sasquatch: 4.4 -> 4.5.1-1 (#219169)

{ sasquatch }:

sasquatch.override { bigEndian = true; }

Patch based on commits by Dave Vasilevsky <dave@vasilevsky.ca> and

Blake Riley <blake.riley@gmail.com>, squashed into a single patch,

with BSD-specific changes omitted.

See also https://github.com/plougher/squashfs-tools/pull/69.

diff --git a/squashfs-tools/action.c b/squashfs-tools/action.c

index ea2f604..9c979f8 100644

--- a/squashfs-tools/action.c

+++ b/squashfs-tools/action.c

@@ -39,6 +39,10 @@

 #include <errno.h>

 #include <ctype.h>

+#ifndef FNM_EXTMATCH /* glibc extension */

+	#define FNM_EXTMATCH 0

+#endif

+

 #include "squashfs_fs.h"

 #include "mksquashfs.h"

 #include "action.h"

@@ -2415,9 +2419,12 @@ static char *get_start(char *s, int n)

 static int subpathname_fn(struct atom *atom, struct action_data *action_data)

 {

-	return fnmatch(atom->argv[0], get_start(strdupa(action_data->subpath),

+	char *path = strdup(action_data->subpath);

+	int is_match = fnmatch(atom->argv[0], get_start(path,

 		count_components(atom->argv[0])),

 		FNM_PATHNAME|FNM_EXTMATCH) == 0;

+	free(path);

+	return is_match;

 }

 /*

diff --git a/squashfs-tools/info.c b/squashfs-tools/info.c

index 216b979..eea2ec9 100644

--- a/squashfs-tools/info.c

+++ b/squashfs-tools/info.c

@@ -144,31 +144,22 @@ void dump_state()

 void *info_thrd(void *arg)

 {

 	sigset_t sigmask;

-	struct timespec timespec = { .tv_sec = 1, .tv_nsec = 0 };

-	int sig, waiting = 0;

+	int sig, err, waiting = 0;

 	sigemptyset(&sigmask);

 	sigaddset(&sigmask, SIGQUIT);

 	sigaddset(&sigmask, SIGHUP);

+	sigaddset(&sigmask, SIGALRM);

 	while(1) {

-		if(waiting)

-			sig = sigtimedwait(&sigmask, NULL, &timespec);

-		else

-			sig = sigwaitinfo(&sigmask, NULL);

+		err = sigwait(&sigmask, &sig);

-		if(sig == -1) {

+		if(err == -1) {

 			switch(errno) {

-			case EAGAIN:

-				/* interval timed out */

-				waiting = 0;

-				/* FALLTHROUGH */

 			case EINTR:

-				/* if waiting, the wait will be longer, but

-				   that's OK */

 				continue;

 			default:

-				BAD_ERROR("sigtimedwait/sigwaitinfo failed "

+				BAD_ERROR("sigwait failed "

 					"because %s\n", strerror(errno));

 			}

 		}

@@ -179,8 +170,12 @@ void *info_thrd(void *arg)

 			/* set one second interval period, if ^\ received

 			   within then, dump queue and cache status */

 			waiting = 1;

-		} else

+			alarm(1);

+		} else if (sig == SIGQUIT) {

 			dump_state();

+		} else if (sig == SIGALRM) {

+			waiting = 0;

+		}

 	}

 }

diff --git a/squashfs-tools/mksquashfs.c b/squashfs-tools/mksquashfs.c

index 843f9f4..ed2c3a6 100644

--- a/squashfs-tools/mksquashfs.c

+++ b/squashfs-tools/mksquashfs.c

@@ -35,7 +35,12 @@

 #include <stddef.h>

 #include <sys/types.h>

 #include <sys/stat.h>

+#ifndef linux

+#include <sys/sysctl.h>

+#else

+#include <sys/sysinfo.h>

 #include <sys/sysmacros.h>

+#endif

 #include <fcntl.h>

 #include <errno.h>

 #include <dirent.h>

@@ -50,7 +55,10 @@

 #include <sys/wait.h>

 #include <limits.h>

 #include <ctype.h>

-#include <sys/sysinfo.h>

+

+#ifndef FNM_EXTMATCH /* glibc extension */

+	#define FNM_EXTMATCH 0

+#endif

 #ifndef linux

 #include <sys/sysctl.h>

@@ -5064,6 +5072,7 @@ static void initialise_threads(int readq, int fragq, int bwriteq, int fwriteq,

 	sigemptyset(&sigmask);

 	sigaddset(&sigmask, SIGQUIT);

 	sigaddset(&sigmask, SIGHUP);

+	sigaddset(&sigmask, SIGALRM);

 	if(pthread_sigmask(SIG_BLOCK, &sigmask, NULL) != 0)

