fr-command-rpm: Use rpm2cpio binary shipped with rpm package

closes #350

5 files changed, 9 insertions, 157 deletions

diff --git a/src/Makefile.am b/src/Makefile.am
index 576c803..43cb092 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1,6 +1,6 @@
 NULL =
 
-SUBDIRS = commands sh ui
+SUBDIRS = sh ui
 
 bin_PROGRAMS = engrampa
 libexec_PROGRAMS = engrampa-server
@@ -8,11 +8,9 @@ noinst_PROGRAMS = test-server
 
 if RUN_IN_PLACE
 privdatadir = $(top_srcdir)/data/
-privexecdir = $(abs_top_builddir)/src/commands/
 shdir = $(top_srcdir)/src/sh/
 else
 privdatadir = $(datadir)/engrampa/
-privexecdir = $(libexecdir)/engrampa/
 shdir = $(libexecdir)/engrampa/
 endif
 
@@ -29,7 +27,6 @@ AM_CPPFLAGS =						\
         -DPKG_DATA_DIR=\"$(pkgdatadir)\"                \
 	-DPIXMAPSDIR=\""$(datadir)/pixmaps"\"		\
 	-DGLADEDIR=\""$(gladedir)"\" 			\
-	-DPRIVEXECDIR=\"$(privexecdir)\"		\
 	-DLOCALEDIR=\""$(datadir)/locale"\" 	\
 	-DSHDIR=\"$(shdir)\"				\
 	$(FR_CFLAGS)					\
diff --git a/src/commands/Makefile.am b/src/commands/Makefile.am
deleted file mode 100644
index d423737..0000000
--- a/src/commands/Makefile.am
+++ /dev/null
@@ -1,12 +0,0 @@
-NULL =
-
-privexecdir = $(libexecdir)/$(PACKAGE)
-privexec_PROGRAMS = rpm2cpio
-
-AM_CPPFLAGS = 				\
-	$(FR_CFLAGS)			\
-	$(WARN_CFLAGS)			\
-	$(NULL)
-
-rpm2cpio_SOURCES = rpm2cpio.c
-rpm2cpio_LDADD = $(FR_LIBS)
diff --git a/src/commands/rpm2cpio.c b/src/commands/rpm2cpio.c
deleted file mode 100644
index bdadb3d..0000000
--- a/src/commands/rpm2cpio.c
+++ /dev/null
@@ -1,134 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
-
-/*
- *  File-Roller
- *
- *  Copyright (C) 2001 The Free Software Foundation, Inc.
- *
- *  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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#include <config.h>
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#include <glib.h>
-
-
-static const char *
-get_mime_type_from_magic_numbers (char *buffer)
-{
-	static struct {
-		const char *mime_type;
-		const char *first_bytes;
-		int         offset;
-		int         len;
-	} sniffer_data [] = {
-		{ "application/x-bzip2", "BZh", 0, 3 },
-		{ "application/x-gzip", "\037\213", 0, 2 },
-		{ "application/x-xz", "\3757zXZ\000", 0, 6 },
-		{ NULL, NULL, 0 }
-	};
-	int  i;
-
-	for (i = 0; sniffer_data[i].mime_type != NULL; i++)
-		if (memcmp (sniffer_data[i].first_bytes,
-			    buffer + sniffer_data[i].offset,
-			    sniffer_data[i].len) == 0)
-		{
-			return sniffer_data[i].mime_type;
-		}
-
-	return NULL;
-}
-
-
-int
-main (int argc, char **argv)
-{
-	const char *filename;
-	GString    *cpio_args;
-	int         i;
-	FILE       *stream;
-	guchar      bytes[8];
-	int         il, dl, sigsize, offset;
-	const char *mime_type;
-	const char *archive_command;
-	char       *command;
-
-	if (argc < 3)
-		return 0;
-
-	filename = argv[1];
-	cpio_args = g_string_new (argv[2]);
-	for (i = 3; i < argc; i++) {
-		g_string_append (cpio_args, " ");
-		g_string_append (cpio_args, argv[i]);
-	}
-
-	stream = fopen (filename, "r");
-	if (stream == NULL)
-		return 1;
-
-	if (fseek (stream, 104 , SEEK_CUR) != 0) {
-		fclose (stream);
-		return 1;
-	}
-	if (fread (bytes, 1, 8, stream) == 0) {
-		fclose (stream);
-		return 1;
-	}
-	il = 256 * (256 * (256 * bytes[0] + bytes[1]) + bytes[2]) + bytes[3];
-	dl = 256 * (256 * (256 * bytes[4] + bytes[5]) + bytes[6]) + bytes[7];
-	sigsize = 8 + 16 * il + dl;
-	offset = 104 + sigsize + (8 - (sigsize % 8)) % 8 + 8;
-	if (fseek (stream, offset, SEEK_SET) != 0) {
-		fclose (stream);
-		return 1;
-	}
-	if (fread (bytes, 1, 8, stream) == 0) {
-		fclose (stream);
-		return 1;
-	}
-	il = 256 * (256 * (256 * bytes[0] + bytes[1]) + bytes[2]) + bytes[3];
-	dl = 256 * (256 * (256 * bytes[4] + bytes[5]) + bytes[6]) + bytes[7];
-	sigsize = 8 + 16 * il + dl;
-	offset = offset + sigsize;
-
-	/* get the payload type */
-
-	if (fseek (stream, offset, SEEK_SET) != 0) {
-		fclose (stream);
-		return 1;
-	}
-	if (fread (bytes, 1, 8, stream) == 0) {
-		fclose (stream);
-		return 1;
-	}
-	mime_type = get_mime_type_from_magic_numbers ((char *)bytes);
-	if (mime_type == NULL)
-		archive_command = "lzma -dc";
-	else if (strcmp (mime_type, "application/x-xz") == 0)
-		archive_command = "xz -dc";
-	else if (strcmp (mime_type, "application/x-gzip") == 0)
-		archive_command = "gzip -dc";
-	else
-		archive_command = "bzip2 -dc";
-	fclose (stream);
-
-	command = g_strdup_printf ("sh -c \"dd if=%s ibs=%u skip=1 2>/dev/null | %s | " CPIO_PATH " %s\"", g_shell_quote (filename), offset, archive_command, cpio_args->str);
-
-	return system (command);
-}
diff --git a/src/fr-command-rpm.c b/src/fr-command-rpm.c
index 751f9a9..227fd58 100644
--- a/src/fr-command-rpm.c
+++ b/src/fr-command-rpm.c
@@ -184,7 +184,7 @@ fr_command_rpm_list (FrCommand *comm)
 
