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Diffstat (limited to 'conf/cf-lex.l')
-rw-r--r--conf/cf-lex.l59
1 files changed, 58 insertions, 1 deletions
diff --git a/conf/cf-lex.l b/conf/cf-lex.l
index 2f95f2e1..8c20b2d0 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 adata *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}+