/** * @brief * add_service_account: creates the PBS service account if it doesn't exist, * otherwise, validate the password against the existing the service * account. * * @param[in] password - The password to be validated. * * @return int */ int add_service_account(char *password) { char dname[PBS_MAXHOSTNAME+1]; char dctrl[PBS_MAXHOSTNAME+1]; wchar_t unamew[UNLEN+1]; wchar_t dnamew[UNLEN+1]; wchar_t dctrlw[PBS_MAXHOSTNAME+1]; NET_API_STATUS nstatus; USER_INFO_1 *ui1_ptr = NULL; /* better indicator of lookup */ /* permission */ struct passwd *pw = NULL; char sa_name[PBS_MAXHOSTNAME+UNLEN+2]; /* service account fullname */ /* domain\user\0 */ int ret_val = 0; int in_domain_environment; USER_INFO_1 ui; wchar_t passwordw[LM20_PWLEN+1]; /* find domain name, group name to add service account to */ in_domain_environment = GetComputerDomainName(dname); strcpy(dctrl, dname); if (in_domain_environment) { char dname_a[PBS_MAXHOSTNAME+1]; get_dcinfo(dname, dname_a, dctrl); } mbstowcs(unamew, service_accountname, UNLEN+1); mbstowcs(dnamew, dname, PBS_MAXHOSTNAME+1); mbstowcs(dctrlw, dctrl, PBS_MAXHOSTNAME+1); /* create account if it doesn't exist */ /* FIX: Perform the following "if action" if either */ /* 1) in a domain environment, and the */ /* executing account (i.e. intaller) is an account in */ /* the domain, */ /* 2) in a standalone environment, and the */ /* executing account (i.e. installer) is a local account */ /* in the local computer. */ /* This fix is needed as during testing, I was finding that */ /* the local "Administrator" account itself has permission */ /* to query the domain, and to create accounts on the domain. */ /* However, the created domain "pbsadmin" account would have */ /* weirdness to it in that attempts to impersonate it would */ /* initially fail, and even after adding the account to the */ /* local "Administrators" group, that user entry on the group */ /* would suddenly disappear. */ if ((stricmp(exec_dname, dname) == 0) && ((nstatus=wrap_NetUserGetInfo(dctrlw, unamew, 1, (LPBYTE *)&ui1_ptr)) == NERR_UserNotFound)) { mbstowcs(passwordw, password, LM20_PWLEN+1); ui.usri1_name = (wchar_t *)unamew; ui.usri1_password = (wchar_t *)passwordw; ui.usri1_password_age = 0; ui.usri1_priv = USER_PRIV_USER; ui.usri1_home_dir = NULL; ui.usri1_comment = NULL; ui.usri1_flags = UF_PASSWD_CANT_CHANGE|UF_DONT_EXPIRE_PASSWD; ui.usri1_script_path = NULL; if (for_info_only) nstatus = NERR_Success; else nstatus=NetUserAdd(dctrlw, 1, (LPBYTE)&ui, NULL); if ((nstatus != NERR_Success) && (nstatus != NERR_UserExists)) { fprintf(stderr, "Failed to create %s\\%S: error status=%d\n", dname, unamew, nstatus); goto end_add_service_account; } printf("%s account %s\\%S\n", (for_info_only?"Creating":"Created"), dname, unamew); set_account_expiration(dnamew, dctrlw, unamew, TIMEQ_FOREVER); /* cache new token since the account was just created */ cache_usertoken_and_homedir(service_accountname, NULL, 0, read_sa_password, (char *)service_accountname, decrypt_sa_password, 1); if (add_to_administrators_group(dnamew, unamew) != 0) goto end_add_service_account; } /* Verify password */ if (pw == NULL) { pw = getpwnam(service_accountname); if (pw == NULL) { fprintf(stderr, "Password could not be validated against %s\\%s.