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fix capabilities in write and execute case 

Change-Id: Ic9abc53cd0aafa1fd6272fab8191493c609ea995
This commit is contained in:
mucor 2021-04-16 17:33:40 +08:00
parent 62e708c70f
commit c6b898ea30
1 changed files with 5 additions and 4 deletions
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9
fs/vfs/operation/fs_other.c
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@ -107,20 +107,21 @@ int VfsPermissionCheck(uint fuid, uint fgid, uint fileMode, int accMode)
tmpMode = 0;
if (S_ISDIR(fileMode)) {
if (((uint)accMode & EXEC_OP) && (IsCapPermit(CAP_DAC_READ_SEARCH))) {
if (IsCapPermit(CAP_DAC_EXECUTE)
|| (!((uint)accMode & WRITE_OP) && IsCapPermit(CAP_DAC_READ_SEARCH))) {
tmpMode |= EXEC_OP;
}
} else {
if (((uint)accMode & EXEC_OP) && (IsCapPermit(CAP_DAC_EXECUTE)) && (fileMode & MODE_IXUGO)) {
if (IsCapPermit(CAP_DAC_EXECUTE) && (fileMode & MODE_IXUGO)) {
tmpMode |= EXEC_OP;
}
}
if (((uint)accMode & WRITE_OP) && IsCapPermit(CAP_DAC_WRITE)) {
if (IsCapPermit(CAP_DAC_WRITE)) {
tmpMode |= WRITE_OP;
}
if (((uint)accMode & READ_OP) && IsCapPermit(CAP_DAC_READ_SEARCH)) {
if (IsCapPermit(CAP_DAC_READ_SEARCH)) {
tmpMode |= READ_OP;
}