1*7c478bd9Sstevel@tonic-gate /* 2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START 3*7c478bd9Sstevel@tonic-gate * 4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*7c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*7c478bd9Sstevel@tonic-gate * with the License. 8*7c478bd9Sstevel@tonic-gate * 9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 12*7c478bd9Sstevel@tonic-gate * and limitations under the License. 13*7c478bd9Sstevel@tonic-gate * 14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*7c478bd9Sstevel@tonic-gate * 20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END 21*7c478bd9Sstevel@tonic-gate */ 22*7c478bd9Sstevel@tonic-gate /* 23*7c478bd9Sstevel@tonic-gate * Copyright 2003 Sun Microsystems, Inc. All rights reserved. 24*7c478bd9Sstevel@tonic-gate * Use is subject to license terms. 25*7c478bd9Sstevel@tonic-gate */ 26*7c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 27*7c478bd9Sstevel@tonic-gate 28*7c478bd9Sstevel@tonic-gate #include <sys/types.h> 29*7c478bd9Sstevel@tonic-gate #include <stdio.h> 30*7c478bd9Sstevel@tonic-gate #include <ctype.h> 31*7c478bd9Sstevel@tonic-gate #include <sys/stat.h> 32*7c478bd9Sstevel@tonic-gate #include <project.h> 33*7c478bd9Sstevel@tonic-gate #include <unistd.h> 34*7c478bd9Sstevel@tonic-gate #include <userdefs.h> 35*7c478bd9Sstevel@tonic-gate #include <errno.h> 36*7c478bd9Sstevel@tonic-gate #include <nss_dbdefs.h> 37*7c478bd9Sstevel@tonic-gate #include "users.h" 38*7c478bd9Sstevel@tonic-gate #include "messages.h" 39*7c478bd9Sstevel@tonic-gate 40*7c478bd9Sstevel@tonic-gate int 41*7c478bd9Sstevel@tonic-gate edit_project(char *login, char *new_login, projid_t projids[], int overwrite) 42*7c478bd9Sstevel@tonic-gate { 43*7c478bd9Sstevel@tonic-gate char **memptr; 44*7c478bd9Sstevel@tonic-gate char t_name[] = "/etc/projtmp.XXXXXX"; 45*7c478bd9Sstevel@tonic-gate FILE *e_fptr, *t_fptr; 46*7c478bd9Sstevel@tonic-gate struct project *p_ptr; 47*7c478bd9Sstevel@tonic-gate struct project p_work; 48*7c478bd9Sstevel@tonic-gate char workbuf[NSS_LINELEN_PROJECT]; 49*7c478bd9Sstevel@tonic-gate int i, modified = 0; 50*7c478bd9Sstevel@tonic-gate struct stat sbuf; 51*7c478bd9Sstevel@tonic-gate int p_length; 52*7c478bd9Sstevel@tonic-gate char p_string[NSS_LINELEN_PROJECT]; 53*7c478bd9Sstevel@tonic-gate long p_curr = 0; 54*7c478bd9Sstevel@tonic-gate int exist; 55*7c478bd9Sstevel@tonic-gate int fd; 56*7c478bd9Sstevel@tonic-gate 57*7c478bd9Sstevel@tonic-gate if ((e_fptr = fopen(PROJF_PATH, "r")) == NULL) { 58*7c478bd9Sstevel@tonic-gate return (EX_UPDATE); 59*7c478bd9Sstevel@tonic-gate } 60*7c478bd9Sstevel@tonic-gate 61*7c478bd9Sstevel@tonic-gate if (fstat(fileno(e_fptr), &sbuf) != 0) 62*7c478bd9Sstevel@tonic-gate return (EX_UPDATE); 63*7c478bd9Sstevel@tonic-gate 