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GeoIP 1.4.8 ----------- *** Experimental IPv6 notice *** - the experimental IPv6 part of libGeoIP may change in the future. - It is possible, that geoiplookup and geoiplookup6 will merged. *** The new perl script geoipupdate-pureperl.pl is a drop in replacement for geoipupdate. Useful, if you like to customize, pre or postprocess new or old databases. To archive the databases or signal apache whatever. Another advantage is, that geoipupdate-pureperl.pl is able to handle proxy requests even with authentication. IMPORTANT API Change for 1.3.x and above users for GeoIP Region database GeoIPRegion.region is no longer a pointer but an in-structure array so test the first byte of region == 0 rather testing if the region pointer is NULL. IMPORTANT API Change for 1.1.x and above users - as of GeoIP 1.1.0 the GeoIP_country_xxx_by_xxx functions return NULL if a country can not be found (it used to return '--' or 'N/A'. Be sure to check the return value for NULL, to avoid segmentation faults! GeoIP is a C library that enables the user to find geographical and network information of an IP address. Included is a free GeoLite Country database that is updated at the beginning of every month. To download the latest free GeoLite Country database, go to: http://www.maxmind.com/app/geoip_country There is also a free city-level geolocation database, GeoLite City, available from: http://www.maxmind.com/app/geolitecity We also offer commercial GeoIP databases with greater accuracy and additional network information, for more details, see: http://www.maxmind.com/app/products As of version 1.4.5 geoipupdate can handle updates via HTTP Proxy Server. If the environ variable http_proxy="http://proxy-host:port" is set. The username:password (as in FTP URLs) is not supported! Thanks to Andrew Droffner for the patch! As of version 1.3.6, the GeoIP C library is thread safe, as long as GEOIP_CHECK_CACHE is not used. This module can be used to automatically select the geographically closest mirror, to analyze your web server logs to determine the countries of your visitors, for credit card fraud detection, and for software export controls. If you use GeoIP to block access from high risk countries in order to reduce fraud or abuse, you should also block access from known proxy servers. For more details, see: http://www.maxmind.com/app/proxy To install, run: ./configure make make check make install The GeoIP C library relies on GNU make, not on BSD make MEMORY CACHING AND OTHER OPTIONS There are four options available: GEOIP_STANDARD - read database from filesystem, uses least memory. GEOIP_MEMORY_CACHE - load database into memory, faster performance but uses more memory GEOIP_CHECK_CACHE - check for updated database. If database has been updated, reload filehandle and/or memory cache. GEOIP_INDEX_CACHE - just cache the most frequently accessed index portion of the database, resulting in faster lookups than GEOIP_STANDARD, but less memory usage than GEOIP_MEMORY_CACHE - useful for larger databases such as GeoIP Organization and GeoIP City. Note, for GeoIP Country, Region and Netspeed databases, GEOIP_INDEX_CACHE is equivalent to GEOIP_MEMORY_CACHE GEOIP_MMAP_CACHE - load database into mmap shared memory ( MMAP is not avail for WIN32 ) The options can be combined using bit operators. For example you can use both GEOIP_MEMORY_CACHE and GEOIP_CHECK_CACHE by calling: GeoIP_open("/path/to/GeoIP.dat", GEOIP_MEMORY_CACHE | GEOIP_CHECK_CACHE); By default, the city name is returned in iso-8859-1 charset. To obtain the city name in utf8 instead, run: GeoIP_set_charset(gi, GEOIP_CHARSET_UTF8); To get the netmask of the netblock of the last lookup, use GeoIP_last_netblock(gi). EXAMPLES See test/ test-geoip.c test-geoip-region.c test-geoip-city.c test-geoip-isp.c test-geoip-org.c test-geoip-netspeed.c for examples of how to use the API. The test-geoip.c program works with both the GeoLite and GeoIP Country databases. The test-geoip-city.c program works with both the GeoLite and GeoIP City databases. The other example programs require the paid databases available from http://www.maxmind.com/app/products AUTOMATIC UPDATES MaxMind offers a service where you can have your database updated automically each week. For more details see: http://www.maxmind.com/app/license_key RESOURCES Mailinglists Please join the very low traffic mailinglists you are interested in. http://sourceforge.net/mail/?group_id=66844 Preformance Patches. Patrick McManus provide a patch to enhance the lookupspeed in MEMORY_CACHE mode. If you feel, that the current MEMORY_CACHE mode is to slow try the patch: http://sourceforge.net/mailarchive/forum.php?forum_name=geoip-c-discuss&max_rows=25&style=nested&viewmonth=200803 TROUBLESHOOTING If you run into trouble building your application with GeoIP support, try adding -fms-extensions to your CFLAGS. If you use Solaris and there C-Compiler use -features=extensions instead. These options enable unnamed union support and fix problems like: 'improper member use: dma_code' or 'GeoIPRecord' has no member named 'dma_code'. Note that it is recommended that you use GNU make. Also, if you are using OpenBSD, GeoIP requires OpenBSD 3.1 or greater. if you get "cannot load shared object file: No such file or directory" error, add the directory libGeoIP.so was installed to to /etc/ld.so.conf and run ldconfig On Solaris, if you get a ld: fatal: relocations remain against allocatable but non-writable sections error, try running # make clean # ./configure --disable-shared # make If you get a "ar : command not found" error, make sure that ar is in your path. On Solaris, ar is typically found in /usr/ccs/bin If you get a "geoipupdate.c:24: getopt.h: No such file or directory" error, run # export CPPFLAGS="-I/usr/local/include" (assuming that getopt.h is in /usr/local/include) If you get a "zlib.h: No such file or directory" error, make sure that the zlib development libraries are installed on your server. These are typically included in a "zlib-devel" package. If you get a "bad interpreter: No such file or directory" error when running ./configure, make sure that there are no DOS returns in the configure script. To remove DOS returns, run perl -pi -e 's!\r!!g' configure. If gcc fails while consuming a large amount of memory, try compiling with CFLAGS=-O1 (or -O0) instead of the default -O2. It seems that some versions of gcc have a bug and consume 1 GB of memory when optimizing certain source files (the other source file where this was reported is from XORG X-Server). It happens at least with gcc 3.3.1 and with gcc 4.2(.0). Thanks to Kai Schätzl for the report. If GEOIP_MMAP_CACHE doesn't work on a 64bit machine, try adding the flag "MAP_32BIT" to the mmap call. If you get a "passing argument 3 of 'gethostbyname_r' from incompatible pointer type" error on AIX, download and/or untar a fresh copy of GeoIP. ( To avoid cached results from a previous ./configure run ) cd ./GeoIP-1.4.6 then edit the file ./configure and delete these two lines: #define HAVE_GETHOSTBYNAME_R 1 #define GETHOSTBYNAME_R_RETURNS_INT 1 then save the configure script and build it as usual ./configure make sudo make install To submit a patch, please contact email@example.com