boinc/mac_installer/AddRemoveUser.cpp

260 lines
8.8 KiB
C++

// This file is part of BOINC.
// http://boinc.berkeley.edu
// Copyright (C) 2009 University of California
//
// BOINC is free software; you can redistribute it and/or modify it
// under the terms of the GNU Lesser General Public License
// as published by the Free Software Foundation,
// either version 3 of the License, or (at your option) any later version.
//
// BOINC 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with BOINC. If not, see <http://www.gnu.org/licenses/>.
/* AddRemoveUser.cpp */
#include <Carbon/Carbon.h>
#include <unistd.h> // getlogin
#include <sys/types.h> // getpwname, getpwuid, getuid
#include <pwd.h> // getpwname, getpwuid, getuid
#include <grp.h> // getgrnam
#include "LoginItemAPI.h" //please take a look at LoginItemAPI.h for an explanation of the routines available to you.
void printUsage(void);
void SetLoginItem(Boolean addLogInItem);
static char * PersistentFGets(char *buf, size_t buflen, FILE *f);
int main(int argc, char *argv[])
{
Boolean AddUsers = false;
Boolean SetSavers = false;
Boolean isBMGroupMember, isBPGroupMember;
Boolean saverIsSet = false;
passwd *pw;
uid_t saved_uid;
long OSVersion;
group grpBOINC_master, *grpBOINC_masterPtr;
group grpBOINC_project, *grpBOINC_projectPtr;
char bmBuf[32768];
char bpBuf[32768];
short index, i;
char *p;
char s[256];
FILE *f;
OSStatus err;
#ifndef _DEBUG
if (getuid() != 0) {
printf("This program must be run as root\n");
printUsage();
return 0;
}
#endif
if (argc < 3) {
printUsage();
return 0;
}
if (strcmp(argv[1], "-a") == 0) {
AddUsers = true;
} else if (strcmp(argv[1], "-s") == 0) {
AddUsers = true;
SetSavers = true;
} else if (strcmp(argv[1], "-r") != 0) {
printUsage();
return 0;
}
err = Gestalt(gestaltSystemVersion, &OSVersion);
if (err != noErr)
return err;
err = getgrnam_r("boinc_master", &grpBOINC_master, bmBuf, sizeof(bmBuf), &grpBOINC_masterPtr);
if (err) { // Should never happen unless buffer too small
puts("getgrnam(\"boinc_master\") failed\n");
return -1;
}
err = getgrnam_r("boinc_project", &grpBOINC_project, bpBuf, sizeof(bpBuf), &grpBOINC_projectPtr);
if (err) { // Should never happen unless buffer too small
puts("getgrnam(\"boinc_project\") failed\n");
return -1;
}
for (index=2; index<argc; index++) {
pw = getpwnam(argv[index]);
if (pw == NULL) {
printf("User %s not found.\n", argv[index]);
continue;
}
isBMGroupMember = false;
i = 0;
while ((p = grpBOINC_master.gr_mem[i]) != NULL) { // Step through all users in group boinc_master
if (strcmp(p, argv[index]) == 0) {
// User is a member of group boinc_master
isBMGroupMember = true;
break;
}
++i;
}
isBPGroupMember = false;
i = 0;
while ((p = grpBOINC_project.gr_mem[i]) != NULL) { // Step through all users in group boinc_project
if (strcmp(p, argv[index]) == 0) {
// User is a member of group boinc_master
isBPGroupMember = true;
break;
}
++i;
}
if ((!isBMGroupMember) && AddUsers) {
sprintf(s, "dscl . -merge /groups/boinc_master users %s", argv[index]);
system(s);
}
if ((!isBPGroupMember) && AddUsers) {
sprintf(s, "dscl . -merge /groups/boinc_project users %s", argv[index]);
system(s);
}
if (isBMGroupMember && (!AddUsers)) {
sprintf(s, "dscl . -delete /Groups/boinc_master GroupMembership %s", argv[index]);
system(s);
}
if (isBPGroupMember && (!AddUsers)) {
