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unbound/unbound-1.4.18-includeglob.patch

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* Wed Sep 26 2012 Paul Wouters <pwouters@redhat.com> - 1.4.18-4 - Patch to allow wildcards in include: statements - Add directories /etc/unbound/keys.d,conf.d,local.d with example entries
2012-09-26 16:38:51 +00:00
diff -Naur unbound-1.4.18-orig/util/config_file.c unbound-1.4.18/util/config_file.c
--- unbound-1.4.18-orig/util/config_file.c 2012-06-18 10:22:29.000000000 -0400
+++ unbound-1.4.18/util/config_file.c 2012-09-26 00:45:37.509190970 -0400
@@ -53,6 +53,10 @@
#include "util/regional.h"
#include "util/fptr_wlist.h"
#include "util/data/dname.h"
+#ifdef HAVE_GLOB_H
+# include <glob.h>
+#endif
+
/** global config during parsing */
struct config_parser_state* cfg_parser = 0;
/** lex in file */
@@ -689,6 +693,65 @@
char *fname = (char*)filename;
if(!fname)
return 1;
+
+ /* check for wildcards */
+#ifdef HAVE_GLOB
+ glob_t g;
+ size_t i;
+ int r, flags;
+ if(!(!strchr(fname, '*') && !strchr(fname, '?') && !strchr(fname, '[') &&
+ !strchr(fname, '{') && !strchr(fname, '~'))) {
+ verbose(VERB_QUERY, "wildcard found, processing %s", fname);
+ flags = 0
+#ifdef GLOB_ERR
+ | GLOB_ERR
+#endif
+#ifdef GLOB_NOSORT
+ | GLOB_NOSORT
+#endif
+#ifdef GLOB_BRACE
+ | GLOB_BRACE
+#endif
+#ifdef GLOB_TILDE
+ | GLOB_TILDE
+#endif
+ ;
+ memset(&g, 0, sizeof(g));
+ r = glob(fname, flags, NULL, &g);
+ if(r) {
+ /* some error */
+ if(r == GLOB_NOMATCH) {
+ verbose(VERB_QUERY, "include: "
+ "no matches for %s", fname);
+ return 1;
+ } else if(r == GLOB_NOSPACE) {
+ log_err("include: %s: "
+ "fnametern out of memory", fname);
+ } else if(r == GLOB_ABORTED) {
+ log_err("wildcard include: %s: expansion "
+ "aborted (%s)", fname, strerror(errno));
+ } else {
+ log_err("wildcard include: %s: expansion "
+ "failed (%s)", fname, strerror(errno));
+ }
+ /* ignore globs that yield no files */
+ return 1;
+ }
+ /* process files found, if any */
+ for(i=0; i<(size_t)g.gl_pathc; i++) {
+ if(!config_read(cfg, g.gl_pathv[i], chroot)) {
+ log_err("error reading wildcard "
+ "include: %s", g.gl_pathv[i]);
+ globfree(&g);
+ return 0;
+ }
+ }
+ globfree(&g);
+ return 1;
+ }
+#endif
+
+
in = fopen(fname, "r");
if(!in) {
log_err("Could not open %s: %s", fname, strerror(errno));
diff -Naur unbound-1.4.18-orig/util/configlexer.c unbound-1.4.18/util/configlexer.c
--- unbound-1.4.18-orig/util/configlexer.c 2012-08-02 03:26:14.000000000 -0400
+++ unbound-1.4.18/util/configlexer.c 2012-09-26 00:47:40.856511450 -0400
@@ -22,6 +22,10 @@
#include <string.h>
#include <errno.h>
#include <stdlib.h>
+#ifdef HAVE_GLOB_H
+# include <glob.h>
+#endif
+
/* end standard C headers. */
@@ -1827,7 +1831,7 @@
}
input = fopen(filename, "r");
if(!input) {
- ub_c_error_msg("cannot open include file '%s': %s",
+ ub_c_error_msg("(c)cannot open include file '%s': %s",
filename, strerror(errno));
return;
}
@@ -1841,6 +1845,46 @@
++config_include_stack_ptr;
}
+static void config_start_include_glob(const char* filename)
+{
+#ifdef HAVE_GLOB
+ glob_t g;
+ size_t i;
+ int r, flags;
+ if(!(!strchr(filename, '*') && !strchr(filename, '?') && !strchr(filename, '[') &&
+ !strchr(filename, '{') && !strchr(filename, '~'))) {
