/* $Id: cmds.c,v 1.9 2001/07/17 21:04:14 rees Exp $ */ /* * Smartcard commander. * Written by Jim Rees and others at University of Michigan. */ /* copyright 2001 the regents of the university of michigan all rights reserved permission is granted to use, copy, create derivative works and redistribute this software and such derivative works for any purpose, so long as the name of the university of michigan is not used in any advertising or publicity pertaining to the use or distribution of this software without specific, written prior authorization. if the above copyright notice or any other identification of the university of michigan is included in any copy of any portion of this software, then the disclaimer below must also be included. this software is provided as is, without representation from the university of michigan as to its fitness for any purpose, and without warranty by the university of michigan of any kind, either express or implied, including without limitation the implied warranties of merchantability and fitness for a particular purpose. the regents of the university of michigan shall not be liable for any damages, including special, indirect, incidental, or consequential damages, with respect to any claim arising out of or in connection with the use of the software, even if it has been or is hereafter advised of the possibility of such damages. */ #include #include #include #include #include #include #include #include "sc.h" #define CARDIOSIZE 200 struct { char *cmd, *help; int (*action) (int ac, char *av[]); } dispatch_table[] = { /* Non-card commands */ { "help", "[command]", help }, { "?", "[command]", help }, { "reset", "[ -1234ivf ]", reset }, { "open", "[ -1234ivf ]", reset }, { "close", "", dclose }, { "quit", "", quit }, /* 7816-4 commands */ { "apdu", "[ -c class ] ins p1 p2 p3 data ...", apdu }, { "fid", "fid", selfid }, { "isearch", "", isearch }, { "class", "[ class ]", class }, { "read", "filesize", dread }, { "write", "input-filename", dwrite }, /* Cyberflex commands */ { "ls", "[ -l ]", ls }, { "acl", "fid [ principal: r1 r2 ... ]", acl }, { "create", "fid size", jcreate }, { "delete", "fid", jdelete }, { "jdefault", "[ -d ]", jdefault }, { "jatr", "", jatr }, { "jdata", "", jdata }, { "login", "[ -d ] [ -v ] [ -x hex-aut0 ]", jlogin }, { "jaut", "", jaut }, { "jload", "[ -p progID ] [ -c contID ] [ -s cont_size ] [ -i inst_size ] [ -a aid ] filename", jload }, { "junload", "[ -p progID ] [ -c contID ]", junload }, { "jselect", "[ -a aid ]", jselect }, { "jdeselect", "", jdeselect }, { "setpass", "[ -d ] [ -x hex-aut0 ]", jsetpass }, { NULL, NULL, NULL } }; int dispatch(int ac, char *av[]) { int i; if (ac < 1) return 0; for (i = 0; dispatch_table[i].cmd; i++) { if (!strncmp(av[0], dispatch_table[i].cmd, strlen(av[0]))) { (dispatch_table[i].action) (ac, av); break; } } if (!dispatch_table[i].cmd) { printf("unknown command \"%s\"\n", av[0]); return -1; } return 0; } int help(int ac, char *av[]) { int i, j; if (ac < 2) { for (i = 0; dispatch_table[i].cmd; i++) printf("%s\n", dispatch_table[i].cmd); } else { for (j = 1; j < ac; j++) { for (i = 0; dispatch_table[i].cmd; i++) if (!strncmp(av[j], dispatch_table[i].cmd, strlen(av[0]))) break; if (dispatch_table[i].help) printf("%s %s\n", dispatch_table[i].cmd, dispatch_table[i].help); else printf("no help on \"%s\"\n", av[j]); } } return 0; } int reset(int ac, char *av[]) { int