Samba源码编译及安装
Posted skdev
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Samba源码编译及安装
一 引子
系统是Ubuntu14.04，参考《Ubuntu 14.04 samba安装》http://blog.chinaunix.net/uid-26527046-id-4338338.html，进行samba安装，在Windows 7下访问，却总提示“指定的网络名不再可用”，在另外的Ubuntu机器可以访问，但创建文件虽然成功，但会提示权限问题。
“指定的网络名不再可用”的问题，在/var/samba/log/ 下的log文件的显示这样的错误：
[2016/06/01 11:21:18.465733, 0]../source3/lib/popt_common.c:68(popt_s3_talloc_log_fn)
talloc: access after free error - first free may be at../source3/smbd/open.c:3715
[2016/06/01 11:21:18.465781, 0]../source3/lib/popt_common.c:68(popt_s3_talloc_log_fn)
Badtalloc magic value - access after free
[2016/06/01 11:21:18.465792, 0] ../source3/lib/util.c:789(smb_panic_s3)
PANIC (pid 3000): Bad talloc magic value - access after free
[2016/06/01 11:21:18.466529, 0] ../source3/lib/util.c:900(log_stack_trace)
BACKTRACE: 34 stack frames:
#0/usr/lib/x86_64-linux-gnu/samba/libsmbregistry.so.0(log_stack_trace+0x1a)[0x7f34da58214a]
#1/usr/lib/x86_64-linux-gnu/samba/libsmbregistry.so.0(smb_panic_s3+0x20)[0x7f34da582220]
#2/usr/lib/x86_64-linux-gnu/libsamba-util.so.0(smb_panic+0x2f) [0x7f34db2f98df]
#3/usr/lib/x86_64-linux-gnu/libtalloc.so.2(+0x1b5f) [0x7f34d8080b5f]
#4/usr/lib/x86_64-linux-gnu/libtalloc.so.2(_talloc_steal_loc+0xab)[0x7f34d808777b]
#5/usr/lib/x86_64-linux-gnu/libtalloc.so.2(_talloc_move+0x13) [0x7f34d80877b3]
#6/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(+0x18a9d8) [0x7f34daf3a9d8]
#7/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(+0x18ade1) [0x7f34daf3ade1]
#8/usr/lib/x86_64-linux-gnu/samba/libdbwrap.so.0(+0x51ed) [0x7f34d55471ed]
#9/usr/lib/x86_64-linux-gnu/libtdb.so.1(+0x8745) [0x7f34d22f2745]
#10 /usr/lib/x86_64-linux-gnu/libtdb.so.1(tdb_parse_record+0x6c)[0x7f34d22ededc]
#11 /usr/lib/x86_64-linux-gnu/samba/libdbwrap.so.0(+0x5559)[0x7f34d5547559]
#12/usr/lib/x86_64-linux-gnu/samba/libdbwrap.so.0(dbwrap_parse_record+0x1b)[0x7f34d5544dbb]
#13/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(fetch_share_mode_unlocked+0x54)[0x7f34daf3ba34]
#14/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(get_file_infos+0x60)[0x7f34daf34a20]
#15/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smbd_dirptr_get_entry+0x738)[0x7f34dae5e0d8]
#16 /usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smbd_dirptr_lanman2_entry+0x1c5)[0x7f34dae91f55]
#17 /usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(+0x14050f)[0x7f34daef050f]
#18/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smbd_smb2_request_process_query_directory+0x2e4)[0x7f34daef0c24]
#19/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smbd_smb2_request_dispatch+0xcad)[0x7f34daede49d]
#20 /usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(+0x12f0c2)[0x7f34daedf0c2]
#21 /usr/lib/x86_64-linux-gnu/libsmbconf.so.0(run_events_poll+0x16c)[0x7f34d921aa2c]
#22 /usr/lib/x86_64-linux-gnu/libsmbconf.so.0(+0x25c80) [0x7f34d921ac80]
#23 /usr/lib/x86_64-linux-gnu/libtevent.so.0(_tevent_loop_once+0x8d)[0x7f34d7e73d5d]
#24 /usr/lib/x86_64-linux-gnu/libtevent.so.0(tevent_common_loop_wait+0x1b)[0x7f34d7e73efb]
#25/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smbd_process+0x6c9)[0x7f34daecd5b9]
