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[fs_cli] Fix unchecked tainted data.

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This commit is contained in:
Andrey Volk 2019-11-20 11:38:27 +04:00
parent bafe238b72
commit f664600df4
1 changed files with 4 additions and 1 deletions
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5
libs/esl/fs_cli.c
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@ -1002,10 +1002,13 @@ static const char *basic_gets(int *cnt)
for (x = 0; x < (sizeof(command_buf) - 1); x++) {
int c = getchar();
if (c < 0) {
size_t command_buf_len;
if (fgets(command_buf, sizeof(command_buf) - 1, stdin) != command_buf) {
break;
}
if ((command_buf_len = strlen(command_buf)) > 0) {
command_buf[command_buf_len - 1] = '\0'; /* remove endline */
}
command_buf[strlen(command_buf)-1] = '\0'; /* remove endline */
break;
}
command_buf[x] = (char) c;