diff --git a/SOURCES/scrub-2.5.2-extentonly.patch b/SOURCES/scrub-2.5.2-extentonly.patch new file mode 100644 index 0000000..3108841 --- /dev/null +++ b/SOURCES/scrub-2.5.2-extentonly.patch @@ -0,0 +1,744 @@ +From 1dd2a8b9226594ae834e639e00abdf2f47ac4acc Mon Sep 17 00:00:00 2001 +From: Daniel Kopecek +Date: Tue, 16 Jul 2019 13:21:06 +0200 +Subject: [PATCH] scrub allocated extent only + +--- + libscrub/Makefile.am | 1 + + man/scrub.1.in | 7 ++ + src/Makefile.am | 2 + + src/fextent_apply.c | 142 ++++++++++++++++++++++++++ + src/fextent_apply.h | 30 ++++++ + src/fillfile.c | 231 +++++++++++++++++++++++++++++++++---------- + src/fillfile.h | 4 +- + src/genrand.c | 2 +- + src/scrub.c | 36 ++++--- + 9 files changed, 383 insertions(+), 72 deletions(-) + create mode 100644 src/fextent_apply.c + create mode 100644 src/fextent_apply.h + +diff --git a/libscrub/Makefile.am b/libscrub/Makefile.am +index 477c866..d88cd48 100644 +--- a/libscrub/Makefile.am ++++ b/libscrub/Makefile.am +@@ -13,6 +13,7 @@ libscrub_la_SOURCES = \ + libscrub.c \ + scrub.h \ + ../src/aes.c \ ++ ../src/fextent_apply.c \ + ../src/filldentry.c \ + ../src/fillfile.c \ + ../src/genrand.c \ +diff --git a/man/scrub.1.in b/man/scrub.1.in +index a1c260a..72b114f 100644 +--- a/man/scrub.1.in ++++ b/man/scrub.1.in +@@ -106,6 +106,13 @@ Don't generate random data in parallel with I/O. + .TP + \fI-h\fR, \fI--help\fR + Print a summary of command line options on stderr. ++.TP ++\fI-E\fR, \fI--extent-only\fR ++When scrubbing regular files, scrub only the file extents. This option is ++useful in combination with large sparse files. If used, scrub will skip ++the holes in the sparse file. Use this option with caution, the result may not ++be compliant with cited standards and information about the actual on-disk ++data allocation may leak since only the allocated parts will be scrubbed. + .SH SCRUB METHODS + .TP + .I "nnsa" +diff --git a/src/Makefile.am b/src/Makefile.am +index 0cbd8f7..5de0b68 100644 +--- a/src/Makefile.am ++++ b/src/Makefile.am +@@ -3,6 +3,8 @@ bin_PROGRAMS = scrub + scrub_SOURCES = \ + aes.c \ + aes.h \ ++ fextent_apply.c \ ++ fextent_apply.h \ + filldentry.c \ + filldentry.h \ + fillfile.c \ +diff --git a/src/fextent_apply.c b/src/fextent_apply.c +new file mode 100644 +index 0000000..31d3210 +--- /dev/null ++++ b/src/fextent_apply.c +@@ -0,0 +1,142 @@ ++/* ++ * Copyright 2012 Red Hat Inc., Durham, North Carolina. ++ * All Rights Reserved. ++ * ++ * This library is free software; you can redistribute it and/or ++ * modify it under the terms of the GNU Lesser General Public ++ * License as published by the Free Software Foundation; either ++ * version 2.1 of the License, or (at your option) any later version. ++ * ++ * This library 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 ++ * Lesser General Public License for more details. ++ * ++ * You should have received a copy of the GNU Lesser General Public ++ * License along with this library; if not, write to the Free Software ++ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA ++ * ++ * Authors: ++ * Daniel Kopecek ++ */ ++#include ++#include ++#include ++#include ++#include ++#include ++ ++#include ++#include ++#include ++#include ++ ++#include ++#include ++ ++#ifndef NDEBUG ++# define dP(...) \ ++ do { int __tmp_errno = errno; \ ++ fprintf(stderr, "DEBUG: "__VA_ARGS__); \ ++ errno = __tmp_errno; \ ++ } while(0) ++#else ++# define dP(...) while(0) ++#endif ++ ++int fextent_apply(int fd, int (*function)(int, struct fiemap_extent *, void *), void *arg) ++{ ++ int ret = -1; ++ struct stat st; ++ struct fiemap *em; ++ uint32_t extent_count, i; ++ ++ // lock, sync, stat ++ if (flock(fd, LOCK_EX) != 0) { ++ dP("flock(%d, LOCK_EX) failed: %s, %d.\n", fd, strerror(errno), errno); ++ return -1; ++ } ++ if (fsync(fd) != 0) { ++ dP("fsync(%d) failed: %s, %d.\n", fd, strerror(errno), errno); ++ goto exit_1; ++ } ++ if (fstat(fd, &st) != 0) { ++ dP("fstat(%d) failed: %s, %d.\n", fd, strerror(errno), errno); ++ goto exit_1; ++ } ++ ++ /* ++ * fiemap => get extent count ++ */ ++ em = malloc(sizeof(struct fiemap)); ++ ++ if (em == NULL) { ++ dP("malloc(%zu) returned NULL!\n", sizeof(struct fiemap)); ++ goto exit_1; ++ } ++ ++ memset(em, 0, sizeof(struct fiemap)); ++ ++ em->fm_start = 0; ++ em->fm_length = st.st_size; ++ em->fm_extent_count = 0; ++ em->fm_mapped_extents = 0; ++ em->fm_flags = 0; ++ ++ if (ioctl(fd, FS_IOC_FIEMAP, em) != 0) { ++ dP("FS_IOC_FIEMAP: %s, %d.\n", strerror(errno), errno); ++ goto exit_0; ++ } ++ ++ extent_count = em->fm_mapped_extents; ++ free(em); ++ ++ /* ++ * fiemap => get extents ++ */ ++ em = malloc (sizeof(struct fiemap) ++ + (sizeof(struct fiemap_extent) * extent_count)); ++ ++ if (em == NULL) { ++ dP("malloc(%zu) returned NULL!\n", sizeof(struct fiemap) ++ + (sizeof (struct fiemap_extent) * extent_count)); ++ goto exit_0; ++ } ++ ++ memset(em, 0, sizeof(struct fiemap) ++ + (sizeof(struct fiemap_extent) * extent_count)); ++ ++ em[0].fm_start = 0; ++ em[0].fm_length = st.st_size; ++ em[0].fm_extent_count = extent_count; ++ em[0].fm_flags = 0; ++ ++ if (ioctl(fd, FS_IOC_FIEMAP, em) != 0) { ++ dP("FS_IOC_FIEMAP: %s, %d.\n", strerror(errno), errno); ++ goto exit_0; ++ } ++ ++ for (i = 0; i < extent_count; ++i) { ++ // seek to extent start ++ if (lseek(fd, em->fm_extents[i].fe_logical, SEEK_SET) == (off_t)-1) { ++ dP("lseek(%d, %llu, SET) failed: %s, %d.\n", ++ fd, em->fm_extents[i].fe_logical, strerror(errno), errno); ++ goto exit_0; ++ } ++ ++ ret = function(fd, em->fm_extents + i, arg); ++ if (ret != 0) ++ goto exit_0; ++ } ++ ++ ret = 0; ++ exit_0: ++ // release resources ++ free (em); ++ exit_1: ++ // unlock ++ if (flock(fd, LOCK_UN) != 0) ++ ret = -1; ++ ++ return ret; ++} +diff --git a/src/fextent_apply.h b/src/fextent_apply.h +new file mode 100644 +index 0000000..40a54ec +--- /dev/null ++++ b/src/fextent_apply.h +@@ -0,0 +1,30 @@ ++/* ++ * Copyright 2012 Red Hat Inc., Durham, North Carolina. ++ * All Rights Reserved. ++ * ++ * This library is free software; you can redistribute it and/or ++ * modify it under the terms of the GNU Lesser General Public ++ * License as published by the Free Software Foundation; either ++ * version 2.1 of the License, or (at your option) any later version. ++ * ++ * This library 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 ++ * Lesser General Public License for more details. ++ * ++ * You should have received a copy of the GNU Lesser General Public ++ * License along with this library; if not, write to the Free Software ++ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA ++ * ++ * Authors: ++ * Daniel Kopecek ++ */ ++#ifndef FEXTENT_APPLY_H ++#define FEXTENT_APPLY_H ++ ++#include ++#include ++ ++int fextent_apply(int fd, int (*function)(int, struct fiemap_extent *, void *), void *arg); ++ ++#endif /* FEXTENT_APPLY_H */ +diff --git a/src/fillfile.c b/src/fillfile.c +index e0f67b6..a77367f 100644 +--- a/src/fillfile.c ++++ b/src/fillfile.c +@@ -42,6 +42,7 @@ + + #include "util.h" + #include "fillfile.h" ++#include "fextent_apply.h" + + static int no_threads = 0; + +@@ -57,6 +58,20 @@ struct memstruct { + + extern char *prog; + ++struct fillfile_args { ++ char *path; ++ off_t filesize; ++ unsigned char *mem; ++ int memsize; ++ progress_t progress; ++ void *arg; ++ refill_t refill; ++ unsigned char *buf; ++}; ++ ++int fillextent(int fd, struct fiemap_extent *extent, void *pa); ++int checkextent(int fd, struct fiemap_extent *extent, void *pa); ++ + #if defined(O_DIRECT) && (defined(HAVE_POSIX_MEMALIGN) || defined(HAVE_MEMALIGN)) + # define MY_O_DIRECT O_DIRECT + #else +@@ -155,11 +170,12 @@ refill_fini(struct memstruct *mp) + * If 'sparse' is true, only scrub first and last blocks (for testing). + * The number of bytes written is returned. + * If 'creat' is true, open with O_CREAT and allow ENOSPC to be non-fatal. ++ * IF 'extentonly' is true, fill only file extents with the given pattern + */ + off_t + fillfile(char *path, off_t filesize, unsigned char *mem, int memsize, + progress_t progress, void *arg, refill_t refill, +- bool sparse, bool creat) ++ bool sparse, bool creat, bool extentonly) + { + int fd = -1; + off_t n; +@@ -179,34 +195,58 @@ fillfile(char *path, off_t filesize, unsigned char *mem, int memsize, + } + if (fd < 0) + goto error; +- do { +- if (written + memsize > filesize) +- memsize = filesize - written; +- if (refill && !sparse) { +- if (!mp) +- if (refill_init(&mp, refill, memsize) < 0) +- goto error; +- if (refill_memcpy(mp, mem, memsize, filesize, written) < 0) +- goto error; +- } +- if (sparse && !(written == 0) && !(written + memsize == filesize)) { +- if (lseek(fd, memsize, SEEK_CUR) < 0) +- goto error; +- written += memsize; +- } else { +- n = write_all(fd, mem, memsize); +- if (creat && n < 0 && errno == ENOSPC) +- break; +- if (n == 0) { +- errno = EINVAL; /* write past end of device? */ +- goto error; +- } else if (n < 0) +- goto error; +- written += n; ++ ++ if (extentonly) { ++ struct fillfile_args fa; ++ ++ fa.path = path; ++ fa.filesize = filesize; ++ fa.mem = mem; ++ fa.memsize = memsize; ++ fa.progress = progress; ++ fa.refill = refill; ++ fa.arg = arg; ++ ++ if (fextent_apply(fd, fillextent, &fa) == 0) { ++ written = filesize; + } +- if (progress) +- progress(arg, (double)written/filesize); +- } while (written < filesize); ++ } else { ++ do { ++ if (written + memsize > filesize) ++ memsize = filesize - written; ++ if (refill && !sparse) { ++ if (!mp) { ++ if (refill_init(&mp, refill, memsize) < 0) { ++ goto error; ++ } ++ } ++ if (refill_memcpy(mp, mem, memsize, filesize, written) < 0) { ++ goto error; ++ } ++ } ++ if (sparse && !(written == 0) && !(written + memsize == filesize)) { ++ if (lseek(fd, memsize, SEEK_CUR) < 0) { ++ goto error; ++ } ++ written += memsize; ++ } else { ++ n = write_all(fd, mem, memsize); ++ if (creat && n < 0 && errno == ENOSPC) ++ break; ++ if (n == 0) { ++ errno = EINVAL; ++ goto error; ++ } ++ else if (n < 0) { ++ goto error; ++ } ++ written += n; ++ } ++ if (progress) ++ progress(arg, (double)written/filesize); ++ } while (written < filesize); ++ } ++ + if (fsync(fd) < 0) + goto error; + #if defined(HAVE_POSIX_FADVISE) && defined(POSIX_FADV_DONTNEED) +@@ -230,7 +270,7 @@ error: + */ + off_t + checkfile(char *path, off_t filesize, unsigned char *mem, int memsize, +- progress_t progress, void *arg, bool sparse) ++ progress_t progress, void *arg, bool sparse, bool extentonly) + { + int fd = -1; + off_t n; +@@ -238,8 +278,6 @@ checkfile(char *path, off_t filesize, unsigned char *mem, int memsize, + unsigned char *buf = NULL; + int openflags = O_RDONLY; + +- if (!(buf = alloc_buffer(memsize))) +- goto nomem; + if (filetype(path) != FILE_CHAR) + openflags |= MY_O_DIRECT; + fd = open(path, openflags); +@@ -250,32 +288,60 @@ checkfile(char *path, off_t filesize, unsigned char *mem, int memsize, + } + if (fd < 0) + goto error; +- do { +- if (verified + memsize > filesize) +- memsize = filesize - verified; +- if (sparse && !(verified == 0) && !(verified + memsize == filesize)) { +- if (lseek(fd, memsize, SEEK_CUR) < 0) +- goto error; +- verified += memsize; +- } else { +- n = read_all(fd, buf, memsize); +- if (n < 0) +- goto error; +- if (n == 0) { +- errno = EINVAL; /* early EOF */ +- goto error; +- } +- if (memcmp(mem, buf, memsize) != 0) { +- break; /* return < filesize means verification failure */ +- } +- verified += n; ++ if (extentonly) { ++ struct fillfile_args fa; ++ ++ fa.path = path; ++ fa.filesize = filesize; ++ fa.mem = mem; ++ fa.memsize = memsize; ++ fa.progress = progress; ++ fa.arg = arg; ++ fa.buf = alloc_buffer(memsize); ++ ++ if (fa.buf == NULL) { ++ goto nomem; + } +- if (progress) +- progress(arg, (double)verified/filesize); +- } while (verified < filesize); ++ ++ if (fextent_apply(fd, checkextent, &fa) == 0) ++ verified = filesize; ++ ++ free(fa.buf); ++ } else { ++ if (!(buf = alloc_buffer(memsize))) ++ goto nomem; ++ do { ++ if (verified + memsize > filesize) ++ memsize = filesize - verified; ++ if (sparse && !(verified == 0) && !(verified + memsize == filesize)) { ++ if (lseek(fd, memsize, SEEK_CUR) < 0) { ++ goto error; ++ } ++ verified += memsize; ++ } else { ++ n = read_all(fd, buf, memsize); ++ if (n < 0) { ++ goto error; ++ } ++ if (n == 0) { ++ errno = EINVAL; /* early EOF */ ++ goto error; ++ } ++ if (memcmp(mem, buf, memsize) != 0) { ++ break; ++ } ++ verified += n; ++ } ++ if (progress) ++ progress(arg, (double)verified/filesize); ++ } while (verified < filesize); ++ } ++ + if (close(fd) < 0) + goto error; +- free(buf); ++ if (buf != NULL) { ++ free(buf); ++ } + return verified; + nomem: + errno = ENOMEM; +@@ -293,6 +359,63 @@ disable_threads(void) + no_threads = 1; + } + ++int fillextent(int fd, struct fiemap_extent *extent, void *pa) ++{ ++ off_t n; ++ off_t written = 0LL; ++ struct fillfile_args args = *(struct fillfile_args *)(pa); ++ ++ do { ++ if (args.refill) ++ args.refill(args.mem, args.memsize); ++ ++ if (written + args.memsize > extent->fe_length) ++ args.memsize = extent->fe_length - written; ++ ++ n = write_all(fd, args.mem, args.memsize); ++ ++ if (n < 0) { ++ fprintf(stderr, "%s: write %s: %s\n", prog, args.path, strerror(errno)); ++ exit(1); ++ } ++ written += n; ++ ++ if (args.progress) ++ args.progress(args.arg, (double)(extent->fe_logical + written)/args.filesize); ++ } while (written < extent->fe_length); ++ ++ return 0; ++} ++ ++int checkextent(int fd, struct fiemap_extent *extent, void *pa) ++{ ++ off_t n; ++ off_t verified = 0LL; ++ struct fillfile_args args = *(struct fillfile_args *)(pa); ++ ++ do { ++ if (verified + args.memsize > extent->fe_length) ++ args.memsize = extent->fe_length - verified; ++ ++ n = read_all(fd, args.buf, args.memsize); ++ if (n < 0) { ++ return -1; ++ } ++ if (n == 0) { ++ errno = EINVAL; ++ return -1; ++ } ++ if (memcmp(args.mem, args.buf, args.memsize) != 0) { ++ break; ++ } ++ verified += n; ++ if (args.progress) ++ args.progress(args.arg, (double)(extent->fe_logical+verified)/args.filesize); ++ } while (verified < extent->fe_length); ++ ++ return 0; ++} ++ + /* + * vi:tabstop=4 shiftwidth=4 expandtab + */ +diff --git a/src/fillfile.h b/src/fillfile.h +index b9ef951..2fc917d 100644 +--- a/src/fillfile.h ++++ b/src/fillfile.h +@@ -29,7 +29,7 @@ typedef void (*refill_t) (unsigned char *mem, int memsize); + + off_t fillfile(char *path, off_t filesize, unsigned char *mem, int memsize, + progress_t progress, void *arg, refill_t refill, +- bool sparse, bool creat); ++ bool sparse, bool creat, bool extentonly); + off_t checkfile(char *path, off_t filesize, unsigned char *mem, int memsize, +- progress_t progress, void *arg, bool sparse); ++ progress_t progress, void *arg, bool sparse, bool extentonly); + void disable_threads(void); +diff --git a/src/genrand.c b/src/genrand.c +index 820c898..ecfd382 100644 +--- a/src/genrand.c ++++ b/src/genrand.c +@@ -106,7 +106,7 @@ genrandraw(unsigned char *buf, int buflen) + buf[n] = result; + } + #endif +- return; ++ return 0; + } + } + +diff --git a/src/scrub.c b/src/scrub.c +index dec71f3..b0eb1f7 100644 +--- a/src/scrub.c ++++ b/src/scrub.c +@@ -58,12 +58,12 @@ + #define BUFSIZE (4*1024*1024) /* default blocksize */ + + static bool scrub(char *path, off_t size, const sequence_t *seq, +- int bufsize, bool Sopt, bool sparse, bool enospc); ++ int bufsize, bool Sopt, bool sparse, bool enospc, bool extentonly); + static void scrub_free(char *path, off_t size, const sequence_t *seq, + int bufsize, bool Sopt); + static void scrub_dirent(char *path, char *newpath); + static void scrub_file(char *path, off_t size, const sequence_t *seq, +- int bufsize, bool Sopt, bool sparse); ++ int bufsize, bool Sopt, bool sparse, bool extentonly); + #if __APPLE__ + static void scrub_resfork(char *path, const sequence_t *seq, + int bufsize); +@@ -71,7 +71,7 @@ static void scrub_resfork(char *path, const sequence_t *seq, + static void scrub_disk(char *path, off_t size, const sequence_t *seq, + int bufsize, bool Sopt, bool sparse); + +-#define OPTIONS "p:D:Xb:s:fSrvTLRth" ++#define OPTIONS "p:D:Xb:s:fSrvTELRth" + #if HAVE_GETOPT_LONG + #define GETOPT(ac,av,opt,lopt) getopt_long(ac,av,opt,lopt,NULL) + static struct option longopts[] = { +@@ -85,6 +85,7 @@ static struct option longopts[] = { + {"remove", no_argument, 0, 'r'}, + {"version", no_argument, 0, 'v'}, + {"test-sparse", no_argument, 0, 'T'}, ++ {"extent-only", no_argument, 0, 'E'}, + {"no-link", no_argument, 0, 'L'}, + {"no-hwrand", no_argument, 0, 'R'}, + {"no-threads", no_argument, 0, 't'}, +@@ -111,6 +112,7 @@ usage(void) + " -f, --force scrub despite signature from previous scrub\n" + " -S, --no-signature do not write scrub signature after scrub\n" + " -r, --remove remove file after scrub\n" ++" -E, --extent-only scrub only file extents\n" + " -L, --no-link do not scrub link target\n" + " -R, --no-hwrand do not use a hardware random number generator\n" + " -t, --no-threads do not compute random data in a parallel thread\n" +@@ -139,6 +141,7 @@ main(int argc, char *argv[]) + bool Lopt = false; + bool Ropt = false; + bool topt = false; ++ bool Eopt = false; + extern int optind; + extern char *optarg; + int c; +@@ -207,6 +210,9 @@ main(int argc, char *argv[]) + case 'T': /* --test-sparse */ + Topt = true; + break; ++ case 'E': /* --extent-only */ ++ Eopt = true; ++ break; + case 'L': /* --no-link */ + Lopt = true; + break; +@@ -315,7 +321,7 @@ main(int argc, char *argv[]) + prog, Dopt, filename); + exit(1); + } +- scrub_file(filename, sopt, seq, bopt, Sopt, Topt); ++ scrub_file(filename, sopt, seq, bopt, Sopt, Topt, Eopt); + #if __APPLE__ + scrub_resfork(filename, seq, bopt); + #endif +@@ -346,14 +352,14 @@ done: + */ + static bool + scrub(char *path, off_t size, const sequence_t *seq, int bufsize, +- bool Sopt, bool sparse, bool enospc) ++ bool Sopt, bool sparse, bool enospc, bool extentonly) + { + unsigned char *buf; + int i; + prog_t p; + char sizestr[80]; + bool isfull = false; +- off_t written, checked; ++ off_t written = (off_t)-1, checked = (off_t)-1; + + if (!(buf = alloc_buffer(bufsize))) { + fprintf(stderr, "%s: out of memory\n", prog); +@@ -381,7 +387,7 @@ scrub(char *path, off_t size, const sequence_t *seq, int bufsize, + } + written = fillfile(path, size, buf, bufsize, + (progress_t)progress_update, p, +- (refill_t)genrand, sparse, enospc); ++ (refill_t)genrand, sparse, enospc, extentonly); + if (written == (off_t)-1) { + fprintf(stderr, "%s: %s: %s\n", prog, path, + strerror(errno)); +@@ -395,7 +401,7 @@ scrub(char *path, off_t size, const sequence_t *seq, int bufsize, + memset_pat(buf, seq->pat[i], bufsize); + written = fillfile(path, size, buf, bufsize, + (progress_t)progress_update, p, +- NULL, sparse, enospc); ++ NULL, sparse, enospc, extentonly); + if (written == (off_t)-1) { + fprintf(stderr, "%s: %s: %s\n", prog, path, + strerror(errno)); +@@ -409,7 +415,7 @@ scrub(char *path, off_t size, const sequence_t *seq, int bufsize, + memset_pat(buf, seq->pat[i], bufsize); + written = fillfile(path, size, buf, bufsize, + (progress_t)progress_update, p, +- NULL, sparse, enospc); ++ NULL, sparse, enospc, extentonly); + if (written == (off_t)-1) { + fprintf(stderr, "%s: %s: %s\n", prog, path, + strerror(errno)); +@@ -419,7 +425,7 @@ scrub(char *path, off_t size, const sequence_t *seq, int bufsize, + printf("%s: %-8s", prog, "verify"); + progress_create(&p, 50); + checked = checkfile(path, written, buf, bufsize, +- (progress_t)progress_update, p, sparse); ++ (progress_t)progress_update, p, sparse, extentonly); + if (checked == (off_t)-1) { + fprintf(stderr, "%s: %s: %s\n", prog, path, + strerror(errno)); +@@ -513,7 +519,7 @@ scrub_free(char *dirpath, off_t size, const sequence_t *seq, + size = blkalign(size, sb.st_blksize, DOWN); + do { + snprintf(path, sizeof(path), "%s/scrub.%.3d", dirpath, fileno++); +- isfull = scrub(path, size, seq, bufsize, Sopt, false, true); ++ isfull = scrub(path, size, seq, bufsize, Sopt, false, true, false); + } while (!isfull); + while (--fileno >= 0) { + snprintf(path, sizeof(path), "%s/scrub.%.3d", dirpath, fileno); +@@ -565,7 +571,7 @@ scrub_dirent(char *path, char *newpath) + */ + static void + scrub_file(char *path, off_t size, const sequence_t *seq, +- int bufsize, bool Sopt, bool sparse) ++ int bufsize, bool Sopt, bool sparse, bool extentonly) + { + struct stat sb; + filetype_t ftype = filetype(path); +@@ -590,7 +596,7 @@ scrub_file(char *path, off_t size, const sequence_t *seq, + prog, path, (int)(size - sb.st_size)); + } + } +- scrub(path, size, seq, bufsize, Sopt, sparse, false); ++ scrub(path, size, seq, bufsize, Sopt, sparse, false, extentonly); + } + + /* Scrub apple resource fork component of file. +@@ -618,7 +624,7 @@ scrub_resfork(char *path, const sequence_t *seq, int bufsize) + printf("%s: padding %s with %d bytes to fill last fs block\n", + prog, rpath, (int)(rsize - rsb.st_size)); + } +- scrub(rpath, rsize, seq, bufsize, false, false, false); ++ scrub(rpath, rsize, seq, bufsize, false, false, false, false); + } + #endif + +@@ -639,7 +645,7 @@ scrub_disk(char *path, off_t size, const sequence_t *seq, int bufsize, + } + printf("%s: please verify that device size below is correct!