^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) #include <linux/ceph/ceph_debug.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) #include <linux/err.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #include <linux/random.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/ceph/decode.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/ceph/auth.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include "auth_none.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) static void reset(struct ceph_auth_client *ac)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) struct ceph_auth_none_info *xi = ac->private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) xi->starting = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) static void destroy(struct ceph_auth_client *ac)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) kfree(ac->private);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) ac->private = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) static int is_authenticated(struct ceph_auth_client *ac)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) struct ceph_auth_none_info *xi = ac->private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) return !xi->starting;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) static int should_authenticate(struct ceph_auth_client *ac)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) struct ceph_auth_none_info *xi = ac->private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) return xi->starting;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) static int ceph_auth_none_build_authorizer(struct ceph_auth_client *ac,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) struct ceph_none_authorizer *au)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) void *p = au->buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) void *const end = p + sizeof(au->buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) ceph_encode_8_safe(&p, end, 1, e_range);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) ret = ceph_auth_entity_name_encode(ac->name, &p, end);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) ceph_encode_64_safe(&p, end, ac->global_id, e_range);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) au->buf_len = p - (void *)au->buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) dout("%s built authorizer len %d\n", __func__, au->buf_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) e_range:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) return -ERANGE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) static int build_request(struct ceph_auth_client *ac, void *buf, void *end)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) * the generic auth code decode the global_id, and we carry no actual
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) * authenticate state, so nothing happens here.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) static int handle_reply(struct ceph_auth_client *ac, int result,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) void *buf, void *end)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) struct ceph_auth_none_info *xi = ac->private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) xi->starting = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) return result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) static void ceph_auth_none_destroy_authorizer(struct ceph_authorizer *a)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) kfree(a);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) * build an 'authorizer' with our entity_name and global_id. it is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) * identical for all services we connect to.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) static int ceph_auth_none_create_authorizer(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) struct ceph_auth_client *ac, int peer_type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) struct ceph_auth_handshake *auth)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) struct ceph_none_authorizer *au;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) au = kmalloc(sizeof(*au), GFP_NOFS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) if (!au)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) au->base.destroy = ceph_auth_none_destroy_authorizer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) ret = ceph_auth_none_build_authorizer(ac, au);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) kfree(au);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) auth->authorizer = (struct ceph_authorizer *) au;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) auth->authorizer_buf = au->buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) auth->authorizer_buf_len = au->buf_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) auth->authorizer_reply_buf = au->reply_buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) auth->authorizer_reply_buf_len = sizeof (au->reply_buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) static const struct ceph_auth_client_ops ceph_auth_none_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) .name = "none",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) .reset = reset,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) .destroy = destroy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) .is_authenticated = is_authenticated,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) .should_authenticate = should_authenticate,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) .build_request = build_request,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) .handle_reply = handle_reply,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) .create_authorizer = ceph_auth_none_create_authorizer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) int ceph_auth_none_init(struct ceph_auth_client *ac)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) struct ceph_auth_none_info *xi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) dout("ceph_auth_none_init %p\n", ac);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) xi = kzalloc(sizeof(*xi), GFP_NOFS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) if (!xi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) xi->starting = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) ac->protocol = CEPH_AUTH_NONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) ac->private = xi;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) ac->ops = &ceph_auth_none_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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