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| -rw-r--r-- | bin/man/msr606.1 | 105 | ||||
| -rw-r--r-- | bin/msr606.c | 274 |
2 files changed, 0 insertions, 379 deletions
diff --git a/bin/man/msr606.1 b/bin/man/msr606.1 deleted file mode 100644 index fc18635b..00000000 --- a/bin/man/msr606.1 +++ /dev/null @@ -1,105 +0,0 @@ -.Dd November 7, 2018 -.Dt MSR606 1 -.Os "Causal Agency" -. -.Sh NAME -.Nm msr606 -.Nd magnetic stripe card reader/writer -. -.Sh SYNOPSIS -.Nm -.Op Fl RTWchiltwz -.Op Fl L Ar led -.Op Fl Z Ar zero -.Op Fl b Ar bpc -.Op Fl e Ar track -.Op Fl f Ar tty -. -.Sh DESCRIPTION -.Nm -operates the MSR606 magnetic stripe card reader/writer. -. -.Pp -The arguments are as follows: -.Bl -tag -width Ds -. -.It Fl L Ar led -Set LEDs. -The values for -.Ar led -are: -.Sy n -for none, -.Sy a -for all, -.Sy g -for green, -.Sy y -for yellow, -.Sy r -for red. -. -.It Fl R -Read raw data from a card to standard output. -. -.It Fl T -Perform a sensor test. -. -.It Fl W -Write raw data to a card from standard input. -. -.It Fl Z Ar zero -Set leading zero. -.Ar zero -is a comma-separated list of two numbers -indicating the leading zero setting -for tracks 1 & 3 -and track 2, -respectively. -. -.It Fl b Ar bpc -Set bits per character for each track. -.Ar bpc -is a comma-separated list of 3 numbers -indicating the BPC for each track. -Valid values range from 5 to 8. -. -.It Fl c -Print the coercivity status. -. -.It Fl e Ar track -Erase a card. -.Ar track -is a number from 1 to 7 -representing a 3-bit set -of tracks to erase. -. -.It Fl f Ar tty -Open the device -.Ar tty . -The default device is -.Pa /dev/ttyUSB0 . -. -.It Fl h -Set high coercivity. -. -.It Fl i -Reset the device. -. -.It Fl l -Set low coercivity. -. -.It Fl r -Read ISO format data from card to standard output. -. -.It Fl t -Perform communication and RAM tests. -Print the hardware model and firmware version. -This is the default operation. -. -.It Fl w -Write ISO format data to card from standard input. -. -.It Fl z -Print the leading zero setting. -.El diff --git a/bin/msr606.c b/bin/msr606.c deleted file mode 100644 index 9ea8b94e..00000000 --- a/bin/msr606.c +++ /dev/null @@ -1,274 +0,0 @@ -/* Copyright (C) 2018 June McEnroe <june@causal.agency> - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU Affero 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 Affero General Public License for more details. - * - * You should have received a copy of the GNU Affero General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#include <err.h> -#include <fcntl.h> -#include <stdio.h> -#include <stdlib.h> -#include <sysexits.h> -#include <termios.h> -#include <unistd.h> - -enum { - Esc = 0x1B, - FS = 0x1C, -}; - -static const char *path = "/dev/ttyUSB0"; -static FILE *tty; - -static char ttyGet(void) { - int ch = fgetc(tty); - if (ferror(tty)) err(EX_IOERR, "%s", path); - if (ch == EOF) errx(EX_PROTOCOL, "unexpected EOF"); - return ch; -} - -static void ttyPut(char ch) { - fputc(ch, tty); - if (ferror(tty)) err(EX_IOERR, "%s", path); -} - -static void msrReq(char req) { - ttyPut(Esc); - ttyPut(req); -} -static char msrRes(void) { - char esc = ttyGet(); - if (esc != Esc) errx(EX_PROTOCOL, "response fail %hhX", esc); - return ttyGet(); -} -static char msr(char req) { - msrReq(req); - return msrRes(); -} - -static void msrReset(void) { - msrReq('a'); -} - -static void msrTest(void) { - char test = msr('e'); - if (test != 'y') errx(EX_PROTOCOL, "test fail %hhX", test); - - char ram = msr(0x87); - if (ram != '0') errx(EX_PROTOCOL, "ram fail %hhX", ram); - - msrReq('t'); - printf("model: %c%c\n", msrRes(), ttyGet()); - - printf("firmware: %hhu\n", msr('v')); -} - -static void msrSensorTest(void) { - char test = msr(0x86); - if (test != '0') errx(EX_PROTOCOL, "sensor fail %hhX", test); -} - -static void msrLED(char led) { - switch (led) { - break; case 'a': msrReq(0x82); - break; case 'g': msrReq(0x83); - break; case 'y': msrReq(0x84); - break; case 'r': msrReq(0x85); - break; default: msrReq(0x81); - } -} - -static void msrSetZero(char track1, char track2) { - msrReq('z'); - ttyPut(track1); - ttyPut(track2); - char zero = msrRes(); - if (zero != '0') errx(EX_PROTOCOL, "set leading zero fail %hhX", zero); -} - -static void msrGetZero(void) { - char track1 = msr('l'); - char track2 = ttyGet(); - printf("leading zero: %hhu,%hhu\n", track1, track2); -} - -static void msrSetBPI(char track1, char track2, char track3) { - msrReq('b'); - switch (track) { - break; case 1: ttyPut(bpi == 210 ? 