From 2072e323bb0c1c9b61f4d7251ea2e6b24ec8d08a Mon Sep 17 00:00:00 2001 From: Romuald Conty Date: Tue, 14 Sep 2010 09:38:43 +0000 Subject: [PATCH] update code in order to use libnfc 1.3.9, minor clean up, and minor enhancements. --- AUTHORS | 1 + Makefile.in | 604 ----- aclocal.m4 | 1037 -------- autogen.sh | 34 - config.h | 100 - config.h.in | 99 - configure | 6743 ----------------------------------------------- configure.ac | 39 +- depcomp | 589 ----- install-sh | 519 ---- missing | 367 --- src/Makefile.am | 6 +- src/mfoc.c | 57 +- src/mifare.c | 86 + src/mifare.h | 127 + src/nfc-utils.c | 191 ++ src/nfc-utils.h | 43 + 17 files changed, 500 insertions(+), 10142 deletions(-) delete mode 100644 Makefile.in delete mode 100644 aclocal.m4 delete mode 100644 autogen.sh delete mode 100644 config.h delete mode 100644 config.h.in delete mode 100644 configure delete mode 100644 depcomp delete mode 100644 install-sh delete mode 100644 missing create mode 100644 src/mifare.c create mode 100644 src/mifare.h create mode 100644 src/nfc-utils.c create mode 100644 src/nfc-utils.h diff --git a/AUTHORS b/AUTHORS index 3e7ad85..50e5e74 100644 --- a/AUTHORS +++ b/AUTHORS @@ -6,3 +6,4 @@ Pavol Luptak - project leader, minor coding, testing and bugreporting = Contributors Michal Boska - porting to libnfc 1.3.3 +Romuald Conty - porting to libnfc 1.3.9 diff --git a/Makefile.in b/Makefile.in deleted file mode 100644 index 8f65504..0000000 --- a/Makefile.in +++ /dev/null @@ -1,604 +0,0 @@ -# Makefile.in generated by automake 1.10.2 from Makefile.am. -# @configure_input@ - -# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, -# 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc. -# This Makefile.in is free software; the Free Software Foundation -# gives unlimited permission to copy and/or distribute it, -# with or without modifications, as long as this notice is preserved. - -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY, to the extent permitted by law; without -# even the implied warranty of MERCHANTABILITY or FITNESS FOR A -# PARTICULAR PURPOSE. - -@SET_MAKE@ -VPATH = @srcdir@ -pkgdatadir = $(datadir)/@PACKAGE@ -pkglibdir = $(libdir)/@PACKAGE@ -pkgincludedir = $(includedir)/@PACKAGE@ -am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd -install_sh_DATA = $(install_sh) -c -m 644 -install_sh_PROGRAM = $(install_sh) -c -install_sh_SCRIPT = $(install_sh) -c -INSTALL_HEADER = $(INSTALL_DATA) -transform = $(program_transform_name) -NORMAL_INSTALL = : -PRE_INSTALL = : -POST_INSTALL = : -NORMAL_UNINSTALL = : -PRE_UNINSTALL = : -POST_UNINSTALL = : -subdir = . -DIST_COMMON = README $(am__configure_deps) $(srcdir)/Makefile.am \ - $(srcdir)/Makefile.in $(srcdir)/config.h.in \ - $(top_srcdir)/configure AUTHORS COPYING ChangeLog INSTALL NEWS \ - depcomp install-sh missing -ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 -am__aclocal_m4_deps = $(top_srcdir)/configure.ac -am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \ - $(ACLOCAL_M4) -am__CONFIG_DISTCLEAN_FILES = config.status config.cache config.log \ - configure.lineno config.status.lineno -mkinstalldirs = $(install_sh) -d -CONFIG_HEADER = config.h -CONFIG_CLEAN_FILES = -SOURCES = -DIST_SOURCES = -RECURSIVE_TARGETS = all-recursive check-recursive dvi-recursive \ - html-recursive info-recursive install-data-recursive \ - install-dvi-recursive install-exec-recursive \ - install-html-recursive install-info-recursive \ - install-pdf-recursive install-ps-recursive install-recursive \ - installcheck-recursive installdirs-recursive pdf-recursive \ - ps-recursive uninstall-recursive -RECURSIVE_CLEAN_TARGETS = mostlyclean-recursive clean-recursive \ - distclean-recursive maintainer-clean-recursive -ETAGS = etags -CTAGS = ctags -DIST_SUBDIRS = $(SUBDIRS) -DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST) -distdir = $(PACKAGE)-$(VERSION) -top_distdir = $(distdir) -am__remove_distdir = \ - { test ! 