i, n, oflags = 0, rflags = 0, vflag = 0, sw; unsigned char atr[34]; struct scparam param; optind = optreset = 1; while ((i = getopt(ac, av, "1234ivf")) != -1) { switch (i) { case '1': case '2': case '3': case '4': port = i - '1'; break; case 'i': oflags |= STONOWAIT; break; case 'v': vflag = 1; break; case 'f': rflags |= STRFORCE; break; } } if (fd < 0) { fd = sectok_open(port, oflags, &sw); if (fd < 0) { sectok_print_sw(sw); return -1; } } aut0_vfyd = 0; n = sectok_reset(fd, rflags, atr, &sw); if (vflag) parse_atr(fd, SCRV, atr, n, ¶m); if (!sectok_swOK(sw)) { printf("sectok_reset: %s\n", sectok_get_sw(sw)); dclose(0, NULL); return -1; } return 0; } int dclose(int ac, char *av[]) { if (fd >= 0) { scclose(fd); fd = -1; } return 0; } int quit(int ac, char *av[]) { exit(0); } int apdu(int ac, char *av[]) { int i, ilen, olen, n, ins, xcl = cla, p1, p2, p3, sw; unsigned char ibuf[256], obuf[256], *bp; optind = optreset = 1; while ((i = getopt(ac, av, "c:")) != -1) { switch (i) { case 'c': sscanf(optarg, "%x", &xcl); break; } } if (ac - optind < 4) { printf("usage: apdu [ -c class ] ins p1 p2 p3 data ...\n"); return -1; } sscanf(av[optind++], "%x", &ins); sscanf(av[optind++], "%x", &p1); sscanf(av[optind++], "%x", &p2); sscanf(av[optind++], "%x", &p3); for (bp = ibuf, i = optind, ilen = 0; i < ac; i++) { sscanf(av[i], "%x", &n); *bp++ = n; ilen++; } if (fd < 0 && reset(0, NULL) < 0) return -1; olen = (p3 && !ilen) ? p3 : sizeof obuf; n = sectok_apdu(fd, xcl, ins, p1, p2, ilen, ibuf, olen, obuf, &sw); sectok_dump_reply(obuf, n, sw); return 0; } int selfid(int ac, char *av[]) { unsigned char fid[2]; int sw; if (ac != 2) { printf("usage: f fid\n"); return -1; } if (fd < 0 && reset(0, NULL) < 0) return -1; sectok_parse_fname(av[1], fid); if (sectok_selectfile(fd, cla, fid, &sw) < 0) { printf("selectfile: %s\n", sectok_get_sw(sw)); return -1; } return 0; } int isearch(int ac, char *av[]) { int i, r1, r2; unsigned char buf[256]; if (fd < 0 && reset(0, NULL) < 0) return -1; /* find instructions */ for (i = 0; i < 0xff; i += 2) if (scread(fd, cla, i, 0, 0, 0, buf, &r1, &r2) == 0 && r1 != 0x6d && r1 != 0x6e) printf("%02x %s %s\n", i, lookup_cmdname(i), get_r1r2s(r1, r2)); return 0; } int class(int ac, char *av[]) { if (ac > 1) sscanf(av[1], "%x", &cla); else printf("Class %02x\n", cla); return 0; } int dread(int ac, char *av[]) { int n, p3, fsize, r1, r2; unsigned char buf[CARDIOSIZE]; if (ac != 2) { printf("usage: read filesize\n"); return -1; } sscanf(av[1], "%d", &fsize); if (fd < 0 && reset(0, NULL) < 0) return -1; for (p3 = 0; fsize && p3 < 100000; p3 += n) { n = (fsize < CARDIOSIZE) ? fsize : CARDIOSIZE; if (scread(fd, cla, 0xb0, p3 >> 8, p3 & 0xff, n, buf, &r1, &r2) < 0) { printf("scread failed\n"); break; } if (r1 != 0x90 && r1 != 0x61) { print_r1r2(r1, r2); break; } fwrite(buf, 1, n, stdout); fsize -= n; } return 0; } int dwrite(int ac, char *av[]) { int n, p3, r1, r2; FILE *f; unsigned char buf[CARDIOSIZE]; if (ac != 2) { printf("usage: write input-filename\n"); return -1; } if (fd < 0 && reset(0, NULL) < 0) return -1; f = fopen(av[1], "r"); if (!f) { printf("can't open %s\n", av[1]); return -1; } n = 0; while ((p3 = fread(buf, 1, CARDIOSIZE, f)) > 0) { if (scwrite(fd, cla, 0xd6, n >> 8, n & 0xff, p3, buf, &r1, &r2) < 0) { printf("scwrite failed\n"); break; } if (r1 != 0x90 && r1 != 0x61) { print_r1r2(r1, r2); break; } n += p3; } fclose(f); return (n ? 0 : -1); }