From 35d2e11a0458a79c89816a2f0be6fb957f91873e Mon Sep 17 00:00:00 2001 From: Balbir Singh Date: Fri, 26 Sep 2008 11:56:34 +0000 Subject: Merge the cgruleseng daemon from Steve Olivieri Signed-off-by: Steve Olivieri Signed-off-by: Balbir Singh git-svn-id: https://libcg.svn.sourceforge.net/svnroot/libcg/trunk@190 4f4bb910-9a46-0410-90c8-c897d4f1cd53 --- tests/Makefile | 7 +++++- tests/setuid.c | 75 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 81 insertions(+), 1 deletion(-) create mode 100644 tests/setuid.c (limited to 'tests') diff --git a/tests/Makefile b/tests/Makefile index e668032..7a38b7a 100644 --- a/tests/Makefile +++ b/tests/Makefile @@ -2,9 +2,11 @@ LDFLAGS = -L .. LIBS = -lcgroup -lpthread INC = -I .. CXXFLAGS = -g -O2 -Wall -DDEBUG $(INC) +CFLAGS = -g -O2 -Wall -DDEBUG TARGET= libcgrouptest01 \ - libcg_ba + libcg_ba \ + setuid all: $(TARGET) @@ -14,5 +16,8 @@ libcgrouptest01: libcgrouptest01.c libcg_ba: libcg_ba.cpp $(CXX) $(CXXFLAGS) -o $@ $< $(LDFLAGS) $(LIBS) +setuid: setuid.c + $(CC) $(CFLAGS) -o $@ $< $(LDFLAGS) $(LIBS) + clean: \rm -f $(TARGET) diff --git a/tests/setuid.c b/tests/setuid.c new file mode 100644 index 0000000..9d77850 --- /dev/null +++ b/tests/setuid.c @@ -0,0 +1,75 @@ +/* + * Copyright Red Hat Inc. 2008 + * + * Author: Steve Olivieri + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of version 2.1 of the GNU Lesser General Public License + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it would be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + * + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +/* + * This is just a simple program for changing a UID or a GID. Comment out + * whichever block you don't want to use. + */ +int main(int argc, char *argv[]) +{ + /* User data */ + struct passwd *pwd; + + /* UID of user */ + uid_t uid; + + /* Group data */ + struct group *grp; + + /* GID of group */ + gid_t gid; + + /* Return codes */ + int ret; + + pwd = getpwnam(argv[1]); + uid = pwd->pw_uid; + fprintf(stdout, "Setting UID to %s (%d).\n", pwd->pw_name, uid); + if ((ret = setuid(uid))) { + fprintf(stderr, "Call to setuid() failed with error: %s\n", + strerror(errno)); + ret = -errno; + goto finished; + } + +// while(1) { +// grp = getgrnam("root"); +// gid = grp->gr_gid; +// fprintf(stdout, "Setting GID to %s (%d).\n", +// grp->gr_name, gid); +// if ((ret = setgid(gid))) { +// fprintf(stderr, "Call to setgid() failed with error:" +// " %s\n", strerror(errno)); +// ret = -errno; +// goto finished; +// } +// } + + while (1) { + usleep(3000000); + } + +finished: + return ret; +} -- cgit