X-Git-Url: https://git.gag.com/?a=blobdiff_plain;ds=sidebyside;f=src%2Flib%2Fefi.c.orig;fp=src%2Flib%2Fefi.c.orig;h=0000000000000000000000000000000000000000;hb=438378f384ede73602fcdfd288e45ac41d933bb0;hp=2257e9f960c01d2db51ba774b5a1e33f707e8c3f;hpb=5a32ac6f167fe2ffdd5711ceafe2b39db8ad1ce0;p=debian%2Fefibootmgr

diff --git a/src/lib/efi.c.orig b/src/lib/efi.c.orig
deleted file mode 100644
index 2257e9f..0000000
--- a/src/lib/efi.c.orig
+++ /dev/null
@@ -1,765 +0,0 @@
-/*
-  efivars_proc.[ch] - Manipulates EFI variables as exported in /proc/efi/vars
-
-  Copyright (C) 2001,2003 Dell Computer Corporation <Matt_Domsch@dell.com>
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-
-#include <ctype.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <errno.h>
-#include <stdint.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <limits.h>
-#include <unistd.h>
-#include <dirent.h>
-#include <sys/socket.h>
-#include <sys/types.h>
-#include <sys/ioctl.h>
-#include <linux/sockios.h>
-#include <net/if.h>
-#include <pci/pci.h>
-#include <linux/ethtool.h>
-#include "efi.h"
-#include "efichar.h"
-#include "scsi_ioctls.h"
-#include "disk.h"
-#include "efibootmgr.h"
-#include "efivars_procfs.h"
-#include "efivars_sysfs.h"
-#include "list.h"
-
-static struct efivar_kernel_calls *fs_kernel_calls;
-
-EFI_DEVICE_PATH *
-load_option_path(EFI_LOAD_OPTION *option)
-{
-	char *p = (char *) option;
-	return (EFI_DEVICE_PATH *)
-		(p + sizeof(uint32_t) /* Attributes */
-		 + sizeof(uint16_t)   /* FilePathListLength*/
-		 + efichar_strsize(option->description)); /* Description */
-}
-
-char *
-efi_guid_unparse(efi_guid_t *guid, char *out)
-{
-	sprintf(out, "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x",
-		guid->b[3], guid->b[2], guid->b[1], guid->b[0],
-		guid->b[5], guid->b[4], guid->b[7], guid->b[6],
-		guid->b[8], guid->b[9], guid->b[10], guid->b[11],
-		guid->b[12], guid->b[13], guid->b[14], guid->b[15]);
-        return out;
-}
-
-void
-set_fs_kernel_calls()
-{
-	char name[PATH_MAX];
-	DIR *dir;
-	snprintf(name, PATH_MAX, "%s", SYSFS_DIR_EFI_VARS);
-	dir = opendir(name);
-	if (dir) {
-		closedir(dir);
-		fs_kernel_calls = &sysfs_kernel_calls;
-		return;
-	}
-
-	snprintf(name, PATH_MAX, "%s", PROCFS_DIR_EFI_VARS);
-	dir = opendir(name);
-	if (dir) {
-		closedir(dir);
-		fs_kernel_calls = &procfs_kernel_calls;
-		return;
-	}
-	fprintf(stderr, "Fatal: Couldn't open either sysfs or procfs directories for accessing EFI variables.\n");
-	fprintf(stderr, "Try 'modprobe efivars' as root.\n");
-	exit(1);
-}
-
-
-
-static efi_status_t
-write_variable_to_file(efi_variable_t *var)
-{
-	int fd, byteswritten;
-	if (!var || !opts.testfile) return EFI_INVALID_PARAMETER;
-
-	printf("Test mode: Writing to %s\n", opts.testfile);
-	fd = creat(opts.testfile, S_IRWXU);
