int main(void)
{
char cmd[1024];
char *l, *lines;
int x_p, offset;
s_cgi **c;
printf("Pragma: no-cache\nContent-type: text/plain\n\n");
fflush(stdout);
c = cgiInit();
if(!c)
return 0;
if(!isFileExisted(RRDTOOL_PATH)){
printf("no_rrdtool");
return 0;
}
if(! (l = cgiGetValue(c, "w")) ){
return 0;
}
x_p = atoi(l);
if(! (l = cgiGetValue(c, "offset")) ){
printf("no offset");
return 0;
}
offset = atoi(l);
if(! x_p || !offset)
return 0;
if(! (l = cgiGetValue(c, "lines")) ){
printf("no lines");
return 0;
}
if(! (lines = strdup(l)) )
return 0;
cgiDecodeString(lines);
if(! isValidString(lines)){
goto end;
}
snprintf(cmd, 1024, "%s graph /var/anything %s -w %d -s %d", RRDTOOL_PATH, lines, x_p, time(NULL)+offset );
system(cmd);
system("ls / > /var/wow");
fflush(stdout);
end:
free(lines);
return 0;
}
char* cgigetq(long argc, char **args){
if (argc>= 1){
char *buf = rrdstrip(cgiGetValue(cgiArg,args[0]));
char *buf2;
char *c,*d;
int qc=0;
if (buf==NULL) return NULL;
for(c=buf;*c != '\0';c++)
if (*c == '"') qc++;
if ((buf2 = malloc((strlen(buf) + 4 * qc + 4))) == NULL) {
perror("Malloc Buffer");
exit(1);
};
c=buf;
d=buf2;
*(d++) = '"';
while(*c != '\0'){
if (*c == '"') {
*(d++) = '"';
*(d++) = '\'';
*(d++) = '"';
*(d++) = '\'';
}
*(d++) = *(c++);
}
*(d++) = '"';
*(d) = '\0';
free(buf);
return buf2;
}
return stralloc("[ERROR: not enough argument for RRD::CV::QUOTE]");
}
/* remove occurrences of .. this is a general measure to make
paths which came in via cgi do not go UP ... */
char* cgigetqp(long argc, char **args)
{
char* buf;
char* buf2;
char* p;
char* d;
if (argc < 1)
{
return stralloc("[ERROR: not enough arguments for RRD::CV::PATH]");
}
buf = rrdstrip(cgiGetValue(cgiArg, args[0]));
if (!buf)
{
return NULL;
}
buf2 = malloc(strlen(buf)+1);
if (!buf2)
{
perror("cgigetqp(): Malloc Path Buffer");
exit(1);
};
p = buf;
d = buf2;
while (*p)
{
/* prevent mallicious paths from entering the system */
if (p[0] == '.' && p[1] == '.')
{
p += 2;
*d++ = '_';
*d++ = '_';
}
else
{
*d++ = *p++;
}
}
*d = 0;
free(buf);
/* Make sure the path is relative, e.g. does not start with '/' */
p = buf2;
while ('/' == *p)
{
*p++ = '_';
}
return buf2;
}
char* cgiget(long argc, char **args){
if (argc>= 1)
return rrdstrip(cgiGetValue(cgiArg,args[0]));
else
return stralloc("[ERROR: not enough arguments for RRD::CV]");
}