installers: Install ldlinux.c32 automaticallysyslinux-5.00-pre8

Because ldlinux.c32 is required for Syslinux to function correctly, we
should be installing it automatically much like ldlinux.sys.

Signed-off-by: Matt Fleming <matt.fleming@intel.com>

2 files changed, 46 insertions, 10 deletions

diff --git a/linux/Makefile b/linux/Makefile
index 08a3ed49..d7facaf4 100644
--- a/linux/Makefile
+++ b/linux/Makefile
@@ -31,6 +31,7 @@ SRCS     = syslinux.c \
            ../libinstaller/fs.c \
            ../libinstaller/syslxmod.c \
 	   ../libinstaller/bootsect_bin.c \
+	   ../libinstaller/ldlinuxc32_bin.c \
 	   ../libinstaller/ldlinux_bin.c
 OBJS	 = $(patsubst %.c,%.o,$(notdir $(SRCS)))
 
diff --git a/linux/syslinux.c b/linux/syslinux.c
index 4b13b7fe..f4749ead 100755
--- a/linux/syslinux.c
+++ b/linux/syslinux.c
@@ -238,6 +238,24 @@ int modify_existing_adv(const char *path)
     return 0;
 }
 
+int do_open_file(char *name)
+{
+    int fd;
+
+    if ((fd = open(name, O_RDONLY)) >= 0) {
+	uint32_t zero_attr = 0;
+	ioctl(fd, FAT_IOCTL_SET_ATTRIBUTES, &zero_attr);
+	close(fd);
+    }
+
+    unlink(name);
+    fd = open(name, O_WRONLY | O_CREAT | O_TRUNC, 0444);
+    if (fd < 0)
+	perror(opt.device);
+
+    return fd;
+}
+
 int main(int argc, char *argv[])
 {
     static unsigned char sectbuf[SECTOR_SIZE];
@@ -253,7 +271,7 @@ int main(int argc, char *argv[])
     const char *errmsg;
     int mnt_cookie;
     int patch_sectors;
-    int i;
+    int i, rv;
 
     mypid = getpid();
     umask(077);
@@ -408,16 +426,8 @@ int main(int argc, char *argv[])
     if (modify_adv() < 0)
 	exit(1);
 
-    if ((fd = open(ldlinux_name, O_RDONLY)) >= 0) {
-	uint32_t zero_attr = 0;
-	ioctl(fd, FAT_IOCTL_SET_ATTRIBUTES, &zero_attr);
-	close(fd);
-    }
-
-    unlink(ldlinux_name);
-    fd = open(ldlinux_name, O_WRONLY | O_CREAT | O_TRUNC, 0444);
+    fd = do_open_file(ldlinux_name);
     if (fd < 0) {
-	perror(opt.device);
 	err = 1;
 	goto umount;
     }
@@ -451,6 +461,31 @@ int main(int argc, char *argv[])
     close(fd);
     sync();
 
+    sprintf(ldlinux_name, "%sldlinux.c32", ldlinux_path);
+    fd = do_open_file(ldlinux_name);
+    if (fd < 0) {
+	err = 1;
+	goto umount;
+    }
+
+    rv = xpwrite(fd, syslinux_ldlinuxc32, syslinux_ldlinuxc32_len, 0);
+    if (rv != (int)syslinux_ldlinuxc32_len) {
+	fprintf(stderr, "%s: write failure on %s\n", program, ldlinux_name);
+	exit(1);
+    }
+
+    fsync(fd);
+    /*
+     * Set the attributes
+     */
+    {
+	uint32_t attr = 0x07;	/* Hidden+System+Readonly */
+	ioctl(fd, FAT_IOCTL_SET_ATTRIBUTES, &attr);
+    }
+
+    close(fd);
+    sync();
+
 umount:
     do_umount(mntpath, mnt_cookie);
     sync();