1130167Sgad/*- 2130167Sgad * ------+---------+---------+-------- + --------+---------+---------+---------* 3130167Sgad * This file includes significant modifications done by: 4130167Sgad * Copyright (c) 2003, 2004 - Garance Alistair Drosehn <gad@FreeBSD.org>. 5130167Sgad * All rights reserved. 6130167Sgad * 7130167Sgad * Redistribution and use in source and binary forms, with or without 8130167Sgad * modification, are permitted provided that the following conditions 9130167Sgad * are met: 10130167Sgad * 1. Redistributions of source code must retain the above copyright 11130167Sgad * notice, this list of conditions and the following disclaimer. 12130167Sgad * 2. Redistributions in binary form must reproduce the above copyright 13130167Sgad * notice, this list of conditions and the following disclaimer in the 14130167Sgad * documentation and/or other materials provided with the distribution. 15130167Sgad * 16130167Sgad * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17130167Sgad * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18130167Sgad * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19130167Sgad * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20130167Sgad * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21130167Sgad * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22130167Sgad * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23130167Sgad * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24130167Sgad * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25130167Sgad * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26130167Sgad * SUCH DAMAGE. 27130167Sgad * 28130167Sgad * ------+---------+---------+-------- + --------+---------+---------+---------* 29130167Sgad */ 30130167Sgad 3113244Sgraichen/* 3213244Sgraichen * This file contains changes from the Open Software Foundation. 3313244Sgraichen */ 3413244Sgraichen 3513244Sgraichen/* 3659004Shm * Copyright 1988, 1989 by the Massachusetts Institute of Technology 3759004Shm * 3859004Shm * Permission to use, copy, modify, and distribute this software and its 3959004Shm * documentation for any purpose and without fee is hereby granted, provided 4059004Shm * that the above copyright notice appear in all copies and that both that 4159004Shm * copyright notice and this permission notice appear in supporting 4259004Shm * documentation, and that the names of M.I.T. and the M.I.T. S.I.P.B. not be 4359004Shm * used in advertising or publicity pertaining to distribution of the 4459004Shm * software without specific, written prior permission. M.I.T. and the M.I.T. 4559004Shm * S.I.P.B. make no representations about the suitability of this software 4659004Shm * for any purpose. It is provided "as is" without express or implied 4759004Shm * warranty. 4859004Shm * 4959004Shm */ 5013244Sgraichen 5113244Sgraichen/* 5259004Shm * newsyslog - roll over selected logs at the appropriate time, keeping the a 5359004Shm * specified number of backup files around. 5413244Sgraichen */ 5513244Sgraichen 56114601Sobrien#include <sys/cdefs.h> 57114601Sobrien__FBSDID("$FreeBSD: stable/10/usr.sbin/newsyslog/newsyslog.c 344882 2019-03-07 13:11:00Z dab $"); 5813244Sgraichen 59130045Sgad#define OSF 6013244Sgraichen 6196001Smaxim#include <sys/param.h> 62130167Sgad#include <sys/queue.h> 6396001Smaxim#include <sys/stat.h> 6496001Smaxim#include <sys/wait.h> 6596001Smaxim 66210372Ssimon#include <assert.h> 6730160Scharnier#include <ctype.h> 6830160Scharnier#include <err.h> 6995999Smaxim#include <errno.h> 70210372Ssimon#include <dirent.h> 7130160Scharnier#include <fcntl.h> 72111773Sgad#include <fnmatch.h> 73106905Ssobomax#include <glob.h> 7430160Scharnier#include <grp.h> 7543071Swollman#include <paths.h> 7630160Scharnier#include <pwd.h> 7730160Scharnier#include <signal.h> 7813244Sgraichen#include <stdio.h> 79210372Ssimon#include <libgen.h> 8013244Sgraichen#include <stdlib.h> 8113244Sgraichen#include <string.h> 82321263Sngie#include <syslog.h> 8343071Swollman#include <time.h> 8416240Salex#include <unistd.h> 8513244Sgraichen 8643071Swollman#include "pathnames.h" 87119998Sgad#include "extern.h" 8843071Swollman 89111768Sgad/* 90218127Smm * Compression suffixes 91218127Smm */ 92218127Smm#ifndef COMPRESS_SUFFIX_GZ 93218127Smm#define COMPRESS_SUFFIX_GZ ".gz" 94218127Smm#endif 95218127Smm 96218127Smm#ifndef COMPRESS_SUFFIX_BZ2 97218127Smm#define COMPRESS_SUFFIX_BZ2 ".bz2" 98218127Smm#endif 99218127Smm 100218127Smm#ifndef COMPRESS_SUFFIX_XZ 101218127Smm#define COMPRESS_SUFFIX_XZ ".xz" 102218127Smm#endif 103218127Smm 104218127Smm#define COMPRESS_SUFFIX_MAXLEN MAX(MAX(sizeof(COMPRESS_SUFFIX_GZ),sizeof(COMPRESS_SUFFIX_BZ2)),sizeof(COMPRESS_SUFFIX_XZ)) 105218127Smm 106218127Smm/* 107218127Smm * Compression types 108218127Smm */ 109218127Smm#define COMPRESS_TYPES 4 /* Number of supported compression types */ 110218127Smm 111218127Smm#define COMPRESS_NONE 0 112218127Smm#define COMPRESS_GZIP 1 113218127Smm#define COMPRESS_BZIP2 2 114218127Smm#define COMPRESS_XZ 3 115218127Smm 116218127Smm/* 117111768Sgad * Bit-values for the 'flags' parsed from a config-file entry. 118111768Sgad */ 119130045Sgad#define CE_BINARY 0x0008 /* Logfile is in binary, do not add status */ 120111768Sgad /* messages to logfile(s) when rotating. */ 121130045Sgad#define CE_NOSIGNAL 0x0010 /* There is no process to signal when */ 122111768Sgad /* trimming this file. */ 123130045Sgad#define CE_TRIMAT 0x0020 /* trim file at a specific time. */ 124130045Sgad#define CE_GLOB 0x0040 /* name of the log is file name pattern. */ 125130045Sgad#define CE_SIGNALGROUP 0x0080 /* Signal a process-group instead of a single */ 126112003Sgad /* process when trimming this file. */ 127130045Sgad#define CE_CREATE 0x0100 /* Create the log file if it does not exist. */ 128130043Sgad#define CE_NODUMP 0x0200 /* Set 'nodump' on newly created log file. */ 129221873Ssobomax#define CE_PID2CMD 0x0400 /* Replace PID file with a shell command.*/ 13043071Swollman 131321263Sngie#define CE_RFC5424 0x0800 /* Use RFC5424 format rotation message */ 132321263Sngie 133130045Sgad#define MIN_PID 5 /* Don't touch pids lower than this */ 134130045Sgad#define MAX_PID 99999 /* was lower, see /usr/include/sys/proc.h */ 135111781Sgad 136130045Sgad#define kbytes(size) (((size) + 1023) >> 10) 137111781Sgad 138130165Sgad#define DEFAULT_MARKER "<default>" 139130165Sgad#define DEBUG_MARKER "<debug>" 140208649Sgordon#define INCLUDE_MARKER "<include>" 141210372Ssimon#define DEFAULT_TIMEFNAME_FMT "%Y%m%dT%H%M%S" 142130165Sgad 143210372Ssimon#define MAX_OLDLOGS 65536 /* Default maximum number of old logfiles */ 144210372Ssimon 145218127Smmstruct compress_types { 146218127Smm const char *flag; /* Flag in configuration file */ 147218127Smm const char *suffix; /* Compression suffix */ 148218127Smm const char *path; /* Path to compression program */ 149218127Smm}; 150218127Smm 151241777Sedstatic const struct compress_types compress_type[COMPRESS_TYPES] = { 152218127Smm { "", "", "" }, /* no compression */ 153218127Smm { "Z", COMPRESS_SUFFIX_GZ, _PATH_GZIP }, /* gzip compression */ 154218127Smm { "J", COMPRESS_SUFFIX_BZ2, _PATH_BZIP2 }, /* bzip2 compression */ 155218127Smm { "X", COMPRESS_SUFFIX_XZ, _PATH_XZ } /* xz compression */ 156218127Smm}; 157218127Smm 15813244Sgraichenstruct conf_entry { 159208648Sgordon STAILQ_ENTRY(conf_entry) cf_nextp; 16059003Shm char *log; /* Name of the log */ 161221873Ssobomax char *pid_cmd_file; /* PID or command file */ 162111772Sgad char *r_reason; /* The reason this file is being rotated */ 163114137Sgad int firstcreate; /* Creating log for the first time (-C). */ 164111772Sgad int rotate; /* Non-zero if this file should be rotated */ 165130165Sgad int fsize; /* size found for the log file */ 166111779Sgad uid_t uid; /* Owner of log */ 167111779Sgad gid_t gid; /* Group of log */ 16859003Shm int numlogs; /* Number of logs to keep */ 169130165Sgad int trsize; /* Size cutoff to trigger trimming the log */ 17059003Shm int hours; /* Hours between log trimming */ 171120361Sgad struct ptime_data *trim_at; /* Specific time to do trimming */ 172139655Sdelphij unsigned int permissions; /* File permissions on the log */ 173218127Smm int flags; /* CE_BINARY */ 174218127Smm int compress; /* Compression */ 17559003Shm int sig; /* Signal to send */ 176111388Sgad int def_cfg; /* Using the <default> rule for this file */ 17713244Sgraichen}; 17813244Sgraichen 179130167Sgadstruct sigwork_entry { 180130167Sgad SLIST_ENTRY(sigwork_entry) sw_nextp; 181130167Sgad int sw_signum; /* the signal to send */ 182130167Sgad int sw_pidok; /* true if pid value is valid */ 183130167Sgad pid_t sw_pid; /* the process id from the PID file */ 184130167Sgad const char *sw_pidtype; /* "daemon" or "process group" */ 185245963Smarkj int sw_runcmd; /* run command or send PID to signal */ 186221873Ssobomax char sw_fname[1]; /* file the PID was read from or shell cmd */ 187130167Sgad}; 188130167Sgad 189130167Sgadstruct zipwork_entry { 190130167Sgad SLIST_ENTRY(zipwork_entry) zw_nextp; 191130167Sgad const struct conf_entry *zw_conf; /* for chown/perm/flag info */ 192130167Sgad const struct sigwork_entry *zw_swork; /* to know success of signal */ 193130167Sgad int zw_fsize; /* size of the file to compress */ 194130167Sgad char zw_fname[1]; /* the file to compress */ 195130167Sgad}; 196130167Sgad 197208649Sgordonstruct include_entry { 198208649Sgordon STAILQ_ENTRY(include_entry) inc_nextp; 199208649Sgordon const char *file; /* Name of file to process */ 200208649Sgordon}; 201208649Sgordon 202210372Ssimonstruct oldlog_entry { 203210372Ssimon char *fname; /* Filename of the log file */ 204215625Ssimon time_t t; /* Parsed timestamp of the logfile */ 205210372Ssimon}; 206210372Ssimon 207130165Sgadtypedef enum { 208130165Sgad FREE_ENT, KEEP_ENT 209130165Sgad} fk_entry; 210111388Sgad 211208648SgordonSTAILQ_HEAD(cflist, conf_entry); 212241777Sedstatic SLIST_HEAD(swlisthead, sigwork_entry) swhead = 213241777Sed SLIST_HEAD_INITIALIZER(swhead); 214241777Sedstatic SLIST_HEAD(zwlisthead, zipwork_entry) zwhead = 215241777Sed SLIST_HEAD_INITIALIZER(zwhead); 216208649SgordonSTAILQ_HEAD(ilist, include_entry); 217130167Sgad 218120361Sgadint dbg_at_times; /* -D Show details of 'trim_at' code */ 219120361Sgad 220241777Sedstatic int archtodir = 0; /* Archive old logfiles to other directory */ 221241777Sedstatic int createlogs; /* Create (non-GLOB) logfiles which do not */ 222114137Sgad /* already exist. 