inital commit

1 files changed, 612 insertions, 0 deletions

diff --git a/openssl/crypto/bio/bss_conn.c b/openssl/crypto/bio/bss_conn.c
new file mode 100644
index 0000000..7d15ad2
--- /dev/null
+++ b/openssl/crypto/bio/bss_conn.c
@@ -0,0 +1,612 @@
+/* crypto/bio/bss_conn.c */
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to.  The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *    "This product includes cryptographic software written by
+ *     Eric Young (eay@cryptsoft.com)"
+ *    The word 'cryptographic' can be left out if the rouines from the library
+ *    being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ *    the apps directory (application code) you must include an acknowledgement:
+ *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed.  i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.]
+ */
+
+#include <stdio.h>
+#include <errno.h>
+#define USE_SOCKETS
+#include "cryptlib.h"
+#include <openssl/bio.h>
+
+#ifndef OPENSSL_NO_SOCK
+
+# ifdef OPENSSL_SYS_WIN16
+#  define SOCKET_PROTOCOL 0     /* more microsoft stupidity */
+# else
+#  define SOCKET_PROTOCOL IPPROTO_TCP
+# endif
+
+# if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
+/* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
+#  undef FIONBIO
+# endif
+
+typedef struct bio_connect_st {
+    int state;
+    char *param_hostname;
+    char *param_port;
+    int nbio;
+    unsigned char ip[4];
+    unsigned short port;
+    struct sockaddr_in them;
+    /*
+     * int socket; this will be kept in bio->num so that it is compatible
+     * with the bss_sock bio
+     */
+    /*
+     * called when the connection is initially made callback(BIO,state,ret);
+     * The callback should return 'ret'.  state is for compatibility with the
+     * ssl info_callback
+     */
+    int (*info_callback) (const BIO *bio, int state, int ret);
+} BIO_CONNECT;
+
+static int conn_write(BIO *h, const char *buf, int num);
+static int conn_read(BIO *h, char *buf, int size);
+static int conn_puts(BIO *h, const char *str);
+static long conn_ctrl(BIO *h, int cmd, long arg1, void *arg2);
+static int conn_new(BIO *h);
+static int conn_free(BIO *data);
+static long conn_callback_ctrl(BIO *h, int cmd, bio_info_cb *);
+
+static int conn_state(BIO *b, BIO_CONNECT *c);
+static void conn_close_socket(BIO *data);
+BIO_CONNECT *BIO_CONNECT_new(void);
+void BIO_CONNECT_free(BIO_CONNECT *a);
+
+static BIO_METHOD methods_connectp = {
+    BIO_TYPE_CONNECT,
+    "socket connect",
+    conn_write,
+    conn_read,
+    conn_puts,
+    NULL,                       /* connect_gets, */
+    conn_ctrl,
+    conn_new,
+    conn_free,
+    conn_callback_ctrl,
+};
+
+static int conn_state(BIO *b, BIO_CONNECT *c)
+{
+    int ret = -1, i;
+    unsigned long l;
+    char *p, *q;
+    int (*cb) (const BIO *, int, int) = NULL;
+
+    if (c->info_callback != NULL)
+        cb = c->info_callback;
+
+    for (;;) {
+        switch (c->state) {
+        case BIO_CONN_S_BEFORE:
+            p = c->param_hostname;
+            if (p == NULL) {
+                BIOerr(BIO_F_CONN_STATE, BIO_R_NO_HOSTNAME_SPECIFIED);
+                goto exit_loop;
+            }
+            for (; *p != '\0'; p++) {
+                if ((*p == ':') || (*p == '/'))
+                    break;
+            }
+
+            i = *p;
+            if ((i == ':') || (i == '/')) {
+
+                *(p++) = '\0';
+                if (i == ':') {
+                    for (q = p; *q; q++)
+                        if (*q == '/') {
+                            *q = '\0';
+                            break;
+                        }
+                    if (c->param_port != NULL)
+                        OPENSSL_free(c->param_port);
+                    c->param_port = BUF_strdup(p);
+                }
+            }
+
+            if (c->param_port == NULL) {
+                BIOerr(BIO_F_CONN_STATE, BIO_R_NO_PORT_SPECIFIED);
+                ERR_add_error_data(2, "host=", c->param_hostname);
+                goto exit_loop;
+            }
+            c->state = BIO_CONN_S_GET_IP;
+            break;
+
+        case BIO_CONN_S_GET_IP:
+            if (BIO_get_host_ip(c->param_hostname, &(c->ip[0])) <= 0)
