Imported Upstream version 2.7.1

This commit is contained in:
Laurent Bigonville 2013-11-24 16:00:12 +01:00
parent a1fa151fc7
commit 0121794af9
451 changed files with 41339 additions and 10887 deletions

View file

@ -21,6 +21,11 @@
#include "config.h" /* safe because it doesn't contain prototypes */
#ifdef HAVE_PTHREAD
/* this include is needed on AIX to have errno stored in thread local storage */
#include <pthread.h>
#endif
#include <errno.h>
#include <netdb.h>
#include <stdio.h>
@ -33,8 +38,18 @@
#include <fcntl.h>
#include "upsclient.h"
#include "common.h"
#include "timehead.h"
#ifdef WITH_NSS
#include <prerror.h>
#include <prinit.h>
#include <pk11func.h>
#include <prtypes.h>
#include <ssl.h>
#include <private/pprio.h>
#endif /* WITH_NSS */
#define UPSCLIENT_MAGIC 0x19980308
#define SMALLBUF 512
@ -95,9 +110,354 @@ struct {
{ 0, "Protocol error", }, /* 42: UPSCLI_ERR_PROTOCOL */
};
typedef struct HOST_CERT_s {
const char *host;
const char *certname;
int certverify;
int forcessl;
struct HOST_CERT_s *next;
} HOST_CERT_t;
static HOST_CERT_t* upscli_find_host_cert(const char* hostname);
static int upscli_initialized = 0;
#ifdef WITH_OPENSSL
static SSL_CTX *ssl_ctx;
#elif defined(WITH_NSS) /* WITH_OPENSLL */
static int verify_certificate = 1;
static HOST_CERT_t *first_host_cert = NULL;
static char* nsscertname = NULL;
static char* nsscertpasswd = NULL;
#endif /* WITH_OPENSSL | WITH_NSS */
#ifdef WITH_OPENSSL
static void ssl_debug(void)
{
int e;
char errmsg[SMALLBUF];
while ((e = ERR_get_error()) != 0) {
ERR_error_string_n(e, errmsg, sizeof(errmsg));
upsdebugx(2, "ssl_debug: %s", errmsg);
}
}
static int ssl_error(SSL *ssl, int ret)
{
int e;
e = SSL_get_error(ssl, ret);
switch (e)
{
case SSL_ERROR_WANT_READ:
upslogx(LOG_ERR, "ssl_error() ret=%d SSL_ERROR_WANT_READ", ret);
break;
case SSL_ERROR_WANT_WRITE:
upslogx(LOG_ERR, "ssl_error() ret=%d SSL_ERROR_WANT_WRITE", ret);
break;
case SSL_ERROR_SYSCALL:
if (ret == 0 && ERR_peek_error() == 0) {
upslogx(LOG_ERR, "ssl_error() EOF from client");
} else {
upslogx(LOG_ERR, "ssl_error() ret=%d SSL_ERROR_SYSCALL", ret);
}
break;
default:
upslogx(LOG_ERR, "ssl_error() ret=%d SSL_ERROR %d", ret, e);
ssl_debug();
}
return -1;
}
#elif defined(WITH_NSS) /* WITH_OPENSSL */
static char *nss_password_callback(PK11SlotInfo *slot, PRBool retry,
void *arg)
{
upslogx(LOG_INFO, "Intend to retrieve password for %s / %s: password %sconfigured",
PK11_GetSlotName(slot), PK11_GetTokenName(slot), nsscertpasswd?"":"not ");
return nsscertpasswd ? PL_strdup(nsscertpasswd) : NULL;
}
static void nss_error(const char* funcname)
{
char buffer[SMALLBUF];
PRInt32 length = PR_GetErrorText(buffer);
if (length > 0 && length < SMALLBUF) {
upsdebugx(1, "nss_error %ld in %s : %s", (long)PR_GetError(), funcname, buffer);
}else{
upsdebugx(1, "nss_error %ld in %s", (long)PR_GetError(), funcname);
}
}
static SECStatus AuthCertificate(CERTCertDBHandle *arg, PRFileDesc *fd,
PRBool checksig, PRBool isServer)
