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opts.c
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opts.c
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/*-
* SSLsplit - transparent SSL/TLS interception
* https://www.roe.ch/SSLsplit
*
* Copyright (c) 2009-2019, Daniel Roethlisberger <[email protected]>.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "opts.h"
#include "sys.h"
#include "log.h"
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#ifndef OPENSSL_NO_DH
#include <openssl/dh.h>
#endif /* !OPENSSL_NO_DH */
#include <openssl/x509.h>
#ifdef WITH_CONTENT_FILTER
#include <json-c/json.h>
#endif /* WITH_CONTENT_FILTER */
/*
* Handle out of memory conditions in early stages of main().
* Print error message and exit with failure status code.
* Does not return.
*/
void NORET
oom_die(const char *argv0)
{
fprintf(stderr, "%s: out of memory\n", argv0);
exit(EXIT_FAILURE);
}
/*
* Load a cert/chain/key combo from a single PEM file.
* Returns NULL on failure.
*/
cert_t *
opts_load_cert_chain_key(const char *filename)
{
cert_t *cert;
cert = cert_new_load(filename);
if (!cert) {
log_err_printf("Failed to load cert and key from PEM file "
"'%s'\n", filename);
return NULL;
}
if (X509_check_private_key(cert->crt, cert->key) != 1) {
log_err_printf("Cert does not match key in PEM file "
"'%s':\n", filename);
ERR_print_errors_fp(stderr);
return NULL;
}
#ifdef DEBUG_CERTIFICATE
log_dbg_printf("Loaded '%s':\n", filename);
log_dbg_print_free(ssl_x509_to_str(cert->crt));
log_dbg_print_free(ssl_x509_to_pem(cert->crt));
#endif /* DEBUG_CERTIFICATE */
return cert;
}
opts_t *
opts_new(void)
{
opts_t *opts;
opts = malloc(sizeof(opts_t));
memset(opts, 0, sizeof(opts_t));
opts->sslcomp = 1;
opts->cachain = sk_X509_new_null();
opts->sslmethod = SSLv23_method;
opts->allow_wrong_host = 1;
return opts;
}
void
opts_free(opts_t *opts)
{
if (opts->clientcrt) {
X509_free(opts->clientcrt);
}
if (opts->clientkey) {
EVP_PKEY_free(opts->clientkey);
}
if (opts->cacrt) {
X509_free(opts->cacrt);
}
if (opts->cakey) {
EVP_PKEY_free(opts->cakey);
}
sk_X509_pop_free(opts->cachain, X509_free);
if (opts->leafkey) {
EVP_PKEY_free(opts->leafkey);
}
if (opts->leafcertdir) {
free(opts->leafcertdir);
}
if (opts->defaultleafcert) {
cert_free(opts->defaultleafcert);
}
if (opts->leafcrlurl) {
free(opts->leafcrlurl);
}
#ifndef OPENSSL_NO_DH
if (opts->dh) {
DH_free(opts->dh);
}
#endif /* !OPENSSL_NO_DH */
#ifndef OPENSSL_NO_ECDH
if (opts->ecdhcurve) {
free(opts->ecdhcurve);
}
#endif /* !OPENSSL_NO_ECDH */
if (opts->spec) {
proxyspec_free(opts->spec);
}
if (opts->ciphers) {
free(opts->ciphers);
}
#ifndef OPENSSL_NO_ENGINE
if (opts->openssl_engine) {
free(opts->openssl_engine);
}
#endif /* !OPENSSL_NO_ENGINE */
if (opts->dropuser) {
free(opts->dropuser);
}
if (opts->dropgroup) {
free(opts->dropgroup);
}
if (opts->jaildir) {
free(opts->jaildir);
}
if (opts->pidfile) {
free(opts->pidfile);
}
if (opts->connectlog) {
free(opts->connectlog);
}
if (opts->conffile) {
free(opts->conffile);
}
if (opts->contentlog) {
free(opts->contentlog);
}
if (opts->certgendir) {
free(opts->certgendir);
}
if (opts->contentlog_basedir) {
free(opts->contentlog_basedir);
}
if (opts->masterkeylog) {
free(opts->masterkeylog);
}
if (opts->pcaplog) {
free(opts->pcaplog);
}
if (opts->pcaplog_basedir) {
free(opts->pcaplog_basedir);
}
#ifndef WITHOUT_MIRROR
if (opts->mirrorif) {
free(opts->mirrorif);
}
if (opts->mirrortarget) {
free(opts->mirrortarget);
}
#endif /* !WITHOUT_MIRROR */
#ifdef WITH_CONTENT_FILTER
if (opts->ctf) {
ctfilter_free(opts->ctf);
}
#endif /* WITH_CONTENT_FILTER */
memset(opts, 0, sizeof(opts_t));
free(opts);
}
#ifdef WITH_CONTENT_FILTER
/*
* Create content filter.
