17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 51ca93273Seota * Common Development and Distribution License (the "License"). 61ca93273Seota * You may not use this file except in compliance with the License. 77c478bd9Sstevel@tonic-gate * 87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 117c478bd9Sstevel@tonic-gate * and limitations under the License. 127c478bd9Sstevel@tonic-gate * 137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 187c478bd9Sstevel@tonic-gate * 197c478bd9Sstevel@tonic-gate * CDDL HEADER END 207c478bd9Sstevel@tonic-gate */ 217c478bd9Sstevel@tonic-gate /* 22*49e92448Svikram * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 237c478bd9Sstevel@tonic-gate * Use is subject to license terms. 247c478bd9Sstevel@tonic-gate */ 257c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 267c478bd9Sstevel@tonic-gate 277c478bd9Sstevel@tonic-gate 287c478bd9Sstevel@tonic-gate #include <stdio.h> 297c478bd9Sstevel@tonic-gate #include <stdlib.h> 301ca93273Seota #include <ctype.h> 317c478bd9Sstevel@tonic-gate #include <unistd.h> 327c478bd9Sstevel@tonic-gate #include <sys/sysmacros.h> 337c478bd9Sstevel@tonic-gate #include <libintl.h> 347c478bd9Sstevel@tonic-gate #include <wait.h> 357c478bd9Sstevel@tonic-gate #include <string.h> 367c478bd9Sstevel@tonic-gate #include <errno.h> 377c478bd9Sstevel@tonic-gate #include <fcntl.h> 387c478bd9Sstevel@tonic-gate #include <signal.h> 397c478bd9Sstevel@tonic-gate #include <sys/buf.h> 407c478bd9Sstevel@tonic-gate #include <sys/stat.h> 417c478bd9Sstevel@tonic-gate #include <grp.h> 427c478bd9Sstevel@tonic-gate #include "addrem.h" 437c478bd9Sstevel@tonic-gate #include "errmsg.h" 447c478bd9Sstevel@tonic-gate #include "plcysubr.h" 457c478bd9Sstevel@tonic-gate 467c478bd9Sstevel@tonic-gate static char *add_rem_lock; /* lock file */ 477c478bd9Sstevel@tonic-gate static char *tmphold; /* temperary file for updating */ 48*49e92448Svikram static int add_rem_lock_fd = -1; 497c478bd9Sstevel@tonic-gate 507c478bd9Sstevel@tonic-gate static int get_cached_n_to_m_file(char *filename, char ***cache); 517c478bd9Sstevel@tonic-gate static int get_name_to_major_entry(int *major_no, char *driver_name, 527c478bd9Sstevel@tonic-gate char *file_name); 537c478bd9Sstevel@tonic-gate 541ca93273Seota static int is_blank(char *); 551ca93273Seota 567c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 577c478bd9Sstevel@tonic-gate void 587c478bd9Sstevel@tonic-gate log_minorperm_error(minorperm_err_t err, int key) 597c478bd9Sstevel@tonic-gate { 607c478bd9Sstevel@tonic-gate switch (err) { 617c478bd9Sstevel@tonic-gate case MP_FOPEN_ERR: 627c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_CANT_ACCESS_FILE), 637c478bd9Sstevel@tonic-gate MINOR_PERM_FILE); 647c478bd9Sstevel@tonic-gate break; 657c478bd9Sstevel@tonic-gate case MP_FCLOSE_ERR: 667c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_NO_UPDATE), 677c478bd9Sstevel@tonic-gate MINOR_PERM_FILE); 687c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_NO_MEM)); 697c478bd9Sstevel@tonic-gate break; 707c478bd9Sstevel@tonic-gate case MP_IGNORING_LINE_ERR: 717c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_NO_UPDATE), 727c478bd9Sstevel@tonic-gate MINOR_PERM_FILE); 737c478bd9Sstevel@tonic-gate break; 747c478bd9Sstevel@tonic-gate case MP_ALLOC_ERR: 757c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_NO_UPDATE), 767c478bd9Sstevel@tonic-gate MINOR_PERM_FILE); 777c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_NO_MEM)); 787c478bd9Sstevel@tonic-gate break; 797c478bd9Sstevel@tonic-gate case MP_NVLIST_ERR: 807c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_NO_UPDATE), 817c478bd9Sstevel@tonic-gate MINOR_PERM_FILE); 827c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_NO_MEM)); 837c478bd9Sstevel@tonic-gate break; 847c478bd9Sstevel@tonic-gate case MP_CANT_FIND_USER_ERR: 857c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_NO_UPDATE), 867c478bd9Sstevel@tonic-gate MINOR_PERM_FILE); 877c478bd9Sstevel@tonic-gate break; 887c478bd9Sstevel@tonic-gate case MP_CANT_FIND_GROUP_ERR: 897c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_NO_UPDATE), 907c478bd9Sstevel@tonic-gate MINOR_PERM_FILE); 917c478bd9Sstevel@tonic-gate break; 927c478bd9Sstevel@tonic-gate } 937c478bd9Sstevel@tonic-gate } 947c478bd9Sstevel@tonic-gate 957c478bd9Sstevel@tonic-gate /* 967c478bd9Sstevel@tonic-gate * open file 977c478bd9Sstevel@tonic-gate * for each entry in list 987c478bd9Sstevel@tonic-gate * where list entries are separated by <list_separator> 997c478bd9Sstevel@tonic-gate * append entry : driver_name <entry_separator> entry 1007c478bd9Sstevel@tonic-gate * close file 1017c478bd9Sstevel@tonic-gate * return error/noerr 1027c478bd9Sstevel@tonic-gate */ 1037c478bd9Sstevel@tonic-gate int 1047c478bd9Sstevel@tonic-gate append_to_file( 1057c478bd9Sstevel@tonic-gate char *driver_name, 1067c478bd9Sstevel@tonic-gate char *entry_list, 1077c478bd9Sstevel@tonic-gate char *filename, 1087c478bd9Sstevel@tonic-gate char list_separator, 1097c478bd9Sstevel@tonic-gate char *entry_separator) 1107c478bd9Sstevel@tonic-gate { 1117c478bd9Sstevel@tonic-gate int i, len; 1127c478bd9Sstevel@tonic-gate int fpint; 1137c478bd9Sstevel@tonic-gate char *current_head, *previous_head; 1147c478bd9Sstevel@tonic-gate char *line, *one_entry; 1157c478bd9Sstevel@tonic-gate FILE *fp; 1167c478bd9Sstevel@tonic-gate 1177c478bd9Sstevel@tonic-gate if ((fp = fopen(filename, "a")) == NULL) { 1187c478bd9Sstevel@tonic-gate perror(NULL); 1197c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_CANT_ACCESS_FILE), 1207c478bd9Sstevel@tonic-gate filename); 1217c478bd9Sstevel@tonic-gate return (ERROR); 1227c478bd9Sstevel@tonic-gate } 1237c478bd9Sstevel@tonic-gate 1247c478bd9Sstevel@tonic-gate len = strlen(entry_list); 1257c478bd9Sstevel@tonic-gate 1267c478bd9Sstevel@tonic-gate one_entry = calloc(len + 1, 1); 1277c478bd9Sstevel@tonic-gate if (one_entry == NULL) { 1287c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_NO_UPDATE), filename); 1297c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_NO_MEM)); 1307c478bd9Sstevel@tonic-gate (void) fclose(fp); 1317c478bd9Sstevel@tonic-gate return (ERROR); 1327c478bd9Sstevel@tonic-gate } 1337c478bd9Sstevel@tonic-gate 1347c478bd9Sstevel@tonic-gate previous_head = entry_list; 1357c478bd9Sstevel@tonic-gate 1367c478bd9Sstevel@tonic-gate line = calloc(strlen(driver_name) + len + 4, 1); 1377c478bd9Sstevel@tonic-gate if (line == NULL) { 1387c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_NO_MEM)); 1397c478bd9Sstevel@tonic-gate (void) fclose(fp); 1407c478bd9Sstevel@tonic-gate err_exit(); 1417c478bd9Sstevel@tonic-gate } 1427c478bd9Sstevel@tonic-gate 1437c478bd9Sstevel@tonic-gate /* 1447c478bd9Sstevel@tonic-gate * get one entry at a time from list and append to <filename> file 1457c478bd9Sstevel@tonic-gate */ 1467c478bd9Sstevel@tonic-gate 1477c478bd9Sstevel@tonic-gate do { 1487c478bd9Sstevel@tonic-gate 1497c478bd9Sstevel@tonic-gate for (i = 0; i <= len; i++) 1507c478bd9Sstevel@tonic-gate one_entry[i] = 0; 1517c478bd9Sstevel@tonic-gate 1527c478bd9Sstevel@tonic-gate for (i = 0; i <= (int)strlen(line); i++) 1537c478bd9Sstevel@tonic-gate line[i] = 0; 1547c478bd9Sstevel@tonic-gate 1557c478bd9Sstevel@tonic-gate current_head = get_entry(previous_head, one_entry, 1567c478bd9Sstevel@tonic-gate list_separator); 1577c478bd9Sstevel@tonic-gate previous_head = current_head; 1587c478bd9Sstevel@tonic-gate 1597c478bd9Sstevel@tonic-gate (void) strcpy(line, driver_name); 1607c478bd9Sstevel@tonic-gate (void) strcat(line, entry_separator); 1617c478bd9Sstevel@tonic-gate (void) strcat(line, one_entry); 1627c478bd9Sstevel@tonic-gate (void) strcat(line, "\n"); 1637c478bd9Sstevel@tonic-gate 1647c478bd9Sstevel@tonic-gate if ((fputs(line, fp)) == EOF) { 1657c478bd9Sstevel@tonic-gate perror(NULL); 1667c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_NO_UPDATE), 1677c478bd9Sstevel@tonic-gate filename); 1687c478bd9Sstevel@tonic-gate } 1697c478bd9Sstevel@tonic-gate 1707c478bd9Sstevel@tonic-gate } while (*current_head != '\0'); 1717c478bd9Sstevel@tonic-gate 1727c478bd9Sstevel@tonic-gate 1737c478bd9Sstevel@tonic-gate (void) fflush(fp); 1747c478bd9Sstevel@tonic-gate 1757c478bd9Sstevel@tonic-gate fpint = fileno(fp); 1767c478bd9Sstevel@tonic-gate (void) fsync(fpint); 1777c478bd9Sstevel@tonic-gate 1787c478bd9Sstevel@tonic-gate (void) fclose(fp); 1797c478bd9Sstevel@tonic-gate 1807c478bd9Sstevel@tonic-gate free(one_entry); 1817c478bd9Sstevel@tonic-gate free(line); 1827c478bd9Sstevel@tonic-gate 1837c478bd9Sstevel@tonic-gate return (NOERR); 1847c478bd9Sstevel@tonic-gate } 1857c478bd9Sstevel@tonic-gate 1867c478bd9Sstevel@tonic-gate 1877c478bd9Sstevel@tonic-gate /* 1887c478bd9Sstevel@tonic-gate * open file 1897c478bd9Sstevel@tonic-gate * read thru file, deleting all entries if first 1907c478bd9Sstevel@tonic-gate * entry = driver_name 1917c478bd9Sstevel@tonic-gate * close 1927c478bd9Sstevel@tonic-gate * if error, leave original file intact with message 1937c478bd9Sstevel@tonic-gate * assumption : drvconfig has been modified to work with clone 1947c478bd9Sstevel@tonic-gate * entries in /etc/minor_perm as driver:mummble NOT 1957c478bd9Sstevel@tonic-gate * clone:driver mummble 1967c478bd9Sstevel@tonic-gate * this implementation will NOT find clone entries 1977c478bd9Sstevel@tonic-gate * clone:driver mummble 1987c478bd9Sstevel@tonic-gate * match: 1997c478bd9Sstevel@tonic-gate * delete just the matching entry 2007c478bd9Sstevel@tonic-gate * 2017c478bd9Sstevel@tonic-gate */ 2027c478bd9Sstevel@tonic-gate int 2037c478bd9Sstevel@tonic-gate delete_entry( 2047c478bd9Sstevel@tonic-gate char *oldfile, 2057c478bd9Sstevel@tonic-gate char *driver_name, 2067c478bd9Sstevel@tonic-gate char *marker, 2077c478bd9Sstevel@tonic-gate char *match) 2087c478bd9Sstevel@tonic-gate { 2097c478bd9Sstevel@tonic-gate int rv, i; 2107c478bd9Sstevel@tonic-gate int status = NOERR; 2117c478bd9Sstevel@tonic-gate int drvr_found = 0; 2127c478bd9Sstevel@tonic-gate boolean_t nomatch = B_TRUE; 2131ca93273Seota char *newfile, *tptr, *cp, *dup; 2147c478bd9Sstevel@tonic-gate char line[MAX_DBFILE_ENTRY], drv[FILENAME_MAX + 1]; 2157c478bd9Sstevel@tonic-gate FILE *fp, *newfp; 2167c478bd9Sstevel@tonic-gate struct group *sysgrp; 2177c478bd9Sstevel@tonic-gate 2187c478bd9Sstevel@tonic-gate /* 2197c478bd9Sstevel@tonic-gate * check if match is specified and if it equals " " 2207c478bd9Sstevel@tonic-gate * this is a special case handling as we do a strstr(3STRING) 2217c478bd9Sstevel@tonic-gate * to match an entry. By default all entries are space separated 2227c478bd9Sstevel@tonic-gate * and without this check all entries of the file could get deleted. 2237c478bd9Sstevel@tonic-gate */ 2247c478bd9Sstevel@tonic-gate if (match && (*match == ' ' && strlen(match) == 1)) { 2257c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_INT_UPDATE), oldfile); 2267c478bd9Sstevel@tonic-gate return (ERROR); 2277c478bd9Sstevel@tonic-gate } 2287c478bd9Sstevel@tonic-gate 2297c478bd9Sstevel@tonic-gate if ((fp = fopen(oldfile, "r")) == NULL) { 2307c478bd9Sstevel@tonic-gate perror(NULL); 2317c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_CANT_ACCESS_FILE), oldfile); 2327c478bd9Sstevel@tonic-gate return (ERROR); 2337c478bd9Sstevel@tonic-gate } 2347c478bd9Sstevel@tonic-gate 2357c478bd9Sstevel@tonic-gate /* 2367c478bd9Sstevel@tonic-gate * Build filename for temporary file 2377c478bd9Sstevel@tonic-gate */ 2387c478bd9Sstevel@tonic-gate 2397c478bd9Sstevel@tonic-gate if ((tptr = calloc(strlen(oldfile) + strlen(XEND) + 1, 1)) == NULL) { 2407c478bd9Sstevel@tonic-gate perror(NULL); 2417c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_NO_MEM)); 2427c478bd9Sstevel@tonic-gate } 2437c478bd9Sstevel@tonic-gate 2447c478bd9Sstevel@tonic-gate (void) strcpy(tptr, oldfile); 2457c478bd9Sstevel@tonic-gate (void) strcat(tptr, XEND); 2467c478bd9Sstevel@tonic-gate 2477c478bd9Sstevel@tonic-gate /* 2487c478bd9Sstevel@tonic-gate * Set gid so we preserve group attribute. Ideally we wouldn't 2497c478bd9Sstevel@tonic-gate * assume a gid of "sys" but we can't undo the damage on already 2507c478bd9Sstevel@tonic-gate * installed systems unless we force the issue. 