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dirmngr,w32: Make https with ntbtls work.

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* dirmngr/http.c (simple_cookie_functions): New.
(send_request) [HTTP_USE_NTBTLS, W32]: Use es_fopencookie.
(cookie_read): Factor some code out to ...
(read_server): new.
(simple_cookie_read, simple_cookie_write) [W32]: New.

Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2017-02-23 10:30:58 +01:00
parent fd9cb9f815
commit a42bf00b4e
No known key found for this signature in database
GPG Key ID: E3FDFF218E45B72B
1 changed files with 100 additions and 27 deletions
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127
dirmngr/http.c
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@ -158,13 +158,19 @@ static gpg_error_t parse_response (http_t hd);
static gpg_error_t connect_server (const char *server, unsigned short port,
unsigned int flags, const char *srvtag,
assuan_fd_t *r_sock);
static gpgrt_ssize_t read_server (int sock, void *buffer, size_t size);
static gpg_error_t write_server (int sock, const char *data, size_t length);
static gpgrt_ssize_t cookie_read (void *cookie, void *buffer, size_t size);
static gpgrt_ssize_t cookie_write (void *cookie,
const void *buffer, size_t size);
static int cookie_close (void *cookie);
#ifdef HAVE_W32_SYSTEM
static gpgrt_ssize_t simple_cookie_read (void *cookie,
void *buffer, size_t size);
static gpgrt_ssize_t simple_cookie_write (void *cookie,
const void *buffer, size_t size);
#endif
/* A socket object used to a allow ref counting of sockets. */
struct my_socket_s
@ -184,6 +190,7 @@ static es_cookie_io_functions_t cookie_functions =
cookie_close
};
struct cookie_s
{
/* Socket object or NULL if already closed. */
@ -203,6 +210,19 @@ struct cookie_s
typedef struct cookie_s *cookie_t;
/* Simple cookie functions. Here the cookie is an int with the
* socket. */
#ifdef HAVE_W32_SYSTEM
static es_cookie_io_functions_t simple_cookie_functions =
{
simple_cookie_read,
simple_cookie_write,
NULL,
NULL
};
#endif
#if SIZEOF_UNSIGNED_LONG == 8
# define HTTP_SESSION_MAGIC 0x0068545470534553 /* "hTTpSES" */
#else
@ -362,7 +382,7 @@ _my_socket_new (int lnr, assuan_fd_t fd)
so->refcount = 1;
if (opt_debug)
log_debug ("http.c:%d:socket_new: object %p for fd %d created\n",
lnr, so, so->fd);
lnr, (int)so, so->fd);
return so;
}
#define my_socket_new(a) _my_socket_new (__LINE__, (a))
@ -374,7 +394,7 @@ _my_socket_ref (int lnr, my_socket_t so)
so->refcount++;
if (opt_debug > 1)
log_debug ("http.c:%d:socket_ref: object %p for fd %d refcount now %d\n",
lnr, so, so->fd, so->refcount);
lnr, (int)so, so->fd, so->refcount);
return so;
}
#define my_socket_ref(a) _my_socket_ref (__LINE__,(a))
@ -392,7 +412,7 @@ _my_socket_unref (int lnr, my_socket_t so,
so->refcount--;
if (opt_debug > 1)
log_debug ("http.c:%d:socket_unref: object %p for fd %d ref now %d\n",
lnr, so, so->fd, so->refcount);
lnr, (int)so, so->fd, so->refcount);
if (!so->refcount)
{
@ -1768,7 +1788,14 @@ send_request (http_t hd, const char *httphost, const char *auth,
my_socket_ref (hd->sock);
/* Until we support send/recv in estream under Windows we need
* to use es_fopencookie. */
#ifdef HAVE_W32_SYSTEM
in = es_fopencookie ((void*)(unsigned int)hd->sock->fd, "rb",
simple_cookie_functions);
#else
in = es_fdopen_nc (hd->sock->fd, "rb");
#endif
if (!in)
{
err = gpg_error_from_syserror ();
@ -1776,7 +1803,12 @@ send_request (http_t hd, const char *httphost, const char *auth,
return err;
}
#ifdef HAVE_W32_SYSTEM
out = es_fopencookie ((void*)(unsigned int)hd->sock->fd, "wb",
simple_cookie_functions);
#else
out = es_fdopen_nc (hd->sock->fd, "wb");
#endif
if (!out)
{
err = gpg_error_from_syserror ();
@ -2651,6 +2683,41 @@ connect_server (const char *server, unsigned short port,
}
/* Helper to read from a socket. This handles npth things and
* EINTR. */
static gpgrt_ssize_t
read_server (int sock, void *buffer, size_t size)
{
int nread;
do
{
#ifdef HAVE_W32_SYSTEM
/* Under Windows we need to use recv for a socket. */
# if defined(USE_NPTH)
npth_unprotect ();
# endif
nread = recv (sock, buffer, size, 0);
# if defined(USE_NPTH)
npth_protect ();
# endif
#else /*!HAVE_W32_SYSTEM*/
# ifdef USE_NPTH
nread = npth_read (sock, buffer, size);
# else
nread = read (sock, buffer, size);
# endif
#endif /*!HAVE_W32_SYSTEM*/
}
while (nread == -1 && errno == EINTR);
return nread;
}
static gpg_error_t
write_server (int sock, const char *data, size_t length)
{
@ -2766,29 +2833,7 @@ cookie_read (void *cookie, void *buffer, size_t size)
else
#endif /*HTTP_USE_GNUTLS*/
{
do
{
#ifdef HAVE_W32_SYSTEM
/* Under Windows we need to use recv for a socket. */
# if defined(USE_NPTH)
npth_unprotect ();
# endif
nread = recv (c->sock->fd, buffer, size, 0);
# if defined(USE_NPTH)
npth_protect ();
# endif
#else /*!HAVE_W32_SYSTEM*/
# ifdef USE_NPTH
nread = npth_read (c->sock->fd, buffer, size);
# else
nread = read (c->sock->fd, buffer, size);
# endif
#endif /*!HAVE_W32_SYSTEM*/
}
while (nread == -1 && errno == EINTR);
nread = read_server (c->sock->fd, buffer, size);
}
if (c->content_length_valid && nread > 0)
@ -2870,6 +2915,34 @@ cookie_write (void *cookie, const void *buffer_arg, size_t size)
}
#ifdef HAVE_W32_SYSTEM
static gpgrt_ssize_t
simple_cookie_read (void *cookie, void *buffer, size_t size)
{
int sock = (int)(uintptr_t)cookie;
return read_server (sock, buffer, size);
}
static gpgrt_ssize_t
simple_cookie_write (void *cookie, const void *buffer_arg, size_t size)
{
int sock = (int)(uintptr_t)cookie;
const char *buffer = buffer_arg;
int nwritten;
if (write_server (sock, buffer, size))
{
gpg_err_set_errno (EIO);
nwritten = -1;
}
else
nwritten = size;
return (gpgrt_ssize_t)nwritten;
}
#endif /*HAVE_W32_SYSTEM*/
#ifdef HTTP_USE_GNUTLS
/* Wrapper for gnutls_bye used by my_socket_unref. */
static void