+ /* verbose(VERB_QUERY, "wildcard found, processing %s", filename); */
+ flags = 0
+#ifdef GLOB_ERR
+ | GLOB_ERR
+#endif
+#ifdef GLOB_NOSORT
+ | GLOB_NOSORT
+#endif
+#ifdef GLOB_BRACE
+ | GLOB_BRACE
+#endif
+#ifdef GLOB_TILDE
+ | GLOB_TILDE
+#endif
+ ;
+ memset(&g, 0, sizeof(g));
+ r = glob(filename, flags, NULL, &g);
+ if(r) {
+ /* some error */
+ return;
+ }
+ /* process files found, if any */
+ for(i=0; i<(size_t)g.gl_pathc; i++) {
+ config_start_include(g.gl_pathv[i]);
+ }
+ globfree(&g);
+ return;
+ }
+#endif
+ config_start_include(filename);
+}
+
static void config_end_include(void)
{
--config_include_stack_ptr;
@@ -2875,7 +2919,7 @@
#line 300 "util/configlexer.lex"
{
LEXOUT(("Iunquotedstr(%s) ", yytext));
- config_start_include(yytext);
+ config_start_include_glob(yytext);
BEGIN(inc_prev);
}
YY_BREAK
@@ -2904,7 +2948,7 @@
{
LEXOUT(("IQE "));
yytext[yyleng - 1] = '\0';
- config_start_include(yytext);
+ config_start_include_glob(yytext);
BEGIN(inc_prev);
}
YY_BREAK
diff -Naur unbound-1.4.18-orig/util/configlexer.lex unbound-1.4.18/util/configlexer.lex
--- unbound-1.4.18-orig/util/configlexer.lex 2012-04-10 05:16:39.000000000 -0400
+++ unbound-1.4.18/util/configlexer.lex 2012-09-26 00:46:59.135064805 -0400
@@ -11,6 +11,9 @@
#include <ctype.h>
#include <string.h>
#include <strings.h>
+#ifdef HAVE_GLOB_H
+# include <glob.h>
+#endif
#include "util/config_file.h"
#include "util/configparser.h"
@@ -43,6 +46,7 @@
static int inc_prev = 0;
static int num_args = 0;
+
static void config_start_include(const char* filename)
{
FILE *input;
@@ -60,7 +64,7 @@
}
input = fopen(filename, "r");
if(!input) {
- ub_c_error_msg("cannot open include file '%s': %s",
+ ub_c_error_msg("(lex)cannot open include file '%s': %s",
filename, strerror(errno));
return;
}
@@ -74,6 +78,48 @@
++config_include_stack_ptr;
}
+static void config_start_include_glob(const char* filename)
+{
+
+ /* check for wildcards */
+#ifdef HAVE_GLOB
+ glob_t g;
+ size_t i;
+ int r, flags;
+ if(!(!strchr(filename, '*') && !strchr(filename, '?') && !strchr(filename, '[') &&
+ !strchr(filename, '{') && !strchr(filename, '~'))) {
+ /* verbose(VERB_QUERY, "wildcard found, processing %s", filename); */
+ flags = 0
+#ifdef GLOB_ERR
+ | GLOB_ERR
+#endif
+#ifdef GLOB_NOSORT
+ | GLOB_NOSORT
+#endif
+#ifdef GLOB_BRACE
+ | GLOB_BRACE
+#endif
+#ifdef GLOB_TILDE
+ | GLOB_TILDE
+#endif
+ ;
+ memset(&g, 0, sizeof(g));
+ r = glob(filename, flags, NULL, &g);
+ if(r) {
+ /* some error */
+ return config_start_include(filename); /* let original deal with it */
+ }
+ /* process files found, if any */
+ for(i=0; i<(size_t)g.gl_pathc; i++) {
+ config_start_include(g.gl_pathv[i]);
+ }
+ globfree(&g);
+ return 1;
+ }
+#endif
+
+ config_start_include(filename);
+}
static void config_end_include(void)
{
--config_include_stack_ptr;
@@ -299,7 +345,7 @@
<include>\" { LEXOUT(("IQS ")); BEGIN(include_quoted); }
<include>{UNQUOTEDLETTER}* {
LEXOUT(("Iunquotedstr(%s) ", yytext));
- config_start_include(yytext);
+ config_start_include_glob(yytext);
BEGIN(inc_prev);
}
<include_quoted><<EOF>> {
@@ -312,7 +358,7 @@
<include_quoted>\" {
LEXOUT(("IQE "));
yytext[yyleng - 1] = '\0';
- config_start_include(yytext);
+ config_start_include_glob(yytext);
BEGIN(inc_prev);
}
<INITIAL,val><<EOF>> {
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