static krb5_error_code get_new_tickets(krb5_context context, krb5_principal principal, krb5_ccache ccache, krb5_deltat ticket_life, int interactive) { krb5_error_code ret; krb5_creds cred; char passwd[256]; krb5_deltat start_time = 0; krb5_deltat renew = 0; const char *renewstr = NULL; krb5_enctype *enctype = NULL; krb5_ccache tempccache = NULL; krb5_init_creds_context ctx = NULL; krb5_get_init_creds_opt *opt = NULL; krb5_prompter_fct prompter = krb5_prompter_posix; #ifndef NO_NTLM struct ntlm_buf ntlmkey; memset(&ntlmkey, 0, sizeof(ntlmkey)); #endif passwd[0] = '\0'; if (!interactive) prompter = NULL; if (password_file) { FILE *f; if (strcasecmp("STDIN", password_file) == 0) f = stdin; else f = fopen(password_file, "r"); if (f == NULL) { krb5_warnx(context, "Failed to open the password file %s", password_file); return errno; } if (fgets(passwd, sizeof(passwd), f) == NULL) { krb5_warnx(context, N_("Failed to read password from file %s", ""), password_file); fclose(f); return EINVAL; /* XXX Need a better error */ } if (f != stdin) fclose(f); passwd[strcspn(passwd, "\n")] = '\0'; } #ifdef __APPLE__ if (passwd[0] == '\0') { const char *realm; OSStatus osret; UInt32 length; void *buffer; char *name; realm = krb5_principal_get_realm(context, principal); ret = krb5_unparse_name_flags(context, principal, KRB5_PRINCIPAL_UNPARSE_NO_REALM, &name); if (ret) goto nopassword; osret = SecKeychainFindGenericPassword(NULL, strlen(realm), realm, strlen(name), name, &length, &buffer, NULL); free(name); if (osret == noErr && length < sizeof(passwd) - 1) { memcpy(passwd, buffer, length); passwd[length] = '\0'; } nopassword: do { } while(0); } #endif memset(&cred, 0, sizeof(cred)); ret = krb5_get_init_creds_opt_alloc(context, &opt); if (ret) { krb5_warn(context, ret, "krb5_get_init_creds_opt_alloc"); goto out; } krb5_get_init_creds_opt_set_default_flags(context, "kinit", krb5_principal_get_realm(context, principal), opt); if (forwardable_flag != -1) krb5_get_init_creds_opt_set_forwardable(opt, forwardable_flag); if (proxiable_flag != -1) krb5_get_init_creds_opt_set_proxiable(opt, proxiable_flag); if (anonymous_flag) krb5_get_init_creds_opt_set_anonymous(opt, anonymous_flag); if (pac_flag != -1) krb5_get_init_creds_opt_set_pac_request(context, opt, pac_flag ? TRUE : FALSE); if (canonicalize_flag) krb5_get_init_creds_opt_set_canonicalize(context, opt, TRUE); if (pk_enterprise_flag || enterprise_flag || canonicalize_flag || windows_flag) krb5_get_init_creds_opt_set_win2k(context, opt, TRUE); if (pk_user_id || ent_user_id || anonymous_flag) { ret = krb5_get_init_creds_opt_set_pkinit(context, opt, principal, pk_user_id, pk_x509_anchors, NULL, NULL, pk_use_enckey ? 2 : 0 | anonymous_flag ? 4 : 0, prompter, NULL, passwd); if (ret) { krb5_warn(context, ret, "krb5_get_init_creds_opt_set_pkinit"); goto out; } if (ent_user_id) krb5_get_init_creds_opt_set_pkinit_user_certs(context, opt, ent_user_id); } if (addrs_flag != -1) krb5_get_init_creds_opt_set_addressless(context, opt, addrs_flag ? FALSE : TRUE); if (renew_life == NULL && renewable_flag) renewstr = "1 month"; if (renew_life) renewstr = renew_life; if (renewstr) { renew = parse_time(renewstr, "s"); if (renew < 0) errx(1, "unparsable time: %s", renewstr); krb5_get_init_creds_opt_set_renew_life(opt, renew); } if (ticket_life != 0) krb5_get_init_creds_opt_set_tkt_life(opt, ticket_life); if (start_str) { int tmp = parse_time(start_str, "s"); if (tmp < 0) errx(1, N_("unparsable time: %s", ""), start_str); start_time = tmp; } if (etype_str.num_strings) { int i; enctype = malloc(etype_str.num_strings * sizeof(*enctype)); if (enctype == NULL) errx(1, "out of memory"); for(i = 0; i < etype_str.num_strings; i++) { ret = krb5_string_to_enctype(context, etype_str.strings[i], &enctype[i]); if (ret) errx(1, "unrecognized enctype: %s", etype_str.strings[i]); } krb5_get_init_creds_opt_set_etype_list(opt, enctype, etype_str.num_strings); } ret = krb5_init_creds_init(context, principal, prompter, NULL, start_time, opt, &ctx); if (ret) { krb5_warn(context, ret, "krb5_init_creds_init"); goto out; } if (server_str) { ret = krb5_init_creds_set_service(context, ctx, server_str); if (ret) { krb5_warn(context, ret, "krb5_init_creds_set_service"); goto out; } } if (fast_armor_cache_string) { krb5_ccache fastid; ret = krb5_cc_resolve(context, fast_armor_cache_string, &fastid); if (ret) { krb5_warn(context, ret, "krb5_cc_resolve(FAST cache)"); goto out; } ret = krb5_init_creds_set_fast_ccache(context, ctx, fastid); if (ret) { krb5_warn(context, ret, "krb5_init_creds_set_fast_ccache"); goto out; } } if (use_keytab || keytab_str) { ret = krb5_init_creds_set_keytab(context, ctx, kt); if (ret) { krb5_warn(context, ret, "krb5_init_creds_set_keytab"); goto out; } } else if (pk_user_id || ent_user_id || anonymous_flag) { } else if (!interactive && passwd[0] == '\0') { static int already_warned = 0; if (!already_warned) krb5_warnx(context, "Not interactive, failed to get " "initial ticket"); krb5_get_init_creds_opt_free(context, opt); already_warned = 1; return 0; } else { if (passwd[0] == '\0') { char *p, *prompt; int aret = 0; ret = krb5_unparse_name(context, principal, &p); if (ret) errx(1, "failed to generate passwd prompt: not enough memory"); aret = asprintf(&prompt, N_("%s's Password: "******""), p); free(p); if (aret == -1) errx(1, "failed to generate passwd prompt: not enough memory"); if (UI_UTIL_read_pw_string(passwd, sizeof(passwd)-1, prompt, 0)){ memset(passwd, 0, sizeof(passwd)); errx(1, "failed to read password"); } free(prompt); } if (passwd[0]) { ret = krb5_init_creds_set_password(context, ctx, passwd); if (ret) { krb5_warn(context, ret, "krb5_init_creds_set_password"); goto out; } } } ret = krb5_init_creds_get(context, ctx); #ifndef NO_NTLM if (ntlm_domain && passwd[0]) heim_ntlm_nt_key(passwd, &ntlmkey); #endif memset(passwd, 0, sizeof(passwd)); switch(ret){ case 0: break; case KRB5_LIBOS_PWDINTR: /* don't print anything if it was just C-c:ed */ exit(1); case KRB5KRB_AP_ERR_BAD_INTEGRITY: case KRB5KRB_AP_ERR_MODIFIED: case KRB5KDC_ERR_PREAUTH_FAILED: case KRB5_GET_IN_TKT_LOOP: krb5_warnx(context, N_("Password incorrect", "")); goto out; case KRB5KRB_AP_ERR_V4_REPLY: krb5_warnx(context, N_("Looks like a Kerberos 4 reply", "")); goto out; case KRB5KDC_ERR_KEY_EXPIRED: krb5_warnx(context, N_("Password expired", "")); goto out; default: krb5_warn(context, ret, "krb5_get_init_creds"); goto out; } krb5_process_last_request(context, opt, ctx); ret = krb5_init_creds_get_creds(context, ctx, &cred); if (ret) { krb5_warn(context, ret, "krb5_init_creds_get_creds"); goto out; } if (ticket_life != 0) { if (abs(cred.times.endtime - cred.times.starttime - ticket_life) > 30) { char life[64]; unparse_time_approx(cred.times.endtime - cred.times.starttime, life, sizeof(life)); krb5_warnx(context, N_("NOTICE: ticket lifetime is %s", ""), life); } } if (renew_life) { if (abs(cred.times.renew_till - cred.times.starttime - renew) > 30) { char life[64]; unparse_time_approx(cred.times.renew_till - cred.times.starttime, life, sizeof(life)); krb5_warnx(context, N_("NOTICE: ticket renewable lifetime is %s", ""), life); } } krb5_free_cred_contents(context, &cred); ret = krb5_cc_new_unique(context, krb5_cc_get_type(context, ccache), NULL, &tempccache); if (ret) { krb5_warn(context, ret, "krb5_cc_new_unique"); goto out; } ret = krb5_init_creds_store(context, ctx, tempccache); if (ret) { krb5_warn(context, ret, "krb5_init_creds_store"); goto out; } krb5_init_creds_free(context, ctx); ctx = NULL; ret = krb5_cc_move(context, tempccache, ccache); if (ret) { krb5_warn(context, ret, "krb5_cc_move"); goto out; } tempccache = NULL; if (switch_cache_flags) krb5_cc_switch(context, ccache); #ifndef NO_NTLM if (ntlm_domain && ntlmkey.data) store_ntlmkey(context, ccache, ntlm_domain, &ntlmkey); #endif if (ok_as_delegate_flag || windows_flag || use_referrals_flag) { unsigned char d = 0; krb5_data data; if (ok_as_delegate_flag || windows_flag) d |= 1; if (use_referrals_flag || windows_flag) d |= 2; data.length = 1; data.data = &d; krb5_cc_set_config(context, ccache, NULL, "realm-config", &data); } out: krb5_get_init_creds_opt_free(context, opt); if (ctx) krb5_init_creds_free(context, ctx); if (tempccache) krb5_cc_close(context, tempccache); if (enctype) free(enctype); return ret; }
