urbackup_backend/urbackupclient/lin_ver.cpp
2021-06-20 20:58:50 +02:00

118 lines
2.5 KiB
C++

#include "lin_ver.h"
#include <stdio.h>
#include <map>
#include "../stringtools.h"
namespace
{
std::string run_cmd(const std::string& cmd)
{
FILE* f=popen(cmd.c_str(), "r");
if(f!=nullptr)
{
std::string data;
char buf[1024];
while(!feof(f))
{
if(fgets(buf, 1024, f))
{
data+=buf;
}
}
pclose(f);
return data;
}
return "";
}
std::map<std::string, std::string> read_kv(const std::string& cmd)
{
std::string data = run_cmd(cmd);
std::map<std::string, std::string> ret;
int lc = linecount(data);
for(int i = 0; i < lc; ++i)
{
std::string line = getline(i+1, data);
std::string key = strlower(trim(getuntil(":", line)));
std::string value = trim(getafter(":", line));
ret[key]=value;
}
return ret;
}
std::string unquote_value(std::string val)
{
val = trim(val);
if(val[0]=='"')
{
size_t last_pos = val.find_last_of('"');
if(last_pos!=0)
{
val=val.substr(1, last_pos-1);
}
}
else if(val[0]=='\'')
{
size_t last_pos = val.find_last_of('\'');
if(last_pos!=0)
{
val=val.substr(1, last_pos-1);
}
}
return val;
}
std::map<std::string, std::string> read_kv_file(const std::string& fn)
{
std::string data = getFile(fn);
std::map<std::string, std::string> ret;
int lc = linecount(data);
for(int i = 0; i < lc; ++i)
{
std::string line = getline(i+1, data);
std::string key = strlower(trim(getuntil("=", line)));
std::string value = unquote_value(trim(getafter("=", line)));
ret[key]=value;
}
return ret;
}
}
std::string get_lin_os_version()
{
std::string kernel = trim(run_cmd("uname -r"));
std::string arch = trim(run_cmd("uname -m"));
std::string description;
#ifndef __APPLE__
std::map<std::string, std::string> m = read_kv("lsb_release -a");
description = m["description"];
if(description.empty())
{
if(FileExists("/etc/redhat-release"))
{
description = trim(getFile("/etc/redhat-release"));
}
else if(FileExists("/etc/os-release"))
{
m = read_kv_file("/etc/os-release");
description = m["name"] + " " + m["version"];
}
else if(FileExists("/etc/debian_version"))
{
description = "Debian " + trim(getFile("/etc/debian_version"));
}
}
#else
description = "Mac OS X "+trim(run_cmd("sw_vers -productVersion"));
#endif
return description + (kernel.empty()?"":("; Kernel " + kernel + (arch.empty()?"":(" " + arch))));
}