Uprev NSS to 3.23 on iOS

net/third_party/nss/ssl/ssldef.c

 /*
  * "Default" SSLSocket methods, used by sockets that do neither SSL nor socks.
  *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 #include "cert.h"
 #include "ssl.h"
 #include "sslimpl.h"
 
 #if defined(WIN32)
-#define MAP_ERROR(from,to) if (err == from) { PORT_SetError(to); }
-#define DEFINE_ERROR       PRErrorCode err = PR_GetError();
+#define MAP_ERROR(from, to) \
+    if (err == from) {      \
+        PORT_SetError(to);  \
+    }
+#define DEFINE_ERROR PRErrorCode err = PR_GetError();
 #else
-#define MAP_ERROR(from,to)
+#define MAP_ERROR(from, to)
 #define DEFINE_ERROR
 #endif
 
-int ssl_DefConnect(sslSocket *ss, const PRNetAddr *sa)
+int
+ssl_DefConnect(sslSocket *ss, const PRNetAddr *sa)
 {
     PRFileDesc *lower = ss->fd->lower;
     int rv;
 
     rv = lower->methods->connect(lower, sa, ss->cTimeout);
     return rv;
 }
 
-int ssl_DefBind(sslSocket *ss, const PRNetAddr *addr)
+int
+ssl_DefBind(sslSocket *ss, const PRNetAddr *addr)
 {
     PRFileDesc *lower = ss->fd->lower;
     int rv;
 
     rv = lower->methods->bind(lower, addr);
     return rv;
 }
 
-int ssl_DefListen(sslSocket *ss, int backlog)
+int
+ssl_DefListen(sslSocket *ss, int backlog)
 {
     PRFileDesc *lower = ss->fd->lower;
     int rv;
 
     rv = lower->methods->listen(lower, backlog);
     return rv;
 }
 
-int ssl_DefShutdown(sslSocket *ss, int how)
+int
+ssl_DefShutdown(sslSocket *ss, int how)
 {
     PRFileDesc *lower = ss->fd->lower;
     int rv;
 
     rv = lower->methods->shutdown(lower, how);
     return rv;
 }
 
-int ssl_DefRecv(sslSocket *ss, unsigned char *buf, int len, int flags)
+int
+ssl_DefRecv(sslSocket *ss, unsigned char *buf, int len, int flags)
 {
     PRFileDesc *lower = ss->fd->lower;
     int rv;
 
     rv = lower->methods->recv(lower, (void *)buf, len, flags, ss->rTimeout);
     if (rv < 0) {
-        DEFINE_ERROR
-        MAP_ERROR(PR_SOCKET_SHUTDOWN_ERROR, PR_CONNECT_RESET_ERROR)
+        DEFINE_ERROR
+        MAP_ERROR(PR_SOCKET_SHUTDOWN_ERROR, PR_CONNECT_RESET_ERROR)
     } else if (rv > len) {
-        PORT_Assert(rv <= len);
-        PORT_SetError(PR_BUFFER_OVERFLOW_ERROR);
-        rv = SECFailure;
+        PORT_Assert(rv <= len);
+        PORT_SetError(PR_BUFFER_OVERFLOW_ERROR);
+        rv = SECFailure;
     }
     return rv;
 }
 
 /* Default (unencrypted) send.
  * For blocking sockets, always returns len or SECFailure, no short writes.
  * For non-blocking sockets:
- *   Returns positive count if any data was written, else returns SECFailure. 
+ *   Returns positive count if any data was written, else returns SECFailure.
  *   Short writes may occur.  Does not return SECWouldBlock.
  */
-int ssl_DefSend(sslSocket *ss, const unsigned char *buf, int len, int flags)
+int
+ssl_DefSend(sslSocket *ss, const unsigned char *buf, int len, int flags)
 {
     PRFileDesc *lower = ss->fd->lower;
     int sent = 0;
 
 #if NSS_DISABLE_NAGLE_DELAYS
-    /* Although this is overkill, we disable Nagle delays completely for 
+    /* Although this is overkill, we disable Nagle delays completely for
     ** SSL sockets.
     */
     if (ss->opt.useSecurity && !ss->delayDisabled) {
-        ssl_EnableNagleDelay(ss, PR_FALSE);   /* ignore error */
-        ss->delayDisabled = 1;
+        ssl_EnableNagleDelay(ss, PR_FALSE); /* ignore error */
+        ss->delayDisabled = 1;
     }
 #endif
     do {
-        int rv = lower->methods->send(lower, (const void *)(buf + sent), 
-                                      len - sent, flags, ss->wTimeout);
-        if (rv < 0) {
-            PRErrorCode err = PR_GetError();
-            if (err == PR_WOULD_BLOCK_ERROR) {
-                ss->lastWriteBlocked = 1;
-                return sent ? sent : SECFailure;
-            }
-            ss->lastWriteBlocked = 0;
-            MAP_ERROR(PR_CONNECT_ABORTED_ERROR, PR_CONNECT_RESET_ERROR)
-            /* Loser */
-            return rv;
-        }
-        sent += rv;
-        
-        if (IS_DTLS(ss) && (len > sent)) { 
-            /* We got a partial write so just return it */
-            return sent;
-        }
+        int rv = lower->methods->send(lower, (const void *)(buf + sent),
+                                      len - sent, flags, ss->wTimeout);
+        if (rv < 0) {
+            PRErrorCode err = PR_GetError();
+            if (err == PR_WOULD_BLOCK_ERROR) {
+                ss->lastWriteBlocked = 1;
+                return sent ? sent : SECFailure;
+            }
+            ss->lastWriteBlocked = 0;
+            MAP_ERROR(PR_CONNECT_ABORTED_ERROR, PR_CONNECT_RESET_ERROR)
+            /* Loser */
+            return rv;
+        }
+        sent += rv;
+
+        if (IS_DTLS(ss) && (len > sent)) {
+            /* We got a partial write so just return it */
+            return sent;
+        }
     } while (len > sent);
     ss->lastWriteBlocked = 0;
     return sent;
 }
 
