2
0
mirror of https://gitlab.isc.org/isc-projects/bind9 synced 2025-08-31 14:35:26 +00:00

3668. [bug] Fix cast in lex.c which could see 0xff treated as eof.

[RT #34993]
This commit is contained in:
Mark Andrews
2013-11-11 10:49:28 +11:00
parent 04e33823c4
commit 0a47bc90af
4 changed files with 79 additions and 1 deletions

View File

@@ -1,3 +1,6 @@
3668. [bug] Fix cast in lex.c which could see 0xff treated as eof.
[RT #34993]
3667. [func] dig: add support to keep the TCP socket open between
successive queries (+[no]keepopen). [RT #34918]

View File

@@ -445,7 +445,7 @@ isc_lex_gettoken(isc_lex_t *lex, unsigned int options, isc_token_t *tokenp) {
c = EOF;
source->at_eof = ISC_TRUE;
} else {
c = *((char *)buffer->base +
c = *((unsigned char *)buffer->base +
buffer->current);
buffer->current++;
}

View File

@@ -36,12 +36,14 @@ LIBS = @LIBS@ @ATFLIBS@
OBJS = isctest.@O@
SRCS = isctest.c taskpool_test.c socket_test.c hash_test.c \
lex_test.c \
sockaddr_test.c symtab_test.c task_test.c queue_test.c \
parse_test.c pool_test.c regex_test.c socket_test.c \
safe_test.c
SUBDIRS =
TARGETS = taskpool_test@EXEEXT@ socket_test@EXEEXT@ hash_test@EXEEXT@ \
lex_test@EXEEXT@ \
sockaddr_test@EXEEXT@ symtab_test@EXEEXT@ task_test@EXEEXT@ \
queue_test@EXEEXT@ parse_test@EXEEXT@ pool_test@EXEEXT@ \
regex_test@EXEEXT@ socket_test@EXEEXT@ safe_test@EXEEXT@
@@ -64,6 +66,10 @@ hash_test@EXEEXT@: hash_test.@O@ ${ISCDEPLIBS}
${LIBTOOL_MODE_LINK} ${PURIFY} ${CC} ${CFLAGS} ${LDFLAGS} -o $@ \
hash_test.@O@ ${ISCLIBS} ${LIBS}
lex_test@EXEEXT@: lex_test.@O@ ${ISCDEPLIBS}
${LIBTOOL_MODE_LINK} ${PURIFY} ${CC} ${CFLAGS} ${LDFLAGS} -o $@ \
lex_test.@O@ ${ISCLIBS} ${LIBS}
queue_test@EXEEXT@: queue_test.@O@ isctest.@O@ ${ISCDEPLIBS}
${LIBTOOL_MODE_LINK} ${PURIFY} ${CC} ${CFLAGS} ${LDFLAGS} -o $@ \
queue_test.@O@ isctest.@O@ ${ISCLIBS} ${LIBS}

69
lib/isc/tests/lex_test.c Normal file
View File

@@ -0,0 +1,69 @@
/*
* Copyright (C) 2013 Internet Systems Consortium, Inc. ("ISC")
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#include <config.h>
#include <atf-c.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <isc/buffer.h>
#include <isc/lex.h>
#include <isc/mem.h>
#include <isc/util.h>
ATF_TC(lex);
ATF_TC_HEAD(lex, tc) {
atf_tc_set_md_var(tc, "descr", "check handling of 0xff");
}
ATF_TC_BODY(lex, tc) {
isc_mem_t *mctx = NULL;
isc_result_t result;
isc_lex_t *lex = NULL;
isc_buffer_t death_buf;
isc_token_t token;
unsigned char death[] = { EOF, 'A' };
UNUSED(tc);
result = isc_mem_create(0, 0, &mctx);
ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);
result = isc_lex_create(mctx, 1024, &lex);
ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);
isc_buffer_init(&death_buf, &death[0], sizeof(death));
isc_buffer_add(&death_buf, sizeof(death));
result = isc_lex_openbuffer(lex, &death_buf);
ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);
result = isc_lex_gettoken(lex, 0, &token);
ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);
}
/*
* Main
*/
ATF_TP_ADD_TCS(tp) {
ATF_TP_ADD_TC(tp, lex);
return (atf_no_error());
}