xnu-4570.41.2.tar.gz

[apple/xnu.git] / bsd / kern / netboot.c

diff --git a/bsd/kern/netboot.c b/bsd/kern/netboot.c
index 664f03ef7f2a033cd34eb1af3f7355a0d8adba7f..e8bdddb34f618145b1219e2bcd8800f2c27723e6 100644 (file)
--- a/bsd/kern/netboot.c
+++ b/bsd/kern/netboot.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001-2010 Apple Inc. All rights reserved.
+ * Copyright (c) 2001-2013 Apple Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
@@ -53,7 +53,6 @@
 #include <netinet/in.h>
 #include <netinet/if_ether.h>
 #include <netinet/dhcp_options.h>
-#include <netinet/in_dhcp.h>
 
 #include <kern/kern_types.h>
 #include <kern/kalloc.h>
@@ -86,9 +85,6 @@ IOBSDRegistryEntryGetData(void * entry, const char * property_name,
 #define BSDP_RESPONSE  "bsdp-response"
 #define DHCP_RESPONSE  "dhcp-response"
 
-/* forward declarations */
-int    inet_aton(char * cp, struct in_addr * pin);
-
 #define IP_FORMAT      "%d.%d.%d.%d"
 #define IP_CH(ip)      ((u_char *)ip)
 #define IP_LIST(ip)    IP_CH(ip)[0],IP_CH(ip)[1],IP_CH(ip)[2],IP_CH(ip)[3]
@@ -591,6 +587,7 @@ find_interface(void)
 {
     struct ifnet *             ifp = NULL;
 
+    dlil_if_lock();
     if (rootdevice[0]) {
                ifp = ifunit((char *)rootdevice);
     }
@@ -601,9 +598,44 @@ find_interface(void)
                                break;
                ifnet_head_done();
     }
+    dlil_if_unlock();
     return (ifp);
 }
 
+static const struct sockaddr_in blank_sin = {
+    sizeof(struct sockaddr_in),
+    AF_INET,
+    0,
+    { 0 },
+    { 0, 0, 0, 0, 0, 0, 0, 0 }
+};
+
+static int
+inet_aifaddr(struct socket * so, const char * name,
+            const struct in_addr * addr,
+            const struct in_addr * mask,
+            const struct in_addr * broadcast)
+{
+    struct ifaliasreq  ifra;
+
+    bzero(&ifra, sizeof(ifra));
+    strlcpy(ifra.ifra_name, name, sizeof(ifra.ifra_name));
+    if (addr) {
+       *((struct sockaddr_in *)(void *)&ifra.ifra_addr) = blank_sin;
+       ((struct sockaddr_in *)(void *)&ifra.ifra_addr)->sin_addr = *addr;
+    }
+    if (mask) {
+       *((struct sockaddr_in *)(void *)&ifra.ifra_mask) = blank_sin;
+       ((struct sockaddr_in *)(void *)&ifra.ifra_mask)->sin_addr = *mask;
+    }
+    if (broadcast) {
+       *((struct sockaddr_in *)(void *)&ifra.ifra_broadaddr) = blank_sin;
+       ((struct sockaddr_in *)(void *)&ifra.ifra_broadaddr)->sin_addr = *broadcast;
+    }
+    return (ifioctl(so, SIOCAIFADDR, (caddr_t)&ifra, current_proc()));
+}
+
+
 int
 netboot_mountroot(void)
 {
@@ -626,8 +658,7 @@ netboot_mountroot(void)
        error = ENXIO;
        goto failed;
     }
-    snprintf(ifr.ifr_name, sizeof(ifr.ifr_name), "%s%d", ifp->if_name,
-            ifp->if_unit);
+    snprintf(ifr.ifr_name, sizeof(ifr.ifr_name), "%s", if_name(ifp));
     printf("netboot: using network interface '%s'\n", ifr.ifr_name);
 
     /* bring it up */
@@ -644,12 +675,8 @@ netboot_mountroot(void)
 
     /* grab information from the registry */
     if (get_ip_parameters(&iaddr, &netmask, &router) == FALSE) {
-       /* use DHCP to retrieve IP address, netmask and router */
-       error = dhcp(ifp, &iaddr, 64, &netmask, &router, procp);
-       if (error) {
-           printf("netboot: DHCP failed %d\n", error);
-           goto failed;
-       }
+       printf("netboot: can't retrieve IP parameters\n");
+       goto failed;
     }
     printf("netboot: IP address " IP_FORMAT, IP_LIST(&iaddr));
     if (netmask.s_addr) {