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Version bump

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Hakase
2018-04-27 20:47:40 +09:00
parent 6aa2bc2941
commit a08448ab40
304 changed files with 7574 additions and 2162 deletions
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apps/ocsp.c
+322 -55
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@@ -26,6 +26,7 @@ NON_EMPTY_TRANSLATION_UNIT
/* Needs to be included before the openssl headers */
# include "apps.h"
# include "progs.h"
# include "internal/sockets.h"
# include <openssl/e_os2.h>
# include <openssl/crypto.h>
# include <openssl/err.h>
@@ -33,6 +34,23 @@ NON_EMPTY_TRANSLATION_UNIT
# include <openssl/evp.h>
# include <openssl/bn.h>
# include <openssl/x509v3.h>
# include <openssl/rand.h>
# if defined(OPENSSL_SYS_UNIX) && !defined(OPENSSL_NO_SOCK)
# define OCSP_DAEMON
# include <sys/types.h>
# include <sys/wait.h>
# include <syslog.h>
# include <signal.h>
# define MAXERRLEN 1000 /* limit error text sent to syslog to 1000 bytes */
# else
# undef LOG_INFO
# undef LOG_WARNING
# undef LOG_ERR
# define LOG_INFO 0
# define LOG_WARNING 1
# define LOG_ERR 2
# endif
/* Maximum leeway in validity period: default 5 minutes */
# define MAX_VALIDITY_PERIOD (5 * 60)
@@ -56,8 +74,19 @@ static void make_ocsp_response(BIO *err, OCSP_RESPONSE **resp, OCSP_REQUEST *req
static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser);
static BIO *init_responder(const char *port);
static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio);
static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio, int timeout);
static int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp);
static void log_message(int level, const char *fmt, ...);
static char *prog;
static int multi = 0;
# ifdef OCSP_DAEMON
static int acfd = (int) INVALID_SOCKET;
static int index_changed(CA_DB *);
static void spawn_loop(void);
static int print_syslog(const char *str, size_t len, void *levPtr);
static void sock_timeout(int signum);
# endif
# ifndef OPENSSL_NO_SOCK
static OCSP_RESPONSE *query_responder(BIO *cbio, const char *host,
@@ -81,7 +110,8 @@ typedef enum OPTION_choice {
OPT_INDEX, OPT_CA, OPT_NMIN, OPT_REQUEST, OPT_NDAYS, OPT_RSIGNER,
OPT_RKEY, OPT_ROTHER, OPT_RMD, OPT_RSIGOPT, OPT_HEADER,
OPT_V_ENUM,
OPT_MD
OPT_MD,
OPT_MULTI
} OPTION_CHOICE;
const OPTIONS ocsp_options[] = {
@@ -101,6 +131,9 @@ const OPTIONS ocsp_options[] = {
"Don't include any certificates in response"},
{"resp_key_id", OPT_RESP_KEY_ID, '-',
"Identify response by signing certificate key ID"},
# ifdef OCSP_DAEMON
{"multi", OPT_MULTI, 'p', "run multiple responder processes"},
# endif
{"no_certs", OPT_NO_CERTS, '-',
"Don't include any certificates in signed request"},
{"no_signature_verify", OPT_NO_SIGNATURE_VERIFY, '-',
@@ -197,13 +230,10 @@ int ocsp_main(int argc, char **argv)
int accept_count = -1, add_nonce = 1, noverify = 0, use_ssl = -1;
int vpmtouched = 0, badsig = 0, i, ignore_err = 0, nmin = 0, ndays = -1;
int req_text = 0, resp_text = 0, ret = 1;
#ifndef OPENSSL_NO_SOCK
int req_timeout = -1;
#endif
long nsec = MAX_VALIDITY_PERIOD, maxage = -1;
unsigned long sign_flags = 0, verify_flags = 0, rflags = 0;
OPTION_CHOICE o;
char *prog;
reqnames = sk_OPENSSL_STRING_new_null();
if (reqnames == NULL)
@@ -451,9 +481,13 @@ int ocsp_main(int argc, char **argv)
goto opthelp;
trailing_md = 1;
break;
case OPT_MULTI:
# ifdef OCSP_DAEMON
multi = atoi(opt_arg());
# endif
break;
}
}
if (trailing_md) {
BIO_printf(bio_err, "%s: Digest must be before -cert or -serial\n",
prog);
@@ -464,7 +498,7 @@ int ocsp_main(int argc, char **argv)