 		BAD_ERROR("Failed to set signal mask in intialise_threads\n");

@@ -5802,6 +5811,35 @@ static int get_physical_memory()

 	long long page_size = sysconf(_SC_PAGESIZE);

 	int phys_mem;

+#ifndef linux

+	#ifdef HW_MEMSIZE

+		#define SYSCTL_PHYSMEM HW_MEMSIZE

+	#elif defined(HW_PHYSMEM64)

+		#define SYSCTL_PHYSMEM HW_PHYSMEM64

+	#else

+		#define SYSCTL_PHYSMEM HW_PHYSMEM

+	#endif

+

+	int mib[2];

+	uint64_t sysctl_physmem = 0;

+	size_t sysctl_len = sizeof(sysctl_physmem);

+

+	mib[0] = CTL_HW;

+	mib[1] = SYSCTL_PHYSMEM;

+

+	if(sysctl(mib, 2, &sysctl_physmem, &sysctl_len, NULL, 0) == 0) {

+		/* some systems use 32-bit values, work with what we're given */

+		if (sysctl_len == 4)

+			sysctl_physmem = *(uint32_t*)&sysctl_physmem;

+		phys_mem = sysctl_physmem >> 20;

+	} else {

+		ERROR_START("Failed to get amount of available "

+			"memory.");

+		ERROR_EXIT("  Defaulting to least viable amount\n");

+		phys_mem = SQUASHFS_LOWMEM;

+	}

+  #undef SYSCTL_PHYSMEM

+#else

 	if(num_pages == -1 || page_size == -1) {

 		struct sysinfo sys;

 		int res = sysinfo(&sys);

@@ -5814,6 +5852,7 @@ static int get_physical_memory()

 	}

 	phys_mem = num_pages * page_size >> 20;

+#endif

 	if(phys_mem < SQUASHFS_LOWMEM)

 		BAD_ERROR("Mksquashfs requires more physical memory than is "

diff --git a/squashfs-tools/read_xattrs.c b/squashfs-tools/read_xattrs.c

index 2067f80..ca8b7f4 100644

--- a/squashfs-tools/read_xattrs.c

+++ b/squashfs-tools/read_xattrs.c

@@ -31,13 +31,13 @@

 #include <stdio.h>

 #include <string.h>

+#include <stdlib.h>

+

 #include "squashfs_fs.h"

 #include "squashfs_swap.h"

 #include "xattr.h"

 #include "error.h"

-#include <stdlib.h>

-

 extern int read_fs_bytes(int, long long, long long, void *);

 extern int read_block(int, long long, long long *, int, void *);

diff --git a/squashfs-tools/unsquashfs.c b/squashfs-tools/unsquashfs.c

index d434b42..1208e45 100644

--- a/squashfs-tools/unsquashfs.c

+++ b/squashfs-tools/unsquashfs.c

@@ -32,8 +32,12 @@

 #include "stdarg.h"

 #include "fnmatch_compat.h"

+#ifndef linux

+#include <sys/sysctl.h>

+#else

 #include <sys/sysinfo.h>

 #include <sys/sysmacros.h>

+#endif

 #include <sys/types.h>

 #include <sys/time.h>

 #include <sys/resource.h>

@@ -1182,7 +1186,7 @@ int create_inode(char *pathname, struct inode *i)

 			break;

 		case SQUASHFS_SYMLINK_TYPE:

 		case SQUASHFS_LSYMLINK_TYPE: {

-			struct timespec times[2] = {

+			struct timeval times[2] = {

 				{ i->time, 0 },

 				{ i->time, 0 }

 			};

@@ -1201,8 +1205,7 @@ int create_inode(char *pathname, struct inode *i)

 				goto failed;

 			}

-			res = utimensat(AT_FDCWD, pathname, times,

-					AT_SYMLINK_NOFOLLOW);

+			res = lutimes(pathname, times);

 			if(res == -1) {

 				EXIT_UNSQUASH_STRICT("create_inode: failed to"

 					" set time on %s, because %s\n",

@@ -2687,6 +2690,7 @@ void initialise_threads(int fragment_buffer_size, int data_buffer_size, int cat_

 		sigemptyset(&sigmask);

 		sigaddset(&sigmask, SIGQUIT);

 		sigaddset(&sigmask, SIGHUP);

+		sigaddset(&sigmask, SIGALRM);

 		if(pthread_sigmask(SIG_BLOCK, &sigmask, NULL) != 0)

