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Diffstat (limited to 'src/libfreeswan/ttodata.c')
-rw-r--r-- | src/libfreeswan/ttodata.c | 722 |
1 files changed, 722 insertions, 0 deletions
diff --git a/src/libfreeswan/ttodata.c b/src/libfreeswan/ttodata.c new file mode 100644 index 000000000..e1bf7606a --- /dev/null +++ b/src/libfreeswan/ttodata.c @@ -0,0 +1,722 @@ +/* + * convert from text form of arbitrary data (e.g., keys) to binary + * Copyright (C) 2000 Henry Spencer. + * + * This library is free software; you can redistribute it and/or modify it + * under the terms of the GNU Library General Public License as published by + * the Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/lgpl.txt>. + * + * This library 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 Library General Public + * License for more details. + * + * RCSID $Id: ttodata.c,v 1.1 2004/03/15 20:35:26 as Exp $ + */ +#include "internal.h" +#include "freeswan.h" + +/* converters and misc */ +static int unhex(const char *, char *, size_t); +static int unb64(const char *, char *, size_t); +static int untext(const char *, char *, size_t); +static const char *badch(const char *, int, char *, size_t); + +/* internal error codes for converters */ +#define SHORT (-2) /* internal buffer too short */ +#define BADPAD (-3) /* bad base64 padding */ +#define BADCH0 (-4) /* invalid character 0 */ +#define BADCH1 (-5) /* invalid character 1 */ +#define BADCH2 (-6) /* invalid character 2 */ +#define BADCH3 (-7) /* invalid character 3 */ +#define BADOFF(code) (BADCH0-(code)) + +/* + - ttodatav - convert text to data, with verbose error reports + * If some of this looks slightly odd, it's because it has changed + * repeatedly (from the original atodata()) without a major rewrite. + */ +const char * /* NULL on success, else literal or errp */ +ttodatav(src, srclen, base, dst, dstlen, lenp, errp, errlen, flags) +const char *src; +size_t srclen; /* 0 means apply strlen() */ +int base; /* 0 means figure it out */ +char *dst; /* need not be valid if dstlen is 0 */ +size_t dstlen; +size_t *lenp; /* where to record length (NULL is nowhere) */ +char *errp; /* error buffer */ +size_t errlen; +unsigned int flags; +{ + size_t ingroup; /* number of input bytes converted at once */ + char buf[4]; /* output from conversion */ + int nbytes; /* size of output */ + int (*decode)(const char *, char *, size_t); + char *stop; + int ndone; + int i; + int underscoreok; + int skipSpace = 0; + + if (srclen == 0) + srclen = strlen(src); + if (dstlen == 0) + dst = buf; /* point it somewhere valid */ + stop = dst + dstlen; + + if (base == 0) { + if (srclen < 2) + return "input too short to be valid"; + if (*src++ != '0') + return "input does not begin with format prefix"; + switch (*src++) { + case 'x': + case 'X': + base = 16; + break; + case 's': + case 'S': + base = 64; + break; + case 't': + case 'T': + base = 256; + break; + default: + return "unknown format prefix"; + } + srclen -= 2; + } + switch (base) { + case 16: + decode = unhex; + underscoreok = 1; + ingroup = 2; + break; + case 64: + decode = unb64; + underscoreok = 0; + ingroup = 4; + if(flags & TTODATAV_IGNORESPACE) { + skipSpace = 1; + } + break; + + case 256: + decode = untext; + ingroup = 1; + underscoreok = 0; + break; + default: + return "unknown base"; + } + + /* proceed */ + ndone = 0; + while (srclen > 0) { + char stage[4]; /* staging area for group */ + size_t sl = 0; + + /* Grab ingroup characters into stage, + * squeezing out blanks if we are supposed to ignore them. + */ + for (sl = 0; sl < ingroup; src++, srclen--) { + if (srclen == 0) + return "input ends in mid-byte, perhaps truncated"; + else if (!