\n", dname, service_accountname); goto end_add_service_account; } } /* validate password */ sprintf(sa_name, "%s\\%s", dname, service_accountname); if (!for_info_only) { if (pw->pw_userlogin != INVALID_HANDLE_VALUE) { if (ImpersonateLoggedOnUser(pw->pw_userlogin) == 0) { /* fail */ if (validate_account_password(sa_name, password) == 0) { /* we still call validate_account_password() as backup since */ /* under Windows 2000, LogonUser(), called from */ /* cache_usertoken_and_homedir(), might fail due to not */ /* having the SE_TCB_NAME privilege. This must be */ /* already set before calling the "cmd" process that */ /* executes the install program. */ fprintf(stderr, "Password did not validate against %s\\%s err=%d\n\nClick BACK button to retry a different password.\nClick NEXT button to abort installation.", dname, service_accountname, GetLastError()); goto end_add_service_account; } } else { printf("Validated password for %s\n", sa_name); RevertToSelf(); } } } else { printf("Validating password for %s\n", sa_name); } /* add service account to appropriate Admin group */ if (!for_info_only && !isLocalAdminMember(service_accountname)) { if (add_to_administrators_group(dnamew, unamew) != 0) goto end_add_service_account; } wcsset(passwordw, 0); ret_val = 1; if (for_info_only) { printf("%s will need the following privileges:\n", sa_name); printf("\n\tCreate Token Object\n"); printf("\n\tReplace Process Level Token\n"); printf("\n\tLogon On As a Service\n"); printf("\n\tAct As Part of the Operating System\n"); } end_add_service_account: if (ui1_ptr != NULL) NetApiBufferFree(ui1_ptr); return (ret_val); }
/** * @brief * main - the entry point in pbs_account_win.c * * @param[in] argc - argument count * @param[in] argv - argument variables. * @param[in] env - environment values. * * @return int * @retval 0 : success * @retval !=0 : error code */ main(int argc, char *argv[]) { SID *sa_sid = NULL; /* service account SID */ char sa_name[PBS_MAXHOSTNAME+UNLEN+2] = {'\0'}; /* service account name */ /* domain\user\0 */ int ret_val = 0; int c_opt = 0; int s_opt = 0; int a_opt = 0; int p_opt = 0; int R_opt = 0; int U_opt = 0; int instid_opt = 0; char service_bin_path[MAXPATHLEN+1] = {'\0'}; char service_name[MAXPATHLEN+1] = {'\0'}; int i = 0; char outputfile[MAXPATHLEN+1] = {'\0'}; char instanceName[MAXPATHLEN+1] = {'\0'}; int output_fd = -1; struct passwd *pw = NULL; char *p = NULL; winsock_init(); /*test for real deal or just version and exit*/ execution_mode(argc, argv); strcpy(exec_unamef, getlogin_full()); strcpy(exec_dname, "."); if ((p=strchr(exec_unamef, '\\'))) { *p = '\0'; strcpy(exec_dname, exec_unamef); *p = '\\'; } strcpy(sa_password, ""); strcpy(outputfile, ""); /* with no option, check only if service account exists */ if (argc == 1) { int in_domain_environment = 0; char dname[PBS_MAXHOSTNAME+1] = {'\0'}; char dctrl[PBS_MAXHOSTNAME+1] = {'\0'}; wchar_t unamew[UNLEN+1] = {'\0'}; wchar_t dctrlw[PBS_MAXHOSTNAME+1] = {'\0'}; USER_INFO_0 *ui1_ptr = NULL; NET_API_STATUS netst = 0; /* figure out the domain controller hostname (dctrl) */ /* in domain environment, */ /* domain name (dname) != domain controller hostname */ /* in standalone environment, */ /* domain name (dname) == domain controller hostname */ in_domain_environment = GetComputerDomainName(dname); strcpy(dctrl, dname); if (in_domain_environment) { char dname_a[PBS_MAXHOSTNAME+1]; get_dcinfo(dname, dname_a, dctrl); } /* convert strings to "wide" format */ mbstowcs(unamew, service_accountname, UNLEN+1); mbstowcs(dctrlw, dctrl, PBS_MAXHOSTNAME+1); netst = wrap_NetUserGetInfo(dctrlw, unamew, 1, (LPBYTE *)&ui1_ptr); if (strlen(winlog_buffer) > 0) { fprintf(stderr, "%s\n", winlog_buffer); } if (netst == NERR_UserNotFound) { fprintf(stderr, "%s not found!