-	if (fd == -1) {
-		perror("Couldn't write to testfile");
-		return EFI_INVALID_PARAMETER;
-	}
-
-	byteswritten = write(fd, var, sizeof(*var));
-	if (byteswritten == -1) {
-		perror("Writing to testfile");
-
-	}
-	close(fd);
-	return EFI_SUCCESS;
-}
-
-efi_status_t
-read_variable(const char *name, efi_variable_t *var)
-{
-	if (!name || !var) return EFI_INVALID_PARAMETER;
-	return fs_kernel_calls->read(name, var);
-}
-
-efi_status_t
-create_variable(efi_variable_t *var)
-{
-	if (!var) return EFI_INVALID_PARAMETER;
-	if (opts.testfile) return write_variable_to_file(var);
-	return fs_kernel_calls->create(var);
-}
-
-efi_status_t
-delete_variable(efi_variable_t *var)
-{
-	if (!var) return EFI_INVALID_PARAMETER;
-	if (opts.testfile) return write_variable_to_file(var);
-	return fs_kernel_calls->delete(var);
-}
-
-
-efi_status_t
-edit_variable(efi_variable_t *var)
-{
-	char name[PATH_MAX];
-	if (!var) return EFI_INVALID_PARAMETER;
-	if (opts.testfile) return write_variable_to_file(var);
-
-	variable_to_name(var, name);
-	return fs_kernel_calls->edit(name, var);
-}
-
-efi_status_t
-create_or_edit_variable(efi_variable_t *var)
-{
-	efi_variable_t testvar;
-	char name[PATH_MAX];
-
-	memcpy(&testvar, var, sizeof(*var));
-	variable_to_name(var, name);
-
-	if (read_variable(name, &testvar) == EFI_SUCCESS)
-		return edit_variable(var);
-	else
-		return create_variable(var);
-}
-
-static int
-select_boot_var_names(const struct dirent *d)
-{
-	if (!strncmp(d->d_name, "Boot", 4) &&
-	    isxdigit(d->d_name[4]) && isxdigit(d->d_name[5]) &&
-	    isxdigit(d->d_name[6]) && isxdigit(d->d_name[7]) &&
-	    d->d_name[8] == '-')
-		return 1;
-	return 0;
-}
-
-int
-read_boot_var_names(struct dirent ***namelist)
-{
-	if (!fs_kernel_calls || !namelist) return -1;
-	return scandir(fs_kernel_calls->path,
-		       namelist, select_boot_var_names,
-		       alphasort);
-}
-
-
-static int
-get_edd_version()
-{
-	efi_status_t status;
-	efi_variable_t var;
-	efi_guid_t guid = BLKX_UNKNOWN_GUID;
-	char name[80], text_guid[40];
-	ACPI_DEVICE_PATH *path = (ACPI_DEVICE_PATH *)&(var.Data);
-	int rc = 0;
-
-	/* Allow global user option override */
-
-	switch (opts.edd_version)
-	{
-	case 0: /* No EDD information */
-		return 0;
-		break;
-	case 1: /* EDD 1.0 */
-		return 1;
-		break;
-	case 3: /* EDD 3.0 */
-		return 3;
-		break;
-	default:
-		break;
-	}
-
-
-	memset(&var, 0, sizeof(efi_variable_t));
-	efi_guid_unparse(&guid, text_guid);
-	sprintf(name, "blk0-%s", text_guid);
-
-	status = read_variable(name, &var);
-	if (status != EFI_SUCCESS) {
-		return 0;
-	}
-	if (path->type == 2 && path->subtype == 1) rc = 3;
-	else rc = 1;
-	return rc;
-}
-
-/*
-  EFI_DEVICE_PATH, 0x01 (Hardware), 0x04 (Vendor), length 0x0018
-  This needs to know what EFI device has the boot device.
