]> git.sur5r.net Git - openldap/blobdiff - servers/slapd/acl.c
remove dbenv->lock_put() call from transaction-protected operations
[openldap] / servers / slapd / acl.c
index 41d0774e622184b0b4d5da65d45b4701f1afc74a..3b73c8d9d9a37b6b430e8172968d6063a8c46178 100644 (file)
 #include "sets.h"
 #include "lber_pvt.h"
 
+#define ACL_BUF_SIZE   1024    /* use most appropriate size */
+
 
 /*
  * speed up compares
  */
 static struct berval 
-       aci_bv_entry            = { sizeof("entry") - 1,        "entry" },
-       aci_bv_br_entry         = { sizeof("[entry]") - 1,      "[entry]" },
-       aci_bv_br_all           = { sizeof("[all]") - 1,        "[all]" },
-       aci_bv_access_id        = { sizeof("access-id") - 1,    "access-id" },
-       aci_bv_anonymous        = { sizeof("anonymous") - 1,    "anonymous" },
-       aci_bv_users            = { sizeof("users") - 1,        "users" },
-       aci_bv_self             = { sizeof("self") - 1,         "self" },
-       aci_bv_dnattr           = { sizeof("dnattr") - 1,       "dnattr" },
-       aci_bv_group            = { sizeof("group") - 1,        "group" },
-       aci_bv_role             = { sizeof("role") - 1,         "role" },
-       aci_bv_set              = { sizeof("set") - 1,          "set" },
-       aci_bv_set_ref          = { sizeof("set-ref") - 1,      "set-ref"},
-       aci_bv_grant            = { sizeof("grant") - 1,        "grant" },
-       aci_bv_deny             = { sizeof("deny") - 1,         "deny" };
+       aci_bv_entry            = BER_BVC("entry"),
+       aci_bv_br_entry         = BER_BVC("[entry]"),
+       aci_bv_br_all           = BER_BVC("[all]"),
+       aci_bv_access_id        = BER_BVC("access-id"),
+       aci_bv_anonymous        = BER_BVC("anonymous"),
+       aci_bv_users            = BER_BVC("users"),
+       aci_bv_self             = BER_BVC("self"),
+       aci_bv_dnattr           = BER_BVC("dnattr"),
+       aci_bv_group            = BER_BVC("group"),
+       aci_bv_role             = BER_BVC("role"),
+       aci_bv_set              = BER_BVC("set"),
+       aci_bv_set_ref          = BER_BVC("set-ref"),
+       aci_bv_grant            = BER_BVC("grant"),
+       aci_bv_deny             = BER_BVC("deny");
 
 static AccessControl * acl_get(
        AccessControl *ac, int *count,
@@ -623,7 +625,7 @@ acl_mask(
                                }
 
                        } else if ( b->a_dn_style == ACL_STYLE_REGEX ) {
-                               if ( ber_bvccmp( &b->a_dn_pat, '*' ) == 0 ) {
+                               if ( !ber_bvccmp( &b->a_dn_pat, '*' ) ) {
                                        int ret = regex_matches( &b->a_dn_pat,
                                                op->o_ndn.bv_val, e->e_ndn, matches );
 
@@ -633,45 +635,83 @@ acl_mask(
                                }
 
                        } else {
+                               struct berval pat;
+                               int got_match = 0;
+
                                if ( e->e_dn == NULL )
                                        continue;
 
-                               patlen = b->a_dn_pat.bv_len;
+                               if ( b->a_dn_expand ) {
+                                       struct berval bv;
+                                       char buf[ACL_BUF_SIZE];
+
+                                       bv.bv_len = sizeof( buf ) - 1;
+                                       bv.bv_val = buf;
+
+                                       string_expand(&bv, &b->a_dn_pat, 
+                                                       e->e_ndn, matches);
+                                       if ( dnNormalize2(NULL, &bv, &pat) != LDAP_SUCCESS ) {
+                                               /* did not expand to a valid dn */
+                                               continue;
+                                       }
+                               } else {
+                                       pat = b->a_dn_pat;
+                               }
+
+                               patlen = pat.bv_len;
                                odnlen = op->o_ndn.bv_len;
-                               if ( odnlen < patlen )
-                                       continue;
+                               if ( odnlen < patlen ) {
+                                       goto dn_match_cleanup;
+
+                               }
 
                                if ( b->a_dn_style == ACL_STYLE_BASE ) {
                                        /* base dn -- entire object DN must match */
-                                       if ( odnlen != patlen )
-                                               continue;
+                                       if ( odnlen != patlen ) {
+                                               goto dn_match_cleanup;
+                                       }
 
                                } else if ( b->a_dn_style == ACL_STYLE_ONE ) {
                                        int rdnlen = -1;
 
