ExternalVendorCode/ZeroTierOne
1
0
Fork 0
mirror of https://github.com/zerotier/ZeroTierOne.git synced 2025-06-13 04:38:28 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Improve code security posture by replacing sprintf with a safer function.

Browse Source
This commit is contained in:
Adam Ierymenko
2013-08-30 17:05:43 -04:00
parent 1a7e303f97
commit f3ad05347e
16 changed files with 75 additions and 69 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
node/Filter.cpp
View File

@ -186,7 +186,7 @@ bool Filter::Rule::operator()(unsigned int etype,const void *data,unsigned int l
break;
default: {
char foo[128];
sprintf(foo,"unrecognized IPv6 header type %d",(int)nextHeader);
Utils::snprintf(foo,sizeof(foo),"unrecognized IPv6 header type %d",(int)nextHeader);
throw std::invalid_argument(foo);
}
}
@ -215,11 +215,11 @@ std::string Filter::Rule::toString() const
s.push_back('*');
break;
case 1:
sprintf(buf,"%u",_etherType.start);
Utils::snprintf(buf,sizeof(buf),"%u",_etherType.start);
s.append(buf);
break;
default:
sprintf(buf,"%u-%u",_etherType.start,_etherType.end);
Utils::snprintf(buf,sizeof(buf),"%u-%u",_etherType.start,_etherType.end);
s.append(buf);
break;
}
@ -229,11 +229,11 @@ std::string Filter::Rule::toString() const
s.push_back('*');
break;
case 1:
sprintf(buf,"%u",_protocol.start);
Utils::snprintf(buf,sizeof(buf),"%u",_protocol.start);
s.append(buf);
break;
default:
sprintf(buf,"%u-%u",_protocol.start,_protocol.end);
Utils::snprintf(buf,sizeof(buf),"%u-%u",_protocol.start,_protocol.end);
s.append(buf);
break;
}
@ -243,11 +243,11 @@ std::string Filter::Rule::toString() const
s.push_back('*');
break;
case 1:
sprintf(buf,"%u",_port.start);
Utils::snprintf(buf,sizeof(buf),"%u",_port.start);
s.append(buf);
break;
default:
sprintf(buf,"%u-%u",_port.start,_port.end);
Utils::snprintf(buf,sizeof(buf),"%u-%u",_port.start,_port.end);
s.append(buf);
break;
}
@ -269,7 +269,7 @@ Filter::Filter(const char *s)
++fn;
} catch (std::invalid_argument &exc) {
char tmp[256];
sprintf(tmp,"invalid rule at index %u: %s",fn,exc.what());
Utils::snprintf(tmp,sizeof(tmp),"invalid rule at index %u: %s",fn,exc.what());
throw std::invalid_argument(tmp);
}
}