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https://github.com/pentoo/pentoo-overlay
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added mfoc - Mifare Classic Offline Cracker
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jensp
parent
910ddcb0b3
commit
a99a03d94e
3 changed files with 248 additions and 0 deletions
3
net-wireless/mfoc/Manifest
Normal file
3
net-wireless/mfoc/Manifest
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@ -0,0 +1,3 @@
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AUX mfoc-libnfc-1.5.1.patch 8908 RMD160 8d94b6c35fc786263afa6edff01adec42a7a094e SHA1 a85959cfe99fc5c82ec0f3ec2b4d091f444cb430 SHA256 dd6334ffa5939f11260d6bc7f5b4960162260348812ff4cc65478e51302be436
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DIST mfoc-0.10.2.tar.gz 112864 RMD160 a74ccdc22f4ead364872bac0beee0564c53f2be2 SHA1 cce1662300eeab303d375f746dd52e515e2f0e99 SHA256 fc38b990bf37b6416949d0a7c6481bdd8a67698cbb4dcae00c0576fd10845cb0
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EBUILD mfoc-0.10.2.ebuild 550 RMD160 8261f1420540deb08b1fa471bd785cda0d8d4dd8 SHA1 2a4d69343b95a759d5b683a43c48029088204e67 SHA256 81af43a5574b1c0cceba3d2b7dc8cf7af59ffb396c1f51d8723c12b56bf22fe9
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217
net-wireless/mfoc/files/mfoc-libnfc-1.5.1.patch
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217
net-wireless/mfoc/files/mfoc-libnfc-1.5.1.patch
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@ -0,0 +1,217 @@
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diff -Nru mfoc-0.10.2/src//mfoc.c mfoc/src//mfoc.c
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--- mfoc-0.10.2/src//mfoc.c 2011-05-18 11:18:29.000000000 +0200
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+++ mfoc/src//mfoc.c 2012-02-11 02:02:27.028185737 +0100
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@@ -70,11 +70,11 @@
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bool skip = false;
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// Next default key specified as option (-k)
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- byte_t * defKey = NULL;
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+ byte_t * defKeys = NULL, *p;
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+ size_t defKeys_len = 0;
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// Array with default Mifare Classic keys
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byte_t defaultKeys[][6] = {
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- {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, // User defined key slot
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{0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, // Default key (first key used by program if no user defined key)
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{0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5}, // NFCForum MAD key
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{0xd3, 0xf7, 0xd3, 0xf7, 0xd3, 0xf7}, // NFCForum content key
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@@ -128,16 +128,17 @@
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// fprintf(stdout, "Tolerance number: %d\n", probes);
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break;
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case 'k':
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- // Add this key to the default keys list
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- if ((defKey = calloc(6, sizeof(byte_t))) == NULL) {
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- ERR ("Cannot allocate memory for defKey");
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+ // Add this key to the default keys
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+ p = realloc(defKeys, defKeys_len + 6);
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+ if (!p) {
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+ ERR ("Cannot allocate memory for defKeys");
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exit (EXIT_FAILURE);
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- } else {
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- bzero(defKey, 6);
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- num_to_bytes(strtoll(optarg, NULL, 16), 6, defKey);
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- memcpy(defaultKeys[0], defKey, 6);
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}
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- fprintf(stdout, "The custom key 0x%012llx has been added to the default keys\n", bytes_to_num(defKey, 6));
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+ defKeys = p;
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+ memset(defKeys+defKeys_len, 0, 6);
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+ num_to_bytes(strtoll(optarg, NULL, 16), 6, defKeys+defKeys_len);
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+ fprintf(stdout, "The custom key 0x%012llx has been added to the default keys\n", bytes_to_num(defKeys+defKeys_len, 6));
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+ defKeys_len = defKeys_len + 6;
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break;
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case 'O':
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@@ -252,9 +253,16 @@
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memcpy(mp.mpa.abtUid, t.nt.nti.nai.abtUid, sizeof(mp.mpa.abtUid));
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// Iterate over all keys (n = number of keys)
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n = sizeof(defaultKeys)/sizeof(defaultKeys[0]);
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- for (key = 0; key < n; key++) {
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- if (key == 0 && defKey == NULL) ++key; // Custom key not provided, try another key
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- memcpy(mp.mpa.abtKey, defaultKeys[key], sizeof(mp.mpa.abtKey));
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+ size_t defKey_bytes_todo = defKeys_len;
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+ key = 0;
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+ while (key < n) {
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+ if (defKey_bytes_todo > 0) {
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+ memcpy(mp.mpa.abtKey, defKeys + defKeys_len - defKey_bytes_todo, sizeof(mp.mpa.abtKey));
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+ defKey_bytes_todo -= sizeof(mp.mpa.abtKey);
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+ } else {
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+ memcpy(mp.mpa.abtKey, defaultKeys[key], sizeof(mp.mpa.abtKey));
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+ key++;
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+ }
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fprintf(stdout, "[Key: %012llx] -> ", bytes_to_num(mp.mpa.abtKey, 6));
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fprintf(stdout, "[");
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i = 0; // Sector counter
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@@ -511,22 +519,24 @@
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}
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void usage(FILE * stream, int errno) {
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- fprintf(stream, "mfoc %s\n\n", PACKAGE_VERSION);
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- fprintf(stream, "usage: mfoc [-h] [-P probnum] [-T tolerance] [-k custom_key] [-O output]\n\n");
