Very rough first start, not even everything added

2017-03-07 14:51:44 -08:00 · 2017-03-07 14:51:44 -08:00 · af3619d4fa
commit af3619d4fa
88 changed files with 24251 additions and 0 deletions
--- a/PlaylistBroadcaster.tproj/GetLocalIPAddressString.c
+++ b/PlaylistBroadcaster.tproj/GetLocalIPAddressString.c
@ -0,0 +1,165 @@
+/*
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ *
+ * Copyright (c) 1999-2008 Apple Inc.  All Rights Reserved.
+ *
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ * 
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ * 
+ * @APPLE_LICENSE_HEADER_END@
+ *
+ */
+#include "GetLocalIPAddressString.h"
+
+
+#ifdef __MACOS__
+    #include "BogusDefs.h"
+#else
+    #include <string.h>
+    #include <fcntl.h>
+    #include <sys/types.h>
+    #include <sys/socket.h>
+    #include <netinet/in.h>
+    #include <arpa/inet.h>
+    #include <sys/ioctl.h>
+    #include <netinet/in.h>
+    #include <net/if.h>
+    
+
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "SafeStdLib.h"
+#include <unistd.h>
+#include <string.h>
+
+#if __solaris__ || __sgi__
+    #include <sys/sockio.h>
+    #include <stropts.h>
+#endif
+
+
+short GetLocalIPAddressString(char *returnStr, short maxSize)
+{
+    short result = 0;
+    int err = -1;
+        
+    char defaultAddress[] = "255.255.255.255";
+    char* addr = defaultAddress;
+    do 
+    {
+    
+        //Most of this code is similar to the SIOCGIFCONF code presented in Stevens,
+        //Unix Network Programming, section 16.6
+        
+        //Use the SIOCGIFCONF ioctl call to iterate through the network interfaces
+        static const UInt32 kMaxAddrBufferSize = 2048;
+        
+        char* ifReqIter = NULL;
+        struct ifconf ifc;
+        struct ifreq* ifr;
+        char buffer[kMaxAddrBufferSize];
+        
+        int tempSocket = socket(AF_INET, SOCK_DGRAM, 0);
+        if (tempSocket == -1) break;
+            
+        ifc.ifc_len = kMaxAddrBufferSize;
+        ifc.ifc_buf = buffer;
+        
+#if (__linux__ || __MacOSX__ || __MACOS__ || __linuxppc__ || __solaris__ || __sgi__)
+        err = ioctl(tempSocket, SIOCGIFCONF, (char*)&ifc);
+#elif __FreeBSD__
+        err = ioctl(tempSocket, OSIOCGIFCONF, (char*)&ifc);
+#else
+        #error
+#endif
+        if (err == -1) break;
+        
+
+#if __FreeBSD__
+        {
+            int netdev1, netdev2;
+            struct ifreq *netdevifr;
+            netdevifr = ifc.ifc_req;
+            netdev1 = ifc.ifc_len / sizeof(struct ifreq);
+            for (netdev2=netdev1-1; netdev2>=0; netdev2--)
+                {
+                if (ioctl(tempSocket, SIOCGIFADDR, &netdevifr[netdev2]) != 0)
+                    continue;
+                }
+        }
+#endif
+
+        
+        close(tempSocket);
+        tempSocket = -1;
+
+//      int numIPAddrs = 0;
+        
+        for (ifReqIter = buffer; ifReqIter < (buffer + ifc.ifc_len);)
+        {
+            ifr = (struct ifreq*)ifReqIter;
+#if __MacOSX__ 
+            ifReqIter += sizeof(ifr->ifr_name) + ifr->ifr_addr.sa_len;
+            if (ifr->ifr_addr.sa_len == 0)
+            {
+                switch (ifr->ifr_addr.sa_family)
+                {
+                    case AF_INET:
+                        ifReqIter += sizeof(struct sockaddr_in);
+                        break;
+                    default:
+                        ifReqIter += sizeof(struct sockaddr);
+                }
+            }
+#else
+            ifReqIter += sizeof(ifr->ifr_name) + 0;
+            switch (ifr->ifr_addr.sa_family)
+            {
+                case AF_INET:
+                    ifReqIter += sizeof(struct sockaddr_in);
+                    break;
+                default:
+                    ifReqIter += sizeof(struct sockaddr);
+            }
+#endif
+                
+            //Only count interfaces in the AF_INET family.
+            //And don't count localhost, loopback interfaces
+            if ((ifr->ifr_addr.sa_family == AF_INET) && (strncmp(ifr->ifr_name, "lo", 2) != 0))
+            {
+                struct sockaddr_in* addrPtr = (struct sockaddr_in*)&ifr->ifr_addr;  
+                addr = inet_ntoa(addrPtr->sin_addr);
+                //qtss_printf("found local address: %s\n", addr);
+                err = 0;
+                break;
+            }
+        }
+    
+    } while (0);
+        
+
+    result = strlen(addr);
+    
+    if (maxSize < result)
+    {   err = -1;
+    }
+    else
+        strcpy(returnStr, addr);
+
+    return err;
+}