2517c478bd9Sstevel@tonic-gate */ 2527c478bd9Sstevel@tonic-gate if ((sysgrp = getgrnam("sys")) != NULL) { 2537c478bd9Sstevel@tonic-gate (void) setgid(sysgrp->gr_gid); 2547c478bd9Sstevel@tonic-gate } 2557c478bd9Sstevel@tonic-gate 2567c478bd9Sstevel@tonic-gate newfile = mktemp(tptr); 2577c478bd9Sstevel@tonic-gate 2587c478bd9Sstevel@tonic-gate if ((newfp = fopen(newfile, "w")) == NULL) { 2597c478bd9Sstevel@tonic-gate perror(NULL); 2607c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_CANT_ACCESS_FILE), 2617c478bd9Sstevel@tonic-gate newfile); 2627c478bd9Sstevel@tonic-gate return (ERROR); 2637c478bd9Sstevel@tonic-gate } 2647c478bd9Sstevel@tonic-gate 2657c478bd9Sstevel@tonic-gate while ((fgets(line, sizeof (line), fp) != NULL) && status == NOERR) { 2661ca93273Seota /* copy the whole line into dup */ 2671ca93273Seota if ((dup = strdup(line)) == NULL) { 2681ca93273Seota perror(NULL); 2691ca93273Seota (void) fprintf(stderr, gettext(ERR_NO_MEM)); 2701ca93273Seota status = ERROR; 2711ca93273Seota break; 2721ca93273Seota } 2731ca93273Seota /* cut off comments starting with '#' */ 2741ca93273Seota if ((cp = strchr(dup, '#')) != NULL) 2751ca93273Seota *cp = '\0'; 2761ca93273Seota /* ignore comment or blank lines */ 2771ca93273Seota if (is_blank(dup)) { 2781ca93273Seota if (fputs(line, newfp) == EOF) { 2797c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_UPDATE), 2807c478bd9Sstevel@tonic-gate oldfile); 2817c478bd9Sstevel@tonic-gate status = ERROR; 2827c478bd9Sstevel@tonic-gate } 2831ca93273Seota free(dup); 2847c478bd9Sstevel@tonic-gate continue; 2857c478bd9Sstevel@tonic-gate } 2861ca93273Seota 2871ca93273Seota /* get the driver name */ 2881ca93273Seota if (sscanf(dup, "%s", drv) != 1) { 2897c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_BAD_LINE), 2907c478bd9Sstevel@tonic-gate oldfile, line); 2917c478bd9Sstevel@tonic-gate status = ERROR; 2921ca93273Seota free(dup); 2931ca93273Seota break; 2947c478bd9Sstevel@tonic-gate } 2951ca93273Seota free(dup); 2967c478bd9Sstevel@tonic-gate 2977c478bd9Sstevel@tonic-gate for (i = strcspn(drv, marker); i < FILENAME_MAX; i++) { 2987c478bd9Sstevel@tonic-gate drv[i] = '\0'; 2997c478bd9Sstevel@tonic-gate } 3007c478bd9Sstevel@tonic-gate 3017c478bd9Sstevel@tonic-gate if (strcmp(driver_name, drv) != 0) { 3027c478bd9Sstevel@tonic-gate if ((fputs(line, newfp)) == EOF) { 3037c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_UPDATE), 3047c478bd9Sstevel@tonic-gate oldfile); 3057c478bd9Sstevel@tonic-gate status = ERROR; 3067c478bd9Sstevel@tonic-gate } 3077c478bd9Sstevel@tonic-gate } else { 3087c478bd9Sstevel@tonic-gate drvr_found++; 3097c478bd9Sstevel@tonic-gate if (match) { /* Just delete one entry */ 3107c478bd9Sstevel@tonic-gate /* for now delete just minor_perm and aliases */ 3117c478bd9Sstevel@tonic-gate if ((strcmp(oldfile, minor_perm) == 0) || 3127c478bd9Sstevel@tonic-gate (strcmp(oldfile, extra_privs) == 0) || 3137c478bd9Sstevel@tonic-gate (strcmp(oldfile, driver_aliases) == 0)) { 3147c478bd9Sstevel@tonic-gate if (strstr(line, match)) { 3157c478bd9Sstevel@tonic-gate nomatch = B_FALSE; 3167c478bd9Sstevel@tonic-gate } else { 3177c478bd9Sstevel@tonic-gate if ((fputs(line, newfp)) == 3187c478bd9Sstevel@tonic-gate EOF) { 3197c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 3207c478bd9Sstevel@tonic-gate gettext(ERR_UPDATE), 3217c478bd9Sstevel@tonic-gate oldfile); 3227c478bd9Sstevel@tonic-gate status = ERROR; 3237c478bd9Sstevel@tonic-gate } 3247c478bd9Sstevel@tonic-gate if (nomatch != B_FALSE) 3257c478bd9Sstevel@tonic-gate nomatch = B_TRUE; 3267c478bd9Sstevel@tonic-gate } 3277c478bd9Sstevel@tonic-gate } 3287c478bd9Sstevel@tonic-gate } 3297c478bd9Sstevel@tonic-gate 3307c478bd9Sstevel@tonic-gate } /* end of else */ 3317c478bd9Sstevel@tonic-gate } /* end of while */ 3327c478bd9Sstevel@tonic-gate 3337c478bd9Sstevel@tonic-gate (void) fclose(fp); 3347c478bd9Sstevel@tonic-gate 3357c478bd9Sstevel@tonic-gate /* Make sure that the file is on disk */ 3367c478bd9Sstevel@tonic-gate if (fflush(newfp) != 0 || fsync(fileno(newfp)) != 0) 3377c478bd9Sstevel@tonic-gate status = ERROR; 3387c478bd9Sstevel@tonic-gate else 3397c478bd9Sstevel@tonic-gate rv = NOERR; 3407c478bd9Sstevel@tonic-gate 3417c478bd9Sstevel@tonic-gate (void) fclose(newfp); 3427c478bd9Sstevel@tonic-gate 3437c478bd9Sstevel@tonic-gate /* no matching driver found */ 3447c478bd9Sstevel@tonic-gate rv = NOERR; 3457c478bd9Sstevel@tonic-gate if (!drvr_found || 3467c478bd9Sstevel@tonic-gate (nomatch == B_TRUE)) { 3477c478bd9Sstevel@tonic-gate rv = NONE_FOUND; 3487c478bd9Sstevel@tonic-gate } 3497c478bd9Sstevel@tonic-gate 3507c478bd9Sstevel@tonic-gate /* 3517c478bd9Sstevel@tonic-gate * if error, leave original file, delete new file 3527c478bd9Sstevel@tonic-gate * if noerr, replace original file with new file 3537c478bd9Sstevel@tonic-gate */ 3547c478bd9Sstevel@tonic-gate 3557c478bd9Sstevel@tonic-gate if (status == NOERR) { 3567c478bd9Sstevel@tonic-gate if (rename(oldfile, tmphold) == -1) { 3577c478bd9Sstevel@tonic-gate perror(NULL); 3587c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_UPDATE), oldfile); 3597c478bd9Sstevel@tonic-gate (void) unlink(newfile); 3607c478bd9Sstevel@tonic-gate return (ERROR); 3617c478bd9Sstevel@tonic-gate } else if (rename(newfile, oldfile) == -1) { 3627c478bd9Sstevel@tonic-gate perror(NULL); 3637c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_UPDATE), oldfile); 3647c478bd9Sstevel@tonic-gate (void) unlink(oldfile); 3657c478bd9Sstevel@tonic-gate (void) unlink(newfile); 3667c478bd9Sstevel@tonic-gate if (link(tmphold, oldfile) == -1) { 3677c478bd9Sstevel@tonic-gate perror(NULL); 3687c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_BAD_LINK), 3697c478bd9Sstevel@tonic-gate oldfile, tmphold); 3707c478bd9Sstevel@tonic-gate } 3717c478bd9Sstevel@tonic-gate return (ERROR); 3727c478bd9Sstevel@tonic-gate } 3737c478bd9Sstevel@tonic-gate (void) unlink(tmphold); 3747c478bd9Sstevel@tonic-gate } else { 3757c478bd9Sstevel@tonic-gate /* 3767c478bd9Sstevel@tonic-gate * since there's an error, leave file alone; remove 3777c478bd9Sstevel@tonic-gate * new file 3787c478bd9Sstevel@tonic-gate */ 3797c478bd9Sstevel@tonic-gate if (unlink(newfile) == -1) { 3807c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_CANT_RM), newfile); 3817c478bd9Sstevel@tonic-gate } 3827c478bd9Sstevel@tonic-gate return (ERROR); 3837c478bd9Sstevel@tonic-gate } 3847c478bd9Sstevel@tonic-gate 3857c478bd9Sstevel@tonic-gate return (rv); 3867c478bd9Sstevel@tonic-gate } 3877c478bd9Sstevel@tonic-gate 3887c478bd9Sstevel@tonic-gate 3897c478bd9Sstevel@tonic-gate /* 3907c478bd9Sstevel@tonic-gate * wrapper for call to get_name_to_major_entry(): given driver name, 3917c478bd9Sstevel@tonic-gate * retrieve major number. 3927c478bd9Sstevel@tonic-gate */ 3937c478bd9Sstevel@tonic-gate int 3947c478bd9Sstevel@tonic-gate get_major_no(char *driver_name, char *file_name) 3957c478bd9Sstevel@tonic-gate { 3967c478bd9Sstevel@tonic-gate int major = UNIQUE; 3977c478bd9Sstevel@tonic-gate 3987c478bd9Sstevel@tonic-gate if (get_name_to_major_entry(&major, driver_name, file_name) == ERROR) 3997c478bd9Sstevel@tonic-gate return (ERROR); 4007c478bd9Sstevel@tonic-gate else 4017c478bd9Sstevel@tonic-gate return (major); 4027c478bd9Sstevel@tonic-gate } 4037c478bd9Sstevel@tonic-gate 4047c478bd9Sstevel@tonic-gate /* 4057c478bd9Sstevel@tonic-gate * wrapper for call to get_name_to_major_entry(): given major number, 4067c478bd9Sstevel@tonic-gate * retrieve driver name. 4077c478bd9Sstevel@tonic-gate */ 4087c478bd9Sstevel@tonic-gate int 4097c478bd9Sstevel@tonic-gate get_driver_name(int major, char *file_name, char *buf) 4107c478bd9Sstevel@tonic-gate { 4117c478bd9Sstevel@tonic-gate if (major < 0) 4127c478bd9Sstevel@tonic-gate return (ERROR); 4137c478bd9Sstevel@tonic-gate return (get_name_to_major_entry(&major, buf, file_name)); 4147c478bd9Sstevel@tonic-gate } 4157c478bd9Sstevel@tonic-gate 4167c478bd9Sstevel@tonic-gate 4177c478bd9Sstevel@tonic-gate /* 4187c478bd9Sstevel@tonic-gate * return pointer to cached name_to_major file - reads file into 4197c478bd9Sstevel@tonic-gate * cache if this has not already been done. Since there may be 4207c478bd9Sstevel@tonic-gate * requests for multiple name_to_major files (rem_name_to_major, 4217c478bd9Sstevel@tonic-gate * name_to_major), this routine keeps a list of cached files. 4227c478bd9Sstevel@tonic-gate */ 4237c478bd9Sstevel@tonic-gate static int 4247c478bd9Sstevel@tonic-gate get_cached_n_to_m_file(char *filename, char ***cache) 4257c478bd9Sstevel@tonic-gate { 4267c478bd9Sstevel@tonic-gate struct n_to_m_cache { 4277c478bd9Sstevel@tonic-gate char *file; 4287c478bd9Sstevel@tonic-gate char **cached_file; 4297c478bd9Sstevel@tonic-gate int size; 4307c478bd9Sstevel@tonic-gate struct n_to_m_cache *next; 4317c478bd9Sstevel@tonic-gate }; 4327c478bd9Sstevel@tonic-gate static struct n_to_m_cache *head = NULL; 4337c478bd9Sstevel@tonic-gate struct n_to_m_cache *ptr; 4347c478bd9Sstevel@tonic-gate FILE *fp; 4357c478bd9Sstevel@tonic-gate char drv[FILENAME_MAX + 1]; 4367c478bd9Sstevel@tonic-gate char entry[FILENAME_MAX + 1]; 4371ca93273Seota char line[MAX_N2M_ALIAS_LINE], *cp; 4387c478bd9Sstevel@tonic-gate int maj; 4397c478bd9Sstevel@tonic-gate int size = 0; 4407c478bd9Sstevel@tonic-gate 4417c478bd9Sstevel@tonic-gate 4427c478bd9Sstevel@tonic-gate /* 4437c478bd9Sstevel@tonic-gate * see if the file is already cached - either 4447c478bd9Sstevel@tonic-gate * rem_name_to_major or name_to_major 4457c478bd9Sstevel@tonic-gate */ 4467c478bd9Sstevel@tonic-gate ptr = head; 4477c478bd9Sstevel@tonic-gate while (ptr != NULL) { 4487c478bd9Sstevel@tonic-gate if (strcmp(ptr->file, filename) == 0) 4497c478bd9Sstevel@tonic-gate break; 4507c478bd9Sstevel@tonic-gate ptr = ptr->next; 4517c478bd9Sstevel@tonic-gate } 4527c478bd9Sstevel@tonic-gate 4537c478bd9Sstevel@tonic-gate if (ptr == NULL) { /* we need to cache the contents */ 4547c478bd9Sstevel@tonic-gate if ((fp = fopen(filename, "r")) == NULL) { 4557c478bd9Sstevel@tonic-gate perror(NULL); 4567c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_CANT_OPEN), 4577c478bd9Sstevel@tonic-gate filename); 4587c478bd9Sstevel@tonic-gate return (ERROR); 4597c478bd9Sstevel@tonic-gate } 4607c478bd9Sstevel@tonic-gate 4617c478bd9Sstevel@tonic-gate while (fgets(line, sizeof (line), fp) != NULL) { 4621ca93273Seota /* cut off comments starting with '#' */ 4631ca93273Seota if ((cp = strchr(line, '#')) != NULL) 4641ca93273Seota *cp = '\0'; 4651ca93273Seota /* ignore comment or blank lines */ 4661ca93273Seota if (is_blank(line)) 4671ca93273Seota continue; 4681ca93273Seota /* sanity-check */ 4697c478bd9Sstevel@tonic-gate if (sscanf(line, "%s%s", drv, entry) != 2) { 4707c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_BAD_LINE), 4717c478bd9Sstevel@tonic-gate filename, line); 4727c478bd9Sstevel@tonic-gate continue; 4737c478bd9Sstevel@tonic-gate } 4747c478bd9Sstevel@tonic-gate maj = atoi(entry); 4757c478bd9Sstevel@tonic-gate if (maj > size) 4767c478bd9Sstevel@tonic-gate size = maj; 4777c478bd9Sstevel@tonic-gate } 4787c478bd9Sstevel@tonic-gate 4797c478bd9Sstevel@tonic-gate /* allocate