1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 2003 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 28*0Sstevel@tonic-gate /* All Rights Reserved */ 29*0Sstevel@tonic-gate 30*0Sstevel@tonic-gate /* 31*0Sstevel@tonic-gate * University Copyright- Copyright (c) 1982, 1986, 1988 32*0Sstevel@tonic-gate * The Regents of the University of California 33*0Sstevel@tonic-gate * All Rights Reserved 34*0Sstevel@tonic-gate * 35*0Sstevel@tonic-gate * University Acknowledgment- Portions of this document are derived from 36*0Sstevel@tonic-gate * software developed by the University of California, Berkeley, and its 37*0Sstevel@tonic-gate * contributors. 38*0Sstevel@tonic-gate */ 39*0Sstevel@tonic-gate 40*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 41*0Sstevel@tonic-gate 42*0Sstevel@tonic-gate #include <sys/types.h> 43*0Sstevel@tonic-gate #include <unistd.h> 44*0Sstevel@tonic-gate #include <stdio.h> 45*0Sstevel@tonic-gate #include <syslog.h> 46*0Sstevel@tonic-gate #include <ctype.h> 47*0Sstevel@tonic-gate #include <stdlib.h> 48*0Sstevel@tonic-gate #include <string.h> 49*0Sstevel@tonic-gate #include <locale.h> 50*0Sstevel@tonic-gate #include <limits.h> 51*0Sstevel@tonic-gate #include <pwd.h> 52*0Sstevel@tonic-gate #include <errno.h> 53*0Sstevel@tonic-gate 54*0Sstevel@tonic-gate #define LOG_MARK (LOG_NFACILITIES << 3) /* mark "facility" */ 55*0Sstevel@tonic-gate #define LOGGER_BUFLEN 1024 56*0Sstevel@tonic-gate 57*0Sstevel@tonic-gate struct code { 58*0Sstevel@tonic-gate char *c_name; 59*0Sstevel@tonic-gate int c_val; 60*0Sstevel@tonic-gate }; 61*0Sstevel@tonic-gate 62*0Sstevel@tonic-gate static struct code PriNames[] = { 63*0Sstevel@tonic-gate "panic", LOG_EMERG, 64*0Sstevel@tonic-gate "emerg", LOG_EMERG, 65*0Sstevel@tonic-gate "alert", LOG_ALERT, 66*0Sstevel@tonic-gate "crit", LOG_CRIT, 67*0Sstevel@tonic-gate "err", LOG_ERR, 68*0Sstevel@tonic-gate "error", LOG_ERR, 69*0Sstevel@tonic-gate "warn", LOG_WARNING, 70*0Sstevel@tonic-gate "warning", LOG_WARNING, 71*0Sstevel@tonic-gate "notice", LOG_NOTICE, 72*0Sstevel@tonic-gate "info", LOG_INFO, 73*0Sstevel@tonic-gate "debug", LOG_DEBUG, 74*0Sstevel@tonic-gate NULL, -1 75*0Sstevel@tonic-gate }; 76*0Sstevel@tonic-gate 77*0Sstevel@tonic-gate static struct code FacNames[] = { 78*0Sstevel@tonic-gate "kern", LOG_KERN, 79*0Sstevel@tonic-gate "user", LOG_USER, 80*0Sstevel@tonic-gate "mail", LOG_MAIL, 81*0Sstevel@tonic-gate "daemon", LOG_DAEMON, 82*0Sstevel@tonic-gate "auth", LOG_AUTH, 83*0Sstevel@tonic-gate "security", LOG_AUTH, 84*0Sstevel@tonic-gate "mark", LOG_MARK, 85*0Sstevel@tonic-gate "syslog", LOG_SYSLOG, 86*0Sstevel@tonic-gate "lpr", LOG_LPR, 87*0Sstevel@tonic-gate "news", LOG_NEWS, 88*0Sstevel@tonic-gate "uucp", LOG_UUCP, 89*0Sstevel@tonic-gate "cron", LOG_CRON, 90*0Sstevel@tonic-gate "audit", LOG_AUDIT, 91*0Sstevel@tonic-gate "local0", LOG_LOCAL0, 92*0Sstevel@tonic-gate "local1", LOG_LOCAL1, 93*0Sstevel@tonic-gate "local2", LOG_LOCAL2, 94*0Sstevel@tonic-gate "local3", LOG_LOCAL3, 95*0Sstevel@tonic-gate "local4", LOG_LOCAL4, 96*0Sstevel@tonic-gate "local5", LOG_LOCAL5, 97*0Sstevel@tonic-gate "local6", LOG_LOCAL6, 98*0Sstevel@tonic-gate "local7", LOG_LOCAL7, 99*0Sstevel@tonic-gate NULL, -1 100*0Sstevel@tonic-gate }; 101*0Sstevel@tonic-gate 102*0Sstevel@tonic-gate static int pencode(register char *); 103*0Sstevel@tonic-gate static int decode(char *, struct code *); 104*0Sstevel@tonic-gate static void bailout(char *, char *); 105*0Sstevel@tonic-gate static void usage(void); 106*0Sstevel@tonic-gate 107*0Sstevel@tonic-gate /* 108*0Sstevel@tonic-gate * LOGGER -- read and log utility 109*0Sstevel@tonic-gate * 110*0Sstevel@tonic-gate * This routine reads from an input and arranges to write the 111*0Sstevel@tonic-gate * result on the system log, along with a useful tag. 112*0Sstevel@tonic-gate */ 113*0Sstevel@tonic-gate 114*0Sstevel@tonic-gate main(argc, argv) 115*0Sstevel@tonic-gate int argc; 116*0Sstevel@tonic-gate char **argv; 117*0Sstevel@tonic-gate { 118*0Sstevel@tonic-gate char tmp[23]; 119*0Sstevel@tonic-gate char *tag = NULL; 120*0Sstevel@tonic-gate char *infile = NULL; 121*0Sstevel@tonic-gate char *buf = NULL; 122*0Sstevel@tonic-gate size_t buflen; 123*0Sstevel@tonic-gate int pri = LOG_NOTICE; 124*0Sstevel@tonic-gate int logflags = 0; 125*0Sstevel@tonic-gate int opt; 126*0Sstevel@tonic-gate int pid_len = 0; 127*0Sstevel@tonic-gate struct passwd *pw; 128*0Sstevel@tonic-gate uid_t u; 129*0Sstevel@tonic-gate char fmt_uid[16]; 130*0Sstevel@tonic-gate char *p, *endp; 131*0Sstevel@tonic-gate size_t len; 132*0Sstevel@tonic-gate ptrdiff_t offset = 0; 133*0Sstevel@tonic-gate int status = 0; 134*0Sstevel@tonic-gate 135*0Sstevel@tonic-gate (void) setlocale(LC_ALL, ""); 136*0Sstevel@tonic-gate #if !defined(TEXT_DOMAIN) /* Should be defined by cc -D */ 137*0Sstevel@tonic-gate #define TEXT_DOMAIN "SYS_TEST" /* Use this only if it weren't */ 138*0Sstevel@tonic-gate #endif 139*0Sstevel@tonic-gate (void) textdomain(TEXT_DOMAIN); 140*0Sstevel@tonic-gate /* initialize */ 141*0Sstevel@tonic-gate 142*0Sstevel@tonic-gate while ((opt = getopt(argc, argv, "it:p:f:")) != EOF) 143*0Sstevel@tonic-gate switch (opt) { 144*0Sstevel@tonic-gate 145*0Sstevel@tonic-gate case 't': /* tag */ 146*0Sstevel@tonic-gate tag = optarg; 147*0Sstevel@tonic-gate break; 148*0Sstevel@tonic-gate 149*0Sstevel@tonic-gate case 'p': /* priority */ 150*0Sstevel@tonic-gate pri = pencode(optarg); 151*0Sstevel@tonic-gate break; 152*0Sstevel@tonic-gate 153*0Sstevel@tonic-gate case 'i': /* log process id also */ 154*0Sstevel@tonic-gate logflags |= LOG_PID; 155*0Sstevel@tonic-gate pid_len = sprintf(tmp, "%ld", (long)getpid()); 156*0Sstevel@tonic-gate pid_len = (pid_len <= 0) ? 