X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=debugfs%2Fdump.c;h=8d9788641ebcc80f1b72db30106b1f6b7dc8644a;hb=64ac23537ea19d91ecabe52129bb7fa73b1c9043;hp=a15a0b730d4c53c6af4040b08aef70ffd8d8c8be;hpb=d1154eb460efe588eaed3d439c1caaca149fa362;p=tools%2Fe2fsprogs.git diff --git a/debugfs/dump.c b/debugfs/dump.c index a15a0b7..8d97886 100644 --- a/debugfs/dump.c +++ b/debugfs/dump.c @@ -91,9 +91,6 @@ static void fix_perms(const char *cmd, const struct ext2_inode *inode, if (i == -1) com_err(cmd, errno, "while changing ownership of %s", name); - if (fd != -1) - close(fd); - ut.actime = inode->i_atime; ut.modtime = inode->i_mtime; if (utime(name, &ut) == -1) @@ -105,10 +102,10 @@ static void dump_file(const char *cmdname, ext2_ino_t ino, int fd, { errcode_t retval; struct ext2_inode inode; - char buf[8192]; + char *buf = 0; ext2_file_t e2_file; int nbytes; - unsigned int got; + unsigned int got, blocksize = current_fs->blocksize; if (debugfs_read_inode(ino, &inode, cmdname)) return; @@ -118,8 +115,13 @@ static void dump_file(const char *cmdname, ext2_ino_t ino, int fd, com_err(cmdname, retval, "while opening ext2 file"); return; } + retval = ext2fs_get_mem(blocksize, &buf); + if (retval) { + com_err(cmdname, retval, "while allocating memory"); + return; + } while (1) { - retval = ext2fs_file_read(e2_file, buf, sizeof(buf), &got); + retval = ext2fs_file_read(e2_file, buf, blocksize, &got); if (retval) com_err(cmdname, retval, "while reading ext2 file"); if (got == 0) @@ -128,6 +130,8 @@ static void dump_file(const char *cmdname, ext2_ino_t ino, int fd, if ((unsigned) nbytes != got) com_err(cmdname, errno, "while writing file"); } + if (buf) + ext2fs_free_mem(&buf); retval = ext2fs_file_close(e2_file); if (retval) { com_err(cmdname, retval, "while closing ext2 file"); @@ -136,8 +140,6 @@ static void dump_file(const char *cmdname, ext2_ino_t ino, int fd, if (preserve) fix_perms("dump_file", &inode, fd, outname); - else if (fd != 1) - close(fd); return; } @@ -184,6 +186,11 @@ void do_dump(int argc, char **argv) } dump_file(argv[0], inode, fd, preserve, out_fn); + if (close(fd) != 0) { + com_err(argv[0], errno, "while closing %s for dump_inode", + out_fn); + return; + } return; } @@ -262,10 +269,14 @@ static void rdump_inode(ext2_ino_t ino, struct ext2_inode *inode, int fd; fd = open(fullname, O_WRONLY | O_CREAT | O_TRUNC | O_LARGEFILE, S_IRWXU); if (fd == -1) { - com_err("rdump", errno, "while dumping %s", fullname); + com_err("rdump", errno, "while opening %s", fullname); goto errout; } dump_file("rdump", ino, fd, 1, fullname); + if (close(fd) != 0) { + com_err("rdump", errno, "while closing %s", fullname); + goto errout; + } } else if (LINUX_S_ISDIR(inode->i_mode) && strcmp(name, ".") && strcmp(name, "..")) { errcode_t retval; @@ -315,41 +326,46 @@ static int rdump_dirent(struct ext2_dir_entry *dirent, void do_rdump(int argc, char **argv) { - ext2_ino_t ino; - struct ext2_inode inode; struct stat st; + char *dest_dir; int i; - char *p; - if (common_args_process(argc, argv, 3, 3, "rdump", - " ", 0)) + if (common_args_process(argc, argv, 3, INT_MAX, "rdump", + "... ", 0)) return; - ino = string_to_inode(argv[1]); - if (!ino) - return; + /* Pull out last argument */ + dest_dir = argv[argc - 1]; + argc--; - /* Ensure ARGV[2] is a directory. */ - i = stat(argv[2], &st); - if (i == -1) { - com_err("rdump", errno, "while statting %s", argv[2]); + /* Ensure last arg is a directory. */ + if (stat(dest_dir, &st) == -1) { + com_err("rdump", errno, "while statting %s", dest_dir); return; } if (!S_ISDIR(st.st_mode)) { - com_err("rdump", 0, "%s is not a directory", argv[2]); + com_err("rdump", 0, "%s is not a directory", dest_dir); return; } - if (debugfs_read_inode(ino, &inode, argv[1])) - return; + for (i = 1; i < argc; i++) { + char *arg = argv[i], *basename; + struct ext2_inode inode; + ext2_ino_t ino = string_to_inode(arg); + if (!ino) + continue; - p = strrchr(argv[1], '/'); - if (p) - p++; - else - p = argv[1]; + if (debugfs_read_inode(ino, &inode, arg)) + continue; - rdump_inode(ino, &inode, p, argv[2]); + basename = strrchr(arg, '/'); + if (basename) + basename++; + else + basename = arg; + + rdump_inode(ino, &inode, basename, dest_dir); + } } void do_cat(int argc, char **argv)