| 1 /* This file is part of the Project Athena Zephyr Notification System. |
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| 2 * It contains source for the ZGetSender.c function. |
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| 3 * |
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| 4 * Created by: Robert French |
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| 5 * |
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| 6 * Copyright (c) 1987, 1991 by the Massachusetts Institute of Technology. |
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| 7 * For copying and distribution information, see the file |
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| 8 * "mit-copyright.h". |
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| 9 */ |
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| 10 |
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| 11 #include "internal.h" |
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| 12 |
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| 13 #ifndef WIN32 |
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| 14 #include <pwd.h> |
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| 15 #endif |
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| 16 |
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| 17 char *ZGetSender() |
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| 18 { |
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| 19 struct passwd *pw; |
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| 20 #ifdef ZEPHYR_USES_KERBEROS |
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| 21 char pname[ANAME_SZ]; |
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| 22 char pinst[INST_SZ]; |
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| 23 char prealm[REALM_SZ]; |
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| 24 static char sender[ANAME_SZ+INST_SZ+REALM_SZ+3] = ""; |
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| 25 long int kerror; |
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| 26 #else |
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| 27 static char sender[128] = ""; |
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| 28 #endif |
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| 29 |
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| 30 #ifdef WIN32 |
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| 31 unsigned long sender_size = sizeof(sender) - 1; |
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| 32 #endif |
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| 33 |
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| 34 #ifdef ZEPHYR_USES_KERBEROS |
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| 35 if ((kerror = krb_get_tf_fullname((char *)TKT_FILE, pname, pinst, prealm)) == KSUCCESS) |
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| 36 { |
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| 37 sprintf(sender, "%s%s%s@%s", pname, (pinst[0] ? "." : ""), pinst, prealm); |
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| 38 return sender; |
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| 39 } |
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| 40 #endif |
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| 41 |
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| 42 #ifdef WIN32 |
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| 43 GetUserName(sender, &sender_size); |
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| 44 #else |
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| 45 /* XXX a uid_t is a u_short (now), but getpwuid |
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| 46 * wants an int. AARGH! */ |
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| 47 pw = getpwuid((int) getuid()); |
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| 48 if (!pw) |
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| 49 return ("unknown"); |
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| 50 sprintf(sender, "%s@%s", pw->pw_name, __Zephyr_realm); |
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| 51 #endif |
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| 52 return sender; |
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| 53 } |
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