{
UPSCONN_t *ups = (UPSCONN_t *)SSL_RevealPinArg(fd);
SECStatus status = SSL_AuthCertificate(arg, fd, checksig, isServer);
upslogx(LOG_INFO, "Intend to authenticate server %s : %s",
ups?ups->host:"<unnamed>",
status==SECSuccess?"SUCCESS":"FAILED");
if (status != SECSuccess) {
nss_error("SSL_AuthCertificate");
}
return status;
}
static SECStatus AuthCertificateDontVerify(CERTCertDBHandle *arg, PRFileDesc *fd,
PRBool checksig, PRBool isServer)
{
UPSCONN_t *ups = (UPSCONN_t *)SSL_RevealPinArg(fd);
upslogx(LOG_INFO, "Do not intend to authenticate server %s",
ups?ups->host:"<unnamed>");
return SECSuccess;
}
static SECStatus BadCertHandler(UPSCONN_t *arg, PRFileDesc *fd)
{
HOST_CERT_t* cert;
upslogx(LOG_WARNING, "Certificate validation failed for %s",
(arg&&arg->host)?arg->host:"<unnamed>");
/* BadCertHandler is called when the NSS certificate validation is failed.
* If the certificate verification (user conf) is mandatory, reject authentication
* else accept it.
*/
cert = upscli_find_host_cert(arg->host);
if (cert != NULL) {
return cert->certverify==0 ? SECSuccess : SECFailure;
} else {
return verify_certificate==0 ? SECSuccess : SECFailure;
}
}
static SECStatus GetClientAuthData(UPSCONN_t *arg, PRFileDesc *fd,
CERTDistNames *caNames, CERTCertificate **pRetCert, SECKEYPrivateKey **pRetKey)
{
CERTCertificate *cert;
SECKEYPrivateKey *privKey;
SECStatus status = NSS_GetClientAuthData(arg, fd, caNames, pRetCert, pRetKey);
if (status == SECFailure) {
if (nsscertname != NULL) {
cert = PK11_FindCertFromNickname(nsscertname, NULL);
if(cert==NULL) {
upslogx(LOG_ERR, "Can not find self-certificate");
nss_error("GetClientAuthData / PK11_FindCertFromNickname");
}else{
privKey = PK11_FindKeyByAnyCert(cert, NULL);
if(privKey==NULL){
upslogx(LOG_ERR, "Can not find private key related to self-certificate");
nss_error("GetClientAuthData / PK11_FindKeyByAnyCert");
}else{
*pRetCert = cert;
*pRetKey = privKey;
status = SECSuccess;
}
}
} else {
upslogx(LOG_ERR, "Self-certificate name not configured");
}
}
return status;
}
static void HandshakeCallback(PRFileDesc *fd, UPSCONN_t *client_data)
{
upslogx(LOG_INFO, "SSL handshake done successfully with server %s",
client_data->host);
}
#endif /* WITH_OPENSSL | WITH_NSS */
int upscli_init(int certverify, const char *certpath,
const char *certname, const char *certpasswd)
{
#ifdef WITH_OPENSSL
int ret, ssl_mode = SSL_VERIFY_NONE;
#if OPENSSL_VERSION_NUMBER >= 0x10000000L
const SSL_METHOD *ssl_method;
#else
SSL_METHOD *ssl_method;
#endif
#elif defined(WITH_NSS) /* WITH_OPENSSL */
SECStatus status;
#endif /* WITH_OPENSSL | WITH_NSS */
if (upscli_initialized == 1) {
upslogx(LOG_WARNING, "upscli already initialized");
return -1;
}
#ifdef WITH_OPENSSL
SSL_library_init();
SSL_load_error_strings();
ssl_method = TLSv1_client_method();
if (!ssl_method) {
return 0;
}
ssl_ctx = SSL_CTX_new(ssl_method);
if (!ssl_ctx) {
upslogx(LOG_ERR, "Can not initialize SSL context");
return -1;
}
