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remsim: adding cli argument to set the atr

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Change-Id: I554b515e7954148f9ca5ba29417699da70b0945b
This commit is contained in:
Leonard Hübner
2020-10-27 10:16:41 +01:00
committed by Harald Welte
parent a124c1714e
commit 1372aca28e
1 changed files with 20 additions and 4 deletions
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24
host/src/simtrace2-remsim.c
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@@ -50,6 +50,8 @@
#include <osmocom/sim/class_tables.h> #include <osmocom/sim/class_tables.h>
#include <osmocom/sim/sim.h> #include <osmocom/sim/sim.h>
#define ATR_MAX_LEN 33
static void atr_update_csum(uint8_t *atr, unsigned int atr_len) static void atr_update_csum(uint8_t *atr, unsigned int atr_len)
{ {
uint8_t csum = 0; uint8_t csum = 0;
@@ -181,6 +183,7 @@ static void print_help(void)
"\t-h\t--help\n" "\t-h\t--help\n"
"\t-i\t--gsmtap-ip\tA.B.C.D\n" "\t-i\t--gsmtap-ip\tA.B.C.D\n"
"\t-a\t--skip-atr\n" "\t-a\t--skip-atr\n"
"\t-t\t--set-atr\tATR-STRING in HEX\n"
"\t-k\t--keep-running\n" "\t-k\t--keep-running\n"
"\t-n\t--pcsc-reader-num\n" "\t-n\t--pcsc-reader-num\n"
"\t-V\t--usb-vendor\tVENDOR_ID\n" "\t-V\t--usb-vendor\tVENDOR_ID\n"
@@ -199,6 +202,7 @@ static const struct option opts[] = {
{ "remote-udp-port", 1, 0, 'p' }, { "remote-udp-port", 1, 0, 'p' },
{ "gsmtap-ip", 1, 0, 'i' }, { "gsmtap-ip", 1, 0, 'i' },
{ "skip-atr", 0, 0, 'a' }, { "skip-atr", 0, 0, 'a' },
{ "set-atr", 1, 0, 't' },
{ "help", 0, 0, 'h' }, { "help", 0, 0, 'h' },
{ "keep-running", 0, 0, 'k' }, { "keep-running", 0, 0, 'k' },
{ "pcsc-reader-num", 1, 0, 'n' }, { "pcsc-reader-num", 1, 0, 'n' },
@@ -283,6 +287,9 @@ int main(int argc, char **argv)
int rc; int rc;
int c, ret = 1; int c, ret = 1;
int skip_atr = 0; int skip_atr = 0;
char *atr = "3b00";
uint8_t real_atr[ATR_MAX_LEN];
int atr_len;
int keep_running = 0; int keep_running = 0;
int remote_udp_port = 52342; int remote_udp_port = 52342;
int if_num = 0, vendor_id = -1, product_id = -1; int if_num = 0, vendor_id = -1, product_id = -1;
@@ -298,7 +305,7 @@ int main(int argc, char **argv)
while (1) { while (1) {
int option_index = 0; int option_index = 0;
c = getopt_long(argc, argv, "r:p:hi:V:P:C:I:S:A:H:akn:", opts, &option_index); c = getopt_long(argc, argv, "r:p:hi:V:P:C:I:S:A:H:akn:t:", opts, &option_index);
if (c == -1) if (c == -1)
break; break;
switch (c) { switch (c) {
@@ -318,6 +325,9 @@ int main(int argc, char **argv)
case 'a': case 'a':
skip_atr = 1; skip_atr = 1;
break; break;
case 't':
atr = optarg;
break;
case 'k': case 'k':
keep_running = 1; keep_running = 1;
break; break;
@@ -348,6 +358,13 @@ int main(int argc, char **argv)
} }
} }
atr_len = osmo_hexparse(atr,real_atr,ATR_MAX_LEN);
if (atr_len < 2) {
fprintf(stderr, "Invalid ATR - please omit a leading 0x and only use valid hex "
"digits and whitespace. ATRs need to be between 2 and 33 bytes long.\n");
goto do_exit;
}
if (!remote_udp_host && (vendor_id < 0 || product_id < 0)) { if (!remote_udp_host && (vendor_id < 0 || product_id < 0)) {
fprintf(stderr, "You have to specify the vendor and product ID\n"); fprintf(stderr, "You have to specify the vendor and product ID\n");
goto do_exit; goto do_exit;
@@ -438,9 +455,8 @@ int main(int argc, char **argv)
if (!skip_atr) { if (!skip_atr) {
/* set the ATR */ /* set the ATR */
uint8_t real_atr[] = { 0x3B, 0x00 }; // the simplest ATR atr_update_csum(real_atr, atr_len);
atr_update_csum(real_atr, sizeof(real_atr)); osmo_st2_cardem_request_set_atr(ci, real_atr, atr_len);
osmo_st2_cardem_request_set_atr(ci, real_atr, sizeof(real_atr));
} }
/* select remote (forwarded) SIM */ /* select remote (forwarded) SIM */