(skipSpace && (*src == ' ' || *src == '\t'))) + stage[sl++] = *src; + } + + nbytes = (*decode)(stage, buf, sizeof(buf)); + switch (nbytes) { + case BADCH0: + case BADCH1: + case BADCH2: + case BADCH3: + return badch(stage, nbytes, errp, errlen); + case SHORT: + return "internal buffer too short (\"can't happen\")"; + case BADPAD: + return "bad (non-zero) padding at end of base64 input"; + } + if (nbytes <= 0) + return "unknown internal error"; + for (i = 0; i < nbytes; i++) { + if (dst < stop) + *dst++ = buf[i]; + ndone++; + } + while (srclen >= 1 && skipSpace && (*src == ' ' || *src == '\t')){ + src++; + srclen--; + } + if (underscoreok && srclen > 1 && *src == '_') { + /* srclen > 1 means not last character */ + src++; + srclen--; + } + } + + if (ndone == 0) + return "no data bytes specified by input"; + if (lenp != NULL) + *lenp = ndone; + return NULL; +} + +/* + - ttodata - convert text to data + */ +const char * /* NULL on success, else literal */ +ttodata(src, srclen, base, dst, dstlen, lenp) +const char *src; +size_t srclen; /* 0 means apply strlen() */ +int base; /* 0 means figure it out */ +char *dst; /* need not be valid if dstlen is 0 */ +size_t dstlen; +size_t *lenp; /* where to record length (NULL is nowhere) */ +{ + return ttodatav(src, srclen, base, dst, dstlen, lenp, (char *)NULL, + (size_t)0, TTODATAV_SPACECOUNTS); +} + +/* + - atodata - convert ASCII to data + * backward-compatibility interface + */ +size_t /* 0 for failure, true length for success */ +atodata(src, srclen, dst, dstlen) +const char *src; +size_t srclen; +char *dst; +size_t dstlen; +{ + size_t len; + const char *err; + + err = ttodata(src, srclen, 0, dst, dstlen, &len); + if (err != NULL) + return 0; + return len; +} + +/* + - atobytes - convert ASCII to data bytes + * another backward-compatibility interface + */ +const char * +atobytes(src, srclen, dst, dstlen, lenp) +const char *src; +size_t srclen; +char *dst; +size_t dstlen; +size_t *lenp; +{ + return ttodata(src, srclen, 0, dst, dstlen, lenp); +} + +/* + - unhex - convert two ASCII hex digits to byte + */ +static int /* number of result bytes, or error code */ +unhex(src, dst, dstlen) +const char *src; /* known to be full length */ +char *dst; +size_t dstlen; /* not large enough is a failure */ +{ + char *p; + unsigned byte; + static char hex[] = "0123456789abcdef"; + + if (dstlen < 1) + return SHORT; + + p = strchr(hex, *src); + if (p == NULL) + p = strchr(hex, tolower(*src)); + if (p == NULL) + return BADCH0; + byte = (p - hex) << 4; + src++; + + p = strchr(hex, *src); + if (p == NULL) + p = strchr(hex, tolower(*src)); + if (p == NULL) + return BADCH1; + byte |= (p - hex); + + *dst = byte; + return 1; +} + +/* + - unb64 - convert four ASCII base64 digits to three bytes + * Note that a