Add new regression test

checks/ChangeLog

@@ -1,3 +1,7 @@
+2006-04-11  Werner Koch  <wk@g10code.com>
+
+	* armor.test: New.
+
 2006-03-09  Werner Koch  <wk@g10code.com>
 
 	* defs.inc: Removed Basishm by proper redirection.

checks/Makefile.am

@@ -30,7 +30,7 @@ TESTS = version.test mds.test \
 	armsignencrypt.test armdetach.test \
 	armdetachm.test detachm.test genkey1024.test \
 	conventional.test conventional-mdc.test \
-	multisig.test verify.test
+	multisig.test verify.test armor.test
 
 
 TEST_FILES = pubring.asc secring.asc plain-1o.asc plain-2o.asc plain-3o.asc \

checks/armor.test

@@ -0,0 +1,181 @@
+#!/bin/sh
+# Regression tests pertaining to the armoring.
+
+. $srcdir/defs.inc || exit 3
+
+armored_key_8192='-----BEGIN PGP PUBLIC KEY BLOCK-----
+Version: SKS 1.0.9
+
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+dciiWYiHtGq2kyx+eoltwooP7EgJ9m35wn0FGV+5hpKbhSwz2Up9oYsSbexjx/hlopUYGCL4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+=oXxa
+-----END PGP PUBLIC KEY BLOCK-----
+'
+
+# Bug solved 2005-04-07:
+# Try importing the attached key file.  As the key is exactly 8192
+# bytes long, radix64_read is called twice - the first time to read
+# the 8192 bytes, and then once again, to handle the pad '=' on the
+# last four character radix64 block '0uI='.  gpg bails out with
+#  gpg: [don't know]: invalid packet (ctb=2d)
+# On a read for only the = sign, radix64_read returns -1 for EOF.
+# This causes the iobuf code to pop the armor filter and thus the next
+# byte read is the '-' from the END header line, causing an error.
+i=armored_key_8192
+info "checking: $i"
+eval "(IFS=; echo \"\$$i\")" >x
+$GPG --import x || error "the $i bug is back in town"
+
+
+
+

util/ChangeLog

@@ -1,3 +1,7 @@
+2006-04-11  Werner Koch  <wk@g10code.com>
+
+	* iobuf.c (IOBUF_BUFFER_SIZE): New to repalce hardwired 8192.
+
 2006-04-06  David Shaw  <dshaw@jabberwocky.com>
 
 	* memory.c (realloc): Fix compile problem with --enable-m-guard.

util/iobuf.c

@@ -44,6 +44,12 @@
 #include "dynload.h"
 #include "iobuf.h"
 
+/* The size of the internal buffers. 
+   NOTE: If you change this value you MUST also adjust the regression
+   test "armored_key_8192" in armor.test! */
+#define IOBUF_BUFFER_SIZE  8192
+
+
 #undef FILE_FILTER_USES_STDIO
 
 #ifdef HAVE_DOSISH_SYSTEM
@@ -983,7 +989,7 @@ iobuf_temp()
 {
     IOBUF a;
 
-    a = iobuf_alloc(3, 8192 );
+    a = iobuf_alloc(3, IOBUF_BUFFER_SIZE );
 
     return a;
 }
@@ -1063,7 +1069,7 @@ iobuf_open( const char *fname )
         return iobuf_fdopen ( translate_file_handle (fd,0), "rb" );
     else if( (fp = my_fopen_ro(fname, "rb")) == INVALID_FP )
 	return NULL;
-    a = iobuf_alloc(1, 8192 );
+    a = iobuf_alloc(1, IOBUF_BUFFER_SIZE );
     fcx = xmalloc( sizeof *fcx + strlen(fname) );
     fcx->fp = fp;
     fcx->print_only_name = print_only;
@@ -1099,7 +1105,7 @@ iobuf_fdopen( int fd, const char *mode )
 #else
     fp = (FILEP_OR_FD)fd;
 #endif
-    a = iobuf_alloc( strchr( mode, 'w')? 2:1, 8192 );
+    a = iobuf_alloc( strchr( mode, 'w')? 2:1, IOBUF_BUFFER_SIZE );
     fcx = xmalloc( sizeof *fcx + 20 );
     fcx->fp = fp;
     fcx->print_only_name = 1;
@@ -1123,7 +1129,7 @@ iobuf_sockopen ( int fd, const char *mode )
     sock_filter_ctx_t *scx;
     size_t len;
 
-    a = iobuf_alloc( strchr( mode, 'w')? 2:1, 8192 );
+    a = iobuf_alloc( strchr( mode, 'w')? 2:1, IOBUF_BUFFER_SIZE );
     scx = xmalloc( sizeof *scx + 25 );
     scx->sock = fd;
     scx->print_only_name = 1;
@@ -1166,7 +1172,7 @@ iobuf_create( const char *fname )
         return iobuf_fdopen ( translate_file_handle (fd, 1), "wb" );
     else if( (fp = my_fopen(fname, "wb")) == INVALID_FP )
 	return NULL;
-    a = iobuf_alloc(2, 8192 );
+    a = iobuf_alloc(2, IOBUF_BUFFER_SIZE );
     fcx = xmalloc( sizeof *fcx + strlen(fname) );
     fcx->fp = fp;
     fcx->print_only_name = print_only;
@@ -1201,7 +1207,7 @@ iobuf_append( const char *fname )
 	return NULL;
     else if( !(fp = my_fopen(fname, "ab")) )
 	return NULL;
-    a = iobuf_alloc(2, 8192 );
+    a = iobuf_alloc(2, IOBUF_BUFFER_SIZE );
     fcx = xmalloc( sizeof *fcx + strlen(fname) );
     fcx->fp = fp;
     strcpy(fcx->fname, fname );
@@ -1229,7 +1235,7 @@ iobuf_openrw( const char *fname )
 	return NULL;
     else if( (fp = my_fopen(fname, "r+b")) == INVALID_FP )
 	return NULL;
-    a = iobuf_alloc(2, 8192 );
+    a = iobuf_alloc(2, IOBUF_BUFFER_SIZE );
     fcx = xmalloc( sizeof *fcx + strlen(fname) );
     fcx->fp = fp;
     strcpy(fcx->fname, fname );
@@ -1582,7 +1588,7 @@ iobuf_flush(IOBUF a)
 
     if( a->use == 3 ) { /* increase the temp buffer */
 	char *newbuf;
-	size_t newsize = a->d.size + 8192;
+	size_t newsize = a->d.size + IOBUF_BUFFER_SIZE;
 
 	if( DBG_IOBUF )
 	  log_debug("increasing temp iobuf from %lu to %lu\n",