64*7c478bd9Sstevel@tonic-gate if ((fd = mkstemp(t_name)) < 0) { 65*7c478bd9Sstevel@tonic-gate return (EX_UPDATE); 66*7c478bd9Sstevel@tonic-gate } 67*7c478bd9Sstevel@tonic-gate 68*7c478bd9Sstevel@tonic-gate if ((t_fptr = fdopen(fd, "w+")) == NULL) { 69*7c478bd9Sstevel@tonic-gate (void) close(fd); 70*7c478bd9Sstevel@tonic-gate (void) unlink(t_name); 71*7c478bd9Sstevel@tonic-gate return (EX_UPDATE); 72*7c478bd9Sstevel@tonic-gate } 73*7c478bd9Sstevel@tonic-gate 74*7c478bd9Sstevel@tonic-gate /* 75*7c478bd9Sstevel@tonic-gate * Get ownership and permissions correct 76*7c478bd9Sstevel@tonic-gate */ 77*7c478bd9Sstevel@tonic-gate 78*7c478bd9Sstevel@tonic-gate if (fchmod(fd, sbuf.st_mode) != 0 || 79*7c478bd9Sstevel@tonic-gate fchown(fd, sbuf.st_uid, sbuf.st_gid) != 0) { 80*7c478bd9Sstevel@tonic-gate (void) fclose(t_fptr); 81*7c478bd9Sstevel@tonic-gate (void) unlink(t_name); 82*7c478bd9Sstevel@tonic-gate return (EX_UPDATE); 83*7c478bd9Sstevel@tonic-gate } 84*7c478bd9Sstevel@tonic-gate 85*7c478bd9Sstevel@tonic-gate p_curr = ftell(e_fptr); 86*7c478bd9Sstevel@tonic-gate 87*7c478bd9Sstevel@tonic-gate /* Make TMP file look like we want project file to look */ 88*7c478bd9Sstevel@tonic-gate 89*7c478bd9Sstevel@tonic-gate while (fgets(p_string, NSS_LINELEN_PROJECT - 1, e_fptr)) { 90*7c478bd9Sstevel@tonic-gate /* While there is another group string */ 91*7c478bd9Sstevel@tonic-gate 92*7c478bd9Sstevel@tonic-gate p_length = strlen(p_string); 93*7c478bd9Sstevel@tonic-gate (void) fseek(e_fptr, p_curr, SEEK_SET); 94*7c478bd9Sstevel@tonic-gate p_ptr = fgetprojent(e_fptr, &p_work, &workbuf, 95*7c478bd9Sstevel@tonic-gate sizeof (workbuf)); 96*7c478bd9Sstevel@tonic-gate p_curr = ftell(e_fptr); 97*7c478bd9Sstevel@tonic-gate 98*7c478bd9Sstevel@tonic-gate if (p_ptr == NULL) { 99*7c478bd9Sstevel@tonic-gate /* 100*7c478bd9Sstevel@tonic-gate * tried to parse a proj string over 101*7c478bd9Sstevel@tonic-gate * NSS_LINELEN_PROJECT chars 102*7c478bd9Sstevel@tonic-gate */ 103*7c478bd9Sstevel@tonic-gate errmsg(M_PROJ_ENTRY_OVF, NSS_LINELEN_PROJECT); 104*7c478bd9Sstevel@tonic-gate modified = 0; /* bad project file: cannot rebuild */ 105*7c478bd9Sstevel@tonic-gate break; 106*7c478bd9Sstevel@tonic-gate } 107*7c478bd9Sstevel@tonic-gate 108*7c478bd9Sstevel@tonic-gate /* first delete the login from the project, if it's there */ 109*7c478bd9Sstevel@tonic-gate if (overwrite || !projids) { 110*7c478bd9Sstevel@tonic-gate if (p_ptr->pj_users != NULL) { 111*7c478bd9Sstevel@tonic-gate for (memptr = p_ptr->pj_users; *memptr; 112*7c478bd9Sstevel@tonic-gate memptr++) { 113*7c478bd9Sstevel@tonic-gate if (strcmp(*memptr, login) == 0) { 114*7c478bd9Sstevel@tonic-gate /* Delete this one */ 115*7c478bd9Sstevel@tonic-gate char **from = memptr + 1; 