static int local_mknod(FsContext *fs_ctx, const char *path, FsCred *credp) { int err = -1; int serrno = 0; /* Determine the security model */ if (fs_ctx->fs_sm == SM_MAPPED) { err = mknod(rpath(fs_ctx, path), SM_LOCAL_MODE_BITS|S_IFREG, 0); if (err == -1) { return err; } local_set_xattr(rpath(fs_ctx, path), credp); if (err == -1) { serrno = errno; goto err_end; } } else if ((fs_ctx->fs_sm == SM_PASSTHROUGH) || (fs_ctx->fs_sm == SM_NONE)) { err = mknod(rpath(fs_ctx, path), credp->fc_mode, credp->fc_rdev); if (err == -1) { return err; } err = local_post_create_passthrough(fs_ctx, path, credp); if (err == -1) { serrno = errno; goto err_end; } } return err; err_end: remove(rpath(fs_ctx, path)); errno = serrno; return err; }
static int local_mknod(FsContext *fs_ctx, V9fsPath *dir_path, const char *name, FsCred *credp) { char *path; int err = -1; int serrno = 0; V9fsString fullname; char *buffer = NULL; v9fs_string_init(&fullname); v9fs_string_sprintf(&fullname, "%s/%s", dir_path->data, name); path = fullname.data; /* Determine the security model */ if (fs_ctx->export_flags & V9FS_SM_MAPPED) { buffer = rpath(fs_ctx, path); err = mknod(buffer, SM_LOCAL_MODE_BITS|S_IFREG, 0); if (err == -1) { goto out; } err = local_set_xattr(buffer, credp); if (err == -1) { serrno = errno; goto err_end; } } else if (fs_ctx->export_flags & V9FS_SM_MAPPED_FILE) { buffer = rpath(fs_ctx, path); err = mknod(buffer, SM_LOCAL_MODE_BITS|S_IFREG, 0); if (err == -1) { goto out; } err = local_set_mapped_file_attr(fs_ctx, path, credp); if (err == -1) { serrno = errno; goto err_end; } } else if ((fs_ctx->export_flags & V9FS_SM_PASSTHROUGH) || (fs_ctx->export_flags & V9FS_SM_NONE)) { buffer = rpath(fs_ctx, path); err = mknod(buffer, credp->fc_mode, credp->fc_rdev); if (err == -1) { goto out; } err = local_post_create_passthrough(fs_ctx, path, credp); if (err == -1) { serrno = errno; goto err_end; } } goto out; err_end: remove(buffer); errno = serrno; out: g_free(buffer); v9fs_string_free(&fullname); return err; }
static int local_open2(FsContext *fs_ctx, V9fsPath *dir_path, const char *name, int flags, FsCred *credp, V9fsFidOpenState *fs) { char *path; int fd = -1; int err = -1; int serrno = 0; V9fsString fullname; char buffer[PATH_MAX]; v9fs_string_init(&fullname); v9fs_string_sprintf(&fullname, "%s/%s", dir_path->data, name); path = fullname.data; /* Determine the security model */ if (fs_ctx->export_flags & V9FS_SM_MAPPED) { fd = open(rpath(fs_ctx, path, buffer), flags, SM_LOCAL_MODE_BITS); if (fd == -1) { err = fd; goto out; } credp->fc_mode = credp->fc_mode|S_IFREG; /* Set cleint credentials in xattr */ err = local_set_xattr(rpath(fs_ctx, path, buffer), credp); if (err == -1) { serrno = errno; goto err_end; } } else if ((fs_ctx->export_flags & V9FS_SM_PASSTHROUGH) || (fs_ctx->export_flags & V9FS_SM_NONE)) { fd = open(rpath(fs_ctx, path, buffer), flags, credp->fc_mode); if (fd == -1) { err = fd; goto out; } err = local_post_create_passthrough(fs_ctx, path, credp); if (err == -1) { serrno = errno; goto err_end; } } err = fd; fs->fd = fd; goto out; err_end: close(fd); remove(rpath(fs_ctx, path, buffer)); errno = serrno; out: v9fs_string_free(&fullname); return err; }
