diff options
Diffstat (limited to 'src/imap_search.c')
| -rw-r--r-- | src/imap_search.c | 92 |
1 files changed, 91 insertions, 1 deletions
diff --git a/src/imap_search.c b/src/imap_search.c index d397380..20ea9d8 100644 --- a/src/imap_search.c +++ b/src/imap_search.c @@ -27,9 +27,15 @@ #include "inode.h" #include <sys/stat.h> #include <errno.h> +#include <time.h> +//#include <ext2fs/ext2fs.h> +//#include <ext2fs/ext2_fs.h> #include "magic.h" +#include "journal.h" + +extern ext2_filsys current_fs; +extern time_t now_time ; -extern ext2_filsys current_fs; struct privat { int count; @@ -358,12 +364,96 @@ return retval; } + +void search_journal_lost_inode(char* des_dir, __u32 t_after, __u32 t_before, int flag){ + +struct ext2_inode *p_inode; +struct ext2_inode inode; +int retval,i ; +char *pathname = NULL; +char *i_pathname = NULL; +char *buf= NULL; +unsigned char *tmp_buf = NULL; +__u32 blocksize, inodesize; +__u32 inode_per_block; +ext2_ino_t inode_max, inode_nr; + + +pathname = malloc(26); +blocksize = current_fs->blocksize; +inodesize = current_fs->super->s_inode_size; +inode_max = current_fs->super->s_inodes_count; +inode_per_block = blocksize / inodesize; +inode_nr = inode_max ; + +buf = malloc(blocksize); +if (! (flag & 0x01) ){ + tmp_buf = malloc (12 * blocksize); + if (!tmp_buf) + goto errout; + cookie = magic_open(MAGIC_MIME | MAGIC_NO_CHECK_COMPRESS | MAGIC_NO_CHECK_ELF | MAGIC_CONTINUE); + if ((! cookie) || magic_load(cookie, NULL)){ + fprintf(stderr,"ERROR: can't find libmagic\n"); + goto errout; + } +} + +while ( get_pool_block(buf) ){ + for (i=0 ;i < inode_per_block; i++){ + inode_nr++; + p_inode = (struct ext2_inode*) (buf + (i * inodesize)); + + memset(&inode, 0, sizeof(struct ext2_inode)); +#ifdef WORDS_BIGENDIAN + ext2fs_swap_inode(current_fs, &inode, p_inode, 0); +#else + memcpy(&inode, p_inode,128); +#endif + if((inode.i_dtime) || (!inode.i_size) || (!inode.i_blocks) || (!LINUX_S_ISREG(inode.i_mode))) + continue; + if (check_file_stat(&inode)){ + i_pathname = identify_filename(i_pathname, tmp_buf, &inode, inode_nr); + sprintf(pathname,"<%lu>",inode_nr); + recover_file(des_dir,"MAGIC-2", ((i_pathname)?i_pathname : pathname), &inode, inode_nr, 1); + } + if(i_pathname){ + free(i_pathname); + i_pathname = NULL; + } + + } +} +errout: + if (pathname) + free(pathname); + + if(buf) { + free(buf); + buf = NULL; + } + + if (tmp_buf){ + free(tmp_buf); + tmp_buf = NULL; + } + if (cookie){ + magic_close(cookie); + cookie = 0; + } +return; +} + + //2 step search for journalinode, will find some lost directory and files void imap_search(char* des_dir, __u32 t_after, __u32 t_before , int disaster ){ printf("MAGIC-1 : start lost directory search\n"); search_imap_inode(des_dir, t_after, t_before, 1 | disaster ); //search for lost fragments of directorys printf("MAGIC-2 : start lost file search\n"); search_imap_inode(des_dir, t_after, t_before, 0 | disaster ); //search for lost files + if ((!disaster) && (t_before == (__u32)now_time)){ + printf("MAGIC-2 : start lost in journal search\n"); + search_journal_lost_inode(des_dir, t_after, t_before, 0); + } return; } |