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Check the \`README' file, - it often tells you about the needed prerequisites for installing - this package. You may also peek at any GNU archive site, in case - some other package would contain this missing \`$1' program." - exit 1 - ;; -esac - -exit 0 - -# Local variables: -# eval: (add-hook 'write-file-hooks 'time-stamp) -# time-stamp-start: "scriptversion=" -# time-stamp-format: "%:y-%02m-%02d.%02H" -# time-stamp-end: "$" -# End: diff --git a/src/Makefile.am b/src/Makefile.am index c98571a..3e74282 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -1,7 +1,7 @@ bin_PROGRAMS = mfoc -# set the include path found by configure -mfoc_SOURCES = mfoc.c crapto1.c crypto1.c -mfoc_LDADD = -lnfc +noinst_HEADERS = crapto1.h mfoc.h mifare.h nfc-utils.h +mfoc_SOURCES = crapto1.c crypto1.c mfoc.c mifare.c nfc-utils.c +mfoc_LDADD = @LIBNFC_LIBS@ # dist_man_MANS = mfoc.1 diff --git a/src/mfoc.c b/src/mfoc.c index 0cc433b..549b0f5 100644 --- a/src/mfoc.c +++ b/src/mfoc.c @@ -21,6 +21,7 @@ Contact: Porting to libnfc 1.3.3: Michal Boska + Porting to libnfc 1.3.9: Romuald Conty URL http://eprint.iacr.org/2009/137.pdf URL http://www.sos.cs.ru.nl/applications/rfid/2008-esorics.pdf @@ -28,17 +29,21 @@ URL http://www.cs.ru.nl/~petervr/papers/grvw_2009_pickpocket.pdf */ -#ifndef PACKAGE_STRING - #define PACKAGE_STRING "0.08" -#endif - #include #include #include #include + +// NFC #include -#include + +// Crapto1 #include "crapto1.h" + +// Internal +#include "config.h" +#include "mifare.h" +#include "nfc-utils.h" #include "mfoc.h" int main(int argc, char * const argv[]) { @@ -61,13 +66,14 @@ int main(int argc, char * const argv[]) { // Array with default Mifare Classic keys byte_t defaultKeys[][6] = { - {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, // First key - {0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5}, // Second key - {0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5}, // Third key - {0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, + {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, // User defined key slot + {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, // Default key (first key used by program if no user defined key) + {0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5}, // NFCForum MAD key + {0xd3, 0xf7, 0xd3, 0xf7, 0xd3, 0xf7}, // NFCForum content key + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // Blank key + {0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5}, {0x4d, 0x3a, 0x99, 0xc3, 0x51, 0xdd}, {0x1a, 0x98, 0x2c, 0x7e, 0x45, 0x9a}, - {0xd3, 0xf7, 0xd3, 0xf7, 0xd3, 0xf7}, {0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff}, {0x71, 0x4c, 0x5c, 0x88, 0x6e, 0x97}, {0x58, 0x7e, 0xe5, 0xf9, 0x35, 0x0f}, @@ -89,7 +95,7 @@ int main(int argc, char * const argv[]) { bKeys *bk; static mifare_param mp; - static mifare_tag mtDump; + static mifare_classic_tag mtDump; mifare_cmd mc; FILE *pfDump = NULL; @@ -459,9 +465,9 @@ int main(int argc, char * const argv[]) { } void usage(FILE * stream, int errno) { - fprintf(stream, "mfoc %s\n\n", PACKAGE_STRING); + fprintf(stream, "mfoc %s\n\n", PACKAGE_VERSION); fprintf(stream, "usage: mfoc [-h] [-P probnum] [-T tolerance] [-k custom_key] [-O output]\n\n"); - fprintf(stream, "example: mfoc\n"); + fprintf(stream, "example: mfoc -O card_dump\n"); fprintf(stream, "example: mfoc -k ffffeeeedddd -O card_dump\n"); fprintf(stream, "example: mfoc -P 50 -O card_dump\n"); fprintf(stream, "\n"); @@ -502,7 +508,7 @@ void mf_configure(nfc_device_t* pdi) { void mf_select_tag(nfc_device_t* pdi, nfc_target_info_t* ti) { // Poll for a ISO14443A (MIFARE) tag - if (!nfc_initiator_select_tag(pdi,NM_ISO14443A_106,NULL,0,ti)) { + if (!nfc_initiator_select_passive_target(pdi,NM_ISO14443A_106,NULL,0,ti)) { fprintf(stderr, "!Error connecting to the MIFARE Classic tag\n"); nfc_disconnect(pdi); exit(1); @@ -541,7 +547,7 @@ int find_exploit_sector(mftag t) { } void mf_anticollision(mftag t, mfreader r) { - if (!nfc_initiator_select_tag(r.pdi, NM_ISO14443A_106, NULL, 0, &t.ti)) { + if (!nfc_initiator_select_passive_target(r.pdi, NM_ISO14443A_106, NULL, 0, &t.ti)) { fprintf(stderr, "\n\n!Error: tag has been removed\n"); exit(1); } @@ -580,13 +586,26 @@ int mf_enhanced_auth(int e_sector, int a_sector, mftag t, mfreader r, denonce *d // print_hex(Auth, 4); // We need full control over the CRC - nfc_configure(r.pdi,NDO_HANDLE_CRC,false); - + if (!nfc_configure(r.pdi, NDO_HANDLE_CRC, false)) { + nfc_perror (r.pdi, "nfc_configure"); + exit (EXIT_FAILURE); + } + // Request plain tag-nonce // fprintf(stdout, "\t[Nt]:\t"); + if (!nfc_configure (r.pdi, NDO_EASY_FRAMING, false)) { + nfc_perror (r.pdi, "nfc_configure"); + exit (EXIT_FAILURE); + } + if (!nfc_initiator_transceive_bytes(r.pdi, Auth, 4, Rx, &RxLen)) { - fprintf(stdout, "Error requesting plain tag-nonce\n"); - exit(1); + fprintf(stdout, "Error while requesting plain tag-nonce\n"); + exit(EXIT_FAILURE); + } + + if (!nfc_configure (r.pdi, NDO_EASY_FRAMING, true)) { + nfc_perror (r.pdi, "nfc_configure"); + exit (EXIT_FAILURE); } // print_hex(Rx, 4); diff --git a/src/mifare.c b/src/mifare.c new file mode 100644 index 0000000..f7e0082 --- /dev/null +++ b/src/mifare.c @@ -0,0 +1,86 @@ +#include "mifare.h" + +#include + +#include + +/** + * @brief Execute a MIFARE Classic Command + * @return Returns true if action was successfully performed; otherwise returns false. + * @param pmp Some commands need additional information. This information should be supplied in the mifare_param union. + * + * The specified MIFARE command will be executed on the tag. There are different commands possible, they all require the destination block number. + * @note There are three different types of information (Authenticate, Data and Value). + * + * First an authentication must take place using Key A or B. It requires a 48 bit Key (6 bytes) and the UID. + * They are both used to initialize the internal cipher-state of the PN53X chip (http://libnfc.org/hardware/pn53x-chip). + * After a successful authentication it will be possible to execute other commands (e.g. Read/Write). + * The MIFARE Classic Specification (http://www.nxp.com/acrobat/other/identification/M001053_MF1ICS50_rev5_3.pdf) explains more about this process. + */ +bool +nfc_initiator_mifare_cmd (nfc_device_t * pnd, const mifare_cmd mc, const uint8_t ui8Block, mifare_param * pmp) +{ + byte_t abtRx[265]; + size_t szRxLen; + size_t szParamLen; + byte_t abtCmd[265]; + + // Make sure we are dealing with a active device + if (!pnd->bActive) + return false; + + abtCmd[0] = mc; // The MIFARE Classic command + abtCmd[1] = ui8Block; // The block