static krb5_error_code renew_validate(krb5_context context, int renew, int validate, krb5_ccache cache, const char *server, krb5_deltat life) { krb5_error_code ret; krb5_ccache tempccache = NULL; krb5_creds in, *out = NULL; krb5_kdc_flags flags; memset(&in, 0, sizeof(in)); ret = krb5_cc_get_principal(context, cache, &in.client); if (ret) { krb5_warn(context, ret, "krb5_cc_get_principal"); return ret; } ret = get_server(context, in.client, server, &in.server); if (ret) { krb5_warn(context, ret, "get_server"); goto out; } if (renew) { /* * no need to check the error here, it's only to be * friendly to the user */ krb5_get_credentials(context, KRB5_GC_CACHED, cache, &in, &out); } flags.i = 0; flags.b.renewable = flags.b.renew = renew; flags.b.validate = validate; if (forwardable_flag != -1) flags.b.forwardable = forwardable_flag; else if (out) flags.b.forwardable = out->flags.b.forwardable; if (proxiable_flag != -1) flags.b.proxiable = proxiable_flag; else if (out) flags.b.proxiable = out->flags.b.proxiable; if (anonymous_flag) flags.b.request_anonymous = anonymous_flag; if (life) in.times.endtime = time(NULL) + life; if (out) { krb5_free_creds(context, out); out = NULL; } ret = krb5_get_kdc_cred(context, cache, flags, NULL, NULL, &in, &out); if (ret) { krb5_warn(context, ret, "krb5_get_kdc_cred"); goto out; } ret = krb5_cc_new_unique(context, krb5_cc_get_type(context, cache), NULL, &tempccache); if (ret) { krb5_warn(context, ret, "krb5_cc_new_unique"); goto out; } ret = krb5_cc_initialize(context, tempccache, in.client); if (ret) { krb5_warn(context, ret, "krb5_cc_initialize"); goto out; } ret = krb5_cc_store_cred(context, tempccache, out); if (ret) { krb5_warn(context, ret, "krb5_cc_store_cred"); goto out; } /* * We want to preserve cc configs as some are security-relevant, and * anyways it's the friendly thing to do. */ ret = copy_configs(context, tempccache, cache, out->server); if (ret) goto out; ret = krb5_cc_move(context, tempccache, cache); if (ret) { krb5_warn(context, ret, "krb5_cc_move"); goto out; } tempccache = NULL; out: if (tempccache) krb5_cc_close(context, tempccache); if (out) krb5_free_creds(context, out); krb5_free_cred_contents(context, &in); return ret; }
OM_uint32 GSSAPI_CALLCONV _gss_krb5_acquire_cred_ext(OM_uint32 * minor_status, const gss_name_t desired_name, gss_const_OID credential_type, const void *credential_data, OM_uint32 time_req, gss_const_OID desired_mech, gss_cred_usage_t cred_usage, gss_cred_id_t * output_cred_handle) { krb5_init_creds_context ctx = NULL; krb5_get_init_creds_opt *opt = NULL; krb5_principal principal; krb5_context context; krb5_error_code kret; gsskrb5_cred handle = NULL; krb5_ccache ccache = NULL, ccachereplace = NULL; char *passwordstr = NULL; char *cache_name = NULL; char *lkdc_hostname = NULL; hx509_cert hxcert = NULL; heim_array_t bundleacl = NULL; krb5_principal new_name = NULL; GSSAPI_KRB5_INIT(&context); cred_usage &= GSS_C_OPTION_MASK; if (cred_usage != GSS_C_INITIATE && cred_usage != GSS_C_BOTH) { *minor_status = GSS_KRB5_S_G_BAD_USAGE; return GSS_S_FAILURE; } if (desired_name == GSS_C_NO_NAME) return GSS_S_FAILURE; if (gss_oid_equal(credential_type, GSS_C_CRED_HEIMBASE)) { heim_object_t pw, cname, cert, lkdc; heim_dict_t dict = (heim_dict_t)credential_data; pw = heim_dict_copy_value(dict, _gsskrb5_kGSSICPassword); if (pw) { if (heim_get_tid(pw) == heim_string_get_type_id()) { passwordstr = heim_string_copy_utf8(pw); if (passwordstr == NULL) { kret = ENOMEM; goto out; } } else if (heim_get_tid(pw) == heim_data_get_type_id()) { passwordstr = malloc(heim_data_get_length(pw) + 1); if (passwordstr == NULL) { kret = ENOMEM; goto out; } memcpy(passwordstr, heim_data_get_bytes(pw), heim_data_get_length(pw)); passwordstr[heim_data_get_length(pw)] = '\0'; } heim_release(pw); } cname = heim_dict_copy_value(dict, _gsskrb5_kGSSICKerberosCacheName); if (cname) { cache_name = heim_string_copy_utf8(cname); heim_release(cname); } bundleacl = heim_dict_copy_value(dict, _gsskrb5_kGSSICAppIdentifierACL); #ifdef PKINIT cert = heim_dict_copy_value(dict, _gsskrb5_kGSSICCertificate); if (cert) { kret = hx509_cert_init_SecFramework(context->hx509ctx, cert, &hxcert); if (kret) goto out; heim_release(cert); } #endif lkdc = heim_dict_copy_value(dict, _gsskrb5_kGSSICLKDCHostname); if (lkdc) { lkdc_hostname = heim_string_copy_utf8(lkdc); heim_release(lkdc); } } else if (gss_oid_equal(credential_type, GSS_C_CRED_PASSWORD)) { gss_buffer_t password = (gss_buffer_t)credential_data; passwordstr = malloc(password->length + 1); if (passwordstr == NULL) { kret = ENOMEM; goto out; } memcpy(passwordstr, password->value, password->length); passwordstr[password->length] = '\0'; } else { *minor_status = KRB5_NOCREDS_SUPPLIED; /* XXX */ return GSS_S_FAILURE; } if (passwordstr == NULL && hxcert == NULL) { *minor_status = KRB5_NOCREDS_SUPPLIED; /* XXX */ return GSS_S_FAILURE; } *output_cred_handle = NULL; handle = calloc(1, sizeof(*handle)); if (handle == NULL) { *minor_status = ENOMEM; return (GSS_S_FAILURE); } principal = (krb5_principal)desired_name; HEIMDAL_MUTEX_init(&handle->cred_id_mutex); kret = krb5_copy_principal(context, principal, &handle->principal); if (kret) goto out; kret = krb5_cc_new_unique(context, NULL, NULL, &ccache); if (kret) goto out; kret = krb5_get_init_creds_opt_alloc(context, &opt); if (kret) goto out; krb5_get_init_creds_opt_set_default_flags(context, "gss", krb5_principal_get_realm(context, principal), opt); krb5_get_init_creds_opt_set_forwardable(opt, 1); krb5_get_init_creds_opt_set_proxiable(opt, 1); krb5_get_init_creds_opt_set_renew_life(opt, 3600 * 24 * 30); /* 1 month */ if (hxcert) { char *cert_pool[2] = { "KEYCHAIN:", NULL }; kret = krb5_get_init_creds_opt_set_pkinit(context, opt, principal, NULL, "KEYCHAIN:", cert_pool, NULL, 8, NULL, NULL, NULL); if (kret) goto out; } kret = krb5_init_creds_init(context, handle->principal, NULL, NULL, NULL, opt, &ctx); if (kret) goto out; if (passwordstr) { kret = krb5_init_creds_set_password(context, ctx, passwordstr); memset(passwordstr, 0, strlen(passwordstr)); free(passwordstr); passwordstr = NULL; if (kret) goto out; } if (hxcert) { kret = krb5_init_creds_set_pkinit_client_cert(context, ctx, hxcert); if (kret) goto out; } if (lkdc_hostname) { kret = krb5_init_creds_set_kdc_hostname(context, ctx, lkdc_hostname); free(lkdc_hostname); lkdc_hostname = NULL; if (kret) goto out; } kret = krb5_init_creds_get(context, ctx); if (kret) goto out; handle->endtime = _krb5_init_creds_get_cred_endtime(context, ctx); /* * If we where subjected to a referral, update the name of the credential */ new_name = _krb5_init_creds_get_cred_client(context, ctx); if (new_name && !krb5_principal_compare(context, new_name, handle->principal)) { krb5_free_principal(context, handle->principal); kret = krb5_copy_principal(context, new_name, &handle->principal); if (kret) goto out; } /* * Now store the credential */ if (cache_name) { /* check if caller told us to use a specific cache */ kret = krb5_cc_resolve(context, cache_name, &ccachereplace); if (kret) goto out; } else { /* * check if there an existing cache to overwrite before we lay * down the new cache */ (void)krb5_cc_cache_match(context, principal, &ccachereplace); } kret = krb5_init_creds_store(context, ctx, ccache); if (kret == 0) kret = krb5_init_creds_store_config(context, ctx, ccache); if (bundleacl) krb5_cc_set_acl(context, ccache, "kHEIMAttrBundleIdentifierACL", bundleacl); krb5_init_creds_free(context, ctx); ctx = NULL; if (kret) goto out; krb5_get_init_creds_opt_free(context, opt); opt = NULL; /* * If we have a credential with the same naame, lets overwrite it */ if (ccachereplace) { kret = krb5_cc_move(context, ccache, ccachereplace); if (kret) goto out; handle->ccache = ccachereplace; ccachereplace = NULL; } else { handle->ccache = ccache; } handle->usage = cred_usage; *minor_status = 0; *output_cred_handle = (gss_cred_id_t)handle; if (cache_name) free(cache_name); heim_release(bundleacl); return GSS_S_COMPLETE; out: if (bundleacl) heim_release(bundleacl); if (opt) krb5_get_init_creds_opt_free(context, opt); if (ctx) krb5_init_creds_free(context, ctx); if (lkdc_hostname) free(lkdc_hostname); if (cache_name) free(cache_name); if (passwordstr) { memset(passwordstr, 0, strlen(passwordstr)); free(passwordstr); } if (ccachereplace) krb5_cc_close(context, ccachereplace); if (ccache) krb5_cc_destroy(context, ccache); if (handle) { if (handle->principal) krb5_free_principal(context, handle->principal); HEIMDAL_MUTEX_destroy(&handle->cred_id_mutex); free(handle); } *minor_status = kret; return GSS_S_FAILURE; }
