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[NetBSD] Монтирование удаленных разделов через Sharity-Light (eng) (bsd win samba netbsd)


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Ключевые слова: bsd, win, samba, netbsd,  (найти похожие документы)
Date: Mon, 23 Oct 2000 12:18:57 +0400 (MSD) From: Jeremy C. Reed Subject: [NetBSD] Монтирование удаленных разделов через Sharity-Light (eng) Mounting Samba shares on your BSD system Accessing remote SMB/CIFS services with Sharity-Light (previously known as rumba). By Jeremy C. Reed I noticed that the NetBSD samba package installed a smbmount manual page, but no smbmount program. Under Linux-based systems, smbmount can be used to mount SMB shares. Basically, SMB -- or the Server Message Block protocol and now commonly known as the Common Internet File System (CIFS) -- allows you to access files and printers on remote computers. It is commonly used on Windows 98 and NT systems, but it is also available on Unix-type systems using the Samba tools. With Samba, you can use the smbclient program, which uses ftp-like commands (such as "LS", "GET" and "PUT"), to access SMB-shared resources. Nevertheless, being able to mount a remote SMB share may give you more flexibility and allows you to easily and quickly use the remote files. A program called Sharity-Light can be used to mount Samba shares. Previously known as rumba, the software is available for BSDs, Irix, Solaris, Next and other operating systems. According to the Sharity-Light README, the word "rumba" is trademarked and the program has been renamed. NetBSD still uses "rumba" as the package name. It is also available as a FreeBSD port using the correct "Sharity-Light" name. The open-source Sharity-Light utilities are maintained by the author of a commercial package called Sharity. The Sharity-Light README says that it will still be maintained "because it's the only free alternative." But if you want enhancements or further features, the README author suggests you consider using the full commercial version. On my NetBSD 1.42 system, I installed the NetBSD package rumba-0.6 by doing a "make" and a "make install" in the /usr/pkgsrc/net/rumba directory. A README was placed under /usr/pkg/share/doc/rumba. Further documentation is available in the rumba manual page. And rumba (and shlight) use similar syntax as the smbmount command. To allow non-root users to use rumba (and unrumba), they must be set uid root. (If rumba is not set uid, when ran as a regular user, you'll receive a "rumba must be installed suid root" error; and unrumba will report: "Operation not permitted.") The documentation states: "Bugs in rumba or unrumba might allow non root users to gain root access to your computer." To set the programs as uid root, I did "chmod u+s /usr/pkg/sbin/rumba" and "chmod u+s /usr/pkg/sbin/unrumba". To mount a share, I first added the server name to my /etc/hosts, then I did "rumba '//server/share_name' /mnt -U username -P password". It reported: "Using port 65400 for NFS." And when I did a "ls /mnt" I saw that it worked! I added the server name to /etc/hosts, because rumba uses gethostbyname() to find the IP. The man page says: "It is thus not really compatible with Lan Manager conventions, where the netbios name of the server is not necessarily the same as the hostname." If you need to use real netbios server and client names, you can use the "-s" and "-c" command line arguments to set them. I also was able to mount a share with "rumba '//win98/shared' /mnt" and it prompted for a password. (Rumba sends the passwords across the network as not-encrypted, clear text. Encrypted password support is available in the commercial version.) To umount the Samba share, you can use "unrumba"; this unloads the program from memory and unmounts the share. (If using Sharity-Light, the command is called "unshlight".) According to the README, rumba is based on some of the smbfs modules but runs in user-space instead of with the kernel. It uses NFS to interface with the kernel. Because it uses NFS, it is slower than smbfs; plus it closes the accessed files after five seconds because, the README says, NFS "has no way of telling about open files and file locking." And it did appear a little slow; for example, I created a file in vi, exited and then did a "ls -l" and the file was created but was zero bytes. But a moment later, I did "ls -l" again and it showed the correct file size. The version I used also showed two "." files and ".." files, one owned by root and the other owned by the user. Nevertheless, the program is usable and is a timesaver -- conveniently making my remote SMB shares very accessable. The Sharity-Light webpage is at http://www.obdev.at/Products/shlight.html. The source code is available via http://www.obdev.at/ftp/pub/Products/Sharity-Light/ or ftp://ftp.obdev.at/pub/Products/Sharity-Light.

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Обсуждение [ RSS ]
  • 1, jeff (?), 17:17, 04/11/2003 [ответить]  
  • +/
    How to allow users to chmod files in smbfs
     

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