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#include <iostream>
#include <fstream>
#include <zypp-core/base/Logger.h>
#include <zypp-core/base/IOStream.h>
#include <zypp-core/Pathname.h>
#include <zypp-core/fs/PathInfo.h>
#include <zypp-curl/CurlConfig>
using std::endl;
namespace zypp
{
namespace media
{
///////////////////////////////////////////////////////////////////
//
// METHOD NAME : CurlConfig::parseConfig
// METHOD TYPE : int
//
int CurlConfig::parseConfig(CurlConfig & config, const std::string & filename)
{
Pathname curlrcFile;
if(filename.empty())
{
// attempts to load .curlrc from the homedir
char *home = getenv("HOME");
if(home)
curlrcFile = std::string( home ) + std::string( "/.curlrc" );
}
else
curlrcFile = filename;
PathInfo h_info(curlrcFile.dirname(), PathInfo::LSTAT);
PathInfo c_info(curlrcFile, PathInfo::LSTAT);
if( h_info.isDir() && h_info.userMayRX() &&
c_info.isFile() && c_info.userMayR() )
{
MIL << "Going to parse " << curlrcFile << endl;
}
else
{
char buf[32] = "";
WAR << "Not allowed to parse '" << curlrcFile
<< "': dir/file owner: " << h_info.owner() << "/" << c_info.owner()
<< ", process uid: " << getuid()
<< " (" << (!getlogin_r(buf, 31) ? buf : "") << ")" << std::endl;
return 1;
}
std::ifstream inp(curlrcFile.c_str());
for(iostr::EachLine in( inp ); in; in.next())
{
std::string line = str::trim(*in);
// skip empty lines and comments
if (line.empty())
continue;
switch (line[0])
{
case '#':
case '/':
case '\r':
case '\n':
case '*':
case '\0':
continue;
}
// DBG << "line " << in.lineNo() << ": " << line << endl; // can't log passwords
const char * beg = line.c_str();
const char * cur = beg;
// space, '=' and ':' are all valid separators in curlrc
#define ISSEP(x) (((x)=='=') || ((x) == ':') || isspace(x))
// skip leading dashes (they are optional)
while (*cur && *cur == '-')
cur++;
beg = cur;
// skip non-separator characters
while (*cur && !ISSEP(*cur))
cur++;
std::string option(beg, cur - beg);
// skip separator characters
while (*cur && ISSEP(*cur))
cur++;
// rewind to the end of the line
beg = cur;
while (*cur)
cur++;
std::string value(beg, cur - beg);
DBG << "GOT: " << option << endl;
if (!value.empty())
{
// quoted parameter
if (value[0] == '\"')
{
// remove the quotes
std::string::size_type pos = value.rfind('\"');
bool cut_last =
pos == value.size() - 1 && pos > 1 && value[pos-1] != '\\';
value = value.substr(1,
cut_last ? value.size() - 2 : value.size() - 1);
// replace special characters:
pos = 0;
while ((pos = value.find('\\', pos)) != std::string::npos)
{
// just erase the backslash if it is found at the end
if (pos == value.size() - 1)
{
value = value.erase(pos, 1);
break;
}
switch(value[pos+1])
{
case 't':
value = value.replace(pos, 2, "\t");
break;
case 'n':
value = value.replace(pos, 2, "\n");
break;
case 'r':
value = value.replace(pos, 2, "\r");
break;
case 'v':
value = value.replace(pos, 2, "\v");
break;
case '\\':
value = value.erase(pos++, 1);
break;
default:;
value = value.erase(pos, 1);
}
}
}
// DBG << "PARAM: " << value << endl; // can't log passwords
}
CurlConfig::setParameter(config, option, value);
} // for EachLine in curlrc
return 0;
}
///////////////////////////////////////////////////////////////////
//
// METHOD NAME : CurlConfig::setParameter
// METHOD TYPE : int
//
int CurlConfig::setParameter(CurlConfig & config,
const std::string & option,
const std::string & value)
{
if (option == "proxy-user")
config.proxyuserpwd = value;
// add more curl config data here as they become needed
// else if (option == "foo")
else
DBG << "Ignoring option " << option << endl;
return 0;
}
} // namespace media
} // namespace zypp
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