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Some useful warnings added

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Checks for most common misconfigurations
This commit is contained in:
z3APA3A 2014-04-14 01:50:17 +04:00
parent 2b0f8bbcfc
commit f452009079
1 changed files with 21 additions and 0 deletions
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21
src/3proxy.c
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@ -647,6 +647,9 @@ static int h_proxy(int argc, unsigned char ** argv){
childdef.isudp = 0;
childdef.service = S_PROXY;
childdef.helpmessage = " -n - no NTLM support\n";
if(!resolvfunc || (resolvfunc == myresolver && !dns_table->hashsize)){
fprintf(stderr, "[line %d] Warning: no nserver/nscache configured, proxy may run very slow\n", linenum);
}
}
else if(!strcmp((char *)argv[0], "pop3p")) {
childdef.pf = pop3pchild;
@ -675,6 +678,9 @@ static int h_proxy(int argc, unsigned char ** argv){
childdef.isudp = 0;
childdef.service = S_SOCKS;
childdef.helpmessage = " -n - no NTLM support\n";
if(!resolvfunc || (resolvfunc == myresolver && !dns_table->hashsize)){
fprintf(stderr, "[line %d] Warning: no nserver/nscache configured, socks may run very slow\n", linenum);
}
}
else if(!strcmp((char *)argv[0], "tcppm")) {
childdef.pf = tcppmchild;
@ -715,6 +721,9 @@ static int h_proxy(int argc, unsigned char ** argv){
childdef.port = 53;
childdef.isudp = 1;
childdef.service = S_DNSPR;
if(!resolvfunc || (resolvfunc == myresolver && !dns_table->hashsize) || resolvfunc == fake_resolver){
fprintf(stderr, "[line %d] Warning: no nserver/nscache configured, dnspr will not work as expected\n", linenum);
}
}
return start_proxy_thread(&ch);
}
@ -954,6 +963,18 @@ static int h_maxconn(int argc, unsigned char **argv){
if(!conf.maxchild) {
return(1);
}
#ifndef _WIN32
{
struct rlimit rl;
if(!getrlimit(RLIMIT_NOFILE, &rl)){
if((conf.maxchild<<1) > rl.rlim_cur)
fprintf(stderr, "[line %d] Warning: current open file ulimits are too low (cur: %d/max: %d),"
" maxconn requires at least %d for every running service."
" Configure ulimits according to system documentation\n",
linenum, (int)rl.rlim_cur, (int)rl.rlim_max, (conf.maxchild<<1));
}
}
#endif
return 0;
}