struct to cache the file */ 4807c478bd9Sstevel@tonic-gate ptr = (struct n_to_m_cache *)calloc(1, 4817c478bd9Sstevel@tonic-gate sizeof (struct n_to_m_cache)); 4827c478bd9Sstevel@tonic-gate if (ptr == NULL) { 4837c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_NO_MEM)); 4847c478bd9Sstevel@tonic-gate return (ERROR); 4857c478bd9Sstevel@tonic-gate } 4867c478bd9Sstevel@tonic-gate ptr->size = size + 1; 4877c478bd9Sstevel@tonic-gate /* allocate space to cache contents of file */ 4887c478bd9Sstevel@tonic-gate ptr->cached_file = (char **)calloc(ptr->size, sizeof (char *)); 4897c478bd9Sstevel@tonic-gate if (ptr->cached_file == NULL) { 4907c478bd9Sstevel@tonic-gate free(ptr); 4917c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_NO_MEM)); 4927c478bd9Sstevel@tonic-gate return (ERROR); 4937c478bd9Sstevel@tonic-gate } 4947c478bd9Sstevel@tonic-gate 4957c478bd9Sstevel@tonic-gate rewind(fp); 4967c478bd9Sstevel@tonic-gate 4977c478bd9Sstevel@tonic-gate /* 4987c478bd9Sstevel@tonic-gate * now fill the cache 4997c478bd9Sstevel@tonic-gate * the cache is an array of char pointers indexed by major 5007c478bd9Sstevel@tonic-gate * number 5017c478bd9Sstevel@tonic-gate */ 5027c478bd9Sstevel@tonic-gate while (fgets(line, sizeof (line), fp) != NULL) { 5031ca93273Seota /* cut off comments starting with '#' */ 5041ca93273Seota if ((cp = strchr(line, '#')) != NULL) 5051ca93273Seota *cp = '\0'; 5061ca93273Seota /* ignore comment or blank lines */ 5071ca93273Seota if (is_blank(line)) 5081ca93273Seota continue; 5091ca93273Seota /* sanity-check */ 5107c478bd9Sstevel@tonic-gate if (sscanf(line, "%s%s", drv, entry) != 2) { 5117c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_BAD_LINE), 5127c478bd9Sstevel@tonic-gate filename, line); 5137c478bd9Sstevel@tonic-gate continue; 5147c478bd9Sstevel@tonic-gate } 5157c478bd9Sstevel@tonic-gate maj = atoi(entry); 5167c478bd9Sstevel@tonic-gate if ((ptr->cached_file[maj] = strdup(drv)) == NULL) { 5177c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_NO_MEM)); 5187c478bd9Sstevel@tonic-gate free(ptr->cached_file); 5197c478bd9Sstevel@tonic-gate free(ptr); 5207c478bd9Sstevel@tonic-gate return (ERROR); 5217c478bd9Sstevel@tonic-gate } 5227c478bd9Sstevel@tonic-gate (void) strcpy(ptr->cached_file[maj], drv); 5237c478bd9Sstevel@tonic-gate } 5247c478bd9Sstevel@tonic-gate (void) fclose(fp); 5257c478bd9Sstevel@tonic-gate /* link the cache struct into the list of cached files */ 5267c478bd9Sstevel@tonic-gate ptr->file = strdup(filename); 5277c478bd9Sstevel@tonic-gate if (ptr->file == NULL) { 5287c478bd9Sstevel@tonic-gate for (maj = 0; maj <= ptr->size; maj++) 5297c478bd9Sstevel@tonic-gate free(ptr->cached_file[maj]); 5307c478bd9Sstevel@tonic-gate free(ptr->cached_file); 5317c478bd9Sstevel@tonic-gate free(ptr); 5327c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_NO_MEM)); 5337c478bd9Sstevel@tonic-gate return (ERROR); 5347c478bd9Sstevel@tonic-gate } 5357c478bd9Sstevel@tonic-gate ptr->next = head; 5367c478bd9Sstevel@tonic-gate head = ptr; 5377c478bd9Sstevel@tonic-gate } 5387c478bd9Sstevel@tonic-gate /* return value pointer to contents of file */ 5397c478bd9Sstevel@tonic-gate *cache = ptr->cached_file; 5407c478bd9Sstevel@tonic-gate 5417c478bd9Sstevel@tonic-gate /* return size */ 5427c478bd9Sstevel@tonic-gate return (ptr->size); 5437c478bd9Sstevel@tonic-gate } 5447c478bd9Sstevel@tonic-gate 5457c478bd9Sstevel@tonic-gate 5467c478bd9Sstevel@tonic-gate /* 5477c478bd9Sstevel@tonic-gate * Using get_cached_n_to_m_file(), retrieve maximum major number 5487c478bd9Sstevel@tonic-gate * found in the specificed file (name_to_major/rem_name_to_major). 5497c478bd9Sstevel@tonic-gate * 5507c478bd9Sstevel@tonic-gate * The return value is actually the size of the internal cache including 0. 5517c478bd9Sstevel@tonic-gate */ 5527c478bd9Sstevel@tonic-gate int 5537c478bd9Sstevel@tonic-gate get_max_major(char *file_name) 5547c478bd9Sstevel@tonic-gate { 5557c478bd9Sstevel@tonic-gate char **n_to_m_cache = NULL; 5567c478bd9Sstevel@tonic-gate 5577c478bd9Sstevel@tonic-gate return (get_cached_n_to_m_file(file_name, &n_to_m_cache)); 5587c478bd9Sstevel@tonic-gate } 5597c478bd9Sstevel@tonic-gate 5607c478bd9Sstevel@tonic-gate 5617c478bd9Sstevel@tonic-gate /* 5627c478bd9Sstevel@tonic-gate * searching name_to_major: if major_no == UNIQUE then the caller wants to 5637c478bd9Sstevel@tonic-gate * use the driver name as the key. Otherwise, the caller wants to use 5647c478bd9Sstevel@tonic-gate * the major number as a key. 5657c478bd9Sstevel@tonic-gate * 5667c478bd9Sstevel@tonic-gate * This routine caches the contents of the name_to_major file on 5677c478bd9Sstevel@tonic-gate * first call. And it could be generalized to deal with other 5687c478bd9Sstevel@tonic-gate * config files if necessary. 5697c478bd9Sstevel@tonic-gate */ 5707c478bd9Sstevel@tonic-gate static int 5717c478bd9Sstevel@tonic-gate get_name_to_major_entry(int *major_no, char *driver_name, char *file_name) 5727c478bd9Sstevel@tonic-gate { 5737c478bd9Sstevel@tonic-gate int maj; 5747c478bd9Sstevel@tonic-gate char **n_to_m_cache = NULL; 5757c478bd9Sstevel@tonic-gate int size = 0; 5767c478bd9Sstevel@tonic-gate 5777c478bd9Sstevel@tonic-gate int ret = NOT_UNIQUE; 5787c478bd9Sstevel@tonic-gate 5797c478bd9Sstevel@tonic-gate /* 5807c478bd9Sstevel@tonic-gate * read the file in - we cache it in case caller wants to 5817c478bd9Sstevel@tonic-gate * do multiple lookups 5827c478bd9Sstevel@tonic-gate */ 5837c478bd9Sstevel@tonic-gate size = get_cached_n_to_m_file(file_name, &n_to_m_cache); 5847c478bd9Sstevel@tonic-gate 5857c478bd9Sstevel@tonic-gate if (size == ERROR) 5867c478bd9Sstevel@tonic-gate return (ERROR); 5877c478bd9Sstevel@tonic-gate 5887c478bd9Sstevel@tonic-gate /* search with driver name as key */ 5897c478bd9Sstevel@tonic-gate if (*major_no == UNIQUE) { 5907c478bd9Sstevel@tonic-gate for (maj = 0; maj < size; maj++) { 5917c478bd9Sstevel@tonic-gate if ((n_to_m_cache[maj] != NULL) && 5927c478bd9Sstevel@tonic-gate (strcmp(driver_name, n_to_m_cache[maj]) == 0)) { 5937c478bd9Sstevel@tonic-gate *major_no = maj; 5947c478bd9Sstevel@tonic-gate break; 5957c478bd9Sstevel@tonic-gate } 5967c478bd9Sstevel@tonic-gate } 5977c478bd9Sstevel@tonic-gate if (maj >= size) 5987c478bd9Sstevel@tonic-gate ret = UNIQUE; 5997c478bd9Sstevel@tonic-gate /* search with major number as key */ 6007c478bd9Sstevel@tonic-gate } else { 6017c478bd9Sstevel@tonic-gate /* 6027c478bd9Sstevel@tonic-gate * Bugid 1254588, drvconfig dump core after loading driver 6037c478bd9Sstevel@tonic-gate * with major number bigger than entries defined in 6047c478bd9Sstevel@tonic-gate * /etc/name_to_major. 6057c478bd9Sstevel@tonic-gate */ 6067c478bd9Sstevel@tonic-gate if (*major_no >= size) 6077c478bd9Sstevel@tonic-gate return (UNIQUE); 6087c478bd9Sstevel@tonic-gate 6097c478bd9Sstevel@tonic-gate if (n_to_m_cache[*major_no] != NULL) { 6107c478bd9Sstevel@tonic-gate (void) strcpy(driver_name, n_to_m_cache[*major_no]); 6117c478bd9Sstevel@tonic-gate } else 6127c478bd9Sstevel@tonic-gate ret = UNIQUE; 6137c478bd9Sstevel@tonic-gate } 6147c478bd9Sstevel@tonic-gate return (ret); 6157c478bd9Sstevel@tonic-gate } 6167c478bd9Sstevel@tonic-gate 6177c478bd9Sstevel@tonic-gate /* 6187c478bd9Sstevel@tonic-gate * given pointer to member n in space separated list, return pointer 6197c478bd9Sstevel@tonic-gate * to member n+1, return member n 6207c478bd9Sstevel@tonic-gate */ 6217c478bd9Sstevel@tonic-gate char * 6227c478bd9Sstevel@tonic-gate get_entry( 6237c478bd9Sstevel@tonic-gate char *prev_member, 6247c478bd9Sstevel@tonic-gate char *current_entry, 6257c478bd9Sstevel@tonic-gate char separator) 6267c478bd9Sstevel@tonic-gate { 6277c478bd9Sstevel@tonic-gate char *ptr; 6287c478bd9Sstevel@tonic-gate 6297c478bd9Sstevel@tonic-gate ptr = prev_member; 6307c478bd9Sstevel@tonic-gate 6317c478bd9Sstevel@tonic-gate /* skip white space */ 6327c478bd9Sstevel@tonic-gate while (*ptr == '\t' || *ptr == ' ') 6337c478bd9Sstevel@tonic-gate ptr++; 6347c478bd9Sstevel@tonic-gate 6357c478bd9Sstevel@tonic-gate /* read thru the current entry */ 6367c478bd9Sstevel@tonic-gate while (*ptr != separator && *ptr != '\0') { 6377c478bd9Sstevel@tonic-gate *current_entry++ = *ptr++; 6387c478bd9Sstevel@tonic-gate } 6397c478bd9Sstevel@tonic-gate *current_entry = '\0'; 6407c478bd9Sstevel@tonic-gate 6417c478bd9Sstevel@tonic-gate if ((separator == ',') && (*ptr == separator)) 6427c478bd9Sstevel@tonic-gate ptr++; /* skip over comma */ 6437c478bd9Sstevel@tonic-gate 6447c478bd9Sstevel@tonic-gate /* skip white space */ 6457c478bd9Sstevel@tonic-gate while (*ptr == '\t' || *ptr == ' ') { 6467c478bd9Sstevel@tonic-gate ptr++; 6477c478bd9Sstevel@tonic-gate } 6487c478bd9Sstevel@tonic-gate 6497c478bd9Sstevel@tonic-gate return (ptr); 6507c478bd9Sstevel@tonic-gate } 6517c478bd9Sstevel@tonic-gate 6527c478bd9Sstevel@tonic-gate void 6537c478bd9Sstevel@tonic-gate enter_lock(void) 6547c478bd9Sstevel@tonic-gate { 655*49e92448Svikram struct flock lock; 6567c478bd9Sstevel@tonic-gate 6577c478bd9Sstevel@tonic-gate /* 6587c478bd9Sstevel@tonic-gate * attempt to create the lock file 6597c478bd9Sstevel@tonic-gate */ 660*49e92448Svikram add_rem_lock_fd = open(add_rem_lock, O_CREAT|O_RDWR, S_IRUSR|S_IWUSR); 661*49e92448Svikram if (add_rem_lock_fd < 0) { 662*49e92448Svikram (void) fprintf(stderr, gettext(ERR_CREAT_LOCK), 663*49e92448Svikram add_rem_lock, strerror(errno)); 664*49e92448Svikram exit(1); 665*49e92448Svikram } 666*49e92448Svikram 667*49e92448Svikram lock.l_type = F_WRLCK; 668*49e92448Svikram lock.l_whence = SEEK_SET; 669*49e92448Svikram lock.l_start = 0; 670*49e92448Svikram lock.l_len = 0; 671*49e92448Svikram 672*49e92448Svikram /* Try for the lock but don't wait. */ 673*49e92448Svikram if (fcntl(add_rem_lock_fd, F_SETLK, &lock) == -1) { 674*49e92448Svikram if (errno == EACCES || errno == EAGAIN) { 6757c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_PROG_IN_USE)); 6767c478bd9Sstevel@tonic-gate } else { 677*49e92448Svikram (void) fprintf(stderr, gettext(ERR_LOCK), 678*49e92448Svikram add_rem_lock, strerror(errno)); 6797c478bd9Sstevel@tonic-gate } 6807c478bd9Sstevel@tonic-gate exit(1); 6817c478bd9Sstevel@tonic-gate } 6827c478bd9Sstevel@tonic-gate } 6837c478bd9Sstevel@tonic-gate 6847c478bd9Sstevel@tonic-gate void 6857c478bd9Sstevel@tonic-gate err_exit(void) 6867c478bd9Sstevel@tonic-gate { 6877c478bd9Sstevel@tonic-gate /* release memory allocated for moddir */ 6887c478bd9Sstevel@tonic-gate cleanup_moddir(); 6897c478bd9Sstevel@tonic-gate /* remove add_drv/rem_drv lock */ 6907c478bd9Sstevel@tonic-gate exit_unlock(); 6917c478bd9Sstevel@tonic-gate exit(1); 6927c478bd9Sstevel@tonic-gate } 6937c478bd9Sstevel@tonic-gate 6947c478bd9Sstevel@tonic-gate void 6957c478bd9Sstevel@tonic-gate cleanup_moddir(void) 6967c478bd9Sstevel@tonic-gate { 6977c478bd9Sstevel@tonic-gate struct drvmod_dir *walk_ptr; 6987c478bd9Sstevel@tonic-gate struct drvmod_dir *free_ptr = moddir; 6997c478bd9Sstevel@tonic-gate 7007c478bd9Sstevel@tonic-gate while (free_ptr != NULL) { 7017c478bd9Sstevel@tonic-gate walk_ptr = free_ptr->next; 7027c478bd9Sstevel@tonic-gate free(free_ptr); 7037c478bd9Sstevel@tonic-gate free_ptr = walk_ptr; 7047c478bd9Sstevel@tonic-gate } 7057c478bd9Sstevel@tonic-gate } 7067c478bd9Sstevel@tonic-gate 7077c478bd9Sstevel@tonic-gate void 7087c478bd9Sstevel@tonic-gate exit_unlock(void) 7097c478bd9Sstevel@tonic-gate { 710*49e92448Svikram struct flock unlock; 7117c478bd9Sstevel@tonic-gate 712*49e92448Svikram if (add_rem_lock_fd < 0) 713*49e92448Svikram return; 714*49e92448Svikram 715*49e92448Svikram unlock.l_type = F_UNLCK; 716*49e92448Svikram unlock.l_whence = SEEK_SET; 717*49e92448Svikram unlock.l_start = 0; 718*49e92448Svikram unlock.l_len = 0; 719*49e92448Svikram 720*49e92448Svikram if (fcntl(add_rem_lock_fd, F_SETLK, &unlock) == -1) { 721*49e92448Svikram (void) fprintf(stderr, gettext(ERR_UNLOCK), 722*49e92448Svikram add_rem_lock, strerror(errno)); 723*49e92448Svikram } else { 724*49e92448Svikram (void) close(add_rem_lock_fd); 725*49e92448Svikram add_rem_lock_fd = -1; 7267c478bd9Sstevel@tonic-gate } 7277c478bd9Sstevel@tonic-gate } 7287c478bd9Sstevel@tonic-gate 7297c478bd9Sstevel@tonic-gate /* 7307c478bd9Sstevel@tonic-gate * error adding driver; need to back out any changes to files. 