*/
void
ctfilter_new(ctfilter_t **opts_ctf)
{
ctfilter_t *ctf = calloc(1, sizeof(ctfilter_t));
if (!ctf) {
log_err_printf("%s: enomem\n", __func__);
exit(EXIT_FAILURE);
}
*opts_ctf = ctf;
}
/*
* Clean content filter.
*/
void
ctfilter_free(ctfilter_t *ctf)
{
char **sp;
free(ctf->cfg_path);
for (size_t n = 0; n < ctf->rules.count; n++) {
if (ctf->rules.data[n].urls) {
sp = ctf->rules.data[n].urls;
while (*sp) {
free(*sp);
sp++;
}
free(ctf->rules.data[n].urls);
}
if (ctf->rules.data[n].methods) {
sp = ctf->rules.data[n].methods;
while (*sp) {
free(*sp);
sp++;
}
free(ctf->rules.data[n].methods);
}
if (ctf->rules.data[n].content) {
sp = ctf->rules.data[n].content;
while (*sp) {
free(*sp);
sp++;
}
free(ctf->rules.data[n].content);
}
}
if (ctf->rules.data) {
free(ctf->rules.data);
}
if (ctf->http_deny_tmpl) {
free(ctf->http_deny_tmpl);
}
free(ctf);
}
void
opts_set_ctf_cfg(opts_t *opts, const char *optarg)
{
ctfilter_new(&opts->ctf);
opts->ctf->cfg_path = strdup(optarg);
if (!opts->ctf->cfg_path) {
fprintf(stderr, "%s: enomem\n", __func__);
exit(EXIT_FAILURE);
}
if (opts_load_content_filter(opts, 1) == -1) {
exit(EXIT_FAILURE);
}
}
static char *
opts_validate_tmpl(const char *tmpl)
{
char *fo, *res;
if (!tmpl || strlen(tmpl) < 2) {
return NULL;
}
/* find '%s' specifier */
if ((fo = strchr(tmpl, '%')) == NULL) {
return NULL;
}
if (*(fo + 1) != 's') {
return NULL;
}
/* only one % accepted in template */
if (strchr(fo + 1, '%')) {
return NULL;
}
res = strdup(tmpl);
return res;
}
static char **
opts_parse_json_array(json_object *jso)
{
char **res = NULL;
size_t n_obj = json_object_array_length(jso);
res = calloc(n_obj + 1, sizeof(char *));
if (!res) {
return NULL;
}
for (size_t n = 0; n < n_obj; n++) {
json_object *obj = json_object_array_get_idx(jso, n);
res[n] = strdup(json_object_get_string(obj));
if (!res[n]) {
goto clean;
}
}
res[n_obj] = NULL;
return res;
clean:
for (size_t n = 0; n < n_obj; n++) {
if (res[n]) {
free(res[n]);
}
}
free(res);
return NULL;
}
static int
rules_sort_cb(const void *j1, const void *j2)
{
uint64_t id1, id2;
json_object *const *jso1, *const *jso2;
json_object *cur;
id1 = id2 = 0;
jso1 = j1;
jso2 = j2;
if (!*jso1 && !*jso2) {
return 0;
}
if (!*jso1) {
return -1;
}
if (!*jso2) {
return 1;
}
if (json_object_object_get_ex(*jso1, "id", &cur)) {
id1 = json_object_get_int64(cur);
}
if (json_object_object_get_ex(*jso2, "id", &cur)) {
id2 = json_object_get_int64(cur);
}
return id1 - id2;
}
int
opts_load_content_filter(opts_t *opts, int init)
{
ctfilter_t *ctf = opts->ctf;
json_object *root, *cur;
/* clear old filters while reconfiguring */
if (!init && ctf != NULL) {
char *cfg = strdup(ctf->cfg_path);
if (!cfg) {
log_err_printf("%s: enomem\n", __func__);
return -1;
}
ctfilter_free(ctf);
ctfilter_new(&ctf);
ctf->cfg_path = cfg;
opts->ctf = ctf;
}
root = json_object_from_file(ctf->cfg_path);
if (!root) {
log_err_printf("Cannot load JSON from '%s'\n", opts->ctf->cfg_path);
return -1;
}
if (json_object_object_get_ex(root, "http_deny_tmpl", &cur)) {
if (!(ctf->http_deny_tmpl = opts_validate_tmpl(json_object_get_string(cur)))) {
log_err_printf("content_filter: invalid \"http_deny_tmpl\"\n");
return -1;
}
} else {
log_err_printf("content_filter: missing \"http_deny_tmpl\" parameter\n");
return -1;
}
