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Merge pull request #1304 from skunkwerks/dev

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BSD: add debug fprintf for all external commands
This commit is contained in:
Joseph Henry 2021-08-30 10:11:53 -07:00 committed by GitHub
commit b6680b18e7
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 34 additions and 1 deletions
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21
osdep/BSDEthernetTap.cpp
View File

@ -106,6 +106,9 @@ BSDEthernetTap::BSDEthernetTap(
if (std::find(devFiles.begin(),devFiles.end(),std::string(tmpdevname)) == devFiles.end()) {
long cpid = (long)vfork();
if (cpid == 0) {
#ifdef ZT_TRACE
fprintf(stderr, "DEBUG: ifconfig %s create" ZT_EOL_S, tmpdevname);
#endif
::execl("/sbin/ifconfig","/sbin/ifconfig",tmpdevname,"create",(const char *)0);
::_exit(-1);
} else if (cpid > 0) {
@ -117,6 +120,9 @@ BSDEthernetTap::BSDEthernetTap(
if (!stat(devpath,&stattmp)) {
cpid = (long)vfork();
if (cpid == 0) {
#ifdef ZT_TRACE
fprintf(stderr, "DEBUG: ifconfig %s name %s" ZT_EOL_S, tmpdevname, _dev.c_str());
#endif
::execl("/sbin/ifconfig","/sbin/ifconfig",tmpdevname,"name",_dev.c_str(),(const char *)0);
::_exit(-1);
} else if (cpid > 0) {
@ -163,6 +169,9 @@ BSDEthernetTap::BSDEthernetTap(
OSUtils::ztsnprintf(metstr,sizeof(metstr),"%u",_metric);
long cpid = (long)vfork();
if (cpid == 0) {
#ifdef ZT_TRACE
fprintf(stderr, "DEBUG: ifconfig %s lladdr %s mtu %s metric %s up" ZT_EOL_S, _dev.c_str(), ethaddr, mtustr, metstr);
#endif
::execl("/sbin/ifconfig","/sbin/ifconfig",_dev.c_str(),"lladdr",ethaddr,"mtu",mtustr,"metric",metstr,"up",(const char *)0);
::_exit(-1);
} else if (cpid > 0) {
@ -192,6 +201,9 @@ BSDEthernetTap::~BSDEthernetTap()
long cpid = (long)vfork();
if (cpid == 0) {
#ifdef ZT_TRACE
fprintf(stderr, "DEBUG: ifconfig %s destroy" ZT_EOL_S, _dev.c_str());
#endif
::execl("/sbin/ifconfig","/sbin/ifconfig",_dev.c_str(),"destroy",(const char *)0);
::_exit(-1);
} else if (cpid > 0) {
@ -215,6 +227,9 @@ static bool ___removeIp(const std::string &_dev,const InetAddress &ip)
long cpid = (long)vfork();
if (cpid == 0) {
char ipbuf[64];
#ifdef ZT_TRACE
fprintf(stderr, "DEBUG: ifconfig %s inet %s -alias" ZT_EOL_S, _dev.c_str(), ip.toIpString(ipbuf));
#endif
execl("/sbin/ifconfig","/sbin/ifconfig",_dev.c_str(),"inet",ip.toIpString(ipbuf),"-alias",(const char *)0);
_exit(-1);
} else if (cpid > 0) {
@ -245,6 +260,9 @@ bool BSDEthernetTap::addIp(const InetAddress &ip)
long cpid = (long)vfork();
if (cpid == 0) {
char tmp[128];
#ifdef ZT_TRACE
fprintf(stderr, "DEBUG: ifconfig %s %s %s alias" ZT_EOL_S, _dev.c_str(), ip.isV4() ? "inet" : "inet6", ip.toString(tmp));
#endif
::execl("/sbin/ifconfig","/sbin/ifconfig",_dev.c_str(),ip.isV4() ? "inet" : "inet6",ip.toString(tmp),"alias",(const char *)0);
::_exit(-1);
} else if (cpid > 0) {
@ -375,6 +393,9 @@ void BSDEthernetTap::setMtu(unsigned int mtu)
if (cpid == 0) {
char tmp[64];
OSUtils::ztsnprintf(tmp,sizeof(tmp),"%u",mtu);
#ifdef ZT_TRACE
fprintf(stderr, "DEBUG: ifconfig %s mtu %s" ZT_EOL_S, _dev.c_str(), tmp);
#endif
execl("/sbin/ifconfig","/sbin/ifconfig",_dev.c_str(),"mtu",tmp,(const char *)0);
_exit(-1);
} else if (cpid > 0) {

14
osdep/ManagedRoute.cpp
View File

@ -250,14 +250,26 @@ static void _routeCmd(const char *op,const InetAddress &target,const InetAddress
char iptmp[64];
if (via) {
if ((ifscope)&&(ifscope[0])) {
#ifdef ZT_TRACE
fprintf(stderr, "DEBUG: route %s -ifscope %s %s %s" ZT_EOL_S, ifscope,((target.ss_family == AF_INET6) ? "-inet6" : "-inet"),target.toString(ttmp),via.toIpString(iptmp));
#endif
::execl(ZT_BSD_ROUTE_CMD,ZT_BSD_ROUTE_CMD,op,"-ifscope",ifscope,((target.ss_family == AF_INET6) ? "-inet6" : "-inet"),target.toString(ttmp),via.toIpString(iptmp),(const char *)0);
} else {
#ifdef ZT_TRACE
fprintf(stderr, "DEBUG: route %s %s %s %s" ZT_EOL_S, op,((target.ss_family == AF_INET6) ? "-inet6" : "-inet"),target.toString(ttmp),via.toIpString(iptmp));
#endif
::execl(ZT_BSD_ROUTE_CMD,ZT_BSD_ROUTE_CMD,op,((target.ss_family == AF_INET6) ? "-inet6" : "-inet"),target.toString(ttmp),via.toIpString(iptmp),(const char *)0);
}
} else if ((localInterface)&&(localInterface[0])) {
if ((ifscope)&&(ifscope[0])) {
#ifdef ZT_TRACE
fprintf(stderr, "DEBUG: route %s -ifscope %s %s %s -interface %s" ZT_EOL_S, op, ifscope,((target.ss_family == AF_INET6) ? "-inet6" : "-inet"),target.toString(ttmp),localInterface);
#endif
::execl(ZT_BSD_ROUTE_CMD,ZT_BSD_ROUTE_CMD,op,"-ifscope",ifscope,((target.ss_family == AF_INET6) ? "-inet6" : "-inet"),target.toString(ttmp),"-interface",localInterface,(const char *)0);
} else {
#ifdef ZT_TRACE
fprintf(stderr, "DEBUG: route %s %s %s -interface %s" ZT_EOL_S, op,((target.ss_family == AF_INET6) ? "-inet6" : "-inet"),target.toString(ttmp),localInterface);
#endif
::execl(ZT_BSD_ROUTE_CMD,ZT_BSD_ROUTE_CMD,op,((target.ss_family == AF_INET6) ? "-inet6" : "-inet"),target.toString(ttmp),"-interface",localInterface,(const char *)0);
}
}
@ -566,4 +578,4 @@ void ManagedRoute::remove()
_applied.clear();
}
} // namespace ZeroTier
} // namespace ZeroTier