/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License, Version 1.0 only * (the "License"). You may not use this file except in compliance * with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2005 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ /* All Rights Reserved */ /* * Implements the "putdgrp" command. */ #include <sys/types.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <errno.h> #include <unistd.h> #include <fmtmsg.h> #include <devmgmt.h> #include <devtab.h> /* * General Purpose Constants * TRUE Boolean TRUE (if not already defined) * FALSE Boolean FALSE (if not already defined) */ #ifndef TRUE #define TRUE (1) #endif #ifndef FALSE #define FALSE (0) #endif /* * Exit codes * EX_OK All went well * EX_ERROR Usage or internal error * EX_DGROUP Had trouble accessing/reading/writing the * device-group table * EX_NODGRP The specified device-group does not exist * EX_NOMEM One or more device-group members requested for * removal was not defined for the device */ #define EX_OK 0 #define EX_ERROR 1 #define EX_DGROUP 2 #define EX_NODGRP 3 #define EX_NOMEM 4 /* * Error messages */ #define E_USAGE "usage: putdgrp [-d] dgroup [device [...]]" #define E_NODGRP "Device-group does not exist in table: %s" #define E_NOTAMEM "Device-group member not found: %s" #define E_NODGRPTAB "Cannot open the device-group table: %s" #define E_NOMKTAB "Cannot create a new device-group table: %s" #define E_INTERNAL "Internal error, errno=%d" /* * Macros * stdmsg(r,l,s,t) Using fmtmsg(), write a standard message to the * standard error stream. * Where: * r The recoverability of the error * l The label-component * s The severity-component * t The text-component */ #define stdmsg(r,l,s,t) (void) fmtmsg(MM_PRINT|MM_UTIL|r,l,s,t,MM_NULLACT,MM_NULLTAG) /* * Static data * msg Space for message's text-component */ static char msg[256]; /* Space for text of message */ /* * char *mklbl(cmd) * char *cmd * * This function builds a standard label from the command used to invoke * this process and the standard label prefix ("UX:") * * Arguments: * char *cmd The command used to invoke this process. * * Returns: char * * Pointer to malloc()ed space containing the standard label, * or (char *) NULL if an error occurred. */ static char * mklbl(cmd) char *cmd; { /* Automatic data */ char *rtn; /* Value to return */ char *p; /* Temporary */ /* Find the 1st char of the basename of the command */ if (p = strrchr(cmd, '/')) p++; else p = cmd; /* Allocate and build the string value to return */ if (rtn = (char *) malloc(strlen("UX:")+strlen(p)+1)) { (void) strcpy(rtn, "UX:"); (void) strcat(rtn, p); } /* Now that we've done all of this work, set up the environemnt * so that only the text-component is written (some requirements * say that standard messages are to be non-standard in SVR4.0, * this is supposed to change in SVR4.1) */ (void) putenv("MSGVERB=text"); /* Done */ return(rtn); } /* * putdgrp [-d] dgroup [device [...]] * * Options: * -d * * Arguments: * dgroup * device * * Exit values: */ int main(int argc, char *argv[]) { /* Automatic data */ char **plist; /* Ptr to list of nonmembers */ char *lbl; /* Ptr to label for messages */ char *dgroup; /* Ptr to <dgroup> on command-line */ char *p; /* Temp ptr to char */ int noerr; /* FLAG, TRUE if all's well */ int d_seen; /* TRUE if -a seen on command-line */ int optchar; /* Option extracted */ int exitcd; /* Value to return at exit */ int nmems; /* Number of members on the cmd */ /* Generate the label for messages */ lbl = mklbl(argv[0]); /* Extract arguments - validate usage */ noerr = TRUE; d_seen = FALSE; opterr = FALSE; while ((optchar = getopt(argc, argv, "d:")) != EOF) switch (optchar) { case 'd': if (!d_seen) { d_seen = TRUE; dgroup = optarg; } else noerr = FALSE; break; case '?': default: noerr = FALSE; } /* Write a usage message if we've seen a blatant error */ if (!noerr || (!d_seen && ((nmems = argc - optind - 1) < 0)) || (d_seen && ((nmems = argc - optind) < 0))) { stdmsg(MM_NRECOV, lbl, MM_ERROR, E_USAGE); exit(EX_ERROR); } /* Set up */ exitcd = EX_OK; /* -d on the command line ? */ if (d_seen) { /* * Determine case (removing a device group or members * of that device group. */ if (nmems == 0) { /* putdgrp -d dgroup */ /* Attempt to remove the specified device */ if (!