+                goto exit_loop;
+            c->state = BIO_CONN_S_GET_PORT;
+            break;
+
+        case BIO_CONN_S_GET_PORT:
+            if (c->param_port == NULL) {
+                /* abort(); */
+                goto exit_loop;
+            } else if (BIO_get_port(c->param_port, &c->port) <= 0)
+                goto exit_loop;
+            c->state = BIO_CONN_S_CREATE_SOCKET;
+            break;
+
+        case BIO_CONN_S_CREATE_SOCKET:
+            /* now setup address */
+            memset((char *)&c->them, 0, sizeof(c->them));
+            c->them.sin_family = AF_INET;
+            c->them.sin_port = htons((unsigned short)c->port);
+            l = (unsigned long)
+                ((unsigned long)c->ip[0] << 24L) |
+                ((unsigned long)c->ip[1] << 16L) |
+                ((unsigned long)c->ip[2] << 8L) | ((unsigned long)c->ip[3]);
+            c->them.sin_addr.s_addr = htonl(l);
+            c->state = BIO_CONN_S_CREATE_SOCKET;
+
+            ret = socket(AF_INET, SOCK_STREAM, SOCKET_PROTOCOL);
+            if (ret == INVALID_SOCKET) {
+                SYSerr(SYS_F_SOCKET, get_last_socket_error());
+                ERR_add_error_data(4, "host=", c->param_hostname,
+                                   ":", c->param_port);
+                BIOerr(BIO_F_CONN_STATE, BIO_R_UNABLE_TO_CREATE_SOCKET);
+                goto exit_loop;
+            }
+            b->num = ret;
+            c->state = BIO_CONN_S_NBIO;
+            break;
+
+        case BIO_CONN_S_NBIO:
+            if (c->nbio) {
+                if (!BIO_socket_nbio(b->num, 1)) {
+                    BIOerr(BIO_F_CONN_STATE, BIO_R_ERROR_SETTING_NBIO);
+                    ERR_add_error_data(4, "host=",
+                                       c->param_hostname, ":", c->param_port);
+                    goto exit_loop;
+                }
+            }
+            c->state = BIO_CONN_S_CONNECT;
+
+# if defined(SO_KEEPALIVE) && !defined(OPENSSL_SYS_MPE)
+            i = 1;
+            i = setsockopt(b->num, SOL_SOCKET, SO_KEEPALIVE, (char *)&i,
+                           sizeof(i));
+            if (i < 0) {
+                SYSerr(SYS_F_SOCKET, get_last_socket_error());
+                ERR_add_error_data(4, "host=", c->param_hostname,
+                                   ":", c->param_port);
+                BIOerr(BIO_F_CONN_STATE, BIO_R_KEEPALIVE);
+                goto exit_loop;
+            }
+# endif
+            break;
+
+        case BIO_CONN_S_CONNECT:
+            BIO_clear_retry_flags(b);
+            ret = connect(b->num,
+                          (struct sockaddr *)&c->them, sizeof(c->them));
+            b->retry_reason = 0;
+            if (ret < 0) {
+                if (BIO_sock_should_retry(ret)) {
+                    BIO_set_retry_special(b);
+                    c->state = BIO_CONN_S_BLOCKED_CONNECT;
+                    b->retry_reason = BIO_RR_CONNECT;
+                } else {
+                    SYSerr(SYS_F_CONNECT, get_last_socket_error());
+                    ERR_add_error_data(4, "host=",
+                                       c->param_hostname, ":", c->param_port);
+                    BIOerr(BIO_F_CONN_STATE, BIO_R_CONNECT_ERROR);
+                }
+                goto exit_loop;
+            } else
+                c->state = BIO_CONN_S_OK;
+            break;
+
+        case BIO_CONN_S_BLOCKED_CONNECT:
+            i = BIO_sock_error(b->num);
+            if (i) {
+                BIO_clear_retry_flags(b);
+                SYSerr(SYS_F_CONNECT, i);
+                ERR_add_error_data(4, "host=",
+                                   c->param_hostname, ":", c->param_port);
+                BIOerr(BIO_F_CONN_STATE, BIO_R_NBIO_CONNECT_ERROR);
+                ret = 0;
+                goto exit_loop;
+            } else
+                c->state = BIO_CONN_S_OK;
+            break;
+
+        case BIO_CONN_S_OK:
+            ret = 1;
+            goto exit_loop;
+        default:
+            /* abort(); */
+            goto exit_loop;
+        }
+
+        if (cb != NULL) {
+            if (!(ret = cb((BIO *)b, c->state, ret)))
+                goto end;
