| | 1 | /* |
| | 2 | * $Source$ |
| | 3 | * $Author$ |
| | 4 | * $Header$ |
| | 5 | * |
| | 6 | * Copyright (C) 1987 by the Massachusetts Institute of Technology |
| | 7 | * For copying and distribution information, please see the file |
| | 8 | * <mit-copyright.h>. |
| | 9 | * |
| | 10 | */ |
| | 11 | |
| | 12 | #ifndef lint |
| | 13 | static char *rcsid_sms_sauth_c = "$Header$"; |
| | 14 | #endif lint |
| | 15 | |
| | 16 | #include <mit-copyright.h> |
| | 17 | #include <strings.h> |
| | 18 | #include "sms_server.h" |
| | 19 | #include <krb_et.h> |
| | 20 | |
| | 21 | extern char buf1[]; |
| | 22 | extern char *whoami; |
| | 23 | extern char *malloc(); |
| | 24 | |
| | 25 | /* |
| | 26 | * Handle a SMS_AUTH RPC request. |
| | 27 | * |
| | 28 | * argv[0] is a kerberos authenticator. Decompose it, and if |
| | 29 | * successful, store the name the user authenticated to in |
| | 30 | * cl->cl_name. |
| | 31 | */ |
| | 32 | |
| | 33 | void |
| | 34 | do_auth(cl) |
| | 35 | client *cl; |
| | 36 | { |
| | 37 | KTEXT_ST auth; |
| | 38 | AUTH_DAT ad; |
| | 39 | int status; |
| | 40 | char buf[REALM_SZ+INST_SZ+ANAME_SZ]; |
| | 41 | static char *unknown = "???"; |
| | 42 | |
| | 43 | if (cl->clname) { |
| | 44 | free(cl->clname); |
| | 45 | cl->clname = 0; |
| | 46 | cl->users_id = 0; |
| | 47 | bzero(&cl->kname, sizeof(cl->kname)); |
| | 48 | } |
| | 49 | if (cl->entity && cl->entity != unknown) { |
| | 50 | free(cl->entity); |
| | 51 | cl->entity = 0; |
| | 52 | } |
| | 53 | |
| | 54 | auth.length = cl->args->sms_argl[0]; |
| | 55 | bcopy(cl->args->sms_argv[0], (char *)auth.dat, auth.length); |
| | 56 | auth.mbz = 0; |
| | 57 | |
| | 58 | if ((status = krb_rd_req (&auth, "sms", "sms", cl->haddr.sin_addr, |
| | 59 | &ad, "")) != 0) { |
| | 60 | status += ERROR_TABLE_BASE_krb; |
| | 61 | cl->reply.sms_status = status; |
| | 62 | if (log_flags & LOG_RES) |
| | 63 | com_err(whoami, status, "(authentication failed)"); |
| | 64 | return; |
| | 65 | } |
| | 66 | bcopy(ad.pname, cl->kname.name, ANAME_SZ); |
| | 67 | bcopy(ad.pinst, cl->kname.inst, INST_SZ); |
| | 68 | bcopy(ad.prealm, cl->kname.realm, REALM_SZ); |
| | 69 | |
| | 70 | (void) strcpy(buf, ad.pname); |
| | 71 | if(ad.pinst[0]) { |
| | 72 | (void) strcat(buf, "."); |
| | 73 | (void) strcat(buf, ad.pinst); |
| | 74 | } |
| | 75 | (void) strcat(buf, "@"); |
| | 76 | (void) strcat(buf, ad.prealm); |
| | 77 | if (cl->clname) free((char *)cl->clname); |
| | 78 | |
| | 79 | cl->clname = (char *)malloc((unsigned)(strlen(buf)+1)); |
| | 80 | (void) strcpy(cl->clname, buf); |
| | 81 | bzero(&ad, sizeof(ad)); /* Clean up session key, etc. */ |
| | 82 | |
| | 83 | cl->users_id = get_users_id(cl->kname.name); |
| | 84 | |
| | 85 | if (cl->args->sms_version_no == SMS_VERSION_2) { |
| | 86 | unsigned len = strlen(cl->args->sms_argv[1]) + 1; |
| | 87 | |
| | 88 | cl->entity = (char *)malloc(len); |
| | 89 | bcopy(cl->args->sms_argv[1], cl->entity, len+1); |
| | 90 | } else { |
| | 91 | cl->entity = unknown; |
| | 92 | } |
| | 93 | |
| | 94 | if (log_flags & LOG_RES) |
| | 95 | com_err(whoami, 0, "Authenticated to %s using %s, id %d", |
| | 96 | cl->clname, cl->entity, cl->users_id); |
| | 97 | if (cl->users_id == 0) |
| | 98 | cl->reply.sms_status = SMS_USER_AUTH; |
| | 99 | } |
andersk / moira.git / blame_incremental