7317c478bd9Sstevel@tonic-gate * check flag to see which files need entries removed 7327c478bd9Sstevel@tonic-gate * entry removal based on driver name 7337c478bd9Sstevel@tonic-gate */ 7347c478bd9Sstevel@tonic-gate void 7357c478bd9Sstevel@tonic-gate remove_entry( 7367c478bd9Sstevel@tonic-gate int c_flag, 7377c478bd9Sstevel@tonic-gate char *driver_name) 7387c478bd9Sstevel@tonic-gate { 7397c478bd9Sstevel@tonic-gate 7407c478bd9Sstevel@tonic-gate if (c_flag & CLEAN_NAM_MAJ) { 7417c478bd9Sstevel@tonic-gate if (delete_entry(name_to_major, driver_name, " ", 7427c478bd9Sstevel@tonic-gate NULL) == ERROR) { 7437c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_NO_CLEAN), 7447c478bd9Sstevel@tonic-gate name_to_major, driver_name); 7457c478bd9Sstevel@tonic-gate } 7467c478bd9Sstevel@tonic-gate } 7477c478bd9Sstevel@tonic-gate 7487c478bd9Sstevel@tonic-gate if (c_flag & CLEAN_DRV_ALIAS) { 7497c478bd9Sstevel@tonic-gate if (delete_entry(driver_aliases, driver_name, " ", 7507c478bd9Sstevel@tonic-gate NULL) == ERROR) { 7517c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_DEL_ENTRY), 7527c478bd9Sstevel@tonic-gate driver_name, driver_aliases); 7537c478bd9Sstevel@tonic-gate } 7547c478bd9Sstevel@tonic-gate } 7557c478bd9Sstevel@tonic-gate 7567c478bd9Sstevel@tonic-gate if (c_flag & CLEAN_DRV_CLASSES) { 7577c478bd9Sstevel@tonic-gate if (delete_entry(driver_classes, driver_name, "\t", NULL) == 7587c478bd9Sstevel@tonic-gate ERROR) { 7597c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_DEL_ENTRY), 7607c478bd9Sstevel@tonic-gate driver_name, driver_classes); 7617c478bd9Sstevel@tonic-gate } 7627c478bd9Sstevel@tonic-gate } 7637c478bd9Sstevel@tonic-gate 7647c478bd9Sstevel@tonic-gate if (c_flag & CLEAN_MINOR_PERM) { 7657c478bd9Sstevel@tonic-gate if (delete_entry(minor_perm, driver_name, ":", NULL) == ERROR) { 7667c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_DEL_ENTRY), 7677c478bd9Sstevel@tonic-gate driver_name, minor_perm); 7687c478bd9Sstevel@tonic-gate } 7697c478bd9Sstevel@tonic-gate } 7707c478bd9Sstevel@tonic-gate /* 7717c478bd9Sstevel@tonic-gate * There's no point in removing entries from files that don't 7727c478bd9Sstevel@tonic-gate * exist. Prevent error messages by checking for file existence 7737c478bd9Sstevel@tonic-gate * first. 7747c478bd9Sstevel@tonic-gate */ 7757c478bd9Sstevel@tonic-gate if ((c_flag & CLEAN_DEV_POLICY) != 0 && 7767c478bd9Sstevel@tonic-gate access(device_policy, F_OK) == 0) { 7777c478bd9Sstevel@tonic-gate if (delete_plcy_entry(device_policy, driver_name) == ERROR) { 7787c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_DEL_ENTRY), 7797c478bd9Sstevel@tonic-gate driver_name, device_policy); 7807c478bd9Sstevel@tonic-gate } 7817c478bd9Sstevel@tonic-gate } 7827c478bd9Sstevel@tonic-gate if ((c_flag & CLEAN_DRV_PRIV) != 0 && 7837c478bd9Sstevel@tonic-gate access(extra_privs, F_OK) == 0) { 7847c478bd9Sstevel@tonic-gate if (delete_entry(extra_privs, driver_name, ":", NULL) == 7857c478bd9Sstevel@tonic-gate ERROR) { 7867c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_DEL_ENTRY), 7877c478bd9Sstevel@tonic-gate driver_name, extra_privs); 7887c478bd9Sstevel@tonic-gate } 7897c478bd9Sstevel@tonic-gate } 7907c478bd9Sstevel@tonic-gate } 7917c478bd9Sstevel@tonic-gate 7927c478bd9Sstevel@tonic-gate int 7937c478bd9Sstevel@tonic-gate check_perms_aliases( 7947c478bd9Sstevel@tonic-gate int m_flag, 7957c478bd9Sstevel@tonic-gate int i_flag) 7967c478bd9Sstevel@tonic-gate { 7977c478bd9Sstevel@tonic-gate /* 7987c478bd9Sstevel@tonic-gate * If neither i_flag nor m_flag are specified no need to check the 7997c478bd9Sstevel@tonic-gate * files for access permissions 8007c478bd9Sstevel@tonic-gate */ 8017c478bd9Sstevel@tonic-gate if (!m_flag && !i_flag) 8027c478bd9Sstevel@tonic-gate return (NOERR); 8037c478bd9Sstevel@tonic-gate 8047c478bd9Sstevel@tonic-gate /* check minor_perm file : exits and is writable */ 8057c478bd9Sstevel@tonic-gate if (m_flag) { 8067c478bd9Sstevel@tonic-gate if (access(minor_perm, R_OK | W_OK)) { 8077c478bd9Sstevel@tonic-gate perror(NULL); 8087c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_CANT_ACCESS_FILE), 8097c478bd9Sstevel@tonic-gate minor_perm); 8107c478bd9Sstevel@tonic-gate return (ERROR); 8117c478bd9Sstevel@tonic-gate } 8127c478bd9Sstevel@tonic-gate } 8137c478bd9Sstevel@tonic-gate 8147c478bd9Sstevel@tonic-gate /* check driver_aliases file : exits and is writable */ 8157c478bd9Sstevel@tonic-gate if (i_flag) { 8167c478bd9Sstevel@tonic-gate if (access(driver_aliases, R_OK | W_OK)) { 8177c478bd9Sstevel@tonic-gate perror(NULL); 8187c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_CANT_ACCESS_FILE), 8197c478bd9Sstevel@tonic-gate driver_aliases); 8207c478bd9Sstevel@tonic-gate return (ERROR); 8217c478bd9Sstevel@tonic-gate } 8227c478bd9Sstevel@tonic-gate } 8237c478bd9Sstevel@tonic-gate 8247c478bd9Sstevel@tonic-gate return (NOERR); 8257c478bd9Sstevel@tonic-gate } 8267c478bd9Sstevel@tonic-gate 8277c478bd9Sstevel@tonic-gate 8287c478bd9Sstevel@tonic-gate int 8297c478bd9Sstevel@tonic-gate check_name_to_major(int mode) 8307c478bd9Sstevel@tonic-gate { 8317c478bd9Sstevel@tonic-gate /* check name_to_major file : exists and is writable */ 8327c478bd9Sstevel@tonic-gate if (access(name_to_major, mode)) { 8337c478bd9Sstevel@tonic-gate perror(NULL); 8347c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_CANT_ACCESS_FILE), 8357c478bd9Sstevel@tonic-gate name_to_major); 8367c478bd9Sstevel@tonic-gate return (ERROR); 8377c478bd9Sstevel@tonic-gate } 8387c478bd9Sstevel@tonic-gate 8397c478bd9Sstevel@tonic-gate return (NOERR); 8407c478bd9Sstevel@tonic-gate } 8417c478bd9Sstevel@tonic-gate 8427c478bd9Sstevel@tonic-gate 8437c478bd9Sstevel@tonic-gate /* 8447c478bd9Sstevel@tonic-gate * All this stuff is to support a server installing 8457c478bd9Sstevel@tonic-gate * drivers on diskless clients. When on the server 8467c478bd9Sstevel@tonic-gate * need to prepend the basedir 8477c478bd9Sstevel@tonic-gate */ 8487c478bd9Sstevel@tonic-gate int 8497c478bd9Sstevel@tonic-gate build_filenames(char *basedir) 8507c478bd9Sstevel@tonic-gate { 8517c478bd9Sstevel@tonic-gate int len; 8527c478bd9Sstevel@tonic-gate 8537c478bd9Sstevel@tonic-gate if (basedir == NULL) { 8547c478bd9Sstevel@tonic-gate driver_aliases = DRIVER_ALIAS; 8557c478bd9Sstevel@tonic-gate driver_classes = DRIVER_CLASSES; 8567c478bd9Sstevel@tonic-gate minor_perm = MINOR_PERM; 8577c478bd9Sstevel@tonic-gate name_to_major = NAM_TO_MAJ; 8587c478bd9Sstevel@tonic-gate rem_name_to_major = REM_NAM_TO_MAJ; 8597c478bd9Sstevel@tonic-gate add_rem_lock = ADD_REM_LOCK; 8607c478bd9Sstevel@tonic-gate tmphold = TMPHOLD; 8617c478bd9Sstevel@tonic-gate devfs_root = DEVFS_ROOT; 8627c478bd9Sstevel@tonic-gate device_policy = DEV_POLICY; 8637c478bd9Sstevel@tonic-gate extra_privs = EXTRA_PRIVS; 8647c478bd9Sstevel@tonic-gate 8657c478bd9Sstevel@tonic-gate } else { 8667c478bd9Sstevel@tonic-gate len = strlen(basedir); 8677c478bd9Sstevel@tonic-gate 8687c478bd9Sstevel@tonic-gate driver_aliases = malloc(len + sizeof (DRIVER_ALIAS)); 8697c478bd9Sstevel@tonic-gate driver_classes = malloc(len + sizeof (DRIVER_CLASSES)); 8707c478bd9Sstevel@tonic-gate minor_perm = malloc(len + sizeof (MINOR_PERM)); 8717c478bd9Sstevel@tonic-gate name_to_major = malloc(len + sizeof (NAM_TO_MAJ)); 8727c478bd9Sstevel@tonic-gate rem_name_to_major = malloc(len + sizeof (REM_NAM_TO_MAJ)); 8737c478bd9Sstevel@tonic-gate add_rem_lock = malloc(len + sizeof (ADD_REM_LOCK)); 8747c478bd9Sstevel@tonic-gate tmphold = malloc(len + sizeof (TMPHOLD)); 8757c478bd9Sstevel@tonic-gate devfs_root = malloc(len + sizeof (DEVFS_ROOT)); 8767c478bd9Sstevel@tonic-gate device_policy = malloc(len + sizeof (DEV_POLICY)); 8777c478bd9Sstevel@tonic-gate extra_privs = malloc(len + sizeof (EXTRA_PRIVS)); 8787c478bd9Sstevel@tonic-gate 8797c478bd9Sstevel@tonic-gate 8807c478bd9Sstevel@tonic-gate if ((driver_aliases == NULL) || 8817c478bd9Sstevel@tonic-gate (driver_classes == NULL) || 8827c478bd9Sstevel@tonic-gate (minor_perm == NULL) || 8837c478bd9Sstevel@tonic-gate (name_to_major == NULL) || 8847c478bd9Sstevel@tonic-gate (rem_name_to_major == NULL) || 8857c478bd9Sstevel@tonic-gate (add_rem_lock == NULL) || 8867c478bd9Sstevel@tonic-gate (tmphold == NULL) || 8877c478bd9Sstevel@tonic-gate (devfs_root == NULL) || 8887c478bd9Sstevel@tonic-gate (device_policy == NULL) || 8897c478bd9Sstevel@tonic-gate (extra_privs == NULL)) { 8907c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_NO_MEM)); 8917c478bd9Sstevel@tonic-gate return (ERROR); 8927c478bd9Sstevel@tonic-gate } 8937c478bd9Sstevel@tonic-gate 8947c478bd9Sstevel@tonic-gate (void) sprintf(driver_aliases, "%s%s", basedir, DRIVER_ALIAS); 8957c478bd9Sstevel@tonic-gate (void) sprintf(driver_classes, "%s%s", basedir, DRIVER_CLASSES); 8967c478bd9Sstevel@tonic-gate (void) sprintf(minor_perm, "%s%s", basedir, MINOR_PERM); 8977c478bd9Sstevel@tonic-gate (void) sprintf(name_to_major, "%s%s", basedir, NAM_TO_MAJ); 8987c478bd9Sstevel@tonic-gate (void) sprintf(rem_name_to_major, "%s%s", basedir, 8997c478bd9Sstevel@tonic-gate REM_NAM_TO_MAJ); 9007c478bd9Sstevel@tonic-gate (void) sprintf(add_rem_lock, "%s%s", basedir, ADD_REM_LOCK); 9017c478bd9Sstevel@tonic-gate (void) sprintf(tmphold, "%s%s", basedir, TMPHOLD); 9027c478bd9Sstevel@tonic-gate (void) sprintf(devfs_root, "%s%s", basedir, DEVFS_ROOT); 9037c478bd9Sstevel@tonic-gate (void) sprintf(device_policy, "%s%s", basedir, DEV_POLICY); 9047c478bd9Sstevel@tonic-gate (void) sprintf(extra_privs, "%s%s", basedir, EXTRA_PRIVS); 9057c478bd9Sstevel@tonic-gate } 9067c478bd9Sstevel@tonic-gate 9077c478bd9Sstevel@tonic-gate return (NOERR); 9087c478bd9Sstevel@tonic-gate } 9097c478bd9Sstevel@tonic-gate 9107c478bd9Sstevel@tonic-gate static int 9117c478bd9Sstevel@tonic-gate exec_command(char *path, char *cmdline[MAX_CMD_LINE]) 9127c478bd9Sstevel@tonic-gate { 9137c478bd9Sstevel@tonic-gate pid_t pid; 9147c478bd9Sstevel@tonic-gate uint_t stat_loc; 9157c478bd9Sstevel@tonic-gate int waitstat; 9167c478bd9Sstevel@tonic-gate int exit_status; 9177c478bd9Sstevel@tonic-gate 9187c478bd9Sstevel@tonic-gate /* child */ 9197c478bd9Sstevel@tonic-gate if ((pid = fork()) == 0) { 9207c478bd9Sstevel@tonic-gate (void) execv(path, cmdline); 9217c478bd9Sstevel@tonic-gate perror(NULL); 9227c478bd9Sstevel@tonic-gate return (ERROR); 9237c478bd9Sstevel@tonic-gate } else if (pid == -1) { 9247c478bd9Sstevel@tonic-gate /* fork failed */ 9257c478bd9Sstevel@tonic-gate perror(NULL); 9267c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_FORK_FAIL), cmdline); 9277c478bd9Sstevel@tonic-gate return (ERROR); 9287c478bd9Sstevel@tonic-gate } else { 9297c478bd9Sstevel@tonic-gate /* parent */ 9307c478bd9Sstevel@tonic-gate do { 9317c478bd9Sstevel@tonic-gate waitstat = waitpid(pid, (int *)&stat_loc, 0); 9327c478bd9Sstevel@tonic-gate 9337c478bd9Sstevel@tonic-gate } while ((!WIFEXITED(stat_loc) && 9347c478bd9Sstevel@tonic-gate !WIFSIGNALED(stat_loc)) || (waitstat == 0)); 9357c478bd9Sstevel@tonic-gate 9367c478bd9Sstevel@tonic-gate exit_status = WEXITSTATUS(stat_loc); 9377c478bd9Sstevel@tonic-gate 