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Add timeout for connect in all modules

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This commit is contained in:
z3APA3A 2016-12-23 00:56:16 +03:00
parent 3c9ff54ae8
commit e2884b182a
6 changed files with 28 additions and 19 deletions
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2
src/auth.c
View File

@ -1090,7 +1090,7 @@ unsigned long udpresolve(int af, unsigned char * name, unsigned char * value, un
*sinsr = nservers[i].addr;
}
if(usetcp){
if(so._connect(sock,(struct sockaddr *)sinsr,SASIZE(sinsr))) {
if(connectwithpoll(sock,(struct sockaddr *)sinsr,SASIZE(sinsr))) {
so._shutdown(sock, SHUT_RDWR);
so._closesocket(sock);
break;

38
src/common.c
View File

@ -648,6 +648,27 @@ void logsyslog(struct clientparam * param, const unsigned char *s) {
}
#endif
int connectwithpoll(SOCKET sock, struct sockaddr *sa, SASIZETYPE size){
struct pollfd fds[1];
#ifdef _WIN32
unsigned long ul = 1;
ioctlsocket(sock, FIONBIO, &ul);
#else
fcntl(sock,F_SETFL,O_NONBLOCK);
#endif
if(so._connect(sock,sa,size)) {
if(errno != EAGAIN && errno != EINPROGRESS) return (13);
}
memset(fds, 0, sizeof(fds));
fds[0].fd = sock;
fds[0].events = POLLOUT;
if(so._poll(fds, 1, conf.timeouts[STRING_S]*1000) <= 0) {
return (13);
}
return 0;
}
int doconnect(struct clientparam * param){
SASIZETYPE size;
@ -702,21 +723,8 @@ int doconnect(struct clientparam * param){
}
if(param->operation >= 256 || (param->operation & CONNECT)){
struct pollfd fds[1];
#ifdef _WIN32
unsigned long ul = 1;
ioctlsocket(param->remsock, FIONBIO, &ul);
#else
fcntl(param->remsock,F_SETFL,O_NONBLOCK);
#endif
if(so._connect(param->remsock,(struct sockaddr *)&param->sinsr,SASIZE(&param->sinsr))) {
if(errno != EAGAIN && errno != EINPROGRESS) return (13);
}
memset(fds, 0, sizeof(fds));
fds[0].fd = param->remsock;
fds[0].events = POLLOUT;
if(so._poll(fds, 1, conf.timeouts[STRING_S]*1000) <= 0) {
return (13);
if(connectwithpoll(param->remsock,(struct sockaddr *)&param->sinsr,SASIZE(&param->sinsr))) {
return 13;
}
}
size = sizeof(param->sinsl);

2
src/dnspr.c
View File

@ -140,7 +140,7 @@ void * dnsprchild(struct clientparam* param) {
}
param->sinsr = nservers[0].addr;
if(nservers[0].usetcp) {
if(so._connect(param->remsock,(struct sockaddr *)&param->sinsr,SASIZE(&param->sinsr))) RETURN(830);
if(connectwithpoll(param->remsock,(struct sockaddr *)&param->sinsr,SASIZE(&param->sinsr))) RETURN(830);
buf-=2;
*(unsigned short*)buf = htons(i);
i+=2;

2
src/ftppr.c
View File

@ -145,7 +145,7 @@ void * ftpprchild(struct clientparam* param) {
if(sscanf((char *)buf+5, "%lu,%lu,%lu,%lu,%hu,%hu", &b1, &b2, &b3, &b4, &b5, &b6)!=6) {RETURN(828);}
*SAPORT(&param->sincr) = htons((unsigned short)((b5<<8)^b6));
if(so._connect(clidatasock, (struct sockaddr *)&param->sincr, SASIZE(&param->sincr))) {
if(connectwithpoll(clidatasock, (struct sockaddr *)&param->sincr, SASIZE(&param->sincr))) {
so._closesocket(clidatasock);
clidatasock = INVALID_SOCKET;
RETURN(826);

1
src/proxy.h
View File

@ -270,6 +270,7 @@ void srvinit2(struct srvparam * srv, struct clientparam *param);
void srvfree(struct srvparam * srv);
unsigned char * dologname (unsigned char *buf, unsigned char *name, const unsigned char *ext, ROTATION lt, time_t t);
int readconfig(FILE * fp);
int connectwithpoll(SOCKET sock, struct sockaddr *sa, SASIZETYPE size);
int myrand(void * entropy, int len);

2
src/proxymain.c
View File

@ -553,7 +553,7 @@ int MODULEMAINFUNC (int argc, char** argv){
new_sock=so._socket(SASOCK(&defparam.sincr), SOCK_STREAM, IPPROTO_TCP);
if(new_sock != INVALID_SOCKET){
parsehost(srv.family, cbc_string, (struct sockaddr *)&defparam.sincr);
if(so._connect(new_sock,(struct sockaddr *)&defparam.sincr,SASIZE(&defparam.sincr))) {
if(connectwithpoll(new_sock,(struct sockaddr *)&defparam.sincr,SASIZE(&defparam.sincr))) {
so._closesocket(new_sock);
new_sock = INVALID_SOCKET;
usleep(SLEEPTIME);