Updated version 5.6.0 from 'upstream/5.6.0'

with Debian dir e138a03837a338ec35cc53a33de19381770a5f0c

1 files changed, 152 insertions, 0 deletions

diff --git a/src/sw-collector/sw_collector_dpkg.c b/src/sw-collector/sw_collector_dpkg.c
new file mode 100644
index 000000000..b5a858297
--- /dev/null
+++ b/src/sw-collector/sw_collector_dpkg.c
@@ -0,0 +1,152 @@
+/*
+ * Copyright (C) 2017 Andreas Steffen
+ * HSR Hochschule fuer Technik Rapperswil
+ *
+ * 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.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * 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.
+ */
+
+#define _GNU_SOURCE
+#include <stdio.h>
+
+#include "sw_collector_dpkg.h"
+
+typedef struct private_sw_collector_dpkg_t private_sw_collector_dpkg_t;
+
+/**
+ * Private data of an sw_collector_dpkg_t object.
+ */
+struct private_sw_collector_dpkg_t {
+
+	/**
+	 * Public members of sw_collector_dpkg_state_t
+	 */
+	sw_collector_dpkg_t public;
+
+};
+
+typedef struct {
+	/** public enumerator interface */
+	enumerator_t public;
+	/** dpkg output stream */
+	FILE *file;
+	/** current dpkg output line */
+	char line[BUF_LEN];
+} dpkg_enumerator_t;
+
+METHOD(enumerator_t, enumerate, bool,
+	dpkg_enumerator_t *this, va_list args)
+{
+	char **package, **arch, **version, *state, *pos;
+
+	VA_ARGS_VGET(args, package, arch, version);
+
+	while (TRUE)
+	{
+		if (!fgets(this->line, BUF_LEN, this->file))
+		{
+			return FALSE;
+		}
+
+		*package = this->line;
+		pos = strchr(this->line, '\t');
+		if (!pos)
+		{
+			return FALSE;
+		}
+		*pos = '\0';
+
+		*arch = ++pos;
+		pos = strchr(pos, '\t');
+		if (!pos)
+		{
+			return FALSE;
+		}
+		*pos = '\0';
+
+		*version = ++pos;
+		pos = strchr(pos, '\t');
+		if (!pos)
+		{
+			return FALSE;
+		}
+		*pos = '\0';
+
+		state = ++pos;
+		pos = strchr(pos, '\n');
+		if (!pos)
+		{
+			return FALSE;
+		}
+		*pos = '\0';
+
+		if (streq(state, "install ok installed"))
+		{
+			return TRUE;
+		}
+	}
+}
+
+METHOD(enumerator_t, enumerator_destroy, void,
+	dpkg_enumerator_t *this)
+{
+	pclose(this->file);
+	free(this);	
+}
+
+METHOD(sw_collector_dpkg_t, create_sw_enumerator, enumerator_t*,
+	private_sw_collector_dpkg_t *this)
+{
+	dpkg_enumerator_t *enumerator;
+	char cmd[] = "dpkg-query -W -f="
+				 "\'${Package}\t${Architecture}\t${Version}\t${Status}\n\'";
+	FILE *file;
+
+	file = popen(cmd, "r");
+	if (!file)
+	{
+		DBG1(DBG_IMC, "failed to run dpgk-query command");
+		return NULL;
+	}
+
+	INIT(enumerator,
+		.public = {
+			.enumerate = enumerator_enumerate_default,
+			.venumerate = _enumerate,
+			.destroy = _enumerator_destroy,
+		},
+		.file = file,
+	);
+
+	return &enumerator->public;
+}
+
+METHOD(sw_collector_dpkg_t, destroy, void,
+	private_sw_collector_dpkg_t *this)
+{
+	free(this);
+}
+
+/**
+ * Described in header.
+ */
+sw_collector_dpkg_t *sw_collector_dpkg_create(void)
+{
+	private_sw_collector_dpkg_t *this;
+
+	INIT(this,
+		.public = {
+			.create_sw_enumerator = _create_sw_enumerator,
+			.destroy = _destroy,
+		},
+	);
+
+	return &this->public;
+}