base64 digit group is padded out with '=' if it represents + * less than three bytes: one byte is dd==, two is ddd=, three is dddd. + */ +static int /* number of result bytes, or error code */ +unb64(src, dst, dstlen) +const char *src; /* known to be full length */ +char *dst; +size_t dstlen; +{ + char *p; + unsigned byte1; + unsigned byte2; + static char base64[] = + "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; + + if (dstlen < 3) + return SHORT; + + p = strchr(base64, *src++); + + if (p == NULL) + return BADCH0; + byte1 = (p - base64) << 2; /* first six bits */ + + p = strchr(base64, *src++); + if (p == NULL) { + return BADCH1; + } + + byte2 = p - base64; /* next six: two plus four */ + *dst++ = byte1 | (byte2 >> 4); + byte1 = (byte2 & 0xf) << 4; + + p = strchr(base64, *src++); + if (p == NULL) { + if (*(src-1) == '=' && *src == '=') { + if (byte1 != 0) /* bad padding */ + return BADPAD; + return 1; + } + return BADCH2; + } + + byte2 = p - base64; /* next six: four plus two */ + *dst++ = byte1 | (byte2 >> 2); + byte1 = (byte2 & 0x3) << 6; + + p = strchr(base64, *src++); + if (p == NULL) { + if (*(src-1) == '=') { + if (byte1 != 0) /* bad padding */ + return BADPAD; + return 2; + } + return BADCH3; + } + byte2 = p - base64; /* last six */ + *dst++ = byte1 | byte2; + + return 3; +} + +/* + - untext - convert one ASCII character to byte + */ +static int /* number of result bytes, or error code */ +untext(src, dst, dstlen) +const char *src; /* known to be full length */ +char *dst; +size_t dstlen; /* not large enough is a failure */ +{ + if (dstlen < 1) + return SHORT; + + *dst = *src; + return 1; +} + +/* + - badch - produce a nice complaint about an unknown character + * + * If the compiler complains that the array bigenough[] has a negative + * size, that means the TTODATAV_BUF constant has been set too small. + */ +static const char * /* literal or errp */ +badch(src, errcode, errp, errlen) +const char *src; +int errcode; +char *errp; /* might be NULL */ +size_t errlen; +{ + static const char pre[] = "unknown character (`"; + static const char suf[] = "') in input"; + char buf[5]; +# define REQD (sizeof(pre) - 1 + sizeof(buf) - 1 + sizeof(suf)) + struct sizecheck { + char bigenough[TTODATAV_BUF - REQD]; /* see above */ + }; + char ch; + + if (errp == NULL || errlen < REQD) + return "unknown character in input"; + strcpy(errp, pre); + ch = *(src + BADOFF(errcode)); + if (isprint(ch)) { + buf[0] = ch; + buf[1] = '\0'; + } else { + buf[0] = '\\'; + buf[1] = ((ch & 0700) >> 6) + '0'; + buf[2] = ((ch & 0070) >> 3) + '0'; + buf[3] = ((ch & 0007) >> 0) + '0'; + buf[4] = '\0'; + } + strcat(errp, buf); + strcat(errp, suf); + return (const char *)errp; +} + + + +#ifdef TTODATA_MAIN + +#include <stdio.h> + +struct artab; +static void check(struct artab *r, char *buf, size_t n, err_t oops, int *status); +static void regress(char *pgm); +static void hexout(const char *s, size_t len, FILE *f); + +/* + - main - convert first argument to hex, or run regression + */ +int +main(int argc, char *argv[]) +{ + char buf[1024]; + char buf2[1024]; + char err[512]; + size_t n; + size_t i; + char *p = buf; + char *p2 = buf2; + char *pgm = argv[0]; + const char *oops; + + if (argc < 2) { + fprintf(stderr, "Usage: %s {0x<hex>|0s<base64>|-r}\n", pgm); + exit(2); + } + + if (strcmp(argv[1], "-r") == 0) { + regress(pgm); /* should not return */ + fprintf(stderr, "%s: regress() returned?!?