goto opthelp;
/* Have we anything to do? */
if (req == NULL&& reqin == NULL
if (req == NULL && reqin == NULL
&& respin == NULL && !(port != NULL && ridx_filename != NULL))
goto opthelp;
@@ -514,14 +548,53 @@ int ocsp_main(int argc, char **argv)
if (rkey == NULL)
goto end;
}
if (ridx_filename != NULL
&& (rkey != NULL || rsigner != NULL || rca_cert != NULL)) {
BIO_printf(bio_err,
"Responder mode requires certificate, key, and CA.\n");
goto end;
}
if (ridx_filename != NULL) {
rdb = load_index(ridx_filename, NULL);
if (rdb == NULL || !index_index(rdb)) {
ret = 1;
goto end;
}
}
# ifdef OCSP_DAEMON
if (multi && acbio != NULL)
spawn_loop();
if (acbio != NULL && req_timeout > 0)
signal(SIGALRM, sock_timeout);
#endif
if (acbio != NULL)
BIO_printf(bio_err, "Waiting for OCSP client connections...\n");
log_message(LOG_INFO, "waiting for OCSP client connections...");
redo_accept:
if (acbio != NULL) {
if (!do_responder(&req, &cbio, acbio))
goto end;
# ifdef OCSP_DAEMON
if (index_changed(rdb)) {
CA_DB *newrdb = load_index(ridx_filename, NULL);
if (newrdb != NULL) {
free_index(rdb);
rdb = newrdb;
} else {
log_message(LOG_ERR, "error reloading updated index: %s",
ridx_filename);
}
}
# endif
req = NULL;
if (!do_responder(&req, &cbio, acbio, req_timeout))
goto redo_accept;
if (req == NULL) {
resp =
OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST,
@@ -577,21 +650,6 @@ redo_accept:
BIO_free(derbio);
}
if (ridx_filename != NULL
&& (rkey == NULL || rsigner == NULL || rca_cert == NULL)) {
BIO_printf(bio_err,
"Need a responder certificate, key and CA for this operation!\n");
goto end;
}
if (ridx_filename != NULL && rdb == NULL) {
rdb = load_index(ridx_filename, NULL);
if (rdb == NULL)
goto end;
if (!index_index(rdb))
goto end;
}
if (rdb != NULL) {
make_ocsp_response(bio_err, &resp, req, rdb, rca_cert, rsigner, rkey,
rsign_md, rsign_sigopts, rother, rflags, nmin, ndays, badsig);
@@ -637,10 +695,10 @@ redo_accept:
if (i != OCSP_RESPONSE_STATUS_SUCCESSFUL) {
BIO_printf(out, "Responder Error: %s (%d)\n",
OCSP_response_status_str(i), i);
if (ignore_err)
goto redo_accept;
ret = 0;
goto end;
if (!ignore_err) {
ret = 0;
goto end;
}
}
if (resp_text)
@@ -746,6 +804,180 @@ redo_accept:
return ret;
}
static void
log_message(int level, const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
# ifdef OCSP_DAEMON
if (multi) {
vsyslog(level, fmt, ap);
if (level >= LOG_ERR)
ERR_print_errors_cb(print_syslog, &level);
}
# endif
if (!multi) {
BIO_printf(bio_err, "%s: ", prog);
BIO_vprintf(bio_err, fmt, ap);
BIO_printf(bio_err, "\n");
}
va_end(ap);
}
# ifdef OCSP_DAEMON
static int print_syslog(const char *str, size_t len, void *levPtr)
{
int level = *(int *)levPtr;
int ilen = (len > MAXERRLEN) ? MAXERRLEN : len;
syslog(level, "%.*s", ilen, str);
return ilen;
}
static int index_changed(CA_DB *rdb)
{
struct stat sb;
if (rdb != NULL && stat(rdb->dbfname, &sb) != -1) {
if (rdb->dbst.st_mtime != sb.st_mtime
|| rdb->dbst.st_ctime != sb.st_ctime
|| rdb->dbst.st_ino != sb.st_ino
|| rdb->dbst.st_dev != sb.st_dev) {
syslog(LOG_INFO, "index file changed, reloading");
return 1;
}
}
return 0;
}
static void killall(int ret, pid_t *kidpids)
{
int i;
for (i = 0; i < multi; ++i)
if (kidpids[i] != 0)
(void)kill(kidpids[i], SIGTERM);
sleep(1);
exit(ret);
}
static int termsig = 0;
static void noteterm (int sig)
{
termsig = sig;
}
/*
* Loop spawning up to `multi` child processes, only child processes return
* from this function. The parent process loops until receiving a termination
* signal, kills extant children and exits without returning.