+        }
+    }
+
+    /* Loop does not exit */
+ exit_loop:
+    if (cb != NULL)
+        ret = cb((BIO *)b, c->state, ret);
+ end:
+    return (ret);
+}
+
+BIO_CONNECT *BIO_CONNECT_new(void)
+{
+    BIO_CONNECT *ret;
+
+    if ((ret = (BIO_CONNECT *)OPENSSL_malloc(sizeof(BIO_CONNECT))) == NULL)
+        return (NULL);
+    ret->state = BIO_CONN_S_BEFORE;
+    ret->param_hostname = NULL;
+    ret->param_port = NULL;
+    ret->info_callback = NULL;
+    ret->nbio = 0;
+    ret->ip[0] = 0;
+    ret->ip[1] = 0;
+    ret->ip[2] = 0;
+    ret->ip[3] = 0;
+    ret->port = 0;
+    memset((char *)&ret->them, 0, sizeof(ret->them));
+    return (ret);
+}
+
+void BIO_CONNECT_free(BIO_CONNECT *a)
+{
+    if (a == NULL)
+        return;
+
+    if (a->param_hostname != NULL)
+        OPENSSL_free(a->param_hostname);
+    if (a->param_port != NULL)
+        OPENSSL_free(a->param_port);
+    OPENSSL_free(a);
+}
+
+BIO_METHOD *BIO_s_connect(void)
+{
+    return (&methods_connectp);
+}
+
+static int conn_new(BIO *bi)
+{
+    bi->init = 0;
+    bi->num = INVALID_SOCKET;
+    bi->flags = 0;
+    if ((bi->ptr = (char *)BIO_CONNECT_new()) == NULL)
+        return (0);
+    else
+        return (1);
+}
+
+static void conn_close_socket(BIO *bio)
+{
+    BIO_CONNECT *c;
+
+    c = (BIO_CONNECT *)bio->ptr;
+    if (bio->num != INVALID_SOCKET) {
+        /* Only do a shutdown if things were established */
+        if (c->state == BIO_CONN_S_OK)
+            shutdown(bio->num, 2);
+        closesocket(bio->num);
+        bio->num = INVALID_SOCKET;
+    }
+}
+
+static int conn_free(BIO *a)
+{
+    BIO_CONNECT *data;
+
+    if (a == NULL)
+        return (0);
+    data = (BIO_CONNECT *)a->ptr;
+
+    if (a->shutdown) {
+        conn_close_socket(a);
+        BIO_CONNECT_free(data);
+        a->ptr = NULL;
+        a->flags = 0;
+        a->init = 0;
+    }
+    return (1);
+}
+
+static int conn_read(BIO *b, char *out, int outl)
+{
+    int ret = 0;
+    BIO_CONNECT *data;
+
+    data = (BIO_CONNECT *)b->ptr;
+    if (data->state != BIO_CONN_S_OK) {
+        ret = conn_state(b, data);
+        if (ret <= 0)
+            return (ret);
+    }
+
+    if (out != NULL) {
+        clear_socket_error();
+        ret = readsocket(b->num, out, outl);
+        BIO_clear_retry_flags(b);
+        if (ret <= 0) {
+            if (BIO_sock_should_retry(ret))
+                BIO_set_retry_read(b);
+        }
+    }
+    return (ret);
+}
+
+static int conn_write(BIO *b, const char *in, int inl)
+{
+    int ret;
+    BIO_CONNECT *data;
+
+    data = (BIO_CONNECT *)b->ptr;
+    if (data->state != BIO_CONN_S_OK) {
+        ret = conn_state(b, data);
+        if (ret <= 0)
+            return (ret);
+    }
+
+    clear_socket_error();
+    ret = writesocket(b->num, in, inl);
+    BIO_clear_retry_flags(b);
+    if (ret <= 0) {
+        if (BIO_sock_should_retry(ret))
+            BIO_set_retry_write(b);
+    }
+    return (ret);
+}
+
+static long conn_ctrl(BIO *b, int cmd, long num, void *ptr)
+{
+    BIO *dbio;
+    int *ip;
+    const char **pptr = NULL;
+    long ret = 1;
+    BIO_CONNECT *data;
+
+    data = (BIO_CONNECT *)b->ptr;
+
+    switch (cmd) {
+    case BIO_CTRL_RESET:
+        ret = 0;
+        data->state = BIO_CONN_S_BEFORE;
+        conn_close_socket(b);
+        b->flags = 0;
+        break;
+    case BIO_C_DO_STATE_MACHINE:
+        /* use this one to start the connection */
+        if (data->state != BIO_CONN_S_OK)
+            ret = (long)conn_state(b, data);
+        else
+            ret = 1;
+        break;
+    case BIO_C_GET_CONNECT:
+        if (ptr != NULL) {
+            pptr = (const char **)ptr;
+        }
+
+        if (b->init) {
+            if (pptr != NULL) {
+                ret = 1;
+                if (num == 0) {
+                    *pptr = data->param_hostname;
+                } else if (num == 1) {
+                    *pptr = data->param_port;
+                } else if (num == 2) {
+                    *pptr = (char *)&(data->ip[0]);
+                } else {
+                    ret = 0;
+                }
+            }
+            if (num == 3) {
+                ret = data->port;