#26 smbd(+0x96b6) [0x7f34db9936b6]
#27 /usr/lib/x86_64-linux-gnu/libsmbconf.so.0(run_events_poll+0x16c) [0x7f34d921aa2c]
#28 /usr/lib/x86_64-linux-gnu/libsmbconf.so.0(+0x25c80) [0x7f34d921ac80]
#29 /usr/lib/x86_64-linux-gnu/libtevent.so.0(_tevent_loop_once+0x8d)[0x7f34d7e73d5d]
#30/usr/lib/x86_64-linux-gnu/libtevent.so.0(tevent_common_loop_wait+0x1b)[0x7f34d7e73efb]
#31 smbd(main+0x15b4) [0x7f34db9916c4]
#32 /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5)[0x7f34d7accec5]
#33 smbd(+0x7a96) [0x7f34db991a96]
[2016/06/01 11:21:18.466649, 0] ../source3/lib/util.c:801(smb_panic_s3)
smb_panic():calling panic action [/usr/share/samba/panic-action 3000]
[2016/06/01 11:21:18.469073, 0] ../source3/lib/util.c:809(smb_panic_s3)
smb_panic(): action returned status 0
[2016/06/01 11:21:18.469125, 0] ../source3/lib/dumpcore.c:318(dump_core)
dumping core in /var/log/samba/cores/smbd
[2016/06/01 11:23:04.329167, 0]../source3/lib/popt_common.c:68(popt_s3_talloc_log_fn)
talloc: access after free error - first free may be at../source3/smbd/open.c:3715
[2016/06/01 11:23:04.329238, 0] ../source3/lib/popt_common.c:68(popt_s3_talloc_log_fn)
Badtalloc magic value - access after free
[2016/06/01 11:23:04.329281, 0] ../source3/lib/util.c:789(smb_panic_s3)
PANIC (pid 3004): Bad talloc magic value - access after free
[2016/06/01 11:23:04.330660, 0] ../source3/lib/util.c:900(log_stack_trace)
BACKTRACE: 35 stack frames:
#0/usr/lib/x86_64-linux-gnu/samba/libsmbregistry.so.0(log_stack_trace+0x1a)[0x7f34da58214a]
#1/usr/lib/x86_64-linux-gnu/samba/libsmbregistry.so.0(smb_panic_s3+0x20) [0x7f34da582220]
#2/usr/lib/x86_64-linux-gnu/libsamba-util.so.0(smb_panic+0x2f) [0x7f34db2f98df]
#3/usr/lib/x86_64-linux-gnu/libtalloc.so.2(+0x1b5f) [0x7f34d8080b5f]
#4/usr/lib/x86_64-linux-gnu/libtalloc.so.2(_talloc_steal_loc+0xab) [0x7f34d808777b]
#5/usr/lib/x86_64-linux-gnu/libtalloc.so.2(_talloc_move+0x13) [0x7f34d80877b3]
#6/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(+0x18a9d8) [0x7f34daf3a9d8]
#7/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(get_share_mode_lock+0x17e) [0x7f34daf3b60e]
#8/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(close_file+0x10d)[0x7f34daeb216d]
#9/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(file_close_user+0x35)[0x7f34dae58d45]
#10 /usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smbXsrv_session_logoff+0xcd)[0x7f34daef787d]
#11 /usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(+0x147c06)[0x7f34daef7c06]
#12 /usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(+0x147ce2)[0x7f34daef7ce2]
#13 /usr/lib/x86_64-linux-gnu/samba/libdbwrap.so.0(+0x471d)[0x7f34d554671d]
#14 /usr/lib/x86_64-linux-gnu/samba/libdbwrap.so.0(+0x485a)[0x7f34d554685a]
#15 /usr/lib/x86_64-linux-gnu/samba/libdbwrap.so.0(dbwrap_traverse+0xa)[0x7f34d5544d4a]
#16 /usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smbXsrv_session_logoff_all+0x3c)[0x7f34daef7e5c]
#17 /usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(+0x14c85d)[0x7f34daefc85d]
#18 /usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(+0x14cd5e)[0x7f34daefcd5e]
#19 /usr/lib/x86_64-linux-gnu/samba/libsmbd-shim.so.0(exit_server_cleanly+0x12)[0x7f34d8ddaca2]