if (json_object_object_get_ex(root, "default_action", &cur)) {
const char *str = json_object_get_string(cur);
if (str) {
if (!strcmp(str, "pass")) {
ctf->default_action = 1;
} else if (!strcmp(str, "drop")) {
ctf->default_action = 0;
} else {
log_err_printf("content_filter: invalid \"default_action\" value\n");
return -1;
}
}
} else {
log_err_printf("content_filter: missing \"default_action\" parameter\n");
return -1;
}
if (json_object_object_get_ex(root, "rules", &cur)) {
json_object *jo = cur;
ctf->rules.count = json_object_array_length(jo);
if (!ctf->rules.count) {
/* no user rules defined */
goto out;
}
/* sort rules by id */
json_object_array_sort(jo, rules_sort_cb);
/* get rules */
ctf->rules.data = calloc(ctf->rules.count, sizeof(ct_rule_t));
if (!ctf->rules.data) {
log_err_printf("content_filter: cannot allocate memory for rules\n");
return -1;
}
for (size_t n = 0; n < ctf->rules.count; n++) {
json_object *obj = json_object_array_get_idx(jo, n);
const char *str = NULL;
if (json_object_object_get_ex(obj, "id", &cur)) {
ctf->rules.data[n].id = json_object_get_int64(cur);
} else {
log_err_printf("content_filter: missing \"id\" parameter in \"rules\"\n");
return -1;
}
if (json_object_object_get_ex(obj, "action", &cur)) {
str = json_object_get_string(cur);
if (str) {
if (!strcmp(str, "pass")) {
ctf->rules.data[n].action = 1;
} else if (!strcmp(str, "drop")) {
ctf->rules.data[n].action = 0;
} else {
log_err_printf("content_filter: invalid \"action\" value in \"rules\"\n");
return -1;
}
}
} else {
log_err_printf("content_filter: missing \"action\" parameter in \"rules\"\n");
return -1;
}
if (json_object_object_get_ex(obj, "url", &cur)) {
if ((ctf->rules.data[n].urls = opts_parse_json_array(cur)) == NULL) {
log_err_printf("content_filter: cannot allocate memory for rules\n");
return -1;
}
} else {
log_err_printf("content_filter: missing \"url\" parameter in \"rules\"\n");
return -1;
}
if (json_object_object_get_ex(obj, "method", &cur)) {
if ((ctf->rules.data[n].methods = opts_parse_json_array(cur)) == NULL) {
log_err_printf("content_filter: cannot allocate memory for rules\n");
return -1;
}
} else {
log_err_printf("content_filter: missing \"method\" parameter in \"rules\"\n");
return -1;
}
if (json_object_object_get_ex(obj, "content", &cur)) {
if ((ctf->rules.data[n].content = opts_parse_json_array(cur)) == NULL) {
log_err_printf("content_filter: cannot allocate memory for rules\n");
return -1;
}
} else {
log_err_printf("content_filter: missing \"content\" parameter in \"rules\"\n");
return -1;
}
}
} else {
log_err_printf("content_filter: missing \"rules\" section\n");
return -1;
}
out:
json_object_put(root);
return 0;
}
#endif /* WITH_CONTENT_FILTER */
/*
* Return 1 if opts_t contains a proxyspec that (eventually) uses SSL/TLS,
* 0 otherwise. When 0, it is safe to assume that no SSL/TLS operations
* will take place with this configuration.
*/
int
opts_has_ssl_spec(opts_t *opts)
{
proxyspec_t *p = opts->spec;
while (p) {
if (p->ssl || p->upgrade)
return 1;
p = p->next;
}
return 0;
}
/*
* Return 1 if opts_t contains a proxyspec with dns, 0 otherwise.
*/
int
opts_has_dns_spec(opts_t *opts)
{
proxyspec_t *p = opts->spec;
while (p) {
if (p->dns)
return 1;
p = p->next;
}
return 0;
}
/*
* Dump the SSL/TLS protocol related configuration to the debug log.