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- fprintf(stream, "example: mfoc -O card_dump\n");
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- fprintf(stream, "example: mfoc -k ffffeeeedddd -O card_dump\n");
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- fprintf(stream, "example: mfoc -P 50 -O card_dump\n");
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- fprintf(stream, "\n");
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- fprintf(stream, " h : print this help\n");
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-// fprintf(stream, " B : instead of 'A' dump 'B' keys\n");
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- fprintf(stream, " k : use a specified key instead of looking for defaults ones\n");
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-// fprintf(stream, " D : number of distance probes, default is 20\n");
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-// fprintf(stream, " S : number of sets with keystreams, default is 5\n");
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- fprintf(stream, " P : number of probes for a key recovery for one sector, default is 20\n");
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- fprintf(stream, " T : range for a possible distance tolerance, default is 20 (40 in both direction)\n");
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-// fprintf(stream, " s : specify the list of sectors to crack, for example -s 0,1,3,5\n");
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- fprintf(stream, " O : dump file where the revealed keys should be stored\n");
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+ fprintf(stream, "Usage: mfoc [-h] [-k key]... [-P probnum] [-T tolerance] [-O output]\n");
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+ fprintf(stream, "\n");
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+ fprintf(stream, " h print this help and exit\n");
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+// fprintf(stream, " B instead of 'A' dump 'B' keys\n");
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+ fprintf(stream, " k try the specified key in addition to the default keys\n");
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+// fprintf(stream, " D number of distance probes, default is 20\n");
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+// fprintf(stream, " S number of sets with keystreams, default is 5\n");
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+ fprintf(stream, " P number of probes per sector, instead of default of 20\n");
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+ fprintf(stream, " T nonce tolerance half-range, instead of default of 20\n (i.e., 40 for the total range, in both directions)\n");
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+// fprintf(stream, " s specify the list of sectors to crack, for example -s 0,1,3,5\n");
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+ fprintf(stream, " O file in which the card contents will be written (REQUIRED)\n");
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+ fprintf(stream, "\n");
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+ fprintf(stream, "Example: mfoc -O mycard.mfd\n");
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+ fprintf(stream, "Example: mfoc -k ffffeeeedddd -O mycard.mfd\n");
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+ fprintf(stream, "Example: mfoc -P 50 -T 30 -O mycard.mfd\n");
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fprintf(stream, "\n");
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+ fprintf(stream, "This is mfoc version %s.\n", PACKAGE_VERSION);
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+ fprintf(stream, "For more information, run: 'man mfoc'.\n");
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exit(errno);
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}
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@@ -534,7 +544,7 @@
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// Connect to the first NFC device
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r->pdi = nfc_connect(NULL);
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if (!r->pdi) {
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- ERR ("Unable to connect to NFC device\n");
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+ printf ("No NFC device found.\n");
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exit (EXIT_FAILURE);
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}
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}
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@@ -671,7 +681,7 @@
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exit (EXIT_FAILURE);
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}
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- if (!nfc_initiator_transceive_bytes(r.pdi, Auth, 4, Rx, &RxLen)) {
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+ if (!nfc_initiator_transceive_bytes(r.pdi, Auth, 4, Rx, &RxLen, NULL)) {
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fprintf(stdout, "Error while requesting plain tag-nonce\n");
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exit(EXIT_FAILURE);
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}
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diff -Nru mfoc-0.10.2/src//mifare.c mfoc/src//mifare.c
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--- mfoc-0.10.2/src//mifare.c 2011-04-04 12:38:30.000000000 +0200
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+++ mfoc/src//mifare.c 2012-02-11 02:02:27.028185737 +0100
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@@ -100,7 +100,7 @@
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return false;
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}
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// Fire the mifare command
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- if (!nfc_initiator_transceive_bytes (pnd, abtCmd, 2 + szParamLen, abtRx, &szRx)) {
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+ if (!nfc_initiator_transceive_bytes (pnd, abtCmd, 2 + szParamLen, abtRx, &szRx, NULL)) {
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if (pnd->iLastError == EINVRXFRAM) {
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// "Invalid received frame" AKA EINVRXFRAM, usual means we are
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// authenticated on a sector but the requested MIFARE cmd (read, write)
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diff -Nru mfoc-0.10.2/src//nfc-utils.c mfoc/src//nfc-utils.c
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--- mfoc-0.10.2/src//nfc-utils.c 2011-04-04 12:01:33.000000000 +0200
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+++ mfoc/src//nfc-utils.c 2012-02-11 02:02:27.028185737 +0100
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@@ -608,6 +608,51 @@
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}
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void
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+print_nfc_iso14443bi_info (const nfc_iso14443bi_info_t nii, bool verbose)
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+{
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+ printf (" DIV: ");
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+ print_hex (nii.abtDIV, 4);
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+ if (verbose) {
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+ int version = (nii.btVerLog & 0x1e)>>1;