1=='for entries with */ 223114137Sgad /* C flag', 2=='for all entries'. */ 22459003Shmint verbose = 0; /* Print out what's going on */ 225241777Sedstatic int needroot = 1; /* Root privs are necessary */ 22659003Shmint noaction = 0; /* Don't do anything, just show it */ 227241777Sedstatic int norotate = 0; /* Don't rotate */ 228241777Sedstatic int nosignal; /* Do not send any signals */ 229241777Sedstatic int enforcepid = 0; /* If PID file does not exist or empty, do nothing */ 230241777Sedstatic int force = 0; /* Force the trim no matter what */ 231241777Sedstatic int rotatereq = 0; /* -R = Always rotate the file(s) as given */ 232111772Sgad /* on the command (this also requires */ 233111772Sgad /* that a list of files *are* given on */ 234111772Sgad /* the run command). */ 235241777Sedstatic char *requestor; /* The name given on a -R request */ 236241777Sedstatic char *timefnamefmt = NULL;/* Use time based filenames instead of .0 */ 237241777Sedstatic char *archdirname; /* Directory path to old logfiles archive */ 238241777Sedstatic char *destdir = NULL; /* Directory to treat at root for logs */ 239241777Sedstatic const char *conf; /* Configuration file to use */ 24059003Shm 241120361Sgadstruct ptime_data *dbg_timenow; /* A "timenow" value set via -D option */ 242241777Sedstatic struct ptime_data *timenow; /* The time to use for checking at-fields */ 243120361Sgad 244159998Sgad#define DAYTIME_LEN 16 245241777Sedstatic char daytime[DAYTIME_LEN];/* The current time in human readable form, 246241777Sed * used for rotation-tracking messages. */ 247321263Sngie 248321263Sngie/* Another buffer to hold the current time in RFC5424 format. Fractional 249321263Sngie * seconds are allowed by the RFC, but are not included in the 250321263Sngie * rotation-tracking messages written by newsyslog and so are not accounted for 251321263Sngie * in the length below. 252321263Sngie */ 253321263Sngie#define DAYTIME_RFC5424_LEN sizeof("YYYY-MM-DDTHH:MM:SS+00:00") 254321263Sngiestatic char daytime_rfc5424[DAYTIME_RFC5424_LEN]; 255321263Sngie 256241777Sedstatic char hostname[MAXHOSTNAMELEN]; /* hostname */ 25713244Sgraichen 258241777Sedstatic const char *path_syslogpid = _PATH_SYSLOGPID; 259210407Sbrian 260208648Sgordonstatic struct cflist *get_worklist(char **files); 261208648Sgordonstatic void parse_file(FILE *cf, struct cflist *work_p, struct cflist *glob_p, 262344882Sdab struct conf_entry **defconf, struct ilist *inclist); 263208649Sgordonstatic void add_to_queue(const char *fname, struct ilist *inclist); 26416240Salexstatic char *sob(char *p); 26516240Salexstatic char *son(char *p); 266119102Sgadstatic int isnumberstr(const char *); 267208649Sgordonstatic int isglobstr(const char *); 26859003Shmstatic char *missing_field(char *p, char *errline); 269130165Sgadstatic void change_attrs(const char *, const struct conf_entry *); 270218127Smmstatic const char *get_logfile_suffix(const char *logfile); 271130165Sgadstatic fk_entry do_entry(struct conf_entry *); 272130165Sgadstatic fk_entry do_rotate(const struct conf_entry *); 273130167Sgadstatic void do_sigwork(struct sigwork_entry *); 274130167Sgadstatic void do_zipwork(struct zipwork_entry *); 275130167Sgadstatic struct sigwork_entry * 276130167Sgad save_sigwork(const struct conf_entry *); 277130167Sgadstatic struct zipwork_entry * 278130167Sgad save_zipwork(const struct conf_entry *, const struct 279130167Sgad sigwork_entry *, int, const char *); 280130167Sgadstatic void set_swpid(struct sigwork_entry *, const struct conf_entry *); 281130165Sgadstatic int sizefile(const char *); 282208648Sgordonstatic void expand_globs(struct cflist *work_p, struct cflist *glob_p); 283208648Sgordonstatic void free_clist(struct cflist *list); 284111388Sgadstatic void free_entry(struct conf_entry *ent); 285111388Sgadstatic struct conf_entry *init_entry(const char *fname, 286111388Sgad struct conf_entry *src_entry); 287111781Sgadstatic void parse_args(int argc, char **argv); 288119904Sgadstatic int parse_doption(const char *doption); 28980640Sobrienstatic void usage(void); 290119926Sgadstatic int log_trim(const char *logname, const struct conf_entry *log_ent); 291248776Smarkjstatic int age_old_log(const char *file); 292130038Sgadstatic void savelog(char *from, char *to); 293114137Sgadstatic void createdir(const struct conf_entry *ent, char *dirpart); 294114137Sgadstatic void createlog(const struct conf_entry *ent); 295290225Sbaptstatic int parse_signal(const char *str); 29613244Sgraichen 297111768Sgad/* 298129975Sgad * All the following take a parameter of 'int', but expect values in the 299129975Sgad * range of unsigned char. Define wrappers which take values of type 'char', 300129975Sgad * whether signed or unsigned, and ensure they end up in the right range. 301111768Sgad */ 302129975Sgad#define isdigitch(Anychar) isdigit((u_char)(Anychar)) 303129975Sgad#define isprintch(Anychar) isprint((u_char)(Anychar)) 304129975Sgad#define isspacech(Anychar) isspace((u_char)(Anychar)) 305129975Sgad#define tolowerch(Anychar) tolower((u_char)(Anychar)) 306111768Sgad 30759004Shmint 30859004Shmmain(int argc, char **argv) 30913244Sgraichen{ 310208648Sgordon struct cflist *worklist; 311208648Sgordon struct conf_entry *p; 312130167Sgad struct sigwork_entry *stmp; 313130167Sgad struct zipwork_entry *ztmp; 31425443Sache 315130167Sgad SLIST_INIT(&swhead); 316130167Sgad SLIST_INIT(&zwhead); 317130167Sgad 318111781Sgad parse_args(argc, argv); 319111773Sgad argc -= optind; 320111773Sgad argv += optind; 321111773Sgad 32259003Shm if (needroot && getuid() && geteuid()) 32359003Shm errx(1, "must have root privs"); 324208648Sgordon worklist = get_worklist(argv); 32559003Shm 326130165Sgad /* 327130165Sgad * Rotate all the files which need to be rotated. Note that 328130165Sgad * some users have *hundreds* of entries in newsyslog.conf! 329130165Sgad */ 330208648Sgordon while (!STAILQ_EMPTY(worklist)) { 331208648Sgordon p = STAILQ_FIRST(worklist); 332208648Sgordon STAILQ_REMOVE_HEAD(worklist, cf_nextp); 333208648Sgordon if (do_entry(p) == FREE_ENT) 334208648Sgordon free_entry(p); 33559003Shm } 336130165Sgad 337130167Sgad /* 338130167Sgad * Send signals to any processes which need a signal to tell 339130167Sgad * them to close and re-open the log file(s) we have rotated. 340130167Sgad * Note that zipwork_entries include pointers to these 341130167Sgad * sigwork_entry's, so we can not free the entries here. 342130167Sgad */ 343130167Sgad if (!SLIST_EMPTY(&swhead)) { 344130204Sgad if (noaction || verbose) 345130167Sgad printf("Signal all daemon process(es)...\n"); 346130167Sgad SLIST_FOREACH(stmp, &swhead, sw_nextp) 347130167Sgad do_sigwork(stmp); 348301926Svangyzen if (!(rotatereq && nosignal)) { 349301926Svangyzen if (noaction) 350301926Svangyzen printf("\tsleep 10\n"); 351301926Svangyzen else { 352301926Svangyzen if (verbose) 353301926Svangyzen printf("Pause 10 seconds to allow " 354301926Svangyzen "daemon(s) to close log file(s)\n"); 355301926Svangyzen sleep(10); 356301926Svangyzen } 357130204Sgad } 358130167Sgad } 359130167Sgad /* 360130167Sgad * Compress all files that we're expected to compress, now 361130167Sgad * that all processes should have closed the files which 362130167Sgad * have been rotated. 363130167Sgad */ 364130167Sgad if (!SLIST_EMPTY(&zwhead)) { 365130204Sgad if (noaction || verbose) 366130167Sgad printf("Compress all rotated log file(s)...\n"); 367130167Sgad while (!SLIST_EMPTY(&zwhead)) { 368130167Sgad ztmp = SLIST_FIRST(&zwhead); 369130167Sgad do_zipwork(ztmp); 370130167Sgad SLIST_REMOVE_HEAD(&zwhead, zw_nextp); 371130167Sgad free(ztmp); 372130167Sgad } 373130167Sgad } 374130167Sgad /* Now free all the sigwork entries. */ 375130167Sgad while (!SLIST_EMPTY(&swhead)) { 376130167Sgad stmp = SLIST_FIRST(&swhead); 377130167Sgad SLIST_REMOVE_HEAD(&swhead, sw_nextp); 378130167Sgad free(stmp); 379130167Sgad } 380130167Sgad 38195999Smaxim while (wait(NULL) > 0 || errno == EINTR) 38295999Smaxim ; 38359003Shm return (0); 38413244Sgraichen} 38513244Sgraichen 386111388Sgadstatic struct conf_entry * 387111388Sgadinit_entry(const char *fname, struct conf_entry *src_entry) 388111388Sgad{ 389111388Sgad struct conf_entry *tempwork; 390111388Sgad 391111388Sgad if (verbose > 4) 392111388Sgad printf("\t--> [creating entry for %s]\n", fname); 393111388Sgad 394111388Sgad tempwork = malloc(sizeof(struct conf_entry)); 395111388Sgad if (tempwork == NULL) 396111388Sgad err(1, "malloc of conf_entry for %s", fname); 397111388Sgad 398136174Sbrooks if (destdir == NULL || fname[0] != '/') 399136127Sbrooks tempwork->log = strdup(fname); 400136127Sbrooks else 401136127Sbrooks asprintf(&tempwork->log, "%s%s", destdir, fname); 402111388Sgad if (tempwork->log == NULL) 403111388Sgad err(1, "strdup for %s", fname); 404111388Sgad 405111388Sgad if (src_entry != NULL) { 406221873Ssobomax tempwork->pid_cmd_file = NULL; 407221873Ssobomax if (src_entry->pid_cmd_file) 408221873Ssobomax tempwork->pid_cmd_file = strdup(src_entry->pid_cmd_file); 409111772Sgad tempwork->r_reason = NULL; 410114137Sgad tempwork->firstcreate = 0; 411111772Sgad tempwork->rotate = 0; 412130165Sgad tempwork->fsize = -1; 413111388Sgad tempwork->uid = src_entry->uid; 414111388Sgad tempwork->gid = src_entry->gid; 415111388Sgad tempwork->numlogs = src_entry->numlogs; 416130165Sgad tempwork->trsize = src_entry->trsize; 417111388Sgad tempwork->hours = src_entry->hours; 418120361Sgad tempwork->trim_at = NULL; 419120361Sgad if (src_entry->trim_at != NULL) 420120361Sgad tempwork->trim_at = ptime_init(src_entry->trim_at); 421111388Sgad tempwork->permissions = src_entry->permissions; 422111388Sgad tempwork->flags = src_entry->flags; 423218127Smm tempwork->compress = src_entry->compress; 424111388Sgad tempwork->sig = src_entry->sig; 425111388Sgad tempwork->def_cfg = src_entry->def_cfg; 426111388Sgad } else { 427111388Sgad /* Initialize as a "do-nothing" entry */ 428221873Ssobomax tempwork->pid_cmd_file = NULL; 429111772Sgad tempwork->r_reason = NULL; 430114137Sgad tempwork->firstcreate = 0; 431111772Sgad tempwork->rotate = 0; 432130165Sgad tempwork->fsize = -1; 433111779Sgad tempwork->uid = (uid_t)-1; 434111779Sgad tempwork->gid = (gid_t)-1; 435111388Sgad tempwork->numlogs = 1; 436130165Sgad tempwork->trsize = -1; 437111388Sgad tempwork->hours = -1; 438120361Sgad tempwork->trim_at = NULL; 439111388Sgad tempwork->permissions = 0; 440111388Sgad tempwork->flags = 0; 441218127Smm tempwork->compress = COMPRESS_NONE; 442111388Sgad tempwork->sig = SIGHUP; 443111388Sgad tempwork->def_cfg = 0; 444111388Sgad } 445111388Sgad 446111388Sgad return (tempwork); 447111388Sgad} 448111388Sgad 44959004Shmstatic void 450111388Sgadfree_entry(struct conf_entry *ent) 451111388Sgad{ 452111388Sgad 453111388Sgad if (ent == NULL) 454111388Sgad return; 455111388Sgad 456111388Sgad if (ent->log != NULL) { 457111388Sgad if (verbose > 4) 458111388Sgad printf("\t--> [freeing entry for %s]\n", ent->log); 459111388Sgad free(ent->log); 460111388Sgad ent->log = NULL; 461111388Sgad } 462111388Sgad 463221873Ssobomax if (ent->pid_cmd_file != NULL) { 464221873Ssobomax free(ent->pid_cmd_file); 465221873Ssobomax ent->pid_cmd_file = NULL; 466111388Sgad } 467111388Sgad 468111772Sgad if (ent->r_reason != NULL) { 469111772Sgad free(ent->r_reason); 470111772Sgad ent->r_reason = NULL; 471111772Sgad } 472111772Sgad 473120361Sgad if (ent->trim_at != NULL) { 474120361Sgad ptime_free(ent->trim_at); 475120361Sgad ent->trim_at = NULL; 476120361Sgad } 477120361Sgad 478111388Sgad free(ent); 479111388Sgad} 480111388Sgad 481111388Sgadstatic void 482208648Sgordonfree_clist(struct cflist *list) 483112020Sgad{ 484208648Sgordon struct conf_entry *ent; 485112020Sgad 486208648Sgordon while (!STAILQ_EMPTY(list)) { 487208648Sgordon ent = STAILQ_FIRST(list); 488208648Sgordon STAILQ_REMOVE_HEAD(list, cf_nextp); 489112020Sgad free_entry(ent); 490112020Sgad } 491208648Sgordon 492208648Sgordon free(list); 493208648Sgordon list = NULL; 494112020Sgad} 495112020Sgad 496130165Sgadstatic fk_entry 49759004Shmdo_entry(struct conf_entry * ent) 49813244Sgraichen{ 499130045Sgad#define REASON_MAX 80 500130165Sgad int modtime; 501130165Sgad fk_entry free_or_keep; 502120361Sgad double diffsecs; 503111772Sgad char temp_reason[REASON_MAX]; 504233257Sglebius int oversized; 50559003Shm 506130165Sgad free_or_keep = FREE_ENT; 507218127Smm if (verbose) 508218127Smm printf("%s <%d%s>: ", ent->log, ent->numlogs, 509218127Smm compress_type[ent->compress].flag); 510130165Sgad ent->fsize = sizefile(ent->log); 511233257Sglebius oversized = ((ent->trsize > 0) && (ent->fsize >= ent->trsize)); 51259003Shm modtime = age_old_log(ent->log); 513111772Sgad ent->rotate = 0; 514114137Sgad ent->firstcreate = 0; 515130165Sgad if (ent->fsize < 0) { 516114137Sgad /* 517114137Sgad * If either the C flag or the -C option was specified, 518114137Sgad * and if we won't be creating the file, then have the 519114137Sgad * verbose message include a hint as to why the file 520114137Sgad * will not be created. 