Changes with Apache 2.4.8
+ *) mod_authnz_dbm: Support the expression parser within the require
+ directives. [Graham Leggett]
+
*) mod_authnz_dbd: Support the expression parser within the require
directives. [Graham Leggett]
<seealso><a href="mod/mod_authnz_ldap.html#reqattribute">Require ldap-attribute</a></seealso>
<seealso><a href="mod/mod_authnz_ldap.html#reqfilter">Require ldap-filter</a></seealso>
<seealso><a href="mod/mod_authz_dbd.html#reqgroup">Require dbd-group</a></seealso>
+<seealso><a href="mod/mod_authz_dbm.html#reqgroup">Require dbm-group</a></seealso>
<seealso><directive module="mod_ssl">SSLRequire</directive></seealso>
<seealso><directive module="mod_log_debug">LogMessage</directive></seealso>
<seealso><module>mod_include</module></seealso>
</summary>
<seealso><directive module="mod_authz_core">Require</directive></seealso>
+<section id="requiredirectives"><title>The Require Directives</title>
+
+ <p>Apache's <directive module="mod_authz_core">Require</directive>
+ directives are used during the authorization phase to ensure that
+ a user is allowed to access a resource. mod_authz_dbm extends the
+ authorization types with <code>dbm-group</code>.</p>
+
+ <p>Since v2.5.0, <a href="../expr.html">expressions</a> are supported
+ within the DBM require directives.</p>
+
+<section id="reqgroup"><title>Require dbm-group</title>
+
+ <p>This directive specifies group membership that is required for the
+ user to gain access.</p>
+
+ <highlight language="config">
+ Require dbm-group admin
+ </highlight>
+
+</section>
+
+<section id="reqfilegroup"><title>Require dbm-file-group</title>
+
+ <p>When this directive is specified, the user must be a member of the group
+ assigned to the file being accessed.</p>
+
+ <highlight language="config">
+ Require dbm-file-group
+ </highlight>
+
+</section>
+
+</section>
+
<section id="examples">
<title>Example usage</title>
<p><em>Note that using mod_authz_dbm requires you to require <code>dbm-group</code>
authz_dbm_config_rec *conf = ap_get_module_config(r->per_dir_config,
&authz_dbm_module);
char *user = r->user;
+
+ const char *err = NULL;
+ const ap_expr_info_t *expr = parsed_require_args;
+ const char *require;
+
const char *t;
char *w;
const char *orig_groups = NULL;
orig_groups = groups;
}
- t = require_args;
+ require = ap_expr_str_exec(r, expr, &err);
+ if (err) {
+ ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r, APLOGNO(02591)
+ "authz_dbm authorize: require dbm-group: Can't "
+ "evaluate require expression: %s", err);
+ return AUTHZ_DENIED;
+ }
+
+ t = require;
while ((w = ap_getword_white(r->pool, &t)) && w[0]) {
groups = orig_groups;
while (groups[0]) {
return AUTHZ_DENIED;
}
+static const char *dbm_parse_config(cmd_parms *cmd, const char *require_line,
+ const void **parsed_require_line)
+{
+ const char *expr_err = NULL;
+ ap_expr_info_t *expr = apr_pcalloc(cmd->pool, sizeof(*expr));
+
+ expr = ap_expr_parse_cmd(cmd, require_line, AP_EXPR_FLAG_STRING_RESULT,
+ &expr_err, NULL);
+
+ if (expr_err)
+ return apr_pstrcat(cmd->temp_pool,
+ "Cannot parse expression in require line: ",
+ expr_err, NULL);
+
+ *parsed_require_line = expr;
+
+ return NULL;
+}
+
static const authz_provider authz_dbmgroup_provider =
{
&dbmgroup_check_authorization,
- NULL,
+ &dbm_parse_config,
};
static const authz_provider authz_dbmfilegroup_provider =