--- tools/btgatt-client.c | 33 +++++++++++++++++++++++++++++++-- 1 file changed, 31 insertions(+), 2 deletions(-) diff --git a/tools/btgatt-client.c b/tools/btgatt-client.c index d900e08..9b9d73b 100644 --- a/tools/btgatt-client.c +++ b/tools/btgatt-client.c @@ -486,11 +486,13 @@ static void write_value_usage(void) printf("Usage: write-value [options] <value_handle> <value>\n" "Options:\n" "\t-w, --without-response\tWrite without response\n" + "\t-c, --csrk <key>\tCSRK for signed write command\n" "e.g.:\n" "\twrite-value 0x0001 00 01 00\n"); } static struct option write_value_options[] = { + { "csrk", 1, 0, 'c' }, { "without-response", 0, 0, 'w' }, { } }; @@ -504,6 +506,24 @@ static void write_cb(bool success, uint8_t att_ecode, void *user_data) } } +static bool convert_csrk_key(char *optarg, uint8_t csrk[16]) +{ + int i; + char value[2]; + + if (strlen(optarg) != 32) { + printf("csrk length is invalid\n"); + return false; + } else { + for (i = 0; i < 16; i++) { + strncpy(value, optarg + (i * 2), 2); + csrk[i] = strtol(value, NULL, 16); + } + } + + return true; +} + static void cmd_write_value(struct client *cli, char *cmd_str) { int opt, i; @@ -515,6 +535,10 @@ static void cmd_write_value(struct client *cli, char *cmd_str) int length; uint8_t *value = NULL; bool without_response = false; + bool signed_write = false; + uint8_t csrk[16]; + + memset(csrk, 0, 16); if (!bt_gatt_client_is_ready(cli->gatt)) { printf("GATT client not initialized\n"); @@ -529,12 +553,17 @@ static void cmd_write_value(struct client *cli, char *cmd_str) optind = 0; argv[0] = "write-value"; - while ((opt = getopt_long(argc, argv, "+w", write_value_options, + while ((opt = getopt_long(argc, argv, "+wc:", write_value_options, NULL)) != -1) { switch (opt) { case 'w': without_response = true; break; + case 'c': + signed_write = true; + if (convert_csrk_key(optarg, csrk)) + bt_gatt_client_set_local_csrk(cli->gatt, csrk); + break; default: write_value_usage(); return; @@ -588,7 +617,7 @@ static void cmd_write_value(struct client *cli, char *cmd_str) if (without_response) { if (!bt_gatt_client_write_without_response(cli->gatt, handle, - false, value, length)) { + signed_write, value, length)) { printf("Failed to initiate write without response " "procedure\n"); goto done; -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html