521114137Sgad */ 522114137Sgad temp_reason[0] = '\0'; 523114137Sgad if (createlogs > 1) 524114137Sgad ent->firstcreate = 1; 525114137Sgad else if ((ent->flags & CE_CREATE) && createlogs) 526114137Sgad ent->firstcreate = 1; 527114137Sgad else if (ent->flags & CE_CREATE) 528159998Sgad strlcpy(temp_reason, " (no -C option)", REASON_MAX); 529114137Sgad else if (createlogs) 530159998Sgad strlcpy(temp_reason, " (no C flag)", REASON_MAX); 531114137Sgad 532114137Sgad if (ent->firstcreate) { 533114137Sgad if (verbose) 534114137Sgad printf("does not exist -> will create.\n"); 535114137Sgad createlog(ent); 536114137Sgad } else if (verbose) { 537114137Sgad printf("does not exist, skipped%s.\n", temp_reason); 538114137Sgad } 53959003Shm } else { 540233257Sglebius if (ent->flags & CE_TRIMAT && !force && !rotatereq && 541233257Sglebius !oversized) { 542120361Sgad diffsecs = ptimeget_diff(timenow, ent->trim_at); 543120361Sgad if (diffsecs < 0.0) { 544120361Sgad /* trim_at is some time in the future. */ 545120361Sgad if (verbose) { 546120361Sgad ptime_adjust4dst(ent->trim_at, 547120361Sgad timenow); 54843071Swollman printf("--> will trim at %s", 549120361Sgad ptimeget_ctime(ent->trim_at)); 550120361Sgad } 551130165Sgad return (free_or_keep); 552120361Sgad } else if (diffsecs >= 3600.0) { 553120361Sgad /* 554120361Sgad * trim_at is more than an hour in the past, 555120361Sgad * so find the next valid trim_at time, and 556120361Sgad * tell the user what that will be. 557120361Sgad */ 558120361Sgad if (verbose && dbg_at_times) 559120361Sgad printf("\n\t--> prev trim at %s\t", 560120361Sgad ptimeget_ctime(ent->trim_at)); 561120361Sgad if (verbose) { 562120361Sgad ptimeset_nxtime(ent->trim_at); 563120361Sgad printf("--> will trim at %s", 564120361Sgad ptimeget_ctime(ent->trim_at)); 565120361Sgad } 566130165Sgad return (free_or_keep); 567120361Sgad } else if (verbose && noaction && dbg_at_times) { 568120361Sgad /* 569120361Sgad * If we are just debugging at-times, then 570120361Sgad * a detailed message is helpful. Also 571120361Sgad * skip "doing" any commands, since they 572120361Sgad * would all be turned off by no-action. 573120361Sgad */ 574120361Sgad printf("\n\t--> timematch at %s", 575120361Sgad ptimeget_ctime(ent->trim_at)); 576130165Sgad return (free_or_keep); 57743071Swollman } else if (verbose && ent->hours <= 0) { 57843071Swollman printf("--> time is up\n"); 57943071Swollman } 58043071Swollman } 581130165Sgad if (verbose && (ent->trsize > 0)) 582130165Sgad printf("size (Kb): %d [%d] ", ent->fsize, ent->trsize); 58359003Shm if (verbose && (ent->hours > 0)) 58459003Shm printf(" age (hr): %d [%d] ", modtime, ent->hours); 585111772Sgad 586111772Sgad /* 587111772Sgad * Figure out if this logfile needs to be rotated. 588111772Sgad */ 589111772Sgad temp_reason[0] = '\0'; 590111772Sgad if (rotatereq) { 591111772Sgad ent->rotate = 1; 592111772Sgad snprintf(temp_reason, REASON_MAX, " due to -R from %s", 593111772Sgad requestor); 594111772Sgad } else if (force) { 595111772Sgad ent->rotate = 1; 596111772Sgad snprintf(temp_reason, REASON_MAX, " due to -F request"); 597233257Sglebius } else if (oversized) { 598111772Sgad ent->rotate = 1; 599111772Sgad snprintf(temp_reason, REASON_MAX, " due to size>%dK", 600130165Sgad ent->trsize); 601111772Sgad } else if (ent->hours <= 0 && (ent->flags & CE_TRIMAT)) { 602111772Sgad ent->rotate = 1; 603111772Sgad } else if ((ent->hours > 0) && ((modtime >= ent->hours) || 604111772Sgad (modtime < 0))) { 605111772Sgad ent->rotate = 1; 606111772Sgad } 607111772Sgad 608111772Sgad /* 609111772Sgad * If the file needs to be rotated, then rotate it. 610111772Sgad */ 611143106Sbrooks if (ent->rotate && !norotate) { 612111772Sgad if (temp_reason[0] != '\0') 613111772Sgad ent->r_reason = strdup(temp_reason); 61459003Shm if (verbose) 61559003Shm printf("--> trimming log....\n"); 616218127Smm if (noaction && !verbose) 617218127Smm printf("%s <%d%s>: trimming\n", ent->log, 618218127Smm ent->numlogs, 619218127Smm compress_type[ent->compress].flag); 620130165Sgad free_or_keep = do_rotate(ent); 62159003Shm } else { 62259003Shm if (verbose) 62359003Shm printf("--> skipping\n"); 62459003Shm } 62559003Shm } 626130165Sgad return (free_or_keep); 627111772Sgad#undef REASON_MAX 62813244Sgraichen} 62913244Sgraichen 63059004Shmstatic void 631111781Sgadparse_args(int argc, char **argv) 63213244Sgraichen{ 633111781Sgad int ch; 63459003Shm char *p; 63513244Sgraichen 636120361Sgad timenow = ptime_init(NULL); 637120361Sgad ptimeset_time(timenow, time(NULL)); 638159998Sgad strlcpy(daytime, ptimeget_ctime(timenow) + 4, DAYTIME_LEN); 639321263Sngie ptimeget_ctime_rfc5424(timenow, daytime_rfc5424, DAYTIME_RFC5424_LEN); 64013244Sgraichen 64159003Shm /* Let's get our hostname */ 642111781Sgad (void)gethostname(hostname, sizeof(hostname)); 64313244Sgraichen 64413244Sgraichen /* Truncate domain */ 645111781Sgad if ((p = strchr(hostname, '.')) != NULL) 64613244Sgraichen *p = '\0'; 647111768Sgad 648111768Sgad /* Parse command line options. */ 649216832Sbrian while ((ch = getopt(argc, argv, "a:d:f:nrst:vCD:FNPR:S:")) != -1) 650111781Sgad switch (ch) { 65159004Shm case 'a': 65259004Shm archtodir++; 65359004Shm archdirname = optarg; 65459004Shm break; 655136127Sbrooks case 'd': 656136127Sbrooks destdir = optarg; 657136127Sbrooks break; 658111768Sgad case 'f': 659111768Sgad conf = optarg; 660111768Sgad break; 661111768Sgad case 'n': 662111768Sgad noaction++; 663244996Smarkj /* FALLTHROUGH */ 66459003Shm case 'r': 66559003Shm needroot = 0; 66659003Shm break; 667111768Sgad case 's': 668111768Sgad nosignal = 1; 669111768Sgad break; 670210372Ssimon case 't': 671210372Ssimon if (optarg[0] == '\0' || 672210372Ssimon strcmp(optarg, "DEFAULT") == 0) 673210372Ssimon timefnamefmt = strdup(DEFAULT_TIMEFNAME_FMT); 674210372Ssimon else 675210372Ssimon timefnamefmt = strdup(optarg); 676210372Ssimon break; 67759003Shm case 'v': 67859003Shm verbose++; 67959003Shm break; 680114137Sgad case 'C': 681114137Sgad /* Useful for things like rc.diskless... */ 682114137Sgad createlogs++; 683114137Sgad break; 684119904Sgad case 'D': 685119904Sgad /* 686119904Sgad * Set some debugging option. The specific option 687119904Sgad * depends on the value of optarg. These options 688119904Sgad * may come and go without notice or documentation. 689119904Sgad */ 690119904Sgad if (parse_doption(optarg)) 691119904Sgad break; 692119904Sgad usage(); 693119904Sgad /* NOTREACHED */ 69434584Spst case 'F': 69534584Spst force++; 69634584Spst break; 697143106Sbrooks case 'N': 698143106Sbrooks norotate++; 699143106Sbrooks break; 700202668Sdelphij case 'P': 701202668Sdelphij enforcepid++; 702202668Sdelphij break; 703111772Sgad case 'R': 704111772Sgad rotatereq++; 705111772Sgad requestor = strdup(optarg); 706111772Sgad break; 707210407Sbrian case 'S': 708210407Sbrian path_syslogpid = optarg; 709210407Sbrian break; 710111781Sgad case 'm': /* Used by OpenBSD for "monitor mode" */ 71159003Shm default: 71259003Shm usage(); 713111768Sgad /* NOTREACHED */ 71459003Shm } 715111772Sgad 716143106Sbrooks if (force && norotate) { 717143106Sbrooks warnx("Only one of -F and -N may be specified."); 718143106Sbrooks usage(); 719143106Sbrooks /* NOTREACHED */ 720143106Sbrooks } 721143106Sbrooks 722111772Sgad if (rotatereq) { 723111772Sgad if (optind == argc) { 724111772Sgad warnx("At least one filename must be given when -R is specified."); 725111772Sgad usage(); 726111772Sgad /* NOTREACHED */ 727111772Sgad } 728111772Sgad /* Make sure "requestor" value is safe for a syslog message. */ 729111772Sgad for (p = requestor; *p != '\0'; p++) { 730111772Sgad if (!isprintch(*p) && (*p != '\t')) 731111772Sgad *p = '.'; 732111772Sgad } 733111772Sgad } 734119904Sgad 735119904Sgad if (dbg_timenow) { 736119904Sgad /* 737119904Sgad * Note that the 'daytime' variable is not changed. 738119904Sgad * That is only used in messages that track when a 739119904Sgad * logfile is rotated, and if a file *is* rotated, 740119904Sgad * then it will still rotated at the "real now" time. 741119904Sgad */ 742120361Sgad ptime_free(timenow); 743119904Sgad timenow = dbg_timenow; 744119904Sgad fprintf(stderr, "Debug: Running as if TimeNow is %s", 745120361Sgad ptimeget_ctime(dbg_timenow)); 746119904Sgad } 747119904Sgad 74843071Swollman} 74913244Sgraichen 750120361Sgad/* 751120361Sgad * These debugging options are mainly meant for developer use, such 752120361Sgad * as writing regression-tests. They would not be needed by users 753120361Sgad * during normal operation of newsyslog... 754120361Sgad */ 755119904Sgadstatic int 756119904Sgadparse_doption(const char *doption) 757119904Sgad{ 758119904Sgad const char TN[] = "TN="; 759120361Sgad int res; 760119904Sgad 761119904Sgad if (strncmp(doption, TN, sizeof(TN) - 1) == 0) { 762119904Sgad /* 763120361Sgad * The "TimeNow" debugging option. This might be off 764120361Sgad * by an hour when crossing a timezone change. 765119904Sgad */ 766120361Sgad dbg_timenow = ptime_init(NULL); 767120361Sgad res = ptime_relparse(dbg_timenow, PTM_PARSE_ISO8601, 768120361Sgad time(NULL), doption + sizeof(TN) - 1); 769120361Sgad if (res == -2) { 770120361Sgad warnx("Non-existent time specified on -D %s", doption); 771120361Sgad return (0); /* failure */ 772120361Sgad } else if (res < 0) { 773119904Sgad warnx("Malformed time given on -D %s", doption); 774119904Sgad return (0); /* failure */ 775119904Sgad } 776119904Sgad return (1); /* successfully parsed */ 777119904Sgad 778119904Sgad } 779119904Sgad 780120361Sgad if (strcmp(doption, "ats") == 0) { 781120361Sgad dbg_at_times++; 782120361Sgad return (1); /* successfully parsed */ 783120361Sgad } 784120361Sgad 785159968Sgad /* XXX - This check could probably be dropped. */ 786159968Sgad if ((strcmp(doption, "neworder") == 0) || (strcmp(doption, "oldorder") 787159968Sgad == 0)) { 788159968Sgad warnx("NOTE: newsyslog always uses 'neworder'."); 789130167Sgad return (1); /* successfully parsed */ 790130167Sgad } 791130167Sgad 792130165Sgad warnx("Unknown -D (debug) option: '%s'", doption); 793119904Sgad return (0); /* failure */ 794119904Sgad} 795119904Sgad 79659004Shmstatic void 79759004Shmusage(void) 79813244Sgraichen{ 79980646Sobrien 80080646Sobrien fprintf(stderr, 801219434Sru "usage: newsyslog [-CFNPnrsv] [-a directory] [-d directory] [-f config_file]\n" 802219434Sru " [-S pidfile] [-t timefmt] [[-R tagname] file ...]