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tests: Add support for a passphrase queue to fake pinentry.

Browse Source 
* tests/openpgp/fake-pinentry.c (get_passphrase): New function.
(main): Add option --passphrasefile and read passphrases from it.

Signed-off-by: Justus Winter <justus@g10code.com>
This commit is contained in:
Justus Winter 2016-04-19 15:44:23 +02:00
parent 41b10c66ec
commit 4994153924
1 changed files with 94 additions and 2 deletions
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96
tests/openpgp/fake-pinentry.c
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@ -44,6 +44,74 @@ reply (const char *fmt, ...)
return result;
}
/* Return the first line from FNAME, removing it from the file. */
char *
get_passphrase (const char *fname)
{
char *passphrase = NULL;
size_t fname_len;
char *fname_new;
FILE *source, *sink;
char linebuf[80];
fname_len = strlen (fname);
fname_new = malloc (fname_len + 5);
if (fname_new == NULL)
{
perror ("malloc");
exit (1);
}
snprintf (fname_new, fname_len + 5, "%s.new", fname);
source = fopen (fname, "r");
if (! source)
{
perror (fname);
exit (1);
}
sink = fopen (fname_new, "w");
if (! sink)
{
perror (fname_new);
exit (1);
}
while (fgets (linebuf, sizeof linebuf, source))
{
linebuf[sizeof linebuf - 1] = 0;
if (passphrase == NULL)
{
passphrase = strdup (linebuf);
if (passphrase == NULL)
{
perror ("strdup");
exit (1);
}
}
else
fputs (linebuf, sink);
}
if (ferror (source))
{
perror (fname);
exit (1);
}
if (ferror (sink))
{
perror (fname_new);
exit (1);
}
fclose (source);
fclose (sink);
rename (fname_new, fname);
return passphrase;
}
#define spacep(p) (*(p) == ' ' || *(p) == '\t')
@ -97,7 +165,8 @@ main (int argc, char **argv)
{
char *args;
char *logfile;
static char *passphrase;
char *passphrasefile;
char *passphrase;
/* We get our options via PINENTRY_USER_DATA. */
(void) argc, (void) argv;
@ -127,7 +196,30 @@ main (int argc, char **argv)
}
}
passphrase = skip_options (args);
passphrasefile = option_value (args, "--passphrasefile");
if (passphrasefile)
{
char *p = passphrasefile, more;
while (*p && ! spacep (p))
p++;
more = !! *p;
*p = 0;
args = more ? p+1 : p;
passphrase = get_passphrase (passphrasefile);
if (! passphrase)
{
reply ("# Passphrasefile '%s' is empty. Terminating.\n",
passphrasefile);
return 1;
}
p = passphrase + strlen (passphrase) - 1;
if (*p == '\n')
*p = 0;
}
else
passphrase = skip_options (args);
reply ("# fake-pinentry started. Passphrase='%s'.\n", passphrase);
reply ("OK - what's up?\n");