116*7c478bd9Sstevel@tonic-gate p_length -= (strlen(*memptr)+1); 117*7c478bd9Sstevel@tonic-gate do { 118*7c478bd9Sstevel@tonic-gate *(from - 1) = *from; 119*7c478bd9Sstevel@tonic-gate } while (*from++); 120*7c478bd9Sstevel@tonic-gate 121*7c478bd9Sstevel@tonic-gate modified++; 122*7c478bd9Sstevel@tonic-gate break; 123*7c478bd9Sstevel@tonic-gate } 124*7c478bd9Sstevel@tonic-gate } 125*7c478bd9Sstevel@tonic-gate } 126*7c478bd9Sstevel@tonic-gate } 127*7c478bd9Sstevel@tonic-gate 128*7c478bd9Sstevel@tonic-gate /* now check to see if project is one to add to */ 129*7c478bd9Sstevel@tonic-gate if (projids) { 130*7c478bd9Sstevel@tonic-gate for (i = 0; projids[i] != -1; i++) { 131*7c478bd9Sstevel@tonic-gate if (p_ptr->pj_projid == projids[i]) { 132*7c478bd9Sstevel@tonic-gate /* Scan for dups */ 133*7c478bd9Sstevel@tonic-gate exist = 0; 134*7c478bd9Sstevel@tonic-gate for (memptr = p_ptr->pj_users; *memptr; 135*7c478bd9Sstevel@tonic-gate memptr++) { 136*7c478bd9Sstevel@tonic-gate if (strncmp(*memptr, new_login ? 137*7c478bd9Sstevel@tonic-gate new_login : login, 138*7c478bd9Sstevel@tonic-gate strlen(*memptr)) == 0) 139*7c478bd9Sstevel@tonic-gate exist++; 140*7c478bd9Sstevel@tonic-gate } 141*7c478bd9Sstevel@tonic-gate p_length += strlen(new_login ? 142*7c478bd9Sstevel@tonic-gate new_login : login) + 1; 143*7c478bd9Sstevel@tonic-gate 144*7c478bd9Sstevel@tonic-gate if (p_length >= 145*7c478bd9Sstevel@tonic-gate NSS_LINELEN_PROJECT - 1) { 146*7c478bd9Sstevel@tonic-gate errmsg(M_PROJ_ENTRY_OVF, 147*7c478bd9Sstevel@tonic-gate NSS_LINELEN_PROJECT); 148*7c478bd9Sstevel@tonic-gate break; 149*7c478bd9Sstevel@tonic-gate } else { 150*7c478bd9Sstevel@tonic-gate if (!exist) { 151*7c478bd9Sstevel@tonic-gate *memptr++ = new_login ? 152*7c478bd9Sstevel@tonic-gate new_login : login; 153*7c478bd9Sstevel@tonic-gate *memptr = NULL; 154*7c478bd9Sstevel@tonic-gate modified++; 155*7c478bd9Sstevel@tonic-gate } 156*7c478bd9Sstevel@tonic-gate } 157*7c478bd9Sstevel@tonic-gate } 158*7c478bd9Sstevel@tonic-gate } 159*7c478bd9Sstevel@tonic-gate } 160*7c478bd9Sstevel@tonic-gate putprojent(p_ptr, t_fptr); 161*7c478bd9Sstevel@tonic-gate } 162*7c478bd9Sstevel@tonic-gate 163*7c478bd9Sstevel@tonic-gate (void) fclose(e_fptr); 164*7c478bd9Sstevel@tonic-gate (void) fclose(t_fptr); 165*7c478bd9Sstevel@tonic-gate 166*7c478bd9Sstevel@tonic-gate /* Now, update project file, if it was modified */ 167*7c478bd9Sstevel@tonic-gate if (modified && rename(t_name, PROJF_PATH) < 0) { 168*7c478bd9Sstevel@tonic-gate (void) unlink(t_name); 169*7c478bd9Sstevel@tonic-gate return (EX_UPDATE); 170*7c478bd9Sstevel@tonic-gate } 171*7c478bd9Sstevel@tonic-gate 172*7c478bd9Sstevel@tonic-gate (void) unlink(t_name); 173*7c478bd9Sstevel@tonic-gate return (EX_SUCCESS); 174*7c478bd9Sstevel@tonic-gate } 175