if (!certpath) {
if (certverify == 1) {
upslogx(LOG_ERR, "Can not verify certificate if any is specified");
return -1; /* Failed : cert is mandatory but no certfile */
}
} else {
switch(certverify) {
case 0:
ssl_mode = SSL_VERIFY_NONE;
break;
default:
ssl_mode = SSL_VERIFY_PEER;
break;
}
ret = SSL_CTX_load_verify_locations(ssl_ctx, NULL, certpath);
if (ret != 1) {
upslogx(LOG_ERR, "Failed to load certificate from pemfile %s", certpath);
return -1;
}
SSL_CTX_set_verify(ssl_ctx, ssl_mode, NULL);
}
#elif defined(WITH_NSS) /* WITH_OPENSSL */
PR_Init(PR_USER_THREAD, PR_PRIORITY_NORMAL, 0);
PK11_SetPasswordFunc(nss_password_callback);
if (certpath) {
upslogx(LOG_INFO, "Init SSL with cerificate database located at %s", certpath);
status = NSS_Init(certpath);
} else {
upslogx(LOG_NOTICE, "Init SSL without certificate database");
status = NSS_NoDB_Init(NULL);
}
if (status != SECSuccess) {
upslogx(LOG_ERR, "Can not initialize SSL context");
nss_error("upscli_init / NSS_[NoDB]_Init");
return -1;
}
status = NSS_SetDomesticPolicy();
if (status != SECSuccess) {
upslogx(LOG_ERR, "Can not initialize SSL policy");
nss_error("upscli_init / NSS_SetDomesticPolicy");
return -1;
}
SSL_ClearSessionCache();
status = SSL_OptionSetDefault(SSL_ENABLE_SSL3, PR_TRUE);
if (status != SECSuccess) {
upslogx(LOG_ERR, "Can not enable SSLv3");
nss_error("upscli_init / SSL_OptionSetDefault(SSL_ENABLE_SSL3)");
return -1;
}
status = SSL_OptionSetDefault(SSL_ENABLE_TLS, PR_TRUE);
if (status != SECSuccess) {
upslogx(LOG_ERR, "Can not enable TLSv1");
nss_error("upscli_init / SSL_OptionSetDefault(SSL_ENABLE_TLS)");
return -1;
}
status = SSL_OptionSetDefault(SSL_V2_COMPATIBLE_HELLO, PR_FALSE);
if (status != SECSuccess) {
upslogx(LOG_ERR, "Can not disable SSLv2 hello compatibility");
nss_error("upscli_init / SSL_OptionSetDefault(SSL_V2_COMPATIBLE_HELLO)");
return -1;
}
if (certname) {
nsscertname = xstrdup(certname);
}
if (certpasswd) {
nsscertpasswd = xstrdup(certpasswd);
}
verify_certificate = certverify;
#endif /* WITH_OPENSSL | WITH_NSS */
upscli_initialized = 1;
return 1;
}
void upscli_add_host_cert(const char* hostname, const char* certname, int certverify, int forcessl)
{
#ifdef WITH_NSS
HOST_CERT_t* cert = xmalloc(sizeof(HOST_CERT_t));
cert->next = first_host_cert;
cert->host = xstrdup(hostname);
cert->certname = xstrdup(certname);
cert->certverify = certverify;
cert->forcessl = forcessl;
first_host_cert = cert;
#endif /* WITH_NSS */
}
static HOST_CERT_t* upscli_find_host_cert(const char* hostname)
{
#ifdef WITH_NSS
HOST_CERT_t* cert = first_host_cert;
if (hostname != NULL) {
while (cert != NULL) {
if (cert->host != NULL && strcmp(cert->host, hostname)==0 ) {
return cert;
}
cert = cert->next;
}
}
#endif /* WITH_NSS */
return NULL;
}
int upscli_cleanup()
{
#ifdef WITH_OPENSSL
if (ssl_ctx) {
SSL_CTX_free(ssl_ctx);
ssl_ctx = NULL;
}
#endif /* WITH_OPENSSL */
#ifdef WITH_NSS
/* Called to force cache clearing to prevent NSS shutdown failures.