\n"); 80359003Shm exit(1); 80413244Sgraichen} 80513244Sgraichen 80659004Shm/* 807111773Sgad * Parse a configuration file and return a linked list of all the logs 808111773Sgad * which should be processed. 80913244Sgraichen */ 810208648Sgordonstatic struct cflist * 811111773Sgadget_worklist(char **files) 81213244Sgraichen{ 81359003Shm FILE *f; 814111773Sgad char **given; 815208649Sgordon struct cflist *cmdlist, *filelist, *globlist; 816208648Sgordon struct conf_entry *defconf, *dupent, *ent; 817208649Sgordon struct ilist inclist; 818208649Sgordon struct include_entry *inc; 819112020Sgad int gmatch, fnres; 820111773Sgad 821208648Sgordon defconf = NULL; 822208649Sgordon STAILQ_INIT(&inclist); 823111773Sgad 824208648Sgordon filelist = malloc(sizeof(struct cflist)); 825208648Sgordon if (filelist == NULL) 826208648Sgordon err(1, "malloc of filelist"); 827208648Sgordon STAILQ_INIT(filelist); 828208648Sgordon globlist = malloc(sizeof(struct cflist)); 829208648Sgordon if (globlist == NULL) 830208648Sgordon err(1, "malloc of globlist"); 831208648Sgordon STAILQ_INIT(globlist); 832208648Sgordon 833208649Sgordon inc = malloc(sizeof(struct include_entry)); 834208649Sgordon if (inc == NULL) 835208649Sgordon err(1, "malloc of inc"); 836208649Sgordon inc->file = conf; 837208649Sgordon if (inc->file == NULL) 838208649Sgordon inc->file = _PATH_CONF; 839208649Sgordon STAILQ_INSERT_TAIL(&inclist, inc, inc_nextp); 840111773Sgad 841208649Sgordon STAILQ_FOREACH(inc, &inclist, inc_nextp) { 842208649Sgordon if (strcmp(inc->file, "-") != 0) 843208649Sgordon f = fopen(inc->file, "r"); 844208649Sgordon else { 845208649Sgordon f = stdin; 846208649Sgordon inc->file = "<stdin>"; 847208649Sgordon } 848208649Sgordon if (!f) 849208649Sgordon err(1, "%s", inc->file); 850208649Sgordon 851208649Sgordon if (verbose) 852208649Sgordon printf("Processing %s\n", inc->file); 853344882Sdab parse_file(f, filelist, globlist, &defconf, &inclist); 854208649Sgordon (void) fclose(f); 855111773Sgad } 856111773Sgad 857111773Sgad /* 858111773Sgad * All config-file information has been read in and turned into 859208648Sgordon * a filelist and a globlist. If there were no specific files 860112020Sgad * given on the run command, then the only thing left to do is to 861112020Sgad * call a routine which finds all files matched by the globlist 862208648Sgordon * and adds them to the filelist. Then return the worklist. 863111773Sgad */ 864111773Sgad if (*files == NULL) { 865208648Sgordon expand_globs(filelist, globlist); 866208648Sgordon free_clist(globlist); 867111773Sgad if (defconf != NULL) 868111773Sgad free_entry(defconf); 869208648Sgordon return (filelist); 870111773Sgad } 871111773Sgad 872111773Sgad /* 873111773Sgad * If newsyslog was given a specific list of files to process, 874111773Sgad * it may be that some of those files were not listed in any 875111773Sgad * config file. Those unlisted files should get the default 876111773Sgad * rotation action. First, create the default-rotation action 877111773Sgad * if none was found in a system config file. 878111773Sgad */ 879111773Sgad if (defconf == NULL) { 880111773Sgad defconf = init_entry(DEFAULT_MARKER, NULL); 881111773Sgad defconf->numlogs = 3; 882130165Sgad defconf->trsize = 50; 883111773Sgad defconf->permissions = S_IRUSR|S_IWUSR; 884111773Sgad } 885111773Sgad 886111773Sgad /* 887111773Sgad * If newsyslog was run with a list of specific filenames, 888111773Sgad * then create a new worklist which has only those files in 889111773Sgad * it, picking up the rotation-rules for those files from 890208648Sgordon * the original filelist. 891111773Sgad * 892111773Sgad * XXX - Note that this will copy multiple rules for a single 893111773Sgad * logfile, if multiple entries are an exact match for 894111773Sgad * that file. That matches the historic behavior, but do 895111773Sgad * we want to continue to allow it? If so, it should 896111773Sgad * probably be handled more intelligently. 897111773Sgad */ 898208648Sgordon cmdlist = malloc(sizeof(struct cflist)); 899208648Sgordon if (cmdlist == NULL) 900208648Sgordon err(1, "malloc of cmdlist"); 901208648Sgordon STAILQ_INIT(cmdlist); 902208648Sgordon 903111773Sgad for (given = files; *given; ++given) { 904111773Sgad /* 905111773Sgad * First try to find exact-matches for this given file. 906111773Sgad */ 907112020Sgad gmatch = 0; 908208648Sgordon STAILQ_FOREACH(ent, filelist, cf_nextp) { 909111773Sgad if (strcmp(ent->log, *given) == 0) { 910111773Sgad gmatch++; 911111773Sgad dupent = init_entry(*given, ent); 912208648Sgordon STAILQ_INSERT_TAIL(cmdlist, dupent, cf_nextp); 913111773Sgad } 914111773Sgad } 915111773Sgad if (gmatch) { 916111773Sgad if (verbose > 2) 917111773Sgad printf("\t+ Matched entry %s\n", *given); 918111773Sgad continue; 919111773Sgad } 920111773Sgad 921111773Sgad /* 922111773Sgad * There was no exact-match for this given file, so look 923111773Sgad * for a "glob" entry which does match. 924111773Sgad */ 925112020Sgad gmatch = 0; 926344882Sdab if (verbose > 2) 927112020Sgad printf("\t+ Checking globs for %s\n", *given); 928208648Sgordon STAILQ_FOREACH(ent, globlist, cf_nextp) { 929112020Sgad fnres = fnmatch(ent->log, *given, FNM_PATHNAME); 930112020Sgad if (verbose > 2) 931112020Sgad printf("\t+ = %d for pattern %s\n", fnres, 932112020Sgad ent->log); 933112020Sgad if (fnres == 0) { 934111773Sgad gmatch++; 935111773Sgad dupent = init_entry(*given, ent); 936112020Sgad /* This new entry is not a glob! */ 937111773Sgad dupent->flags &= ~CE_GLOB; 938208648Sgordon STAILQ_INSERT_TAIL(cmdlist, dupent, cf_nextp); 939111773Sgad /* Only allow a match to one glob-entry */ 940111773Sgad break; 941111773Sgad } 942111773Sgad } 943111773Sgad if (gmatch) { 944111773Sgad if (verbose > 2) 945111773Sgad printf("\t+ Matched %s via %s\n", *given, 946111773Sgad ent->log); 947111773Sgad continue; 948111773Sgad } 949111773Sgad 950111773Sgad /* 951111773Sgad * This given file was not found in any config file, so 952111773Sgad * add a worklist item based on the default entry. 953111773Sgad */ 954111773Sgad if (verbose > 2) 955111773Sgad printf("\t+ No entry matched %s (will use %s)\n", 956111773Sgad *given, DEFAULT_MARKER); 957111773Sgad dupent = init_entry(*given, defconf); 958111773Sgad /* Mark that it was *not* found in a config file */ 959111773Sgad dupent->def_cfg = 1; 960208648Sgordon STAILQ_INSERT_TAIL(cmdlist, dupent, cf_nextp); 961111773Sgad } 962111773Sgad 963111773Sgad /* 964112020Sgad * Free all the entries in the original work list, the list of 965112020Sgad * glob entries, and the default entry. 966111773Sgad */ 967208648Sgordon free_clist(filelist); 968208648Sgordon free_clist(globlist); 969112020Sgad free_entry(defconf); 970111773Sgad 971112020Sgad /* And finally, return a worklist which matches the given files. */ 972208648Sgordon return (cmdlist); 973111773Sgad} 974111773Sgad 975111773Sgad/* 976112020Sgad * Expand the list of entries with filename patterns, and add all files 977112020Sgad * which match those glob-entries onto the worklist. 978112020Sgad */ 979112020Sgadstatic void 980208648Sgordonexpand_globs(struct cflist *work_p, struct cflist *glob_p) 981112020Sgad{ 982161412Sdelphij int gmatch, gres; 983161412Sdelphij size_t i; 984112020Sgad char *mfname; 985208648Sgordon struct conf_entry *dupent, *ent, *globent; 986112020Sgad glob_t pglob; 987112020Sgad struct stat st_fm; 988112020Sgad 989112020Sgad /* 990112020Sgad * The worklist contains all fully-specified (non-GLOB) names. 991112020Sgad * 992112020Sgad * Now expand the list of filename-pattern (GLOB) entries into 993112020Sgad * a second list, which (by definition) will only match files 994112020Sgad * that already exist. Do not add a glob-related entry for any 995112020Sgad * file which already exists in the fully-specified list. 996112020Sgad */ 997208648Sgordon STAILQ_FOREACH(globent, glob_p, cf_nextp) { 998112020Sgad gres = glob(globent->log, GLOB_NOCHECK, NULL, &pglob); 999112020Sgad if (gres != 0) { 1000112020Sgad warn("cannot expand pattern (%d): %s", gres, 1001112020Sgad globent->log); 1002112020Sgad continue; 1003112020Sgad } 1004112020Sgad 1005112020Sgad if (verbose > 2) 1006112020Sgad printf("\t+ Expanding pattern %s\n", globent->log); 1007112020Sgad for (i = 0; i < pglob.gl_matchc; i++) { 1008112020Sgad mfname = pglob.gl_pathv[i]; 1009112020Sgad 1010112020Sgad /* See if this file already has a specific entry. */ 1011112020Sgad gmatch = 0; 1012208648Sgordon STAILQ_FOREACH(ent, work_p, cf_nextp) { 1013112020Sgad if (strcmp(mfname, ent->log) == 0) { 1014112020Sgad gmatch++; 1015112020Sgad break; 1016112020Sgad } 1017112020Sgad } 1018112020Sgad if (gmatch) 1019112020Sgad continue; 1020112020Sgad 1021112020Sgad /* Make sure the named matched is a file. */ 1022112020Sgad gres = lstat(mfname, &st_fm); 1023112020Sgad if (gres != 0) { 1024112020Sgad /* Error on a file that glob() matched?!? */ 1025112020Sgad warn("Skipping %s - lstat() error", mfname); 1026112020Sgad continue; 1027112020Sgad } 1028112020Sgad if (!S_ISREG(st_fm.st_mode)) { 1029112020Sgad /* We only rotate files! */ 1030112020Sgad if (verbose > 2) 1031112020Sgad printf("\t+ . skipping %s (!file)\n", 1032112020Sgad mfname); 1033112020Sgad continue; 1034112020Sgad } 1035112020Sgad 1036112020Sgad if (verbose > 2) 1037112020Sgad printf("\t+ . add file %s\n", mfname); 1038112020Sgad dupent = init_entry(mfname, globent); 1039112020Sgad /* This new entry is not a glob! */ 1040112020Sgad dupent->flags &= ~CE_GLOB; 1041208648Sgordon 1042208648Sgordon /* Add to the worklist. */ 1043208648Sgordon STAILQ_INSERT_TAIL(work_p, dupent, cf_nextp); 1044112020Sgad } 1045112020Sgad globfree(&pglob); 1046112020Sgad if (verbose > 2) 1047112020Sgad printf("\t+ Done with pattern %s\n", globent->log); 1048112020Sgad } 1049112020Sgad} 1050112020Sgad 1051112020Sgad/* 1052111773Sgad * Parse a configuration file and update a linked list of all the logs to 1053111773Sgad * process. 