the actual encoding the one above */ + int xfer_size = size + 4; + uint8_t *xfer_buf = buffer_alloc(xfer_size); + int ret = do_dnk_cmd(true, 0x23, 10, node_index, xfer_buf, &xfer_size); if(ret) return ret; - if(buffer_size <= 4) + if(xfer_size <= 4) { + free(xfer_buf); cprintf(GREY, "Device didn't send any data\n"); - return 1; + return 6; } - if(buffer[0] != 0 || buffer[2] != 0 || buffer[3] != prop.node) + if(get_big_endian16(xfer_buf + 2) != node_index) { + free(xfer_buf); cprintf(GREY, "Device responded with invalid data\n"); return 1; } - - for(int i = 4, idx = buffer[1]; i < buffer_size; i++, idx++) - buffer[i] ^= para_noise[idx]; - buffer[buffer_size] = 0; - buffer += 4; - buffer_size -= 4; - if((prop.flags & DNK_EXACT_LENGTH) && buffer_size != prop.size) + if(xfer_size - 4 != (int)size) { + free(xfer_buf); cprintf(GREY, "Device didn't send the expected amount of data\n"); - return 2; + return 7; } - - if(prop.flags & DNK_STRING) - cprintf_field("Node: ", "%s\n", buffer); - else if(prop.flags & DNK_UINT32) - cprintf_field("Node: ", "0x%x\n", *(uint32_t *)buffer); - else + /* unscramble and copy */ + for(int i = 4, idx = get_big_endian16(xfer_buf); i < xfer_size; i++, idx++) + xfer_buf[i] ^= para_noise[idx % sizeof(para_noise)]; + memcpy(buffer, xfer_buf + 4, size); + free(xfer_buf); + return 0; +} + +/* read nvp node, retrun nonzero on error */ +int write_nvp_node(int series_index, enum nwz_nvp_node_t node, void *buffer, int size) +{ + int node_index = NWZ_NVP_INVALID; + if(nwz_series[series_index].nvp_index) + node_index = (*nwz_series[series_index].nvp_index)[node]; + if(node_index == NWZ_NVP_INVALID) { - cprintf(GREEN, "Node:\n"); - print_hex(buffer, buffer_size); + printf("This device doesn't have node '%s'\n", nwz_nvp[node].name); + return 5; + } + /* the data buffer is prepended with a 4 byte header: + * - byte 0/1 is the para_noise index, written as a 16bit big-endian number + * - byte 2/3 is the node index, written as a 16-bit big-endian number */ + int xfer_size = size + 4; + uint8_t *xfer_buf = buffer_alloc(xfer_size); + /* scramble, always use index 0 for para_noise */ + set_big_endian16(xfer_buf, 0); /* para_noise index */ + set_big_endian16(xfer_buf + 2, node_index); /* node index */ + memcpy(xfer_buf + 4, buffer, size); + for(int i = 4, idx = get_big_endian16(xfer_buf); i < xfer_size; i++, idx++) + xfer_buf[i] ^= para_noise[idx % sizeof(para_noise)]; + int ret = do_dnk_cmd(false, 0x24, 10, node_index, xfer_buf, &xfer_size); + if(ret) + return ret; + if(xfer_size - 4 != (int)size) + { + free(xfer_buf); + cprintf(GREY, "Wrong transger size\n"); + return 7; } + free(xfer_buf); + return 0; +} + +int get_dnk_nvp(int argc, char **argv) +{ + if(argc != 1) + { + printf("You must specify a known nvp node or a full node specification:\n"); + printf("Node usage: \n"); + printf("Nodes:\n"); + for(unsigned i = 0; i < NWZ_NVP_COUNT; i++) + printf(" %s\t%s\n", nwz_nvp[i].name, nwz_nvp[i].desc); + return 1; + } + int series_index, model_index; + int ret = get_model_and_series(&model_index, &series_index); + if(ret) + return ret; + /* find entry in NVP */ + enum nwz_nvp_node_t node = NWZ_NVP_COUNT; + for(int i = 0; i < NWZ_NVP_COUNT; i++) + if(strcmp(nwz_nvp[i].name, argv[0]) == 0) + node = i; + if(node== NWZ_NVP_COUNT) + { + printf("I don't know about node '%s'\n", argv[0]); + return 4; + } + uint8_t *buffer = malloc(nwz_nvp[node].size); + ret = read_nvp_node(series_index, node, buffer, nwz_nvp[node].size); + if(ret != 0) + { + free(buffer); + return ret; + } + cprintf(GREEN, "%s:\n", nwz_nvp[node].name); + print_hex(buffer, nwz_nvp[node].size); + + free(buffer); return 0; } @@ -474,6 +534,7 @@ struct dpcc_prop_t struct dpcc_prop_t dpcc_prop_list[] = { { "dev_info", "DEVINFO", 0, 0x80 }, + /* there are more but they are very obscure */ }; #define