-*/
-static uint16_t
-make_edd10_device_path(void *dest, uint32_t hardware_device)
-{
-	VENDOR_DEVICE_PATH *hw;
-	char buffer[EDD10_HARDWARE_VENDOR_PATH_LENGTH];
-	efi_guid_t guid = EDD10_HARDWARE_VENDOR_PATH_GUID;
-	uint32_t *data;
-	memset(buffer, 0, sizeof(buffer));
-	hw = (VENDOR_DEVICE_PATH *)buffer;
-	data = (uint32_t *)hw->data;
-	hw->type = 0x01; /* Hardware Device Path */
-	hw->subtype = 0x04; /* Vendor */
-	hw->length = EDD10_HARDWARE_VENDOR_PATH_LENGTH;
-	memcpy(&(hw->vendor_guid), &guid, sizeof(guid));
-	*data = hardware_device;
-	memcpy(dest, buffer, hw->length);
-	return hw->length;
-}
-
-static uint16_t
-make_end_device_path(void *dest)
-{
-	END_DEVICE_PATH p;
-	memset(&p, 0, sizeof(p));
-	p.type = 0x7F; /* End of Hardware Device Path */
-	p.subtype = 0xFF; /* End Entire Device Path */
-	p.length = sizeof(p);
-	memcpy(dest, &p, p.length);
-	return p.length;
-}
-
-static uint16_t
-make_acpi_device_path(void *dest, uint32_t _HID, uint32_t _UID)
-{
-	ACPI_DEVICE_PATH p;
-	memset(&p, 0, sizeof(p));
-	p.type = 2;
-	p.subtype = 1;
-	p.length = sizeof(p);
-	p._HID = _HID;
-	p._UID = _UID;
-	memcpy(dest, &p, p.length);
-	return p.length;
-}
-
-static uint16_t
-make_mac_addr_device_path(void *dest, char *mac, uint8_t iftype)
-{
-
-        int i;
-	MAC_ADDR_DEVICE_PATH p;
-	memset(&p, 0, sizeof(p));
-	p.type = 3;
-	p.subtype = 11;
-	p.length = sizeof(p);
-	for (i=0; i < 14; i++) {
-		p.macaddr[i] = mac[i];
-	}
-	p.iftype = iftype;
-	memcpy(dest, &p, p.length);
-	return p.length;
-}
-
-struct device
-{
-	struct pci_dev *pci_dev;
-	struct list_head node;
-};
-
-static struct device *
-is_parent_bridge(struct pci_dev *p, unsigned int target_bus)
-{
-	struct device *d;
- 	unsigned int primary, secondary;
-
-	if ( (pci_read_word(p, PCI_HEADER_TYPE) & 0x7f) != PCI_HEADER_TYPE_BRIDGE)
-		return NULL;
-
-	primary=pci_read_byte(p, PCI_PRIMARY_BUS);
-	secondary=pci_read_byte(p, PCI_SECONDARY_BUS);
-
-
-	if (secondary != target_bus)
-		return NULL;
-
-	d = malloc(sizeof(struct device));
-	if (!d)
-		return NULL;
-	memset(d, 0, sizeof(*d));
-	INIT_LIST_HEAD(&d->node);
-
-	d->pci_dev = p;
-
-	return d;
-}
-
-static struct device *
-find_parent(struct pci_access *pacc, unsigned int target_bus)
-{
-	struct device *dev;
-	struct pci_dev *p;
-
-	for (p=pacc->devices; p; p=p->next) {
-		dev = is_parent_bridge(p, target_bus);
-		if (dev)
-			return dev;
-	}
-	return NULL;
-}
-
-static uint16_t
-make_one_pci_device_path(void *dest, uint8_t device, uint8_t function)
-{
-	PCI_DEVICE_PATH p;
-	memset(&p, 0, sizeof(p));
-	p.type = 1;
-	p.subtype = 1;
-	p.length   = sizeof(p);
-	p.device   = device;
-	p.function = function;
-	memcpy(dest, &p, p.length);
-	return p.length;
-}
-
-static uint16_t
-make_pci_device_path(void *dest, uint8_t bus, uint8_t device, uint8_t function)