static int local_mkdir(FsContext *fs_ctx, V9fsPath *dir_path, const char *name, FsCred *credp) { char *path; int err = -1; int serrno = 0; V9fsString fullname; char buffer[PATH_MAX]; v9fs_string_init(&fullname); v9fs_string_sprintf(&fullname, "%s/%s", dir_path->data, name); path = fullname.data; /* Determine the security model */ if (fs_ctx->export_flags & V9FS_SM_MAPPED) { err = mkdir(rpath(fs_ctx, path, buffer), SM_LOCAL_DIR_MODE_BITS); if (err == -1) { goto out; } credp->fc_mode = credp->fc_mode|S_IFDIR; err = local_set_xattr(rpath(fs_ctx, path, buffer), credp); if (err == -1) { serrno = errno; goto err_end; } } else if ((fs_ctx->export_flags & V9FS_SM_PASSTHROUGH) || (fs_ctx->export_flags & V9FS_SM_NONE)) { err = mkdir(rpath(fs_ctx, path, buffer), credp->fc_mode); if (err == -1) { goto out; } err = local_post_create_passthrough(fs_ctx, path, credp); if (err == -1) { serrno = errno; goto err_end; } } goto out; err_end: remove(rpath(fs_ctx, path, buffer)); errno = serrno; out: v9fs_string_free(&fullname); return err; }
static int local_open2(FsContext *fs_ctx, const char *path, int flags, FsCred *credp) { int fd = -1; int err = -1; int serrno = 0; /* Determine the security model */ if (fs_ctx->fs_sm == SM_MAPPED) { fd = open(rpath(fs_ctx, path), flags, SM_LOCAL_MODE_BITS); if (fd == -1) { return fd; } credp->fc_mode = credp->fc_mode|S_IFREG; /* Set cleint credentials in xattr */ err = local_set_xattr(rpath(fs_ctx, path), credp); if (err == -1) { serrno = errno; goto err_end; } } else if ((fs_ctx->fs_sm == SM_PASSTHROUGH) || (fs_ctx->fs_sm == SM_NONE)) { fd = open(rpath(fs_ctx, path), flags, credp->fc_mode); if (fd == -1) { return fd; } err = local_post_create_passthrough(fs_ctx, path, credp); if (err == -1) { serrno = errno; goto err_end; } } return fd; err_end: close(fd); remove(rpath(fs_ctx, path)); errno = serrno; return err; }
static int local_open2(FsContext *fs_ctx, V9fsPath *dir_path, const char *name, int flags, FsCred *credp, V9fsFidOpenState *fs) { char *path; int fd = -1; int err = -1; int serrno = 0; V9fsString fullname; char *buffer; /* * Mark all the open to not follow symlinks */ flags |= O_NOFOLLOW; v9fs_string_init(&fullname); v9fs_string_sprintf(&fullname, "%s/%s", dir_path->data, name); path = fullname.data; /* Determine the security model */ if (fs_ctx->export_flags & V9FS_SM_MAPPED) { buffer = rpath(fs_ctx, path); fd = open(buffer, flags, SM_LOCAL_MODE_BITS); if (fd == -1) { g_free(buffer); err = fd; goto out; } credp->fc_mode = credp->fc_mode|S_IFREG; /* Set cleint credentials in xattr */ err = local_set_xattr(buffer, credp); if (err == -1) { serrno = errno; goto err_end; } } else if (fs_ctx->export_flags & V9FS_SM_MAPPED_FILE) { buffer = rpath(fs_ctx, path); fd = open(buffer, flags, SM_LOCAL_MODE_BITS); if (fd == -1) { g_free(buffer); err = fd; goto out; } credp->fc_mode = credp->fc_mode|S_IFREG; /* Set client credentials in .virtfs_metadata directory files */ err = local_set_mapped_file_attr(fs_ctx, path, credp); if (err == -1) { serrno = errno; goto err_end; } } else if ((fs_ctx->export_flags & V9FS_SM_PASSTHROUGH) || (fs_ctx->export_flags & V9FS_SM_NONE)) { buffer = rpath(fs_ctx, path); fd = open(buffer, flags, credp->fc_mode); if (fd == -1) { g_free(buffer); err = fd; goto out; } err = local_post_create_passthrough(fs_ctx, path, credp); if (err == -1) { serrno = errno; goto err_end; } } err = fd; fs->fd = fd; goto out; err_end: close(fd); remove(buffer); errno = serrno; g_free(buffer); out: v9fs_string_free(&fullname); return err; }