NR_DPCC_PROPS (sizeof(dpcc_prop_list) / sizeof(dpcc_prop_list[0])) @@ -606,6 +667,8 @@ int do_fw_upgrade(int argc, char **argv) { (void) argc; (void )argv; + /* older devices may have used subcommand 3 instead of 4, but this is not + * supported by any device I have seen */ uint8_t cdb[12] = {0xfc, 0, 0x04, 'd', 'b', 'm', 'n', 0, 0x80, 0, 0, 0}; char *buffer = buffer_alloc(0x81); @@ -625,6 +688,130 @@ int do_fw_upgrade(int argc, char **argv) return 0; } +static struct +{ + unsigned long dest; + const char *name; +} g_dest_list[] = +{ + { 0, "J" }, + { 1, "U" }, + { 0x101, "U2" }, + { 0x201, "U3" }, + { 0x301, "CA" }, + { 2, "CEV" }, + { 0x102, "CE7" }, + { 3, "CEW" }, + { 0x103, "CEW2" }, + { 4, "CN" }, + { 5, "KR" }, + { 6, "E" }, + { 0x106, "MX" }, + { 0x206, "E2" }, + { 0x306, "MX3" }, + { 7, "TW" }, +}; + +#define DEST_COUNT (sizeof(g_dest_list) / sizeof(g_dest_list[0])) + +int do_dest(int argc, char **argv) +{ + /* it is possile to write any NVP node using the SCSI interface but only + * give the user the possibility to write destination, because that's the + * most useful one */ + if(argc != 1 && argc != 3) + { + printf("Usage: get\n"); + printf("Usage: set \n"); + printf("Destination () can be either an integer or one of:\n"); + for(size_t i = 0; i < DEST_COUNT; i++) + printf(" %s\n", g_dest_list[i].name); + printf("Sound pressure () can be be an integer, 'on' or 'off'\n"); + return 1; + } + /* get model/series */ + int model_index, series_index; + int ret = get_model_and_series(&model_index, &series_index); + /* in all cases, we need to read shp */ + uint8_t *shp = malloc(nwz_nvp[NWZ_NVP_SHP].size); + ret = read_nvp_node(series_index, NWZ_NVP_SHP, shp, nwz_nvp[NWZ_NVP_SHP].size); + if(ret != 0) + { + free(shp); + return ret; + } + /* get */ + if(strcmp(argv[0], "get") == 0) + { + if(argc != 1) + { + printf("Too many arguments for get\n"); + free(shp); + return 2; + } + const char *dst_name = "Unknown"; + unsigned long dst = get_little_endian32(shp); + for(size_t i = 0; i < DEST_COUNT; i++) + if(dst == g_dest_list[i].dest) + dst_name = g_dest_list[i].name; + printf("Destination: %s (%lx)\n", dst_name, dst); + unsigned long sps = get_little_endian32(shp + 4); + printf("Sound pressure: %lu (%s)\n", sps, sps == 0 ? "off" : "on"); + free(shp); + } + /* set */ + if(strcmp(argv[0], "set") == 0) + { + if(argc != 3) + { + printf("Not enough arguments for set\n"); + free(shp); + return 2; + } + /* try to parse dest as integer */ + char *end; + unsigned long dst = strtoul(argv[1], &end, 0); + if(*end) + { + /* assume string */ + int index = -1; + for(size_t i = 0; i < DEST_COUNT; i++) + if(strcmp(argv[1], g_dest_list[i].name) == 0) + index = i; + if(index == -1) + { + printf("Unknown destination '%s'\n", argv[1]); + free(shp); + return 3; + } + dst = g_dest_list[index].dest; + } + /* try to parse sps as integer */ + /* try to parse dest as integer */ + unsigned long sps = strtoul(argv[2], &end, 0); + if(*end) + { + /* assume string */ + if(strcmp(argv[2], "on") == 0) + sps = 1; + else if(strcmp(argv[2], "off") == 0) + sps = 0; + else + { + printf("Unknown sound pressure setting '%s'\n", argv[2]); + free(shp); + return 3; + } + } + set_little_endian32(shp, dst); + set_little_endian32(shp + 4, sps); + int ret = write_nvp_node(series_index, NWZ_NVP_SHP, shp, nwz_nvp[NWZ_NVP_SHP].size); + free(shp); + return ret; + } + return 0; +} + typedef int (*cmd_fn_t)(int argc, char **argv); struct cmd_t @@ -642,6 +829,7 @@ struct cmd_t cmd_list[] = { "get_user_time", "Get user time", get_user_time }, { "get_dev_info", "Get device info", get_dev_info }, { "do_fw_upgrade", "Do a firmware upgrade", do_fw_upgrade }, + { "dest_tool", "Get/Set destination and sound pressure regulation", do_dest }, }; #define NR_CMDS (sizeof(cmd_list) / sizeof(cmd_list[0])) -- cgit