1 files changed, 58 insertions, 1 deletions

diff --git a/conf/cf-lex.l b/conf/cf-lex.l
index 5fb88e03..c32b1c22 100644
--- a/conf/cf-lex.l
+++ b/conf/cf-lex.l
@@ -50,6 +50,7 @@
 #include "conf/cf-parse.tab.h"
 #include "lib/string.h"
 #include "lib/hash.h"
+#include "lib/base64.h"
 
 #include "conf/keywords.h"
 
@@ -111,10 +112,11 @@ static enum yytokentype cf_lex_symbol(const char *data);
 %option nounput
 %option noreject
 
-%x COMMENT CCOMM CLI QUOTED APOSTROPHED INCLUDE
+%x COMMENT CCOMM CLI QUOTED BQUOTED B64QUOTED APOSTROPHED INCLUDE
 
 ALPHA [a-zA-Z_]
 DIGIT [0-9]
+OIGIT [0-7]
 XIGIT [0-9a-fA-F]
 ALNUM [a-zA-Z_0-9]
 WHITE [ \t]
@@ -343,6 +345,61 @@ else: {
 
 <QUOTED>.	BUFFER_PUSH(quoted_buffer) = yytext[0];
 
+[b]["] {
+  BEGIN(BQUOTED);
+  quoted_buffer_init();
+}
+
+<BQUOTED>\n	cf_error("Unterminated byte string");
+<BQUOTED><<EOF>> cf_error("Unterminated byte string");
+<BQUOTED>["]	{
+  BEGIN(INITIAL);
+  struct bytestring *bytes;
+
+  bytes = cfg_allocz(sizeof(*bytes) + quoted_buffer.used);
+  memcpy(bytes->data, quoted_buffer.data, quoted_buffer.used);
+  bytes->length = quoted_buffer.used;
+
+  cf_lval.bs = bytes;
+  return BYTETEXT;
+}
+
+<BQUOTED>.	BUFFER_PUSH(quoted_buffer) = yytext[0];
+
+<BQUOTED>[\\]({OIGIT}|{OIGIT}{OIGIT}|{OIGIT}{OIGIT}{OIGIT})	{
+  char buf[4];
+  char *end = NULL;
+  memcpy(buf, yytext + 1, yyleng);
+  buf[yyleng] = 0;
+  BUFFER_PUSH(quoted_buffer) = bstrtoul10(buf, &end);
+}
+
+<BQUOTED>[\\][x]({XIGIT}|{XIGIT}{XIGIT})	{
+  char buf[3];
+  char *end = NULL;
+  memcpy(buf, yytext + 2, yyleng);
+  buf[yyleng] = 0;
+  BUFFER_PUSH(quoted_buffer) = bstrtoul16(buf, &end);
+}
+
+[b][6][4]["] {
+  BEGIN(B64QUOTED);
+  quoted_buffer_init();
+}
+
+<B64QUOTED>\n	cf_error("Unterminated base64 string");
+<B64QUOTED><<EOF>> cf_error("Unterminated base64 string");
+<B64QUOTED>["]	{
+  BEGIN(INITIAL);
+  cf_lval.bs = base64_decode_bs(cfg_mem, quoted_buffer.data, quoted_buffer.used, NULL);
+  if (!cf_lval.bs)
+    cf_error("Invalid base64 string");
+
+  return BYTETEXT;
+}
+
+<B64QUOTED>.	BUFFER_PUSH(quoted_buffer) = yytext[0];
+
 <INITIAL,COMMENT><<EOF>>	{ if (check_eof()) return END; }
 
 {WHITE}+