\n", pgm); + exit(1); + } + + oops = ttodatav(argv[1], 0, 0, buf, sizeof(buf), &n, + err, sizeof(err), TTODATAV_IGNORESPACE); + if (oops != NULL) { + fprintf(stderr, "%s: ttodata error `%s' in `%s'\n", pgm, + oops, argv[1]); + exit(1); + } + + if (n > sizeof(buf)) { + p = (char *)malloc((size_t)n); + if (p == NULL) { + fprintf(stderr, + "%s: unable to malloc %d bytes for result\n", + pgm, n); + exit(1); + } + oops = ttodata(argv[1], 0, 0, p, n, &n); + if (oops != NULL) { + fprintf(stderr, "%s: error `%s' in ttodata retry?!?\n", + pgm, oops); + exit(1); + } + } + + hexout(p, n, stdout); + printf("\n"); + + i = datatot(buf, n, 'h', buf2, sizeof(buf2)); + if (i == 0) { + fprintf(stderr, "%s: datatot reports error in `%s'\n", pgm, + argv[1]); + exit(1); + } + + if (i > sizeof(buf2)) { + p2 = (char *)malloc((size_t)i); + if (p == NULL) { + fprintf(stderr, + "%s: unable to malloc %d bytes for result\n", + pgm, i); + exit(1); + } + i = datatot(buf, n, 'h', p2, i); + if (i == 0) { + fprintf(stderr, "%s: error in datatoa retry?!?\n", pgm); + exit(1); + } + } + + printf("%s\n", p2); + + exit(0); +} + +/* + - hexout - output an arbitrary-length string in hex + */ +static void +hexout(s, len, f) +const char *s; +size_t len; +FILE *f; +{ + size_t i; + + fprintf(f, "0x"); + for (i = 0; i < len; i++) + fprintf(f, "%02x", (unsigned char)s[i]); +} + +struct artab { + int base; +# define IGNORESPACE_BIAS 1000 + char *ascii; /* NULL for end */ + char *data; /* NULL for error expected */ +} atodatatab[] = { + { 0, "", NULL, }, + { 0, "0", NULL, }, + { 0, "0x", NULL, }, + { 0, "0xa", NULL, }, + { 0, "0xab", "\xab", }, + { 0, "0xabc", NULL, }, + { 0, "0xabcd", "\xab\xcd", }, + { 0, "0x0123456789", "\x01\x23\x45\x67\x89", }, + { 0, "0x01x", NULL, }, + { 0, "0xabcdef", "\xab\xcd\xef", }, + { 0, "0xABCDEF", "\xab\xcd\xef", }, + { 0, "0XaBc0eEd81f", "\xab\xc0\xee\xd8\x1f", }, + { 0, "0XaBc0_eEd8", "\xab\xc0\xee\xd8", }, + { 0, "0XaBc0_", NULL, }, + { 0, "0X_aBc0", NULL, }, + { 0, "0Xa_Bc0", NULL, }, + { 16, "aBc0eEd8", "\xab\xc0\xee\xd8", }, + { 0, "0s", NULL, }, + { 0, "0sA", NULL, }, + { 0, "0sBA", NULL, }, + { 0, "0sCBA", NULL, }, + { 0, "0sDCBA", "\x0c\x20\x40", }, + { 0, "0SDCBA", "\x0c\x20\x40", }, + { 0, "0sDA==", "\x0c", }, + { 0, "0sDC==", NULL, }, + { 0, "0sDCA=", "\x0c\x20", }, + { 0, "0sDCB=", NULL, }, + { 0, "0sDCAZ", "\x0c\x20\x19", }, + { 0, "0sDCAa", "\x0c\x20\x1a", }, + { 0, "0sDCAz", "\x0c\x20\x33", }, + { 0, "0sDCA0", "\x0c\x20\x34", }, + { 0, "0sDCA9", "\x0c\x20\x3d", }, + { 0, "0sDCA+", "\x0c\x20\x3e", }, + { 0, "0sDCA/", "\x0c\x20\x3f", }, + { 0, "0sAbraCadabra+", "\x01\xba\xda\x09\xa7\x5a\x6e\xb6\xbe", }, + { IGNORESPACE_BIAS + 0, "0s AbraCadabra+", "\x01\xba\xda\x09\xa7\x5a\x6e\xb6\xbe", }, + { IGNORESPACE_BIAS + 0, "0sA braCadabra+", "\x01\xba\xda\x09\xa7\x5a\x6e\xb6\xbe", }, + { IGNORESPACE_BIAS + 0, "0sAb raCadabra+", "\x01\xba\xda\x09\xa7\x5a\x6e\xb6\xbe", }, + { IGNORESPACE_BIAS + 0, "0sAbr aCadabra+", "\x01\xba\xda\x09\xa7\x5a\x6e\xb6\xbe", }, + { IGNORESPACE_BIAS + 