0 : pid_len +2; 157*0Sstevel@tonic-gate break; 158*0Sstevel@tonic-gate 159*0Sstevel@tonic-gate case 'f': /* file to log */ 160*0Sstevel@tonic-gate if (strcmp(optarg, "-") == 0) 161*0Sstevel@tonic-gate break; 162*0Sstevel@tonic-gate infile = optarg; 163*0Sstevel@tonic-gate if (freopen(infile, "r", stdin) == NULL) 164*0Sstevel@tonic-gate { 165*0Sstevel@tonic-gate (void) fprintf(stderr, gettext("logger: ")); 166*0Sstevel@tonic-gate perror(infile); 167*0Sstevel@tonic-gate exit(1); 168*0Sstevel@tonic-gate } 169*0Sstevel@tonic-gate break; 170*0Sstevel@tonic-gate 171*0Sstevel@tonic-gate default: 172*0Sstevel@tonic-gate usage(); 173*0Sstevel@tonic-gate } 174*0Sstevel@tonic-gate 175*0Sstevel@tonic-gate argc -= optind; 176*0Sstevel@tonic-gate argv = &argv[optind]; 177*0Sstevel@tonic-gate 178*0Sstevel@tonic-gate if ((tag == NULL) && ((tag = getlogin()) == NULL)) { 179*0Sstevel@tonic-gate u = getuid(); 180*0Sstevel@tonic-gate if ((pw = getpwuid(u)) == NULL) { 181*0Sstevel@tonic-gate (void) sprintf(fmt_uid, "%ld", u); 182*0Sstevel@tonic-gate tag = fmt_uid; 183*0Sstevel@tonic-gate } else 184*0Sstevel@tonic-gate tag = pw->pw_name; 185*0Sstevel@tonic-gate } 186*0Sstevel@tonic-gate 187*0Sstevel@tonic-gate /* setup for logging */ 188*0Sstevel@tonic-gate openlog(tag, logflags, 0); 189*0Sstevel@tonic-gate (void) fclose(stdout); 190*0Sstevel@tonic-gate 191*0Sstevel@tonic-gate /* log input line if appropriate */ 192*0Sstevel@tonic-gate if (argc > 0) { 193*0Sstevel@tonic-gate /* 194*0Sstevel@tonic-gate * Log arguments from command line 195*0Sstevel@tonic-gate */ 196*0Sstevel@tonic-gate int i; 197*0Sstevel@tonic-gate 198*0Sstevel@tonic-gate len = 0; 199*0Sstevel@tonic-gate for (i = 0; i < argc; i++) { 200*0Sstevel@tonic-gate len += strlen(argv[i]) + 1; /* add 1 for <space> */ 201*0Sstevel@tonic-gate } 202*0Sstevel@tonic-gate if ((buf = malloc(len + 1)) == NULL) { 203*0Sstevel@tonic-gate perror("logger"); 204*0Sstevel@tonic-gate exit(1); 205*0Sstevel@tonic-gate } 206*0Sstevel@tonic-gate buf[0] = '\0'; 207*0Sstevel@tonic-gate for (i = 0; i < argc; i++) { 208*0Sstevel@tonic-gate if (i != 0) { 209*0Sstevel@tonic-gate (void) strcat(buf, " "); 210*0Sstevel@tonic-gate } 211*0Sstevel@tonic-gate (void) strcat(buf, argv[i]); 212*0Sstevel@tonic-gate } 213*0Sstevel@tonic-gate #ifdef DEBUG 214*0Sstevel@tonic-gate (void) fprintf(stderr, "len=%d, buf >%s<\n", len, buf); 215*0Sstevel@tonic-gate #endif 216*0Sstevel@tonic-gate syslog(pri, "%s", buf); 217*0Sstevel@tonic-gate } else { 218*0Sstevel@tonic-gate /* 219*0Sstevel@tonic-gate * Log arguments from stdin (or input file). 220*0Sstevel@tonic-gate * When reading from stdin, logger grows its buffer if 221*0Sstevel@tonic-gate * needed, to handle long lines. 