\n", service_accountname); if (in_domain_environment && stricmp(exec_dname, dname) != 0) { fprintf(stderr, "But no privilege to create service account %s\\%s!\n", dname, service_accountname); ret_val=2; } else { ret_val=1; } } else if ((netst == ERROR_ACCESS_DENIED) || (netst == ERROR_LOGON_FAILURE)) { fprintf(stderr, "no privilege to obtain info for service account %s\\%s!\n", dname, service_accountname); ret_val= 2; } else { fprintf(stderr, "service account is %s\\%s!\n", dname, service_accountname); ret_val = 0; } if (ui1_ptr != NULL) NetApiBufferFree(ui1_ptr); goto end_pbs_account; } i = 1; while (i < argc) { if (strcmp(argv[i], "-c") == 0) { c_opt = 1; i++; } else if (strcmp(argv[i], "--ci") == 0) { c_opt = 1; for_info_only = 1; i++; } else if (strcmp(argv[i], "-s") == 0) { s_opt = 1; i++; } else if (strcmp(argv[i], "-a") == 0) { if ((argv[i+1] == NULL) || (argv[i+1][0] == '-')) { fprintf(stderr, "No service account name argument supplied!\n"); usage(argv[0]); exit(1); } a_opt = 1; strcpy(service_accountname, argv[i+1]); i+=2; } else if (strcmp(argv[i], "-p") == 0) { if ((argv[i+1] == NULL) || (argv[i+1][0] == '-')) { fprintf(stderr, "No password argument supplied!\n"); usage(argv[0]); exit(1); } p_opt = 1; strcpy(sa_password, argv[i+1]); cache_usertoken_and_homedir(service_accountname, NULL, 0, read_sa_password, (char*)service_accountname, decrypt_sa_password, 1); i+=2; } else if (strcmp(argv[i], "--reg") == 0) { if ((argv[i+1] == NULL) || (argv[i+1][0] == '-')) { fprintf(stderr, "No service binary path given\n"); usage(argv[0]); exit(1); } R_opt = 1; strcpy(service_bin_path, argv[i+1]); i+=2; } else if (strcmp(argv[i], "--unreg") == 0) { if ((argv[i+1] == NULL) || (argv[i+1][0] == '-')) { fprintf(stderr, "No service binary path given\n"); usage(argv[0]); exit(1); } U_opt = 1; strcpy(service_bin_path, argv[i+1]); i+=2; } else if (strcmp(argv[i], "-o") == 0) { if ((argv[i+1] == NULL) || (argv[i+1][0] == '-')) { fprintf(stderr, "No output path argument supplied!\n"); usage(argv[0]); exit(1); } p_opt = 1; strcpy(outputfile, argv[i+1]); i+=2; } else if (strncmp(argv[i], "--instid", strlen("--instid")) == 0) { if ((argv[i+1] == NULL) || (argv[i+1][0] == '-')) { fprintf(stderr, "No instance id supplied!\n"); usage(argv[0]); exit(1); } instid_opt = 1; strncpy(instanceName, argv[i+1], MAXPATHLEN); i+=2; } else { fprintf(stderr, "Unknown option %s\n", argv[i]); usage(argv[0]); exit(1); } } if (strlen(outputfile) > 0) { if ((output_fd=open(outputfile, O_RDWR|O_CREAT, 0600)) != -1) { _dup2(output_fd, 1); /* put stdout in file */ _dup2(output_fd, 2); /* put stderr in file */ } } /* prompt for password if not supplied with -p */ if ((c_opt || R_opt) && (strcmp(sa_password, "") == 0)) { prompt_to_get_password(sa_password); cache_usertoken_and_homedir(service_accountname, NULL, 0, read_sa_password, (char *)service_accountname, decrypt_sa_password, 1); } /* Need to get service_name */ if (R_opt || U_opt) { char *p = NULL; int k = 0; strcpy(service_name, service_bin_path); if ((p=strrchr(service_bin_path, '\\'))) { strcpy(service_name, p+1); } if ((p=strrchr(service_name, '.'))) {/*remove .exe portion*/ *p = '\0'; } /* translate from lower-case to upper-case */ for (k=0; k < strlen(service_name); k++) { service_name[k] = toupper(service_name[k]); } if (instid_opt) { strcat_s(service_name, MAXPATHLEN, "_"); strcat_s(service_name, MAXPATHLEN, instanceName); } } if (c_opt) { if (add_service_account(sa_password) == 0) { ret_val = 3; goto end_pbs_account; } } if (s_opt || R_opt) { /* need service account name */ sa_sid = getusersid2(service_accountname, sa_name); if (sa_sid == NULL) { fprintf(stderr, "%s not found!