First version in git

1 files changed, 256 insertions, 0 deletions

diff --git a/src/savehdr.c b/src/savehdr.c
new file mode 100644
index 00000000..1a092542
--- /dev/null
+++ b/src/savehdr.c
@@ -0,0 +1,256 @@
+/*
+
+    File: savehdr.c
+
+    Copyright (C) 2004-2007 Christophe GRENIER <[email protected]>
+  
+    This software 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 the Free Software Foundation, Inc., 51
+    Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+ */
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+ 
+#ifdef HAVE_STRING_H
+#include <string.h>
+#endif
+#ifdef HAVE_TIME_H
+#include <time.h>
+#endif
+#ifdef HAVE_SYS_TIME_H
+#include <sys/time.h>
+#endif
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+#include <stdio.h>
+#include <errno.h>
+#include "types.h"
+#include "common.h"
+#include "fnctdsk.h" /* get_LBA_part */
+#include "analyse.h"
+#include "savehdr.h"
+#include "log.h"
+#define BACKUP_MAXSIZE 5120
+
+int save_header(disk_t *disk_car,partition_t *partition, const int verbose)
+{
+  unsigned char *buffer;
+  FILE *f_backup;
+  int res=0;
+  if(verbose>1)
+  {
+    log_trace("save_header\n");
+  }
+  f_backup=fopen("header.log","ab");
+  if(!f_backup)
+  {
+    log_critical("Can't create header.log file: %s\n",strerror(errno));
+    return -1;
+  }
+  buffer=MALLOC(256*DEFAULT_SECTOR_SIZE);
+  memset(buffer,0,DEFAULT_SECTOR_SIZE);
+  {
+    char status='D';
+    switch(partition->status)
+    {
+      case STATUS_PRIM:           status='P'; break;
+      case STATUS_PRIM_BOOT:      status='*'; break;
+      case STATUS_EXT:            status='E'; break;
+      case STATUS_EXT_IN_EXT:     status='X'; break;
+      case STATUS_LOG:            status='L'; break;
+      case STATUS_DELETED:        status='D'; break;
+    }
+    snprintf((char*)buffer,256*DEFAULT_SECTOR_SIZE,"%s\n%2u %c Sys=%02X %5u %3u %2u %5u %3u %2u %10lu\n",
+	disk_car->description(disk_car), partition->order,status,disk_car->arch->get_part_type(partition),
+	offset2cylinder(disk_car,partition->part_offset), offset2head(disk_car,partition->part_offset),offset2sector(disk_car,partition->part_offset),
+	offset2cylinder(disk_car,partition->part_offset+partition->part_size-disk_car->sector_size), offset2head(disk_car,partition->part_offset+partition->part_size-disk_car->sector_size),offset2sector(disk_car,partition->part_offset+partition->part_size-disk_car->sector_size),
+	(unsigned long)(partition->part_size/disk_car->sector_size));
+  }
+  if(fwrite(buffer,DEFAULT_SECTOR_SIZE,1,f_backup)!=1)
+    res=-1;
+  if(res>=0 && disk_car->read(disk_car,256*DEFAULT_SECTOR_SIZE, buffer, partition->part_offset)!=0)
+    res=-1;
+  if(res>=0 && fwrite(buffer,DEFAULT_SECTOR_SIZE,256,f_backup)!=256)
+    res=-1;
+  fclose(f_backup);
+  free(buffer);
+  return res;
+}
+
+backup_disk_t *partition_load(const disk_t *disk_car, const int verbose)
+{
+  FILE *f_backup;
+  char *buffer;
+  char *pos=NULL;
+  int taille;
+  backup_disk_t *new_backup=NULL;
+  backup_disk_t *list_backup;
+  list_backup=(backup_disk_t*)MALLOC(sizeof(*list_backup));
+  list_backup->list.prev= &list_backup->list;
+  list_backup->list.next = &list_backup->list;
+
+  if(verbose>1)
+  {
+    log_trace("partition_load\n");
+  }
+  f_backup=fopen("backup.log","r");
+  if(!f_backup)
+  {
+    log_error("Can't open backup.log file: %s\n",strerror(errno));
+    return list_backup;
+  }
+  buffer=MALLOC(BACKUP_MAXSIZE);
+  taille=fread(buffer,1,BACKUP_MAXSIZE,f_backup);
+  buffer[(taille<BACKUP_MAXSIZE?taille:BACKUP_MAXSIZE-1)]='\0';
+  if(verbose>1)
+  {
+    log_info("partition_load backup.log size=%d\n",taille);
+  }
+  for(pos=buffer;pos<buffer+taille;pos++)
+  {
+    if(*pos=='\n')
+    {
+      *pos='\0';
+    }
+  }
+  pos=buffer;
