48 lines
1.0 KiB
C
48 lines
1.0 KiB
C
#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <fcntl.h>
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#include <string.h>
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#include <time.h>
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#define BUFFER 270
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int main(int argc, char *argv[])
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{
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FILE *fp;
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char *temp;
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char buffer[BUFFER];
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time_t timep;
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struct tm *p;
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time(&timep);
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p = localtime(&timep);
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char p1[2];
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if (p->tm_mday > 10) {
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if ((fp =
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popen
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("grep -E \"^$(date \"+%h\").$(date \"+%d\")\" /var/log/auth.log | grep failure | grep rhost",
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"r")) == NULL) {
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return 1;
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}
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} else {
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if ((fp =
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popen
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("grep -E \"^$(date \"+%h\")..$(date \"+%d\")\" /var/log/auth.log | grep failure | grep rhost",
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"r")) == NULL) {
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return 1;
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}
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}
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while (fgets(buffer, BUFFER, fp) != NULL) {
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temp = strstr(buffer, "rhost");
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sscanf(temp, "rhost=%s", temp);
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if (atoi(strncpy(p1, temp, 1)) > 0)
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printf("%s\n", temp);
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}
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pclose(fp);
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return 0;
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}
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