-int ssl_DefRead(sslSocket *ss, unsigned char *buf, int len)
+int
+ssl_DefRead(sslSocket *ss, unsigned char *buf, int len)
 {
     PRFileDesc *lower = ss->fd->lower;
     int rv;
 
     rv = lower->methods->read(lower, (void *)buf, len);
     if (rv < 0) {
-        DEFINE_ERROR
-        MAP_ERROR(PR_SOCKET_SHUTDOWN_ERROR, PR_CONNECT_RESET_ERROR)
+        DEFINE_ERROR
+        MAP_ERROR(PR_SOCKET_SHUTDOWN_ERROR, PR_CONNECT_RESET_ERROR)
     }
     return rv;
 }
 
-int ssl_DefWrite(sslSocket *ss, const unsigned char *buf, int len)
+int
+ssl_DefWrite(sslSocket *ss, const unsigned char *buf, int len)
 {
     PRFileDesc *lower = ss->fd->lower;
     int sent = 0;
 
     do {
-        int rv = lower->methods->write(lower, (const void *)(buf + sent), 
-                                       len - sent);
-        if (rv < 0) {
-            PRErrorCode err = PR_GetError();
-            if (err == PR_WOULD_BLOCK_ERROR) {
-                ss->lastWriteBlocked = 1;
-                return sent ? sent : SECFailure;
-            }
-            ss->lastWriteBlocked = 0;
-            MAP_ERROR(PR_CONNECT_ABORTED_ERROR, PR_CONNECT_RESET_ERROR)
-            /* Loser */
-            return rv;
-        }
-        sent += rv;
+        int rv = lower->methods->write(lower, (const void *)(buf + sent),
+                                       len - sent);
+        if (rv < 0) {
+            PRErrorCode err = PR_GetError();
+            if (err == PR_WOULD_BLOCK_ERROR) {
+                ss->lastWriteBlocked = 1;
+                return sent ? sent : SECFailure;
+            }
+            ss->lastWriteBlocked = 0;
+            MAP_ERROR(PR_CONNECT_ABORTED_ERROR, PR_CONNECT_RESET_ERROR)
+            /* Loser */
+            return rv;
+        }
+        sent += rv;
     } while (len > sent);
     ss->lastWriteBlocked = 0;
     return sent;
 }
 
-int ssl_DefGetpeername(sslSocket *ss, PRNetAddr *name)
+int
+ssl_DefGetpeername(sslSocket *ss, PRNetAddr *name)
 {
     PRFileDesc *lower = ss->fd->lower;
     int rv;
 
     rv = lower->methods->getpeername(lower, name);
     return rv;
 }
 
-int ssl_DefGetsockname(sslSocket *ss, PRNetAddr *name)
+int
+ssl_DefGetsockname(sslSocket *ss, PRNetAddr *name)
 {
     PRFileDesc *lower = ss->fd->lower;
     int rv;
 
     rv = lower->methods->getsockname(lower, name);
     return rv;
 }
 
-int ssl_DefClose(sslSocket *ss)
+int
+ssl_DefClose(sslSocket *ss)
 {
     PRFileDesc *fd;
     PRFileDesc *popped;
-    int         rv;
+    int rv;
 
-    fd    = ss->fd;
+    fd = ss->fd;
 
-    /* First, remove the SSL layer PRFileDesc from the socket's stack, 
+    /* First, remove the SSL layer PRFileDesc from the socket's stack,
     ** then invoke the SSL layer's PRFileDesc destructor.
     ** This must happen before the next layer down is closed.
     */
     PORT_Assert(fd->higher == NULL);
     if (fd->higher) {
-        PORT_SetError(PR_BAD_DESCRIPTOR_ERROR);
-        return SECFailure;
+        PORT_SetError(PR_BAD_DESCRIPTOR_ERROR);
+        return SECFailure;
     }
     ss->fd = NULL;
 
     /* PR_PopIOLayer will swap the contents of the top two PRFileDescs on
     ** the stack, and then remove the second one.  This way, the address
     ** of the PRFileDesc on the top of the stack doesn't change.
     */
-    popped = PR_PopIOLayer(fd, PR_TOP_IO_LAYER); 
+    popped = PR_PopIOLayer(fd, PR_TOP_IO_LAYER);
     popped->dtor(popped);
 
     /* fd is now the PRFileDesc for the next layer down.
-    ** Now close the underlying socket. 
+    ** Now close the underlying socket.
     */
     rv = fd->methods->close(fd);
 
     ssl_FreeSocket(ss);
 
     SSL_TRC(5, ("%d: SSL[%d]: closing, rv=%d errno=%d",
-                SSL_GETPID(), fd, rv, PORT_GetError()));
+                SSL_GETPID(), fd, rv, PORT_GetError()));
     return rv;
 }