9387c478bd9Sstevel@tonic-gate return (exit_status); 9397c478bd9Sstevel@tonic-gate } 9407c478bd9Sstevel@tonic-gate } 9417c478bd9Sstevel@tonic-gate 9427c478bd9Sstevel@tonic-gate /* 9437c478bd9Sstevel@tonic-gate * check that major_num doesn't exceed maximum on this machine 9447c478bd9Sstevel@tonic-gate * do this here to support add_drv on server for diskless clients 9457c478bd9Sstevel@tonic-gate */ 9467c478bd9Sstevel@tonic-gate int 9477c478bd9Sstevel@tonic-gate config_driver( 9487c478bd9Sstevel@tonic-gate char *driver_name, 9497c478bd9Sstevel@tonic-gate major_t major_num, 9507c478bd9Sstevel@tonic-gate char *aliases, 9517c478bd9Sstevel@tonic-gate char *classes, 9527c478bd9Sstevel@tonic-gate int cleanup_flag, 9537c478bd9Sstevel@tonic-gate int verbose_flag) 9547c478bd9Sstevel@tonic-gate { 9557c478bd9Sstevel@tonic-gate int max_dev; 9567c478bd9Sstevel@tonic-gate int n = 0; 9577c478bd9Sstevel@tonic-gate char *cmdline[MAX_CMD_LINE]; 9587c478bd9Sstevel@tonic-gate char maj_num[128]; 9597c478bd9Sstevel@tonic-gate char *previous; 9607c478bd9Sstevel@tonic-gate char *current; 9617c478bd9Sstevel@tonic-gate int exec_status; 9627c478bd9Sstevel@tonic-gate int len; 9637c478bd9Sstevel@tonic-gate 9647c478bd9Sstevel@tonic-gate if (modctl(MODRESERVED, NULL, &max_dev) < 0) { 9657c478bd9Sstevel@tonic-gate perror(NULL); 9667c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_MAX_MAJOR)); 9677c478bd9Sstevel@tonic-gate return (ERROR); 9687c478bd9Sstevel@tonic-gate } 9697c478bd9Sstevel@tonic-gate 9707c478bd9Sstevel@tonic-gate if (major_num >= max_dev) { 9717c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_MAX_EXCEEDS), 9727c478bd9Sstevel@tonic-gate major_num, max_dev); 9737c478bd9Sstevel@tonic-gate return (ERROR); 9747c478bd9Sstevel@tonic-gate } 9757c478bd9Sstevel@tonic-gate 9767c478bd9Sstevel@tonic-gate /* bind major number and driver name */ 9777c478bd9Sstevel@tonic-gate 9787c478bd9Sstevel@tonic-gate /* build command line */ 9797c478bd9Sstevel@tonic-gate cmdline[n++] = DRVCONFIG; 9807c478bd9Sstevel@tonic-gate if (verbose_flag) { 9817c478bd9Sstevel@tonic-gate cmdline[n++] = "-v"; 9827c478bd9Sstevel@tonic-gate } 9837c478bd9Sstevel@tonic-gate cmdline[n++] = "-b"; 9847c478bd9Sstevel@tonic-gate if (classes) { 9857c478bd9Sstevel@tonic-gate cmdline[n++] = "-c"; 9867c478bd9Sstevel@tonic-gate cmdline[n++] = classes; 9877c478bd9Sstevel@tonic-gate } 9887c478bd9Sstevel@tonic-gate cmdline[n++] = "-i"; 9897c478bd9Sstevel@tonic-gate cmdline[n++] = driver_name; 9907c478bd9Sstevel@tonic-gate cmdline[n++] = "-m"; 9917c478bd9Sstevel@tonic-gate (void) sprintf(maj_num, "%lu", major_num); 9927c478bd9Sstevel@tonic-gate cmdline[n++] = maj_num; 9937c478bd9Sstevel@tonic-gate 9947c478bd9Sstevel@tonic-gate if (aliases != NULL) { 9957c478bd9Sstevel@tonic-gate len = strlen(aliases); 9967c478bd9Sstevel@tonic-gate previous = aliases; 9977c478bd9Sstevel@tonic-gate do { 9987c478bd9Sstevel@tonic-gate cmdline[n++] = "-a"; 9997c478bd9Sstevel@tonic-gate cmdline[n] = calloc(len + 1, 1); 10007c478bd9Sstevel@tonic-gate if (cmdline[n] == NULL) { 10017c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 10027c478bd9Sstevel@tonic-gate gettext(ERR_NO_MEM)); 10037c478bd9Sstevel@tonic-gate return (ERROR); 10047c478bd9Sstevel@tonic-gate } 10057c478bd9Sstevel@tonic-gate current = get_entry(previous, 10067c478bd9Sstevel@tonic-gate cmdline[n++], ' '); 10077c478bd9Sstevel@tonic-gate previous = current; 10087c478bd9Sstevel@tonic-gate 10097c478bd9Sstevel@tonic-gate } while (*current != '\0'); 10107c478bd9Sstevel@tonic-gate 10117c478bd9Sstevel@tonic-gate } 10127c478bd9Sstevel@tonic-gate cmdline[n] = (char *)0; 10137c478bd9Sstevel@tonic-gate 10147c478bd9Sstevel@tonic-gate exec_status = exec_command(DRVCONFIG_PATH, cmdline); 10157c478bd9Sstevel@tonic-gate 10167c478bd9Sstevel@tonic-gate if (exec_status == NOERR) 10177c478bd9Sstevel@tonic-gate return (NOERR); 10187c478bd9Sstevel@tonic-gate perror(NULL); 10197c478bd9Sstevel@tonic-gate remove_entry(cleanup_flag, driver_name); 10207c478bd9Sstevel@tonic-gate return (ERROR); 10217c478bd9Sstevel@tonic-gate } 10227c478bd9Sstevel@tonic-gate 10237c478bd9Sstevel@tonic-gate void 10247c478bd9Sstevel@tonic-gate load_driver(char *driver_name, int verbose_flag) 10257c478bd9Sstevel@tonic-gate { 10267c478bd9Sstevel@tonic-gate int n = 0; 10277c478bd9Sstevel@tonic-gate char *cmdline[MAX_CMD_LINE]; 10287c478bd9Sstevel@tonic-gate int exec_status; 10297c478bd9Sstevel@tonic-gate 10307c478bd9Sstevel@tonic-gate /* build command line */ 10317c478bd9Sstevel@tonic-gate cmdline[n++] = DEVFSADM; 10327c478bd9Sstevel@tonic-gate if (verbose_flag) { 10337c478bd9Sstevel@tonic-gate cmdline[n++] = "-v"; 10347c478bd9Sstevel@tonic-gate } 10357c478bd9Sstevel@tonic-gate cmdline[n++] = "-i"; 10367c478bd9Sstevel@tonic-gate cmdline[n++] = driver_name; 10377c478bd9Sstevel@tonic-gate cmdline[n] = (char *)0; 10387c478bd9Sstevel@tonic-gate 10397c478bd9Sstevel@tonic-gate exec_status = exec_command(DEVFSADM_PATH, cmdline); 10407c478bd9Sstevel@tonic-gate 10417c478bd9Sstevel@tonic-gate if (exec_status != NOERR) { 10427c478bd9Sstevel@tonic-gate /* no clean : name and major number are bound */ 10437c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_CONFIG), 10447c478bd9Sstevel@tonic-gate driver_name); 10457c478bd9Sstevel@tonic-gate } 10467c478bd9Sstevel@tonic-gate } 10477c478bd9Sstevel@tonic-gate 10487c478bd9Sstevel@tonic-gate void 10497c478bd9Sstevel@tonic-gate get_modid(char *driver_name, int *mod) 10507c478bd9Sstevel@tonic-gate { 10517c478bd9Sstevel@tonic-gate struct modinfo modinfo; 10527c478bd9Sstevel@tonic-gate 10537c478bd9Sstevel@tonic-gate modinfo.mi_id = -1; 10547c478bd9Sstevel@tonic-gate modinfo.mi_info = MI_INFO_ALL; 10557c478bd9Sstevel@tonic-gate do { 10567c478bd9Sstevel@tonic-gate /* 10577c478bd9Sstevel@tonic-gate * If we are at the end of the list of loaded modules 10587c478bd9Sstevel@tonic-gate * then set *mod = -1 and return 10597c478bd9Sstevel@tonic-gate */ 10607c478bd9Sstevel@tonic-gate if (modctl(MODINFO, 0, &modinfo) < 0) { 10617c478bd9Sstevel@tonic-gate *mod = -1; 10627c478bd9Sstevel@tonic-gate return; 10637c478bd9Sstevel@tonic-gate } 10647c478bd9Sstevel@tonic-gate 10657c478bd9Sstevel@tonic-gate *mod = modinfo.mi_id; 10667c478bd9Sstevel@tonic-gate } while (strcmp(driver_name, modinfo.mi_name) != 0); 10677c478bd9Sstevel@tonic-gate } 10687c478bd9Sstevel@tonic-gate 10697c478bd9Sstevel@tonic-gate int 10707c478bd9Sstevel@tonic-gate create_reconfig(char *basedir) 10717c478bd9Sstevel@tonic-gate { 10727c478bd9Sstevel@tonic-gate char reconfig_file[MAXPATHLEN + FILENAME_MAX + 1]; 10737c478bd9Sstevel@tonic-gate FILE *reconfig_fp; 10747c478bd9Sstevel@tonic-gate 10757c478bd9Sstevel@tonic-gate if (basedir != NULL) { 10767c478bd9Sstevel@tonic-gate (void) strcpy(reconfig_file, basedir); 10777c478bd9Sstevel@tonic-gate (void) strcat(reconfig_file, RECONFIGURE); 10787c478bd9Sstevel@tonic-gate } else { 10797c478bd9Sstevel@tonic-gate (void) strcpy(reconfig_file, RECONFIGURE); 10807c478bd9Sstevel@tonic-gate } 10817c478bd9Sstevel@tonic-gate if ((reconfig_fp = fopen(reconfig_file, "a")) == NULL) 10827c478bd9Sstevel@tonic-gate return (ERROR); 10837c478bd9Sstevel@tonic-gate 10847c478bd9Sstevel@tonic-gate (void) fclose(reconfig_fp); 10857c478bd9Sstevel@tonic-gate return (NOERR); 10867c478bd9Sstevel@tonic-gate } 10877c478bd9Sstevel@tonic-gate 10887c478bd9Sstevel@tonic-gate 10897c478bd9Sstevel@tonic-gate /* 10907c478bd9Sstevel@tonic-gate * update_minor_entry: 10917c478bd9Sstevel@tonic-gate * open file 10927c478bd9Sstevel@tonic-gate * for each entry in list 10937c478bd9Sstevel@tonic-gate * where list entries are separated by <list_separator> 10947c478bd9Sstevel@tonic-gate * modify entry : driver_name <entry_separator> entry 10957c478bd9Sstevel@tonic-gate * close file 10967c478bd9Sstevel@tonic-gate * 10977c478bd9Sstevel@tonic-gate * return error/noerr 10987c478bd9Sstevel@tonic-gate */ 10997c478bd9Sstevel@tonic-gate int 11007c478bd9Sstevel@tonic-gate update_minor_entry(char *driver_name, char *perm_list) 11017c478bd9Sstevel@tonic-gate { 11027c478bd9Sstevel@tonic-gate FILE *fp; 11037c478bd9Sstevel@tonic-gate FILE *newfp; 11047c478bd9Sstevel@tonic-gate struct group *sysgrp; 11057c478bd9Sstevel@tonic-gate int match = 0; 11061ca93273Seota char line[MAX_DBFILE_ENTRY], *cp, *dup; 11071ca93273Seota char drv[FILENAME_MAX + 1], *drv_minor; 11087c478bd9Sstevel@tonic-gate char minor[FILENAME_MAX + 1], perm[OPT_LEN + 1]; 11097c478bd9Sstevel@tonic-gate char own[OPT_LEN + 1], grp[OPT_LEN + 1]; 11107c478bd9Sstevel@tonic-gate int status = NOERR, i; 11117c478bd9Sstevel@tonic-gate char *newfile, *tptr; 11127c478bd9Sstevel@tonic-gate extern void bzero(); 11137c478bd9Sstevel@tonic-gate 11147c478bd9Sstevel@tonic-gate if ((fp = fopen(minor_perm, "r")) == NULL) { 11157c478bd9Sstevel@tonic-gate perror(NULL); 11167c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_CANT_ACCESS_FILE), 11177c478bd9Sstevel@tonic-gate minor_perm); 11187c478bd9Sstevel@tonic-gate 11197c478bd9Sstevel@tonic-gate return (ERROR); 11207c478bd9Sstevel@tonic-gate } 11217c478bd9Sstevel@tonic-gate 11227c478bd9Sstevel@tonic-gate /* 11237c478bd9Sstevel@tonic-gate * Build filename for temporary file 11247c478bd9Sstevel@tonic-gate */ 11257c478bd9Sstevel@tonic-gate if ((tptr = calloc(strlen(minor_perm) + strlen(XEND) + 1, 1)) == NULL) { 11267c478bd9Sstevel@tonic-gate perror(NULL); 11277c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_NO_MEM)); 11287c478bd9Sstevel@tonic-gate } 11297c478bd9Sstevel@tonic-gate (void) strcpy(tptr, minor_perm); 11307c478bd9Sstevel@tonic-gate (void) strcat(tptr, XEND); 11317c478bd9Sstevel@tonic-gate 11327c478bd9Sstevel@tonic-gate /* 11337c478bd9Sstevel@tonic-gate * Set gid so we preserve group attribute. Ideally we wouldn't 11347c478bd9Sstevel@tonic-gate * assume a gid of "sys" but we can't undo the damage on already 11357c478bd9Sstevel@tonic-gate * installed systems unless we force the issue. 