* http://www.mozilla.org/projects/security/pki/nss/ref/ssl/sslfnc.html#1138601
*/
SSL_ClearSessionCache();
NSS_Shutdown();
PR_Cleanup();
/* Called to release memory arena used by NSS/NSPR.
* Prevent to show all PL_ArenaAllocate mem alloc as leaks.
* https://developer.mozilla.org/en/NSS_Memory_allocation
*/
PL_ArenaFinish();
#endif /* WITH_NSS */
upscli_initialized = 0;
return 1;
}
const char *upscli_strerror(UPSCONN_t *ups)
{
#ifdef HAVE_SSL
#ifdef WITH_OPENSSL
unsigned long err;
char sslbuf[UPSCLI_ERRBUF_LEN];
#endif
@ -126,7 +486,7 @@ const char *upscli_strerror(UPSCONN_t *ups)
return ups->errbuf;
case 2: /* SSL error */
#ifdef HAVE_SSL
#ifdef WITH_OPENSSL
err = ERR_get_error();
if (err) {
ERR_error_string(err, sslbuf);
@ -138,10 +498,18 @@ const char *upscli_strerror(UPSCONN_t *ups)
upscli_errlist[ups->upserror].str,
"peer disconnected");
}
#elif defined(WITH_NSS) /* WITH_OPENSSL */
if (PR_GetErrorTextLength() < UPSCLI_ERRBUF_LEN) {
PR_GetErrorText(ups->errbuf);
} else {
snprintf(ups->errbuf, UPSCLI_ERRBUF_LEN,
"SSL error #%ld, message too long to be displayed",
(long)PR_GetError());
}
#else
snprintf(ups->errbuf, UPSCLI_ERRBUF_LEN,
"SSL error, but SSL wasn't enabled at compile-time");
#endif /* HAVE_SSL */
#endif /* WITH_OPENSSL | WITH_NSS */
return ups->errbuf;
case 3: /* parsing (parseconf) error */
@ -162,7 +530,7 @@ const char *upscli_strerror(UPSCONN_t *ups)
/* Read up to buflen bytes from fd and return the number of bytes
read. If no data is available within d_sec + d_usec, return 0.
On error, a value < 0 is returned (errno indicates error). */
static int select_read(const int fd, void *buf, const size_t buflen, const long d_sec, const long d_usec)
static int upscli_select_read(const int fd, void *buf, const size_t buflen, const long d_sec, const long d_usec)
{
int ret;
fd_set fds;
@ -188,9 +556,13 @@ static int net_read(UPSCONN_t *ups, char *buf, size_t buflen)
{
int ret;
#ifdef HAVE_SSL
#ifdef WITH_SSL
if (ups->ssl) {
#ifdef WITH_OPENSSL
ret = SSL_read(ups->ssl, buf, buflen);
#elif defined(WITH_NSS) /* WITH_OPENSSL */
ret = PR_Read(ups->ssl, buf, buflen);
#endif /* WITH_OPENSSL | WITH_NSS*/
if (ret < 1) {
ups->upserror = UPSCLI_ERR_SSLERR;
@ -200,7 +572,7 @@ static int net_read(UPSCONN_t *ups, char *buf, size_t buflen)
}
#endif
ret = select_read(ups->fd, buf, buflen, 5, 0);
ret = upscli_select_read(ups->fd, buf, buflen, 5, 0);
/* error reading data, server disconnected? */
if (ret < 0) {
@ -219,7 +591,7 @@ static int net_read(UPSCONN_t *ups, char *buf, size_t buflen)
/* Write up to buflen bytes to fd and return the number of bytes
written. If no data is available within d_sec + d_usec, return 0.