+            }
+        } else {
+            if (pptr != NULL)
+                *pptr = "not initialized";
+            ret = 0;
+        }
+        break;
+    case BIO_C_SET_CONNECT:
+        if (ptr != NULL) {
+            b->init = 1;
+            if (num == 0) {
+                if (data->param_hostname != NULL)
+                    OPENSSL_free(data->param_hostname);
+                data->param_hostname = BUF_strdup(ptr);
+            } else if (num == 1) {
+                if (data->param_port != NULL)
+                    OPENSSL_free(data->param_port);
+                data->param_port = BUF_strdup(ptr);
+            } else if (num == 2) {
+                char buf[16];
+                unsigned char *p = ptr;
+
+                BIO_snprintf(buf, sizeof buf, "%d.%d.%d.%d",
+                             p[0], p[1], p[2], p[3]);
+                if (data->param_hostname != NULL)
+                    OPENSSL_free(data->param_hostname);
+                data->param_hostname = BUF_strdup(buf);
+                memcpy(&(data->ip[0]), ptr, 4);
+            } else if (num == 3) {
+                char buf[DECIMAL_SIZE(int) + 1];
+
+                BIO_snprintf(buf, sizeof buf, "%d", *(int *)ptr);
+                if (data->param_port != NULL)
+                    OPENSSL_free(data->param_port);
+                data->param_port = BUF_strdup(buf);
+                data->port = *(int *)ptr;
+            }
+        }
+        break;
+    case BIO_C_SET_NBIO:
+        data->nbio = (int)num;
+        break;
+    case BIO_C_GET_FD:
+        if (b->init) {
+            ip = (int *)ptr;
+            if (ip != NULL)
+                *ip = b->num;
+            ret = b->num;
+        } else
+            ret = -1;
+        break;
+    case BIO_CTRL_GET_CLOSE:
+        ret = b->shutdown;
+        break;
+    case BIO_CTRL_SET_CLOSE:
+        b->shutdown = (int)num;
+        break;
+    case BIO_CTRL_PENDING:
+    case BIO_CTRL_WPENDING:
+        ret = 0;
+        break;
+    case BIO_CTRL_FLUSH:
+        break;
+    case BIO_CTRL_DUP:
+        {
+            dbio = (BIO *)ptr;
+            if (data->param_port)
+                BIO_set_conn_port(dbio, data->param_port);
+            if (data->param_hostname)
+                BIO_set_conn_hostname(dbio, data->param_hostname);
+            BIO_set_nbio(dbio, data->nbio);
+            /*
+             * FIXME: the cast of the function seems unlikely to be a good
+             * idea
+             */
+            (void)BIO_set_info_callback(dbio,
+                                        (bio_info_cb *)data->info_callback);
+        }
+        break;
+    case BIO_CTRL_SET_CALLBACK:
+        {
+# if 0                          /* FIXME: Should this be used? -- Richard
+                                 * Levitte */
+            BIOerr(BIO_F_CONN_CTRL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
+            ret = -1;
+# else
+            ret = 0;
+# endif
+        }
+        break;
+    case BIO_CTRL_GET_CALLBACK:
+        {
+            int (**fptr) (const BIO *bio, int state, int xret);
+
+            fptr = (int (**)(const BIO *bio, int state, int xret))ptr;
+            *fptr = data->info_callback;
+        }
+        break;
+    default:
+        ret = 0;
+        break;
+    }
+    return (ret);
+}
+
+static long conn_callback_ctrl(BIO *b, int cmd, bio_info_cb *fp)
+{
+    long ret = 1;
+    BIO_CONNECT *data;
+
+    data = (BIO_CONNECT *)b->ptr;
+
+    switch (cmd) {
+    case BIO_CTRL_SET_CALLBACK:
+        {
+            data->info_callback =
+                (int (*)(const struct bio_st *, int, int))fp;
+        }
+        break;
+    default:
+        ret = 0;
+        break;
+    }
+    return (ret);
+}
+
+static int conn_puts(BIO *bp, const char *str)
+{
+    int n, ret;
+
+    n = strlen(str);
+    ret = conn_write(bp, str, n);
+    return (ret);
+}
+
+BIO *BIO_new_connect(const char *str)
+{
+    BIO *ret;
+
+    ret = BIO_new(BIO_s_connect());
+    if (ret == NULL)
+        return (NULL);
+    if (BIO_set_conn_hostname(ret, str))
+        return (ret);
+    else {
+        BIO_free(ret);
+        return (NULL);
+    }
+}
+
+#endif