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From: Jakub Jirutka <jakub@jirutka.cz>
Date: Sun, 27 May 2018 22:08:00 +0200
Subject: [PATCH] s_client: Add options -verify_{hostname,email,ip}
This code is ported from OpenSSL 1.0.2o. We need it for Busybox wget.
--- a/apps/openssl/apps.c
+++ b/apps/openssl/apps.c
@@ -1845,6 +1845,9 @@
char **oldargs = *pargs;
char *arg = **pargs, *argn = (*pargs)[1];
time_t at_time = 0;
+ char *hostname = NULL;
+ char *email = NULL;
+ char *ipasc = NULL;
const char *errstr = NULL;
if (!strcmp(arg, "-policy")) {
@@ -1905,6 +1908,21 @@
at_time = (time_t) timestamp;
}
(*pargs)++;
+ } else if (strcmp(arg, "-verify_hostname") == 0) {
+ if (!argn)
+ *badarg = 1;
+ hostname = argn;
+ (*pargs)++;
+ } else if (strcmp(arg, "-verify_email") == 0) {
+ if (!argn)
+ *badarg = 1;
+ email = argn;
+ (*pargs)++;
+ } else if (strcmp(arg, "-verify_ip") == 0) {
+ if (!argn)
+ *badarg = 1;
+ ipasc = argn;
+ (*pargs)++;
} else if (!strcmp(arg, "-ignore_critical"))
flags |= X509_V_FLAG_IGNORE_CRITICAL;
else if (!strcmp(arg, "-issuer_checks"))
@@ -1958,6 +1976,15 @@
if (at_time)
X509_VERIFY_PARAM_set_time(*pm, at_time);
+
+ if (hostname && !X509_VERIFY_PARAM_set1_host(*pm, hostname, 0))
+ *badarg = 1;
+
+ if (email && !X509_VERIFY_PARAM_set1_email(*pm, email, 0))
+ *badarg = 1;
+
+ if (ipasc && !X509_VERIFY_PARAM_set1_ip_asc(*pm, ipasc))
+ *badarg = 1;
end:
(*pargs)++;
--- a/apps/openssl/s_client.c
+++ b/apps/openssl/s_client.c
@@ -200,8 +200,12 @@
BIO_printf(bio_err, " -port port - use -connect instead\n");
BIO_printf(bio_err, " -connect host:port - who to connect to (default is %s:%s)\n", SSL_HOST_NAME, PORT_STR);
BIO_printf(bio_err, " -proxy host:port - connect to http proxy\n");
+ BIO_printf(bio_err, " -verify_hostname host - check peer certificate matches \"host\"\n");
+ BIO_printf(bio_err, " -verify_email email - check peer certificate matches \"email\"\n");
+ BIO_printf(bio_err, " -verify_ip ipaddr - check peer certificate matches \"ipaddr\"\n");
BIO_printf(bio_err, " -verify arg - turn on peer certificate verification\n");
+ BIO_printf(bio_err, " -verify_return_error - return verification errors\n");
BIO_printf(bio_err, " -cert arg - certificate file to use, PEM format assumed\n");
BIO_printf(bio_err, " -certform arg - certificate format (PEM or DER) PEM default\n");
BIO_printf(bio_err, " -key arg - Private key file to use, in cert file if\n");
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