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pow-testgiver support

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ton 2020-07-06 17:07:20 +03:00
parent dbde9c1c40
commit f064b1047a
257 changed files with 6665 additions and 2608 deletions
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61
tdutils/td/utils/port/user.cpp
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@ -16,44 +16,53 @@
Copyright 2017-2020 Telegram Systems LLP
*/
#include "user.h"
#if TD_LINUX
#include <unistd.h>
#include <sys/types.h>
#include <pwd.h>
#include "td/utils/port/user.h"
#include "td/utils/port/config.h"
#if TD_PORT_POSIX
#include <grp.h>
#include <pwd.h>
#if TD_DARWIN || TD_FREEBSD || TD_NETBSD
#include <sys/param.h>
#endif
#include <sys/types.h>
#include <unistd.h>
#endif
namespace td {
#if TD_LINUX
td::Status change_user(td::Slice user) {
struct passwd *pw;
if (getuid() != 0 || geteuid() != 0) {
return td::Status::PosixError(errno, "cannot setuid() as not root");
}
if ((pw = getpwnam(user.str().c_str())) == 0) {
return td::Status::PosixError(errno, PSTRING() << "bad user '" << user << "'");
Status change_user(CSlice username, CSlice groupname) {
#if TD_PORT_POSIX
passwd *pw = getpwnam(username.c_str());
if (pw == nullptr) {
return OS_ERROR(PSTRING() << "Can't find the user '" << username << "' to switch to");
}
uid_t uid = pw->pw_uid;
gid_t gid = pw->pw_gid;
if (setgroups(1, &gid) < 0) {
return td::Status::PosixError(errno, "failed to clear supplementary groups list");
if (setgroups(1, &gid) == -1) {
return OS_ERROR("Failed to clear supplementary group list");
}
if (initgroups(user.str().c_str(), gid) != 0) {
return td::Status::PosixError(errno, "failed to load groups of user");
if (!groupname.empty()) {
group *g = getgrnam(groupname.c_str());
if (g == nullptr) {
return OS_ERROR("Can't find the group to switch to");
}
gid = g->gr_gid;
} else if (initgroups(username.c_str(), gid) == -1) {
return OS_ERROR("Failed to load groups of user");
}
if (setgid(pw->pw_gid) < 0) {
return td::Status::PosixError(errno, "failed to setgid()");
if (setgid(gid) == -1) {
return OS_ERROR("failed to set effective group ID");
}
if (setuid(pw->pw_uid) < 0) {
return td::Status::PosixError(errno, "failed to setuid()");
if (setuid(uid) == -1) {
return OS_ERROR("failed to set effective user ID");
}
return td::Status::OK();
}
return Status::OK();
#else
td::Status change_user(td::Slice username) {
return td::Status::Error("not implemented");
}
return Status::Error("Changing effective user is not supported");
#endif
}
} // namespace td