*/
void
opts_proto_dbg_dump(opts_t *opts)
{
log_dbg_printf("SSL/TLS protocol: %s%s%s%s%s%s\n",
#if (OPENSSL_VERSION_NUMBER < 0x10100000L) || defined(LIBRESSL_VERSION_NUMBER)
#ifdef HAVE_SSLV2
(opts->sslmethod == SSLv2_method) ? "ssl2" :
#endif /* HAVE_SSLV2 */
#ifdef HAVE_SSLV3
(opts->sslmethod == SSLv3_method) ? "ssl3" :
#endif /* HAVE_SSLV3 */
#ifdef HAVE_TLSV10
(opts->sslmethod == TLSv1_method) ? "tls10" :
#endif /* HAVE_TLSV10 */
#ifdef HAVE_TLSV11
(opts->sslmethod == TLSv1_1_method) ? "tls11" :
#endif /* HAVE_TLSV11 */
#ifdef HAVE_TLSV12
(opts->sslmethod == TLSv1_2_method) ? "tls12" :
#endif /* HAVE_TLSV12 */
#else /* OPENSSL_VERSION_NUMBER >= 0x10100000L */
#ifdef HAVE_SSLV3
(opts->sslversion == SSL3_VERSION) ? "ssl3" :
#endif /* HAVE_SSLV3 */
#ifdef HAVE_TLSV10
(opts->sslversion == TLS1_VERSION) ? "tls10" :
#endif /* HAVE_TLSV10 */
#ifdef HAVE_TLSV11
(opts->sslversion == TLS1_1_VERSION) ? "tls11" :
#endif /* HAVE_TLSV11 */
#ifdef HAVE_TLSV12
(opts->sslversion == TLS1_2_VERSION) ? "tls12" :
#endif /* HAVE_TLSV12 */
#endif /* OPENSSL_VERSION_NUMBER >= 0x10100000L */
"negotiate",
#ifdef HAVE_SSLV2
opts->no_ssl2 ? " -ssl2" :
#endif /* HAVE_SSLV2 */
"",
#ifdef HAVE_SSLV3
opts->no_ssl3 ? " -ssl3" :
#endif /* HAVE_SSLV3 */
"",
#ifdef HAVE_TLSV10
opts->no_tls10 ? " -tls10" :
#endif /* HAVE_TLSV10 */
"",
#ifdef HAVE_TLSV11
opts->no_tls11 ? " -tls11" :
#endif /* HAVE_TLSV11 */
"",
#ifdef HAVE_TLSV12
opts->no_tls12 ? " -tls12" :
#endif /* HAVE_TLSV12 */
"");
}
/*
* Parse proxyspecs using a simple state machine.
*/
void
proxyspec_parse(int *argc, char **argv[], const char *natengine,
proxyspec_t **opts_spec)
{
proxyspec_t *spec = NULL;
char *addr = NULL;
int af = AF_UNSPEC;
int state = 0;
while ((*argc)--) {
switch (state) {
default:
case 0:
/* tcp | ssl | http | https | autossl */
spec = malloc(sizeof(proxyspec_t));
memset(spec, 0, sizeof(proxyspec_t));
spec->next = *opts_spec;
*opts_spec = spec;
/* Defaults */
spec->ssl = 0;
spec->http = 0;
spec->upgrade = 0;
if (!strcmp(**argv, "tcp")) {
/* use defaults */
} else
if (!strcmp(**argv, "ssl")) {
spec->ssl = 1;
} else
if (!strcmp(**argv, "http")) {
spec->http = 1;
} else
if (!strcmp(**argv, "https")) {
spec->ssl = 1;
spec->http = 1;
} else
if (!strcmp(**argv, "autossl")) {
spec->upgrade = 1;
} else {
fprintf(stderr, "Unknown connection "
"type '%s'\n", **argv);
exit(EXIT_FAILURE);
}
state++;
break;
case 1:
/* listenaddr */
addr = **argv;
state++;
break;
case 2:
/* listenport */
af = sys_sockaddr_parse(&spec->listen_addr,
&spec->listen_addrlen,
addr, **argv,
sys_get_af(addr),
EVUTIL_AI_PASSIVE);
if (af == -1) {
exit(EXIT_FAILURE);
}
if (natengine) {
spec->natengine = strdup(natengine);
if (!spec->natengine) {
fprintf(stderr,
"Out of memory"
"\n");
exit(EXIT_FAILURE);
}
} else {
spec->natengine = NULL;
}
state++;
break;
case 3:
/* [ natengine | dstaddr ] */
if (!strcmp(**argv, "tcp") ||
!strcmp(**argv, "ssl") ||
!strcmp(**argv, "http") ||
!strcmp(**argv, "https") ||
!strcmp(**argv, "autossl")) {
/* implicit default natengine */
