1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
#include <string.h>
#include <vector>
#include "rgw_common.h"
#include "rgw_user.h"
#include "rgw_acl_swift.h"
#define dout_subsys ceph_subsys_rgw
using namespace std;
#define SWIFT_PERM_READ RGW_PERM_READ_OBJS
#define SWIFT_PERM_WRITE RGW_PERM_WRITE_OBJS
#define SWIFT_GROUP_ALL_USERS ".r:*"
static int parse_list(string& uid_list, vector<string>& uids)
{
char *s = strdup(uid_list.c_str());
if (!s)
return -ENOMEM;
const char *p = strtok(s, " ,");
while (p) {
if (*p) {
string acl = p;
uids.push_back(acl);
}
p = strtok(NULL, " ,");
}
free(s);
return 0;
}
static bool uid_is_public(string& uid)
{
if (uid[0] != '.' || uid[1] != 'r')
return false;
int pos = uid.find(':');
if (pos < 0 || pos == (int)uid.size())
return false;
string sub = uid.substr(0, pos);
string after = uid.substr(pos + 1);
if (after.compare("*") != 0)
return false;
return sub.compare(".r") == 0 ||
sub.compare(".referer") == 0 ||
sub.compare(".referrer") == 0;
}
void RGWAccessControlPolicy_SWIFT::add_grants(RGWRados *store, vector<string>& uids, int perm)
{
vector<string>::iterator iter;
for (iter = uids.begin(); iter != uids.end(); ++iter ) {
ACLGrant grant;
RGWUserInfo grant_user;
string& uid = *iter;
if (uid_is_public(uid)) {
grant.set_group(ACL_GROUP_ALL_USERS, perm);
acl.add_grant(&grant);
} else if (rgw_get_user_info_by_uid(store, uid, grant_user) < 0) {
ldout(cct, 10) << "grant user does not exist:" << uid << dendl;
/* skipping silently */
} else {
grant.set_canon(uid, grant_user.display_name, perm);
acl.add_grant(&grant);
}
}
}
bool RGWAccessControlPolicy_SWIFT::create(RGWRados *store, string& id, string& name, string& read_list, string& write_list)
{
acl.create_default(id, name);
owner.set_id(id);
owner.set_name(name);
if (read_list.size()) {
vector<string> uids;
int r = parse_list(read_list, uids);
if (r < 0) {
ldout(cct, 0) << "ERROR: parse_list returned r=" << r << dendl;
return false;
}
add_grants(store, uids, SWIFT_PERM_READ);
}
if (write_list.size()) {
vector<string> uids;
int r = parse_list(write_list, uids);
if (r < 0) {
ldout(cct, 0) << "ERROR: parse_list returned r=" << r << dendl;
return false;
}
add_grants(store, uids, SWIFT_PERM_WRITE);
}
return true;
}
void RGWAccessControlPolicy_SWIFT::to_str(string& read, string& write)
{
multimap<string, ACLGrant>& m = acl.get_grant_map();
multimap<string, ACLGrant>::iterator iter;
for (iter = m.begin(); iter != m.end(); ++iter) {
ACLGrant& grant = iter->second;
int perm = grant.get_permission().get_permissions();
string id;
if (!grant.get_id(id)) {
if (grant.get_group() != ACL_GROUP_ALL_USERS)
continue;
id = SWIFT_GROUP_ALL_USERS;
}
if (perm & SWIFT_PERM_READ) {
if (!read.empty())
read.append(", ");
read.append(id);
} else if (perm & SWIFT_PERM_WRITE) {
if (!write.empty())
write.append(", ");
write.append(id);
}
}
}
|
