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| author | Shirish Pargaonkar <shirishp@us.ibm.com> | 2007-10-30 04:45:14 +0000 |
|---|---|---|
| committer | Steve French <sfrench@us.ibm.com> | 2007-10-30 04:45:14 +0000 |
| commit | e01b64001359034d04c695388870936ed3d1b56b (patch) | |
| tree | 1c6c3e0267e7bd902d0c8c9293ceb844a6993bd2 | |
| parent | b9c7a2bb1e57f571d3b0763bdce1ce15510a7b78 (diff) | |
| download | blackbird-op-linux-e01b64001359034d04c695388870936ed3d1b56b.tar.gz blackbird-op-linux-e01b64001359034d04c695388870936ed3d1b56b.zip | |
[CIFS] enable get mode from ACL when cifsacl mount option specified
Part 9 of ACL patch series. getting mode from ACL now works in
some cases (and requires CIFS_EXPERIMENTAL config option).
Signed-off-by: Shirish Pargaonkar <shirishp@us.ibm.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
| -rw-r--r-- | fs/cifs/CHANGES | 4 | ||||
| -rw-r--r-- | fs/cifs/cifsacl.c | 28 |
2 files changed, 24 insertions, 8 deletions
diff --git a/fs/cifs/CHANGES b/fs/cifs/CHANGES index 3d419163c3d3..c65c9da863f3 100644 --- a/fs/cifs/CHANGES +++ b/fs/cifs/CHANGES @@ -12,7 +12,9 @@ leak that causes cifsd not to stop and rmmod to fail to cleanup cifs_request_buffers pool. Fix problem with POSIX Open/Mkdir on bigendian architectures. Fix possible memory corruption when EAGAIN returned on kern_recvmsg. Return better error if server -requires packet signing but client has disabled it. +requires packet signing but client has disabled it. When mounted +with cifsacl mount option - mode bits are approximated based +on the contents of the files ACL. Version 1.50 ------------ diff --git a/fs/cifs/cifsacl.c b/fs/cifs/cifsacl.c index cad2da3a447d..629b96c21639 100644 --- a/fs/cifs/cifsacl.c +++ b/fs/cifs/cifsacl.c @@ -43,8 +43,8 @@ static struct cifs_wksid wksidarr[NUM_WK_SIDS] = { /* security id for everyone */ -static const struct cifs_sid sid_everyone = - {1, 1, {0, 0, 0, 0, 0, 0}, {} }; +static const struct cifs_sid sid_everyone = { + 1, 1, {0, 0, 0, 0, 0, 1}, {0} }; /* group users */ static const struct cifs_sid sid_user = {1, 2 , {0, 0, 0, 0, 0, 5}, {} }; @@ -138,8 +138,6 @@ static void access_flags_to_mode(__u32 ace_flags, umode_t *pmode, umode_t bits_to_set) { - *pmode &= ~bits_to_set; - if (ace_flags & GENERIC_ALL) { *pmode |= (S_IRWXUGO & bits_to_set); #ifdef CONFIG_CIFS_DEBUG2 @@ -147,11 +145,14 @@ static void access_flags_to_mode(__u32 ace_flags, umode_t *pmode, #endif return; } - if ((ace_flags & GENERIC_WRITE) || (ace_flags & FILE_WRITE_RIGHTS)) + if ((ace_flags & GENERIC_WRITE) || + ((ace_flags & FILE_WRITE_RIGHTS) == FILE_WRITE_RIGHTS)) *pmode |= (S_IWUGO & bits_to_set); - if ((ace_flags & GENERIC_READ) || (ace_flags & FILE_READ_RIGHTS)) + if ((ace_flags & GENERIC_READ) || + ((ace_flags & FILE_READ_RIGHTS) == FILE_READ_RIGHTS)) *pmode |= (S_IRUGO & bits_to_set); - if ((ace_flags & GENERIC_EXECUTE) || (ace_flags & FILE_EXEC_RIGHTS)) + if ((ace_flags & GENERIC_EXECUTE) || + ((ace_flags & FILE_EXEC_RIGHTS) == FILE_EXEC_RIGHTS)) *pmode |= (S_IXUGO & bits_to_set); #ifdef CONFIG_CIFS_DEBUG2 @@ -234,11 +235,24 @@ static void parse_dacl(struct cifs_acl *pdacl, char *end_of_acl, cifscred->aces = kmalloc(num_aces * sizeof(struct cifs_ace *), GFP_KERNEL);*/ + /* reset rwx permissions for user/group/other */ + inode->i_mode &= ~(S_IRWXUGO); + for (i = 0; i < num_aces; ++i) { ppace[i] = (struct cifs_ace *) (acl_base + acl_size); parse_ace(ppace[i], end_of_acl); + if (compare_sids(&(ppace[i]->sid), pownersid)) + access_flags_to_mode(ppace[i]->access_req, + &(inode->i_mode), S_IRWXU); + if (compare_sids(&(ppace[i]->sid), pgrpsid)) + access_flags_to_mode(ppace[i]->access_req, + &(inode->i_mode), S_IRWXG); + if (compare_sids(&(ppace[i]->sid), &sid_everyone)) + access_flags_to_mode(ppace[i]->access_req, + &(inode->i_mode), S_IRWXO); + /* memcpy((void *)(&(cifscred->aces[i])), (void *)ppace[i], sizeof(struct cifs_ace)); */ |