11367c478bd9Sstevel@tonic-gate */ 11377c478bd9Sstevel@tonic-gate if ((sysgrp = getgrnam("sys")) != NULL) { 11387c478bd9Sstevel@tonic-gate (void) setgid(sysgrp->gr_gid); 11397c478bd9Sstevel@tonic-gate } 11407c478bd9Sstevel@tonic-gate 11417c478bd9Sstevel@tonic-gate newfile = mktemp(tptr); 11427c478bd9Sstevel@tonic-gate if ((newfp = fopen(newfile, "w")) == NULL) { 11437c478bd9Sstevel@tonic-gate perror(NULL); 11447c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_CANT_ACCESS_FILE), 11457c478bd9Sstevel@tonic-gate newfile); 11467c478bd9Sstevel@tonic-gate return (ERROR); 11477c478bd9Sstevel@tonic-gate } 11487c478bd9Sstevel@tonic-gate 11497c478bd9Sstevel@tonic-gate if (sscanf(perm_list, "%s%s%s%s", minor, perm, own, grp) != 4) { 11507c478bd9Sstevel@tonic-gate status = ERROR; 11517c478bd9Sstevel@tonic-gate } 11527c478bd9Sstevel@tonic-gate 11537c478bd9Sstevel@tonic-gate while ((fgets(line, sizeof (line), fp) != NULL) && status == NOERR) { 11541ca93273Seota /* copy the whole line into dup */ 11551ca93273Seota if ((dup = strdup(line)) == NULL) { 11561ca93273Seota perror(NULL); 11571ca93273Seota (void) fprintf(stderr, gettext(ERR_NO_MEM)); 11581ca93273Seota status = ERROR; 11591ca93273Seota break; 11601ca93273Seota } 11611ca93273Seota /* cut off comments starting with '#' */ 11621ca93273Seota if ((cp = strchr(dup, '#')) != NULL) 11631ca93273Seota *cp = '\0'; 11641ca93273Seota /* ignore comment or blank lines */ 11651ca93273Seota if (is_blank(dup)) { 11661ca93273Seota if (fputs(line, newfp) == EOF) { 11677c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_UPDATE), 11687c478bd9Sstevel@tonic-gate minor_perm); 11697c478bd9Sstevel@tonic-gate status = ERROR; 11707c478bd9Sstevel@tonic-gate } 11711ca93273Seota free(dup); 11727c478bd9Sstevel@tonic-gate continue; 11737c478bd9Sstevel@tonic-gate } 11747c478bd9Sstevel@tonic-gate 11751ca93273Seota /* get the driver name */ 11761ca93273Seota if (sscanf(dup, "%s", drv) != 1) { 11777c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_BAD_LINE), 11787c478bd9Sstevel@tonic-gate minor_perm, line); 11797c478bd9Sstevel@tonic-gate status = ERROR; 11801ca93273Seota free(dup); 11811ca93273Seota break; 11827c478bd9Sstevel@tonic-gate } 11837c478bd9Sstevel@tonic-gate 11841ca93273Seota /* 11851ca93273Seota * get the minor name; place the NULL character at the 11861ca93273Seota * end of the driver name, then make the drv_minor 11871ca93273Seota * point to the first character of the minor name. 11881ca93273Seota * the line missing ':' must be treated as a broken one. 11891ca93273Seota */ 11901ca93273Seota i = strcspn(drv, ":"); 11911ca93273Seota if (i == strlen(drv)) { 11927c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_BAD_LINE), 11937c478bd9Sstevel@tonic-gate minor_perm, line); 11947c478bd9Sstevel@tonic-gate status = ERROR; 11951ca93273Seota free(dup); 11961ca93273Seota break; 11977c478bd9Sstevel@tonic-gate } 11981ca93273Seota drv[i] = '\0'; 11991ca93273Seota drv_minor = &drv[strlen(drv) + 1]; 12007c478bd9Sstevel@tonic-gate 12011ca93273Seota /* 12021ca93273Seota * compare both of the driver name and the minor name. 12031ca93273Seota * then the new line should be written to the file if 12041ca93273Seota * both of them match 12051ca93273Seota */ 12067c478bd9Sstevel@tonic-gate if ((strcmp(drv, driver_name) == 0) && 12077c478bd9Sstevel@tonic-gate (strcmp(minor, drv_minor) == 0)) { 12081ca93273Seota /* if it has a comment, keep it */ 12091ca93273Seota if (cp != NULL) { 12101ca93273Seota cp++; /* skip a terminator */ 12111ca93273Seota (void) sprintf(line, "%s:%s %s %s %s #%s\n", 12121ca93273Seota drv, minor, perm, own, grp, cp); 12131ca93273Seota } else { 12141ca93273Seota (void) sprintf(line, "%s:%s %s %s %s\n", 12151ca93273Seota drv, minor, perm, own, grp); 12161ca93273Seota } 12177c478bd9Sstevel@tonic-gate match = 1; 12187c478bd9Sstevel@tonic-gate } 12191ca93273Seota free(dup); 12207c478bd9Sstevel@tonic-gate 12211ca93273Seota /* update the file */ 12227c478bd9Sstevel@tonic-gate if ((fputs(line, newfp)) == EOF) { 12237c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_UPDATE), 12247c478bd9Sstevel@tonic-gate minor_perm); 12257c478bd9Sstevel@tonic-gate status = ERROR; 12267c478bd9Sstevel@tonic-gate } 12277c478bd9Sstevel@tonic-gate } 12287c478bd9Sstevel@tonic-gate 12297c478bd9Sstevel@tonic-gate if (!match) { 12307c478bd9Sstevel@tonic-gate (void) bzero(line, sizeof (&line[0])); 12317c478bd9Sstevel@tonic-gate (void) sprintf(line, "%s:%s %s %s %s\n", 12327c478bd9Sstevel@tonic-gate driver_name, minor, perm, own, grp); 12337c478bd9Sstevel@tonic-gate 12347c478bd9Sstevel@tonic-gate /* add the new entry */ 12357c478bd9Sstevel@tonic-gate if ((fputs(line, newfp)) == EOF) { 12367c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_UPDATE), minor_perm); 12377c478bd9Sstevel@tonic-gate status = ERROR; 12387c478bd9Sstevel@tonic-gate } 12397c478bd9Sstevel@tonic-gate } 12407c478bd9Sstevel@tonic-gate 12417c478bd9Sstevel@tonic-gate (void) fclose(fp); 12427c478bd9Sstevel@tonic-gate 12437c478bd9Sstevel@tonic-gate if (fflush(newfp) != 0 || fsync(fileno(newfp)) != 0) 12447c478bd9Sstevel@tonic-gate status = ERROR; 12457c478bd9Sstevel@tonic-gate 12467c478bd9Sstevel@tonic-gate (void) fclose(newfp); 12477c478bd9Sstevel@tonic-gate 12487c478bd9Sstevel@tonic-gate /* 12497c478bd9Sstevel@tonic-gate * if error, leave original file, delete new file 12507c478bd9Sstevel@tonic-gate * if noerr, replace original file with new file 12517c478bd9Sstevel@tonic-gate */ 12527c478bd9Sstevel@tonic-gate if (status == NOERR) { 12537c478bd9Sstevel@tonic-gate if (rename(minor_perm, tmphold) == -1) { 12547c478bd9Sstevel@tonic-gate perror(NULL); 12557c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_UPDATE), minor_perm); 12567c478bd9Sstevel@tonic-gate (void) unlink(newfile); 12577c478bd9Sstevel@tonic-gate return (ERROR); 12587c478bd9Sstevel@tonic-gate } else if (rename(newfile, minor_perm) == -1) { 12597c478bd9Sstevel@tonic-gate perror(NULL); 12607c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_UPDATE), minor_perm); 12617c478bd9Sstevel@tonic-gate (void) unlink(minor_perm); 12627c478bd9Sstevel@tonic-gate (void) unlink(newfile); 12637c478bd9Sstevel@tonic-gate if (link(tmphold, minor_perm) == -1) { 12647c478bd9Sstevel@tonic-gate perror(NULL); 12657c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_BAD_LINK), 12667c478bd9Sstevel@tonic-gate minor_perm, tmphold); 12677c478bd9Sstevel@tonic-gate } 12687c478bd9Sstevel@tonic-gate return (ERROR); 12697c478bd9Sstevel@tonic-gate } 12707c478bd9Sstevel@tonic-gate (void) unlink(tmphold); 12717c478bd9Sstevel@tonic-gate } else { 12727c478bd9Sstevel@tonic-gate /* 12737c478bd9Sstevel@tonic-gate * since there's an error, leave file alone; remove 12747c478bd9Sstevel@tonic-gate * new file 12757c478bd9Sstevel@tonic-gate */ 12767c478bd9Sstevel@tonic-gate if (unlink(newfile) == -1) { 12777c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_CANT_RM), newfile); 12787c478bd9Sstevel@tonic-gate } 12797c478bd9Sstevel@tonic-gate return (ERROR); 12807c478bd9Sstevel@tonic-gate } 12817c478bd9Sstevel@tonic-gate 12827c478bd9Sstevel@tonic-gate return (NOERR); 12837c478bd9Sstevel@tonic-gate 12847c478bd9Sstevel@tonic-gate } 12857c478bd9Sstevel@tonic-gate 12867c478bd9Sstevel@tonic-gate 12877c478bd9Sstevel@tonic-gate /* 12887c478bd9Sstevel@tonic-gate * list_entry: 12897c478bd9Sstevel@tonic-gate * open file 12907c478bd9Sstevel@tonic-gate * read thru file, listing all entries if first entry = driver_name 12917c478bd9Sstevel@tonic-gate * close 12927c478bd9Sstevel@tonic-gate */ 12937c478bd9Sstevel@tonic-gate void 12947c478bd9Sstevel@tonic-gate list_entry( 12957c478bd9Sstevel@tonic-gate char *oldfile, 12967c478bd9Sstevel@tonic-gate char *driver_name, 12977c478bd9Sstevel@tonic-gate char *marker) 12987c478bd9Sstevel@tonic-gate { 12997c478bd9Sstevel@tonic-gate FILE *fp; 13007c478bd9Sstevel@tonic-gate int i; 13011ca93273Seota char line[MAX_DBFILE_ENTRY], *cp; 13027c478bd9Sstevel@tonic-gate char drv[FILENAME_MAX + 1]; 13037c478bd9Sstevel@tonic-gate 13047c478bd9Sstevel@tonic-gate if ((fp = fopen(oldfile, "r")) == NULL) { 13057c478bd9Sstevel@tonic-gate perror(NULL); 13067c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_CANT_ACCESS_FILE), oldfile); 13077c478bd9Sstevel@tonic-gate 13087c478bd9Sstevel@tonic-gate return; 13097c478bd9Sstevel@tonic-gate } 13107c478bd9Sstevel@tonic-gate 13117c478bd9Sstevel@tonic-gate while (fgets(line, sizeof (line), fp) != NULL) { 13121ca93273Seota /* cut off comments starting with '#' */ 13131ca93273Seota if ((cp = strchr(line, '#')) != NULL) 13141ca93273Seota *cp = '\0'; 13151ca93273Seota /* ignore comment or blank lines */ 13161ca93273Seota if (is_blank(line)) 13177c478bd9Sstevel@tonic-gate continue; 13181ca93273Seota /* sanity-check */ 13197c478bd9Sstevel@tonic-gate if (sscanf(line, "%s", drv) != 1) { 13207c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_BAD_LINE), 13217c478bd9Sstevel@tonic-gate oldfile, line); 13227c478bd9Sstevel@tonic-gate } 13237c478bd9Sstevel@tonic-gate 13247c478bd9Sstevel@tonic-gate for (i = strcspn(drv, marker); i < FILENAME_MAX; i++) { 13257c478bd9Sstevel@tonic-gate drv[i] = '\0'; 13267c478bd9Sstevel@tonic-gate } 13277c478bd9Sstevel@tonic-gate 13287c478bd9Sstevel@tonic-gate if (strcmp(driver_name, drv) == 0) { 13297c478bd9Sstevel@tonic-gate (void) fprintf(stdout, "%s", line); 13307c478bd9Sstevel@tonic-gate } 13317c478bd9Sstevel@tonic-gate } 13327c478bd9Sstevel@tonic-gate 13337c478bd9Sstevel@tonic-gate (void) fclose(fp); 13347c478bd9Sstevel@tonic-gate } 13357c478bd9Sstevel@tonic-gate 13361ca93273Seota static boolean_t 13371ca93273Seota is_token(char *tok) 13381ca93273Seota { 13391ca93273Seota /* 13401ca93273Seota * Check the token here. According to IEEE1275 Open Firmware Boot 13411ca93273Seota * Standard, the name is composed of 1 to 31 letters, 13421ca93273Seota * digits and punctuation characters from the set ",._+-", and 13431ca93273Seota * uppercase and lowercase characters are considered distinct. 13441ca93273Seota * (ie. token := [a-zA-Z0-9,._+-]+, length(token) <= 31) 13451ca93273Seota * However, since either the definition of driver or aliase names is 13461ca93273Seota * not known well, only '#' is avoided explicitly. (the kernel lexical 13471ca93273Seota * analyzer treats it as a start of a comment) 13481ca93273Seota */ 13491ca93273Seota for (/* nothing */; *tok != '\0'; tok++) 13501ca93273Seota if (*tok == '#' || iscntrl(*tok)) 13511ca93273Seota return (B_FALSE); 13521ca93273Seota 13531ca93273Seota return (B_TRUE); 13541ca93273Seota } 13557c478bd9Sstevel@tonic-gate 13567c478bd9Sstevel@tonic-gate /* 13577c478bd9Sstevel@tonic-gate * check each entry in perm_list for: 13587c478bd9Sstevel@tonic-gate * 4 arguments 13597c478bd9Sstevel@tonic-gate * permission arg is in valid range 13607c478bd9Sstevel@tonic-gate * permlist entries separated by comma 13617c478bd9Sstevel@tonic-gate * return ERROR/NOERR 13627c478bd9Sstevel@tonic-gate */ 13637c478bd9Sstevel@tonic-gate int 13647c478bd9Sstevel@tonic-gate check_perm_opts(char *perm_list) 13657c478bd9Sstevel@tonic-gate { 13667c478bd9Sstevel@tonic-gate char *current_head; 13677c478bd9Sstevel@tonic-gate char *previous_head; 13687c478bd9Sstevel@tonic-gate char *one_entry; 13697c478bd9Sstevel@tonic-gate int i, len, scan_stat; 13707c478bd9Sstevel@tonic-gate char minor[FILENAME_MAX + 1]; 13717c478bd9Sstevel@tonic-gate char perm[OPT_LEN + 1]; 13727c478bd9Sstevel@tonic-gate char own[OPT_LEN + 1]; 13737c478bd9Sstevel@tonic-gate char grp[OPT_LEN + 1]; 13747c478bd9Sstevel@tonic-gate char dumb[OPT_LEN + 1]; 13757c478bd9Sstevel@tonic-gate int status = NOERR; 13767c478bd9Sstevel@tonic-gate int intperm; 13777c478bd9Sstevel@tonic-gate 13787c478bd9Sstevel@tonic-gate len = strlen(perm_list); 13797c478bd9Sstevel@tonic-gate 13807c478bd9Sstevel@tonic-gate if (len == 0) { 13817c478bd9Sstevel@tonic-gate return (ERROR); 13827c478bd9Sstevel@tonic-gate } 13837c478bd9Sstevel@tonic-gate 13847c478bd9Sstevel@tonic-gate one_entry = calloc(len + 1, 1); 13857c478bd9Sstevel@tonic-gate if (one_entry == NULL) { 13867c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_NO_MEM)); 13877c478bd9Sstevel@tonic-gate return (ERROR); 13887c478bd9Sstevel@tonic-gate } 13897c478bd9Sstevel@tonic-gate 13907c478bd9Sstevel@tonic-gate previous_head = perm_list; 13917c478bd9Sstevel@tonic-gate current_head = perm_list; 13927c478bd9Sstevel@tonic-gate 13937c478bd9Sstevel@tonic-gate while (*current_head != '\0') { 13947c478bd9Sstevel@tonic-gate 13957c478bd9Sstevel@tonic-gate for (i = 0; i <= len; i++) 13967c478bd9Sstevel@tonic-gate one_entry[i] = 0; 13977c478bd9Sstevel@tonic-gate 13987c478bd9Sstevel@tonic-gate current_head = get_entry(previous_head, one_entry, ','); 13997c478bd9Sstevel@tonic-gate 14007c478bd9Sstevel@tonic-gate previous_head = current_head; 14017c478bd9Sstevel@tonic-gate scan_stat = sscanf(one_entry, "%s%s%s%s%s", minor, perm, own, 14027c478bd9Sstevel@tonic-gate grp, dumb); 14037c478bd9Sstevel@tonic-gate 14047c478bd9Sstevel@tonic-gate if (scan_stat < 4) { 14057c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_MIS_TOK), 14067c478bd9Sstevel@tonic-gate "-m", one_entry); 14077c478bd9Sstevel@tonic-gate status = ERROR; 14087c478bd9Sstevel@tonic-gate } 14097c478bd9Sstevel@tonic-gate if (scan_stat > 4) { 14107c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_TOO_MANY_ARGS), 