1054111773Sgad */ 1055111773Sgadstatic void 1056208648Sgordonparse_file(FILE *cf, struct cflist *work_p, struct cflist *glob_p, 1057344882Sdab struct conf_entry **defconf_p, struct ilist *inclist) 1058111773Sgad{ 105959003Shm char line[BUFSIZ], *parse, *q; 1060107737Ssobomax char *cp, *errline, *group; 1061208648Sgordon struct conf_entry *working; 1062111781Sgad struct passwd *pwd; 106359003Shm struct group *grp; 1064208649Sgordon glob_t pglob; 1065120361Sgad int eol, ptm_opts, res, special; 1066208649Sgordon size_t i; 106713244Sgraichen 1068130165Sgad errline = NULL; 1069111773Sgad while (fgets(line, BUFSIZ, cf)) { 1070107737Ssobomax if ((line[0] == '\n') || (line[0] == '#') || 1071107737Ssobomax (strlen(line) == 0)) 107259003Shm continue; 1073130165Sgad if (errline != NULL) 1074130165Sgad free(errline); 107559003Shm errline = strdup(line); 1076107737Ssobomax for (cp = line + 1; *cp != '\0'; cp++) { 1077107737Ssobomax if (*cp != '#') 1078107737Ssobomax continue; 1079107737Ssobomax if (*(cp - 1) == '\\') { 1080107737Ssobomax strcpy(cp - 1, cp); 1081107737Ssobomax cp--; 1082107737Ssobomax continue; 1083107737Ssobomax } 1084107737Ssobomax *cp = '\0'; 1085107737Ssobomax break; 1086107737Ssobomax } 108760373Sdes 108860373Sdes q = parse = missing_field(sob(line), errline); 108960373Sdes parse = son(line); 109060373Sdes if (!*parse) 109180646Sobrien errx(1, "malformed line (missing fields):\n%s", 109280646Sobrien errline); 109360373Sdes *parse = '\0'; 109460373Sdes 1095130165Sgad /* 1096130165Sgad * Allow people to set debug options via the config file. 1097208648Sgordon * (NOTE: debug options are undocumented, and may disappear 1098130165Sgad * at any time, etc). 1099130165Sgad */ 1100130165Sgad if (strcasecmp(DEBUG_MARKER, q) == 0) { 1101252378Skientzle q = parse = missing_field(sob(parse + 1), errline); 1102130165Sgad parse = son(parse); 1103130165Sgad if (!*parse) 1104130165Sgad warnx("debug line specifies no option:\n%s", 1105130165Sgad errline); 1106130165Sgad else { 1107130165Sgad *parse = '\0'; 1108130165Sgad parse_doption(q); 1109130165Sgad } 1110130165Sgad continue; 1111208649Sgordon } else if (strcasecmp(INCLUDE_MARKER, q) == 0) { 1112208649Sgordon if (verbose) 1113208649Sgordon printf("Found: %s", errline); 1114252378Skientzle q = parse = missing_field(sob(parse + 1), errline); 1115208649Sgordon parse = son(parse); 1116208649Sgordon if (!*parse) { 1117208649Sgordon warnx("include line missing argument:\n%s", 1118208649Sgordon errline); 1119208649Sgordon continue; 1120208649Sgordon } 1121208649Sgordon 1122208649Sgordon *parse = '\0'; 1123208649Sgordon 1124208649Sgordon if (isglobstr(q)) { 1125208649Sgordon res = glob(q, GLOB_NOCHECK, NULL, &pglob); 1126208649Sgordon if (res != 0) { 1127208649Sgordon warn("cannot expand pattern (%d): %s", 1128208649Sgordon res, q); 1129208649Sgordon continue; 1130208649Sgordon } 1131208649Sgordon 1132208649Sgordon if (verbose > 2) 1133208649Sgordon printf("\t+ Expanding pattern %s\n", q); 1134208649Sgordon 1135208649Sgordon for (i = 0; i < pglob.gl_matchc; i++) 1136208649Sgordon add_to_queue(pglob.gl_pathv[i], 1137208649Sgordon inclist); 1138208649Sgordon globfree(&pglob); 1139208649Sgordon } else 1140208649Sgordon add_to_queue(q, inclist); 1141208649Sgordon continue; 1142130165Sgad } 1143130165Sgad 1144112020Sgad special = 0; 1145111388Sgad working = init_entry(q, NULL); 1146111388Sgad if (strcasecmp(DEFAULT_MARKER, q) == 0) { 1147112020Sgad special = 1; 1148344882Sdab if (*defconf_p != NULL) { 1149111388Sgad warnx("Ignoring duplicate entry for %s!", q); 1150111388Sgad free_entry(working); 1151111388Sgad continue; 1152111388Sgad } 1153344882Sdab *defconf_p = working; 115459003Shm } 115513244Sgraichen 1156252378Skientzle q = parse = missing_field(sob(parse + 1), errline); 115759003Shm parse = son(parse); 115825518Sbrian if (!*parse) 115980646Sobrien errx(1, "malformed line (missing fields):\n%s", 116080646Sobrien errline); 116159003Shm *parse = '\0'; 116259003Shm if ((group = strchr(q, ':')) != NULL || 116359003Shm (group = strrchr(q, '.')) != NULL) { 116459003Shm *group++ = '\0'; 116559003Shm if (*q) { 1166119102Sgad if (!(isnumberstr(q))) { 1167111781Sgad if ((pwd = getpwnam(q)) == NULL) 116859003Shm errx(1, 116980646Sobrien "error in config file; unknown user:\n%s", 117059003Shm errline); 1171111781Sgad working->uid = pwd->pw_uid; 117259003Shm } else 117359003Shm working->uid = atoi(q); 117459003Shm } else 1175111779Sgad working->uid = (uid_t)-1; 117613244Sgraichen 117759003Shm q = group; 117859003Shm if (*q) { 1179119102Sgad if (!(isnumberstr(q))) { 118059003Shm if ((grp = getgrnam(q)) == NULL) 118159003Shm errx(1, 118280646Sobrien "error in config file; unknown group:\n%s", 118359003Shm errline); 118459003Shm working->gid = grp->gr_gid; 118559003Shm } else 118659003Shm working->gid = atoi(q); 118759003Shm } else 1188111779Sgad working->gid = (gid_t)-1; 118913244Sgraichen 1190252378Skientzle q = parse = missing_field(sob(parse + 1), errline); 119159003Shm parse = son(parse); 119259003Shm if (!*parse) 119380646Sobrien errx(1, "malformed line (missing fields):\n%s", 119480646Sobrien errline); 119559003Shm *parse = '\0'; 1196111779Sgad } else { 1197111779Sgad working->uid = (uid_t)-1; 1198111779Sgad working->gid = (gid_t)-1; 1199111779Sgad } 120059003Shm 120159003Shm if (!sscanf(q, "%o", &working->permissions)) 120259003Shm errx(1, "error in config file; bad permissions:\n%s", 120359003Shm errline); 120459003Shm 1205252378Skientzle q = parse = missing_field(sob(parse + 1), errline); 120659003Shm parse = son(parse); 120725518Sbrian if (!*parse) 120880646Sobrien errx(1, "malformed line (missing fields):\n%s", 120980646Sobrien errline); 121059003Shm *parse = '\0'; 1211111400Sgad if (!sscanf(q, "%d", &working->numlogs) || working->numlogs < 0) 1212111400Sgad errx(1, "error in config file; bad value for count of logs to save:\n%s", 121359003Shm errline); 121413244Sgraichen 1215252378Skientzle q = parse = missing_field(sob(parse + 1), errline); 121659003Shm parse = son(parse); 121725518Sbrian if (!*parse) 121880646Sobrien errx(1, "malformed line (missing fields):\n%s", 121980646Sobrien errline); 122059003Shm *parse = '\0'; 1221114762Sgad if (isdigitch(*q)) 1222130165Sgad working->trsize = atoi(q); 1223130165Sgad else if (strcmp(q, "*") == 0) 1224130165Sgad working->trsize = -1; 1225114762Sgad else { 1226114762Sgad warnx("Invalid value of '%s' for 'size' in line:\n%s", 1227114762Sgad q, errline); 1228130165Sgad working->trsize = -1; 1229114762Sgad } 123059003Shm 123159003Shm working->flags = 0; 1232218127Smm working->compress = COMPRESS_NONE; 1233252378Skientzle q = parse = missing_field(sob(parse + 1), errline); 123459003Shm parse = son(parse); 123525518Sbrian eol = !*parse; 123659003Shm *parse = '\0'; 123743071Swollman { 123859003Shm char *ep; 123959003Shm u_long ul; 124013244Sgraichen 124143071Swollman ul = strtoul(q, &ep, 10); 124243071Swollman if (ep == q) 124343071Swollman working->hours = 0; 124443071Swollman else if (*ep == '*') 124543071Swollman working->hours = -1; 124643071Swollman else if (ul > INT_MAX) 124743071Swollman errx(1, "interval is too large:\n%s", errline); 124843071Swollman else 124943071Swollman working->hours = ul; 125043071Swollman 1251120361Sgad if (*ep == '\0' || strcmp(ep, "*") == 0) 1252120361Sgad goto no_trimat; 1253120361Sgad if (*ep != '@' && *ep != '$') 125443071Swollman errx(1, "malformed interval/at:\n%s", errline); 1255120361Sgad 1256120361Sgad working->flags |= CE_TRIMAT; 1257120361Sgad working->trim_at = ptime_init(NULL); 1258120361Sgad ptm_opts = PTM_PARSE_ISO8601; 1259120361Sgad if (*ep == '$') 1260120361Sgad ptm_opts = PTM_PARSE_DWM; 1261120361Sgad ptm_opts |= PTM_PARSE_MATCHDOM; 1262120361Sgad res = ptime_relparse(working->trim_at, ptm_opts, 1263120361Sgad ptimeget_secs(timenow), ep + 1); 1264120361Sgad if (res == -2) 1265120361Sgad errx(1, "nonexistent time for 'at' value:\n%s", 1266120361Sgad errline); 1267120361Sgad else if (res < 0) 1268120361Sgad errx(1, "malformed 'at' value:\n%s", errline); 126943071Swollman } 1270120361Sgadno_trimat: 127143071Swollman 127225518Sbrian if (eol) 127359003Shm q = NULL; 127425518Sbrian else { 1275252378Skientzle q = parse = sob(parse + 1); /* Optional field */ 127659003Shm parse = son(parse); 127759003Shm if (!*parse) 127859003Shm eol = 1; 127959003Shm *parse = '\0'; 128025518Sbrian } 128125443Sache 1282111768Sgad for (; q && *q && !isspacech(*q); q++) { 1283111768Sgad switch (tolowerch(*q)) { 1284111768Sgad case 'b': 128559003Shm working->flags |= CE_BINARY; 1286111768Sgad break; 1287114137Sgad case 'c': 1288111768Sgad /* 1289114137Sgad * XXX - Ick! Ugly! Remove ASAP! 1290114137Sgad * We want `c' and `C' for "create". But we 1291114137Sgad * will temporarily treat `c' as `g', because 1292114137Sgad * FreeBSD releases <= 4.8 have a typo of 1293114137Sgad * checking ('G' || 'c') for CE_GLOB. 1294111768Sgad */ 1295114137Sgad if (*q == 'c') { 1296114137Sgad warnx("Assuming 'g' for 'c' in flags for line:\n%s", 1297114137Sgad errline); 1298114137Sgad warnx("The 'c' flag will eventually mean 'CREATE'"); 1299114137Sgad working->flags |= CE_GLOB; 1300114137Sgad break; 1301114137Sgad } 1302114137Sgad working->flags |= CE_CREATE; 1303114137Sgad break; 1304130043Sgad case 'd': 1305130043Sgad working->flags |= CE_NODUMP; 1306130043Sgad break; 1307111768Sgad case 'g': 1308106905Ssobomax working->flags |= CE_GLOB; 1309111768Sgad break; 1310111768Sgad case 'j': 1311218127Smm working->compress = COMPRESS_BZIP2; 1312111768Sgad break; 1313111768Sgad case 'n': 1314111768Sgad working->flags |= CE_NOSIGNAL; 1315111768Sgad break; 1316221873Ssobomax case 'r': 1317221873Ssobomax working->flags |= CE_PID2CMD; 1318221873Ssobomax break; 1319321263Sngie case 't': 1320321263Sngie working->flags |= CE_RFC5424; 1321321263Sngie break; 1322112003Sgad case 'u': 1323112003Sgad working->flags |= CE_SIGNALGROUP; 1324112003Sgad break; 1325111768Sgad case 'w': 1326321263Sngie /* Deprecated flag - keep for compatibility purposes */ 1327111768Sgad break; 1328218127Smm case 'x': 1329218127Smm working->compress = COMPRESS_XZ; 1330218127Smm break; 1331111768Sgad case 'z': 1332218127Smm working->compress = COMPRESS_GZIP; 1333111768Sgad break; 1334111768Sgad case '-': 1335111768Sgad break; 1336111781Sgad case 'f': /* Used by OpenBSD for "CE_FOLLOW" */ 1337111781Sgad case 'm': /* Used by OpenBSD for "CE_MONITOR" */ 1338111781Sgad case 'p': /* Used by NetBSD for "CE_PLAIN0" */ 1339111768Sgad default: 134080646Sobrien errx(1, "illegal flag in config file -- %c", 134180646Sobrien *q); 1342111768Sgad } 134359003Shm } 134459003Shm 134525518Sbrian if (eol) 134659003Shm q = NULL; 134725518Sbrian else { 1348252378Skientzle q = parse = sob(parse + 1); /* Optional field */ 134959003Shm parse = son(parse); 135059003Shm if (!