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Enable FORTIFY and FORMAT SECURITY compile flags

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1. Enable below 2 defenses in Makefile
   "-O2 -D_FORTIFY_SOURCE=2"
   "-Wformat -Wformat-security"

2. Update related source code impacted by above 2 flags

Change-Id: Ib42214848f030b4cf508cd7c52a7e3cc809435d9
Signed-off-by: Yonghua Huang <yonghua.huang@intel.com>
This commit is contained in:
Yonghua Huang
2018-03-13 17:02:51 +08:00
committed by Jack Ren
parent 155be81dbf
commit b6d73be1a6
9 changed files with 81 additions and 37 deletions
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15
devicemodel/core/consport.c
View File

@@ -84,17 +84,20 @@ ttyread(void)
char rb;
if (tty_char_available()) {
read(STDIN_FILENO, &rb, 1);
return (rb & 0xff);
} else {
return -1;
if (read(STDIN_FILENO, &rb, 1) > 0)
return (rb & 0xff);
}
return -1;
}
static void
static int
ttywrite(unsigned char wb)
{
(void) write(STDOUT_FILENO, &wb, 1);
if (write(STDOUT_FILENO, &wb, 1) > 0)
return 1;
return -1;
}
static int

7
devicemodel/core/mevent.c
View File

@@ -109,7 +109,8 @@ mevent_pipe_read(int fd, enum ev_type type, void *param)
} while (status == MEVENT_MAX);
}
void
/*On error, -1 is returned, else return zero*/
int
mevent_notify(void)
{
char c;
@@ -119,7 +120,9 @@ mevent_notify(void)
* pipe to force the i/o thread to exit the blocking epoll call.
*/
if (mevent_pipefd[1] != 0 && pthread_self() != mevent_tid)
write(mevent_pipefd[1], &c, 1);
if (write(mevent_pipefd[1], &c, 1) <= 0)
return -1;
return 0;
}
static int