0, "0sAbra Cadabra+", "\x01\xba\xda\x09\xa7\x5a\x6e\xb6\xbe", }, + { IGNORESPACE_BIAS + 0, "0sAbraC adabra+", "\x01\xba\xda\x09\xa7\x5a\x6e\xb6\xbe", }, + { IGNORESPACE_BIAS + 0, "0sAbraCa dabra+", "\x01\xba\xda\x09\xa7\x5a\x6e\xb6\xbe", }, + { IGNORESPACE_BIAS + 0, "0sAbraCad abra+", "\x01\xba\xda\x09\xa7\x5a\x6e\xb6\xbe", }, + { IGNORESPACE_BIAS + 0, "0sAbraCada bra+", "\x01\xba\xda\x09\xa7\x5a\x6e\xb6\xbe", }, + { IGNORESPACE_BIAS + 0, "0sAbraCadab ra+", "\x01\xba\xda\x09\xa7\x5a\x6e\xb6\xbe", }, + { IGNORESPACE_BIAS + 0, "0sAbraCadabr a+", "\x01\xba\xda\x09\xa7\x5a\x6e\xb6\xbe", }, + { IGNORESPACE_BIAS + 0, "0sAbraCadabra +", "\x01\xba\xda\x09\xa7\x5a\x6e\xb6\xbe", }, + { IGNORESPACE_BIAS + 0, "0sAbraCadabra+ ", "\x01\xba\xda\x09\xa7\x5a\x6e\xb6\xbe", }, + { 0, "0t", NULL, }, + { 0, "0tabc_xyz", "abc_xyz", }, + { 256, "abc_xyz", "abc_xyz", }, + { 0, NULL, NULL, }, +}; + +struct drtab { + char *data; /* input; NULL for end */ + char format; + int buflen; /* -1 means big buffer */ + int outlen; /* -1 means strlen(ascii)+1 */ + char *ascii; /* NULL for error expected */ +} datatoatab[] = { + { "", 'x', -1, -1, NULL, }, + { "", 'X', -1, -1, NULL, }, + { "", 'n', -1, -1, NULL, }, + { "0", 'x', -1, -1, "0x30", }, + { "0", 'x', 0, 5, "---", }, + { "0", 'x', 1, 5, "", }, + { "0", 'x', 2, 5, "0", }, + { "0", 'x', 3, 5, "0x", }, + { "0", 'x', 4, 5, "0x3", }, + { "0", 'x', 5, 5, "0x30", }, + { "0", 'x', 6, 5, "0x30", }, + { "\xab\xcd", 'x', -1, -1, "0xabcd", }, + { "\x01\x23\x45\x67\x89", 'x', -1, -1, "0x0123456789", }, + { "\xab\xcd\xef", 'x', -1, -1, "0xabcdef", }, + { "\xab\xc0\xee\xd8\x1f", 'x', -1, -1, "0xabc0eed81f", }, + { "\x01\x02", 'h', -1, -1, "0x0102", }, + { "\x01\x02\x03\x04\x05\x06", 'h', -1, -1, "0x01020304_0506", }, + { "\xab\xc0\xee\xd8\x1f", 16, -1, -1, "abc0eed81f", }, + { "\x0c\x20\x40", 's', -1, -1, "0sDCBA", }, + { "\x0c\x20\x40", 's', 0, 7, "---", }, + { "\x0c\x20\x40", 's', 1, 7, "", }, + { "\x0c\x20\x40", 's', 2, 7, "0", }, + { "\x0c\x20\x40", 's', 3, 7, "0s", }, + { "\x0c\x20\x40", 's', 4, 7, "0sD", }, + { "\x0c\x20\x40", 's', 5, 7, "0sDC", }, + { "\x0c\x20\x40", 's', 6, 7, "0sDCB", }, + { "\x0c\x20\x40", 's', 7, 7, "0sDCBA", }, + { "\x0c\x20\x40", 's', 8, 7, "0sDCBA", }, + { "\x0c", 's', -1, -1, "0sDA==", }, + { "\x0c\x20", 's', -1, -1, "0sDCA=", }, + { "\x0c\x20\x19", 's', -1, -1, "0sDCAZ", }, + { "\x0c\x20\x1a", 's', -1, -1, "0sDCAa", }, + { "\x0c\x20\x33", 's', -1, -1, "0sDCAz", }, + { "\x0c\x20\x34", 's', -1, -1, "0sDCA0", }, + { "\x0c\x20\x3d", 's', -1, -1, "0sDCA9", }, + { "\x0c\x20\x3e", 's', -1, -1, "0sDCA+", }, + { "\x0c\x20\x3f", 's', -1, -1, "0sDCA/", }, + { "\x01\xba\xda\x09\xa7\x5a\x6e\xb6\xbe", 's', -1, -1, "0sAbraCadabra+", }, + { "\x01\xba\xda\x09\xa7\x5a\x6e\xb6\xbe", 64, -1, -1, "AbraCadabra+", }, + { NULL, 'x', -1, -1, NULL, }, +}; + +/* + - regress - regression-test ttodata() and datatot() + */ +static void +check(r, buf, n, oops, status) +struct artab *r; +char *buf; +size_t n; +err_t oops; +int *status; +{ + if (oops != NULL && r->data == NULL) + {} /* error expected */ + else if (oops != NULL) { + printf("`%s' gave error `%s', expecting %d `", r->ascii, + oops, strlen(r->data)); + hexout(r->data, strlen(r->data), stdout); + printf("'\n"); + *status = 1; + } else if (r->data == NULL) { + printf("`%s' gave %d `", r->ascii, n); + hexout(buf, n, stdout); + printf("', expecting error\n"); + *status = 1; + } else if (n != strlen(r->data)) { + printf("length wrong in `%s': got %d `", r->ascii, n); + hexout(buf, n, stdout); + printf("', expecting %d `", strlen(r->data)); + hexout(r->data, strlen(r->data), stdout); + printf("'\n"); + *status = 1; + } else if (memcmp(buf, r->data, n) != 0) { + printf("`%s' gave %d `", r->ascii, n); + hexout(buf, n, stdout); + printf("', expecting %d `", strlen(r->data)); + hexout(r->data, strlen(r->data), stdout); + printf("'\n"); + *status = 1; + } + fflush(stdout); +} + +static void /* should not return at all, in fact */ +regress(pgm) +char *pgm; +{ + struct artab *r; + struct drtab *dr; + char buf[100]; + size_t n; + int status = 0; + + for (r = atodatatab; r->ascii != NULL; r++) { + int base = r->base; + int xbase = 0; + + if ((base == 0 || base == IGNORESPACE_BIAS + 0) && r->ascii[0] == '0') { + switch (r->ascii[1]) { + case 'x': + case 'X': + xbase = 16; + break; + case 's': + case 'S': + xbase = 64; + break; + case 't': + case 'T': + xbase = 256; + break; + } + } + + if (base >= IGNORESPACE_BIAS) { + base = base - IGNORESPACE_BIAS; + check(r, buf, n, ttodatav(r->ascii, 0, base, buf, sizeof(buf), &n, NULL, 0, TTODATAV_IGNORESPACE), &status); + if (xbase != 0) + check(r, buf, n, ttodatav(r->ascii+2, 0, xbase, buf, sizeof(buf), &n, NULL, 0, TTODATAV_IGNORESPACE), &status); + } else { + check(r, buf, n, ttodata(r->ascii, 0, base, buf, sizeof(buf), &n), &status); + if (base == 64 || xbase == 64) + check(r, buf, n, ttodatav(r->ascii, 0, base, buf, sizeof(buf), &n, NULL, 0, TTODATAV_IGNORESPACE), &status); + if (xbase != 0) { + check(r, buf, n, ttodata(r->ascii+2, 0, xbase, buf, sizeof(buf), &n), &status); + if (base == 64 || xbase == 64) + check(r, buf, n, ttodatav(r->ascii+2, 0, xbase, buf, sizeof(buf), &n, NULL, 0, TTODATAV_IGNORESPACE), &status); + } + } + } + for (dr = datatoatab; dr->data != NULL; dr++) { + size_t should; + + strcpy(buf, "---"); + n = datatot(dr->data, strlen(dr->data), dr->format, buf, + (dr->buflen == -1) ? sizeof(buf) : dr->buflen); + should = (dr->ascii == NULL) ? 0 : strlen(dr->ascii) + 1; + if (dr->outlen != -1) + should = dr->outlen; + if (n == 0 && dr->ascii == NULL) + {} /* error expected */ + else if (n == 0) { + printf("`"); + hexout(dr->data, strlen(dr->data), stdout); + printf("' %c gave error, expecting %d `%s'\n", + dr->format, should, dr->ascii); + status = 1; + } else if (dr->ascii == NULL) { + printf("`"); + hexout(dr->data, strlen(dr->data), stdout); + printf("' %c gave %d `%.*s', expecting error\n", + dr->format, n, (int)n, buf); + status = 1; + } else if (n != should) { + printf("length wrong in `"); + hexout(dr->data, strlen(dr->data), stdout); + printf("': got %d `%s'", n, buf); + printf(", expecting %d `%s'\n", should, dr->ascii); + status = 1; + } else if (strcmp(buf, dr->ascii) != 0) { + printf("`"); + hexout(dr->data, strlen(dr->data), stdout); + printf("' gave %d `%s'", n, buf); + printf(", expecting %d `%s'\n", should, dr->ascii); + status = 1; + } + fflush(stdout); + } + exit(status); +} + +#endif /* TTODATA_MAIN */ |