*parse) 135159003Shm eol = 1; 135259003Shm *parse = '\0'; 135325518Sbrian } 135425443Sache 1355221873Ssobomax working->pid_cmd_file = NULL; 135625443Sache if (q && *q) { 135725443Sache if (*q == '/') 1358221873Ssobomax working->pid_cmd_file = strdup(q); 1359290225Sbapt else if (isalnum(*q)) 136036817Sache goto got_sig; 1361290225Sbapt else { 136280646Sobrien errx(1, 1363290225Sbapt "illegal pid file or signal in config file:\n%s", 136480646Sobrien errline); 1365290225Sbapt } 136625443Sache } 136736817Sache if (eol) 136859003Shm q = NULL; 136936817Sache else { 1370252378Skientzle q = parse = sob(parse + 1); /* Optional field */ 1371344882Sdab parse = son(parse); 1372344882Sdab *parse = '\0'; 137336817Sache } 137436817Sache 137536817Sache working->sig = SIGHUP; 137636817Sache if (q && *q) { 1377290225Sbaptgot_sig: 1378290225Sbapt working->sig = parse_signal(q); 1379290225Sbapt if (working->sig < 1 || working->sig >= sys_nsig) { 138080646Sobrien errx(1, 1381290225Sbapt "illegal signal in config file:\n%s", 138280646Sobrien errline); 138336817Sache } 138436817Sache } 1385111768Sgad 1386111768Sgad /* 1387111768Sgad * Finish figuring out what pid-file to use (if any) in 1388111768Sgad * later processing if this logfile needs to be rotated. 1389111768Sgad */ 1390111768Sgad if ((working->flags & CE_NOSIGNAL) == CE_NOSIGNAL) { 1391111768Sgad /* 1392111768Sgad * This config-entry specified 'n' for nosignal, 1393221873Ssobomax * see if it also specified an explicit pid_cmd_file. 1394111768Sgad * This would be a pretty pointless combination. 1395111768Sgad */ 1396221873Ssobomax if (working->pid_cmd_file != NULL) { 1397111768Sgad warnx("Ignoring '%s' because flag 'n' was specified in line:\n%s", 1398221873Ssobomax working->pid_cmd_file, errline); 1399221873Ssobomax free(working->pid_cmd_file); 1400221873Ssobomax working->pid_cmd_file = NULL; 1401111768Sgad } 1402221873Ssobomax } else if (working->pid_cmd_file == NULL) { 1403111768Sgad /* 1404111768Sgad * This entry did not specify the 'n' flag, which 1405111768Sgad * means it should signal syslogd unless it had 1406112003Sgad * specified some other pid-file (and obviously the 1407112003Sgad * syslog pid-file will not be for a process-group). 1408112003Sgad * Also, we should only try to notify syslog if we 1409112003Sgad * are root. 1410111768Sgad */ 1411112003Sgad if (working->flags & CE_SIGNALGROUP) { 1412112003Sgad warnx("Ignoring flag 'U' in line:\n%s", 1413112003Sgad errline); 1414112003Sgad working->flags &= ~CE_SIGNALGROUP; 1415112003Sgad } 1416111768Sgad if (needroot) 1417221873Ssobomax working->pid_cmd_file = strdup(path_syslogpid); 1418111768Sgad } 1419111768Sgad 1420112020Sgad /* 1421112020Sgad * Add this entry to the appropriate list of entries, unless 1422112020Sgad * it was some kind of special entry (eg: <default>). 1423112020Sgad */ 1424112020Sgad if (special) { 1425112020Sgad ; /* Do not add to any list */ 1426112020Sgad } else if (working->flags & CE_GLOB) { 1427208648Sgordon STAILQ_INSERT_TAIL(glob_p, working, cf_nextp); 1428112020Sgad } else { 1429208648Sgordon STAILQ_INSERT_TAIL(work_p, working, cf_nextp); 1430112020Sgad } 1431130165Sgad } 1432130165Sgad if (errline != NULL) 143359003Shm free(errline); 143413244Sgraichen} 143513244Sgraichen 143659003Shmstatic char * 143759004Shmmissing_field(char *p, char *errline) 143813244Sgraichen{ 143980646Sobrien 144059003Shm if (!p || !*p) 144159003Shm errx(1, "missing field in config file:\n%s", errline); 144259003Shm return (p); 144313244Sgraichen} 144413244Sgraichen 1445208649Sgordon/* 1446210372Ssimon * In our sort we return it in the reverse of what qsort normally 1447210372Ssimon * would do, as we want the newest files first. If we have two 1448210372Ssimon * entries with the same time we don't really care about order. 1449210372Ssimon * 1450210372Ssimon * Support function for qsort() in delete_oldest_timelog(). 1451210372Ssimon */ 1452210372Ssimonstatic int 1453210372Ssimonoldlog_entry_compare(const void *a, const void *b) 1454210372Ssimon{ 1455210372Ssimon const struct oldlog_entry *ola = a, *olb = b; 1456210372Ssimon 1457210372Ssimon if (ola->t > olb->t) 1458210372Ssimon return (-1); 1459210372Ssimon else if (ola->t < olb->t) 1460210372Ssimon return (1); 1461210372Ssimon else 1462210372Ssimon return (0); 1463210372Ssimon} 1464210372Ssimon 1465210372Ssimon/* 1466248776Smarkj * Check whether the file corresponding to dp is an archive of the logfile 1467248776Smarkj * logfname, based on the timefnamefmt format string. Return true and fill out 1468248776Smarkj * tm if this is the case; otherwise return false. 1469248776Smarkj */ 1470248776Smarkjstatic int 1471250545Smarkjvalidate_old_timelog(int fd, const struct dirent *dp, const char *logfname, 1472250545Smarkj struct tm *tm) 1473248776Smarkj{ 1474250545Smarkj struct stat sb; 1475248776Smarkj size_t logfname_len; 1476248776Smarkj char *s; 1477248776Smarkj int c; 1478248776Smarkj 1479248776Smarkj logfname_len = strlen(logfname); 1480248776Smarkj 1481250545Smarkj if (dp->d_type != DT_REG) { 1482250545Smarkj /* 1483250545Smarkj * Some filesystems (e.g. NFS) don't fill out the d_type field 1484250545Smarkj * and leave it set to DT_UNKNOWN; in this case we must obtain 1485250545Smarkj * the file type ourselves. 1486250545Smarkj */ 1487250545Smarkj if (dp->d_type != DT_UNKNOWN || 1488250545Smarkj fstatat(fd, dp->d_name, &sb, AT_SYMLINK_NOFOLLOW) != 0 || 1489250545Smarkj !S_ISREG(sb.st_mode)) 1490250545Smarkj return (0); 1491250545Smarkj } 1492248776Smarkj /* Ignore everything but files with our logfile prefix. */ 1493248776Smarkj if (strncmp(dp->d_name, logfname, logfname_len) != 0) 1494248776Smarkj return (0); 1495248776Smarkj /* Ignore the actual non-rotated logfile. */ 1496248776Smarkj if (dp->d_namlen == logfname_len) 1497248776Smarkj return (0); 1498248776Smarkj 1499248776Smarkj /* 1500248776Smarkj * Make sure we created have found a logfile, so the 1501248776Smarkj * postfix is valid, IE format is: '.<time>(.[bgx]z)?'. 1502248776Smarkj */ 1503248776Smarkj if (dp->d_name[logfname_len] != '.') { 1504248776Smarkj if (verbose) 1505248776Smarkj printf("Ignoring %s which has unexpected " 1506248776Smarkj "extension '%s'\n", dp->d_name, 1507248776Smarkj &dp->d_name[logfname_len]); 1508248776Smarkj return (0); 1509248776Smarkj } 1510261820Smarkj memset(tm, 0, sizeof(*tm)); 1511248776Smarkj if ((s = strptime(&dp->d_name[logfname_len + 1], 1512248776Smarkj timefnamefmt, tm)) == NULL) { 1513248776Smarkj /* 1514248776Smarkj * We could special case "old" sequentially named logfiles here, 1515248776Smarkj * but we do not as that would require special handling to 1516248776Smarkj * decide which one was the oldest compared to "new" time based 1517248776Smarkj * logfiles. 1518248776Smarkj */ 1519248776Smarkj if (verbose) 1520248776Smarkj printf("Ignoring %s which does not " 1521248776Smarkj "match time format\n", dp->d_name); 1522248776Smarkj return (0); 1523248776Smarkj } 1524248776Smarkj 1525248776Smarkj for (c = 0; c < COMPRESS_TYPES; c++) 1526248776Smarkj if (strcmp(s, compress_type[c].suffix) == 0) 1527248776Smarkj /* We're done. */ 1528248776Smarkj return (1); 1529248776Smarkj 1530248776Smarkj if (verbose) 1531248776Smarkj printf("Ignoring %s which has unexpected extension '%s'\n", 1532248776Smarkj dp->d_name, s); 1533248776Smarkj 1534248776Smarkj return (0); 1535248776Smarkj} 1536248776Smarkj 1537248776Smarkj/* 1538210372Ssimon * Delete the oldest logfiles, when using time based filenames. 1539210372Ssimon */ 1540210372Ssimonstatic void 1541210372Ssimondelete_oldest_timelog(const struct conf_entry *ent, const char *archive_dir) 1542210372Ssimon{ 1543210372Ssimon char *logfname, *s, *dir, errbuf[80]; 1544248776Smarkj int dir_fd, i, logcnt, max_logcnt; 1545210372Ssimon struct oldlog_entry *oldlogs; 1546210372Ssimon struct dirent *dp; 1547210372Ssimon const char *cdir; 1548210372Ssimon struct tm tm; 1549210372Ssimon DIR *dirp; 1550210372Ssimon 1551210372Ssimon oldlogs = malloc(MAX_OLDLOGS * sizeof(struct oldlog_entry)); 1552210372Ssimon max_logcnt = MAX_OLDLOGS; 1553210372Ssimon logcnt = 0; 1554210372Ssimon 1555210372Ssimon if (archive_dir != NULL && archive_dir[0] != '\0') 1556210372Ssimon cdir = archive_dir; 1557210372Ssimon else 1558210372Ssimon if ((cdir = dirname(ent->log)) == NULL) 1559210372Ssimon err(1, "dirname()"); 1560210372Ssimon if ((dir = strdup(cdir)) == NULL) 1561210372Ssimon err(1, "strdup()"); 1562210372Ssimon 1563210372Ssimon if ((s = basename(ent->log)) == NULL) 1564210372Ssimon err(1, "basename()"); 1565210372Ssimon if ((logfname = strdup(s)) == NULL) 1566210372Ssimon err(1, "strdup()"); 1567210372Ssimon if (strcmp(logfname, "/") == 0) 1568210372Ssimon errx(1, "Invalid log filename - became '/'"); 1569210372Ssimon 1570210372Ssimon if (verbose > 2) 1571210372Ssimon printf("Searching for old logs in %s\n", dir); 1572210372Ssimon 1573210372Ssimon /* First we create a 'list' of all archived logfiles */ 1574210372Ssimon if ((dirp = opendir(dir)) == NULL) 1575210372Ssimon err(1, "Cannot open log directory '%s'", dir); 1576235647Sgleb dir_fd = dirfd(dirp); 1577210372Ssimon while ((dp = readdir(dirp)) != NULL) { 1578250545Smarkj if (validate_old_timelog(dir_fd, dp, logfname, &tm) == 0) 1579210372Ssimon continue; 1580210372Ssimon 1581210372Ssimon /* 1582210372Ssimon * We should now have old an old rotated logfile, so 1583210372Ssimon * add it to the 'list'. 1584210372Ssimon */ 1585210372Ssimon if ((oldlogs[logcnt].t = timegm(&tm)) == -1) 1586210372Ssimon err(1, "Could not convert time string to time value"); 1587210372Ssimon if ((oldlogs[logcnt].fname = strdup(dp->d_name)) == NULL) 1588210372Ssimon err(1, "strdup()"); 1589210372Ssimon logcnt++; 1590210372Ssimon 1591210372Ssimon /* 1592210372Ssimon * It is very unlikely we ever run out of space in the 1593210372Ssimon * logfile array from the default size, but lets 1594210372Ssimon * handle it anyway... 1595210372Ssimon */ 1596210372Ssimon if (logcnt >= max_logcnt) { 1597210372Ssimon max_logcnt *= 4; 1598210372Ssimon /* Detect integer overflow */ 1599210372Ssimon if (max_logcnt < logcnt) 1600210372Ssimon errx(1, "Too many old logfiles found"); 1601210372Ssimon oldlogs = realloc(oldlogs, 1602210372Ssimon max_logcnt * sizeof(struct oldlog_entry)); 1603210372Ssimon if (oldlogs == NULL) 1604210372Ssimon err(1, "realloc()"); 1605210372Ssimon } 1606210372Ssimon } 1607210372Ssimon 1608210372Ssimon /* Second, if needed we delete oldest archived logfiles */ 1609210372Ssimon if (logcnt > 0 && logcnt >= ent->numlogs && ent->numlogs > 1) { 1610210372Ssimon oldlogs = realloc(oldlogs, logcnt * 1611210372Ssimon sizeof(struct oldlog_entry)); 1612210372Ssimon if (oldlogs == NULL) 1613210372Ssimon err(1, "realloc()"); 1614210372Ssimon 1615210372Ssimon /* 1616210372Ssimon * We now sort the logs in the order of newest to 1617210372Ssimon * oldest. That way we can simply skip over the 1618210372Ssimon * number of records we want to keep. 1619210372Ssimon */ 1620210372Ssimon qsort(oldlogs, logcnt, sizeof(struct oldlog_entry), 1621210372Ssimon oldlog_entry_compare); 1622210372Ssimon for (i = ent->numlogs - 1; i < logcnt; i++) { 1623210372Ssimon if (noaction) 1624210372Ssimon printf("\trm -f %s/%s\n", dir, 1625210372Ssimon oldlogs[i].fname); 1626235647Sgleb else if (unlinkat(dir_fd, oldlogs[i].fname, 0) != 0) { 1627210372Ssimon snprintf(errbuf, sizeof(errbuf), 1628244995Smarkj "Could not delete old logfile '%s'", 1629210372Ssimon oldlogs[i].fname); 1630210372Ssimon perror(errbuf); 1631210372Ssimon } 1632210372Ssimon } 1633210372Ssimon } else if (verbose > 1) 1634210372Ssimon printf("No old logs to delete for logfile %s\n", ent->log); 1635210372Ssimon 1636210372Ssimon /* Third, cleanup */ 1637210372Ssimon closedir(dirp); 1638210372Ssimon for (i = 0; i < logcnt; i++) { 1639210372Ssimon assert(oldlogs[i].fname != NULL); 1640210372Ssimon free(oldlogs[i].fname); 1641210372Ssimon } 1642210372Ssimon free(oldlogs); 1643210372Ssimon free(logfname); 1644210372Ssimon free(dir); 1645210372Ssimon} 1646210372Ssimon 1647210372Ssimon/* 1648228990Suqs * Generate a log filename, when using classic filenames. 