 			EXIT_UNSQUASH("Failed to set signal mask in initialise_threads\n");

diff --git a/squashfs-tools/unsquashfs.h b/squashfs-tools/unsquashfs.h

index 1099678..5b6a038 100644

--- a/squashfs-tools/unsquashfs.h

+++ b/squashfs-tools/unsquashfs.h

@@ -46,6 +46,10 @@

 #include <sys/ioctl.h>

 #include <sys/time.h>

+#ifndef FNM_EXTMATCH /* glibc extension */

+	#define FNM_EXTMATCH 0

+#endif

+

 #include "endian_compat.h"

 #include "squashfs_fs.h"

 #include "unsquashfs_error.h"

diff --git a/squashfs-tools/unsquashfs_info.c b/squashfs-tools/unsquashfs_info.c

index e906eaf..f1e68c2 100644

--- a/squashfs-tools/unsquashfs_info.c

+++ b/squashfs-tools/unsquashfs_info.c

@@ -96,31 +96,22 @@ void dump_state()

 void *info_thrd(void *arg)

 {

 	sigset_t sigmask;

-	struct timespec timespec = { .tv_sec = 1, .tv_nsec = 0 };

-	int sig, waiting = 0;

+	int sig, err, waiting = 0;

 	sigemptyset(&sigmask);

 	sigaddset(&sigmask, SIGQUIT);

 	sigaddset(&sigmask, SIGHUP);

+	sigaddset(&sigmask, SIGALRM);

 	while(1) {

-		if(waiting)

-			sig = sigtimedwait(&sigmask, NULL, &timespec);

-		else

-			sig = sigwaitinfo(&sigmask, NULL);

+		err = sigwait(&sigmask, &sig);

-		if(sig == -1) {

+		if(err == -1) {

 			switch(errno) {

-			case EAGAIN:

-				/* interval timed out */

-				waiting = 0;

-				/* FALLTHROUGH */

 			case EINTR:

-				/* if waiting, the wait will be longer, but

-				   that's OK */

 				continue;

 			default:

-				BAD_ERROR("sigtimedwait/sigwaitinfo failed "

+				BAD_ERROR("sigwait failed "

 					"because %s\n", strerror(errno));

 			}

 		}

@@ -132,8 +123,12 @@ void *info_thrd(void *arg)

 			/* set one second interval period, if ^\ received

 			   within then, dump queue and cache status */

 			waiting = 1;

-		} else

+			alarm(1);

+		} else if (sig == SIGQUIT) {

 			dump_state();

+		} else if (sig == SIGALRM) {

+			waiting = 0;

+		}

 	}

 }

diff --git a/squashfs-tools/unsquashfs_xattr.c b/squashfs-tools/unsquashfs_xattr.c

index 61910e1..73e0090 100644

--- a/squashfs-tools/unsquashfs_xattr.c

+++ b/squashfs-tools/unsquashfs_xattr.c

@@ -27,6 +27,11 @@

 #include <sys/xattr.h>

+#ifdef XATTR_NOFOLLOW /* Apple's xattrs */

+	#define lsetxattr(path_, name_, val_, sz_, flags_) \

+		setxattr(path_, name_, val_, sz_, 0, flags_ | XATTR_NOFOLLOW)

+#endif

+

 #define NOSPACE_MAX 10

 extern int root_process;

diff --git a/squashfs-tools/xattr.c b/squashfs-tools/xattr.c

index b1c0089..6d7ed98 100644

--- a/squashfs-tools/xattr.c

+++ b/squashfs-tools/xattr.c

@@ -22,6 +22,14 @@

  * xattr.c

  */

+#ifndef linux

+#define __BYTE_ORDER BYTE_ORDER

+#define __BIG_ENDIAN BIG_ENDIAN

+#define __LITTLE_ENDIAN LITTLE_ENDIAN

+#else

+#include <endian.h>

+#endif

+

 #define TRUE 1

 #define FALSE 0

@@ -36,6 +44,13 @@

 #include <stdlib.h>

 #include <sys/xattr.h>

+#ifdef XATTR_NOFOLLOW /* Apple's xattrs */

+	#define llistxattr(path_, buf_, sz_) \

+		listxattr(path_, buf_, sz_, XATTR_NOFOLLOW)

+	#define lgetxattr(path_, name_, val_, sz_) \

+		getxattr(path_, name_, val_, sz_, 0, XATTR_NOFOLLOW)

+#endif

+

 #include "squashfs_fs.h"

 #include "squashfs_swap.h"

 #include "mksquashfs.h"

-- 

2.35.1

{

  lib,

  stdenv,

  fetchFromGitHub,

  lz4,

  lzo,

  which,

  xz,

  zlib,

  zstd,

  bigEndian ? false,

}:

let

  drv = stdenv.mkDerivation (finalAttrs: {

    pname = "sasquatch";

    version = "4.5.1-4";

    src = fetchFromGitHub {

      owner = "onekey-sec";

      repo = "sasquatch";

      rev = "sasquatch-v${finalAttrs.version}";

      hash = "sha256-0itva+j5WMKvueiUaO253UQ1S6W29xgtFvV4i3yvMtU=";

