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mvs38_send_check.c
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167 lines (164 loc) · 6.07 KB
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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define INMUTILN 4136
#define INMSIZE 4140
#define INMDSORG 60
#define INMLRECL 66
#define INMBLKSZ 48
#define INMRECFM 73
#define INMDSNAM 2
#define INMDIR 12
#define INMTYPE 32786
static const unsigned char e2a[256] = {
0, 1, 2, 3,156, 9,134,127,151,141,142, 11, 12, 13, 14, 15,
16, 17, 18, 19,157,133, 8,135, 24, 25,146,143, 28, 29, 30, 31,
128,129,130,131,132, 10, 23, 27,136,137,138,139,140, 5, 6, 7,
144,145, 22,147,148,149,150, 4,152,153,154,155, 20, 21,158, 26,
32,160,161,162,163,164,165,166,167,168, 91, 46, 60, 40, 43, 33,
38,169,170,171,172,173,174,175,176,177, 93, 36, 42, 41, 59, 94,
45, 47,178,179,180,181,182,183,184,185,124, 44, 37, 95, 62, 63,
186,187,188,189,190,191,192,193,194, 96, 58, 35, 64, 39, 61, 34,
195, 97, 98, 99,100,101,102,103,104,105,196,197,198,199,200,201,
202,106,107,108,109,110,111,112,113,114,203,204,205,206,207,208,
209,126,115,116,117,118,119,120,121,122,210,211,212,213,214,215,
216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,
123, 65, 66, 67, 68, 69, 70, 71, 72, 73,232,233,234,235,236,237,
125, 74, 75, 76, 77, 78, 79, 80, 81, 82,238,239,240,241,242,243,
92,159, 83, 84, 85, 86, 87, 88, 89, 90,244,245,246,247,248,249,
48, 49, 50, 51, 52, 53, 54, 55, 56, 57,250,251,252,253,254,255
};
void ebcdicToAscii (unsigned char *s)
{
while (*s)
{
*s = e2a[(int) (*s)];
s++;
}
}
unsigned int intcpy (unsigned char *value_bin, unsigned int length)
{
unsigned int i, value;
unsigned char value_char[8] = {0, 0, 0, 0, 0, 0, 0, 0};
i = 0;
while (i < length) {
value_char[i] = *(value_bin + length - (i + 1));
i++;
}
memcpy ((unsigned char *) &value, value_char, 4);
return value;
}
int
main(argc, argv)
int argc;
char *argv[];
{
FILE *infile;
unsigned char line[1000];
unsigned char INMR0[6] = {0xE0,0xC9,0xD5,0xD4,0xD9,0xF0};
unsigned char INMR01[7] = {0xE0,0xC9,0xD5,0xD4,0xD9,0xF0,0xF1};
unsigned char INMR02[7] = {0xE0,0xC9,0xD5,0xD4,0xD9,0xF0,0xF2};
unsigned char INMR03[7] = {0xE0,0xC9,0xD5,0xD4,0xD9,0xF0,0xF3};
unsigned char name_token[9];
unsigned int len, i, j, k, nextkey, keylen, value, len_value_pairs, first_token;
unsigned short key;
++argv;
infile = fopen(*argv,"r");
len = fread(line,1,1000,infile);
fclose(infile);
len = len - 9;
if (memcmp(line + 1, INMR01, 7)) goto native;
i = line[0];
if (i > len) goto native;
if (memcmp(line + i + 1, INMR02, 7)) goto native;
j = i + 12;
i = i + line[i];
if (i > len) goto native;
if (memcmp(line + i + 1, INMR0, 6)) goto native;
printf("FORMAT=NETDATA\n");
while (j < i) {
keylen = 0;
len_value_pairs = 0;
key = (short) intcpy (&line[j], 2);
keylen = intcpy (&line[j+4], 2);
len_value_pairs = intcpy (&line[j+2], 2);
k = j + 6;
nextkey = j + 6 + keylen;
switch (key) {
case INMUTILN:
memcpy(name_token, &line[k], keylen);
name_token[keylen] = 0;
ebcdicToAscii(name_token);
printf("UTILN=%s\n", name_token);
break;
case INMSIZE:
value = intcpy (&line[k], keylen);
printf("SIZE=%d\n", value);
break;
case INMDSORG:
printf("DSORG=");
if (!memcmp(&line[k], "\x00\x08", 2)) printf("VS\n");
else if (!memcmp(&line[k], "\x02\x00", 2)) printf("PO\n");
else if (!memcmp(&line[k], "\x40\x00", 2)) printf("PS\n");
else printf("??\n");
break;
case INMLRECL:
value = intcpy (&line[k], keylen);
printf("LRECL=%d\n", value);
break;
case INMBLKSZ:
value = intcpy (&line[k], keylen);
printf("BLKSIZE=%d\n", value);
break;
case INMDIR:
value = intcpy (&line[k], keylen);
printf("DIRBLKS=%d\n", value);
break;
case INMRECFM:
printf("RECFM=");
if ((line[k] & 0x80) && (line[k] & 0x40)) printf("U");
else if (line[k] & 0x80) printf("F");
else if (line[k] & 0x40) printf("V");
else printf("?");
if (line[k] & 0x10) printf("B");
if (line[k] & 0x08) printf("S");
else if (line[k] & 0x04) printf("A");
else if (line[k] & 0x02) printf("M");
printf("\n");
break;
case INMTYPE:
if (line[k] == 0) break;
printf("DSNTYPE=");
if (line[k] & 0x80) printf("LIBRARY\n");
else if (line[k] & 0x40) printf("LIBRARY\n");
else if (line[k] & 0x04) printf("EXTREQ\n");
else if (line[k] & 0x01) printf("LARGE\n");
else printf("UNKNOWN\n");
break;
case INMDSNAM:
printf("DSN=");
first_token = 1;
while (len_value_pairs >= 1) {
memcpy(name_token, &line[k], keylen);
name_token[keylen] = 0;
ebcdicToAscii(name_token);
if (!first_token) printf(".");
first_token = 0;
printf("%s", name_token);
keylen = 0;
keylen = intcpy (&line[nextkey], 2);
k = nextkey + 2;
nextkey = k + keylen;
len_value_pairs--;
}
printf("\n");
break;
default:
printf("UNKNOWN=%x\n", key);
}
j = nextkey;
}
exit(0);
native: printf("FORMAT=NATIVE\n");
exit(-1);
}