0xA1 : 0xA0); - break; case 2: ttyPut(bpi == 210 ? 0xD2 : 0x4B); - break; case 3: ttyPut(bpi == 210 ? 0xC1 : 0xC0); - break; default: ttyPut(0); - } - char set = msrRes(); - if (set != '0') errx(EX_PROTOCOL, "set BPI fail %hhX", set); -} - -static void msrSetBPC(char track1, char track2, char track3) { - msrReq('o'); - ttyPut(track1); - ttyPut(track2); - ttyPut(track3); - char bpc = msrRes(); - if (bpc != '0') errx(EX_PROTOCOL, "set BPC fail %hhX", bpc); - track1 = ttyGet(); - track2 = ttyGet(); - track3 = ttyGet(); - printf("BPC: %hhu,%hhu,%hhu\n", track1, track2, track3); -} - -static void msrHiCo(void) { - char co = msr('x'); - if (co != '0') errx(EX_PROTOCOL, "hi-co fail %hhX", co); -} - -static void msrLoCo(void) { - char co = msr('y'); - if (co != '0') errx(EX_PROTOCOL, "lo-co fail %hhX", co); -} - -static void msrGetCo(void) { - char co = msr('d'); - switch (co) { - break; case 'h': printf("hi-co\n"); - break; case 'l': printf("lo-co\n"); - break; default: errx(EX_PROTOCOL, "get co fail %hhX", co); - } -} - -static void msrStatus(void) { - char status = msrRes(); - switch (status) { - case '0': return; - case '1': errx(EX_DATAERR, "read/write error"); - case '2': errx(EX_DATAERR, "command format error"); - case '4': errx(EX_DATAERR, "invalid command"); - case '9': errx(EX_DATAERR, "invalid card swipe"); - default: errx(EX_PROTOCOL, "status fail %hhX", status); - } -} - -static void msrRead(void) { - char read = msr('r'); - if (read != 's') errx(EX_PROTOCOL, "read fail %hhX", read); - for (;;) { - read = ttyGet(); - if (read == '?') { - read = ttyGet(); - if (read == FS) break; - printf("?"); - } - printf("%c", read); - } - msrStatus(); -} - -static void msrWrite(void) { - msrReq('w'); - msrReq('s'); - int write; - while (EOF != (write = getchar())) { - ttyPut(write); - } - ttyPut('?'); - ttyPut(FS); - msrStatus(); -} - -static void msrErase(char track) { - msrReq('c'); - ttyPut(track); - char erase = msrRes(); - if (erase != '0') errx(EX_PROTOCOL, "erase fail %hhX", erase); -} - -static void msrReadRaw(void) { - char read = msr('m'); - if (read != 's') errx(EX_PROTOCOL, "read raw fail %hhX", read); - for (;;) { - read = ttyGet(); - if (read == '?') { - read = ttyGet(); - if (read == FS) break; - printf("?"); - } - printf("%c", read); - } - msrStatus(); -} - -static void msrWriteRaw(void) { - msrReq('n'); - msrReq('s'); - int write; - while (EOF != (write = getchar())) { - ttyPut(write); - } - ttyPut('?'); - ttyPut(FS); - msrStatus(); -} - -static char parse(char **arg) { - char n = strtoul(*arg, arg, 0); - if ((*arg)[0]) (*arg)++; - return n; -} - -int main(int argc, char *argv[]) { - char func = 't'; - char *arg = NULL; - - int opt; - while (0 < (opt = getopt(argc, argv, "L:RTWZ:b:cd:e:f:hilrtwz"))) { - switch (opt) { - break; case 'f': path = optarg; - break; case '?': return EX_USAGE; - break; default: func = opt; arg = optarg; - } - } - - int fd = open(path, O_RDWR); - if (fd < 0) err(EX_NOINPUT, "%s", path); - - struct termios attr; - int error = tcgetattr(fd, &attr); - if (error) err(EX_IOERR, "tcgetattr"); - - cfmakeraw(&attr); - error = tcsetattr(fd, TCSANOW, &attr); - if (error) err(EX_IOERR, "tcsetattr"); - - tty = fdopen(fd, "r+"); - if (!tty) err(EX_IOERR, "fdopen"); - - switch (func) { - break; case 'L': msrLED(arg[0]); - break; case 'R': msrReadRaw(); - break; case 'T': msrSensorTest(); - break; case 'W': msrWriteRaw(); - break; case 'Z': msrSetZero(parse(&arg), parse(&arg)); - break; case 'b': msrSetBPC(parse(&arg), parse(&arg), parse(&arg)); - break; case 'c': msrGetCo(); - break; case 'd': msrSetBPI(parse(&arg), parse(&arg)); - break; case 'e': msrErase(arg[0] - '0'); - break; case 'h': msrHiCo(); - break; case 'i': msrReset(); - break; case 'l': msrLoCo(); - break; case 'r': msrRead(); - break; case 't': msrTest(); - break; case 'w': msrWrite(); - break; case 'z': msrGetZero(); - break; default: return EX_USAGE; - } -} |