222*0Sstevel@tonic-gate */ 223*0Sstevel@tonic-gate if ((buf = malloc(LOGGER_BUFLEN)) == NULL) { 224*0Sstevel@tonic-gate perror("logger"); 225*0Sstevel@tonic-gate exit(1); 226*0Sstevel@tonic-gate } 227*0Sstevel@tonic-gate buflen = LOGGER_BUFLEN; 228*0Sstevel@tonic-gate p = buf; 229*0Sstevel@tonic-gate endp = buf + buflen; 230*0Sstevel@tonic-gate offset = 0; 231*0Sstevel@tonic-gate while (fgets(p, endp - p, stdin) != NULL) { 232*0Sstevel@tonic-gate len = strlen(p); 233*0Sstevel@tonic-gate if (p[len - 1] == '\n') { 234*0Sstevel@tonic-gate #ifdef DEBUG 235*0Sstevel@tonic-gate (void) fprintf(stderr, 236*0Sstevel@tonic-gate "p-buf =%d, len=%d, buflen=%d, buf >%s<\n", 237*0Sstevel@tonic-gate p-buf, len, buflen, buf); 238*0Sstevel@tonic-gate #endif 239*0Sstevel@tonic-gate syslog(pri, "%s", buf); 240*0Sstevel@tonic-gate p = buf; 241*0Sstevel@tonic-gate offset = 0; 242*0Sstevel@tonic-gate } else if (len < endp - p - 1) { 243*0Sstevel@tonic-gate /* short read or line with no <newline> */ 244*0Sstevel@tonic-gate p += len; 245*0Sstevel@tonic-gate offset += len; 246*0Sstevel@tonic-gate #ifdef DEBUG 247*0Sstevel@tonic-gate (void) fprintf(stderr, 248*0Sstevel@tonic-gate "p-buf=%d, len=%d, buflen=%d, buf >%s<\n", 249*0Sstevel@tonic-gate p-buf, len, buflen, buf); 250*0Sstevel@tonic-gate #endif 251*0Sstevel@tonic-gate continue; 252*0Sstevel@tonic-gate } else { 253*0Sstevel@tonic-gate /* line longer than buflen, so get larger buf */ 254*0Sstevel@tonic-gate buflen += LOGGER_BUFLEN; 255*0Sstevel@tonic-gate offset += len; 256*0Sstevel@tonic-gate #ifdef DEBUG 257*0Sstevel@tonic-gate (void) fprintf(stderr, 258*0Sstevel@tonic-gate "Realloc endp-p=%d, len=%d, offset=%d, " 259*0Sstevel@tonic-gate "buflen %d\n", 260*0Sstevel@tonic-gate endp - p, len, offset, buflen); 261*0Sstevel@tonic-gate #endif 262*0Sstevel@tonic-gate if ((buf = realloc(buf, buflen)) == NULL) { 263*0Sstevel@tonic-gate perror("logger"); 264*0Sstevel@tonic-gate exit(1); 265*0Sstevel@tonic-gate } 266*0Sstevel@tonic-gate p = buf + offset; 267*0Sstevel@tonic-gate endp = buf + buflen; 268*0Sstevel@tonic-gate } 269*0Sstevel@tonic-gate } /* while */ 270*0Sstevel@tonic-gate 271*0Sstevel@tonic-gate if (feof(stdin)) { 272*0Sstevel@tonic-gate if (p > buf) { 273*0Sstevel@tonic-gate /* the last line did not end with newline */ 274*0Sstevel@tonic-gate #ifdef DEBUG 275*0Sstevel@tonic-gate (void) fprintf(stderr, 276*0Sstevel@tonic-gate "(2) p-buf=%d, len=%d, buflen=%d, " 277*0Sstevel@tonic-gate "buf >%s<\n", 278*0Sstevel@tonic-gate p-buf, len, buflen, buf); 279*0Sstevel@tonic-gate #endif 280*0Sstevel@tonic-gate syslog(pri, "%s", buf); 281*0Sstevel@tonic-gate } 282*0Sstevel@tonic-gate } else { 283*0Sstevel@tonic-gate /* 284*0Sstevel@tonic-gate * fgets() encountered an error. Log unlogged data 285*0Sstevel@tonic-gate * from earlier fgets() (if any). Write null byte 286*0Sstevel@tonic-gate * after last full read, in case the fgets() that 287*0Sstevel@tonic-gate * encountered error removed it and failed to null 288*0Sstevel@tonic-gate * terminate. 