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lightning-sunbird  0.9+nobinonly
Defines | Functions
ssldef.c File Reference
#include "cert.h"
#include "ssl.h"
#include "sslimpl.h"

Go to the source code of this file.

Defines

#define MAP_ERROR(from, to)
#define DEFINE_ERROR

Functions

int ssl_DefConnect (sslSocket *ss, const PRNetAddr *sa)
int ssl_DefBind (sslSocket *ss, const PRNetAddr *addr)
int ssl_DefListen (sslSocket *ss, int backlog)
int ssl_DefShutdown (sslSocket *ss, int how)
int ssl_DefRecv (sslSocket *ss, unsigned char *buf, int len, int flags)
int ssl_DefSend (sslSocket *ss, const unsigned char *buf, int len, int flags)
int ssl_DefRead (sslSocket *ss, unsigned char *buf, int len)
int ssl_DefWrite (sslSocket *ss, const unsigned char *buf, int len)
int ssl_DefGetpeername (sslSocket *ss, PRNetAddr *name)
int ssl_DefGetsockname (sslSocket *ss, PRNetAddr *name)
int ssl_DefClose (sslSocket *ss)

Define Documentation

Definition at line 50 of file ssldef.c.

#define MAP_ERROR (   from,
  to 
)

Definition at line 49 of file ssldef.c.


Function Documentation

int ssl_DefBind ( sslSocket *  ss,
const PRNetAddr addr 
)

Definition at line 62 of file ssldef.c.

{
    PRFileDesc *lower = ss->fd->lower;
    int rv;

    rv = lower->methods->bind(lower, addr);
    return rv;
}
int ssl_DefClose ( sslSocket *  ss)

Definition at line 202 of file ssldef.c.

{
    PRFileDesc *fd;
    PRFileDesc *popped;
    int         rv;

    fd    = ss->fd;

    /* 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;
    }
    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->dtor(popped);

    /* fd is now the PRFileDesc for the next layer down.
    ** 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()));
    return rv;
}

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int ssl_DefConnect ( sslSocket *  ss,
const PRNetAddr sa 
)

Definition at line 53 of file ssldef.c.

{
    PRFileDesc *lower = ss->fd->lower;
    int rv;

    rv = lower->methods->connect(lower, sa, ss->cTimeout);
    return rv;
}
int ssl_DefGetpeername ( sslSocket *  ss,
PRNetAddr name 
)

Definition at line 184 of file ssldef.c.

{
    PRFileDesc *lower = ss->fd->lower;
    int rv;

    rv = lower->methods->getpeername(lower, name);
    return rv;
}

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int ssl_DefGetsockname ( sslSocket *  ss,
PRNetAddr name 
)

Definition at line 193 of file ssldef.c.

{
    PRFileDesc *lower = ss->fd->lower;
    int rv;

    rv = lower->methods->getsockname(lower, name);
    return rv;
}
int ssl_DefListen ( sslSocket *  ss,
int  backlog 
)

Definition at line 71 of file ssldef.c.

{
    PRFileDesc *lower = ss->fd->lower;
    int rv;

    rv = lower->methods->listen(lower, backlog);
    return rv;
}
int ssl_DefRead ( sslSocket *  ss,
unsigned char *  buf,
int  len 
)

Definition at line 146 of file ssldef.c.

{
    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)
    }
    return rv;
}
int ssl_DefRecv ( sslSocket *  ss,
unsigned char *  buf,
int  len,
int  flags 
)

Definition at line 89 of file ssldef.c.

{
    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)
    } else if (rv > len) {
       PORT_Assert(rv <= len);
       PORT_SetError(PR_BUFFER_OVERFLOW_ERROR);
       rv = SECFailure;
    }
    return rv;
}

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int ssl_DefSend ( sslSocket *  ss,
const unsigned char *  buf,
int  len,
int  flags 
)

Definition at line 112 of file ssldef.c.

{
    PRFileDesc *lower = ss->fd->lower;
    int sent = 0;

#if NSS_DISABLE_NAGLE_DELAYS
    /* 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;
    }
#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;
    } while (len > sent);
    ss->lastWriteBlocked = 0;
    return sent;
}

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int ssl_DefShutdown ( sslSocket *  ss,
int  how 
)

Definition at line 80 of file ssldef.c.

{
    PRFileDesc *lower = ss->fd->lower;
    int rv;

    rv = lower->methods->shutdown(lower, how);
    return rv;
}
int ssl_DefWrite ( sslSocket *  ss,
const unsigned char *  buf,
int  len 
)

Definition at line 159 of file ssldef.c.

{
    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;
    } while (len > sent);
    ss->lastWriteBlocked = 0;
    return sent;
}