*/
static void spawn_loop(void)
{
const char *signame;
pid_t *kidpids = NULL;
int status;
int procs = 0;
int i;
openlog(prog, LOG_PID, LOG_DAEMON);
if (setpgid(0, 0)) {
syslog(LOG_ERR, "fatal: error detaching from parent process group: %s",
strerror(errno));
exit(1);
}
kidpids = app_malloc(multi * sizeof(*kidpids), "child PID array");
for (i = 0; i < multi; ++i)
kidpids[i] = 0;
signal(SIGINT, noteterm);
signal(SIGTERM, noteterm);
while (termsig == 0) {
pid_t fpid;
/*
* Wait for a child to replace when we're at the limit.
* Slow down if a child exited abnormally or waitpid() < 0
*/
while (termsig == 0 && procs >= multi) {
if ((fpid = waitpid(-1, &status, 0)) > 0) {
for (i = 0; i < procs; ++i) {
if (kidpids[i] == fpid) {
kidpids[i] = 0;
--procs;
break;
}
}
if (i >= multi) {
syslog(LOG_ERR, "fatal: internal error: "
"no matching child slot for pid: %ld",
(long) fpid);
killall(1, kidpids);
}
if (status != 0) {
if (WIFEXITED(status))
syslog(LOG_WARNING, "child process: %ld, exit status: %d",
(long)fpid, WEXITSTATUS(status));
else if (WIFSIGNALED(status))
syslog(LOG_WARNING, "child process: %ld, term signal %d%s",
(long)fpid, WTERMSIG(status),
WCOREDUMP(status) ? " (core dumped)" : "");
sleep(1);
}
break;
} else if (errno != EINTR) {
syslog(LOG_ERR, "fatal: waitpid(): %s", strerror(errno));
killall(1, kidpids);
}
}
if (termsig)
break;
switch(fpid = fork()) {
case -1: /* error */
/* System critically low on memory, pause and try again later */
sleep(30);
break;
case 0: /* child */
signal(SIGINT, SIG_DFL);
signal(SIGTERM, SIG_DFL);
if (termsig)
_exit(0);
if (RAND_poll() <= 0) {
syslog(LOG_ERR, "fatal: RAND_poll() failed");
_exit(1);
}
return;
default: /* parent */
for (i = 0; i < multi; ++i) {
if (kidpids[i] == 0) {
kidpids[i] = fpid;
procs++;
break;
}
}
if (i >= multi) {
syslog(LOG_ERR, "fatal: internal error: no free child slots");
killall(1, kidpids);
}
break;
}
}
/* The loop above can only break on termsig */
signame = strsignal(termsig);
syslog(LOG_INFO, "terminating on signal: %s(%d)",
signame ? signame : "", termsig);
killall(0, kidpids);
}
# endif
static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert,
const EVP_MD *cert_id_md, X509 *issuer,
STACK_OF(OCSP_CERTID) *ids)
@@ -1035,16 +1267,14 @@ static BIO *init_responder(const char *port)
if (acbio == NULL
|| BIO_set_bind_mode(acbio, BIO_BIND_REUSEADDR) < 0
|| BIO_set_accept_port(acbio, port) < 0) {
BIO_printf(bio_err, "Error setting up accept BIO\n");
ERR_print_errors(bio_err);
log_message(LOG_ERR, "Error setting up accept BIO");
goto err;
}
BIO_set_accept_bios(acbio, bufbio);
bufbio = NULL;
if (BIO_do_accept(acbio) <= 0) {
BIO_printf(bio_err, "Error starting accept\n");
ERR_print_errors(bio_err);
log_message(LOG_ERR, "Error starting accept");
goto err;
}
@@ -1083,7 +1313,16 @@ static int urldecode(char *p)
}
# endif
static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio)
# ifdef OCSP_DAEMON
static void sock_timeout(int signum)
{
if (acfd != (int)INVALID_SOCKET)
(void)shutdown(acfd, SHUT_RD);
}