 	fr_process_begin_command (comm->process, "sh");
 	fr_process_add_arg (comm->process, "-c");
-	fr_process_add_arg_concat (comm->process, PRIVEXECDIR "rpm2cpio ", comm->e_filename, " -itv", NULL);
+	fr_process_add_arg_concat (comm->process, "rpm2cpio < ", comm->e_filename, " | cpio -itv", NULL);
 	fr_process_end_command (comm->process);
 	fr_process_start (comm->process);
 }
@@ -207,14 +207,14 @@ fr_command_rpm_extract (FrCommand  *comm,
                 fr_process_set_working_dir (comm->process, dest_dir);
 	fr_process_add_arg (comm->process, "-c");
 
-	cmd = g_string_new (PRIVEXECDIR "rpm2cpio ");
+	cmd = g_string_new ("rpm2cpio < ");
 	g_string_append (cmd, comm->e_filename);
-	g_string_append (cmd, " -idu ");
+	g_string_append (cmd, " | cpio -idu");
 	for (scan = file_list; scan; scan = scan->next) {
+		g_string_append (cmd, " ");
 		char *filename = g_shell_quote (scan->data);
 		g_string_append (cmd, filename);
 		g_free (filename);
-		g_string_append (cmd, " ");
 	}
 	fr_process_add_arg (comm->process, cmd->str);
 	g_string_free (cmd, TRUE);
@@ -241,7 +241,8 @@ fr_command_rpm_get_capabilities (FrCommand  *comm,
 	FrCommandCap capabilities;
 
 	capabilities = FR_COMMAND_CAN_ARCHIVE_MANY_FILES;
-	if (is_program_available (CPIO_PATH, check_command))
+	if (is_program_available ("rpm2cpio", check_command) &&
+            is_program_available (CPIO_PATH, check_command))
 		capabilities |= FR_COMMAND_CAN_READ;
 
 	return capabilities;
diff --git a/src/fr-process.c b/src/fr-process.c
index 73395ad..cfd4033 100644
--- a/src/fr-process.c
+++ b/src/fr-process.c
@@ -641,7 +641,7 @@ child_setup (gpointer user_data)
 	FrProcess *process = user_data;
 
 	if (process->priv->use_standard_locale)
-		putenv ("LC_MESSAGES=C");
+		putenv ("LC_ALL=C");
 
 	/* detach from the tty */
 
@@ -745,7 +745,7 @@ start_current_command (FrProcess *process)
 		int j;
 
 		if (process->priv->use_standard_locale)
-			g_print ("\tLC_MESSAGES=C\n");
+			g_print ("\tLC_ALL=C\n");
 
 		if (info->dir != NULL)
 			g_print ("\tcd %s\n", info->dir);