Rework LuCI build system

 * Rename subdirectories to their repective OpenWrt package names
 * Make each LuCI module its own standalone package
 * Deploy a shared luci.mk which is used by each module Makefile

Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>

1 files changed, 386 insertions, 0 deletions

diff --git a/libs/luci-lib-nixio/axTLS/ssl/tls1_clnt.c b/libs/luci-lib-nixio/axTLS/ssl/tls1_clnt.c
new file mode 100644
index 0000000000..91314333c0
--- /dev/null
+++ b/libs/luci-lib-nixio/axTLS/ssl/tls1_clnt.c
@@ -0,0 +1,386 @@
+/*
+ * Copyright (c) 2007, Cameron Rich
+ * 
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without 
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright notice, 
+ *   this list of conditions and the following disclaimer.
+ * * 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.
+ * * Neither the name of the axTLS project nor the names of its contributors 
+ *   may be used to endorse or promote products derived from this software 
+ *   without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "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 COPYRIGHT OWNER 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.
+ */
+
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include <stdio.h>
+
+#include "ssl.h"
+
+#ifdef CONFIG_SSL_ENABLE_CLIENT        /* all commented out if no client */
+
+static int send_client_hello(SSL *ssl);
+static int process_server_hello(SSL *ssl);
+static int process_server_hello_done(SSL *ssl);
+static int send_client_key_xchg(SSL *ssl);
+static int process_cert_req(SSL *ssl);
+static int send_cert_verify(SSL *ssl);
+
+/*
+ * Establish a new SSL connection to an SSL server.
+ */
+EXP_FUNC SSL * STDCALL ssl_client_new(SSL_CTX *ssl_ctx, int client_fd, const
+        uint8_t *session_id, uint8_t sess_id_size)
+{
+    SSL *ssl;
+    int ret;
+
+    SOCKET_BLOCK(client_fd);    /* ensure blocking mode */
+    ssl = ssl_new(ssl_ctx, client_fd);
+
+    if (session_id && ssl_ctx->num_sessions)
+    {
+        if (sess_id_size > SSL_SESSION_ID_SIZE) /* validity check */
+        {
+            ssl_free(ssl);
+            return NULL;
+        }
+
+        memcpy(ssl->session_id, session_id, sess_id_size);
+        ssl->sess_id_size = sess_id_size;
+        SET_SSL_FLAG(SSL_SESSION_RESUME);   /* just flag for later */
+    }
+
+    SET_SSL_FLAG(SSL_IS_CLIENT);
+    ret = do_client_connect(ssl);
+    return ssl;
+}
+
+/*
+ * Process the handshake record.
+ */
+int do_clnt_handshake(SSL *ssl, int handshake_type, uint8_t *buf, int hs_len)
+{
+    int ret = SSL_OK;
+
+    /* To get here the state must be valid */
+    switch (handshake_type)
+    {
+        case HS_SERVER_HELLO:
+            ret = process_server_hello(ssl);
+            break;
+
+        case HS_CERTIFICATE:
+            ret = process_certificate(ssl, &ssl->x509_ctx);
+            break;
+
+        case HS_SERVER_HELLO_DONE:
+            if ((ret = process_server_hello_done(ssl)) == SSL_OK)
+            {
+                if (IS_SET_SSL_FLAG(SSL_HAS_CERT_REQ))
+                {
+                    if ((ret = send_certificate(ssl)) == SSL_OK &&
+                        (ret = send_client_key_xchg(ssl)) == SSL_OK)
+                    {
+                        send_cert_verify(ssl);
+                    }
+                }
+                else
+                {
+                    ret = send_client_key_xchg(ssl);
+                }
+
+                if (ret == SSL_OK && 
+                     (ret = send_change_cipher_spec(ssl)) == SSL_OK)
+                {
+                    ret = send_finished(ssl);
+                }
+            }
+            break;
+
+        case HS_CERT_REQ:
+            ret = process_cert_req(ssl);
+            break;
+
+        case HS_FINISHED:
+            ret = process_finished(ssl, hs_len);
+            disposable_free(ssl);   /* free up some memory */
+            break;
+
+        case HS_HELLO_REQUEST:
+            disposable_new(ssl);
+            ret = do_client_connect(ssl);
+            break;
+    }
+
+    return ret;
+}
+
+/*
+ * Do the handshaking from the beginning.