# endif
static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio,
int timeout)
{
# ifdef OPENSSL_NO_SOCK
return 0;
@@ -1093,27 +1332,37 @@ static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio)
char inbuf[2048], reqbuf[2048];
char *p, *q;
BIO *cbio = NULL, *getbio = NULL, *b64 = NULL;
const char *client;
if (BIO_do_accept(acbio) <= 0) {
BIO_printf(bio_err, "Error accepting connection\n");
ERR_print_errors(bio_err);
*preq = NULL;
/* Connection loss before accept() is routine, ignore silently */
if (BIO_do_accept(acbio) <= 0)
return 0;
}
cbio = BIO_pop(acbio);
*pcbio = cbio;
client = BIO_get_peer_name(cbio);
# ifdef OCSP_DAEMON
if (timeout > 0) {
(void) BIO_get_fd(cbio, &acfd);
alarm(timeout);
}
# endif
/* Read the request line. */
len = BIO_gets(cbio, reqbuf, sizeof(reqbuf));
if (len <= 0)
return 1;
goto out;
if (strncmp(reqbuf, "GET ", 4) == 0) {
/* Expecting GET {sp} /URL {sp} HTTP/1.x */
for (p = reqbuf + 4; *p == ' '; ++p)
continue;
if (*p != '/') {
BIO_printf(bio_err, "Invalid request -- bad URL\n");
return 1;
log_message(LOG_INFO, "Invalid request -- bad URL: %s", client);
goto out;
}
p++;
@@ -1122,37 +1371,51 @@ static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio)
if (*q == ' ')
break;
if (strncmp(q, " HTTP/1.", 8) != 0) {
BIO_printf(bio_err, "Invalid request -- bad HTTP version\n");
return 1;
log_message(LOG_INFO,
"Invalid request -- bad HTTP version: %s", client);
goto out;
}
*q = '\0';
/*
* Skip "GET / HTTP..." requests often used by load-balancers
*/
if (p[1] == '\0')
goto out;
len = urldecode(p);
if (len <= 0) {
BIO_printf(bio_err, "Invalid request -- bad URL encoding\n");
return 1;
log_message(LOG_INFO,
"Invalid request -- bad URL encoding: %s", client);
goto out;
}
if ((getbio = BIO_new_mem_buf(p, len)) == NULL
|| (b64 = BIO_new(BIO_f_base64())) == NULL) {
BIO_printf(bio_err, "Could not allocate memory\n");
ERR_print_errors(bio_err);
return 1;
log_message(LOG_ERR, "Could not allocate base64 bio: %s", client);
goto out;
}
BIO_set_flags(b64, BIO_FLAGS_BASE64_NO_NL);
getbio = BIO_push(b64, getbio);
} else if (strncmp(reqbuf, "POST ", 5) != 0) {
BIO_printf(bio_err, "Invalid request -- bad HTTP verb\n");
return 1;
log_message(LOG_INFO, "Invalid request -- bad HTTP verb: %s", client);
goto out;
}
/* Read and skip past the headers. */
for (;;) {
len = BIO_gets(cbio, inbuf, sizeof(inbuf));
if (len <= 0)
return 1;
goto out;
if ((inbuf[0] == '\r') || (inbuf[0] == '\n'))
break;
}
# ifdef OCSP_DAEMON
/* Clear alarm before we close the client socket */
alarm(0);
timeout = 0;
# endif
/* Try to read OCSP request */
if (getbio != NULL) {
req = d2i_OCSP_REQUEST_bio(getbio, NULL);
@@ -1161,13 +1424,17 @@ static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio)
req = d2i_OCSP_REQUEST_bio(cbio, NULL);
}
if (req == NULL) {
BIO_printf(bio_err, "Error parsing OCSP request\n");
ERR_print_errors(bio_err);
}
if (req == NULL)
log_message(LOG_ERR, "Error parsing OCSP request");
*preq = req;
out:
# ifdef OCSP_DAEMON
if (timeout > 0)
alarm(0);
acfd = (int)INVALID_SOCKET;
# endif
return 1;
# endif
}