int main(int argc, char **argv) { krb5_error_code ret; krb5_context context; krb5_ccache src_cc = NULL; krb5_ccache dst_cc = NULL; krb5_cc_cursor cursor; krb5_principal me = NULL; krb5_creds cred; const char *during; Ticket t; size_t len; int make_kvno_absent = 0; int opt; memset(&cred, 0, sizeof (cred)); during = "init_context"; ret = krb5_init_context(&context); if (ret) goto err; while ((opt = getopt(argc, argv, "c:n")) != -1) { switch (opt) { case 'c': during = "cc_resolve of source ccache"; ret = krb5_cc_resolve(context, optarg, &src_cc); if (ret) goto err; break; case 'n': make_kvno_absent++; break; case 'h': default: fprintf(stderr, "Usage: %s [-n] [-c ccache]\n" "\tThis utility edits a ccache, setting all ticket\n" "\tenc_part kvnos to zero or absent (if -n is set).\n", argv[0]); return 1; } } if (!src_cc) { during = "cc_default"; ret = krb5_cc_default(context, &src_cc); if (ret) goto err; } during = "cc_get_principal"; ret = krb5_cc_get_principal(context, src_cc, &me); if (ret) goto err; if (optind != argc) { fprintf(stderr, "Usage: %s [-n] [-c ccache]\n" "\tThis utility edits a ccache, setting all ticket\n" "\tenc_part kvnos to zero or absent (if -n is set).\n", argv[0]); return 1; } during = "cc_new_unique of temporary ccache"; ret = krb5_cc_new_unique(context, krb5_cc_get_type(context, src_cc), NULL, &dst_cc); during = "cc_initialize of temporary ccache"; ret = krb5_cc_initialize(context, dst_cc, me); if (ret) goto err; during = "cc_start_seq_get"; ret = krb5_cc_start_seq_get(context, src_cc, &cursor); if (ret) goto err; while ((ret = krb5_cc_next_cred(context, src_cc, &cursor, &cred)) == 0) { krb5_data data; during = "decode_Ticket"; memset(&t, 0, sizeof (t)); ret = decode_Ticket(cred.ticket.data, cred.ticket.length, &t, &len); if (ret == ASN1_MISSING_FIELD) continue; if (ret) goto err; if (t.enc_part.kvno) { *t.enc_part.kvno = 0; if (make_kvno_absent) { free(t.enc_part.kvno); t.enc_part.kvno = NULL; } /* * The new Ticket has to need less or same space as before, so * we reuse cred->icket.data. */ during = "encode_Ticket"; ASN1_MALLOC_ENCODE(Ticket, data.data, data.length, &t, &len, ret); if (ret) { free_Ticket(&t); goto err; } krb5_data_free(&cred.ticket); cred.ticket = data; } free_Ticket(&t); during = "cc_store_cred"; ret = krb5_cc_store_cred(context, dst_cc, &cred); if (ret) goto err; krb5_free_cred_contents(context, &cred); memset(&cred, 0, sizeof (cred)); } during = "cc_next_cred"; if (ret != KRB5_CC_END) goto err; during = "cc_end_seq_get"; ret = krb5_cc_end_seq_get(context, src_cc, &cursor); if (ret) goto err; during = "cc_move"; ret = krb5_cc_move(context, dst_cc, src_cc); if (ret) goto err; dst_cc = NULL; during = "cc_switch"; ret = krb5_cc_switch(context, src_cc); if (ret) goto err; err: (void) krb5_free_principal(context, me); if (src_cc) (void) krb5_cc_close(context, src_cc); if (dst_cc) (void) krb5_cc_destroy(context, dst_cc); if (ret) { fprintf(stderr, "Failed while doing %s (%d)\n", during, ret); ret = 1; } return (ret); }
static krb5_error_code get_new_tickets(krb5_context context, krb5_principal principal, krb5_ccache ccache, krb5_deltat ticket_life, int interactive) { krb5_error_code ret; krb5_get_init_creds_opt *opt; krb5_creds cred; char passwd[256]; krb5_deltat start_time = 0; krb5_deltat renew = 0; const char *renewstr = NULL; krb5_enctype *enctype = NULL; krb5_ccache tempccache; krb5_init_creds_context icc; krb5_keytab kt = NULL; int will_use_keytab = (use_keytab || keytab_str); krb5_prompter_fct prompter = NULL; int need_prompt; passwd[0] = '\0'; if (password_file) { FILE *f; if (strcasecmp("STDIN", password_file) == 0) f = stdin; else f = fopen(password_file, "r"); if (f == NULL) krb5_errx(context, 1, "Failed to open the password file %s", password_file); if (fgets(passwd, sizeof(passwd), f) == NULL) krb5_errx(context, 1, N_("Failed to read password from file %s", ""), password_file); if (f != stdin) fclose(f); passwd[strcspn(passwd, "\n")] = '\0'; } #if defined(__APPLE__) && !defined(__APPLE_TARGET_EMBEDDED__) if (passwd[0] == '\0' && !will_use_keytab && home_directory_flag) { const char *realm; OSStatus osret; UInt32 length; void *buffer; char *name; realm = krb5_principal_get_realm(context, principal); ret = krb5_unparse_name_flags(context, principal, KRB5_PRINCIPAL_UNPARSE_NO_REALM, &name); if (ret) goto nopassword; osret = SecKeychainFindGenericPassword(NULL, (UInt32)strlen(realm), realm, (UInt32)strlen(name), name, &length, &buffer, &passwordItem); free(name); if (osret != noErr) goto nopassword; if (length < sizeof(passwd) - 1) { memcpy(passwd, buffer, length); passwd[length] = '\0'; } SecKeychainItemFreeContent(NULL, buffer); nopassword: do { } while(0); } #endif need_prompt = !