-{
-	struct device *dev;
-	struct pci_access *pacc;
-	struct list_head *pos, *n;
-	LIST_HEAD(pci_parent_list);
-	char *p = dest;
-
-	pacc = pci_alloc();
-	if (!pacc)
-		return 0;
-
-	pci_init(pacc);
-	pci_scan_bus(pacc);
-
-	do {
-		dev = find_parent(pacc, bus);
-		if (dev) {
-			list_add(&pci_parent_list, &dev->node);
-			bus = dev->pci_dev->bus;
-		}
-	} while (dev && bus);
-
-
-	list_for_each_safe(pos, n, &pci_parent_list) {
-		dev = list_entry(pos, struct device, node);
-		p += make_one_pci_device_path(p,
-					      dev->pci_dev->dev,
-					      dev->pci_dev->func);
-		list_del(&dev->node);
-		free(dev);
-	}
-
-	p += make_one_pci_device_path(p, device, function);
-
-	pci_cleanup(pacc);
-
-	return ((void *)p - dest);
-}
-
-static uint16_t
-make_scsi_device_path(void *dest, uint16_t id, uint16_t lun)
-{
-	SCSI_DEVICE_PATH p;
-	memset(&p, 0, sizeof(p));
-	p.type = 3;
-	p.subtype = 2;
-	p.length   = sizeof(p);
-	p.id       = id;
-	p.lun      = lun;
-	memcpy(dest, &p, p.length);
-	return p.length;
-}
-
-static uint16_t
-make_harddrive_device_path(void *dest, uint32_t num, uint64_t start, uint64_t size,
-			   uint8_t *signature,
-			   uint8_t mbr_type, uint8_t signature_type)
-{
-	HARDDRIVE_DEVICE_PATH p;
-	memset(&p, 0, sizeof(p));
-	p.type = 4;
-	p.subtype = 1;
-	p.length   = sizeof(p);
-	p.part_num = num;
-	p.start = start;
-	p.size = size;
-	if (signature) memcpy(p.signature, signature, 16);
-	p.mbr_type = mbr_type;
-	p.signature_type = signature_type;
-	memcpy(dest, &p, p.length);
-	return p.length;
-}
-
-static uint16_t
-make_file_path_device_path(void *dest, efi_char16_t *name)
-{
-	FILE_PATH_DEVICE_PATH *p;
-	char buffer[1024];
-	int namelen  = efichar_strlen(name, -1);
-	int namesize = efichar_strsize(name);
-
-	memset(buffer, 0, sizeof(buffer));
-	p = (FILE_PATH_DEVICE_PATH *)buffer;
-	p->type      = 4;
-	p->subtype   = 4;
-	p->length    = 4 + namesize;
-	efichar_strncpy(p->path_name,
-			name, namelen);
-
-	memcpy(dest, buffer, p->length);
-	return p->length;
-
-}
-
-
-
-static long
-make_edd30_device_path(int fd, void *buffer)
-{
-	int rc=0;
-	unsigned char bus=0, device=0, function=0;
-	Scsi_Idlun idlun;
-	unsigned char host=0, channel=0, id=0, lun=0;
-	char *p = buffer;
-
-
-	rc = disk_get_pci(fd, &bus, &device, &function);
-	if (rc) return 0;
-
-	memset(&idlun, 0, sizeof(idlun));
-	rc = get_scsi_idlun(fd, &idlun);
-	if (rc) return 0;
-	idlun_to_components(&idlun, &host, &channel, &id, &lun);
-
-	p += make_acpi_device_path      (p, EISAID_PNP0A03, bus);
-	p += make_pci_device_path       (p, bus, device, function);
-	p += make_scsi_device_path      (p, id, lun);
-	return ((void *)p - buffer);
-}
-
-/**
- * make_disk_load_option()
- * @disk disk
- *
- * Returns 0 on error, length of load option created on success.