address (1K=0x00..0x39, 4K=0x00..0xff) + + switch (mc) { + // Read and store command have no parameter + case MC_READ: + case MC_STORE: + szParamLen = 0; + break; + + // Authenticate command + case MC_AUTH_A: + case MC_AUTH_B: + szParamLen = sizeof (mifare_param_auth); + break; + + // Data command + case MC_WRITE: + szParamLen = sizeof (mifare_param_data); + break; + + // Value command + case MC_DECREMENT: + case MC_INCREMENT: + case MC_TRANSFER: + szParamLen = sizeof (mifare_param_value); + break; + + // Please fix your code, you never should reach this statement + default: + return false; + break; + } + + // When available, copy the parameter bytes + if (szParamLen) + memcpy (abtCmd + 2, (byte_t *) pmp, szParamLen); + + // Fire the mifare command + if (!nfc_initiator_transceive_bytes (pnd, abtCmd, 2 + szParamLen, abtRx, &szRxLen)) { + if (pnd->iLastError != 0x14) + nfc_perror (pnd, "nfc_initiator_transceive_bytes"); + return false; + } + // When we have executed a read command, copy the received bytes into the param + if (mc == MC_READ) { + if (szRxLen == 16) { + memcpy (pmp->mpd.abtData, abtRx, 16); + } else { + return false; + } + } + // Command succesfully executed + return true; +} diff --git a/src/mifare.h b/src/mifare.h new file mode 100644 index 0000000..76019d0 --- /dev/null +++ b/src/mifare.h @@ -0,0 +1,127 @@ +/** + * Public platform independent Near Field Communication (NFC) library + * + * Copyright (C) 2009, Roel Verdult, 2010, Romuald Conty + * + * This program is free software: you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as published by the + * Free Software Foundation, either version 3 of the License, or (at your + * option) any later version. + * + * This program 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 Lesser General Public License + * along with this program. If not, see + * + * + * @file mifaretag.h + * @brief provide samples structs and functions to manipulate MIFARE Classic and Ultralight tags using libnfc + */ + +#ifndef _LIBNFC_MIFARE_H_ +# define _LIBNFC_MIFARE_H_ + +# include + +// Compiler directive, set struct alignment to 1 byte_t for compatibility +# pragma pack(1) + +typedef enum { + MC_AUTH_A = 0x60, + MC_AUTH_B = 0x61, + MC_READ = 0x30, + MC_WRITE = 0xA0, + MC_TRANSFER = 0xB0, + MC_DECREMENT = 0xC0, + MC_INCREMENT = 0xC1, + MC_STORE = 0xC2 +} mifare_cmd; + +// MIFARE command params +typedef struct { + byte_t abtKey[6]; + byte_t abtUid[4]; +} mifare_param_auth; + +typedef struct { + byte_t abtData[16]; +} mifare_param_data; + +typedef struct { + byte_t abtValue[4]; +} mifare_param_value; + +typedef union { + mifare_param_auth mpa; + mifare_param_data mpd; + mifare_param_value mpv; +} mifare_param; + +// Reset struct alignment to default +# pragma pack() + +bool nfc_initiator_mifare_cmd (nfc_device_t * pnd, const mifare_cmd mc, const uint8_t ui8Block, mifare_param * pmp); + +// Compiler directive, set struct alignment to 1 byte_t for compatibility +# pragma pack(1) + +// MIFARE Classic +typedef struct { + byte_t abtUID[4]; + byte_t btBCC; + byte_t btUnknown; + byte_t abtATQA[2]; + byte_t abtUnknown[8]; +} mifare_classic_block_manufacturer; + +typedef struct { + byte_t abtData[16]; +} mifare_classic_block_data; + +typedef struct { + byte_t abtKeyA[6]; + byte_t abtAccessBits[4]; + byte_t abtKeyB[6]; +} mifare_classic_block_trailer; + +typedef union { + mifare_classic_block_manufacturer mbm; + mifare_classic_block_data mbd; + mifare_classic_block_trailer mbt; +} mifare_classic_block; + +typedef struct { + mifare_classic_block amb[256]; +} mifare_classic_tag; + +// MIFARE Ultralight +typedef struct { + byte_t sn0[3]; + byte_t btBCC0; + byte_t sn1[4]; + byte_t btBCC1; + byte_t internal; + byte_t lock[2]; + byte_t otp[4]; +} mifareul_block_manufacturer; + +typedef struct { + byte_t abtData[16]; +} mifareul_block_data; + +typedef union { + mifareul_block_manufacturer mbm; + mifareul_block_data mbd; +} mifareul_block; + +typedef struct { + mifareul_block amb[4]; +} mifareul_tag; + +// Reset struct alignment to default +# pragma pack() + +#endif // _LIBNFC_MIFARE_H_ diff --git a/src/nfc-utils.c b/src/nfc-utils.c new file mode 100644 index 0000000..494cc8d --- /dev/null +++ b/src/nfc-utils.c @@ -0,0 +1,191 @@ +#include + +#include "nfc-utils.h" + +static const byte_t OddParity[256] = { + 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, + 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, + 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, + 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, + 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, + 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, + 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, + 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, + 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, + 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, + 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, + 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, + 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, + 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, + 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, + 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1 +}; + +byte_t +oddparity (const byte_t bt) +{ + return OddParity[bt]; +} + +void +oddparity_bytes_ts (const byte_t * pbtData, const size_t szLen, byte_t * pbtPar) +{ + size_t szByteNr; + // Calculate the parity bits for the command + for (szByteNr = 0; szByteNr < szLen; szByteNr++) { + pbtPar[szByteNr] = OddParity[pbtData[szByteNr]]; + } +} + +void +print_hex (const byte_t * pbtData, const size_t szBytes) +{ + size_t szPos; + + for (szPos = 0; szPos < szBytes; szPos++) { + printf ("%02x ", pbtData[szPos]); + } + printf ("\n"); +} + +void +print_hex_bits (const byte_t * pbtData, const size_t szBits) +{ + uint8_t uRemainder; + size_t szPos; + size_t szBytes = szBits / 8; + + for (szPos = 0; szPos < szBytes; szPos++) { + printf ("%02x ", pbtData[szPos]); + } + + uRemainder = szBits % 8; + // Print the rest bits + if (uRemainder != 0) { + if (uRemainder < 5) + printf ("%01x (%d bits)", pbtData[szBytes], uRemainder); + else + printf ("%02x (%d bits)", pbtData[szBytes], uRemainder); + } + printf ("\n"); +} + +void +print_hex_par (const byte_t * pbtData, const size_t szBits, const byte_t * pbtDataPar) +{ + uint8_t uRemainder; + size_t szPos; + size_t szBytes = szBits / 8; + + for (szPos = 0; szPos < szBytes; szPos++) { + printf ("%02x", pbtData[szPos]); + if (OddParity[pbtData[szPos]] != pbtDataPar[szPos]) { + printf ("! "); + } else { + printf (" "); + } + } + + uRemainder = szBits % 8; + // Print the rest bits, these cannot have parity bit + if (uRemainder != 0) { + if (uRemainder < 5) + printf ("%01x (%d bits)", pbtData[szBytes], uRemainder); + else + printf ("%02x (%d bits)", pbtData[szBytes], uRemainder); + } + printf ("\n"); +} + +#define SAK_ISO14443_4_COMPLIANT 0x20 +#define SAK_ISO18092_COMPLIANT 0x40 + +void +print_nfc_iso14443a_info (const nfc_iso14443a_info_t nai) +{ + printf (" ATQA (SENS_RES): "); + print_hex (nai.abtAtqa, 2); + printf (" UID (NFCID%c): ", (nai.abtUid[0] == 0x08 ? '3' : '1')); + print_hex (nai.abtUid, nai.szUidLen); + printf (" SAK (SEL_RES): "); + print_hex (&nai.btSak, 1); + if (nai.szAtsLen) { + printf (" ATS (ATR): "); + print_hex (nai.abtAts, nai.szAtsLen); + } + if ((nai.btSak & SAK_ISO14443_4_COMPLIANT) || (nai.btSak & SAK_ISO18092_COMPLIANT)) { + printf (" Compliant with: "); + if (nai.btSak & SAK_ISO14443_4_COMPLIANT) + printf ("ISO/IEC 14443-4 "); + if (nai.btSak & SAK_ISO18092_COMPLIANT) + printf ("ISO/IEC 18092"); + printf ("\n"); + } +} + +void +print_nfc_felica_info (const nfc_felica_info_t nfi) +{ + printf (" ID (NFCID2): "); + print_hex (nfi.abtId, 8); + printf (" Parameter (PAD): "); + print_hex (nfi.abtPad, 8); +} + +void +print_nfc_iso14443b_info (const nfc_iso14443b_info_t nbi) +{ + printf (" ATQB: "); + print_hex (nbi.abtAtqb, 12); + printf (" ID: "); + print_hex (nbi.abtId, 4); + printf (" CID: %02x\n", nbi.btCid); + if (nbi.szInfLen > 0) { + printf (" INF: "); + print_hex (nbi.abtInf, nbi.szInfLen); + } + printf (" PARAMS: %02x %02x %02x %02x\n", nbi.btParam1, nbi.btParam2, nbi.btParam3, nbi.btParam4); +} + +/** + * @brief Tries to parse arguments to find device descriptions. + * @return Returns the list of found device descriptions. + */ +nfc_device_desc_t * +parse_device_desc (int argc, const char *argv[], size_t * szFound) +{ + nfc_device_desc_t *pndd = 0; + int arg; + *szFound = 0; + + // Get commandline options + for (arg = 1; arg < argc; arg++) { + + if (0 == strcmp (argv[arg], "--device")) { + + if (argc > arg + 1) { + char buffer[256]; + + pndd = malloc (sizeof (nfc_device_desc_t)); + + strncpy (buffer, argv[++arg], 256); + + // Driver. + pndd->pcDriver = (char *) malloc (256); + strcpy (pndd->pcDriver, strtok (buffer, ":")); + + // Port. + pndd->pcPort = (char *) malloc (256); + strcpy (pndd->pcPort, strtok (NULL, ":")); + + // Speed. + sscanf (strtok (NULL, ":"), "%u", &pndd->uiSpeed); + + *szFound = 1; + } + break; + } + } + + return pndd; +} diff --git a/src/nfc-utils.h b/src/nfc-utils.h new file mode 100644 index 0000000..5f7ea46 --- /dev/null +++ b/src/nfc-utils.h @@ -0,0 +1,43 @@ +/** + * Public platform independent Near Field Communication (NFC) library + * + * Copyright (C) 2010, Romuald Conty + * + * This program is free software: you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as published by the + * Free Software Foundation, either version 3 of the License, or (at your + * option) any later version. + * + * This program 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 Lesser General Public License + * along with this program. If not, see + * + * + * @file nfc-utils.h + * @brief Provide some examples shared functions like print, parity calculation, options parsing. + */ + +#ifndef _EXAMPLES_NFC_UTILS_H_ +# define _EXAMPLES_NFC_UTILS_H_ + +# include +# include + +byte_t oddparity (const byte_t bt); +void oddparity_byte_ts (const byte_t * pbtData, const size_t szLen, byte_t * pbtPar); + +void print_hex (const byte_t * pbtData, const size_t szLen); +void print_hex_bits (const byte_t * pbtData, const size_t szBits); +void print_hex_par (const byte_t * pbtData, const size_t szBits, const byte_t * pbtDataPar); + +void print_nfc_iso14443a_info (const nfc_iso14443a_info_t nai); +void print_nfc_iso14443b_info (const nfc_iso14443b_info_t nbi); +void print_nfc_felica_info (const nfc_felica_info_t nfi); + +nfc_device_desc_t *parse_device_desc (int argc, const char *argv[], size_t * szFound); + +#endif