(pk_user_id || ent_user_id || anonymous_flag || will_use_keytab || passwd[0] != '\0') && interactive; if (need_prompt) prompter = krb5_prompter_posix; else prompter = krb5_prompter_print_only; memset(&cred, 0, sizeof(cred)); ret = krb5_get_init_creds_opt_alloc (context, &opt); if (ret) krb5_err(context, 1, ret, "krb5_get_init_creds_opt_alloc"); krb5_get_init_creds_opt_set_default_flags(context, "kinit", krb5_principal_get_realm(context, principal), opt); if(forwardable_flag != -1) krb5_get_init_creds_opt_set_forwardable (opt, forwardable_flag); if(proxiable_flag != -1) krb5_get_init_creds_opt_set_proxiable (opt, proxiable_flag); if(anonymous_flag) krb5_get_init_creds_opt_set_anonymous (opt, anonymous_flag); if (pac_flag != -1) krb5_get_init_creds_opt_set_pac_request(context, opt, pac_flag ? TRUE : FALSE); if (canonicalize_flag) krb5_get_init_creds_opt_set_canonicalize(context, opt, TRUE); if (pk_enterprise_flag || enterprise_flag || canonicalize_flag || windows_flag) krb5_get_init_creds_opt_set_win2k(context, opt, TRUE); if (pk_user_id || ent_user_id || anonymous_flag) { ret = krb5_get_init_creds_opt_set_pkinit(context, opt, principal, pk_user_id, pk_x509_anchors, NULL, NULL, pk_use_enckey ? 2 : 0 | anonymous_flag ? 4 : 0, interactive ? krb5_prompter_posix : krb5_prompter_print_only, NULL, passwd); if (ret) krb5_err(context, 1, ret, "krb5_get_init_creds_opt_set_pkinit"); if (ent_user_id) krb5_get_init_creds_opt_set_pkinit_user_cert(context, opt, ent_user_id); } if (addrs_flag != -1) krb5_get_init_creds_opt_set_addressless(context, opt, addrs_flag ? FALSE : TRUE); if (renew_life == NULL && renewable_flag) renewstr = "1 month"; if (renew_life) renewstr = renew_life; if (renewstr) { renew = parse_time (renewstr, "s"); if (renew < 0) errx (1, "unparsable time: %s", renewstr); krb5_get_init_creds_opt_set_renew_life (opt, renew); } if(ticket_life != 0) krb5_get_init_creds_opt_set_tkt_life (opt, ticket_life); if(start_str) { int tmp = parse_time (start_str, "s"); if (tmp < 0) errx (1, N_("unparsable time: %s", ""), start_str); start_time = tmp; } if(etype_str.num_strings) { int i; enctype = malloc(etype_str.num_strings * sizeof(*enctype)); if(enctype == NULL) errx(1, "out of memory"); for(i = 0; i < etype_str.num_strings; i++) { ret = krb5_string_to_enctype(context, etype_str.strings[i], &enctype[i]); if(ret) krb5_err(context, 1, ret, "unrecognized enctype: %s", etype_str.strings[i]); } krb5_get_init_creds_opt_set_etype_list(opt, enctype, etype_str.num_strings); } ret = krb5_init_creds_init(context, principal, prompter, NULL, start_time, opt, &icc); if (ret) krb5_err (context, 1, ret, "krb5_init_creds_init"); if (server_str) { ret = krb5_init_creds_set_service(context, icc, server_str); if (ret) krb5_err (context, 1, ret, "krb5_init_creds_set_service"); } if (kdc_hostname) krb5_init_creds_set_kdc_hostname(context, icc, kdc_hostname); if (fast_armor_cache_string) { krb5_ccache fastid; ret = krb5_cc_resolve(context, fast_armor_cache_string, &fastid); if (ret) krb5_err(context, 1, ret, "krb5_cc_resolve(FAST cache)"); ret = krb5_init_creds_set_fast_ccache(context, icc, fastid); if (ret) krb5_err(context, 1, ret, "krb5_init_creds_set_fast_ccache"); } if(will_use_keytab) { if(keytab_str) ret = krb5_kt_resolve(context, keytab_str, &kt); else ret = krb5_kt_default(context, &kt); if (ret) krb5_err (context, 1, ret, "resolving keytab"); ret = krb5_init_creds_set_keytab(context, icc, kt); if (ret) krb5_err (context, 1, ret, "krb5_init_creds_set_keytab"); } if (passwd[0] == '\0' && need_prompt) { char *p, *prompt; krb5_unparse_name(context, principal, &p); asprintf (&prompt, N_("%s's Password: "******""), p); free(p); if (UI_UTIL_read_pw_string(passwd, sizeof(passwd)-1, prompt, 0)){ memset(passwd, 0, sizeof(passwd)); errx(1, "failed to read password"); } free (prompt); } if (passwd[0]) { ret = krb5_init_creds_set_password(context, icc, passwd); if (ret) krb5_err(context, 1, ret, "krb5_init_creds_set_password"); } ret = krb5_init_creds_get(context, icc); #ifdef __APPLE__ /* * Save password in Keychain */ if (ret == 0 && keychain_flag && passwordItem == NULL) { krb5_error_code ret2; const char *realm; char *name; realm = krb5_principal_get_realm(context, principal); ret2 = krb5_unparse_name_flags(context, principal, KRB5_PRINCIPAL_UNPARSE_NO_REALM, &name); if (ret2 == 0) { (void)SecKeychainAddGenericPassword(NULL, (UInt32)strlen(realm), realm, (UInt32)strlen(name), name, (UInt32)strlen(passwd), passwd, NULL); free(name); } } #endif