sprintf(s, "dscl . -delete /Groups/boinc_project GroupMembership %s", argv[index]);
system(s);
}
saved_uid = geteuid();
seteuid(pw->pw_uid); // Temporarily set effective uid to this user
SetLoginItem(AddUsers); // Set or remove login item for this user
if (OSVersion < 0x1060) {
sprintf(s, "sudo -u %s defaults -currentHost read com.apple.screensaver moduleName",
argv[index]);
} else {
sprintf(s, "sudo -u %s defaults -currentHost read com.apple.screensaver moduleDict -dict",
argv[index]);
}
f = popen(s, "r");
if (f) {
saverIsSet = false;
while (PersistentFGets(s, sizeof(s), f)) {
if (strstr(s, "BOINCSaver")) {
saverIsSet = true;
break;
}
}
pclose(f);
}
if ((!saverIsSet) && SetSavers) {
if (OSVersion < 0x1060) {
sprintf(s, "sudo -u %s defaults -currentHost write com.apple.screensaver moduleName BOINCSaver",
argv[index]);
system(s);
sprintf(s, "sudo -u %s defaults -currentHost write com.apple.screensaver modulePath \"/Library/Screen Savers/BOINCSaver.saver\"",
argv[index]);
system(s);
} else {
sprintf(s, "sudo -u %s defaults -currentHost write com.apple.screensaver moduleDict -dict moduleName BOINCSaver path \"/Library/Screen Savers/BOINCSaver.saver\"",
argv[index]);
system(s);
}
}
if (saverIsSet && (!AddUsers)) {
if (OSVersion < 0x1060) {
sprintf(s, "sudo -u %s defaults -currentHost write com.apple.screensaver moduleName Flurry",
argv[index]);
system(s);
sprintf(s, "sudo -u %s defaults -currentHost write com.apple.screensaver modulePath \"/System/Library/Screen Savers/Flurry.saver\"",
argv[index]);
system(s);
} else {
sprintf(s, "sudo -u %s defaults -currentHost write com.apple.screensaver moduleDict -dict moduleName Flurry path \"/System/Library/Screen Savers/Flurry.saver\"",
argv[index]);
system(s);
}
}
seteuid(saved_uid); // Set effective uid back to privileged user
}
return 0;
}
void printUsage() {
printf("Usage: sudo AddRemoveUser [-a | -s | -r] [user1 [user2 [user3...]]]\n");
printf(" -a: add users to those with permission to run BOINC Manager.\n");
printf(" -s: same as -a plus set users' screensaver to BOINC.\n");
printf(" -r: remove users' permission to run BOINC Manager, and \n");
printf(" if their screensaver was set to BOINC change it to Flurry.\n");
printf("\n");
}
void SetLoginItem(Boolean addLogInItem){
Boolean Success;
int NumberOfLoginItems, Counter;
char *p, *q;
Success = false;
NumberOfLoginItems = GetCountOfLoginItems(kCurrentUser);
// Search existing login items in reverse order, deleting any duplicates of ours
for (Counter = NumberOfLoginItems ; Counter > 0 ; Counter--)
{
p = ReturnLoginItemPropertyAtIndex(kCurrentUser, kApplicationNameInfo, Counter-1);
if (p == NULL) continue;
q = p;
while (*q)
{
// It is OK to modify the returned string because we "own" it
*q = toupper(*q); // Make it case-insensitive
q++;
}
if (strcmp(p, "BOINCMANAGER.APP") == 0) {
Success = RemoveLoginItemAtIndex(kCurrentUser, Counter-1);
}
}
if (addLogInItem) {
Success = AddLoginItemWithPropertiesToUser(kCurrentUser, "/Applications/BOINCManager.app", kHideOnLaunch);
}
}
static char * PersistentFGets(char *buf, size_t buflen, FILE *f) {
char *p = buf;
size_t len = buflen;
size_t datalen = 0;
*buf = '\0';
while (datalen < (buflen - 1)) {
fgets(p, len, f);
if (feof(f)) break;
if (ferror(f) && (errno != EINTR)) break;
if (strchr(buf, '\n')) break;
datalen = strlen(buf);
p = buf + datalen;
len -= datalen;
}
return (buf[0] ? buf : NULL);
}