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syscalls: make the *at syscalls use the dirfd_enter and dirfd_leave functions

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Matheus
2023-07-06 19:59:19 -03:00
parent c769735068
commit fd9f9b65fe
6 changed files with 25 additions and 115 deletions
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kernel-src/sys/syscalls/open.c
+4 -25
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@@ -15,31 +15,13 @@ syscallret_t syscall_openat(context_t *context, int dirfd, const char *path, int
++flags;
vnode_t *dirnode = NULL;
file_t *dirfile;
file_t *dirfile = NULL;
size_t pathsize = strlen(path); // TODO u_strlen
char *pathbuf = alloc(pathsize + 1);
strcpy(pathbuf, path); // TODO u_strcpy
if (*pathbuf == '/') {
dirnode = sched_getroot();
dirfile = NULL;
} else if (dirfd == AT_FDCWD) {
dirnode = sched_getcwd();
dirfile = NULL;
} else {
dirfile = fd_get(dirfd);
if (dirfile == NULL) {
ret.errno = EBADF;
goto cleanup;
}
dirnode = dirfile->vnode;
if (dirnode->type != V_TYPE_DIR) {
ret.errno = ENOTDIR;
goto cleanup;
}
}
ret.errno = dirfd_enter(pathbuf, dirfd, &dirfile, &dirnode);
// TODO pass CLOEXEC to fd
file_t *newfile = NULL;
@@ -96,11 +78,8 @@ syscallret_t syscall_openat(context_t *context, int dirfd, const char *path, int
if (pathbuf)
free(pathbuf);
if (dirfile) {
fd_release(dirfile);
} else if (dirnode){
VOP_RELEASE(dirnode);
}
if (dirnode)
dirfd_leave(dirnode, dirfile);
return ret;
}