FreeCalypso > hg > freecalypso-hwlab
view pcsc-test/pcsc-test2.c @ 139:6c6e8705dc70
fc-uicc-tool: select-usim and select-isim implemented
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Thu, 04 Feb 2021 05:00:12 +0000 |
parents | 1d7d8615d628 |
children |
line wrap: on
line source
#include <sys/types.h> #include <string.h> #include <strings.h> #include <stdio.h> #include <stdlib.h> #include <pcsclite.h> #include <winscard.h> #include <reader.h> #define MAX_ATR_BYTES 33 SCARDCONTEXT hContext; SCARDHANDLE hCard; char *reader_name_buf; setup_pcsc_context() { LONG rv; rv = SCardEstablishContext(SCARD_SCOPE_SYSTEM, NULL, NULL, &hContext); if (rv != SCARD_S_SUCCESS) { fprintf(stderr, "SCardEstablishContext: %s\n", pcsc_stringify_error(rv)); exit(1); } return(0); } get_reader_name() { LONG rv; DWORD dwReaders; rv = SCardListReaders(hContext, NULL, NULL, &dwReaders); if (rv != SCARD_S_SUCCESS) { fprintf(stderr, "SCardListReaders 1st call: %s\n", pcsc_stringify_error(rv)); SCardReleaseContext(hContext); exit(1); } if (dwReaders < 1) { fprintf(stderr, "error: dwReaders returned by SCardListReaders() is less than 1\n"); SCardReleaseContext(hContext); exit(1); } reader_name_buf = malloc(dwReaders); if (!reader_name_buf) { perror("malloc for readers list"); SCardReleaseContext(hContext); exit(1); } reader_name_buf[0] = '\0'; rv = SCardListReaders(hContext, NULL, reader_name_buf, &dwReaders); if (rv != SCARD_S_SUCCESS) { fprintf(stderr, "SCardListReaders 2nd call: %s\n", pcsc_stringify_error(rv)); SCardReleaseContext(hContext); exit(1); } if (reader_name_buf[0] == '\0') { fprintf(stderr, "error: list returned by SCardListReaders() begins with a NUL byte\n"); SCardReleaseContext(hContext); exit(1); } if (!memchr(reader_name_buf, 0, dwReaders)) { fprintf(stderr, "error: list returned by SCardListReaders() does not contain a NUL byte\n"); SCardReleaseContext(hContext); exit(1); } return(0); } connect_to_card() { LONG rv; DWORD dwActiveProtocol; rv = SCardConnect(hContext, reader_name_buf, SCARD_SHARE_EXCLUSIVE, SCARD_PROTOCOL_T0, &hCard, &dwActiveProtocol); if (rv != SCARD_S_SUCCESS) { fprintf(stderr, "SCardConnect: %s\n", pcsc_stringify_error(rv)); SCardReleaseContext(hContext); exit(1); } return(0); } retrieve_atr() { u_char atrbuf[MAX_ATR_BYTES]; LONG rv; DWORD dwAttrLen; unsigned n; dwAttrLen = MAX_ATR_BYTES; rv = SCardGetAttrib(hCard, SCARD_ATTR_ATR_STRING, atrbuf, &dwAttrLen); if (rv != SCARD_S_SUCCESS) { fprintf(stderr, "SCardGetAttrib for ATR: %s\n", pcsc_stringify_error(rv)); return(-1); } printf("ATR:"); for (n = 0; n < dwAttrLen; n++) printf(" %02X", atrbuf[n]); putchar('\n'); return(0); } main(argc, argv) char **argv; { setup_pcsc_context(); get_reader_name(); printf("Card reader name: %s\n", reader_name_buf); connect_to_card(); retrieve_atr(); SCardDisconnect(hCard, SCARD_UNPOWER_CARD); SCardReleaseContext(hContext); exit(0); }