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open: O_DIRECTORY and O_CREAT support

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Matheus
2023-06-26 22:19:25 -03:00
parent c1dc6fd745
commit 7d6e0885d3
1 changed files with 33 additions and 0 deletions
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kernel-src/sys/syscalls/open.c
+33
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@@ -5,6 +5,23 @@
#include <errno.h>
#include <logging.h>
#define O_CREAT 0100
#define O_EXCL 0200
#define O_NOCTTY 0400
#define O_TRUNC 01000
#define O_APPEND 02000
#define O_NONBLOCK 04000
#define O_DSYNC 010000
#define O_ASYNC 020000
#define O_LARGEFILE 0100000
#define O_DIRECTORY 0200000
#define O_NOFOLLOW 0400000
#define O_NOATIME 01000000
#define O_CLOEXEC 02000000
#define O_SYNC 04010000
#define O_RSYNC 04010000
#define O_TMPFILE 020000000
syscallret_t syscall_openat(context_t *context, int dirfd, const char *path, int flags, mode_t mode) {
syscallret_t ret = {
.ret = -1,
@@ -50,9 +67,25 @@ syscallret_t syscall_openat(context_t *context, int dirfd, const char *path, int
vnode_t *vnode = NULL;
ret.errno = vfs_open(dirnode, pathbuf, fileflagstovnodeflags(flags), &vnode);
if (ret.errno == ENOENT && (flags & O_CREAT)) {
vattr_t attr = {
.mode = mode,
.gid = _cpu()->thread->proc->cred.gid,
.uid = _cpu()->thread->proc->cred.uid
};
ret.errno = vfs_create(dirnode, pathbuf, &attr, V_TYPE_REGULAR, &vnode);
}
if (ret.errno)
goto cleanup;
if ((flags & O_DIRECTORY) && vnode->type != V_TYPE_DIR) {
ret.errno = ENOTDIR;
goto cleanup;
}
vattr_t attr;
ret.errno = VOP_GETATTR(vnode, &attr, &_cpu()->thread->proc->cred);
if (ret.errno)