From 0509696bfda3241b3573749ea57bfee583f67a21 Mon Sep 17 00:00:00 2001
From: HanzZ <hanzz.k@gmail.com>
Date: Sun, 9 Oct 2011 22:01:02 +0200
Subject: [PATCH] refresh coredump limit after setuid

---
 spectrum/src/main.cpp   | 47 +++++++++++++++++++++++------------------
 spectrum/src/sample.cfg |  4 ++--
 src/mysqlbackend.cpp    |  4 ++--
 3 files changed, 31 insertions(+), 24 deletions(-)

diff --git a/spectrum/src/main.cpp b/spectrum/src/main.cpp
index bc1b4213..409a4f18 100644
--- a/spectrum/src/main.cpp
+++ b/spectrum/src/main.cpp
@@ -15,6 +15,7 @@
 #include "sys/signal.h"
 #include <pwd.h>
 #include <grp.h>
+#include <sys/resource.h>
 #else
 #include <Windows.h>
 #include <tchar.h>
@@ -230,30 +231,36 @@ int main(int argc, char **argv)
 	}
 
 #ifndef WIN32
-	if (!CONFIG_STRING(&config, "service.group").empty()) {
-		struct group *gr;
-		if ((gr = getgrnam(CONFIG_STRING(&config, "service.group").c_str())) == NULL) {
-			LOG4CXX_ERROR(logger, "Invalid service.group name " << CONFIG_STRING(&config, "service.group"));
-			return 1;
+	if (!CONFIG_STRING(&config, "service.group").empty() ||!CONFIG_STRING(&config, "service.user").empty() ) {
+		struct rlimit limit;
+		getrlimit(RLIMIT_CORE, &limit);
+
+		if (!CONFIG_STRING(&config, "service.group").empty()) {
+			struct group *gr;
+			if ((gr = getgrnam(CONFIG_STRING(&config, "service.group").c_str())) == NULL) {
+				LOG4CXX_ERROR(logger, "Invalid service.group name " << CONFIG_STRING(&config, "service.group"));
+				return 1;
+			}
+
+			if (((setgid(gr->gr_gid)) != 0) || (initgroups(CONFIG_STRING(&config, "service.user").c_str(), gr->gr_gid) != 0)) {
+				LOG4CXX_ERROR(logger, "Failed to set service.group name " << CONFIG_STRING(&config, "service.group") << " - " << gr->gr_gid << ":" << strerror(errno));
+				return 1;
+			}
 		}
 
-		if (((setgid(gr->gr_gid)) != 0) || (initgroups(CONFIG_STRING(&config, "service.user").c_str(), gr->gr_gid) != 0)) {
-			LOG4CXX_ERROR(logger, "Failed to set service.group name " << CONFIG_STRING(&config, "service.group") << " - " << gr->gr_gid << ":" << strerror(errno));
-			return 1;
-		}
-	}
+		if (!CONFIG_STRING(&config, "service.user").empty()) {
+			struct passwd *pw;
+			if ((pw = getpwnam(CONFIG_STRING(&config, "service.user").c_str())) == NULL) {
+				LOG4CXX_ERROR(logger, "Invalid service.user name " << CONFIG_STRING(&config, "service.user"));
+				return 1;
+			}
 
-	if (!CONFIG_STRING(&config, "service.user").empty()) {
-		struct passwd *pw;
-		if ((pw = getpwnam(CONFIG_STRING(&config, "service.user").c_str())) == NULL) {
-			LOG4CXX_ERROR(logger, "Invalid service.user name " << CONFIG_STRING(&config, "service.user"));
-			return 1;
-		}
-
-		if ((setuid(pw->pw_uid)) != 0) {
-			LOG4CXX_ERROR(logger, "Failed to set service.user name " << CONFIG_STRING(&config, "service.user") << " - " << pw->pw_uid << ":" << strerror(errno));
-			return 1;
+			if ((setuid(pw->pw_uid)) != 0) {
+				LOG4CXX_ERROR(logger, "Failed to set service.user name " << CONFIG_STRING(&config, "service.user") << " - " << pw->pw_uid << ":" << strerror(errno));
+				return 1;
+			}
 		}
+		setrlimit(RLIMIT_CORE, &limit);
 	}
 #endif
 
diff --git a/spectrum/src/sample.cfg b/spectrum/src/sample.cfg
index a23a46a7..6efc9561 100644
--- a/spectrum/src/sample.cfg
+++ b/spectrum/src/sample.cfg
@@ -11,8 +11,8 @@ admin_password=test
 #cert=server.pfx #patch to PKCS#12 certificate
 #cert_password=test #password to that certificate if any
 users_per_backend=10
-#backend=/home/hanzz/code/libtransport/backends/libpurple/spectrum2_libpurple_backend
-backend=/usr/bin/mono /home/hanzz/code/networkplugin-csharp/msnp-sharp-backend/bin/Debug/msnp-sharp-backend.exe
+backend=/home/hanzz/code/libtransport/backends/libpurple/spectrum2_libpurple_backend
+#backend=/usr/bin/mono /home/hanzz/code/networkplugin-csharp/msnp-sharp-backend/bin/Debug/msnp-sharp-backend.exe
 #backend=/home/hanzz/code/libtransport/backends/frotz/spectrum2_frotz_backend
 #backend=../../backends/libircclient-qt/spectrum2_libircclient-qt_backend
 #protocol=prpl-msn
diff --git a/src/mysqlbackend.cpp b/src/mysqlbackend.cpp
index 3945cac9..8a6dcc73 100644
--- a/src/mysqlbackend.cpp
+++ b/src/mysqlbackend.cpp
@@ -206,8 +206,8 @@ template <typename T>
 MySQLBackend::Statement& MySQLBackend::Statement::operator << (const T& t) {
 	if (m_offset >= m_params.size())
 		return *this;
-	int *data = (int *) m_params[m_offset].buffer;
-	*data = (int) t;
+	T *data = (T *) m_params[m_offset].buffer;
+	*data = (T) t;
 
 // 	LOG4CXX_INFO(logger, "adding " << m_offset << ":" << (int) t);
 	m_offset++;