| de56407f |
1 | /* |
| 2 | * $Source$ |
| 3 | * $Header$ |
| 4 | */ |
| 5 | |
| 6 | #ifndef lint |
| 7 | static char *rcsid_auth_001_c = "$Header$"; |
| 8 | #endif lint |
| 9 | |
| 10 | #include <stdio.h> |
| 11 | #include <strings.h> |
| 12 | #include "gdb.h" |
| 13 | #include "smsu_int.h" |
| 14 | #include "kludge.h" |
| 15 | #include <krb.h> |
| 16 | #include <netinet/in.h> |
| 17 | #include <errno.h> |
| 18 | |
| 19 | extern char buf[BUFSIZ]; |
| 20 | extern int have_authorization; |
| 21 | extern struct sockaddr_in *client_address(); |
| 22 | extern CONNECTION conn; |
| 23 | int code; |
| 24 | extern char *PrincipalHostname(); |
| 25 | static char sms[] = "sms"; |
| 26 | static char qmark[] = "???"; |
| 27 | |
| 28 | /* |
| 29 | * authentication request auth_001: |
| 30 | * |
| 31 | * >>> (STRING) "auth_001" |
| 32 | * <<< (int) 0 |
| 33 | * >>> (STRING) ticket |
| 34 | * <<< (int) code |
| 35 | * |
| 36 | */ |
| 37 | |
| 38 | int |
| 39 | auth_001(str) |
| 40 | char *str; |
| 41 | { |
| 42 | STRING data; |
| 43 | char host[BUFSIZ]; |
| 44 | AUTH_DAT ad; |
| 45 | char realm[REALM_SZ]; |
| 46 | KTEXT_ST ticket_st; |
| 47 | |
| 48 | if (send_ok()) |
| 49 | lose("sending okay for authorization (auth_001)"); |
| 50 | code = receive_object(conn, (char *)&data, STRING_T); |
| 51 | if (code) { |
| 52 | code = connection_errno(conn); |
| 53 | lose("awaiting Kerberos authenticators"); |
| 54 | } |
| 55 | gethostname(host, BUFSIZ); |
| 56 | ticket_st.mbz = 0; |
| 57 | ticket_st.length = MAX_STRING_SIZE(data); |
| 58 | bcopy(STRING_DATA(data), ticket_st.dat, MAX_STRING_SIZE(data)); |
| 59 | code = rd_ap_req(&ticket_st, sms, |
| 60 | PrincipalHostname(host), 0, |
| 61 | &ad, "/etc/srvtab"); |
| 62 | if (code) { |
| 63 | code = krb_err_frob(code); |
| 64 | strcpy(ad.pname, qmark); |
| 65 | strcpy(ad.pinst, qmark); |
| 66 | strcpy(ad.prealm, qmark); |
| 67 | goto auth_failed; |
| 68 | } |
| 69 | if (get_krbrlm(realm,0)) |
| 70 | realm[0] = '\0'; |
| 71 | code = EPERM; |
| 72 | if (strcmp(sms, ad.pname)) |
| 73 | goto auth_failed; |
| 74 | if (ad.pinst[0] != '\0') |
| 75 | goto auth_failed; |
| 76 | if (strcmp(realm, ad.prealm)) |
| 77 | goto auth_failed; |
| 78 | if (send_ok()) |
| 79 | lose("sending approval of authorization"); |
| 80 | have_authorization = 1; |
| 81 | return(0); |
| 82 | auth_failed: |
| 83 | sprintf(buf, "auth for %s.%s@%s failed: %s", |
| 84 | ad.pname, ad.pinst, ad.prealm, error_message(code)); |
| 85 | { |
| 86 | register int rc; |
| 87 | rc = send_object(conn, (char *)&code, INTEGER_T); |
| 88 | code = rc; |
| 89 | } |
| 90 | if (code) |
| 91 | lose("sending rejection of authenticator"); |
| 92 | return(EPERM); |
| 93 | } |
andersk / moira.git / blame