1 /* $NetBSD: mail_task.c,v 1.1.1.2 2009/08/31 17:54:01 tron Exp $ */ 2 3 /*++ 4 /* NAME 5 /* mail_task 3 6 /* SUMMARY 7 /* set task name for logging purposes 8 /* SYNOPSIS 9 /* #include <mail_task.h> 10 /* 11 /* const char *mail_task(argv0) 12 /* const char *argv0; 13 /* DESCRIPTION 14 /* mail_task() enforces consistent naming of mailer processes. 15 /* It strips pathname information from the process name, and 16 /* prepends the name of the mail system so that logfile entries 17 /* are easier to recognize. The mail system name is specified 18 /* with the "syslog_name" configuration parameter. 19 /* 20 /* The result is volatile. Make a copy of the result if it is 21 /* to be used for any appreciable amount of time. 22 /* LICENSE 23 /* .ad 24 /* .fi 25 /* The Secure Mailer license must be distributed with this software. 26 /* AUTHOR(S) 27 /* Wietse Venema 28 /* IBM T.J. Watson Research 29 /* P.O. Box 704 30 /* Yorktown Heights, NY 10598, USA 31 /*--*/ 32 33 /* System library. */ 34 35 #include <sys_defs.h> 36 #include <string.h> 37 38 /* Utility library. */ 39 40 #include <vstring.h> 41 #include <safe.h> 42 43 /* Global library. */ 44 45 #include "mail_params.h" 46 #include "mail_conf.h" 47 #include "mail_task.h" 48 49 /* mail_task - clean up and decorate the process name */ 50 51 const char *mail_task(const char *argv0) 52 { 53 static VSTRING *canon_name; 54 const char *slash; 55 const char *tag; 56 57 if (canon_name == 0) 58 canon_name = vstring_alloc(10); 59 if ((slash = strrchr(argv0, '/')) != 0 && slash[1]) 60 argv0 = slash + 1; 61 /* Setenv()-ed from main.cf, or inherited from master. */ 62 if ((tag = safe_getenv(CONF_ENV_LOGTAG)) == 0) 63 /* Check main.cf settings directly, in case set-gid. */ 64 tag = var_syslog_name ? var_syslog_name : 65 mail_conf_eval(DEF_SYSLOG_NAME); 66 vstring_sprintf(canon_name, "%s/%s", tag, argv0); 67 return (vstring_str(canon_name)); 68 } 69