(_rmdgrptabrec(dgroup))) switch(errno) { /* * EINVAL indicates that the named device-group was * not found in the device-group table. */ case EINVAL: (void) snprintf(msg, sizeof(msg), E_NODGRP, dgroup); stdmsg(MM_NRECOV, lbl, MM_ERROR, msg); exitcd = EX_NODGRP; break; /* * ENOENT indicates that the device-group table can't * be found. */ case ENOENT: (void) snprintf(msg, sizeof(msg), E_NODGRPTAB, _dgrptabpath()); stdmsg(MM_NRECOV, lbl, MM_ERROR, msg); exitcd = EX_DGROUP; break; /* * EACCES indicates that there was a problem reading the * old device-group table or creating the new table. If the * old table is readable, assume that we can't create the * new table. Otherwise, assume that the old table isn't * accessible. */ case EACCES: p = _dgrptabpath(); if (access(p, R_OK) == 0) (void) snprintf(msg, sizeof(msg), E_NOMKTAB, p); else (void) snprintf(msg, sizeof(msg), E_NODGRPTAB, p); stdmsg(MM_NRECOV, lbl, MM_ERROR, msg); exitcd = EX_DGROUP; break; /* * Some strange problem... */ default: (void) snprintf(msg, sizeof(msg), E_INTERNAL, errno); stdmsg(MM_NRECOV, lbl, MM_ERROR, msg); exitcd = EX_ERROR; } /* End switch */ } else { /* putdgrp -d dgroup device [device [...]] */ /* * Attempt to remove the specified devices from the * specified device-group. */ if (!(_rmdgrpmems(dgroup, &argv[optind], &plist))) switch(errno) { /* * ENODEV indicates that a named device was not part * of the specified device group. */ case ENODEV: exitcd = EX_NOMEM; for (; *plist; plist++) { (void) snprintf(msg, sizeof(msg), E_NOTAMEM, *plist); stdmsg(MM_RECOVER, lbl, MM_WARNING, msg); } break; /* * EINVAL indicates that the named device-group is not * defined in the device-group table. */ case EINVAL: (void) snprintf(msg, sizeof(msg), E_NODGRP, dgroup); stdmsg(MM_NRECOV, lbl, MM_ERROR, msg); exitcd = EX_NODGRP; break; /* * ENOENT indicates that the device table can't * be found. */ case ENOENT: (void) snprintf(msg, sizeof(msg), E_NODGRPTAB, _dgrptabpath()); stdmsg(MM_NRECOV, lbl, MM_ERROR, msg); exitcd = EX_DGROUP; break; /* * EACCES indicates that there was a problem reading the * old device table or creating the new table. If the * old table is readable, assume that we can't create the * new table. Otherwise, assume that the old table isn't * accessible. */ case EACCES: p = _dgrptabpath(); if (access(p, R_OK) == 0) (void) snprintf(msg, sizeof(msg), E_NOMKTAB, p); else (void) snprintf(msg, sizeof(msg), E_NODGRPTAB, p); stdmsg(MM_NRECOV, lbl, MM_ERROR, msg); exitcd = EX_DGROUP; break; /* * Some strange problem... */ default: (void) sprintf(msg, E_INTERNAL, errno); stdmsg(MM_NRECOV, lbl, MM_ERROR, msg); exitcd = EX_ERROR; } /* End switch */ } /* End "putdgrp -d device attr [...]" case */ } /* End -d case */ else { /* Standard case (no -d on the command) */ if (!(_adddgrptabrec(argv[optind], &argv[optind+1]))) switch(errno) { /* * ENOENT indicates that the device-group table does not exist. */ case ENOENT: (void) snprintf(msg, sizeof(msg), E_NODGRPTAB, _dgrptabpath()); stdmsg(MM_NRECOV, lbl, MM_ERROR, msg); exitcd = EX_DGROUP; break; /* * EACCES indicates that the device-group table could not be * opened or the new device-group table could not be created. */ case EACCES: p = _dgrptabpath(); if (access(p, R_OK) == 0) (void) snprintf(msg, sizeof(msg), E_NOMKTAB, p); else (void) snprintf(msg, sizeof(msg), E_NODGRPTAB, p); stdmsg(MM_NRECOV, lbl, MM_ERROR, msg); exitcd = EX_DGROUP; break; /* * Some strange error (memory?) */ default: (void) sprintf(msg, E_INTERNAL, errno); stdmsg(MM_NRECOV, lbl, MM_ERROR, msg); exitcd = EX_ERROR; } } /* Done. Return exit code (determined above) */ return(exitcd); } /* main() */
