1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright (c) 1991-1996,2001 by Sun Microsystems, Inc. 24 * All rights reserved. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #include <stdio.h> 30 #include <sys/stat.h> 31 #include <stdlib.h> 32 #include <unistd.h> 33 #include <string.h> 34 #include <ctype.h> 35 #include <locale.h> 36 37 #define MAXLINELEN 4096 38 39 /* 40 * Usage: 41 * sonconfig -f <file> 42 * Reads input from file. The file is structured as 43 * <fam> <type> <protocol> <path> 44 * <fam> <type> <protocol> 45 * with the first line registering and the second line 46 * deregistering. 47 * 48 * soconfig <fam> <type> <protocol> <path> 49 * registers 50 * 51 * soconfig <fam> <type> <protocol> 52 * deregisters 53 */ 54 55 static int parse_file(char *filename); 56 57 static int split_line(char *line, char *argvec[], int maxargvec); 58 59 static int parse_params(char *famstr, char *typestr, char *protostr, 60 char *path, int line); 61 62 static int parse_int(char *str); 63 64 static void usage(void); 65 66 int 67 main(argc, argv) 68 int argc; 69 char *argv[]; 70 { 71 int ret; 72 73 argc--; argv++; 74 75 (void) setlocale(LC_ALL, ""); 76 #if !defined(TEXT_DOMAIN) 77 #define TEXT_DOMAIN "SYS_TEST" 78 #endif 79 (void) textdomain(TEXT_DOMAIN); 80 81 if (argc == 2 && strcmp(argv[0], "-f") == 0) { 82 ret = parse_file(argv[1]); 83 exit(ret); 84 } 85 if (argc == 3) { 86 ret = parse_params(argv[0], argv[1], argv[2], NULL, -1); 87 exit(ret); 88 } 89 if (argc == 4) { 90 ret = parse_params(argv[0], argv[1], argv[2], argv[3], -1); 91 exit(ret); 92 } 93 usage(); 94 exit(1); 95 /* NOTREACHED */ 96 } 97 98 static void 99 usage(void) 100 { 101 fprintf(stderr, gettext( 102 "Usage: soconfig -f <file>\n" 103 "\tsoconfig <fam> <type> <protocol> <path>\n" 104 "\tsoconfig <fam> <type> <protocol>\n")); 105 } 106 107 /* 108 * Open the specified file and parse each line. Skip comments (everything 109 * after a '#'). Return 1 if at least one error was encountered; otherwise 0. 110 */ 111 static int 112 parse_file(char *filename) 113 { 114 char line[MAXLINELEN]; 115 char pline[MAXLINELEN]; 116 int argcount; 117 char *argvec[20]; 118 FILE *fp; 119 int linecount = 0; 120 int numerror = 0; 121 122 fp = fopen(filename, "r"); 123 if (fp == NULL) { 124 perror("soconfig: open"); 125 fprintf(stderr, "\n"); 126 usage(); 127 return (1); 128 } 129 130 while (fgets(line, sizeof (line) - 1, fp) != NULL) { 131 linecount++; 132 strcpy(pline, line); 133 argcount = split_line(pline, argvec, 134 sizeof (argvec) / sizeof (argvec[0])); 135 #ifdef DEBUG 136 { 137 int i; 138 139 printf("scanned %d args\n", argcount); 140 for (i = 0; i < argcount; i++) 141 printf("arg[%d]: %s\n", i, argvec[i]); 142 } 143 #endif /* DEBUG */ 144 switch (argcount) { 145 case 0: 146 /* Empty line - or comment only line */ 147 break; 148 case 3: 149 numerror += parse_params(argvec[0], argvec[1], 150 argvec[2], NULL, linecount); 151 break; 152 case 4: 153 numerror += parse_params(argvec[0], argvec[1], 154 argvec[2], argvec[3], linecount); 155 break; 156 default: 157 numerror++; 158 fprintf(stderr, 159 gettext("Malformed line: <%s>\n"), line); 160 fprintf(stderr, 161 gettext("\ton line %d\n"), linecount); 162 break; 163 } 164 } 165 (void) fclose(fp); 166 167 if (numerror > 0) 168 return (1); 169 else 170 return (0); 171 } 172 173 /* 174 * Parse a line splitting it off at whitspace characters. 175 * Modifies the content of the string by inserting NULLs. 176 */ 177 static int 178 split_line(char *line, char *argvec[], int maxargvec) 179 { 180 int i = 0; 181 char *cp; 182 183 /* Truncate at the beginning of a comment */ 184 cp = strchr(line, '#'); 185 if (cp != NULL) 186 *cp = NULL; 187 188 /* CONSTCOND */ 189 while (1) { 190 /* Skip any whitespace */ 191 while (isspace(*line) && *line != NULL) 192 line++; 193 194 if (i >= maxargvec) 195 return (i); 196 197 argvec[i] = line; 198 if (*line == NULL) 199 return (i); 200 i++; 201 /* Skip until next whitespace */ 202 while (!isspace(*line) && *line != NULL) 203 line++; 204 if (*line != NULL) { 205 /* Break off argument */ 206 *line++ = NULL; 207 } 208 } 209 /* NOTREACHED */ 210 } 211 212 /* 213 * Parse the set of parameters and issues the sockconfig syscall. 214 * If line is not -1 it is assumed to be the line number in the file. 215 */ 216 static int 217 parse_params(char *famstr, char *typestr, char *protostr, char *path, int line) 218 { 219 int fam, type, protocol; 220 221 fam = parse_int(famstr); 222 if (fam == -1) { 223 fprintf(stderr, gettext("Bad family number: %s\n"), famstr); 224 if (line != -1) 225 fprintf(stderr, 226 gettext("\ton line %d\n"), line); 227 else { 228 fprintf(stderr, "\n"); 229 usage(); 230 } 231 return (1); 232 } 233 234 type = parse_int(typestr); 235 if (type == -1) { 236 fprintf(stderr, 237 gettext("Bad socket type number: %s\n"), typestr); 238 if (line != -1) 239 fprintf(stderr, 240 gettext("\ton line %d\n"), line); 241 else { 242 fprintf(stderr, "\n"); 243 usage(); 244 } 245 return (1); 246 } 247 248 protocol = parse_int(protostr); 249 if (protocol == -1) { 250 fprintf(stderr, 251 gettext("Bad protocol number: %s\n"), protostr); 252 if (line != -1) 253 fprintf(stderr, 254 gettext("\ton line %d\n"), line); 255 else { 256 fprintf(stderr, "\n"); 257 usage(); 258 } 259 return (1); 260 } 261 262 263 if (path != NULL) { 264 struct stat stats; 265 266 if (stat(path, &stats) == -1) { 267 perror(path); 268 if (line != -1) 269 fprintf(stderr, 270 gettext("\ton line %d\n"), line); 271 else { 272 fprintf(stderr, "\n"); 273 usage(); 274 } 275 return (1); 276 } 277 } 278 279 #ifdef DEBUG 280 printf("not calling sockconfig(%d, %d, %d, %s)\n", 281 fam, type, protocol, path == NULL ? "(null)" : path); 282 #else 283 if (_sockconfig(fam, type, protocol, path) == -1) { 284 perror("sockconfig"); 285 return (1); 286 } 287 #endif 288 return (0); 289 } 290 291 static int 292 parse_int(char *str) 293 { 294 char *end; 295 int res; 296 297 res = strtol(str, &end, 0); 298 if (end == str) 299 return (-1); 300 return (res); 301 } 302