1649220926Ssimon */ 1650220926Ssimonstatic void 1651229654Suqsgen_classiclog_fname(char *fname, size_t fname_sz, const char *archive_dir, 1652220926Ssimon const char *namepart, int numlogs_c) 1653220926Ssimon{ 1654220926Ssimon 1655220926Ssimon if (archive_dir[0] != '\0') 1656220926Ssimon (void) snprintf(fname, fname_sz, "%s/%s.%d", archive_dir, 1657220926Ssimon namepart, numlogs_c); 1658220926Ssimon else 1659220926Ssimon (void) snprintf(fname, fname_sz, "%s.%d", namepart, numlogs_c); 1660220926Ssimon} 1661220926Ssimon 1662220926Ssimon/* 1663229654Suqs * Delete a rotated logfile, when using classic filenames. 1664220926Ssimon */ 1665220926Ssimonstatic void 1666229654Suqsdelete_classiclog(const char *archive_dir, const char *namepart, int numlog_c) 1667220926Ssimon{ 1668220926Ssimon char file1[MAXPATHLEN], zfile1[MAXPATHLEN]; 1669220926Ssimon int c; 1670220926Ssimon 1671229654Suqs gen_classiclog_fname(file1, sizeof(file1), archive_dir, namepart, 1672220926Ssimon numlog_c); 1673220926Ssimon 1674220926Ssimon for (c = 0; c < COMPRESS_TYPES; c++) { 1675220926Ssimon (void) snprintf(zfile1, sizeof(zfile1), "%s%s", file1, 1676220926Ssimon compress_type[c].suffix); 1677220926Ssimon if (noaction) 1678220926Ssimon printf("\trm -f %s\n", zfile1); 1679220926Ssimon else 1680220926Ssimon (void) unlink(zfile1); 1681220926Ssimon } 1682220926Ssimon} 1683220926Ssimon 1684220926Ssimon/* 1685208649Sgordon * Only add to the queue if the file hasn't already been added. This is 1686208649Sgordon * done to prevent circular include loops. 1687208649Sgordon */ 1688208649Sgordonstatic void 1689208649Sgordonadd_to_queue(const char *fname, struct ilist *inclist) 1690208649Sgordon{ 1691208649Sgordon struct include_entry *inc; 1692208649Sgordon 1693208649Sgordon STAILQ_FOREACH(inc, inclist, inc_nextp) { 1694208649Sgordon if (strcmp(fname, inc->file) == 0) { 1695208649Sgordon warnx("duplicate include detected: %s", fname); 1696208649Sgordon return; 1697208649Sgordon } 1698208649Sgordon } 1699208649Sgordon 1700208649Sgordon inc = malloc(sizeof(struct include_entry)); 1701208649Sgordon if (inc == NULL) 1702208649Sgordon err(1, "malloc of inc"); 1703208649Sgordon inc->file = strdup(fname); 1704208649Sgordon 1705208649Sgordon if (verbose > 2) 1706208649Sgordon printf("\t+ Adding %s to the processing queue.\n", fname); 1707208649Sgordon 1708208649Sgordon STAILQ_INSERT_TAIL(inclist, inc, inc_nextp); 1709208649Sgordon} 1710208649Sgordon 1711218127Smm/* 1712218127Smm * Search for logfile and return its compression suffix (if supported) 1713218127Smm * The suffix detection is first-match in the order of compress_types 1714218127Smm * 1715218127Smm * Note: if logfile without suffix exists (uncompressed, COMPRESS_NONE) 1716218127Smm * a zero-length string is returned 1717218127Smm */ 1718218127Smmstatic const char * 1719218127Smmget_logfile_suffix(const char *logfile) 1720218127Smm{ 1721218127Smm struct stat st; 1722218127Smm char zfile[MAXPATHLEN]; 1723218944Ssobomax int c; 1724218127Smm 1725218944Ssobomax for (c = 0; c < COMPRESS_TYPES; c++) { 1726218127Smm (void) strlcpy(zfile, logfile, MAXPATHLEN); 1727218127Smm (void) strlcat(zfile, compress_type[c].suffix, MAXPATHLEN); 1728218127Smm if (lstat(zfile, &st) == 0) 1729218127Smm return (compress_type[c].suffix); 1730218127Smm } 1731218127Smm return (NULL); 1732218127Smm} 1733218127Smm 1734130165Sgadstatic fk_entry 1735130165Sgaddo_rotate(const struct conf_entry *ent) 173613244Sgraichen{ 173771299Sjedgar char dirpart[MAXPATHLEN], namepart[MAXPATHLEN]; 173871299Sjedgar char file1[MAXPATHLEN], file2[MAXPATHLEN]; 173971299Sjedgar char zfile1[MAXPATHLEN], zfile2[MAXPATHLEN]; 1740218127Smm const char *logfile_suffix; 1741210372Ssimon char datetimestr[30]; 1742159968Sgad int flags, numlogs_c; 1743130165Sgad fk_entry free_or_keep; 1744159968Sgad struct sigwork_entry *swork; 174559003Shm struct stat st; 1746210372Ssimon struct tm tm; 1747210372Ssimon time_t now; 174813244Sgraichen 1749119927Sgad flags = ent->flags; 1750130165Sgad free_or_keep = FREE_ENT; 1751119927Sgad 175259004Shm if (archtodir) { 175359004Shm char *p; 175413244Sgraichen 175559004Shm /* build complete name of archive directory into dirpart */ 175659004Shm if (*archdirname == '/') { /* absolute */ 175771299Sjedgar strlcpy(dirpart, archdirname, sizeof(dirpart)); 175859004Shm } else { /* relative */ 175959004Shm /* get directory part of logfile */ 1760119927Sgad strlcpy(dirpart, ent->log, sizeof(dirpart)); 1761229403Sed if ((p = strrchr(dirpart, '/')) == NULL) 176259004Shm dirpart[0] = '\0'; 176359004Shm else 176459004Shm *(p + 1) = '\0'; 176571299Sjedgar strlcat(dirpart, archdirname, sizeof(dirpart)); 176659004Shm } 176759004Shm 176859004Shm /* check if archive directory exists, if not, create it */ 176959004Shm if (lstat(dirpart, &st)) 1770114137Sgad createdir(ent, dirpart); 177159004Shm 177259004Shm /* get filename part of logfile */ 1773229403Sed if ((p = strrchr(ent->log, '/')) == NULL) 1774119927Sgad strlcpy(namepart, ent->log, sizeof(namepart)); 177559004Shm else 177671299Sjedgar strlcpy(namepart, p + 1, sizeof(namepart)); 177759004Shm } else { 1778210372Ssimon /* 1779220926Ssimon * Tell utility functions we are not using an archive 1780220926Ssimon * dir. 1781210372Ssimon */ 1782210372Ssimon dirpart[0] = '\0'; 1783220926Ssimon strlcpy(namepart, ent->log, sizeof(namepart)); 1784210372Ssimon } 1785210372Ssimon 1786210372Ssimon /* Delete old logs */ 1787210372Ssimon if (timefnamefmt != NULL) 1788210372Ssimon delete_oldest_timelog(ent, dirpart); 1789210372Ssimon else { 1790220926Ssimon /* 1791220926Ssimon * Handle cleaning up after legacy newsyslog where we 1792220926Ssimon * kept ent->numlogs + 1 files. This code can go away 1793220926Ssimon * at some point in the future. 1794220926Ssimon */ 1795229654Suqs delete_classiclog(dirpart, namepart, ent->numlogs); 1796220926Ssimon 1797220926Ssimon if (ent->numlogs > 0) 1798229654Suqs delete_classiclog(dirpart, namepart, ent->numlogs - 1); 1799220926Ssimon 180059003Shm } 180113244Sgraichen 1802210372Ssimon if (timefnamefmt != NULL) { 1803210372Ssimon /* If time functions fails we can't really do any sensible */ 1804210372Ssimon if (time(&now) == (time_t)-1 || 1805210372Ssimon localtime_r(&now, &tm) == NULL) 1806210372Ssimon bzero(&tm, sizeof(tm)); 1807210372Ssimon 1808210372Ssimon strftime(datetimestr, sizeof(datetimestr), timefnamefmt, &tm); 1809210372Ssimon if (archtodir) 1810210372Ssimon (void) snprintf(file1, sizeof(file1), "%s/%s.%s", 1811210372Ssimon dirpart, namepart, datetimestr); 1812210372Ssimon else 1813210372Ssimon (void) snprintf(file1, sizeof(file1), "%s.%s", 1814210372Ssimon ent->log, datetimestr); 1815210372Ssimon 1816210372Ssimon /* Don't run the code to move down logs */ 1817220926Ssimon numlogs_c = -1; 1818220926Ssimon } else { 1819229654Suqs gen_classiclog_fname(file1, sizeof(file1), dirpart, namepart, 1820220926Ssimon ent->numlogs - 1); 1821220926Ssimon numlogs_c = ent->numlogs - 2; /* copy for countdown */ 1822220926Ssimon } 1823210372Ssimon 182459003Shm /* Move down log files */ 1825220926Ssimon for (; numlogs_c >= 0; numlogs_c--) { 182671299Sjedgar (void) strlcpy(file2, file1, sizeof(file2)); 182759004Shm 1828229654Suqs gen_classiclog_fname(file1, sizeof(file1), dirpart, namepart, 1829220926Ssimon numlogs_c); 183059004Shm 1831218127Smm logfile_suffix = get_logfile_suffix(file1); 1832218127Smm if (logfile_suffix == NULL) 1833218127Smm continue; 1834218127Smm (void) strlcpy(zfile1, file1, MAXPATHLEN); 1835218127Smm (void) strlcpy(zfile2, file2, MAXPATHLEN); 1836218127Smm (void) strlcat(zfile1, logfile_suffix, MAXPATHLEN); 1837218127Smm (void) strlcat(zfile2, logfile_suffix, MAXPATHLEN); 1838218127Smm 1839130165Sgad if (noaction) 1840111967Sgad printf("\tmv %s %s\n", zfile1, zfile2); 1841130165Sgad else { 1842130165Sgad /* XXX - Ought to be checking for failure! */ 1843130165Sgad (void)rename(zfile1, zfile2); 184459003Shm } 1845130165Sgad change_attrs(zfile2, ent); 184659003Shm } 184713244Sgraichen 1848130038Sgad if (ent->numlogs > 0) { 1849129974Sgad if (noaction) { 1850130038Sgad /* 1851130038Sgad * Note that savelog() may succeed with using link() 1852130038Sgad * for the archtodir case, but there is no good way 1853130038Sgad * of knowing if it will when doing "noaction", so 1854130038Sgad * here we claim that it will have to do a copy... 1855130038Sgad */ 1856130038Sgad if (archtodir) 1857130038Sgad printf("\tcp %s %s\n", ent->log, file1); 1858130038Sgad else 1859130038Sgad printf("\tln %s %s\n", ent->log, file1); 1860244997Smarkj printf("\ttouch %s\t\t" 1861244997Smarkj "# Update mtime for 'when'-interval processing\n", 1862244997Smarkj file1); 1863130165Sgad } else { 1864130038Sgad if (!(flags & CE_BINARY)) { 1865130038Sgad /* Report the trimming to the old log */ 1866130038Sgad log_trim(ent->log, ent); 1867130038Sgad } 1868130038Sgad savelog(ent->log, file1); 1869244997Smarkj /* 1870244997Smarkj * Interval-based rotations are done using the mtime of 1871244997Smarkj * the most recently archived log, so make sure it gets 1872244997Smarkj * updated during a rotation. 1873244997Smarkj */ 1874244997Smarkj utimes(file1, NULL); 187559004Shm } 1876130165Sgad change_attrs(file1, ent); 187718075Sjkh } 187818075Sjkh 1879130038Sgad /* Create the new log file and move it into place */ 1880130038Sgad if (noaction) 1881111781Sgad printf("Start new log...\n"); 1882130038Sgad createlog(ent); 188325443Sache 1884111966Sgad /* 1885130167Sgad * Save all signalling and file-compression to be done after log 1886130167Sgad * files from all entries have been rotated. This way any one 1887130167Sgad * process will not be sent the same signal multiple times when 1888130167Sgad * multiple log files had to be rotated. 1889130167Sgad */ 1890159968Sgad swork = NULL; 1891221873Ssobomax if (ent->pid_cmd_file != NULL) 1892159968Sgad swork = save_sigwork(ent); 1893218127Smm if (ent->numlogs > 0 && ent->compress > COMPRESS_NONE) { 1894159968Sgad /* 1895159968Sgad * The zipwork_entry will include a pointer to this 1896159968Sgad * conf_entry, so the conf_entry should not be freed. 1897159968Sgad */ 1898159968Sgad free_or_keep = KEEP_ENT; 1899159968Sgad save_zipwork(ent, swork, ent->fsize, file1); 1900130167Sgad } 1901130167Sgad 1902130165Sgad return (free_or_keep); 190313244Sgraichen} 190413244Sgraichen 1905130167Sgadstatic void 1906130167Sgaddo_sigwork(struct sigwork_entry *swork) 1907130167Sgad{ 1908130204Sgad struct sigwork_entry *nextsig; 1909130204Sgad int kres, secs; 1910221873Ssobomax char *tmp; 1911130167Sgad 1912245963Smarkj if (swork->sw_runcmd == 0 && (!