(*argv)--; (*argc)++; /* rewind */
state = 0;
} else
if (!strcmp(**argv, "sni")) {
free(spec->natengine);
spec->natengine = NULL;
if (!spec->ssl) {
fprintf(stderr,
"SNI hostname lookup "
"only works for ssl "
"and https proxyspecs"
"\n");
exit(EXIT_FAILURE);
}
state = 5;
} else
if (nat_exist(**argv)) {
/* natengine */
free(spec->natengine);
spec->natengine = strdup(**argv);
if (!spec->natengine) {
fprintf(stderr,
"Out of memory"
"\n");
exit(EXIT_FAILURE);
}
state = 0;
} else {
/* explicit target address */
free(spec->natengine);
spec->natengine = NULL;
addr = **argv;
state++;
}
break;
case 4:
/* dstport */
af = sys_sockaddr_parse(&spec->connect_addr,
&spec->connect_addrlen,
addr, **argv, af, 0);
if (af == -1) {
exit(EXIT_FAILURE);
}
state = 0;
break;
case 5:
/* SNI dstport */
spec->sni_port = atoi(**argv);
if (!spec->sni_port) {
fprintf(stderr, "Invalid port '%s'\n",
**argv);
exit(EXIT_FAILURE);
}
spec->dns = 1;
state = 0;
break;
}
(*argv)++;
}
if (state != 0 && state != 3) {
fprintf(stderr, "Incomplete proxyspec!\n");
exit(EXIT_FAILURE);
}
}
/*
* Clear and free a proxy spec.
*/
void
proxyspec_free(proxyspec_t *spec)
{
do {
proxyspec_t *next = spec->next;
if (spec->natengine)
free(spec->natengine);
memset(spec, 0, sizeof(proxyspec_t));
free(spec);
spec = next;
} while (spec);
}
/*
* Return text representation of proxy spec for display to the user.
* Returned string must be freed by caller.
*/
char *
proxyspec_str(proxyspec_t *spec)
{
char *s;
char *lhbuf, *lpbuf;
char *cbuf = NULL;
if (sys_sockaddr_str((struct sockaddr *)&spec->listen_addr,
spec->listen_addrlen, &lhbuf, &lpbuf) != 0) {
return NULL;
}
if (spec->connect_addrlen) {
char *chbuf, *cpbuf;
if (sys_sockaddr_str((struct sockaddr *)&spec->connect_addr,
spec->connect_addrlen,
&chbuf, &cpbuf) != 0) {
return NULL;
}
if (asprintf(&cbuf, "[%s]:%s", chbuf, cpbuf) < 0) {
return NULL;
}
free(chbuf);
free(cpbuf);
}
if (spec->sni_port) {
if (asprintf(&cbuf, "sni %i", spec->sni_port) < 0) {
return NULL;
}
}
if (asprintf(&s, "[%s]:%s %s%s%s %s", lhbuf, lpbuf,
(spec->ssl ? "ssl" : "tcp"),
(spec->upgrade ? "|upgrade" : ""),
(spec->http ? "|http" : ""),
(spec->natengine ? spec->natengine : cbuf)) < 0) {
s = NULL;
}
free(lhbuf);
free(lpbuf);
if (cbuf)
free(cbuf);
return s;
}
void
opts_set_cacrt(opts_t *opts, const char *argv0, const char *optarg)
{
if (opts->cacrt)
X509_free(opts->cacrt);
opts->cacrt = ssl_x509_load(optarg);
if (!opts->cacrt) {
fprintf(stderr, "%s: error loading CA cert from '%s':\n",
argv0, optarg);
if (errno) {
fprintf(stderr, "%s\n", strerror(errno));
} else {
ERR_print_errors_fp(stderr);
}
exit(EXIT_FAILURE);
}
ssl_x509_refcount_inc(opts->cacrt);
sk_X509_insert(opts->cachain, opts->cacrt, 0);
if (!opts->cakey) {
opts->cakey = ssl_key_load(optarg);
}
#ifndef OPENSSL_NO_DH
if (!opts->dh) {
opts->dh = ssl_dh_load(optarg);
}
#endif /* !OPENSSL_NO_DH */
#ifdef DEBUG_OPTS
log_dbg_printf("CACert: %s\n", optarg);
#endif /* DEBUG_OPTS */
}
void
opts_set_cakey(opts_t *opts, const char *argv0, const char *optarg)