On error, a value < 0 is returned (errno indicates error). */
static int select_write(const int fd, const void *buf, const size_t buflen, const long d_sec, const long d_usec)
static int upscli_select_write(const int fd, const void *buf, const size_t buflen, const long d_sec, const long d_usec)
{
int ret;
fd_set fds;
@ -245,9 +617,13 @@ static int net_write(UPSCONN_t *ups, const char *buf, size_t buflen)
{
int ret;
#ifdef HAVE_SSL
#ifdef WITH_SSL
if (ups->ssl) {
#ifdef WITH_OPENSSL
ret = SSL_write(ups->ssl, buf, buflen);
#elif defined(WITH_NSS) /* WITH_OPENSSL */
ret = PR_Write(ups->ssl, buf, buflen);
#endif /* WITH_OPENSSL | WITH_NSS */
if (ret < 1) {
ups->upserror = UPSCLI_ERR_SSLERR;
@ -257,7 +633,7 @@ static int net_write(UPSCONN_t *ups, const char *buf, size_t buflen)
}
#endif
ret = select_write(ups->fd, buf, buflen, 0, 0);
ret = upscli_select_write(ups->fd, buf, buflen, 0, 0);
/* error writing data, server disconnected? */
if (ret < 0) {
@ -273,39 +649,34 @@ static int net_write(UPSCONN_t *ups, const char *buf, size_t buflen)
return ret;
}
/* stub first */
#ifndef HAVE_SSL
static int upscli_sslinit(UPSCONN_t *ups)
#ifdef WITH_SSL
/*
* 1 : OK
* -1 : ERROR
* 0 : SSL NOT SUPPORTED
*/
static int upscli_sslinit(UPSCONN_t *ups, int verifycert)
{
return 0; /* not supported */
}
int upscli_sslcert(UPSCONN_t *ups, const char *dir, const char *file, int verify)
{
if (!ups) {
return -1;
}
/* if forcing the verification, this fails since we have no SSL */
if (verify == 1) {
ups->upserror = UPSCLI_ERR_SSLFAIL;
return -1;
}
return 0; /* not supported */
}
#else
static int upscli_sslinit(UPSCONN_t *ups)
{
#if OPENSSL_VERSION_NUMBER >= 0x10000000L
const SSL_METHOD *ssl_method;
#else
SSL_METHOD *ssl_method;
#endif
#ifdef WITH_OPENSSL
int res;
#elif defined(WITH_NSS) /* WITH_OPENSSL */
SECStatus status;
PRFileDesc *socket;
HOST_CERT_t *cert;
#endif /* WITH_OPENSSL | WITH_NSS */
char buf[UPSCLI_NETBUF_LEN];
/* Intend to initialize upscli with no ssl db if not already done.
* Compatibility stuff for old clients which do not initialize them.
*/
if (upscli_initialized==0) {
upsdebugx(3, "upscli not initialized, "
"force initialisation without SSL configuration");
upscli_init(0, NULL, NULL, NULL);
}
/* see if upsd even talks SSL/TLS */
snprintf(buf, sizeof(buf), "STARTTLS\n");
@ -322,84 +693,150 @@ static int upscli_sslinit(UPSCONN_t *ups)
}
/* upsd is happy, so let's crank up the client */
#ifdef WITH_OPENSSL
SSL_load_error_strings();
SSL_library_init();
ssl_method = TLSv1_client_method();
if (!ssl_method) {
if (!ssl_ctx) {
upsdebugx(3, "SSL context is not available");
return 0;
}
ups->ssl_ctx = SSL_CTX_new(ssl_method);
if (!ups->ssl_ctx) {
return 0;
}
ups->ssl = SSL_new(ups->ssl_ctx);
ups->ssl = SSL_new(ssl_ctx);
if (!ups->ssl) {
upsdebugx(3, "Can not create SSL socket");
return 0;
}
if (SSL_set_fd(ups->ssl, ups->fd) != 1) {
upsdebugx(3, "Can not bind file descriptor to SSL socket");
return -1;
}
SSL_set_connect_state(ups->ssl);
return 1; /* OK */