+ */
+int do_client_connect(SSL *ssl)
+{
+    int ret = SSL_OK;
+
+    send_client_hello(ssl);                 /* send the client hello */
+    ssl->bm_read_index = 0;
+    ssl->next_state = HS_SERVER_HELLO;
+    ssl->hs_status = SSL_NOT_OK;            /* not connected */
+    x509_free(ssl->x509_ctx);
+
+    /* sit in a loop until it all looks good */
+    while (ssl->hs_status != SSL_OK)
+    {
+        ret = basic_read(ssl, NULL);
+        
+        if (ret < SSL_OK)
+        { 
+            if (ret != SSL_ERROR_CONN_LOST)
+            {
+                /* let the server know we are dying and why */
+                if (send_alert(ssl, ret))
+                {
+                    /* something nasty happened, so get rid of it */
+                    kill_ssl_session(ssl->ssl_ctx->ssl_sessions, ssl);
+                }
+            }
+
+            break;
+        }
+    }
+
+    ssl->hs_status = ret;            /* connected? */
+    return ret;
+}
+
+/*
+ * Send the initial client hello.
+ */
+static int send_client_hello(SSL *ssl)
+{
+    uint8_t *buf = ssl->bm_data;
+    time_t tm = time(NULL);
+    uint8_t *tm_ptr = &buf[6]; /* time will go here */
+    int i, offset;
+
+    buf[0] = HS_CLIENT_HELLO;
+    buf[1] = 0;
+    buf[2] = 0;
+    /* byte 3 is calculated later */
+    buf[4] = 0x03;
+    buf[5] = 0x01;
+
+    /* client random value - spec says that 1st 4 bytes are big endian time */
+    *tm_ptr++ = (uint8_t)(((long)tm & 0xff000000) >> 24);
+    *tm_ptr++ = (uint8_t)(((long)tm & 0x00ff0000) >> 16);
+    *tm_ptr++ = (uint8_t)(((long)tm & 0x0000ff00) >> 8);
+    *tm_ptr++ = (uint8_t)(((long)tm & 0x000000ff));
+    get_random(SSL_RANDOM_SIZE-4, &buf[10]);
+    memcpy(ssl->dc->client_random, &buf[6], SSL_RANDOM_SIZE);
+    offset = 6 + SSL_RANDOM_SIZE;
+
+    /* give session resumption a go */
+    if (IS_SET_SSL_FLAG(SSL_SESSION_RESUME))    /* set initially by user */
+    {
+        buf[offset++] = ssl->sess_id_size;
+        memcpy(&buf[offset], ssl->session_id, ssl->sess_id_size);
+        offset += ssl->sess_id_size;
+        CLR_SSL_FLAG(SSL_SESSION_RESUME);       /* clear so we can set later */
+    }
+    else
+    {
+        /* no session id - because no session resumption just yet */
+        buf[offset++] = 0;
+    }
+
+    buf[offset++] = 0;              /* number of ciphers */
+    buf[offset++] = NUM_PROTOCOLS*2;/* number of ciphers */
+
+    /* put all our supported protocols in our request */
+    for (i = 0; i < NUM_PROTOCOLS; i++)
+    {
+        buf[offset++] = 0;          /* cipher we are using */
+        buf[offset++] = ssl_prot_prefs[i];
+    }
+
+    buf[offset++] = 1;              /* no compression */
+    buf[offset++] = 0;
+    buf[3] = offset - 4;            /* handshake size */
+
+    return send_packet(ssl, PT_HANDSHAKE_PROTOCOL, NULL, offset);
+}
+
+/*
+ * Process the server hello.
+ */
+static int process_server_hello(SSL *ssl)
+{
+    uint8_t *buf = ssl->bm_data;
+    int pkt_size = ssl->bm_index;
+    int version = (buf[4] << 4) + buf[5];
+    int num_sessions = ssl->ssl_ctx->num_sessions;
+    uint8_t sess_id_size;
+    int offset, ret = SSL_OK;
+
+    /* check that we are talking to a TLSv1 server */
+    if (version != 0x31)
+        return SSL_ERROR_INVALID_VERSION;
+
+    /* get the server random value */
+    memcpy(ssl->dc->server_random, &buf[6], SSL_RANDOM_SIZE);
+    offset = 6 + SSL_RANDOM_SIZE; /* skip of session id size */
+    sess_id_size = buf[offset++];
+
+    if (num_sessions)
+    {
+        ssl->session = ssl_session_update(num_sessions,
+                ssl->ssl_ctx->ssl_sessions, ssl, &buf[offset]);
+        memcpy(ssl->session->session_id, &buf[offset], sess_id_size);
+
+        /* pad the rest with 0's */
+        if (sess_id_size < SSL_SESSION_ID_SIZE)
+        {
+            memset(&ssl->session->session_id[sess_id_size], 0,
+                SSL_SESSION_ID_SIZE-sess_id_size);
+        }
+    }
+
+    memcpy(ssl->session_id, &buf[offset], sess_id_size);
+    ssl->sess_id_size = sess_id_size;
+    offset += sess_id_size;
+
+    /* get the real cipher we are using */
+    ssl->cipher = buf[++offset];
+    ssl->next_state = IS_SET_SSL_FLAG(SSL_SESSION_RESUME) ? 