    };

    patches = lib.optional stdenv.isDarwin ./darwin.patch;

    strictDeps = true;

    nativeBuildInputs = [ which ];

    buildInputs = [

      zlib

      xz

      zstd

      lz4

      lzo

    ];

    preBuild = ''

      cd squashfs-tools

    '';

    installFlags = [

      "INSTALL_DIR=${placeholder "out"}/bin"

      "INSTALL_MANPAGES_DIR=${placeholder "out"}/share/man/man1"

    ];

    makeFlags = [

      "GZIP_SUPPORT=1"

      "LZ4_SUPPORT=1"

      "LZMA_SUPPORT=1"

      "LZO_SUPPORT=1"

      "XZ_SUPPORT=1"

      "ZSTD_SUPPORT=1"

    ];

    env.NIX_CFLAGS_COMPILE = lib.optionalString bigEndian "-DFIX_BE";

    postInstall = lib.optionalString bigEndian ''

      mv $out/bin/sasquatch{,-v4be}

    '';

    meta = {

      homepage = "https://github.com/onekey-sec/sasquatch";

      description = "Set of patches to the standard unsquashfs utility (part of squashfs-tools) that attempts to add support for as many hacked-up vendor-specific SquashFS implementations as possible";

      license = lib.licenses.gpl2Plus;

      maintainers = with lib.maintainers; [ vlaci ];

      platforms = lib.platforms.unix;

      mainProgram = if bigEndian then "sasquatch-v4be" else "sasquatch";

    };

  });

in

drv

{ lib

, stdenv

, fetchFromGitHub

, fetchurl

, xz

, lzo

, zlib

, zstd

, lz4

, lz4Support ? false

}:

let

  patch = fetchFromGitHub

    {

      # NOTE: This uses my personal fork for now, until

      # https://github.com/devttys0/sasquatch/pull/40 is merged.

      # I, cole-h, will keep this fork available until that happens.

      owner = "cole-h";

      repo = "sasquatch";

      rev = "6edc54705454c6410469a9cb5bc58e412779731a";

      sha256 = "x+PuPYGD4Pd0fcJtlLWByGy/nggsmZkxwSXxJfPvUgo=";

    } + "/patches/patch0.txt";

in

stdenv.mkDerivation rec {

  pname = "sasquatch";

  version = "4.4";

  src = fetchurl {

    url = "mirror://sourceforge/squashfs/squashfs${version}.tar.gz";

    sha256 = "qYGz8/IFS1ouZYhRo8BqJGCtBKmopkXgr+Bjpj/bsH4=";

  };

  buildInputs = [

    xz

    lzo

    zlib

    zstd

  ]

  ++ lib.optionals lz4Support [ lz4 ];

  patches = [ patch ];

  patchFlags = [ "-p0" ];

  postPatch = ''

    # Drop blanket -Werror to avoid build failure on fresh toolchains

    # like gcc-11.

    substituteInPlace squashfs-tools/Makefile --replace ' -Werror' ' '

    cd squashfs-tools

  '';

  # Workaround build failure on -fno-common toolchains like upstream

  # gcc-10. Otherwise build fails as:

  #   ld: unsquashfs_xattr.o:/build/squashfs4.4/squashfs-tools/error.h:34: multiple definition of

  #     `verbose'; unsquashfs.o:/build/squashfs4.4/squashfs-tools/error.h:34: first defined here

  env.NIX_CFLAGS_COMPILE = "-fcommon";

  installFlags = [ "INSTALL_DIR=\${out}/bin" ];

  makeFlags = [

    "XZ_SUPPORT=1"

    "CC=${stdenv.cc.targetPrefix}cc"

    "CXX=${stdenv.cc.targetPrefix}c++"

    "AR=${stdenv.cc.targetPrefix}ar"

  ]

    ++ lib.optional lz4Support "LZ4_SUPPORT=1";

  meta = with lib; {

    homepage = "https://github.com/devttys0/sasquatch";

    description = "Set of patches to the standard unsquashfs utility (part of squashfs-tools) that attempts to add support for as many hacked-up vendor-specific SquashFS implementations as possible";

    license = licenses.gpl2Plus;

    maintainers = [ maintainers.pamplemousse ];

    platforms = platforms.linux;

    mainProgram = "sasquatch";

  };

}

  sanctity = callPackage ../tools/misc/sanctity { };

  sasquatch = callPackage ../tools/filesystems/sasquatch { };

  sasview = libsForQt5.callPackage ../applications/science/misc/sasview { };

  sbs = callPackage ../tools/X11/sbs { };