- */
-char *make_disk_load_option(char *p, char *disk)
-{
-    int disk_fd=0;
-    char buffer[80];
-    char signature[16];
-    int rc, edd_version=0;
-    uint8_t mbr_type=0, signature_type=0;
-    uint64_t start=0, size=0;
-    efi_char16_t os_loader_path[40];
-
-    memset(signature, 0, sizeof(signature));
-
-    disk_fd = open(opts.disk, O_RDWR);
-    if (disk_fd == -1) {
-        sprintf(buffer, "Could not open disk %s", opts.disk);
-	perror(buffer);
-	return 0;
-    }
-
-    if (opts.edd_version) {
-        edd_version = get_edd_version();
-
-	if (edd_version == 3) {
-	    p += make_edd30_device_path(disk_fd, p);
-	}
-	else if (edd_version == 1) {
-	    p += make_edd10_device_path(p, opts.edd10_devicenum);
-	}
-    }
-
-    rc = disk_get_partition_info (disk_fd, opts.part,
-				  &start, &size, signature,
-				  &mbr_type, &signature_type);
-
-    close(disk_fd);
-
-    if (rc) {
-        fprintf(stderr, "Error: no partition information on disk %s.\n"
-		"       Cowardly refusing to create a boot option.\n",
-		opts.disk);
-	return 0;
-    }
-
-    p += make_harddrive_device_path (p, opts.part,
-				     start, size,
-				     signature,
-				     mbr_type, signature_type);
-
-    efichar_from_char(os_loader_path, opts.loader, sizeof(os_loader_path));
-    p += make_file_path_device_path (p, os_loader_path);
-    p += make_end_device_path       (p);
-
-    return(p);
-}
-
-/**
- * make_net_load_option()
- * @data - load option returned
- *
- * Returns NULL on error, or p advanced by length of load option
- * created on success.
- */
-char *make_net_load_option(char *p, char *iface)
-{
-    /* copied pretty much verbatim from the ethtool source */
-    int fd = 0, err; 
-    int bus, slot, func;
-    struct ifreq ifr;
-    struct ethtool_drvinfo drvinfo;
-
-    memset(&ifr, 0, sizeof(ifr));
-    strcpy(ifr.ifr_name, iface);
-    drvinfo.cmd = ETHTOOL_GDRVINFO;
-    ifr.ifr_data = (caddr_t)&drvinfo;
-    /* Open control socket */
-    fd = socket(AF_INET, SOCK_DGRAM, 0);
-    if (fd < 0) {
-        perror("Cannot get control socket");
-	goto out;
-    }
-    err = ioctl(fd, SIOCETHTOOL, &ifr);
-    if (err < 0) {
-        perror("Cannot get driver information");
-	goto out;
-    }
-
-    /* The domain part was added in 2.6 kernels.  Test for that first. */
-    err = sscanf(drvinfo.bus_info, "%*x:%2x:%2x.%x", &bus, &slot, &func);
-    if (err != 3) {
-	    err = sscanf(drvinfo.bus_info, "%2x:%2x.%x", &bus, &slot, &func);
-	    if (err != 3) {
-		    perror("Couldn't parse device location string.");
-		    goto out;
-	    }
-    }
-
-    err = ioctl(fd, SIOCGIFHWADDR, &ifr);
-    if (err < 0) {
-        perror("Cannot get hardware address.");
-	goto out;
-    }
-
-    p += make_acpi_device_path(p, opts.acpi_hid, opts.acpi_uid);
-    p += make_pci_device_path(p, bus, (uint8_t)slot, (uint8_t)func);
-    p += make_mac_addr_device_path(p, ifr.ifr_ifru.ifru_hwaddr.sa_data, 0);
-    p += make_end_device_path       (p);
-    return(p);
- out:
-    return NULL;
-}
-
-/**
- * make_linux_load_option()
- * @data - load option returned
- *
- * Returns 0 on error, length of load option created on success.
