diff options
Diffstat (limited to 'conf/cf-lex.l')
| -rw-r--r-- | conf/cf-lex.l | 59 |
1 files changed, 58 insertions, 1 deletions
diff --git a/conf/cf-lex.l b/conf/cf-lex.l index e789e864..5556697d 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" struct keyword { byte *name; @@ -124,10 +125,11 @@ 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] @@ -356,6 +358,61 @@ 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}+ |