usr/src/cmd/mailx/init.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
  23 /*        All Rights Reserved   */
  24
  25
  26 /*
  27  * Copyright (c) 1998 by Sun Microsystems, Inc.
  28  * All rights reserved.
  29  */
  30
  31 /*
  32  * University Copyright- Copyright (c) 1982, 1986, 1988
  33  * The Regents of the University of California
  34  * All Rights Reserved
  35  *
  36  * University Acknowledgment- Portions of this document are derived from
  37  * software developed by the University of California, Berkeley, and its
  38  * contributors.
  39  */
  40
  41 #pragma ident   "%Z%%M% %I%     %E% SMI"
  42
  43 /*
  44  * mailx -- a modified version of a University of California at Berkeley
  45  *      mail program
  46  *
  47  * A bunch of global variable declarations lie herein.
  48  *
  49  * All global externs are declared in def.h. All variables are initialized
  50  * here!
  51  *
  52  * !!!!!IF YOU CHANGE (OR ADD) IT HERE, DO IT THERE ALSO !!!!!!!!
  53  *
  54  */
  55
  56 #include        "def.h"
  57 #include        <grp.h>
  58 #include        <pwd.h>
  59 #include        <sys/utsname.h>
  60
  61 int     Fflag = 0;                      /* -F option (followup) */
  62 int     Hflag = 0;                      /* print headers and exit */
  63 char    *Tflag;                         /* -T temp file for netnews */
  64 int     UnUUCP = 0;                     /* -U flag */
  65 char    **altnames;                     /* List of alternate names for user */
  66 int     askme;
  67 int     baud;                           /* Output baud rate */
  68 char    *bflag;                         /* Bcc given from non tty */
  69 char    *binmsg = "*** Message content is not printable: pipe to command or save to a file ***";
  70 char    *cflag;                         /* Cc given from non tty */
  71 int     cond;                           /* Current state of conditional exc. */
  72 NODE    *curptr = NOFP;
  73 int     debug;                          /* Debug flag set */
  74 struct  message *dot;                   /* Pointer to current message */
  75 int     edit;                           /* Indicates editing a file */
  76 char    *editfile;                      /* Name of file being edited */
  77 int     exitflg = 0;                    /* -e for mail test */
  78 NODE    *fplist = NOFP;
  79 struct  grouphead       *groups[HSHSIZE];/* Pointer to active groups */
  80 int     hflag;                          /* Sequence number for network -h */
  81 char    homedir[PATHSIZE];              /* Name of home directory */
  82 struct  ignore          *ignore[HSHSIZE];/* Pointer to ignored fields */
  83 int     image;                          /* File descriptor for image of msg */
  84 FILE    *input;                         /* Current command input file */
  85 int     intty;                          /* True if standard input a tty */
  86 int     issysmbox;                      /* mailname is a system mailbox */
  87 FILE    *itf;                           /* Input temp file buffer */
  88 int     lexnumber;                      /* Number of TNUMBER from scan() */
  89 char    lexstring[STRINGLEN];           /* String from TSTRING, scan() */
  90 int     loading;                        /* Loading user definitions */
  91 char    *lockname;                      /* named used for locking in /var/mail */
  92 #ifdef  USR_SPOOL_MAIL
  93 char    *maildir = "/usr/spool/mail/";  /* directory for mail files */
  94 #else
  95 # ifdef preSVr4
  96 char    *maildir = "/usr/mail/";        /* directory for mail files */
  97 # else
  98 char    *maildir = "/var/mail/";        /* directory for mail files */
  99 # endif
 100 #endif
 101 char    mailname[PATHSIZE];             /* Name of /var/mail system mailbox */
 102 off_t   mailsize;                       /* Size of system mailbox */
 103 int     maxfiles;                       /* Maximum number of open files */
 104 struct  message *message;               /* The actual message structure */
 105 int     msgCount;                       /* Count of messages read in */
 106 gid_t   myegid;
 107 uid_t   myeuid;
 108 char    myname[PATHSIZE];               /* My login id */
 109 pid_t   mypid;                          /* Current process id */
 110 gid_t   myrgid;
 111 uid_t   myruid;
 112 int     newsflg = 0;                    /* -I option for netnews */
 113 char    noheader;                       /* Suprress initial header listing */
 114 int     noreset;                        /* String resets suspended */
 115 char    nosrc;                          /* Don't source /etc/mail/mailx.rc */
 116 int     nretained;                      /* Number of retained fields */
 117 int     numberstack[REGDEP];            /* Stack of regretted numbers */
 118 char    origname[PATHSIZE];             /* Name of mailfile before expansion */
 119 FILE    *otf;                           /* Output temp file buffer */
 120 int     outtty;                         /* True if standard output a tty */
 121 FILE    *pipef;                         /* Pipe file we have opened */
 122 char    *progname;                      /* program name (argv[0]) */
 123 char    *prompt = NOSTR;                /* prompt string */
 124 int     rcvmode;                        /* True if receiving mail */
 125 int     readonly;                       /* Will be unable to rewrite file */
 126 int     regretp;                        /* Pointer to TOS of regret tokens */
 127 int     regretstack[REGDEP];            /* Stack of regretted tokens */
 128 struct  ignore          *retain[HSHSIZE];/* Pointer to retained fields */
 129 char    *rflag;                         /* -r address for network */
 130 int     rmail;                          /* Being called as rmail */
 131 int     sawcom;                         /* Set after first command */
 132 int     selfsent;                       /* User sent self something */
 133 int     senderr;                        /* An error while checking */
 134 int     rpterr;                         /* An error msg was sent to stderr */
 135 char    *sflag;                         /* Subject given from non tty */
 136 int     sourcing;                       /* Currently reading variant file */
 137 int     space;                          /* Current maximum number of messages */
 138 jmp_buf srbuf;
 139 int     tflag;                          /* Read headers from text */
 140 /*
 141  * The pointers for the string allocation routines,
 142  * there are NSPACE independent areas.
 143  * The first holds STRINGSIZE bytes, the next
 144  * twice as much, and so on.
 145  */
 146 struct strings stringdope[NSPACE];
 147 char    *stringstack[REGDEP];           /* Stack of regretted strings */
 148 char    tempEdit[TMPSIZ];
 149 char    tempMail[TMPSIZ];
 150 char    tempMesg[TMPSIZ];
 151 char    tempQuit[TMPSIZ];
 152 char    tempResid[PATHSIZE];            /* temp file in :saved */
 153 char    tempZedit[TMPSIZ];
 154 uid_t   uid;                            /* The invoker's user id */
 155 static struct utimbuf   utimeb;
 156 struct utimbuf  *utimep = &utimeb;
 157 struct  var     *variables[HSHSIZE];    /* Pointer to active var list */
 158 int     receipt_flg = 0;                /* Flag for return receipt */