289*0Sstevel@tonic-gate */ 290*0Sstevel@tonic-gate perror("logger"); 291*0Sstevel@tonic-gate if (p > buf) { 292*0Sstevel@tonic-gate *p = '\0'; 293*0Sstevel@tonic-gate syslog(pri, "%s", buf); 294*0Sstevel@tonic-gate } 295*0Sstevel@tonic-gate status = 1; 296*0Sstevel@tonic-gate } 297*0Sstevel@tonic-gate } /* else !(argc > 0) */ 298*0Sstevel@tonic-gate free(buf); 299*0Sstevel@tonic-gate return (status); 300*0Sstevel@tonic-gate } 301*0Sstevel@tonic-gate 302*0Sstevel@tonic-gate /* 303*0Sstevel@tonic-gate * Decode a symbolic name to a numeric value 304*0Sstevel@tonic-gate */ 305*0Sstevel@tonic-gate 306*0Sstevel@tonic-gate 307*0Sstevel@tonic-gate static int 308*0Sstevel@tonic-gate pencode(s) 309*0Sstevel@tonic-gate register char *s; 310*0Sstevel@tonic-gate { 311*0Sstevel@tonic-gate register char *p; 312*0Sstevel@tonic-gate int lev; 313*0Sstevel@tonic-gate int fac = 0; 314*0Sstevel@tonic-gate 315*0Sstevel@tonic-gate for (p = s; *s && *s != '.'; s++); 316*0Sstevel@tonic-gate if (*s) { 317*0Sstevel@tonic-gate *s = '\0'; 318*0Sstevel@tonic-gate fac = decode(p, FacNames); 319*0Sstevel@tonic-gate if (fac < 0) 320*0Sstevel@tonic-gate bailout("unknown facility name: ", p); 321*0Sstevel@tonic-gate *s++ = '.'; 322*0Sstevel@tonic-gate } else 323*0Sstevel@tonic-gate s = p; 324*0Sstevel@tonic-gate lev = decode(s, PriNames); 325*0Sstevel@tonic-gate if (lev < 0) 326*0Sstevel@tonic-gate bailout("unknown priority name: ", s); 327*0Sstevel@tonic-gate 328*0Sstevel@tonic-gate return ((lev & LOG_PRIMASK) | (fac & LOG_FACMASK)); 329*0Sstevel@tonic-gate } 330*0Sstevel@tonic-gate 331*0Sstevel@tonic-gate 332*0Sstevel@tonic-gate static int 333*0Sstevel@tonic-gate decode(name, codetab) 334*0Sstevel@tonic-gate char *name; 335*0Sstevel@tonic-gate struct code *codetab; 336*0Sstevel@tonic-gate { 337*0Sstevel@tonic-gate register struct code *c; 338*0Sstevel@tonic-gate 339*0Sstevel@tonic-gate if (isdigit(*name)) 340*0Sstevel@tonic-gate return (atoi(name)); 341*0Sstevel@tonic-gate 342*0Sstevel@tonic-gate for (c = codetab; c->c_name; c++) 343*0Sstevel@tonic-gate if (strcasecmp(name, c->c_name) == 0) 344*0Sstevel@tonic-gate return (c->c_val); 345*0Sstevel@tonic-gate 346*0Sstevel@tonic-gate return (-1); 347*0Sstevel@tonic-gate } 348*0Sstevel@tonic-gate 349*0Sstevel@tonic-gate 350*0Sstevel@tonic-gate static void 351*0Sstevel@tonic-gate bailout(a, b) 352*0Sstevel@tonic-gate char *a, *b; 353*0Sstevel@tonic-gate { 354*0Sstevel@tonic-gate (void) fprintf(stderr, gettext("logger: %s%s\n"), a, b); 355*0Sstevel@tonic-gate exit(1); 356*0Sstevel@tonic-gate } 357*0Sstevel@tonic-gate 358*0Sstevel@tonic-gate 359*0Sstevel@tonic-gate static void 360*0Sstevel@tonic-gate usage(void) 361*0Sstevel@tonic-gate { 362*0Sstevel@tonic-gate (void) fprintf(stderr, gettext( 363*0Sstevel@tonic-gate "Usage:\tlogger string\n" 364*0Sstevel@tonic-gate "\tlogger [-i] [-f filename] [-p priority] [-t tag] " 365*0Sstevel@tonic-gate "[message] ...\n")); 366*0Sstevel@tonic-gate exit(1); 367*0Sstevel@tonic-gate } 368