\n", prog); + } +- scrub(path, size, seq, bufsize, Sopt, sparse, false); ++ scrub(path, size, seq, bufsize, Sopt, sparse, false, false); + } + + /* +-- +2.20.1 + diff --git a/SOURCES/scrub-2.5.2-remove-aes-implementation.patch b/SOURCES/scrub-2.5.2-remove-aes-implementation.patch new file mode 100644 index 0000000..336dd75 --- /dev/null +++ b/SOURCES/scrub-2.5.2-remove-aes-implementation.patch @@ -0,0 +1,1285 @@ +From d39d4db5d0a3a16436a44b719caf90ccceed43fb Mon Sep 17 00:00:00 2001 +From: Daniel Kopecek +Date: Tue, 16 Jul 2019 13:24:03 +0200 +Subject: [PATCH] remove custom AES implementation + +--- + configure.ac | 13 + + src/Makefile.am | 4 +- + src/aes.c | 763 ----------------------------------------------- + src/aes.h | 43 --- + src/genrand.c | 126 +------- + src/genrand.h | 1 - + src/scrub.c | 5 - + test/Makefile.am | 9 +- + test/aestest.c | 128 -------- + test/t00 | 4 - + test/t00.exp | 13 - + 11 files changed, 25 insertions(+), 1084 deletions(-) + delete mode 100644 src/aes.c + delete mode 100644 src/aes.h + delete mode 100644 test/aestest.c + delete mode 100755 test/t00 + delete mode 100644 test/t00.exp + +diff --git a/configure.ac b/configure.ac +index a588abd..11e80f0 100644 +--- a/configure.ac ++++ b/configure.ac +@@ -68,6 +68,19 @@ AC_CHECK_FUNCS( \ + ) + X_AC_CHECK_PTHREADS + ++## ++# gcrypt library ++## ++AM_PATH_LIBGCRYPT([1.5.0], ++ [AC_DEFINE([HAVE_LIBGCRYPT], [1], [libgcrypt API available]) ++ gcrypt_CFLAGS="$LIBGCRYPT_CFLAGS" ++ gcrypt_LIBS="$LIBGCRYPT_LIBS"], ++ [AC_MSG_ERROR(libgcrypt dependency missing!)] ++) ++ ++AC_SUBST([gcrypt_CFLAGS]) ++AC_SUBST([gcrypt_LIBS]) ++ + ## + # Arrange for large file support + ## +diff --git a/src/Makefile.am b/src/Makefile.am +index 5de0b68..80d8269 100644 +--- a/src/Makefile.am ++++ b/src/Makefile.am +@@ -1,8 +1,6 @@ + bin_PROGRAMS = scrub + + scrub_SOURCES = \ +- aes.c \ +- aes.h \ + fextent_apply.c \ + fextent_apply.h \ + filldentry.c \ +@@ -25,4 +23,4 @@ scrub_SOURCES = \ + util.c \ + util.h + +-scrub_LDADD = $(LIBPTHREAD) ++scrub_LDADD = $(LIBPTHREAD) $(gcrypt_LIBS) +diff --git a/src/aes.c b/src/aes.c +deleted file mode 100644 +index 6e53a9d..0000000 +--- a/src/aes.c ++++ /dev/null +@@ -1,763 +0,0 @@ +-/* +- * FIPS-197 compliant AES implementation +- * +- * Copyright (C) 2001-2004 Christophe Devine +- * +- * 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 +- */ +- +-#if HAVE_CONFIG_H +-#include "config.h" +-#endif +-#include "aes.h" +- +-/* uncomment the following line to use pre-computed tables */ +-/* otherwise the tables will be generated at the first run */ +- +-/* #define FIXED_TABLES */ +- +-#ifndef FIXED_TABLES +- +-/* forward S-box & tables */ +- +-uint32 FSb[256]; +-uint32 FT0[256]; +-uint32 FT1[256]; +-uint32 FT2[256]; +-uint32 FT3[256]; +- +-/* reverse S-box & tables */ +- +-uint32 RSb[256]; +-uint32 RT0[256]; +-uint32 RT1[256]; +-uint32 RT2[256]; +-uint32 RT3[256]; +- +-/* round constants */ +- +-uint32 RCON[10]; +- +-/* tables generation flag */ +- +-int do_init = 1; +- +-/* tables generation routine */ +- +-#define ROTR8(x) ( ( ( x << 24 ) & 0xFFFFFFFF ) | \ +- ( ( x & 0xFFFFFFFF ) >> 8 ) ) +- +-#define XTIME(x) ( ( x << 1 ) ^ ( ( x & 0x80 ) ? 0x1B : 0x00 ) ) +-#define MUL(x,y) ( ( x && y ) ? pow[(log[x] + log[y]) % 255] : 0 ) +- +-void aes_gen_tables( void ) +-{ +- int i; +- uint8 x, y; +- uint8 pow[256]; +- uint8 log[256]; +- +- /* compute pow and log tables over GF(2^8) */ +- +- for( i = 0, x = 1; i < 256; i++, x ^= XTIME( x ) ) +- { +- pow[i] = x; +- log[x] = i; +- } +- +- /* calculate the round constants */ +- +- for( i = 0, x = 1; i < 10; i++, x = XTIME( x ) ) +- { +- RCON[i] = (uint32) x << 24; +- } +- +- /* generate the forward and reverse S-boxes */ +- +- FSb[0x00] = 0x63; +- RSb[0x63] = 0x00; +- +- for( i = 1; i < 256; i++ ) +- { +- x = pow[255 - log[i]]; +- +- y = x; y = ( y << 1 ) | ( y >> 7 ); +- x ^= y; y = ( y << 1 ) | ( y >> 7 ); +- x ^= y; y = ( y << 1 ) | ( y >> 7 ); +- x ^= y; y = ( y << 1 ) | ( y >> 7 ); +- x ^= y ^ 0x63; +- +- FSb[i] = x; +- RSb[x] = i; +- } +- +- /* generate the forward and reverse tables */ +- +- for( i = 0; i < 256; i++ ) +- { +- x = (unsigned char) FSb[i]; y = XTIME( x ); +- +- FT0[i] = (uint32) ( x ^ y ) ^ +- ( (uint32) x << 8 ) ^ +- ( (uint32) x << 16 ) ^ +- ( (uint32) y << 24 ); +- +- FT0[i] &= 0xFFFFFFFF; +- +- FT1[i] = ROTR8( FT0[i] ); +- FT2[i] = ROTR8( FT1[i] ); +- FT3[i] = ROTR8( FT2[i] ); +- +- y = (unsigned char) RSb[i]; +- +- RT0[i] = ( (uint32) MUL( 0x0B, y ) ) ^ +- ( (uint32) MUL( 0x0D, y ) << 8 ) ^ +- ( (uint32) MUL( 0x09, y ) << 16 ) ^ +- ( (uint32) MUL( 0x0E, y ) << 24 ); +- +- RT0[i] &= 0xFFFFFFFF; +- +- RT1[i] = ROTR8( RT0[i] ); +- RT2[i] = ROTR8( RT1[i] ); +- RT3[i] = ROTR8( RT2[i] ); +- } +-} +- +-#else +- +-/* forward S-box */ +- +-static const uint32 FSb[256] = +-{ +- 0x63, 0x7C, 0x77, 0x7B, 0xF2, 0x6B, 0x6F, 0xC5, +- 0x30, 0x01, 0x67, 0x2B, 0xFE, 0xD7, 0xAB, 0x76, +- 0xCA, 0x82, 0xC9, 0x7D, 0xFA, 0x59, 0x47, 0xF0, +- 0xAD, 0xD4, 0xA2, 0xAF, 0x9C, 0xA4, 0x72, 0xC0, +- 0xB7, 0xFD, 0x93, 0x26, 0x36, 0x3F, 0xF7, 0xCC, +- 0x34, 0xA5, 0xE5, 0xF1, 0x71, 0xD8, 0x31, 0x15, +- 0x04, 0xC7, 0x23, 0xC3, 0x18, 0x96, 0x05, 0x9A, +- 0x07, 0x12, 0x80, 0xE2, 0xEB, 0x27, 0xB2, 0x75, +- 0x09, 0x83, 0x2C, 0x1A, 0x1B, 0x6E, 0x5A, 0xA0, +- 0x52, 0x3B, 0xD6, 0xB3, 0x29, 0xE3, 0x2F, 0x84, +- 0x53, 0xD1, 0x00, 0xED, 0x20, 0xFC, 0xB1, 0x5B, +- 0x6A, 0xCB, 0xBE, 0x39, 0x4A, 0x4C, 0x58, 0xCF, +- 0xD0, 0xEF, 0xAA, 0xFB, 0x43, 0x4D, 0x33, 0x85, +- 0x45, 0xF9, 0x02, 0x7F, 0x50, 0x3C, 0x9F, 0xA8, +- 0x51, 0xA3, 0x40, 0x8F, 0x92, 0x9D, 0x38, 0xF5, +- 0xBC, 0xB6, 0xDA, 0x21, 0x10, 0xFF, 0xF3, 0xD2, +- 0xCD, 0x0C, 0x13, 0xEC, 0x5F, 0x97, 0x44, 0x17, +- 0xC4, 0xA7, 0x7E, 0x3D, 0x64, 0x5D, 0x19, 0x73, +- 0x60, 0x81, 0x4F, 0xDC, 0x22, 0x2A, 0x90, 0x88, +- 0x46, 0xEE, 0xB8, 0x14, 0xDE, 0x5E, 0x0B, 0xDB, +- 0xE0, 0x32, 0x3A, 0x0A, 0x49, 0x06, 0x24, 0x5C, +- 0xC2, 0xD3, 0xAC, 0x62, 0x91, 0x95, 0xE4, 0x79, +- 0xE7, 0xC8, 0x37, 0x6D, 0x8D, 0xD5, 0x4E, 0xA9, +- 0x6C, 0x56, 0xF4, 0xEA, 0x65, 0x7A, 0xAE, 0x08, +- 0xBA, 0x78, 0x25, 0x2E, 0x1C, 0xA6, 0xB4, 0xC6, +- 0xE8, 0xDD, 0x74, 0x1F, 0x4B, 0xBD, 0x8B, 0x8A, +- 0x70, 0x3E, 0xB5, 0x66, 0x48, 0x03, 0xF6, 0x0E, +- 0x61, 0x35, 0x57, 0xB9, 0x86, 0xC1, 0x1D, 0x9E, +- 0xE1, 0xF8, 0x98, 0x11, 0x69, 0xD9, 0x8E, 0x94, +- 0x9B, 0x1E, 0x87, 0xE9, 0xCE, 0x55, 0x28, 0xDF, +- 0x8C, 0xA1, 0x89, 0x0D, 0xBF, 0xE6, 0x42, 0x68, +- 0x41, 0x99, 0x2D, 0x0F, 0xB0, 0x54, 0xBB, 0x16 +-}; +- +-/* forward tables */ +- +-#define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define V(a,b,c,d) 0x##a##b##c##d +-static const uint32 FT0[256] = { FT }; +-#undef V +- +-#define V(a,b,c,d) 0x##d##a##b##c +-static const uint32 FT1[256] = { FT }; +-#undef V +- +-#define V(a,b,c,d) 0x##c##d##a##b +-static const uint32 FT2[256] = { FT }; +-#undef V +- +-#define V(a,b,c,d) 0x##b##c##d##a +-static const uint32 FT3[256] = { FT }; +-#undef V +- +-#undef FT +- +-/* reverse S-box */ +- +-static const uint32 RSb[256] = +-{ +- 0x52, 0x09, 0x6A, 0xD5, 0x30, 0x36, 0xA5, 0x38, +- 0xBF, 0x40, 0xA3, 0x9E, 0x81, 0xF3, 0xD7, 0xFB, +- 0x7C, 0xE3, 0x39, 0x82, 0x9B, 0x2F, 0xFF, 0x87, +- 0x34, 0x8E, 0x43, 0x44, 0xC4, 0xDE, 0xE9, 0xCB, +- 0x54, 0x7B, 0x94, 0x32, 0xA6, 0xC2, 0x23, 0x3D, +- 0xEE, 0x4C, 0x95, 0x0B, 0x42, 0xFA, 0xC3, 0x4E, +- 0x08, 0x2E, 0xA1, 0x66, 0x28, 0xD9, 0x24, 0xB2, +- 0x76, 0x5B, 0xA2, 0x49, 0x6D, 0x8B, 0xD1, 0x25, +- 0x72, 0xF8, 0xF6, 0x64, 0x86, 0x68, 0x98, 0x16, +- 0xD4, 0xA4, 0x5C, 0xCC, 0x5D, 0x65, 0xB6, 0x92, +- 0x6C, 0x70, 0x48, 0x50, 0xFD, 0xED, 0xB9, 0xDA, +- 0x5E, 0x15, 0x46, 0x57, 0xA7, 0x8D, 0x9D, 0x84, +- 0x90, 0xD8, 0xAB, 0x00, 0x8C, 0xBC, 0xD3, 0x0A, +- 0xF7, 0xE4, 0x58, 0x05, 0xB8, 0xB3, 0x45, 0x06, +- 0xD0, 0x2C, 0x1E, 0x8F, 0xCA, 0x3F, 0x0F, 0x02, +- 0xC1, 0xAF, 0xBD, 0x03, 0x01, 0x13, 0x8A, 0x6B, +- 0x3A, 0x91, 0x11, 0x41, 0x4F, 0x67, 0xDC, 0xEA, +- 0x97, 0xF2, 0xCF, 0xCE, 0xF0, 0xB4, 0xE6, 0x73, +- 0x96, 0xAC, 0x74, 0x22, 0xE7, 0xAD, 0x35, 0x85, +- 0xE2, 0xF9, 0x37, 0xE8, 0x1C, 0x75, 0xDF, 0x6E, +- 0x47, 0xF1, 0x1A, 0x71, 0x1D, 0x29, 0xC5, 0x89, +- 0x6F, 0xB7, 0x62, 0x0E, 0xAA, 0x18, 0xBE, 0x1B, +- 0xFC, 0x56, 0x3E, 0x4B, 0xC6, 0xD2, 0x79, 0x20, +- 0x9A, 0xDB, 0xC0, 0xFE, 0x78, 0xCD, 0x5A, 0xF4, +- 0x1F, 0xDD, 0xA8, 0x33, 0x88, 0x07, 0xC7, 0x31, +- 0xB1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xEC, 0x5F, +- 0x60, 0x51, 0x7F, 0xA9, 0x19, 0xB5, 0x4A, 0x0D, +- 0x2D, 0xE5, 0x7A, 0x9F, 0x93, 0xC9, 0x9C, 0xEF, +- 0xA0, 0xE0, 0x3B, 0x4D, 0xAE, 0x2A, 0xF5, 0xB0, +- 0xC8, 0xEB, 0xBB, 0x3C, 0x83, 0x53, 0x99, 0x61, +- 0x17, 0x2B, 0x04, 0x7E, 0xBA, 0x77, 0xD6, 0x26, +- 0xE1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0C, 0x7D +-}; +- +-/* reverse tables */ +- +-#define RT \ +-\ +- V(51,F4,A7,50), V(7E,41,65,53), V(1A,17,A4,C3), V(3A,27,5E,96), \ +- V(3B,AB,6B,CB), V(1F,9D,45,F1), V(AC,FA,58,AB), V(4B,E3,03,93), \ +- V(20,30,FA,55), V(AD,76,6D,F6), V(88,CC,76,91), V(F5,02,4C,25), \ +- V(4F,E5,D7,FC), V(C5,2A,CB,D7), V(26,35,44,80), V(B5,62,A3,8F), \ +- V(DE,B1,5A,49), V(25,BA,1B,67), V(45,EA,0E,98), V(5D,FE,C0,E1), \ +- V(C3,2F,75,02), V(81,4C,F0,12), V(8D,46,97,A3), V(6B,D3,F9,C6), \ +- V(03,8F,5F,E7), V(15,92,9C,95), V(BF,6D,7A,EB), V(95,52,59,DA), \ +- V(D4,BE,83,2D), V(58,74,21,D3), V(49,E0,69,29), V(8E,C9,C8,44), \ +- V(75,C2,89,6A), V(F4,8E,79,78), V(99,58,3E,6B), V(27,B9,71,DD), \ +- V(BE,E1,4F,B6), V(F0,88,AD,17), V(C9,20,AC,66), V(7D,CE,3A,B4), \ +- V(63,DF,4A,18), V(E5,1A,31,82), V(97,51,33,60), V(62,53,7F,45), \ +- V(B1,64,77,E0), V(BB,6B,AE,84), V(FE,81,A0,1C), V(F9,08,2B,94), \ +- V(70,48,68,58), V(8F,45,FD,19), V(94,DE,6C,87), V(52,7B,F8,B7), \ +- V(AB,73,D3,23), V(72,4B,02,E2), V(E3,1F,8F,57), V(66,55,AB,2A), \ +- V(B2,EB,28,07), V(2F,B5,C2,03), V(86,C5,7B,9A), V(D3,37,08,A5), \ +- V(30,28,87,F2), V(23,BF,A5,B2), V(02,03,6A,BA), V(ED,16,82,5C), \ +- V(8A,CF,1C,2B), V(A7,79,B4,92), V(F3,07,F2,F0), V(4E,69,E2,A1), \ +- V(65,DA,F4,CD), V(06,05,BE,D5), V(D1,34,62,1F), V(C4,A6,FE,8A), \ +- V(34,2E,53,9D), V(A2,F3,55,A0), V(05,8A,E1,32), V(A4,F6,EB,75), \ +- V(0B,83,EC,39), V(40,60,EF,AA), V(5E,71,9F,06), V(BD,6E,10,51), \ +- V(3E,21,8A,F9), V(96,DD,06,3D), V(DD,3E,05,AE), V(4D,E6,BD,46), \ +- V(91,54,8D,B5), V(71,C4,5D,05), V(04,06,D4,6F), V(60,50,15,FF), \ +- V(19,98,FB,24), V(D6,BD,E9,97), V(89,40,43,CC), V(67,D9,9E,77), \ +- V(B0,E8,42,BD), V(07,89,8B,88), V(E7,19,5B,38), V(79,C8,EE,DB), \ +- V(A1,7C,0A,47), V(7C,42,0F,E9), V(F8,84,1E,C9), V(00,00,00,00), \ +- V(09,80,86,83), V(32,2B,ED,48), V(1E,11,70,AC), V(6C,5A,72,4E), \ +- V(FD,0E,FF,FB), V(0F,85,38,56), V(3D,AE,D5,1E), V(36,2D,39,27), \ +- V(0A,0F,D9,64), V(68,5C,A6,21), V(9B,5B,54,D1), V(24,36,2E,3A), \ +- V(0C,0A,67,B1), V(93,57,E7,0F), V(B4,EE,96,D2), V(1B,9B,91,9E), \ +- V(80,C0,C5,4F), V(61,DC,20,A2), V(5A,77,4B,69), V(1C,12,1A,16), \ +- V(E2,93,BA,0A), V(C0,A0,2A,E5), V(3C,22,E0,43), V(12,1B,17,1D), \ +- V(0E,09,0D,0B), V(F2,8B,C7,AD), V(2D,B6,A8,B9), V(14,1E,A9,C8), \ +- V(57,F1,19,85), V(AF,75,07,4C), V(EE,99,DD,BB), V(A3,7F,60,FD), \ +- V(F7,01,26,9F), V(5C,72,F5,BC), V(44,66,3B,C5), V(5B,FB,7E,34), \ +- V(8B,43,29,76), V(CB,23,C6,DC), V(B6,ED,FC,68), V(B8,E4,F1,63), \ +- V(D7,31,DC,CA), V(42,63,85,10), V(13,97,22,40), V(84,C6,11,20), \ +- V(85,4A,24,7D), V(D2,BB,3D,F8), V(AE,F9,32,11), V(C7,29,A1,6D), \ +- V(1D,9E,2F,4B), V(DC,B2,30,F3), V(0D,86,52,EC), V(77,C1,E3,D0), \ +- V(2B,B3,16,6C), V(A9,70,B9,99), V(11,94,48,FA), V(47,E9,64,22), \ +- V(A8,FC,8C,C4), V(A0,F0,3F,1A), V(56,7D,2C,D8), V(22,33,90,EF), \ +- V(87,49,4E,C7), V(D9,38,D1,C1), V(8C,CA,A2,FE), V(98,D4,0B,36), \ +- V(A6,F5,81,CF), V(A5,7A,DE,28), V(DA,B7,8E,26), V(3F,AD,BF,A4), \ +- V(2C,3A,9D,E4), V(50,78,92,0D), V(6A,5F,CC,9B), V(54,7E,46,62), \ +- V(F6,8D,13,C2), V(90,D8,B8,E8), V(2E,39,F7,5E), V(82,C3,AF,F5), \ +- V(9F,5D,80,BE), V(69,D0,93,7C), V(6F,D5,2D,A9), V(CF,25,12,B3), \ +- V(C8,AC,99,3B), V(10,18,7D,A7), V(E8,9C,63,6E), V(DB,3B,BB,7B), \ +- V(CD,26,78,09), V(6E,59,18,F4), V(EC,9A,B7,01), V(83,4F,9A,A8), \ +- V(E6,95,6E,65), V(AA,FF,E6,7E), V(21,BC,CF,08), V(EF,15,E8,E6), \ +- V(BA,E7,9B,D9), V(4A,6F,36,CE), V(EA,9F,09,D4), V(29,B0,7C,D6), \ +- V(31,A4,B2,AF), V(2A,3F,23,31), V(C6,A5,94,30), V(35,A2,66,C0), \ +- V(74,4E,BC,37), V(FC,82,CA,A6), V(E0,90,D0,B0), V(33,A7,D8,15), \ +- V(F1,04,98,4A), V(41,EC,DA,F7), V(7F,CD,50,0E), V(17,91,F6,2F), \ +- V(76,4D,D6,8D), V(43,EF,B0,4D), V(CC,AA,4D,54), V(E4,96,04,DF), \ +- V(9E,D1,B5,E3), V(4C,6A,88,1B), V(C1,2C,1F,B8), V(46,65,51,7F), \ +- V(9D,5E,EA,04), V(01,8C,35,5D), V(FA,87,74,73), V(FB,0B,41,2E), \ +- V(B3,67,1D,5A), V(92,DB,D2,52), V(E9,10,56,33), V(6D,D6,47,13), \ +- V(9A,D7,61,8C), V(37,A1,0C,7A), V(59,F8,14,8E), V(EB,13,3C,89), \ +- V(CE,A9,27,EE), V(B7,61,C9,35), V(E1,1C,E5,ED), V(7A,47,B1,3C), \ +- V(9C,D2,DF,59), V(55,F2,73,3F), V(18,14,CE,79), V(73,C7,37,BF), \ +- V(53,F7,CD,EA), V(5F,FD,AA,5B), V(DF,3D,6F,14), V(78,44,DB,86), \ +- V(CA,AF,F3,81), V(B9,68,C4,3E), V(38,24,34,2C), V(C2,A3,40,5F), \ +- V(16,1D,C3,72), V(BC,E2,25,0C), V(28,3C,49,8B), V(FF,0D,95,41), \ +- V(39,A8,01,71), V(08,0C,B3,DE), V(D8,B4,E4,9C), V(64,56,C1,90), \ +- V(7B,CB,84,61), V(D5,32,B6,70), V(48,6C,5C,74), V(D0,B8,57,42) +- +-#define V(a,b,c,d) 0x##a##b##c##d +-static const uint32 RT0[256] = { RT }; +-#undef V +- +-#define V(a,b,c,d) 0x##d##a##b##c +-static const uint32 RT1[256] = { RT }; +-#undef V +- +-#define V(a,b,c,d) 0x##c##d##a##b +-static const uint32 RT2[256] = { RT }; +-#undef V +- +-#define V(a,b,c,d) 0x##b##c##d##a +-static const uint32 RT3[256] = { RT }; +-#undef V +- +-#undef RT +- +-/* round constants */ +- +-static const uint32 RCON[10] = +-{ +- 0x01000000, 0x02000000, 0x04000000, 0x08000000, +- 0x10000000, 0x20000000, 0x40000000, 0x80000000, +- 0x1B000000, 0x36000000 +-}; +- +-int do_init = 0; +- +-void aes_gen_tables( void ) +-{ +-} +- +-#endif +- +-/* platform-independant 32-bit integer manipulation macros */ +- +-#define GET_UINT32(n,b,i) \ +-{ \ +- (n) = ( (uint32) (b)[(i) ] << 24 ) \ +- | ( (uint32) (b)[(i) + 1] << 16 ) \ +- | ( (uint32) (b)[(i) + 2] << 8 ) \ +- | ( (uint32) (b)[(i) + 3] ); \ +-} +- +-#define PUT_UINT32(n,b,i) \ +-{ \ +- (b)[(i) ] = (uint8) ( (n) >> 24 ); \ +- (b)[(i) + 1] = (uint8) ( (n) >> 16 ); \ +- (b)[(i) + 2] = (uint8) ( (n) >> 8 ); \ +- (b)[(i) + 3] = (uint8) ( (n) ); \ +-} +- +-/* decryption key schedule tables */ +- +-int KT_init = 1; +- +-uint32 KT0[256]; +-uint32 KT1[256]; +-uint32 KT2[256]; +-uint32 KT3[256]; +- +-/* AES key scheduling routine */ +- +-int aes_set_key( aes_context *ctx, uint8 *key, int nbits ) +-{ +- int i; +- uint32 *RK, *SK; +- +- if( do_init ) +- { +- aes_gen_tables(); +- +- do_init = 0; +- } +- +- switch( nbits ) +- { +- case 128: ctx->nr = 10; break; +- case 192: ctx->nr = 12; break; +- case 256: ctx->nr = 14; break; +- default : return( 1 ); +- } +- +- RK = ctx->erk; +- +- for( i = 0; i < (nbits >> 5); i++ ) +- { +- GET_UINT32( RK[i], key, i * 4 ); +- } +- +- /* setup encryption round keys */ +- +- switch( nbits ) +- { +- case 128: +- +- for( i = 0; i < 10; i++, RK += 4 ) +- { +- RK[4] = RK[0] ^ RCON[i] ^ +- ( FSb[ (uint8) ( RK[3] >> 16 ) ] << 24 ) ^ +- ( FSb[ (uint8) ( RK[3] >> 8 ) ] << 16 ) ^ +- ( FSb[ (uint8) ( RK[3] ) ] << 8 ) ^ +- ( FSb[ (uint8) ( RK[3] >> 24 ) ] ); +- +- RK[5] = RK[1] ^ RK[4]; +- RK[6] = RK[2] ^ RK[5]; +- RK[7] = RK[3] ^ RK[6]; +- } +- break; +- +- case 192: +- +- for( i = 0; i < 8; i++, RK += 6 ) +- { +- RK[6] = RK[0] ^ RCON[i] ^ +- ( FSb[ (uint8) ( RK[5] >> 16 ) ] << 24 ) ^ +- ( FSb[ (uint8) ( RK[5] >> 8 ) ] << 16 ) ^ +- ( FSb[ (uint8) ( RK[5] ) ] << 8 ) ^ +- ( FSb[ (uint8) ( RK[5] >> 24 ) ] ); +- +- RK[7] = RK[1] ^ RK[6]; +- RK[8] = RK[2] ^ RK[7]; +- RK[9] = RK[3] ^ RK[8]; +- RK[10] = RK[4] ^ RK[9]; +- RK[11] = RK[5] ^ RK[10]; +- } +- break; +- +- case 256: +- +- for( i = 0; i < 7; i++, RK += 8 ) +- { +- RK[8] = RK[0] ^ RCON[i] ^ +- ( FSb[ (uint8) ( RK[7] >> 16 ) ] << 24 ) ^ +- ( FSb[ (uint8) ( RK[7] >> 8 ) ] << 16 ) ^ +- ( FSb[ (uint8) ( RK[7] ) ] << 8 ) ^ +- ( FSb[ (uint8) ( RK[7] >> 24 ) ] ); +- +- RK[9] = RK[1] ^ RK[8]; +- RK[10] = RK[2] ^ RK[9]; +- RK[11] = RK[3] ^ RK[10]; +- +- RK[12] = RK[4] ^ +- ( FSb[ (uint8) ( RK[11] >> 24 ) ] << 24 ) ^ +- ( FSb[ (uint8) ( RK[11] >> 16 ) ] << 16 ) ^ +- ( FSb[ (uint8) ( RK[11] >> 8 ) ] << 8 ) ^ +- ( FSb[ (uint8) ( RK[11] ) ] ); +- +- RK[13] = RK[5] ^ RK[12]; +- RK[14] = RK[6] ^ RK[13]; +- RK[15] = RK[7] ^ RK[14]; +- } +- break; +- } +- +- /* setup decryption round keys */ +- +- if( KT_init ) +- { +- for( i = 0; i < 256; i++ ) +- { +- KT0[i] = RT0[ FSb[i] ]; +- KT1[i] = RT1[ FSb[i] ]; +- KT2[i] = RT2[ FSb[i] ]; +- KT3[i] = RT3[ FSb[i] ]; +- } +- +- KT_init = 0; +- } +- +- SK = ctx->drk; +- +- *SK++ = *RK++; +- *SK++ = *RK++; +- *SK++ = *RK++; +- *SK++ = *RK++; +- +- for( i = 1; i < ctx->nr; i++ ) +- { +- RK -= 8; +- +- *SK++ = KT0[ (uint8) ( *RK >> 24 ) ] ^ +- KT1[ (uint8) ( *RK >> 16 ) ] ^ +- KT2[ (uint8) ( *RK >> 8 ) ] ^ +- KT3[ (uint8) ( *RK ) ]; RK++; +- +- *SK++ = KT0[ (uint8) ( *RK >> 24 ) ] ^ +- KT1[ (uint8) ( *RK >> 16 ) ] ^ +- KT2[ (uint8) ( *RK >> 8 ) ] ^ +- KT3[ (uint8) ( *RK ) ]; RK++; +- +- *SK++ = KT0[ (uint8) ( *RK >> 24 ) ] ^ +- KT1[ (uint8) ( *RK >> 16 ) ] ^ +- KT2[ (uint8) ( *RK >> 8 ) ] ^ +- KT3[ (uint8) ( *RK ) ]; RK++; +- +- *SK++ = KT0[ (uint8) ( *RK >> 24 ) ] ^ +- KT1[ (uint8) ( *RK >> 16 ) ] ^ +- KT2[ (uint8) ( *RK >> 8 ) ] ^ +- KT3[ (uint8) ( *RK ) ]; RK++; +- } +- +- RK -= 8; +- +- *SK++ = *RK++; +- *SK++ = *RK++; +- *SK++ = *RK++; +- *SK++ = *RK++; +- +- return( 0 ); +-} +- +-/* AES 128-bit block encryption routine */ +- +-void aes_encrypt( aes_context *ctx, uint8 input[16], uint8 output[16] ) +-{ +- uint32 *RK, X0, X1, X2, X3, Y0, Y1, Y2, Y3; +- +- RK = ctx->erk; +- +- GET_UINT32( X0, input, 0 ); X0 ^= RK[0]; +- GET_UINT32( X1, input, 4 ); X1 ^= RK[1]; +- GET_UINT32( X2, input, 8 ); X2 ^= RK[2]; +- GET_UINT32( X3, input, 12 ); X3 ^= RK[3]; +- +-#define AES_FROUND(X0,X1,X2,X3,Y0,Y1,Y2,Y3) \ +-{ \ +- RK += 4; \ +- \ +- X0 = RK[0] ^ FT0[ (uint8) ( Y0 >> 24 ) ] ^ \ +- FT1[ (uint8) ( Y1 >> 16 ) ] ^ \ +- FT2[ (uint8) ( Y2 >> 8 ) ] ^ \ +- FT3[ (uint8) ( Y3 ) ]; \ +- \ +- X1 = RK[1] ^ FT0[ (uint8) ( Y1 >> 24 ) ] ^ \ +- FT1[ (uint8) ( Y2 >> 16 ) ] ^ \ +- FT2[ (uint8) ( Y3 >> 8 ) ] ^ \ +- FT3[ (uint8) ( Y0 ) ]; \ +- \ +- X2 = RK[2] ^ FT0[ (uint8) ( Y2 >> 24 ) ] ^ \ +- FT1[ (uint8) ( Y3 >> 16 ) ] ^ \ +- FT2[ (uint8) ( Y0 >> 8 ) ] ^ \ +- FT3[ (uint8) ( Y1 ) ]; \ +- \ +- X3 = RK[3] ^ FT0[ (uint8) ( Y3 >> 24 ) ] ^ \ +- FT1[ (uint8) ( Y0 >> 16 ) ] ^ \ +- FT2[ (uint8) ( Y1 >> 8 ) ] ^ \ +- FT3[ (uint8) ( Y2 ) ]; \ +-} +- +- AES_FROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); /* round 1 */ +- AES_FROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 ); /* round 2 */ +- AES_FROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); /* round 3 */ +- AES_FROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 ); /* round 4 */ +- AES_FROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); /* round 5 */ +- AES_FROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 ); /* round 6 */ +- AES_FROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); /* round 7 */ +- AES_FROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 ); /* round 8 */ +- AES_FROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); /* round 9 */ +- +- if( ctx->nr > 10 ) +- { +- AES_FROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 ); /* round 10 */ +- AES_FROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); /* round 11 */ +- } +- +- if( ctx->nr > 12 ) +- { +- AES_FROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 ); /* round 12 */ +- AES_FROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); /* round 13 */ +- } +- +- /* last round */ +- +- RK += 4; +- +- X0 = RK[0] ^ ( FSb[ (uint8) ( Y0 >> 24 ) ] << 24 ) ^ +- ( FSb[ (uint8) ( Y1 >> 16 ) ] << 16 ) ^ +- ( FSb[ (uint8) ( Y2 >> 8 ) ] << 8 ) ^ +- ( FSb[ (uint8) ( Y3 ) ] ); +- +- X1 = RK[1] ^ ( FSb[ (uint8) ( Y1 >> 24 ) ] << 24 ) ^ +- ( FSb[ (uint8) ( Y2 >> 16 ) ] << 16 ) ^ +- ( FSb[ (uint8) ( Y3 >> 8 ) ] << 8 ) ^ +- ( FSb[ (uint8) ( Y0 ) ] ); +- +- X2 = RK[2] ^ ( FSb[ (uint8) ( Y2 >> 24 ) ] << 24 ) ^ +- ( FSb[ (uint8) ( Y3 >> 16 ) ] << 16 ) ^ +- ( FSb[ (uint8) ( Y0 >> 8 ) ] << 8 ) ^ +- ( FSb[ (uint8) ( Y1 ) ] ); +- +- X3 = RK[3] ^ ( FSb[ (uint8) ( Y3 >> 24 ) ] << 24 ) ^ +- ( FSb[ (uint8) ( Y0 >> 16 ) ] << 16 ) ^ +- ( FSb[ (uint8) ( Y1 >> 8 ) ] << 8 ) ^ +- ( FSb[ (uint8) ( Y2 ) ] ); +- +- PUT_UINT32( X0, output, 0 ); +- PUT_UINT32( X1, output, 4 ); +- PUT_UINT32( X2, output, 8 ); +- PUT_UINT32( X3, output, 12 ); +-} +- +-/* AES 128-bit block decryption routine */ +- +-void aes_decrypt( aes_context *ctx, uint8 input[16], uint8 output[16] ) +-{ +- uint32 *RK, X0, X1, X2, X3, Y0, Y1, Y2, Y3; +- +- RK = ctx->drk; +- +- GET_UINT32( X0, input, 0 ); X0 ^= RK[0]; +- GET_UINT32( X1, input, 4 ); X1 ^= RK[1]; +- GET_UINT32( X2, input, 8 ); X2 ^= RK[2]; +- GET_UINT32( X3, input, 12 ); X3 ^= RK[3]; +- +-#define AES_RROUND(X0,X1,X2,X3,Y0,Y1,Y2,Y3) \ +-{ \ +- RK += 4; \ +- \ +- X0 = RK[0] ^ RT0[ (uint8) ( Y0 >> 24 ) ] ^ \ +- RT1[ (uint8) ( Y3 >> 16 ) ] ^ \ +- RT2[ (uint8) ( Y2 >> 8 ) ] ^ \ +- RT3[ (uint8) ( Y1 ) ]; \ +- \ +- X1 = RK[1] ^ RT0[ (uint8) ( Y1 >> 24 ) ] ^ \ +- RT1[ (uint8) ( Y0 >> 16 ) ] ^ \ +- RT2[ (uint8) ( Y3 >> 8 ) ] ^ \ +- RT3[ (uint8) ( Y2 ) ]; \ +- \ +- X2 = RK[2] ^ RT0[ (uint8) ( Y2 >> 24 ) ] ^ \ +- RT1[ (uint8) ( Y1 >> 16 ) ] ^ \ +- RT2[ (uint8) ( Y0 >> 8 ) ] ^ \ +- RT3[ (uint8) ( Y3 ) ]; \ +- \ +- X3 = RK[3] ^ RT0[ (uint8) ( Y3 >> 24 ) ] ^ \ +- RT1[ (uint8) ( Y2 >> 16 ) ] ^ \ +- RT2[ (uint8) ( Y1 >> 8 ) ] ^ \ +- RT3[ (uint8) ( Y0 ) ]; \ +-} +- +- AES_RROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); /* round 1 */ +- AES_RROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 ); /* round 2 */ +- AES_RROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); /* round 3 */ +- AES_RROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 ); /* round 4 */ +- AES_RROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); /* round 5 */ +- AES_RROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 ); /* round 6 */ +- AES_RROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); /* round 7 */ +- AES_RROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 ); /* round 8 */ +- AES_RROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); /* round 9 */ +- +- if( ctx->nr > 10 ) +- { +- AES_RROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 ); /* round 10 */ +- AES_RROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); /* round 11 */ +- } +- +- if( ctx->nr > 12 ) +- { +- AES_RROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 ); /* round 12 */ +- AES_RROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); /* round 13 */ +- } +- +- /* last round */ +- +- RK += 4; +- +- X0 = RK[0] ^ ( RSb[ (uint8) ( Y0 >> 24 ) ] << 24 ) ^ +- ( RSb[ (uint8) ( Y3 >> 16 ) ] << 16 ) ^ +- ( RSb[ (uint8) ( Y2 >> 8 ) ] << 8 ) ^ +- ( RSb[ (uint8) ( Y1 ) ] ); +- +- X1 = RK[1] ^ ( RSb[ (uint8) ( Y1 >> 24 ) ] << 24 ) ^ +- ( RSb[ (uint8) ( Y0 >> 16 ) ] << 16 ) ^ +- ( RSb[ (uint8) ( Y3 >> 8 ) ] << 8 ) ^ +- ( RSb[ (uint8) ( Y2 ) ] ); +- +- X2 = RK[2] ^ ( RSb[ (uint8) ( Y2 >> 24 ) ] << 24 ) ^ +- ( RSb[ (uint8) ( Y1 >> 16 ) ] << 16 ) ^ +- ( RSb[ (uint8) ( Y0 >> 8 ) ] << 8 ) ^ +- ( RSb[ (uint8) ( Y3 ) ] ); +- +- X3 = RK[3] ^ ( RSb[ (uint8) ( Y3 >> 24 ) ] << 24 ) ^ +- ( RSb[ (uint8) ( Y2 >> 16 ) ] << 16 ) ^ +- ( RSb[ (uint8) ( Y1 >> 8 ) ] << 8 ) ^ +- ( RSb[ (uint8) ( Y0 ) ] ); +- +- PUT_UINT32( X0, output, 0 ); +- PUT_UINT32( X1, output, 4 ); +- PUT_UINT32( X2, output, 8 ); +- PUT_UINT32( X3, output, 12 ); +-} +diff --git a/src/aes.h b/src/aes.h +deleted file mode 100644 +index bf3806f..0000000 +--- a/src/aes.h ++++ /dev/null +@@ -1,43 +0,0 @@ +-/* +- * FIPS-197 compliant AES implementation +- * +- * Copyright (C) 2001-2004 Christophe Devine +- * +- * 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 +- */ +-#ifndef _AES_H +-#define _AES_H +- +-#ifndef uint8 +-#define uint8 unsigned char +-#endif +- +-#ifndef uint32 +-#define uint32 unsigned long int +-#endif +- +-typedef struct +-{ +- uint32 erk[64]; /* encryption round keys */ +- uint32 drk[64]; /* decryption round keys */ +- int nr; /* number of rounds */ +-} +-aes_context; +- +-int aes_set_key( aes_context *ctx, uint8 *key, int nbits ); +-void aes_encrypt( aes_context *ctx, uint8 input[16], uint8 output[16] ); +-void aes_decrypt( aes_context *ctx, uint8 input[16], uint8 output[16] ); +- +-#endif /* aes.h */ +diff --git a/src/genrand.c b/src/genrand.c +index ecfd382..85be629 100644 +--- a/src/genrand.c ++++ b/src/genrand.c +@@ -38,132 +38,31 @@ + #include + #include + +-#include "aes.h" ++#include ++ + #include "util.h" + #include "genrand.h" + #include "hwrand.h" + +-#define PATH_URANDOM "/dev/urandom" +- +-#define PAYLOAD_SZ 16 +-#define KEY_SZ 16 +- + extern char *prog; + + static bool no_hwrand = false; + static hwrand_t gen_hwrand; + +-static aes_context ctx; +-static unsigned char ctr[PAYLOAD_SZ]; +- +-#if HAVE_RAND_R +-static unsigned int seed; +-#elif HAVE_RANDOM_R +-static char rstate[128]; +-static struct random_data rdata; +-#else +-#error Neither rand_r nor random_r are available +-#endif +- +-/* Increment 128 bit counter. +- * NOTE: we are not concerned with endianness here since the counter is +- * just sixteen bytes of payload to AES and outside of this function isn't +- * operated upon numerically. +- */ +-static void +-incr128(unsigned char *val) +-{ +- unsigned long long *t = (unsigned long long *)val; +- +- assert(sizeof(unsigned long long) == 8); +- assert(PAYLOAD_SZ == 16); +- if (++t[0] == 0) +- ++t[1]; +-} +- +-/* Copy 'buflen' bytes of raw randomness into 'buf'. +- */ +-static int +-genrandraw(unsigned char *buf, int buflen) +-{ +- static int fd = -1; +- int n; +- +- if (fd < 0) { +- fd = open(PATH_URANDOM, O_RDONLY); +- +- /* Still can't open /dev/urandom - this is weak */ +- if (fd < 0) { +-#if HAVE_RAND_R +- for (n = 0; n < buflen; n++) +- buf[n] = rand_r (&seed); +-#elif HAVE_RANDOM_R +- int32_t result; +- +- for (n = 0; n < buflen; n++) { +- if (random_r(&rdata, &result) < 0) +- goto error; +- buf[n] = result; +- } +-#endif +- return 0; +- } +- } +- +- n = read_all(fd, buf, buflen); +- if (n < 0) +- goto error; +- if (n == 0) { +- errno = EIO; /* early EOF */ +- goto error; +- } +- return 0; +-error: +- return -1; +-} +- +-/* Pick new (random) key and counter values. ++/* Initialize the module. + */ + int +-churnrand(void) ++initrand(void) + { +- unsigned char key[KEY_SZ]; +- +- if (genrandraw(ctr, PAYLOAD_SZ) < 0) +- goto error; +- if (genrandraw(key, KEY_SZ) < 0) +- goto error; +- if (aes_set_key(&ctx, key, KEY_SZ*8) != 0) { +- errno = EINVAL; ++ if (!gcry_check_version(GCRYPT_VERSION)) { + goto error; + } +- return 0; +-error: +- return -1; +-} + +-/* Initialize the module. +- */ +-int +-initrand(void) +-{ +- struct timeval tv; ++ gcry_control(GCRYCTL_INITIALIZATION_FINISHED, 0); + + if (!no_hwrand) + gen_hwrand = init_hwrand(); + +- /* Always initialize the software random number generator as backup */ +- +- if (gettimeofday(&tv, NULL) < 0) +- goto error; +-#if HAVE_RAND_R +- seed = tv.tv_usec; +-#elif HAVE_RANDOM_R +- if (initstate_r(tv.tv_usec, rstate, sizeof(rstate), &rdata) < 0) +- goto error; +-#endif +- if (churnrand() < 0) +- goto error; + return 0; + error: + return -1; +@@ -174,24 +73,13 @@ error: + void + genrand(unsigned char *buf, int buflen) + { +- int i; +- unsigned char out[PAYLOAD_SZ]; +- int cpylen = PAYLOAD_SZ; +- + if (gen_hwrand) { + bool hwok = gen_hwrand(buf, buflen); + if (hwok) + return; + } + +- for (i = 0; i < buflen; i += cpylen) { +- aes_encrypt(&ctx, ctr, out); +- incr128(ctr); +- if (cpylen > buflen - i) +- cpylen = buflen - i; +- memcpy(&buf[i], out, cpylen); +- } +- assert(i == buflen); ++ gcry_randomize(buf, buflen, GCRY_STRONG_RANDOM); + } + + /* +diff --git a/src/genrand.h b/src/genrand.h +index 2bdebe7..f930f0f 100644 +--- a/src/genrand.h ++++ b/src/genrand.h +@@ -26,7 +26,6 @@ + + void disable_hwrand(void); + int initrand(void); +-int churnrand(void); + void genrand(unsigned char *buf, int buflen); + + /* +diff --git a/src/scrub.c b/src/scrub.c +index b0eb1f7..df74ee4 100644 +--- a/src/scrub.c ++++ b/src/scrub.c +@@ -380,11 +380,6 @@ scrub(char *path, off_t size, const sequence_t *seq, int bufsize, + case PAT_RANDOM: + printf("%s: %-8s", prog, "random"); + progress_create(&p, 50); +- if (churnrand() < 0) { +- fprintf(stderr, "%s: churnrand: %s\n", prog, +- strerror(errno)); +- exit(1); +- } + written = fillfile(path, size, buf, bufsize, + (progress_t)progress_update, p, + (refill_t)genrand, sparse, enospc, extentonly); +diff --git a/test/Makefile.am b/test/Makefile.am +index 620e447..36cd557 100644 +--- a/test/Makefile.am ++++ b/test/Makefile.am +@@ -1,28 +1,27 @@ +-check_PROGRAMS = pad trand aestest tprogress tgetsize tsig tsize pat ++check_PROGRAMS = pad trand tprogress tgetsize tsig tsize pat + + TESTS_ENVIRONMENT = env + TESTS_ENVIRONMENT += "PATH_SCRUB=$(top_builddir)/src/scrub" +-TESTS = t00 t01 t02 t03 t04 t05 t06 t07 t08 t09 t10 t11 t12 t13 t14 +-EXPS = t00.exp t01.exp t02.exp t03.exp t04.exp t05.exp t06.exp t07.exp \ ++TESTS = t01 t02 t03 t04 t05 t06 t07 t08 t09 t10 t11 t12 t13 t14 ++EXPS = t01.exp t02.exp t03.exp t04.exp t05.exp t06.exp t07.exp \ + t08.exp t10-cartman.exp t10-jimmy.exp t10-manbearpig.exp \ + t10-marklar.exp t10-timmy.exp t11.exp t12.exp t13.exp t14.exp + + CLEANFILES = *.out *.diff testfile + + AM_CFLAGS = -I$(top_srcdir)/src ++AM_LDFLAGS = $(gcrypt_LIBS) + + common_sources = \ + $(top_srcdir)/src/getsize.c \ + $(top_srcdir)/src/genrand.c \ + $(top_srcdir)/src/hwrand.c \ +- $(top_srcdir)/src/aes.c \ + $(top_srcdir)/src/util.c \ + $(top_srcdir)/src/progress.c \ + $(top_srcdir)/src/sig.c + + pad_SOURCES = pad.c $(common_sources) + trand_SOURCES = trand.c $(common_sources) +-aestest_SOURCES = aestest.c $(common_sources) + tprogress_SOURCES = tprogress.c $(common_sources) + tgetsize_SOURCES = tgetsize.c $(common_sources) + tsig_SOURCES = tsig.c $(common_sources) +diff --git a/test/aestest.c b/test/aestest.c +deleted file mode 100644 +index 685f71c..0000000 +--- a/test/aestest.c ++++ /dev/null +@@ -1,128 +0,0 @@ +-/* +- * FIPS-197 compliant AES implementation +- * +- * Copyright (C) 2001-2004 Christophe Devine +- * +- * 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 +- */ +- +-#if HAVE_CONFIG_H +-#include "config.h" +-#endif +-#include +-#include +-#include +- +-#include "aes.h" +- +-char *prog; +- +-/* +- * Rijndael Monte Carlo Test: ECB mode +- * source: NIST - rijndael-vals.zip +- */ +- +-static unsigned char AES_enc_test[3][16] = +-{ +- { 0xA0, 0x43, 0x77, 0xAB, 0xE2, 0x59, 0xB0, 0xD0, +- 0xB5, 0xBA, 0x2D, 0x40, 0xA5, 0x01, 0x97, 0x1B }, +- { 0x4E, 0x46, 0xF8, 0xC5, 0x09, 0x2B, 0x29, 0xE2, +- 0x9A, 0x97, 0x1A, 0x0C, 0xD1, 0xF6, 0x10, 0xFB }, +- { 0x1F, 0x67, 0x63, 0xDF, 0x80, 0x7A, 0x7E, 0x70, +- 0x96, 0x0D, 0x4C, 0xD3, 0x11, 0x8E, 0x60, 0x1A } +-}; +- +-static unsigned char AES_dec_test[3][16] = +-{ +- { 0xF5, 0xBF, 0x8B, 0x37, 0x13, 0x6F, 0x2E, 0x1F, +- 0x6B, 0xEC, 0x6F, 0x57, 0x20, 0x21, 0xE3, 0xBA }, +- { 0xF1, 0xA8, 0x1B, 0x68, 0xF6, 0xE5, 0xA6, 0x27, +- 0x1A, 0x8C, 0xB2, 0x4E, 0x7D, 0x94, 0x91, 0xEF }, +- { 0x4D, 0xE0, 0xC6, 0xDF, 0x7C, 0xB1, 0x69, 0x72, +- 0x84, 0x60, 0x4D, 0x60, 0x27, 0x1B, 0xC5, 0x9A } +-}; +- +-int main(int argc, char *argv[]) +-{ +- int m, n, i, j; +- aes_context ctx; +- unsigned char buf[16]; +- unsigned char key[32]; +- +- prog = basename(argv[0]); +- +- for( m = 0; m < 2; m++ ) +- { +- printf( "\n Rijndael Monte Carlo Test (ECB mode) - " ); +- +- if( m == 0 ) printf( "encryption\n\n" ); +- if( m == 1 ) printf( "decryption\n\n" ); +- +- for( n = 0; n < 3; n++ ) +- { +- printf( " Test %d, key size = %3d bits: ", +- n + 1, 128 + n * 64 ); +- +- fflush( stdout ); +- +- memset( buf, 0, 16 ); +- memset( key, 0, 16 + n * 8 ); +- +- for( i = 0; i < 400; i++ ) +- { +- aes_set_key( &ctx, key, 128 + n * 64 ); +- +- for( j = 0; j < 9999; j++ ) +- { +- if( m == 0 ) aes_encrypt( &ctx, buf, buf ); +- if( m == 1 ) aes_decrypt( &ctx, buf, buf ); +- } +- +- if( n > 0 ) +- { +- for( j = 0; j < (n << 3); j++ ) +- { +- key[j] ^= buf[j + 16 - (n << 3)]; +- } +- } +- +- if( m == 0 ) aes_encrypt( &ctx, buf, buf ); +- if( m == 1 ) aes_decrypt( &ctx, buf, buf ); +- +- for( j = 0; j < 16; j++ ) +- { +- key[j + (n << 3)] ^= buf[j]; +- } +- } +- +- if( ( m == 0 && memcmp( buf, AES_enc_test[n], 16 ) != 0 ) || +- ( m == 1 && memcmp( buf, AES_dec_test[n], 16 ) != 0 ) ) +- { +- printf( "failed!\n" ); +- return( 1 ); +- } +- +- printf( "passed.\n" ); +- } +- } +- +- printf( "\n" ); +- +- return( 0 ); +-} +- +-/* +- * vi:tabstop=4 shiftwidth=4 expandtab +- */ +diff --git a/test/t00 b/test/t00 +deleted file mode 100755 +index a231dea..0000000 +--- a/test/t00 ++++ /dev/null +@@ -1,4 +0,0 @@ +-#!/bin/sh +- +-./aestest >t00.out +-diff t00.exp t00.out >t00.diff +diff --git a/test/t00.exp b/test/t00.exp +deleted file mode 100644 +index cd27fed..0000000 +--- a/test/t00.exp ++++ /dev/null +@@ -1,13 +0,0 @@ +- +- Rijndael Monte Carlo Test (ECB mode) - encryption +- +- Test 1, key size = 128 bits: passed. +- Test 2, key size = 192 bits: passed. +- Test 3, key size = 256 bits: passed. +- +- Rijndael Monte Carlo Test (ECB mode) - decryption +- +- Test 1, key size = 128 bits: passed. +- Test 2, key size = 192 bits: passed. +- Test 3, key size = 256 bits: passed. +- +-- +2.20.1 + diff --git a/SPECS/scrub.spec b/SPECS/scrub.spec index d396cec..e728140 100644 --- a/SPECS/scrub.spec +++ b/SPECS/scrub.spec @@ -1,12 +1,20 @@ +%bcond_without check + Name: scrub Version: 2.5.2 -Release: 12%{?dist} +Release: 14%{?dist} Summary: Disk scrubbing program License: GPLv2+ Group: System Environment/Base URL: http://code.google.com/p/diskscrub/ Source0: http://diskscrub.googlecode.com/files/%{name}-%{version}.tar.bz2 +BuildRequires: autoconf automake libtool +BuildRequires: libgcrypt-devel + +Patch0: scrub-2.5.2-extentonly.patch +Patch1: scrub-2.5.2-remove-aes-implementation.patch + %description Scrub writes patterns on files or disk devices to make retrieving the data more difficult. It operates in one of three @@ -19,10 +27,19 @@ the file system is full, then scrubbed as in 2). %prep %setup -q +%patch0 -p1 -b .extent-only +%patch1 -p1 -b .remove-aes + %build +./autogen.sh %configure make %{?_smp_mflags} +%if %{with check} +%check +make check +%endif + %install make DESTDIR=%{buildroot} install @@ -33,6 +50,13 @@ make DESTDIR=%{buildroot} install %{_mandir}/man1/scrub.1* %changelog +* Tue Jul 16 2019 Daniel Kopecek - 2.5.2-14 +Resolves: rhbz#1689897 - Missing '--extent-only' patch +Resolves: rhbz#1630298 - Removal of component scrub or its crypto from RHEL + +* Tue May 14 2019 Daniel Kopecek - 2.5.2-13 +- spec: added check phase (conditional, enabled by default) + * Fri Feb 09 2018 Fedora Release Engineering - 2.5.2-12 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild