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35 RCSID("$Id: acl.c 20472 2007-04-20 10:43:25Z lha $");
38 kcm_access(krb5_context context,
48 KCM_ASSERT_VALID(ccache);
51 case KCM_OP_INITIALIZE:
54 case KCM_OP_REMOVE_CRED:
55 case KCM_OP_SET_FLAGS:
58 case KCM_OP_GET_INITIAL_TICKET:
59 case KCM_OP_GET_TICKET:
68 case KCM_OP_GET_PRINCIPAL:
69 case KCM_OP_GET_FIRST:
78 if (ccache->flags & KCM_FLAGS_OWNER_IS_SYSTEM) {
79 /* System caches cannot be reinitialized or destroyed by users */
80 if (opcode == KCM_OP_INITIALIZE ||
81 opcode == KCM_OP_DESTROY ||
82 opcode == KCM_OP_REMOVE_CRED) {
87 /* Let root always read system caches */
88 if (client->uid == 0) {
96 /* Root may do whatever they like */
97 if (client->uid == ccache->uid || CLIENT_IS_ROOT(client)) {
102 } else if (client->gid == ccache->gid || CLIENT_IS_ROOT(client)) {
114 ret = ((ccache->mode & mask) == mask) ? 0 : KRB5_FCC_PERM;
118 kcm_log(2, "Process %d is not permitted to call %s on cache %s",
119 client->pid, kcm_op2string(opcode), ccache->name);
126 kcm_chmod(krb5_context context,
131 KCM_ASSERT_VALID(ccache);
133 /* System cache mode can only be set at startup */
134 if (ccache->flags & KCM_FLAGS_OWNER_IS_SYSTEM)
135 return KRB5_FCC_PERM;
137 if (ccache->uid != client->uid)
138 return KRB5_FCC_PERM;
140 if (ccache->gid != client->gid)
141 return KRB5_FCC_PERM;
143 HEIMDAL_MUTEX_lock(&ccache->mutex);
147 HEIMDAL_MUTEX_unlock(&ccache->mutex);
153 kcm_chown(krb5_context context,
159 KCM_ASSERT_VALID(ccache);
161 /* System cache owner can only be set at startup */
162 if (ccache->flags & KCM_FLAGS_OWNER_IS_SYSTEM)
163 return KRB5_FCC_PERM;
165 if (ccache->uid != client->uid)
166 return KRB5_FCC_PERM;
168 if (ccache->gid != client->gid)
169 return KRB5_FCC_PERM;
171 HEIMDAL_MUTEX_lock(&ccache->mutex);
176 HEIMDAL_MUTEX_unlock(&ccache->mutex);