- */
-static unsigned long
-make_linux_load_option(void *data)
-{
-	EFI_LOAD_OPTION *load_option = data;
-	char *p = data, *q;
-	efi_char16_t description[64];
-	unsigned long datasize=0;
-
-	/* Write Attributes */
-	if (opts.active) load_option->attributes = LOAD_OPTION_ACTIVE;
-	else             load_option->attributes = 0;
-
-	p += sizeof(uint32_t);
-	/* skip writing file_path_list_length */
-	p += sizeof(uint16_t);
-	/* Write description.  This is the text that appears on the screen for the load option. */
-	memset(description, 0, sizeof(description));
-	efichar_from_char(description, opts.label, sizeof(description));
-	efichar_strncpy(load_option->description, description, sizeof(description));
-	p += efichar_strsize(load_option->description);
-
-	q = p;
-
-	if (opts.iface) {
-	      p = (char *)make_net_load_option(p, opts.iface);
-	}
-	else {
-	      p = (char *)make_disk_load_option(p, opts.iface);
-	}
-	if (p == NULL)
-		return 0;
-
-	load_option->file_path_list_length = p - q;
-
-	datasize = (uint8_t *)p - (uint8_t *)data;
-	return datasize;
-}
-
-/*
- * append_extra_args()
- * appends all arguments from argv[] not snarfed by getopt
- * as one long string onto data, up to maxchars.  allow for nulls
- */
-
-static unsigned long
-append_extra_args_ascii(void *data, unsigned long maxchars)
-{
-	char *p = data;
-	int i, appended=0;
-	unsigned long usedchars=0;
-	if (!data) return 0;
-
-
-	for (i=opts.optind; i < opts.argc && usedchars < maxchars; i++)	{
-		p = strncpy(p, opts.argv[i], maxchars-usedchars-1);
-		p += strlen(p);
-		appended=1;
-
-		usedchars = p - (char *)data;
-
-		/* Put a space between args */
-		if (i < (opts.argc-1)) {
-
-			p = strncpy(p, " ", maxchars-usedchars-1);
-			p += strlen(p);
-			usedchars = p - (char *)data;
-		}
-
-	}
-	/* Remember the NULL */
-	if (appended) return strlen(data) + 1;
-	return 0;
-}
-
-static unsigned long
-append_extra_args_unicode(void *data, unsigned long maxchars)
-{
-	char *p = data;
-	int i, appended=0;
-	unsigned long usedchars=0;
-	if (!data) return 0;
-
-
-	for (i=opts.optind; i < opts.argc && usedchars < maxchars; i++)	{
-		p += efichar_from_char((efi_char16_t *)p, opts.argv[i],
-				       maxchars-usedchars);
-		usedchars = efichar_strsize(data) - sizeof(efi_char16_t);
-		appended=1;
-
-		/* Put a space between args */
-		if (i < (opts.argc-1)) {
-			p += efichar_from_char((efi_char16_t *)p, " ",
-					       maxchars-usedchars);
-			usedchars = efichar_strsize(data) -
-				sizeof(efi_char16_t);
-		}
-	}
-
-	if (appended) return efichar_strsize( (efi_char16_t *)data );
-	return 0;
-}
-
-
-static unsigned long
-append_extra_args(void *data, unsigned long maxchars)
-{
-	if (opts.unicode)
-	  return append_extra_args_unicode(data, maxchars);
-	else
-	  return append_extra_args_ascii(data, maxchars);
-}
-
-
-
-int
-make_linux_efi_variable(efi_variable_t *var,
-			unsigned int free_number)
-{
-	efi_guid_t guid = EFI_GLOBAL_VARIABLE;
-	char buffer[16];
-	unsigned char *optional_data=NULL;
-	unsigned long load_option_size = 0, opt_data_size=0;
-
-	memset(buffer,    0, sizeof(buffer));
-
-	/* VariableName needs to be BootXXXX */
-	sprintf(buffer, "Boot%04X", free_number);
-
-	efichar_from_char(var->VariableName, buffer, 1024);
-
-	memcpy(&(var->VendorGuid), &guid, sizeof(guid));
-	var->Attributes =
-		EFI_VARIABLE_NON_VOLATILE |
-		EFI_VARIABLE_BOOTSERVICE_ACCESS |
-		EFI_VARIABLE_RUNTIME_ACCESS;
-
-	/* Set Data[] and DataSize */
-
-	load_option_size =  make_linux_load_option(var->Data);
-
-	if (!load_option_size) return 0;
-
-	/* Set OptionalData (passed as binary to the called app) */
-	optional_data = var->Data + load_option_size;
-	opt_data_size = append_extra_args(optional_data,
-				  sizeof(var->Data) - load_option_size);
-	var->DataSize = load_option_size + opt_data_size;
-	return var->DataSize;
-}
-
-
-int
-variable_to_name(efi_variable_t *var, char *name)
-{
-	char *p = name;
-	efichar_to_char(p, var->VariableName, PATH_MAX);
-	p += strlen(p);
-	p += sprintf(p, "-");
-	efi_guid_unparse(&var->VendorGuid, p);
-	return strlen(name);
-}