-                                       if ( odnlen <= patlen )
-                                               continue;
+                                       if ( odnlen <= patlen ) {
+                                               goto dn_match_cleanup;
+                                       }
 
-                                       if ( !DN_SEPARATOR( op->o_ndn.bv_val[odnlen - patlen - 1] ) )
-                                               continue;
+                                       if ( !DN_SEPARATOR( op->o_ndn.bv_val[odnlen - patlen - 1] ) ) {
+                                               goto dn_match_cleanup;
+                                       }
 
                                        rdnlen = dn_rdnlen( NULL, &op->o_ndn );
-                                       if ( rdnlen != odnlen - patlen - 1 )
-                                               continue;
+                                       if ( rdnlen != odnlen - patlen - 1 ) {
+                                               goto dn_match_cleanup;
+                                       }
 
                                } else if ( b->a_dn_style == ACL_STYLE_SUBTREE ) {
-                                       if ( odnlen > patlen && !DN_SEPARATOR( op->o_ndn.bv_val[odnlen - patlen - 1] ) )
-                                               continue;
+                                       if ( odnlen > patlen && !DN_SEPARATOR( op->o_ndn.bv_val[odnlen - patlen - 1] ) ) {
+                                               goto dn_match_cleanup;
+                                       }
 
                                } else if ( b->a_dn_style == ACL_STYLE_CHILDREN ) {
-                                       if ( odnlen <= patlen )
-                                               continue;
-                                       if ( !DN_SEPARATOR( op->o_ndn.bv_val[odnlen - patlen - 1] ) )
-                                               continue;
+                                       if ( odnlen <= patlen ) {
+                                               goto dn_match_cleanup;
+                                       }
+
+                                       if ( !DN_SEPARATOR( op->o_ndn.bv_val[odnlen - patlen - 1] ) ) {
+                                               goto dn_match_cleanup;
+                                       }
+                               }
+
+                               got_match = !strcmp( pat.bv_val, op->o_ndn.bv_val + odnlen - patlen );
+
+dn_match_cleanup:;
+                               if ( pat.bv_val != b->a_dn_pat.bv_val ) {
+                                       free( pat.bv_val );
                                }
 
-                               if ( strcmp( b->a_dn_pat.bv_val, op->o_ndn.bv_val + odnlen - patlen ) != 0 )
+                               if ( !got_match ) {
                                        continue;
+                               }
                        }
                }
 
@@ -685,7 +725,7 @@ acl_mask(
                                b->a_sockurl_pat.bv_val, 0, 0 );
 #endif
 
-                       if ( ber_bvccmp( &b->a_sockurl_pat, '*' ) != 0) {
+                       if ( !ber_bvccmp( &b->a_sockurl_pat, '*' ) ) {
                                if ( b->a_sockurl_style == ACL_STYLE_REGEX) {
                                        if (!regex_matches( &b->a_sockurl_pat, conn->c_listener_url.bv_val,
                                                        e->e_ndn, matches ) ) 
@@ -708,7 +748,7 @@ acl_mask(
                        Debug( LDAP_DEBUG_ACL, "<= check a_domain_pat: %s\n",
                                b->a_domain_pat.bv_val, 0, 0 );
 #endif
-                       if ( ber_bvccmp( &b->a_domain_pat, '*' ) != 0) {
+                       if ( !ber_bvccmp( &b->a_domain_pat, '*' ) ) {
                                if ( b->a_domain_style == ACL_STYLE_REGEX) {
                                        if (!regex_matches( &b->a_domain_pat, conn->c_peer_domain.bv_val,
                                                        e->e_ndn, matches ) ) 
@@ -716,8 +756,39 @@ acl_mask(
                                                continue;
                                        }
                                } else {
-                                       if ( ber_bvstrcasecmp( &b->a_domain_pat, &conn->c_peer_domain ) != 0 )
+                                       char buf[ACL_BUF_SIZE];
+
+                                       struct berval   cmp = conn->c_peer_domain;
+                                       struct berval   pat = b->a_domain_pat;
+
+                                       if ( b->a_domain_expand ) {
+                                               struct berval bv;
+
+                                               bv.bv_len = sizeof(buf);
+                                               bv.bv_val = buf;
+
+                                               string_expand(&bv, &b->a_domain_pat, e->e_ndn, matches);
+                                               pat = bv;
+                                       }
+
+                                       if ( b->a_domain_style == ACL_STYLE_SUBTREE ) {
+                                               int offset = cmp.bv_len - pat.bv_len;
+                                               if ( offset < 0 ) {
+                                                       continue;
+                                               }
+
+                                               if ( offset == 1 || ( offset > 1 && cmp.bv_val[ offset - 1 ] != '.' ) ) {
+                                                       continue;
+                                               }
+
+                                               /* trim the domain */
+                                               cmp.bv_val = &cmp.bv_val[ offset ];
+                                               cmp.bv_len -= offset;
+                                       }
+                                       
+                                       if ( ber_bvstrcasecmp( &pat, &cmp ) != 0 ) {
                                                continue;
+                                       }
                                }
                        }
                }
@@ -731,7 +802,7 @@ acl_mask(
                        Debug( LDAP_DEBUG_ACL, "<= check a_peername_path: %s\n",
                                b->a_peername_pat.bv_val, 0, 0 );
 #endif
-                       if ( ber_bvccmp( &b->a_peername_pat, '*' ) != 0) {
+                       if ( !ber_bvccmp( &b->a_peername_pat, '*' ) ) {
                                if ( b->a_peername_style == ACL_STYLE_REGEX) {
                                        if (!regex_matches( &b->a_peername_pat, conn->c_peer_name.bv_val,
                                                        e->e_ndn, matches ) ) 
@@ -754,7 +825,7 @@ acl_mask(
                        Debug( LDAP_DEBUG_ACL, "<= check a_sockname_path: %s\n",
                                b->a_sockname_pat.bv_val, 0, 0 );
 #endif
-                       if ( ber_bvccmp( &b->a_sockname_pat, '*' ) != 0) {
+                       if ( !ber_bvccmp( &b->a_sockname_pat, '*' ) ) {
                                if ( b->a_sockname_style == ACL_STYLE_REGEX) {
                                        if (!regex_matches( &b->a_sockname_pat, conn->c_sock_name.bv_val,
                                                        e->e_ndn, matches ) ) 
@@ -848,7 +919,7 @@ acl_mask(
                }
 
