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pam_yubico.c: Check for return codes of snprintf()

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This commit is contained in:
Karol Babioch 2018-05-17 16:31:36 +02:00
parent f77893a11c
commit 80e7484aea
1 changed files with 5 additions and 1 deletions
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6
pam_yubico.c
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@ -308,7 +308,11 @@ authorize_user_token_ldap (struct cfg *cfg,
DBG ("Failed allocating %zu bytes", i);
goto done;
}
snprintf (find, i, "%s=%s,%s", cfg->user_attr, user, cfg->ldapdn);
int j = snprintf (find, i, "%s=%s,%s", cfg->user_attr, user, cfg->ldapdn);
if (j < 0 || j >= i) {
DBG ("Failed to format string");
goto done;
}
filter = NULL;
} else if (cfg->ldapdn) {
find = strdup(cfg->ldapdn); /* allow free later */