{
if (opts->cakey)
EVP_PKEY_free(opts->cakey);
opts->cakey = ssl_key_load(optarg);
if (!opts->cakey) {
fprintf(stderr, "%s: error loading CA key from '%s':\n",
argv0, optarg);
if (errno) {
fprintf(stderr, "%s\n", strerror(errno));
} else {
ERR_print_errors_fp(stderr);
}
exit(EXIT_FAILURE);
}
if (!opts->cacrt) {
opts->cacrt = ssl_x509_load(optarg);
if (opts->cacrt) {
ssl_x509_refcount_inc(opts->cacrt);
sk_X509_insert(opts->cachain, opts->cacrt, 0);
}
}
#ifndef OPENSSL_NO_DH
if (!opts->dh) {
opts->dh = ssl_dh_load(optarg);
}
#endif /* !OPENSSL_NO_DH */
#ifdef DEBUG_OPTS
log_dbg_printf("CAKey: %s\n", optarg);
#endif /* DEBUG_OPTS */
}
void
opts_set_cachain(opts_t *opts, const char *argv0, const char *optarg)
{
if (ssl_x509chain_load(NULL, &opts->cachain, optarg) == -1) {
fprintf(stderr, "%s: error loading CA chain from '%s':\n",
argv0, optarg);
if (errno) {
fprintf(stderr, "%s\n", strerror(errno));
} else {
ERR_print_errors_fp(stderr);
}
exit(EXIT_FAILURE);
}
#ifdef DEBUG_OPTS
log_dbg_printf("CAChain: %s\n", optarg);
#endif /* DEBUG_OPTS */
}
void
opts_set_leafkey(opts_t *opts, const char *argv0, const char *optarg)
{
if (opts->leafkey)
EVP_PKEY_free(opts->leafkey);
opts->leafkey = ssl_key_load(optarg);
if (!opts->leafkey) {
fprintf(stderr, "%s: error loading leaf key from '%s':\n",
argv0, optarg);
if (errno) {
fprintf(stderr, "%s\n", strerror(errno));
} else {
ERR_print_errors_fp(stderr);
}
exit(EXIT_FAILURE);
}
#ifndef OPENSSL_NO_DH
if (!opts->dh) {
opts->dh = ssl_dh_load(optarg);
}
#endif /* !OPENSSL_NO_DH */
#ifdef DEBUG_OPTS
log_dbg_printf("LeafKey: %s\n", optarg);
#endif /* DEBUG_OPTS */
}
void
opts_set_leafcrlurl(opts_t *opts, const char *optarg)
{
if (opts->leafcrlurl)
free(opts->leafcrlurl);
opts->leafcrlurl = strdup(optarg);
#ifdef DEBUG_OPTS
log_dbg_printf("LeafCRLURL: %s\n", opts->leafcrlurl);
#endif /* DEBUG_OPTS */
}
void
opts_set_leafcertdir(opts_t *opts, const char *argv0, const char *optarg)
{
if (!sys_isdir(optarg)) {
fprintf(stderr, "%s: '%s' is not a directory\n",
argv0, optarg);
exit(EXIT_FAILURE);
}
if (opts->leafcertdir)
free(opts->leafcertdir);
opts->leafcertdir = strdup(optarg);
if (!opts->leafcertdir)
oom_die(argv0);
#ifdef DEBUG_OPTS
log_dbg_printf("LeafCertDir: %s\n", opts->leafcertdir);
#endif /* DEBUG_OPTS */
}
void
opts_set_defaultleafcert(opts_t *opts, const char *argv0, const char *optarg)
{
if (opts->defaultleafcert)
cert_free(opts->defaultleafcert);
opts->defaultleafcert = opts_load_cert_chain_key(optarg);
if (!opts->defaultleafcert) {
fprintf(stderr, "%s: error loading default leaf cert/chain/key"
" from '%s':\n", argv0, optarg);
if (errno) {
fprintf(stderr, "%s\n", strerror(errno));
} else {
ERR_print_errors_fp(stderr);
}
exit(EXIT_FAILURE);
}
#ifdef DEBUG_OPTS
log_dbg_printf("DefaultLeafCert: %s\n", optarg);
#endif /* DEBUG_OPTS */
}
static void
set_certgendir(opts_t *opts, const char *argv0, const char *optarg)
{
if (opts->certgendir)
free(opts->certgendir);
opts->certgendir = strdup(optarg);
if (!opts->certgendir)