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| author | Miklos Szeredi <mszeredi@suse.cz> | 2011-07-01 14:01:29 +0200 |
|---|---|---|
| committer | Miklos Szeredi <mszeredi@suse.cz> | 2011-07-01 14:01:29 +0200 |
| commit | a575d482345235b71409c9627c1c8b0787dcde7c (patch) | |
| tree | a36f5e992cedf8c693b989400e4b4f8cd2555ab2 | |
| parent | eac5268e87a9ffeefaa5edcd40392e14cd5aa1e3 (diff) | |
| download | sshfs-a575d482345235b71409c9627c1c8b0787dcde7c.tar sshfs-a575d482345235b71409c9627c1c8b0787dcde7c.tar.gz sshfs-a575d482345235b71409c9627c1c8b0787dcde7c.tar.bz2 sshfs-a575d482345235b71409c9627c1c8b0787dcde7c.zip | |
Add hard link operation
Works if the server supports the "hardlink@openssh.com" protocol
extension.
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | sshfs.c | 25 |
2 files changed, 30 insertions, 0 deletions
@@ -1,3 +1,8 @@ +2011-07-01 Miklos Szeredi <miklos@szeredi.hu> + + * Add hard link operation. Works if the server supports the + "hardlink@openssh.com" protocol extension. + 2011-03-25 Miklos Szeredi <miklos@szeredi.hu> * Fix possible deadlock on reconnection. Reported by Florian @@ -104,6 +104,7 @@ #define SFTP_EXT_POSIX_RENAME "posix-rename@openssh.com" #define SFTP_EXT_STATVFS "statvfs@openssh.com" +#define SFTP_EXT_HARDLINK "hardlink@openssh.com" #define PROTO_VERSION 3 @@ -217,6 +218,7 @@ struct sshfs { char *password; int ext_posix_rename; int ext_statvfs; + int ext_hardlink; mode_t mnt_mode; /* statistics */ @@ -1377,6 +1379,9 @@ static int sftp_init_reply_ok(struct buffer *buf, uint32_t *version) if (strcmp(ext, SFTP_EXT_STATVFS) == 0 && strcmp(extdata, "2") == 0) sshfs.ext_statvfs = 1; + if (strcmp(ext, SFTP_EXT_HARDLINK) == 0 && + strcmp(extdata, "1") == 0) + sshfs.ext_hardlink = 1; } while (buf2.len < buf2.size); } return 0; @@ -2076,6 +2081,25 @@ static int sshfs_rename(const char *from, const char *to) return err; } +static int sshfs_link(const char *from, const char *to) +{ + int err = -ENOSYS; + + if (sshfs.ext_hardlink) { + struct buffer buf; + + buf_init(&buf, 0); + buf_add_string(&buf, SFTP_EXT_HARDLINK); + buf_add_path(&buf, from); + buf_add_path(&buf, to); + err = sftp_request(SSH_FXP_EXTENDED, &buf, SSH_FXP_STATUS, + NULL); + buf_free(&buf); + } + + return err; +} + static int sshfs_chmod(const char *path, mode_t mode) { int err; @@ -2829,6 +2853,7 @@ static struct fuse_cache_operations sshfs_oper = { .unlink = sshfs_unlink, .rmdir = sshfs_rmdir, .rename = sshfs_rename, + .link = sshfs_link, .chmod = sshfs_chmod, .chown = sshfs_chown, .truncate = sshfs_truncate, |