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103 lines
1.9 KiB
103 lines
1.9 KiB
5 years ago
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#include <ctype.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <stdio.h>
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#include <errno.h>
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#include <string.h>
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#include <netinet/in.h>
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#include <fcntl.h>
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#include <arpa/inet.h>
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#include <malloc.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <sys/time.h>
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#include <signal.h>
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#include <time.h>
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#define MSG_MAX 1024
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static char *
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remove_spaces(char *str)
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{
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int i = 0;
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while (isspace(*str)) str++;
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i = strlen(str);
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while (isspace(str[i-1])) str[i-1]='\0';
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return str;
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}
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int main(int argc, char *argv[])
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{
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if (argc != 2) {
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printf("Usage: %s <sandbox_file>\n", argv[0]);
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return -1;
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}
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FILE *f = fopen(argv[1], "r");
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if (!f) {
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perror("fopen");
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return -1;
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}
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while (1) {
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fseek(f, 0, SEEK_SET);
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char line[MSG_MAX] = { 0 };
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while (fgets(line, MSG_MAX, f) != NULL) {
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int fd = -1;
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struct sockaddr_in sa;
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char *msg = NULL, *tok, *src = line;
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char ip[32] = { 0 }, port[32] = { 0 };
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src = remove_spaces(src);
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if (src[0] == ';') goto next;
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tok = strtok_r(src, ":", &src);
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strcpy(ip, tok);
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tok = strtok_r(src, "$", &src);
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strcpy(port, tok);
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msg = src;
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int i = 0;
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printf("\nRequest [%s] to [%s:%d]\n (1:Proceed 2:Skip ANY:Exit) ", msg, ip, atoi(port));
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scanf("%d", &i);
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if (i <= 0 || i > 2) {
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printf("Exiting!\n");
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exit(0);
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} else if (i == 1) {
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printf("Proceeding!\n");
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} else {
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printf("Skipping!\n");
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goto next;
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}
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sa.sin_family = AF_INET;
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sa.sin_port = htons(atoi(port));
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sa.sin_addr.s_addr = inet_addr(ip);
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if ((fd = socket(PF_INET, SOCK_DGRAM, 0)) == -1) {
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perror("Establishing socket");
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return -1;
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}
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if (sendto(fd, msg, strlen(msg), 0, (struct sockaddr*)&sa, sizeof(sa)) < 0 &&
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errno != EINTR) {
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perror("sendto");
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return -1;
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}
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printf("Done!\n");
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next:
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memset(line, 0, MSG_MAX);
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fflush(stdin);
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fflush(stdout);
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if (fd >= 0) close(fd);
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}
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}
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fclose(f);
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return 0;
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}
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