+                                        HS_FINISHED : HS_CERTIFICATE;
+
+    offset++;   // skip the compr
+    PARANOIA_CHECK(pkt_size, offset);
+    ssl->dc->bm_proc_index = offset+1; 
+
+error:
+    return ret;
+}
+
+/**
+ * Process the server hello done message.
+ */
+static int process_server_hello_done(SSL *ssl)
+{
+    ssl->next_state = HS_FINISHED;
+    return SSL_OK;
+}
+
+/*
+ * Send a client key exchange message.
+ */
+static int send_client_key_xchg(SSL *ssl)
+{
+    uint8_t *buf = ssl->bm_data;
+    uint8_t premaster_secret[SSL_SECRET_SIZE];
+    int enc_secret_size = -1;
+
+    buf[0] = HS_CLIENT_KEY_XCHG;
+    buf[1] = 0;
+
+    premaster_secret[0] = 0x03; /* encode the version number */
+    premaster_secret[1] = 0x01;
+    get_random(SSL_SECRET_SIZE-2, &premaster_secret[2]);
+    DISPLAY_RSA(ssl, ssl->x509_ctx->rsa_ctx);
+
+    /* rsa_ctx->bi_ctx is not thread-safe */
+    SSL_CTX_LOCK(ssl->ssl_ctx->mutex);
+    enc_secret_size = RSA_encrypt(ssl->x509_ctx->rsa_ctx, premaster_secret,
+            SSL_SECRET_SIZE, &buf[6], 0);
+    SSL_CTX_UNLOCK(ssl->ssl_ctx->mutex);
+
+    buf[2] = (enc_secret_size + 2) >> 8;
+    buf[3] = (enc_secret_size + 2) & 0xff;
+    buf[4] = enc_secret_size >> 8;
+    buf[5] = enc_secret_size & 0xff;
+
+    generate_master_secret(ssl, premaster_secret);
+    return send_packet(ssl, PT_HANDSHAKE_PROTOCOL, NULL, enc_secret_size+6);
+}
+
+/*
+ * Process the certificate request.
+ */
+static int process_cert_req(SSL *ssl)
+{
+    uint8_t *buf = &ssl->bm_data[ssl->dc->bm_proc_index];
+    int ret = SSL_OK;
+    int offset = (buf[2] << 4) + buf[3];
+    int pkt_size = ssl->bm_index;
+
+    /* don't do any processing - we will send back an RSA certificate anyway */
+    ssl->next_state = HS_SERVER_HELLO_DONE;
+    SET_SSL_FLAG(SSL_HAS_CERT_REQ);
+    ssl->dc->bm_proc_index += offset;
+    PARANOIA_CHECK(pkt_size, offset);
+error:
+    return ret;
+}
+
+/*
+ * Send a certificate verify message.
+ */
+static int send_cert_verify(SSL *ssl)
+{
+    uint8_t *buf = ssl->bm_data;
+    uint8_t dgst[MD5_SIZE+SHA1_SIZE];
+    RSA_CTX *rsa_ctx = ssl->ssl_ctx->rsa_ctx;
+    int n = 0, ret;
+
+    DISPLAY_RSA(ssl, rsa_ctx);
+
+    buf[0] = HS_CERT_VERIFY;
+    buf[1] = 0;
+
+    finished_digest(ssl, NULL, dgst);   /* calculate the digest */
+
+    /* rsa_ctx->bi_ctx is not thread-safe */
+    if (rsa_ctx)
+    {
+        SSL_CTX_LOCK(ssl->ssl_ctx->mutex);
+        n = RSA_encrypt(rsa_ctx, dgst, sizeof(dgst), &buf[6], 1);
+        SSL_CTX_UNLOCK(ssl->ssl_ctx->mutex);
+
+        if (n == 0)
+        {
+            ret = SSL_ERROR_INVALID_KEY;
+            goto error;
+        }
+    }
+    
+    buf[4] = n >> 8;        /* add the RSA size (not officially documented) */
+    buf[5] = n & 0xff;
+    n += 2;
+    buf[2] = n >> 8;
+    buf[3] = n & 0xff;
+    ret = send_packet(ssl, PT_HANDSHAKE_PROTOCOL, NULL, n+4);
+
+error:
+    return ret;
+}
+
+#endif      /* CONFIG_SSL_ENABLE_CLIENT */