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+ printf (" Software Version: ");
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+ if (version == 15) {
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+ printf ("Undefined\n");
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+ } else {
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+ printf ("%i\n", version);
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+ }
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+
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+ if ((nii.btVerLog & 0x80) && (nii.btConfig & 0x80)){
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+ printf (" Wait Enable: yes");
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+ }
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+ }
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+ if ((nii.btVerLog & 0x80) && (nii.btConfig & 0x40)) {
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+ printf (" ATS: ");
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+ print_hex (nii.abtAtr, nii.szAtrLen);
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+ }
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+}
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+
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+void
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+print_nfc_iso14443b2sr_info (const nfc_iso14443b2sr_info_t nsi, bool verbose)
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+{
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+ (void) verbose;
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+ printf (" UID: ");
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+ print_hex (nsi.abtUID, 8);
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+}
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+
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+void
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+print_nfc_iso14443b2ct_info (const nfc_iso14443b2ct_info_t nci, bool verbose)
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+{
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+ (void) verbose;
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+ uint32_t uid;
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+ uid = (nci.abtUID[3] << 24) + (nci.abtUID[2] << 16) + (nci.abtUID[1] << 8) + nci.abtUID[0];
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+ printf (" UID: ");
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+ print_hex (nci.abtUID, sizeof(nci.abtUID));
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+ printf (" UID (decimal): %010u\n", uid);
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+ printf (" Product Code: %02X\n", nci.btProdCode);
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+ printf (" Fab Code: %02X\n", nci.btFabCode);
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+}
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+
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+void
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print_nfc_dep_info (const nfc_dep_info_t ndi, bool verbose)
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{
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(void) verbose;
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@@ -651,8 +696,7 @@
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strcpy (pndd->pcDriver, strtok (buffer, ":"));
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// Port.
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- pndd->pcPort = (char *) malloc (256);
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- strcpy (pndd->pcPort, strtok (NULL, ":"));
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+ strcpy (pndd->acPort, strtok (NULL, ":"));
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// Speed.
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sscanf (strtok (NULL, ":"), "%u", &pndd->uiSpeed);
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@@ -712,6 +756,18 @@
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printf ("ISO/IEC 14443-4B (%s) target:\n", str_nfc_baud_rate(nt.nm.nbr));
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print_nfc_iso14443b_info (nt.nti.nbi, verbose);
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break;
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+ case NMT_ISO14443BI:
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+ printf ("ISO/IEC 14443-4B' (%s) target:\n", str_nfc_baud_rate(nt.nm.nbr));
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+ print_nfc_iso14443bi_info (nt.nti.nii, verbose);
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+ break;
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+ case NMT_ISO14443B2SR:
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+ printf ("ISO/IEC 14443-2B ST SRx (%s) target:\n", str_nfc_baud_rate(nt.nm.nbr));
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+ print_nfc_iso14443b2sr_info (nt.nti.nsi, verbose);
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+ break;
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+ case NMT_ISO14443B2CT:
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+ printf ("ISO/IEC 14443-2B ASK CTx (%s) target:\n", str_nfc_baud_rate(nt.nm.nbr));
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+ print_nfc_iso14443b2ct_info (nt.nti.nci, verbose);
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+ break;
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case NMT_DEP:
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printf ("D.E.P. (%s) target:\n", str_nfc_baud_rate(nt.nm.nbr));
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print_nfc_dep_info (nt.nti.ndi, verbose);
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28
net-wireless/mfoc/mfoc-0.10.2.ebuild
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28
net-wireless/mfoc/mfoc-0.10.2.ebuild
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@ -0,0 +1,28 @@
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# Copyright 1999-2012 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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# $Header: $
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EAPI=3
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inherit eutils autotools
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DESCRIPTION="Mifare Classic Offline Cracker"
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HOMEPAGE="https://code.google.com/p/nfc-tools/wiki/mfoc"
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SRC_URI="https://nfc-tools.googlecode.com/files/mfoc-0.10.2.tar.gz"
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LICENSE="GPL-3"
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SLOT="0"
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KEYWORDS="~amd64"
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IUSE=""
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DEPEND=""
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RDEPEND="${DEPEND}"
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src_prepare() {
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epatch "${FILESDIR}"/${PN}-libnfc-1.5.1.patch || die
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eautoreconf
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}
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src_install() {
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DESTDIR="${D}" emake install || die
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}
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