\n", service_accountname); ret_val= 1; goto end_pbs_account; } if (!isAdminPrivilege(service_accountname)) { fprintf(stderr, "%s is not ADMIN! - %s\n", service_accountname, winlog_buffer); ret_val = 2; goto end_pbs_account; } } if (s_opt) { int r1, r2, r3, r4; printf("Setting the following privileges to %s:\n", sa_name); r1 = add_privilege(sa_sid, SE_CREATE_TOKEN_NAME); r2 = add_privilege(sa_sid, SE_ASSIGNPRIMARYTOKEN_NAME); r3 = add_privilege(sa_sid, SE_SERVICE_LOGON_NAME); r4 = add_privilege(sa_sid, SE_TCB_NAME); if ((r1 != 0) || (r2 != 0) || (r3 != 0) || (r4 != 0)) { ret_val = 4; goto end_pbs_account; } } if (R_opt) { ret_val = register_scm(__TEXT(service_name), service_bin_path, sa_name, sa_password); } if (U_opt) { ret_val = unregister_scm(__TEXT(service_name)); } end_pbs_account: if (sa_sid != NULL) LocalFree(sa_sid); if (strlen(sa_password) > 0) memset((char *)sa_password, 0, strlen(sa_password)); if (output_fd != -1) (void)close(output_fd); exit(ret_val); }
int svr_get_privilege(char *user, char *host) { int is_root = 0; int priv = (ATR_DFLAG_USRD | ATR_DFLAG_USWR); char uh[PBS_MAXUSER + PBS_MAXHOSTNAME + 2]; #ifdef WIN32 char server_host_netbios[MAX_COMPUTERNAME_LENGTH+1]; DWORD hsize = MAX_COMPUTERNAME_LENGTH; char current_domain[PBS_MAXHOSTNAME+1]; char server_host_domain[PBS_MAXHOSTNAME+1]; char user_s[PBS_MAXHOSTNAME+ UNLEN+2]; char *p = NULL; char *p0 = NULL; int ch = '\\'; #endif (void)strcpy(uh, user); (void)strcat(uh, "@"); (void)strcat(uh, host); #ifdef WIN32 /* Try to match requesting host against: */ /* localhost */ /* <server_host> */ /* <server_host_netbios_name> */ /* <server_host_netbios_name>.<windows_domain> */ if ( isAdminPrivilege(user) && \ ( (strcasecmp(host, server_host) == 0) || \ (strcasecmp(host, LOCALHOST_SHORTNAME) == 0) || \ (GetComputerName(server_host_netbios, &hsize) && \ (strcasecmp(host, server_host_netbios) == 0)) || \ (GetComputerDomainName(current_domain) && \ sprintf(server_host_domain, "%s.%s", server_host_netbios, current_domain) && \ (strcasecmp(host, server_host_domain) == 0)) ) ) { is_root = 1; } #else if (strcmp(user, PBS_DEFAULT_ADMIN) == 0) { char myhostname[PBS_MAXHOSTNAME+1]; /* First try without DNS lookup. */ if (strcasecmp(host, server_host) == 0) { is_root = 1; } else if (strcasecmp(host, LOCALHOST_SHORTNAME) == 0) { is_root = 1; } else if (strcasecmp(host, LOCALHOST_FULLNAME) == 0) { is_root = 1; } else { if (gethostname(myhostname, (sizeof(myhostname) - 1)) == -1) { myhostname[0] = '\0'; } if (strcasecmp(host, myhostname) == 0) { is_root = 1; } } if (is_root == 0) { /* Now try with DNS lookup. */ if (is_same_host(host, server_host)) { is_root = 1; } else if (is_same_host(host, myhostname)) { is_root = 1; } } } #endif /* WIN32 */ #ifdef PBS_ROOT_ALWAYS_ADMIN if (is_root) return (priv | ATR_DFLAG_MGRD | ATR_DFLAG_MGWR | ATR_DFLAG_OPRD | ATR_DFLAG_OPWR); #endif /* PBS_ROOT_ALWAYS_ADMIN */ if (!(server.sv_attr[(int)SRV_ATR_managers].at_flags & ATR_VFLAG_SET)) { if (is_root) priv |= (ATR_DFLAG_MGRD | ATR_DFLAG_MGWR); } else if (acl_check(&server.sv_attr[SRV_ATR_managers], uh, ACL_User)) priv |= (ATR_DFLAG_MGRD | ATR_DFLAG_MGWR); if (!(server.sv_attr[(int)SRV_ATR_operators].at_flags&ATR_VFLAG_SET)) { if (is_root) priv |= (ATR_DFLAG_OPRD | ATR_DFLAG_OPWR); } else if (acl_check(&server.sv_attr[SRV_ATR_operators], uh, ACL_User)) priv |= (ATR_DFLAG_OPRD | ATR_DFLAG_OPWR); return (priv); }