}
/* set the paths for the certs to verify the server */
int upscli_sslcert(UPSCONN_t *ups, const char *file, const char *path, int verify)
{
int ret, ssl_mode = SSL_VERIFY_NONE;
if (!ups) {
return -1;
if (verifycert != 0) {
SSL_set_verify(ups->ssl, SSL_VERIFY_PEER, NULL);
} else {
SSL_set_verify(ups->ssl, SSL_VERIFY_NONE, NULL);
}
if (!ups->ssl_ctx) {
ups->upserror = UPSCLI_ERR_INVALIDARG;
return -1;
}
switch(verify) {
case 0:
ssl_mode = SSL_VERIFY_NONE;
break;
res = SSL_connect(ups->ssl);
switch(res)
{
case 1:
ssl_mode = SSL_VERIFY_PEER;
upsdebugx(3, "SSL connected");
break;
case 0:
upslog_with_errno(1, "SSL_connect do not accept handshake.");
ssl_error(ups->ssl, res);
return -1;
default:
ups->upserror = UPSCLI_ERR_INVALIDARG;
upslog_with_errno(1, "Unknown return value from SSL_connect %d", res);
ssl_error(ups->ssl, res);
return -1;
}
ret = SSL_CTX_load_verify_locations(ups->ssl_ctx, file, path);
if (ret != 1) {
ups->upserror = UPSCLI_ERR_SSLERR;
return -1;
}
SSL_set_verify(ups->ssl, ssl_mode, NULL);
}
return 1;
#elif defined(WITH_NSS) /* WITH_OPENSSL */
socket = PR_ImportTCPSocket(ups->fd);
if (socket == NULL){
nss_error("upscli_sslinit / PR_ImportTCPSocket");
return -1;
}
ups->ssl = SSL_ImportFD(NULL, socket);
if (ups->ssl == NULL){
nss_error("upscli_sslinit / SSL_ImportFD");
return -1;
}
if (SSL_SetPKCS11PinArg(ups->ssl, ups) == -1){
nss_error("upscli_sslinit / SSL_SetPKCS11PinArg");
return -1;
}
if (verifycert) {
status = SSL_AuthCertificateHook(ups->ssl,
(SSLAuthCertificate)AuthCertificate, CERT_GetDefaultCertDB());
} else {
status = SSL_AuthCertificateHook(ups->ssl,
(SSLAuthCertificate)AuthCertificateDontVerify, CERT_GetDefaultCertDB());
}
if (status != SECSuccess) {
nss_error("upscli_sslinit / SSL_AuthCertificateHook");
return -1;
}
status = SSL_BadCertHook(ups->ssl, (SSLBadCertHandler)BadCertHandler, ups);
if (status != SECSuccess) {
nss_error("upscli_sslinit / SSL_BadCertHook");
return -1;
}
status = SSL_GetClientAuthDataHook(ups->ssl, (SSLGetClientAuthData)GetClientAuthData, ups);
if (status != SECSuccess) {
nss_error("upscli_sslinit / SSL_GetClientAuthDataHook");
return -1;
}
status = SSL_HandshakeCallback(ups->ssl, (SSLHandshakeCallback)HandshakeCallback, ups);
if (status != SECSuccess) {
nss_error("upscli_sslinit / SSL_HandshakeCallback");
return -1;
}
cert = upscli_find_host_cert(ups->host);
if (cert != NULL && cert->certname != NULL) {
upslogx(LOG_INFO, "Connecting in SSL to '%s' and look at certificate called '%s'",
ups->host, cert->certname);
status = SSL_SetURL(ups->ssl, cert->certname);
} else {
upslogx(LOG_NOTICE, "Connecting in SSL to '%s' (no certificate name specified)", ups->host);
status = SSL_SetURL(ups->ssl, ups->host);
}
if (status != SECSuccess) {
nss_error("upscli_sslinit / SSL_SetURL");
return -1;
}
status = SSL_ResetHandshake(ups->ssl, PR_FALSE);
if (status != SECSuccess) {
nss_error("upscli_sslinit / SSL_ResetHandshake");
ups->ssl = NULL;
/* EKI wtf unimport or free the socket ? */
