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-rw-r--r--fs/cifs/cifssmb.c74
1 files changed, 42 insertions, 32 deletions
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index 1cd01ba03656..1f3c8a463fcd 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -5074,6 +5074,47 @@ SetAttrLgcyRetry:
5074} 5074}
5075#endif /* temporarily unneeded SetAttr legacy function */ 5075#endif /* temporarily unneeded SetAttr legacy function */
5076 5076
5077static void
5078cifs_fill_unix_set_info(FILE_UNIX_BASIC_INFO *data_offset,
5079 const struct cifs_unix_set_info_args *args)
5080{
5081 u64 mode = args->mode;
5082
5083 /*
5084 * Samba server ignores set of file size to zero due to bugs in some
5085 * older clients, but we should be precise - we use SetFileSize to
5086 * set file size and do not want to truncate file size to zero
5087 * accidently as happened on one Samba server beta by putting
5088 * zero instead of -1 here
5089 */
5090 data_offset->EndOfFile = cpu_to_le64(NO_CHANGE_64);
5091 data_offset->NumOfBytes = cpu_to_le64(NO_CHANGE_64);
5092 data_offset->LastStatusChange = cpu_to_le64(args->ctime);
5093 data_offset->LastAccessTime = cpu_to_le64(args->atime);
5094 data_offset->LastModificationTime = cpu_to_le64(args->mtime);
5095 data_offset->Uid = cpu_to_le64(args->uid);
5096 data_offset->Gid = cpu_to_le64(args->gid);
5097 /* better to leave device as zero when it is */
5098 data_offset->DevMajor = cpu_to_le64(MAJOR(args->device));
5099 data_offset->DevMinor = cpu_to_le64(MINOR(args->device));
5100 data_offset->Permissions = cpu_to_le64(mode);
5101
5102 if (S_ISREG(mode))
5103 data_offset->Type = cpu_to_le32(UNIX_FILE);
5104 else if (S_ISDIR(mode))
5105 data_offset->Type = cpu_to_le32(UNIX_DIR);
5106 else if (S_ISLNK(mode))
5107 data_offset->Type = cpu_to_le32(UNIX_SYMLINK);
5108 else if (S_ISCHR(mode))
5109 data_offset->Type = cpu_to_le32(UNIX_CHARDEV);
5110 else if (S_ISBLK(mode))
5111 data_offset->Type = cpu_to_le32(UNIX_BLOCKDEV);
5112 else if (S_ISFIFO(mode))
5113 data_offset->Type = cpu_to_le32(UNIX_FIFO);
5114 else if (S_ISSOCK(mode))
5115 data_offset->Type = cpu_to_le32(UNIX_SOCKET);
5116}
5117
5077int 5118int
5078CIFSSMBUnixSetPathInfo(const int xid, struct cifsTconInfo *tcon, char *fileName, 5119CIFSSMBUnixSetPathInfo(const int xid, struct cifsTconInfo *tcon, char *fileName,
5079 const struct cifs_unix_set_info_args *args, 5120 const struct cifs_unix_set_info_args *args,
@@ -5086,7 +5127,6 @@ CIFSSMBUnixSetPathInfo(const int xid, struct cifsTconInfo *tcon, char *fileName,
5086 int bytes_returned = 0; 5127 int bytes_returned = 0;
5087 FILE_UNIX_BASIC_INFO *data_offset; 5128 FILE_UNIX_BASIC_INFO *data_offset;
5088 __u16 params, param_offset, offset, count, byte_count; 5129 __u16 params, param_offset, offset, count, byte_count;
5089 __u64 mode = args->mode;
5090 5130
5091 cFYI(1, ("In SetUID/GID/Mode")); 5131 cFYI(1, ("In SetUID/GID/Mode"));
5092setPermsRetry: 5132setPermsRetry:
@@ -5137,38 +5177,8 @@ setPermsRetry:
5137 pSMB->InformationLevel = cpu_to_le16(SMB_SET_FILE_UNIX_BASIC); 5177 pSMB->InformationLevel = cpu_to_le16(SMB_SET_FILE_UNIX_BASIC);
5138 pSMB->Reserved4 = 0; 5178 pSMB->Reserved4 = 0;
5139 pSMB->hdr.smb_buf_length += byte_count; 5179 pSMB->hdr.smb_buf_length += byte_count;
5140 /* Samba server ignores set of file size to zero due to bugs in some
5141 older clients, but we should be precise - we use SetFileSize to
5142 set file size and do not want to truncate file size to zero
5143 accidently as happened on one Samba server beta by putting
5144 zero instead of -1 here */
5145 data_offset->EndOfFile = cpu_to_le64(NO_CHANGE_64);
5146 data_offset->NumOfBytes = cpu_to_le64(NO_CHANGE_64);
5147 data_offset->LastStatusChange = cpu_to_le64(args->ctime);
5148 data_offset->LastAccessTime = cpu_to_le64(args->atime);
5149 data_offset->LastModificationTime = cpu_to_le64(args->mtime);
5150 data_offset->Uid = cpu_to_le64(args->uid);
5151 data_offset->Gid = cpu_to_le64(args->gid);
5152 /* better to leave device as zero when it is */
5153 data_offset->DevMajor = cpu_to_le64(MAJOR(args->device));
5154 data_offset->DevMinor = cpu_to_le64(MINOR(args->device));
5155 data_offset->Permissions = cpu_to_le64(mode);
5156
5157 if (S_ISREG(mode))
5158 data_offset->Type = cpu_to_le32(UNIX_FILE);
5159 else if (S_ISDIR(mode))
5160 data_offset->Type = cpu_to_le32(UNIX_DIR);
5161 else if (S_ISLNK(mode))
5162 data_offset->Type = cpu_to_le32(UNIX_SYMLINK);
5163 else if (S_ISCHR(mode))
5164 data_offset->Type = cpu_to_le32(UNIX_CHARDEV);
5165 else if (S_ISBLK(mode))
5166 data_offset->Type = cpu_to_le32(UNIX_BLOCKDEV);
5167 else if (S_ISFIFO(mode))
5168 data_offset->Type = cpu_to_le32(UNIX_FIFO);
5169 else if (S_ISSOCK(mode))
5170 data_offset->Type = cpu_to_le32(UNIX_SOCKET);
5171 5180
5181 cifs_fill_unix_set_info(data_offset, args);
5172 5182
5173 pSMB->ByteCount = cpu_to_le16(byte_count); 5183 pSMB->ByteCount = cpu_to_le16(byte_count);
5174 rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB, 5184 rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,