memset(passwd, 0, sizeof(passwd)); switch(ret){ case 0: break; case KRB5_LIBOS_PWDINTR: /* don't print anything if it was just C-c:ed */ exit(1); case KRB5KRB_AP_ERR_BAD_INTEGRITY: case KRB5KRB_AP_ERR_MODIFIED: case KRB5KDC_ERR_PREAUTH_FAILED: case KRB5_GET_IN_TKT_LOOP: #ifdef __APPLE__ if (passwordItem) SecKeychainItemDelete(passwordItem); #endif krb5_errx(context, 1, N_("Password incorrect", "")); case KRB5KRB_AP_ERR_V4_REPLY: krb5_errx(context, 1, N_("Looks like a Kerberos 4 reply", "")); case KRB5KDC_ERR_KEY_EXPIRED: krb5_errx(context, 1, N_("Password expired", "")); default: krb5_err(context, 1, ret, "krb5_get_init_creds"); } ret = krb5_init_creds_get_creds(context, icc, &cred); if (ret) krb5_err(context, 1, ret, "krb5_init_creds_get_creds"); krb5_process_last_request(context, opt, icc); ret = krb5_cc_new_unique(context, krb5_cc_get_type(context, ccache), NULL, &tempccache); if (ret) krb5_err (context, 1, ret, "krb5_cc_new_unique"); ret = krb5_init_creds_store(context, icc, tempccache); if (ret) krb5_err(context, 1, ret, "krb5_init_creds_store"); ret = krb5_init_creds_store_config(context, icc, tempccache); if (ret) krb5_warn(context, ret, "krb5_init_creds_store_config"); ret = krb5_init_creds_warn_user(context, icc); if (ret) krb5_warn(context, ret, "krb5_init_creds_warn_user"); #ifdef __APPLE__ /* * Set for this case, default to * so that all processes can use * this cache. */ { heim_array_t bundleacl = heim_array_create(); heim_string_t ace; if (bundle_acl_strings.num_strings > 0) { int i; for (i = 0; i < bundle_acl_strings.num_strings; i++) { ace = heim_string_create(bundle_acl_strings.strings[i]); heim_array_append_value(bundleacl, ace); heim_release(ace); } } else { ace = heim_string_create("*"); heim_array_append_value(bundleacl, ace); heim_release(ace); } krb5_cc_set_acl(context, tempccache, "kHEIMAttrBundleIdentifierACL", bundleacl); heim_release(bundleacl); } #endif ret = krb5_cc_move(context, tempccache, ccache); if (ret) { (void)krb5_cc_destroy(context, tempccache); krb5_err (context, 1, ret, "krb5_cc_move"); } if (switch_cache_flags) krb5_cc_switch(context, ccache); if (ok_as_delegate_flag || windows_flag || use_referrals_flag) { unsigned char d = 0; krb5_data data; if (ok_as_delegate_flag || windows_flag) d |= 1; if (use_referrals_flag || windows_flag) d |= 2; data.length = 1; data.data = &d; krb5_cc_set_config(context, ccache, NULL, "realm-config", &data); } if (enctype) free(enctype); krb5_init_creds_free(context, icc); krb5_get_init_creds_opt_free(context, opt); if (kt) krb5_kt_close(context, kt); #ifdef __APPLE__ if (passwordItem) CFRelease(passwordItem); #endif return 0; }
static krb5_error_code get_new_tickets(krb5_context context, krb5_principal principal, krb5_ccache ccache, krb5_deltat ticket_life, int interactive) { krb5_error_code ret; krb5_get_init_creds_opt *opt; krb5_creds cred; char passwd[256]; krb5_deltat start_time = 0; krb5_deltat renew = 0; char *renewstr = NULL; krb5_enctype *enctype = NULL; struct ntlm_buf ntlmkey; krb5_ccache tempccache; memset(&ntlmkey, 0, sizeof(ntlmkey)); passwd[0] = '\0'; if (password_file) { FILE *f; if (strcasecmp("STDIN", password_file) == 0) f = stdin; else f = fopen(password_file, "r"); if (f == NULL) krb5_errx(context, 1, "Failed to open the password file %s", password_file); if (fgets(passwd, sizeof(passwd), f) == NULL) krb5_errx(context, 1, N_("Failed to read password from file %s", ""), password_file); if (f != stdin) fclose(f); passwd[strcspn(passwd, "\n")] = '\0'; } memset(&cred, 0, sizeof(cred)); ret = krb5_get_init_creds_opt_alloc (context, &opt); if (ret) krb5_err(context, 1, ret, "krb5_get_init_creds_opt_alloc"); krb5_get_init_creds_opt_set_default_flags(context, "kinit", krb5_principal_get_realm(context, principal), opt); if(forwardable_flag != -1) krb5_get_init_creds_opt_set_forwardable (opt, forwardable_flag); if(proxiable_flag != -1) krb5_get_init_creds_opt_set_proxiable (opt, proxiable_flag); if(anonymous_flag != -1) krb5_get_init_creds_opt_set_anonymous (opt, anonymous_flag); if (pac_flag != -1) krb5_get_init_creds_opt_set_pac_request(context, opt, pac_flag ? TRUE : FALSE); if (canonicalize_flag) krb5_get_init_creds_opt_set_canonicalize(context, opt, TRUE); if (pk_user_id) { ret = krb5_get_init_creds_opt_set_pkinit(context, opt, principal, pk_user_id, pk_x509_anchors, NULL, NULL, pk_use_enckey ? 