add tyfuzz utility used for fuzzing the escape code parsing routines

devs/zehortigoza/user-title
Boris Faure 7 years ago
parent e81097ccf7
commit 7d46ee5062
  1. 1
      .gitignore
  2. 23
      src/bin/Makefile.am
  3. 162
      src/bin/tyfuzz.c

1
.gitignore vendored

@ -86,6 +86,7 @@ Makefile.in
/src/bin/tyalpha
/src/bin/tybg
/src/bin/tycat
/src/bin/tyfuzz
/src/bin/tyls
/src/bin/typop
/src/bin/tyq

@ -2,6 +2,9 @@ AUTOMAKE_OPTIONS = subdir-objects
MAINTAINERCLEANFILES = Makefile.in
bin_PROGRAMS = terminology tybg tyalpha typop tyq tycat tyls
if ENABLE_FUZZING
bin_PROGRAMS += tyfuzz
endif
terminology_CPPFLAGS = -I. \
-DPACKAGE_BIN_DIR=\"$(bindir)\" -DPACKAGE_LIB_DIR=\"$(libdir)\" \
@ -115,3 +118,23 @@ tyls_CPPFLAGS = -I. \
-DPACKAGE_DATA_DIR=\"$(pkgdatadir)\" @TERMINOLOGY_CFLAGS@
tyls_LDADD = @TERMINOLOGY_LIBS@
if ENABLE_FUZZING
tyfuzz_SOURCES = \
termptyesc.c \
termptysave.c \
termptyops.c \
termptydbl.c \
termptyext.c \
termptygfx.c \
termpty.c \
config.c \
col.c \
tyfuzz.c
tyfuzz_CPPFLAGS = -I. \
-DPACKAGE_BIN_DIR=\"$(bindir)\" -DPACKAGE_LIB_DIR=\"$(libdir)\" \
-DPACKAGE_DATA_DIR=\"$(pkgdatadir)\" @TERMINOLOGY_CFLAGS@
tyfuzz_LDADD = @TERMINOLOGY_LIBS@
endif

@ -0,0 +1,162 @@
#include <stdio.h>
#include <limits.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include "string.h"
#include "private.h"
#include <Elementary.h>
#include "termpty.h"
#include <assert.h>
/* {{{ stub */
int _log_domain = -1;
static Config *_config = NULL;
const char *
theme_path_get(void)
{
return NULL;
}
void
main_config_sync(const Config *config)
{
}
void
termio_content_change(Evas_Object *obj EINA_UNUSED,
Evas_Coord x EINA_UNUSED, Evas_Coord y EINA_UNUSED,
int n EINA_UNUSED)
{
}
Config *
termio_config_get(const Evas_Object *obj EINA_UNUSED)
{
return _config;
}
void
termio_scroll(Evas_Object *obj EINA_UNUSED,
int direction EINA_UNUSED,
int start_y EINA_UNUSED,
int end_y EINA_UNUSED)
{
}
/* used to set argument to evas_object_textgrid_palette_set()
*/
Evas_Object *
termio_textgrid_get(Evas_Object *obj EINA_UNUSED)
{
return NULL;
}
/* }}} */
static void
_init_termpty(Termpty *ty)
{
ty->w = 80;
ty->h = 25;
ty->backsize = 50;
termpty_reset_state(ty);
ty->screen = calloc(1, sizeof(Termcell) * ty->w * ty->h);
ty->screen2 = calloc(1, sizeof(Termcell) * ty->w * ty->h);
assert(ty->screen);
assert(ty->screen2);
ty->circular_offset = 0;
ty->fd = STDIN_FILENO;
}
int
main(int argc, char **argv)
{
Termpty ty = {};
char buf[4097];
Eina_Unicode codepoint[4097];
int len, i, j, k, reads;
eina_init();
_log_domain = eina_log_domain_register("tyfuzz", NULL);
_config = config_new();
_init_termpty(&ty);
do
{
char *rbuf = buf;
len = sizeof(buf) - 1;
for (i = 0; i < (int)sizeof(ty.oldbuf) && ty.oldbuf[i] & 0x80; i++)
{
*rbuf = ty.oldbuf[i];
rbuf++;
len--;
}
len = read(ty.fd, rbuf, len);
if (len < 0 && errno != EAGAIN)
{
ERR("error while reading from tty slave fd");
break;
}
if (len <= 0) break;
for (i = 0; i < (int)sizeof(ty.oldbuf); i++)
ty.oldbuf[i] = 0;
len += rbuf - buf;
buf[len] = 0;
// convert UTF8 to codepoint integers
j = 0;
for (i = 0; i < len;)
{
int g = 0, prev_i = i;
if (buf[i])
{
#if (EINA_VERSION_MAJOR > 1) || (EINA_VERSION_MINOR >= 8)
g = eina_unicode_utf8_next_get(buf, &i);
if ((0xdc80 <= g) && (g <= 0xdcff) &&
(len - prev_i) <= (int)sizeof(ty.oldbuf))
#else
i = evas_string_char_next_get(buf, i, &g);
if (i < 0 &&
(len - prev_i) <= (int)sizeof(ty.oldbuf))
#endif
{
for (k = 0;
(k < (int)sizeof(ty.oldbuf)) &&
(k < (len - prev_i));
k++)
{
ty.oldbuf[k] = buf[prev_i+k];
}
DBG("failure at %d/%d/%d", prev_i, i, len);
break;
}
}
else
{
g = 0;
i++;
}
codepoint[j] = g;
j++;
}
codepoint[j] = 0;
termpty_handle_buf(&ty, codepoint, j);
}
while (1);
eina_shutdown();
free(_config);
return 0;
}
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