#20 /usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(+0x116850)[0x7f34daec6850]
#21/usr/lib/x86_64-linux-gnu/libtevent.so.0(tevent_common_check_signal+0x257)[0x7f34d7e77967]
#22 /usr/lib/x86_64-linux-gnu/libsmbconf.so.0(run_events_poll+0x24)[0x7f34d921a8e4]
#23 /usr/lib/x86_64-linux-gnu/libsmbconf.so.0(+0x25c80) [0x7f34d921ac80]
#24 /usr/lib/x86_64-linux-gnu/libtevent.so.0(_tevent_loop_once+0x8d)[0x7f34d7e73d5d]
#25/usr/lib/x86_64-linux-gnu/libtevent.so.0(tevent_common_loop_wait+0x1b)[0x7f34d7e73efb]
#26/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smbd_process+0x6c9)[0x7f34daecd5b9]
#27 smbd(+0x96b6) [0x7f34db9936b6]
#28 /usr/lib/x86_64-linux-gnu/libsmbconf.so.0(run_events_poll+0x16c)[0x7f34d921aa2c]
#29 /usr/lib/x86_64-linux-gnu/libsmbconf.so.0(+0x25c80) [0x7f34d921ac80]
#30 /usr/lib/x86_64-linux-gnu/libtevent.so.0(_tevent_loop_once+0x8d)[0x7f34d7e73d5d]
#31 /usr/lib/x86_64-linux-gnu/libtevent.so.0(tevent_common_loop_wait+0x1b)[0x7f34d7e73efb]
#32 smbd(main+0x15b4) [0x7f34db9916c4]
#33 /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5)[0x7f34d7accec5]
#34 smbd(+0x7a96) [0x7f34db991a96]
在网上查找各种解决方法，都没有用，比如: 检查 ComputerBrowser、Server、Workstation 三个服务
最后在samba官网看到，这是samba的一个BUG，有patch可以解决，这样我想，使用SAMBA的最新版本，应该就可以解决了吧。
于是有下面编译安装的过程。
二 编译及安装
1 到https://download.samba.org/pub/samba/stable/下载最新版本源码，我下载的是samba-4.4.3.tar.gz
2 解压，tar -xvf samba-4.4.3.tar.gz
3 安装编译环境及必要的工具：
sudo apt-get install git-core gnupg flexbison gperf build-essential zip curl zlib1g-dev gcc-multilib g++-multiliblibc6-dev-i386 lib32ncurses5-dev x11proto-core-dev libx11-dev lib32z-dev ccachelibgl1-mesa-dev libxml2-utils xsltproc unzip
sudo apt-get install python-dev libgnutls-devlibacl1-dev libldap2-dev
4 进入samba-4.4.3目录，开始进行编译:
./configure
make
sudo make install
configure或make过程，如果提示缺什么工具，就需要安装什么工具。
安装目录是在/user/local/samba下，这个目录并没有export出来，继续往下看。
5 卸载apt-get install安装的samba
$sudo apt-get remove samba-common
$sudo apt-get remove samba
6 export samba环境变量
sudo vi /etc/ld.so.conf.d/samba.conf
添加：
/usr/local/samba/lib
sudo vi /etc/profile.d/samba.sh
添加：
export PATH=$PATH:/usr/local/samba/bin:/usr/local/samba/sbin
sudo vi /etc/sudoers
修改：
Defaults secure_path="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
为
Defaults secure_path="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/local/samba/bin:/usr/local/samba/sbin"
因为这个文件是只读的，要用wq!保存。
7 重启系统，然后用命令smbd –V 查看版本，以确认环境变量是否起作用。
三 Samba配置
新装的samba，跑的配置文件是在/usr/local/samba/etc/目录下，所以需要将smb.conf拷过去。
sudo cp samba-4.4.3/packaging/LSB/smb.conf /usr/local/etc/
sudo vi /usr/local/etc/smb.conf
将workgroup改为：
workgroup = WORKGROUP
在文件末尾添加：
[share]
path= /home/xxx/share
writeable= yes
validusers = xxx
xxx 是系统的一个用户名，在其HOME目录下需要创建一个share文件夹。
添加xxx Samba用户：
sudo smbpasswd –a xxx
按要求输入密码
xxx首先必须是系统用户名称，密码可以不必与系统用户的密码相同。
smb.conf修改完毕后保存，然后调用下面命令启动samba服务：
sudo nmbd
sudo smbd
然后在Windows进行映射或者网上邻居访问。
四 参考
《Ubuntu 14.04samba安装》http://blog.chinaunix.net/uid-26527046-id-4338338.html
《编译安装SAMBA-3.5.6》http://www.cnblogs.com/steven_oyj/archive/2011/05/17/2048980.html
《samba服务器的安装》http://blog.csdn.net/a921800467b/article/details/8274611
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