2 : 0, krb5_prompter_posix, NULL, passwd); if (ret) krb5_err(context, 1, ret, "krb5_get_init_creds_opt_set_pkinit"); } if (addrs_flag != -1) krb5_get_init_creds_opt_set_addressless(context, opt, addrs_flag ? FALSE : TRUE); if (renew_life == NULL && renewable_flag) renewstr = "1 month"; if (renew_life) renewstr = renew_life; if (renewstr) { renew = parse_time (renewstr, "s"); if (renew < 0) errx (1, "unparsable time: %s", renewstr); krb5_get_init_creds_opt_set_renew_life (opt, renew); } if(ticket_life != 0) krb5_get_init_creds_opt_set_tkt_life (opt, ticket_life); if(start_str) { int tmp = parse_time (start_str, "s"); if (tmp < 0) errx (1, N_("unparsable time: %s", ""), start_str); start_time = tmp; } if(etype_str.num_strings) { int i; enctype = malloc(etype_str.num_strings * sizeof(*enctype)); if(enctype == NULL) errx(1, "out of memory"); for(i = 0; i < etype_str.num_strings; i++) { ret = krb5_string_to_enctype(context, etype_str.strings[i], &enctype[i]); if(ret) errx(1, "unrecognized enctype: %s", etype_str.strings[i]); } krb5_get_init_creds_opt_set_etype_list(opt, enctype, etype_str.num_strings); } if(use_keytab || keytab_str) { krb5_keytab kt; if(keytab_str) ret = krb5_kt_resolve(context, keytab_str, &kt); else ret = krb5_kt_default(context, &kt); if (ret) krb5_err (context, 1, ret, "resolving keytab"); ret = krb5_get_init_creds_keytab (context, &cred, principal, kt, start_time, server_str, opt); krb5_kt_close(context, kt); } else if (pk_user_id) { ret = krb5_get_init_creds_password (context, &cred, principal, passwd, krb5_prompter_posix, NULL, start_time, server_str, opt); } else if (!interactive) { krb5_warnx(context, "Not interactive, failed to get initial ticket"); krb5_get_init_creds_opt_free(context, opt); return 0; } else { if (passwd[0] == '\0') { char *p, *prompt; krb5_unparse_name (context, principal, &p); asprintf (&prompt, N_("%s's Password: "******""), p); free (p); if (UI_UTIL_read_pw_string(passwd, sizeof(passwd)-1, prompt, 0)){ memset(passwd, 0, sizeof(passwd)); exit(1); } free (prompt); } ret = krb5_get_init_creds_password (context, &cred, principal, passwd, krb5_prompter_posix, NULL, start_time, server_str, opt); } krb5_get_init_creds_opt_free(context, opt); if (ntlm_domain && passwd[0]) heim_ntlm_nt_key(passwd, &ntlmkey); memset(passwd, 0, sizeof(passwd)); switch(ret){ case 0: break; case KRB5_LIBOS_PWDINTR: /* don't print anything if it was just C-c:ed */ exit(1); case KRB5KRB_AP_ERR_BAD_INTEGRITY: case KRB5KRB_AP_ERR_MODIFIED: case KRB5KDC_ERR_PREAUTH_FAILED: krb5_errx(context, 1, N_("Password incorrect", "")); break; case KRB5KRB_AP_ERR_V4_REPLY: krb5_errx(context, 1, N_("Looks like a Kerberos 4 reply", "")); break; default: krb5_err(context, 1, ret, "krb5_get_init_creds"); } if(ticket_life != 0) { if(abs(cred.times.endtime - cred.times.starttime - ticket_life) > 30) { char life[64]; unparse_time_approx(cred.times.endtime - cred.times.starttime, life, sizeof(life)); krb5_warnx(context, N_("NOTICE: ticket lifetime is %s", ""), life); } } if(renew_life) { if(abs(cred.times.renew_till - cred.times.starttime - renew) > 30) { char life[64]; unparse_time_approx(cred.times.renew_till - cred.times.starttime, life, sizeof(life)); krb5_warnx(context, N_("NOTICE: ticket renewable lifetime is %s", ""), life); } } ret = krb5_cc_new_unique(context, krb5_cc_get_type(context, ccache), NULL, &tempccache); if (ret) krb5_err (context, 1, ret, "krb5_cc_new_unique"); ret = krb5_cc_initialize (context, tempccache, cred.client); if (ret) krb5_err (context, 1, ret, "krb5_cc_initialize"); ret = krb5_cc_store_cred (context, tempccache, &cred); if (ret) krb5_err (context, 1, ret, "krb5_cc_store_cred"); krb5_free_cred_contents (context, &cred); ret = krb5_cc_move(context, tempccache, ccache); if (ret) krb5_err (context, 1, ret, "krb5_cc_move"); if (ntlm_domain && ntlmkey.data) store_ntlmkey(context, ccache, ntlm_domain, &ntlmkey); if (ok_as_delegate_flag || windows_flag || use_referrals_flag) { unsigned char d = 0; krb5_data data; if (ok_as_delegate_flag || windows_flag) d |= 1; if (use_referrals_flag || windows_flag) d |= 2; data.length = 1; data.data = &d; krb5_cc_set_config(context, ccache, NULL, "realm-config", &data); } if (enctype) free(enctype); return 0; }