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Improve matching logic.

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This commit is contained in:
Simon Josefsson 2009-03-24 16:41:11 +00:00
parent bc5262f4e2
commit a077ae56ad
1 changed files with 21 additions and 17 deletions
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36
pam_yubico.c
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@ -98,9 +98,10 @@
*/
static int
check_user_token (const char *authfile,
const char *username, const char *usertoken)
const char *username,
const char *otp_id)
{
static char buf[1024];
char buf[1024];
char *s_user, *s_token;
int retval = 0;
FILE *opwfile;
@ -108,34 +109,37 @@ check_user_token (const char *authfile,
opwfile = fopen (authfile, "r");
if (opwfile == NULL)
{
D ((" %s file does not exists.", authfile));
D (("Cannot open file: %s", authfile));
return retval;
}
while (fgets (buf, 1024, opwfile))
{
if (!strncmp (buf, username, strlen (username)))
{
if (buf[strlen (buf) - 1] == '\n')
buf[strlen (buf) - 1] = '\0';
D (("Got user record :: %s", buf));
D (("Authorization line: %s", buf));
s_user = strtok (buf, ":");
s_token = strtok (NULL, ":");
while (s_token != NULL)
if (s_user && strcmp (username, s_user) == 0)
{
if (!strncmp (usertoken, s_token, strlen (usertoken)))
D (("Matched user: %s", s_user));
do
{
D (("Token Found :: %s", s_token));
retval = 1;
break;
}
s_token = strtok (NULL, ":");
}
break;
D (("Authorization token: %s", s_token));
if (s_token && strcmp (otp_id, s_token) == 0)
{
D (("Match user/token as %s/%s", username, otp_id));
fclose (opwfile);
return 1;
}
}
while (s_token != NULL);
}
}
fclose (opwfile);
return retval;
return 0;
}
/*