14117c478bd9Sstevel@tonic-gate "-m", one_entry); 14127c478bd9Sstevel@tonic-gate status = ERROR; 14137c478bd9Sstevel@tonic-gate } 14147c478bd9Sstevel@tonic-gate 14157c478bd9Sstevel@tonic-gate intperm = atoi(perm); 14167c478bd9Sstevel@tonic-gate if (intperm < 0000 || intperm > 4777) { 14177c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_BAD_MODE), perm); 14187c478bd9Sstevel@tonic-gate status = ERROR; 14197c478bd9Sstevel@tonic-gate } 14207c478bd9Sstevel@tonic-gate } 14217c478bd9Sstevel@tonic-gate 14227c478bd9Sstevel@tonic-gate free(one_entry); 14237c478bd9Sstevel@tonic-gate return (status); 14247c478bd9Sstevel@tonic-gate } 14257c478bd9Sstevel@tonic-gate 14267c478bd9Sstevel@tonic-gate 14277c478bd9Sstevel@tonic-gate /* 14287c478bd9Sstevel@tonic-gate * check each alias : 14297c478bd9Sstevel@tonic-gate * alias list members separated by white space 14307c478bd9Sstevel@tonic-gate * cannot exist as driver name in /etc/name_to_major 14317c478bd9Sstevel@tonic-gate * cannot exist as driver or alias name in /etc/driver_aliases 14327c478bd9Sstevel@tonic-gate */ 14337c478bd9Sstevel@tonic-gate int 14347c478bd9Sstevel@tonic-gate aliases_unique(char *aliases) 14357c478bd9Sstevel@tonic-gate { 14367c478bd9Sstevel@tonic-gate char *current_head; 14377c478bd9Sstevel@tonic-gate char *previous_head; 14387c478bd9Sstevel@tonic-gate char *one_entry; 14397c478bd9Sstevel@tonic-gate int i, len; 14407c478bd9Sstevel@tonic-gate int is_unique; 14417c478bd9Sstevel@tonic-gate 14427c478bd9Sstevel@tonic-gate len = strlen(aliases); 14437c478bd9Sstevel@tonic-gate 14447c478bd9Sstevel@tonic-gate one_entry = calloc(len + 1, 1); 14457c478bd9Sstevel@tonic-gate if (one_entry == NULL) { 14467c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_NO_MEM)); 14477c478bd9Sstevel@tonic-gate return (ERROR); 14487c478bd9Sstevel@tonic-gate } 14497c478bd9Sstevel@tonic-gate 14507c478bd9Sstevel@tonic-gate previous_head = aliases; 14517c478bd9Sstevel@tonic-gate 14527c478bd9Sstevel@tonic-gate do { 14537c478bd9Sstevel@tonic-gate for (i = 0; i <= len; i++) 14547c478bd9Sstevel@tonic-gate one_entry[i] = 0; 14557c478bd9Sstevel@tonic-gate 14567c478bd9Sstevel@tonic-gate current_head = get_entry(previous_head, one_entry, ' '); 14577c478bd9Sstevel@tonic-gate previous_head = current_head; 14587c478bd9Sstevel@tonic-gate 14597c478bd9Sstevel@tonic-gate if ((unique_driver_name(one_entry, name_to_major, 14607c478bd9Sstevel@tonic-gate &is_unique)) == ERROR) { 14617c478bd9Sstevel@tonic-gate free(one_entry); 14627c478bd9Sstevel@tonic-gate return (ERROR); 14637c478bd9Sstevel@tonic-gate } 14647c478bd9Sstevel@tonic-gate 14657c478bd9Sstevel@tonic-gate if (is_unique != UNIQUE) { 14667c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_ALIAS_IN_NAM_MAJ), 14677c478bd9Sstevel@tonic-gate one_entry); 14687c478bd9Sstevel@tonic-gate free(one_entry); 14697c478bd9Sstevel@tonic-gate return (ERROR); 14707c478bd9Sstevel@tonic-gate } 14717c478bd9Sstevel@tonic-gate 14727c478bd9Sstevel@tonic-gate if (unique_drv_alias(one_entry) != NOERR) { 14737c478bd9Sstevel@tonic-gate free(one_entry); 14747c478bd9Sstevel@tonic-gate return (ERROR); 14757c478bd9Sstevel@tonic-gate } 14767c478bd9Sstevel@tonic-gate 14771ca93273Seota if (!is_token(one_entry)) { 14781ca93273Seota (void) fprintf(stderr, gettext(ERR_BAD_TOK), 14791ca93273Seota "-i", one_entry); 14801ca93273Seota free(one_entry); 14811ca93273Seota return (ERROR); 14821ca93273Seota } 14831ca93273Seota 14847c478bd9Sstevel@tonic-gate } while (*current_head != '\0'); 14857c478bd9Sstevel@tonic-gate 14867c478bd9Sstevel@tonic-gate free(one_entry); 14877c478bd9Sstevel@tonic-gate 14887c478bd9Sstevel@tonic-gate return (NOERR); 14897c478bd9Sstevel@tonic-gate 14907c478bd9Sstevel@tonic-gate } 14917c478bd9Sstevel@tonic-gate 14927c478bd9Sstevel@tonic-gate 14937c478bd9Sstevel@tonic-gate int 14947c478bd9Sstevel@tonic-gate update_driver_aliases( 14957c478bd9Sstevel@tonic-gate char *driver_name, 14967c478bd9Sstevel@tonic-gate char *aliases) 14977c478bd9Sstevel@tonic-gate { 14987c478bd9Sstevel@tonic-gate /* make call to update the aliases file */ 14997c478bd9Sstevel@tonic-gate return (append_to_file(driver_name, aliases, driver_aliases, ' ', " ")); 15007c478bd9Sstevel@tonic-gate 15017c478bd9Sstevel@tonic-gate } 15027c478bd9Sstevel@tonic-gate 15037c478bd9Sstevel@tonic-gate 15047c478bd9Sstevel@tonic-gate int 15057c478bd9Sstevel@tonic-gate unique_drv_alias(char *drv_alias) 15067c478bd9Sstevel@tonic-gate { 15077c478bd9Sstevel@tonic-gate FILE *fp; 15087c478bd9Sstevel@tonic-gate char drv[FILENAME_MAX + 1]; 15091ca93273Seota char line[MAX_N2M_ALIAS_LINE + 1], *cp; 15107c478bd9Sstevel@tonic-gate char alias[FILENAME_MAX + 1]; 15117c478bd9Sstevel@tonic-gate int status = NOERR; 15127c478bd9Sstevel@tonic-gate 15137c478bd9Sstevel@tonic-gate fp = fopen(driver_aliases, "r"); 15147c478bd9Sstevel@tonic-gate 15157c478bd9Sstevel@tonic-gate if (fp != NULL) { 15167c478bd9Sstevel@tonic-gate while ((fgets(line, sizeof (line), fp) != 0) && 15177c478bd9Sstevel@tonic-gate status != ERROR) { 15181ca93273Seota /* cut off comments starting with '#' */ 15191ca93273Seota if ((cp = strchr(line, '#')) != NULL) 15201ca93273Seota *cp = '\0'; 15211ca93273Seota /* ignore comment or blank lines */ 15221ca93273Seota if (is_blank(line)) 15231ca93273Seota continue; 15241ca93273Seota /* sanity-check */ 15257c478bd9Sstevel@tonic-gate if (sscanf(line, "%s %s", drv, alias) != 2) 15267c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_BAD_LINE), 15277c478bd9Sstevel@tonic-gate driver_aliases, line); 15287c478bd9Sstevel@tonic-gate 15297c478bd9Sstevel@tonic-gate if ((strcmp(drv_alias, drv) == 0) || 15307c478bd9Sstevel@tonic-gate (strcmp(drv_alias, alias) == 0)) { 15317c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 15327c478bd9Sstevel@tonic-gate gettext(ERR_ALIAS_IN_USE), 15337c478bd9Sstevel@tonic-gate drv_alias); 15347c478bd9Sstevel@tonic-gate status = ERROR; 15357c478bd9Sstevel@tonic-gate } 15367c478bd9Sstevel@tonic-gate } 15377c478bd9Sstevel@tonic-gate (void) fclose(fp); 15387c478bd9Sstevel@tonic-gate return (status); 15397c478bd9Sstevel@tonic-gate } else { 15407c478bd9Sstevel@tonic-gate perror(NULL); 15417c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_CANT_OPEN), driver_aliases); 15427c478bd9Sstevel@tonic-gate return (ERROR); 15437c478bd9Sstevel@tonic-gate } 15447c478bd9Sstevel@tonic-gate 15457c478bd9Sstevel@tonic-gate } 15467c478bd9Sstevel@tonic-gate 15477c478bd9Sstevel@tonic-gate 15487c478bd9Sstevel@tonic-gate /* 15497c478bd9Sstevel@tonic-gate * search for driver_name in first field of file file_name 15507c478bd9Sstevel@tonic-gate * searching name_to_major and driver_aliases: name separated from rest of 15517c478bd9Sstevel@tonic-gate * line by blank 15527c478bd9Sstevel@tonic-gate * if there return 15537c478bd9Sstevel@tonic-gate * else return 15547c478bd9Sstevel@tonic-gate */ 15557c478bd9Sstevel@tonic-gate int 15567c478bd9Sstevel@tonic-gate unique_driver_name(char *driver_name, char *file_name, 15577c478bd9Sstevel@tonic-gate int *is_unique) 15587c478bd9Sstevel@tonic-gate { 15597c478bd9Sstevel@tonic-gate int ret; 15607c478bd9Sstevel@tonic-gate 15617c478bd9Sstevel@tonic-gate if ((ret = get_major_no(driver_name, file_name)) == ERROR) { 15627c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_CANT_ACCESS_FILE), 15637c478bd9Sstevel@tonic-gate file_name); 15647c478bd9Sstevel@tonic-gate } else { 15657c478bd9Sstevel@tonic-gate /* XXX */ 15667c478bd9Sstevel@tonic-gate /* check alias file for name collision */ 15677c478bd9Sstevel@tonic-gate if (unique_drv_alias(driver_name) == ERROR) { 15687c478bd9Sstevel@tonic-gate ret = ERROR; 15697c478bd9Sstevel@tonic-gate } else { 15707c478bd9Sstevel@tonic-gate if (ret != UNIQUE) 15717c478bd9Sstevel@tonic-gate *is_unique = NOT_UNIQUE; 15727c478bd9Sstevel@tonic-gate else 15737c478bd9Sstevel@tonic-gate *is_unique = ret; 15747c478bd9Sstevel@tonic-gate ret = NOERR; 15757c478bd9Sstevel@tonic-gate } 15767c478bd9Sstevel@tonic-gate } 15777c478bd9Sstevel@tonic-gate return (ret); 15787c478bd9Sstevel@tonic-gate } 15797c478bd9Sstevel@tonic-gate 15807c478bd9Sstevel@tonic-gate 15817c478bd9Sstevel@tonic-gate int 15827c478bd9Sstevel@tonic-gate check_space_within_quote(char *str) 15837c478bd9Sstevel@tonic-gate { 15847c478bd9Sstevel@tonic-gate register int i; 15857c478bd9Sstevel@tonic-gate register int len; 15867c478bd9Sstevel@tonic-gate int quoted = 0; 15877c478bd9Sstevel@tonic-gate 15887c478bd9Sstevel@tonic-gate len = strlen(str); 15897c478bd9Sstevel@tonic-gate for (i = 0; i < len; i++, str++) { 15907c478bd9Sstevel@tonic-gate if (*str == '"') { 15917c478bd9Sstevel@tonic-gate if (quoted == 0) 15927c478bd9Sstevel@tonic-gate quoted++; 15937c478bd9Sstevel@tonic-gate else 15947c478bd9Sstevel@tonic-gate quoted--; 15957c478bd9Sstevel@tonic-gate } else if (*str == ' ' && quoted) 15967c478bd9Sstevel@tonic-gate return (ERROR); 15977c478bd9Sstevel@tonic-gate } 15987c478bd9Sstevel@tonic-gate 15997c478bd9Sstevel@tonic-gate return (0); 16007c478bd9Sstevel@tonic-gate } 16017c478bd9Sstevel@tonic-gate 16027c478bd9Sstevel@tonic-gate 16037c478bd9Sstevel@tonic-gate /* 16047c478bd9Sstevel@tonic-gate * get major number 16057c478bd9Sstevel@tonic-gate * write driver_name major_num to name_to_major file 16067c478bd9Sstevel@tonic-gate * major_num returned in major_num 16077c478bd9Sstevel@tonic-gate * return success/failure 16087c478bd9Sstevel@tonic-gate */ 16097c478bd9Sstevel@tonic-gate int 16107c478bd9Sstevel@tonic-gate update_name_to_major(char *driver_name, major_t *major_num, int server) 16117c478bd9Sstevel@tonic-gate { 16127c478bd9Sstevel@tonic-gate char major[MAX_STR_MAJOR + 1]; 16137c478bd9Sstevel@tonic-gate struct stat buf; 16147c478bd9Sstevel@tonic-gate char *num_list; 16157c478bd9Sstevel@tonic-gate char drv_majnum_str[MAX_STR_MAJOR + 1]; 16167c478bd9Sstevel@tonic-gate int new_maj = -1; 16177c478bd9Sstevel@tonic-gate int i, tmp = 0, is_unique, have_rem_n2m = 0; 16187c478bd9Sstevel@tonic-gate int max_dev = 0; 16197c478bd9Sstevel@tonic-gate 16207c478bd9Sstevel@tonic-gate /* 16217c478bd9Sstevel@tonic-gate * if driver_name already in rem_name_to_major 16227c478bd9Sstevel@tonic-gate * delete entry from rem_nam_to_major 16237c478bd9Sstevel@tonic-gate * put entry into name_to_major 16247c478bd9Sstevel@tonic-gate */ 16257c478bd9Sstevel@tonic-gate 16267c478bd9Sstevel@tonic-gate if (stat(rem_name_to_major, &buf) == 0) { 16277c478bd9Sstevel@tonic-gate have_rem_n2m = 1; 16287c478bd9Sstevel@tonic-gate } 16297c478bd9Sstevel@tonic-gate 16307c478bd9Sstevel@tonic-gate if (have_rem_n2m) { 16317c478bd9Sstevel@tonic-gate if ((is_unique = get_major_no(driver_name, rem_name_to_major)) 16327c478bd9Sstevel@tonic-gate == ERROR) 16337c478bd9Sstevel@tonic-gate return (ERROR); 16347c478bd9Sstevel@tonic-gate 16357c478bd9Sstevel@tonic-gate /* 16367c478bd9Sstevel@tonic-gate * found a match in rem_name_to_major 16377c478bd9Sstevel@tonic-gate */ 16387c478bd9Sstevel@tonic-gate if (is_unique != UNIQUE) { 16397c478bd9Sstevel@tonic-gate char scratch[FILENAME_MAX]; 16407c478bd9Sstevel@tonic-gate 16417c478bd9Sstevel@tonic-gate /* 16427c478bd9Sstevel@tonic-gate * If there is a match in /etc/rem_name_to_major then 16437c478bd9Sstevel@tonic-gate * be paranoid: is that major number already in 16447c478bd9Sstevel@tonic-gate * /etc/name_to_major (potentially under another name)? 16457c478bd9Sstevel@tonic-gate */ 16467c478bd9Sstevel@tonic-gate if (get_driver_name(is_unique, name_to_major, 16477c478bd9Sstevel@tonic-gate scratch) != UNIQUE) { 16487c478bd9Sstevel@tonic-gate /* 16497c478bd9Sstevel@tonic-gate * nuke the rem_name_to_major entry-- it 16507c478bd9Sstevel@tonic-gate * isn't helpful. 