                if ( b->a_group_pat.bv_len ) {
-                       char buf[1024];
+                       char buf[ACL_BUF_SIZE];
                        struct berval bv;
                        struct berval ndn = { 0, NULL };
                        int rc;
@@ -1575,7 +1646,6 @@ aci_group_member (
        regmatch_t      *matches
 )
 {
-       struct berval bv;
        struct berval subjdn;
        struct berval grpoc;
        struct berval grpat;
@@ -1607,15 +1677,15 @@ aci_group_member (
        grp_oc = oc_bvfind( &grpoc );
 
        if (grp_oc != NULL && grp_ad != NULL ) {
-               struct berval ndn;
-               bv.bv_val = (char *)ch_malloc(1024);
-               bv.bv_len = 1024;
+               char buf[ACL_BUF_SIZE];
+               struct berval bv, ndn;
+               bv.bv_len = sizeof( buf );
+               bv.bv_val = &buf;
                string_expand(&bv, &subjdn, e->e_ndn, matches);
                if ( dnNormalize2(NULL, &bv, &ndn) == LDAP_SUCCESS ) {
                        rc = (backend_group(be, conn, op, e, &ndn, &op->o_ndn, grp_oc, grp_ad) == 0);
                        free( ndn.bv_val );
                }
-               ch_free(bv.bv_val);
        }
 
 done:
@@ -1776,26 +1846,48 @@ string_expand(
        for ( dp = bv->bv_val, sp = pat->bv_val; size < bv->bv_len &&
                sp < pat->bv_val + pat->bv_len ; sp++) {
                /* did we previously see a $ */
-               if (flag) {
-                       if (*sp == '$') {
+               if ( flag ) {
+                       if ( flag == 1 && *sp == '$' ) {
                                *dp++ = '$';
                                size++;
-                       } else if (*sp >= '0' && *sp <= '9' ) {
+                               flag = 0;
+
+                       } else if ( flag == 1 && *sp == '{') {
+                               flag = 2;
+
+                       } else if ( *sp >= '0' && *sp <= '9' ) {
                                int     n;
                                int     i;
                                int     l;
 
                                n = *sp - '0';
+
+                               if ( flag == 2 ) {
+                                       for ( sp++; *sp != '\0' && *sp != /* { */ '}'; sp++ ) {
+                                               if ( *sp >= '0' && *sp <= '9' ) {
+                                                       n = 10*n + ( *sp - '0' );
+                                               }
+                                       }
+
+                                       if ( *sp != /* { */ '}' ) {
+                                               /* error */
+                                       }
+                               }
+
+                               if ( n >= MAXREMATCHES ) {
+                               
+                               }
+                               
                                *dp = '\0';
                                i = matches[n].rm_so;
                                l = matches[n].rm_eo; 
                                for ( ; size < bv->bv_len && i < l; size++, i++ ) {
                                        *dp++ = match[i];
-                                       size++;
                                }
                                *dp = '\0';
+
+                               flag = 0;
                        }
-                       flag = 0;
                } else {
                        if (*sp == '$') {
                                flag = 1;
@@ -1806,7 +1898,7 @@ string_expand(
                }
        }
 
-       if (flag) {
+       if ( flag ) {
                /* must have ended with a single $ */
                *dp++ = '$';
                size++;