return -1;
}
status = SSL_ForceHandshake(ups->ssl);
if (status != SECSuccess) {
nss_error("upscli_sslinit / SSL_ForceHandshake");
ups->ssl = NULL;
/* EKI wtf unimport or free the socket ? */
/* TODO : Close the connection. */
return -1;
}
return 1;
#endif /* WITH_OPENSSL | WITH_NSS */
}
#endif /* HAVE_SSL */
#else /* WITH_SSL */
static int upscli_sslinit(UPSCONN_t *ups, int verifycert)
{
return 0; /* not supported */
}
#endif /* WITH_SSL */
int upscli_tryconnect(UPSCONN_t *ups, const char *host, int port, int flags,struct timeval * timeout)
{
int sock_fd;
int sock_fd;
struct addrinfo hints, *res, *ai;
char sport[NI_MAXSERV];
int v;
int v, certverify, tryssl, forcessl, ret;
HOST_CERT_t* hostcert;
fd_set wfds;
int error;
socklen_t error_size;
@ -552,22 +989,46 @@ int upscli_tryconnect(UPSCONN_t *ups, const char *host, int port, int flags,stru
ups->port = port;
if (flags & UPSCLI_CONN_TRYSSL) {
upscli_sslinit(ups);
/* see if something made us die inside sslinit */
if (ups->upserror != 0) {
hostcert = upscli_find_host_cert(host);
if (hostcert != NULL) {
/* An host security rule is specified. */
certverify = hostcert->certverify;
forcessl = hostcert->forcessl;
} else {
certverify = (flags & UPSCLI_CONN_CERTVERIF) != 0 ? 1 : 0;
forcessl = (flags & UPSCLI_CONN_REQSSL) != 0 ? 1 : 0;
}
tryssl = (flags & UPSCLI_CONN_TRYSSL) != 0 ? 1 : 0;
if (tryssl || forcessl) {
ret = upscli_sslinit(ups, certverify);
if (forcessl && ret != 1) {
upslogx(LOG_ERR, "Can not connect to %s in SSL, disconnect", host);
ups->upserror = UPSCLI_ERR_SSLFAIL;
upscli_disconnect(ups);
return -1;
} else if (tryssl && ret == -1) {
upslogx(LOG_NOTICE, "Error while connecting to %s, disconnect", host);
upscli_disconnect(ups);
return -1;
} else if (tryssl && ret == 0) {
if (certverify != 0) {
upslogx(LOG_NOTICE, "Can not connect to %s in SSL and "
"certificate is needed, disconnect", host);
upscli_disconnect(ups);
return -1;
}
upsdebugx(3, "Can not connect to %s in SSL, continue uncrypted", host);
} else {
upslogx(LOG_INFO, "Connected to %s in SSL", host);
if (certverify == 0) {
/* you REALLY should set CERTVERIFY to 1 if using SSL... */
upslogx(LOG_WARNING, "Certificate verification is disabled");
}
}
}
if ((flags & UPSCLI_CONN_REQSSL) && (upscli_sslinit(ups) != 1)) {
ups->upserror = UPSCLI_ERR_SSLFAIL;
upscli_disconnect(ups);
return -1;
}
return 0;
}
@ -1044,18 +1505,19 @@ int upscli_disconnect(UPSCONN_t *ups)
net_write(ups, "LOGOUT\n", 7);
#ifdef HAVE_SSL
#ifdef WITH_OPENSSL
if (ups->ssl) {
SSL_shutdown(ups->ssl);
SSL_free(ups->ssl);
ups->ssl = NULL;
}
if (ups->ssl_ctx) {
SSL_CTX_free(ups->ssl_ctx);
ups->ssl_ctx = NULL;
#elif defined(WITH_NSS) /* WITH_OPENSSL */
if (ups->ssl) {
PR_Shutdown(ups->ssl, PR_SHUTDOWN_BOTH);
PR_Close(ups->ssl);
ups->ssl = NULL;
}
#endif
#endif /* WITH_OPENSSL | WITH_NSS */
shutdown(ups->fd, shutdown_how);
@ -1101,9 +1563,11 @@ int upscli_ssl(UPSCONN_t *ups)
return -1;
}
#ifdef WITH_SSL
if (ups->ssl) {
return 1;
}
#endif /* WITH_SSL */
return 0;
}