mirror of https://github.com/dirtbags/moth.git
101 lines
2.0 KiB
C
101 lines
2.0 KiB
C
#include <stdio.h>
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#include <ctype.h>
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#include <stdlib.h>
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void
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record(char *buf) {
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char *p;
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char *ip = getenv("TCPREMOTEIP");
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fprintf(stderr, "%s: ", ip);
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for (p = buf; *p; p += 1) {
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if (isprint(*p)) {
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fputc(*p, stderr);
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} else {
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fprintf(stderr, "%%%02x", *p);
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}
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}
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fputc('\n', stderr);
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}
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/* Storage space for tokens */
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char token[5][100];
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/* Make this global so the stack isn't gigantic */
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char global_fmt[8000] = {0};
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int
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main(int argc, char *argv[], char *env[])
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{
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char *t0 = token[0];
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int t1[100];
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char *fmt = global_fmt;
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char *datacomp = "welcome datacomp";
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int token4_flag = 0;
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int i;
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/* Read in tokens */
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{
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FILE *tf = fdopen(3, "r");
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if (! tf) {
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fprintf(stderr, "No tokens on fd3\n");
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return 1;
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}
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for (i = 0; i < 5; i += 1) {
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char *p = fgets(token[i], sizeof(token[i]), tf);
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if (! p) {
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fprintf(stderr, "Cannot read token %d\n", i);
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return 1;
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}
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/* Replace newline with null */
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for (; *p && (*p != '\n'); p += 1);
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*p = 0;
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}
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}
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/* Make stderr buffer until lines */
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setlinebuf(stderr);
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/* So the compiler won't complain about unused variables */
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i = datacomp[0] ^ t0[0];
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/* Token 0 just hangs out on the stack */
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/* Set up token 1 (%c%c%c%c...) */
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for (i = 0; '\0' != token[1][i]; i += 1) {
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t1[i] = token[1][i];
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}
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t1[i-1] = '\n';
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/* Stick token 2 into the environment */
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for (i = 0; env[i]; i += 1);
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env[i-1] = token[2];
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/* token 3 is pretty much a gimmie */
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/* token 4 will only be printed if you set token4_flag to non-zero */
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if (NULL == fgets(global_fmt, sizeof(global_fmt), stdin)) {
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return 0;
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}
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record(fmt);
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printf(fmt,
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"Welcome to the printf category.\n",
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"There are multiple tokens hiding here.\n",
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"Good luck!\n",
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token[3],
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"token4_flag (@ ", &token4_flag, "): ", token4_flag, "\n");
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if (token4_flag) {
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printf("%s\n", token[4]);
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}
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return 0;
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}
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