16517c478bd9Sstevel@tonic-gate */ 16527c478bd9Sstevel@tonic-gate (void) delete_entry(rem_name_to_major, 16537c478bd9Sstevel@tonic-gate driver_name, " ", NULL); 16547c478bd9Sstevel@tonic-gate } else { 16557c478bd9Sstevel@tonic-gate (void) snprintf(major, sizeof (major), 16567c478bd9Sstevel@tonic-gate "%d", is_unique); 16577c478bd9Sstevel@tonic-gate 16587c478bd9Sstevel@tonic-gate if (append_to_file(driver_name, major, 16597c478bd9Sstevel@tonic-gate name_to_major, ' ', " ") == ERROR) { 16607c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 16617c478bd9Sstevel@tonic-gate gettext(ERR_NO_UPDATE), 16627c478bd9Sstevel@tonic-gate name_to_major); 16637c478bd9Sstevel@tonic-gate return (ERROR); 16647c478bd9Sstevel@tonic-gate } 16657c478bd9Sstevel@tonic-gate 16667c478bd9Sstevel@tonic-gate if (delete_entry(rem_name_to_major, 16677c478bd9Sstevel@tonic-gate driver_name, " ", NULL) == ERROR) { 16687c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 16697c478bd9Sstevel@tonic-gate gettext(ERR_DEL_ENTRY), driver_name, 16707c478bd9Sstevel@tonic-gate rem_name_to_major); 16717c478bd9Sstevel@tonic-gate return (ERROR); 16727c478bd9Sstevel@tonic-gate } 16737c478bd9Sstevel@tonic-gate 16747c478bd9Sstevel@tonic-gate /* found matching entry : no errors */ 16757c478bd9Sstevel@tonic-gate *major_num = is_unique; 16767c478bd9Sstevel@tonic-gate return (NOERR); 16777c478bd9Sstevel@tonic-gate } 16787c478bd9Sstevel@tonic-gate } 16797c478bd9Sstevel@tonic-gate } 16807c478bd9Sstevel@tonic-gate 16817c478bd9Sstevel@tonic-gate /* 16827c478bd9Sstevel@tonic-gate * Bugid: 1264079 16837c478bd9Sstevel@tonic-gate * In a server case (with -b option), we can't use modctl() to find 16847c478bd9Sstevel@tonic-gate * the maximum major number, we need to dig thru client's 16857c478bd9Sstevel@tonic-gate * /etc/name_to_major and /etc/rem_name_to_major for the max_dev. 16867c478bd9Sstevel@tonic-gate * 16877c478bd9Sstevel@tonic-gate * if (server) 16887c478bd9Sstevel@tonic-gate * get maximum major number thru (rem_)name_to_major file on client 16897c478bd9Sstevel@tonic-gate * else 16907c478bd9Sstevel@tonic-gate * get maximum major number allowable on current system using modctl 16917c478bd9Sstevel@tonic-gate */ 16927c478bd9Sstevel@tonic-gate if (server) { 16937c478bd9Sstevel@tonic-gate max_dev = 0; 16947c478bd9Sstevel@tonic-gate tmp = 0; 16957c478bd9Sstevel@tonic-gate 16967c478bd9Sstevel@tonic-gate max_dev = get_max_major(name_to_major); 16977c478bd9Sstevel@tonic-gate 16987c478bd9Sstevel@tonic-gate /* If rem_name_to_major exists, we need to check it too */ 16997c478bd9Sstevel@tonic-gate if (have_rem_n2m) { 17007c478bd9Sstevel@tonic-gate tmp = get_max_major(rem_name_to_major); 17017c478bd9Sstevel@tonic-gate 17027c478bd9Sstevel@tonic-gate /* 17037c478bd9Sstevel@tonic-gate * If name_to_major is missing, we can get max_dev from 17047c478bd9Sstevel@tonic-gate * /etc/rem_name_to_major. If both missing, bail out! 17057c478bd9Sstevel@tonic-gate */ 17067c478bd9Sstevel@tonic-gate if ((max_dev == ERROR) && (tmp == ERROR)) { 17077c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 17087c478bd9Sstevel@tonic-gate gettext(ERR_CANT_ACCESS_FILE), 17097c478bd9Sstevel@tonic-gate name_to_major); 17107c478bd9Sstevel@tonic-gate return (ERROR); 17117c478bd9Sstevel@tonic-gate } 17127c478bd9Sstevel@tonic-gate 17137c478bd9Sstevel@tonic-gate /* guard against bigger maj_num in rem_name_to_major */ 17147c478bd9Sstevel@tonic-gate if (tmp > max_dev) 17157c478bd9Sstevel@tonic-gate max_dev = tmp; 17167c478bd9Sstevel@tonic-gate } else { 17177c478bd9Sstevel@tonic-gate /* 17187c478bd9Sstevel@tonic-gate * If we can't get major from name_to_major file 17197c478bd9Sstevel@tonic-gate * and there is no /etc/rem_name_to_major file, 17207c478bd9Sstevel@tonic-gate * then we don't have a max_dev, bail out quick! 17217c478bd9Sstevel@tonic-gate */ 17227c478bd9Sstevel@tonic-gate if (max_dev == ERROR) 17237c478bd9Sstevel@tonic-gate return (ERROR); 17247c478bd9Sstevel@tonic-gate } 17257c478bd9Sstevel@tonic-gate 17267c478bd9Sstevel@tonic-gate /* 17277c478bd9Sstevel@tonic-gate * In case there is no more slack in current name_to_major 17287c478bd9Sstevel@tonic-gate * table, provide at least 1 extra entry so the add_drv can 17297c478bd9Sstevel@tonic-gate * succeed. Since only one add_drv process is allowed at one 17307c478bd9Sstevel@tonic-gate * time, and hence max_dev will be re-calculated each time 17317c478bd9Sstevel@tonic-gate * add_drv is ran, we don't need to worry about adding more 17327c478bd9Sstevel@tonic-gate * than 1 extra slot for max_dev. 17337c478bd9Sstevel@tonic-gate */ 17347c478bd9Sstevel@tonic-gate max_dev++; 17357c478bd9Sstevel@tonic-gate 17367c478bd9Sstevel@tonic-gate } else { 17377c478bd9Sstevel@tonic-gate if (modctl(MODRESERVED, NULL, &max_dev) < 0) { 17387c478bd9Sstevel@tonic-gate perror(NULL); 17397c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_MAX_MAJOR)); 17407c478bd9Sstevel@tonic-gate return (ERROR); 17417c478bd9Sstevel@tonic-gate } 17427c478bd9Sstevel@tonic-gate } 17437c478bd9Sstevel@tonic-gate 17447c478bd9Sstevel@tonic-gate /* 17457c478bd9Sstevel@tonic-gate * max_dev is really how many slots the kernel has allocated for 17467c478bd9Sstevel@tonic-gate * devices... [0 , maxdev-1], not the largest available device num. 17477c478bd9Sstevel@tonic-gate */ 17487c478bd9Sstevel@tonic-gate if ((num_list = calloc(max_dev, 1)) == NULL) { 17497c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_NO_MEM)); 17507c478bd9Sstevel@tonic-gate return (ERROR); 17517c478bd9Sstevel@tonic-gate } 17527c478bd9Sstevel@tonic-gate 17537c478bd9Sstevel@tonic-gate /* 17547c478bd9Sstevel@tonic-gate * Populate the num_list array 17557c478bd9Sstevel@tonic-gate */ 17567c478bd9Sstevel@tonic-gate if (fill_n2m_array(name_to_major, &num_list, &max_dev) != 0) { 17577c478bd9Sstevel@tonic-gate return (ERROR); 17587c478bd9Sstevel@tonic-gate } 17597c478bd9Sstevel@tonic-gate if (have_rem_n2m) { 17607c478bd9Sstevel@tonic-gate if (fill_n2m_array(rem_name_to_major, &num_list, &max_dev) != 0) 17617c478bd9Sstevel@tonic-gate return (ERROR); 17627c478bd9Sstevel@tonic-gate } 17637c478bd9Sstevel@tonic-gate 17647c478bd9Sstevel@tonic-gate /* find first free major number */ 17657c478bd9Sstevel@tonic-gate for (i = 0; i < max_dev; i++) { 17667c478bd9Sstevel@tonic-gate if (num_list[i] != 1) { 17677c478bd9Sstevel@tonic-gate new_maj = i; 17687c478bd9Sstevel@tonic-gate break; 17697c478bd9Sstevel@tonic-gate } 17707c478bd9Sstevel@tonic-gate } 17717c478bd9Sstevel@tonic-gate 17727c478bd9Sstevel@tonic-gate if (new_maj == -1) { 17737c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_NO_FREE_MAJOR)); 17747c478bd9Sstevel@tonic-gate return (ERROR); 17757c478bd9Sstevel@tonic-gate } 17767c478bd9Sstevel@tonic-gate 17777c478bd9Sstevel@tonic-gate (void) sprintf(drv_majnum_str, "%d", new_maj); 17787c478bd9Sstevel@tonic-gate if (do_the_update(driver_name, drv_majnum_str) == ERROR) { 17797c478bd9Sstevel@tonic-gate return (ERROR); 17807c478bd9Sstevel@tonic-gate } 17817c478bd9Sstevel@tonic-gate 17827c478bd9Sstevel@tonic-gate *major_num = new_maj; 17837c478bd9Sstevel@tonic-gate return (NOERR); 17847c478bd9Sstevel@tonic-gate } 17857c478bd9Sstevel@tonic-gate 17867c478bd9Sstevel@tonic-gate 17877c478bd9Sstevel@tonic-gate int 17887c478bd9Sstevel@tonic-gate fill_n2m_array(char *filename, char **array, int *nelems) 17897c478bd9Sstevel@tonic-gate { 17907c478bd9Sstevel@tonic-gate FILE *fp; 17911ca93273Seota char line[MAX_N2M_ALIAS_LINE + 1], *cp; 17927c478bd9Sstevel@tonic-gate char drv[FILENAME_MAX + 1]; 17937c478bd9Sstevel@tonic-gate u_longlong_t dnum; 17947c478bd9Sstevel@tonic-gate major_t drv_majnum; 17957c478bd9Sstevel@tonic-gate 17967c478bd9Sstevel@tonic-gate /* 17977c478bd9Sstevel@tonic-gate * Read through the file, marking each major number found 17987c478bd9Sstevel@tonic-gate * order is not relevant 17997c478bd9Sstevel@tonic-gate */ 18007c478bd9Sstevel@tonic-gate if ((fp = fopen(filename, "r")) == NULL) { 18017c478bd9Sstevel@tonic-gate perror(NULL); 18027c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_CANT_ACCESS_FILE), filename); 18037c478bd9Sstevel@tonic-gate return (ERROR); 18047c478bd9Sstevel@tonic-gate } 18057c478bd9Sstevel@tonic-gate 18067c478bd9Sstevel@tonic-gate while (fgets(line, sizeof (line), fp) != 0) { 18071ca93273Seota /* cut off comments starting with '#' */ 18081ca93273Seota if ((cp = strchr(line, '#')) != NULL) 18091ca93273Seota *cp = '\0'; 18101ca93273Seota /* ignore comment or blank lines */ 18111ca93273Seota if (is_blank(line)) 18121ca93273Seota continue; 18131ca93273Seota /* sanity-check */ 18147c478bd9Sstevel@tonic-gate if (sscanf(line, "%s %llu", drv, &dnum) != 2) { 18157c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_BAD_LINE), 18167c478bd9Sstevel@tonic-gate filename, line); 18177c478bd9Sstevel@tonic-gate (void) fclose(fp); 18187c478bd9Sstevel@tonic-gate return (ERROR); 18197c478bd9Sstevel@tonic-gate } 18207c478bd9Sstevel@tonic-gate 18217c478bd9Sstevel@tonic-gate if (dnum > L_MAXMAJ32) { 18227c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_MAJ_TOOBIG), drv, 18237c478bd9Sstevel@tonic-gate dnum, filename, L_MAXMAJ32); 18247c478bd9Sstevel@tonic-gate continue; 18257c478bd9Sstevel@tonic-gate } 18267c478bd9Sstevel@tonic-gate /* 18277c478bd9Sstevel@tonic-gate * cast down to a major_t; we can be sure this is safe because 18287c478bd9Sstevel@tonic-gate * of the above range-check. 18297c478bd9Sstevel@tonic-gate */ 18307c478bd9Sstevel@tonic-gate drv_majnum = (major_t)dnum; 18317c478bd9Sstevel@tonic-gate 18327c478bd9Sstevel@tonic-gate if (drv_majnum >= *nelems) { 18337c478bd9Sstevel@tonic-gate /* 18347c478bd9Sstevel@tonic-gate * Allocate some more space, up to drv_majnum + 1 so 18357c478bd9Sstevel@tonic-gate * we can accomodate 0 through drv_majnum. 18367c478bd9Sstevel@tonic-gate * 18377c478bd9Sstevel@tonic-gate * Note that in the failure case, we leak all of the 18387c478bd9Sstevel@tonic-gate * old contents of array. It's ok, since we just 18397c478bd9Sstevel@tonic-gate * wind up exiting immediately anyway. 18407c478bd9Sstevel@tonic-gate */ 18417c478bd9Sstevel@tonic-gate *nelems = drv_majnum + 1; 18427c478bd9Sstevel@tonic-gate *array = realloc(*array, *nelems); 18437c478bd9Sstevel@tonic-gate if (*array == NULL) { 18447c478bd9Sstevel@tonic-gate (void) fprintf(stderr, gettext(ERR_NO_MEM)); 18457c478bd9Sstevel@tonic-gate return (ERROR); 18467c478bd9Sstevel@tonic-gate } 18477c478bd9Sstevel@tonic-gate } 18487c478bd9Sstevel@tonic-gate (*array)[drv_majnum] = 1; 18497c478bd9Sstevel@tonic-gate } 18507c478bd9Sstevel@tonic-gate 18517c478bd9Sstevel@tonic-gate (void) fclose(fp); 18527c478bd9Sstevel@tonic-gate return (0); 18537c478bd9Sstevel@tonic-gate } 18547c478bd9Sstevel@tonic-gate 18557c478bd9Sstevel@tonic-gate 18567c478bd9Sstevel@tonic-gate int 18577c478bd9Sstevel@tonic-gate do_the_update(char *driver_name, char *major_number) 18587c478bd9Sstevel@tonic-gate { 18597c478bd9Sstevel@tonic-gate return (append_to_file(driver_name, major_number, name_to_major, 18607c478bd9Sstevel@tonic-gate ' ', " ")); 18617c478bd9Sstevel@tonic-gate } 18621ca93273Seota 18631ca93273Seota /* 18641ca93273Seota * is_blank() returns 1 (true) if a line specified is composed of 18651ca93273Seota * whitespace characters only. otherwise, it returns 0 (false). 18661ca93273Seota * 18671ca93273Seota * Note. the argument (line) must be null-terminated. 18681ca93273Seota */ 18691ca93273Seota static int 18701ca93273Seota is_blank(char *line) 18711ca93273Seota { 18721ca93273Seota for (/* nothing */; *line != '\0'; line++) 18731ca93273Seota if (!isspace(*line)) 18741ca93273Seota return (0); 18751ca93273Seota return (1); 18761ca93273Seota } 1877