Viewing file:  sensitive-1.c (2.71 KB) -rw-r--r--
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#include <stdio.h>
/* Solaris needs this for <unistd.h> to declare getpass. */
#define __EXTENSIONS__
#include <unistd.h>
#include <string.h>
/* Declare getpass, in case unistd doesn't declare it.
Parenthesize it, in case it's a macro.
Don't use a prototype, to avoid const mismatches. */
extern char *(getpass) ();
char test_1 (FILE *logfile)
{
char *password = getpass (">"); /* { dg-message "\\(1\\) sensitive value acquired here" } */
fprintf (logfile, "got password %s\n", password); /* { dg-warning "sensitive value 'password' written to output file \\\[CWE-532\\\]" "warning" } */
/* { dg-message "\\(2\\) sensitive value 'password' written to output file; acquired at \\(1\\)" "event" { target *-*-* } .-1 } */
}
char test_2 (FILE *logfile, int i)
{
char *password = getpass (">"); /* { dg-message "\\(1\\) sensitive value acquired here" } */
fprintf (logfile, "got password[%i]: %s\n", i, password); /* { dg-warning "sensitive value 'password' written to output file \\\[CWE-532\\\]" } */
/* { dg-message "\\(2\\) sensitive value 'password' written to output file; acquired at \\(1\\)" "event" { target *-*-* } .-1 } */
}
char test_3 (FILE *logfile)
{
char *password = getpass (">"); /* { dg-message "\\(1\\) sensitive value acquired here" } */
printf ("got password %s\n", password); /* { dg-warning "sensitive value 'password' written to output file \\\[CWE-532\\\]" "warning" } */
/* { dg-message "\\(2\\) sensitive value 'password' written to output file; acquired at \\(1\\)" "event" { target *-*-* } .-1 } */
}
char test_4 (FILE *logfile)
{
char *password = getpass (">"); /* { dg-message "\\(1\\) sensitive value acquired here" } */
fwrite (password, strlen (password), 1, logfile); /* { dg-warning "sensitive value 'password' written to output file \\\[CWE-532\\\]" "warning" } */
/* { dg-message "\\(2\\) sensitive value 'password' written to output file; acquired at \\(1\\)" "event" { target *-*-* } .-1 } */
}
static void called_by_test_5 (const char *value)
{
printf ("%s", value); /* { dg-warning "sensitive value 'value' written to output file \\\[CWE-532\\\]" } */
}
char test_5 (FILE *logfile)
{
char *password = getpass (">");
called_by_test_5 (password); /* { dg-message "passing sensitive value 'password' in call to 'called_by_test_5' from 'test_5'" } */
}
static char *called_by_test_6 (void)
{
return getpass (">"); /* { dg-message "sensitive value acquired here" } */
}
char test_6 (FILE *logfile)
{
char *password = called_by_test_6 (); /* { dg-message "returning sensitive value to 'test_6' from 'called_by_test_6'" } */
printf ("%s", password); /* { dg-warning "sensitive value 'password' written to output file \\\[CWE-532\\\]" } */
}
/* TODO: strdup etc, strcpy, memcpy, etc. */
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