+  while(pos!=NULL && pos<buffer+taille)
+  {
+    if(*pos=='#')
+    {
+      pos++;
+      if(verbose>1)
+      {
+        log_verbose("new disk: %s\n",pos);
+      }
+      if(new_backup!=NULL)
+        td_list_add_tail(&new_backup->list,&list_backup->list);
+      new_backup=(backup_disk_t*)MALLOC(sizeof(*new_backup));
+      new_backup->description[0]='\0';
+      new_backup->list_part=NULL;
+      new_backup->my_time=strtol(pos,&pos,10);
+      if(pos!=NULL)
+      {
+        strncpy(new_backup->description,++pos,sizeof(new_backup->description));
+      }
+    }
+    else if(new_backup!=NULL)
+    {
+      partition_t *new_partition=partition_new(disk_car->arch);
+      char status;
+      unsigned int part_type;
+      unsigned long part_size;
+      unsigned long part_offset;
+      if(verbose>1)
+      {
+        log_verbose("new partition\n");
+      }
+      if(sscanf(pos,"%2u : start=%10lu, size=%10lu, Id=%02X, %c\n",
+            &new_partition->order, &part_offset,
+            &part_size,&part_type,&status)==5)
+      {
+        new_partition->part_offset=(uint64_t)part_offset*disk_car->sector_size;
+        new_partition->part_size=(uint64_t)part_size*disk_car->sector_size;
+        if(disk_car->arch->set_part_type!=NULL)
+          disk_car->arch->set_part_type(new_partition,part_type);
+        switch(status)
+        {
+          case 'P':	new_partition->status=STATUS_PRIM; break;
+          case '*':	new_partition->status=STATUS_PRIM_BOOT; break;
+          case 'L':	new_partition->status=STATUS_LOG; break;
+          default:	new_partition->status=STATUS_DELETED; break;
+        }
+        if(new_partition->status!=STATUS_DELETED)
+        {
+          int insert_error=0;
+          new_backup->list_part=insert_new_partition(new_backup->list_part, new_partition, 0, &insert_error);
+          if(insert_error>0)
+            free(new_partition);
+        }
+        else
+        {
+          free(new_partition);
+        }
+      }
+      else
+      {
+        log_critical("partition_load: sscanf failed\n");
+        free(new_partition);
+        pos=NULL;
+      }
+    }
+    if(pos!=NULL)
+    {
+      while(*pos!='\0' && pos<buffer+taille)
+        pos++;
+      pos++;
+    }
+  }
+  if(new_backup!=NULL)
+    td_list_add_tail(&new_backup->list,&list_backup->list);
+  fclose(f_backup);
+  free(buffer);
+  return list_backup;
+}
+
+int partition_save(disk_t *disk_car, list_part_t *list_part, const int verbose)
+{
+  list_part_t *parts;
+  FILE *f_backup;
+  if(verbose>0)
+  {
+    log_trace("partition_save\n");
+  }
+  f_backup=fopen("backup.log","a");
+  if(!f_backup)
+  {
+    log_critical("Can't create backup.log file: %s\n",strerror(errno));
+    return -1;
+  }
+  fprintf(f_backup,"#%u %s\n",(unsigned int)time(NULL), disk_car->description(disk_car));
+  for(parts=list_part;parts!=NULL;parts=parts->next)
+  {
+    switch(parts->part->status)
+    {
+      case STATUS_PRIM:
+      case STATUS_PRIM_BOOT:
+      case STATUS_EXT:
+      case STATUS_LOG:
+	{
+	  char status='D';
+	  switch(parts->part->status)
+	  {
+	    case STATUS_PRIM:           status='P'; break;
+	    case STATUS_PRIM_BOOT:      status='*'; break;
+	    case STATUS_EXT:            status='E'; break;
+	    case STATUS_EXT_IN_EXT:     status='X'; break;
+	    case STATUS_LOG:            status='L'; break;
+	    case STATUS_DELETED:        status='D'; break;
+	  }
+	  fprintf(f_backup,"%2d : start=%9lu, size=%9lu, Id=%02X, %c\n",
+	      parts->part->order, (unsigned long)(parts->part->part_offset/disk_car->sector_size),
+	      (unsigned long)(parts->part->part_size/disk_car->sector_size),
+	      disk_car->arch->get_part_type(parts->part), status);
+	}
+	break;
+      default:
+	break;
+    }
+  }
+  fclose(f_backup);
+  return 0;
+}
+