MFC mkimg(1) -- revisions 268159, 268134, 266556, 266514, 266513,

	266512, 266511, 266510, 266509, 266176, 265468, 265467,
	265462, 265170, 263926, 263924, 263923, 263919 and 263918.

Revision 267182 changed mkimg.1 alongside other unrelated manpages.
The change to mkimg.1 has been applied without registering a merge
of the revision. This allows a future merge of r267182 to happen.

Relnotes: yes

1 files changed, 188 insertions, 0 deletions

diff --git a/usr.bin/mkimg/scheme.c b/usr.bin/mkimg/scheme.c
new file mode 100644
index 0000000..7546ae2
--- /dev/null
+++ b/usr.bin/mkimg/scheme.c
@@ -0,0 +1,188 @@
+/*-
+ * Copyright (c) 2013,2014 Juniper Networks, Inc.
+ * All rights reserved.
+ *
+ * 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 above 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 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.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/types.h>
+#include <sys/linker_set.h>
+#include <sys/queue.h>
+#include <sys/stat.h>
+#include <err.h>
+#include <errno.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "image.h"
+#include "mkimg.h"
+#include "scheme.h"
+
+static struct {
+	const char *name;
+	enum alias alias;
+} scheme_alias[] = {
+	{ "ebr", ALIAS_EBR },
+	{ "efi", ALIAS_EFI },
+	{ "fat32", ALIAS_FAT32 },
+	{ "freebsd", ALIAS_FREEBSD },
+	{ "freebsd-boot", ALIAS_FREEBSD_BOOT },
+	{ "freebsd-nandfs", ALIAS_FREEBSD_NANDFS },
+	{ "freebsd-swap", ALIAS_FREEBSD_SWAP },
+	{ "freebsd-ufs", ALIAS_FREEBSD_UFS },
+	{ "freebsd-vinum", ALIAS_FREEBSD_VINUM },
+	{ "freebsd-zfs", ALIAS_FREEBSD_ZFS },
+	{ "mbr", ALIAS_MBR },
+	{ NULL, ALIAS_NONE }		/* Keep last! */
+};
+
+static struct mkimg_scheme *scheme;
+static void *bootcode;
+
+static enum alias
+scheme_parse_alias(const char *name)
+{
+	u_int idx;
+
+	idx = 0;
+	while (scheme_alias[idx].name != NULL) {
+		if (strcasecmp(scheme_alias[idx].name, name) == 0)
+			return (scheme_alias[idx].alias);
+		idx++;
+	}
+	return (ALIAS_NONE);
+}
+
+int
+scheme_select(const char *spec)
+{
+	struct mkimg_scheme *s, **iter;
+
+	SET_FOREACH(iter, schemes) {
+		s = *iter;
+		if (strcasecmp(spec, s->name) == 0) {
+			scheme = s;
+			return (0);
+		}
+	}
+	return (EINVAL);
+}
+
+struct mkimg_scheme *
+scheme_selected(void)
+{
+
+	return (scheme);
+}
+
+int
+scheme_bootcode(int fd)
+{
+	struct stat sb;
+
+	if (scheme->bootcode == 0)
+		return (ENXIO);
+
+	if (fstat(fd, &sb) == -1)
+		return (errno);
+	if (sb.st_size > scheme->bootcode)
+		return (EFBIG);
+
+	bootcode = malloc(scheme->bootcode);
+	if (bootcode == NULL)
+		return (ENOMEM);
+	memset(bootcode, 0, scheme->bootcode);
+	if (read(fd, bootcode, sb.st_size) != sb.st_size) {
+		free(bootcode);
+		bootcode = NULL;
+		return (errno);
+	}
+	return (0);
+}
+
+int
+scheme_check_part(struct part *p)
+{
+	struct mkimg_alias *iter;
+	enum alias alias;
+
+	/* Check the partition type alias */
+	alias = scheme_parse_alias(p->alias);
+	if (alias == ALIAS_NONE)
+		return (EINVAL);
+
+	iter = scheme->aliases;
+	while (iter->alias != ALIAS_NONE) {
+		if (alias == iter->alias)
+			break;
+		iter++;
+	}
+	if (iter->alias == ALIAS_NONE)
+		return (EINVAL);
+	p->type = iter->type;
+
+	/* Validate the optional label. */
+	if (p->label != NULL) {
+		if (strlen(p->label) > scheme->labellen)
+			return (EINVAL);
+	}
+
+	return (0);
+}
+
+u_int
+scheme_max_parts(void)
+{
+
+	return (scheme->nparts);
+}
+
+u_int
+scheme_max_secsz(void)
+{
+
+	return (scheme->maxsecsz);
+}
+
+lba_t
+scheme_metadata(u_int where, lba_t start)
+{
+	lba_t secs;
+
+	secs = scheme->metadata(where);
+	return (round_block(start + secs));
+}
+
+int
+scheme_write(lba_t end)
+{
+	int error;
+
+	end = image_get_size();
+	error = scheme->write(end, bootcode);
+	return (error);
+}