(swork->sw_pidok) || swork->sw_pid == 0)) 1913130167Sgad return; /* no work to do... */ 1914130167Sgad 1915130167Sgad /* 1916130167Sgad * If nosignal (-s) was specified, then do not signal any process. 1917130167Sgad * Note that a nosignal request triggers a warning message if the 1918130167Sgad * rotated logfile needs to be compressed, *unless* -R was also 1919130167Sgad * specified. We assume that an `-sR' request came from a process 1920130167Sgad * which writes to the logfile, and as such, we assume that process 1921130167Sgad * has already made sure the logfile is not presently in use. This 1922130167Sgad * just sets swork->sw_pidok to a special value, and do_zipwork 1923130167Sgad * will print any necessary warning(s). 1924130167Sgad */ 1925130167Sgad if (nosignal) { 1926130167Sgad if (!rotatereq) 1927130167Sgad swork->sw_pidok = -1; 1928130167Sgad return; 1929130167Sgad } 1930130167Sgad 1931130204Sgad /* 1932130204Sgad * Compute the pause between consecutive signals. Use a longer 1933130204Sgad * sleep time if we will be sending two signals to the same 1934293290Sbdrewery * daemon or process-group. 1935130204Sgad */ 1936130204Sgad secs = 0; 1937130204Sgad nextsig = SLIST_NEXT(swork, sw_nextp); 1938130204Sgad if (nextsig != NULL) { 1939130204Sgad if (swork->sw_pid == nextsig->sw_pid) 1940130204Sgad secs = 10; 1941130204Sgad else 1942130204Sgad secs = 1; 1943130204Sgad } 1944130204Sgad 1945130167Sgad if (noaction) { 1946245963Smarkj if (swork->sw_runcmd) 1947245962Smarkj printf("\tsh -c '%s %d'\n", swork->sw_fname, 1948245962Smarkj swork->sw_signum); 1949245962Smarkj else { 1950245962Smarkj printf("\tkill -%d %d \t\t# %s\n", swork->sw_signum, 1951245962Smarkj (int)swork->sw_pid, swork->sw_fname); 1952245962Smarkj if (secs > 0) 1953245962Smarkj printf("\tsleep %d\n", secs); 1954245962Smarkj } 1955130167Sgad return; 1956130167Sgad } 1957130167Sgad 1958245963Smarkj if (swork->sw_runcmd) { 1959221873Ssobomax asprintf(&tmp, "%s %d", swork->sw_fname, swork->sw_signum); 1960221873Ssobomax if (tmp == NULL) { 1961221873Ssobomax warn("can't allocate memory to run %s", 1962221873Ssobomax swork->sw_fname); 1963221873Ssobomax return; 1964221873Ssobomax } 1965221873Ssobomax if (verbose) 1966221873Ssobomax printf("Run command: %s\n", tmp); 1967221873Ssobomax kres = system(tmp); 1968221873Ssobomax if (kres) { 1969221873Ssobomax warnx("%s: returned non-zero exit code: %d", 1970221873Ssobomax tmp, kres); 1971221873Ssobomax } 1972221873Ssobomax free(tmp); 1973221873Ssobomax return; 1974221873Ssobomax } 1975221873Ssobomax 1976130167Sgad kres = kill(swork->sw_pid, swork->sw_signum); 1977130167Sgad if (kres != 0) { 1978130167Sgad /* 1979130167Sgad * Assume that "no such process" (ESRCH) is something 1980130167Sgad * to warn about, but is not an error. Presumably the 1981130167Sgad * process which writes to the rotated log file(s) is 1982130167Sgad * gone, in which case we should have no problem with 1983130167Sgad * compressing the rotated log file(s). 1984130167Sgad */ 1985130167Sgad if (errno != ESRCH) 1986130167Sgad swork->sw_pidok = 0; 1987273554Smarkj warn("can't notify %s, pid %d = %s", swork->sw_pidtype, 1988273554Smarkj (int)swork->sw_pid, swork->sw_fname); 1989130167Sgad } else { 1990130204Sgad if (verbose) 1991130204Sgad printf("Notified %s pid %d = %s\n", swork->sw_pidtype, 1992130204Sgad (int)swork->sw_pid, swork->sw_fname); 1993130204Sgad if (secs > 0) { 1994130204Sgad if (verbose) 1995130204Sgad printf("Pause %d second(s) between signals\n", 1996130204Sgad secs); 1997130204Sgad sleep(secs); 1998130167Sgad } 1999130167Sgad } 2000130167Sgad} 2001130167Sgad 2002130167Sgadstatic void 2003130167Sgaddo_zipwork(struct zipwork_entry *zwork) 2004130167Sgad{ 2005130167Sgad const char *pgm_name, *pgm_path; 2006154566Sgad int errsav, fcount, zstatus; 2007130167Sgad pid_t pidzip, wpid; 2008130167Sgad char zresult[MAXPATHLEN]; 2009218944Ssobomax int c; 2010130167Sgad 2011228790Seadler assert(zwork != NULL); 2012130167Sgad pgm_path = NULL; 2013130167Sgad strlcpy(zresult, zwork->zw_fname, sizeof(zresult)); 2014228790Seadler if (zwork->zw_conf != NULL && 2015218127Smm zwork->zw_conf->compress > COMPRESS_NONE) 2016218944Ssobomax for (c = 1; c < COMPRESS_TYPES; c++) { 2017218127Smm if (zwork->zw_conf->compress == c) { 2018218127Smm pgm_path = compress_type[c].path; 2019218127Smm (void) strlcat(zresult, 2020218127Smm compress_type[c].suffix, sizeof(zresult)); 2021218127Smm break; 2022218127Smm } 2023130167Sgad } 2024130167Sgad if (pgm_path == NULL) { 2025130167Sgad warnx("invalid entry for %s in do_zipwork", zwork->zw_fname); 2026130167Sgad return; 2027130167Sgad } 2028154566Sgad pgm_name = strrchr(pgm_path, '/'); 2029154566Sgad if (pgm_name == NULL) 2030154566Sgad pgm_name = pgm_path; 2031154566Sgad else 2032154566Sgad pgm_name++; 2033130167Sgad 2034245963Smarkj if (zwork->zw_swork != NULL && zwork->zw_swork->sw_runcmd == 0 && 2035238281Sae zwork->zw_swork->sw_pidok <= 0) { 2036130167Sgad warnx( 2037130167Sgad "log %s not compressed because daemon(s) not notified", 2038130167Sgad zwork->zw_fname); 2039130167Sgad change_attrs(zwork->zw_fname, zwork->zw_conf); 2040130167Sgad return; 2041130167Sgad } 2042130167Sgad 2043130167Sgad if (noaction) { 2044130167Sgad printf("\t%s %s\n", pgm_name, zwork->zw_fname); 2045130167Sgad change_attrs(zresult, zwork->zw_conf); 2046130167Sgad return; 2047130167Sgad } 2048130167Sgad 2049154566Sgad fcount = 1; 2050130167Sgad pidzip = fork(); 2051154566Sgad while (pidzip < 0) { 2052154566Sgad /* 2053154566Sgad * The fork failed. If the failure was due to a temporary 2054154566Sgad * problem, then wait a short time and try it again. 2055154566Sgad */ 2056154566Sgad errsav = errno; 2057154566Sgad warn("fork() for `%s %s'", pgm_name, zwork->zw_fname); 2058154566Sgad if (errsav != EAGAIN || fcount > 5) 2059154566Sgad errx(1, "Exiting..."); 2060154566Sgad sleep(fcount * 12); 2061154566Sgad fcount++; 2062154566Sgad pidzip = fork(); 2063154566Sgad } 2064154566Sgad if (!pidzip) { 2065130167Sgad /* The child process executes the compression command */ 2066130167Sgad execl(pgm_path, pgm_path, "-f", zwork->zw_fname, (char *)0); 2067154566Sgad err(1, "execl(`%s -f %s')", pgm_path, zwork->zw_fname); 2068130167Sgad } 2069130167Sgad 2070130167Sgad wpid = waitpid(pidzip, &zstatus, 0); 2071130167Sgad if (wpid == -1) { 2072154566Sgad /* XXX - should this be a fatal error? */ 2073130167Sgad warn("%s: waitpid(%d)", pgm_path, pidzip); 2074130167Sgad return; 2075130167Sgad } 2076130167Sgad if (!WIFEXITED(zstatus)) { 2077154566Sgad warnx("`%s -f %s' did not terminate normally", pgm_name, 2078154566Sgad zwork->zw_fname); 2079130167Sgad return; 2080130167Sgad } 2081130167Sgad if (WEXITSTATUS(zstatus)) { 2082154566Sgad warnx("`%s -f %s' terminated with a non-zero status (%d)", 2083154566Sgad pgm_name, zwork->zw_fname, WEXITSTATUS(zstatus)); 2084130167Sgad return; 2085130167Sgad } 2086130167Sgad 2087130167Sgad /* Compression was successful, set file attributes on the result. */ 2088130167Sgad change_attrs(zresult, zwork->zw_conf); 2089130167Sgad} 2090130167Sgad 2091130167Sgad/* 2092130167Sgad * Save information on any process we need to signal. Any single 2093130167Sgad * process may need to be sent different signal-values for different 2094130167Sgad * log files, but usually a single signal-value will cause the process 2095130167Sgad * to close and re-open all of it's log files. 2096130167Sgad */ 2097130167Sgadstatic struct sigwork_entry * 2098130167Sgadsave_sigwork(const struct conf_entry *ent) 2099130167Sgad{ 2100130167Sgad struct sigwork_entry *sprev, *stmp; 2101130167Sgad int ndiff; 2102130167Sgad size_t tmpsiz; 2103130167Sgad 2104130167Sgad sprev = NULL; 2105130167Sgad ndiff = 1; 2106130167Sgad SLIST_FOREACH(stmp, &swhead, sw_nextp) { 2107221873Ssobomax ndiff = strcmp(ent->pid_cmd_file, stmp->sw_fname); 2108130167Sgad if (ndiff > 0) 2109130167Sgad break; 2110130167Sgad if (ndiff == 0) { 2111130167Sgad if (ent->sig == stmp->sw_signum) 2112130167Sgad break; 2113130167Sgad if (ent->sig > stmp->sw_signum) { 2114130167Sgad ndiff = 1; 2115130167Sgad break; 2116130167Sgad } 2117130167Sgad } 2118130167Sgad sprev = stmp; 2119130167Sgad } 2120130167Sgad if (stmp != NULL && ndiff == 0) 2121130167Sgad return (stmp); 2122130167Sgad 2123221873Ssobomax tmpsiz = sizeof(struct sigwork_entry) + strlen(ent->pid_cmd_file) + 1; 2124130167Sgad stmp = malloc(tmpsiz); 2125321263Sngie 2126245963Smarkj stmp->sw_runcmd = 0; 2127221873Ssobomax /* If this is a command to run we just set the flag and run command */ 2128221873Ssobomax if (ent->flags & CE_PID2CMD) { 2129245961Smarkj stmp->sw_pid = -1; 2130245961Smarkj stmp->sw_pidok = 0; 2131245963Smarkj stmp->sw_runcmd = 1; 2132221873Ssobomax } else { 2133221873Ssobomax set_swpid(stmp, ent); 2134221873Ssobomax } 2135130167Sgad stmp->sw_signum = ent->sig; 2136221873Ssobomax strcpy(stmp->sw_fname, ent->pid_cmd_file); 2137130167Sgad if (sprev == NULL) 2138130167Sgad SLIST_INSERT_HEAD(&swhead, stmp, sw_nextp); 2139130167Sgad else 2140130167Sgad SLIST_INSERT_AFTER(sprev, stmp, sw_nextp); 2141130167Sgad return (stmp); 2142130167Sgad} 2143130167Sgad 2144130167Sgad/* 2145130167Sgad * Save information on any file we need to compress. We may see the same 2146130167Sgad * file multiple times, so check the full list to avoid duplicates. The 2147130167Sgad * list itself is sorted smallest-to-largest, because that's the order we 2148130167Sgad * want to compress the files. If the partition is very low on disk space, 2149130167Sgad * then the smallest files are the most likely to compress, and compressing 2150130167Sgad * them first will free up more space for the larger files. 2151130167Sgad */ 2152130167Sgadstatic struct zipwork_entry * 2153130167Sgadsave_zipwork(const struct conf_entry *ent, const struct sigwork_entry *swork, 2154130167Sgad int zsize, const char *zipfname) 2155130167Sgad{ 2156130167Sgad struct zipwork_entry *zprev, *ztmp; 2157130167Sgad int ndiff; 2158130167Sgad size_t tmpsiz; 2159130167Sgad 2160130167Sgad /* Compute the size if the caller did not know it. */ 2161130167Sgad if (zsize < 0) 2162130167Sgad zsize = sizefile(zipfname); 2163130167Sgad 2164130167Sgad zprev = NULL; 2165130167Sgad ndiff = 1; 2166130167Sgad SLIST_FOREACH(ztmp, &zwhead, zw_nextp) { 2167130707Sgad ndiff = strcmp(zipfname, ztmp->zw_fname); 2168130167Sgad if (ndiff == 0) 2169130167Sgad break; 2170130167Sgad if (zsize > ztmp->zw_fsize) 2171130167Sgad zprev = ztmp; 2172130167Sgad } 2173130167Sgad if (ztmp != NULL && ndiff == 0) 2174130167Sgad return (ztmp); 2175130167Sgad 2176130167Sgad tmpsiz = sizeof(struct zipwork_entry) + strlen(zipfname) + 1; 2177130167Sgad ztmp = malloc(tmpsiz); 2178130167Sgad ztmp->zw_conf = ent; 2179130167Sgad ztmp->zw_swork = swork; 2180130167Sgad ztmp->zw_fsize = zsize; 2181130167Sgad strcpy(ztmp->zw_fname, zipfname); 2182130167Sgad if (zprev == NULL) 2183130167Sgad SLIST_INSERT_HEAD(&zwhead, ztmp, zw_nextp); 2184130167Sgad else 2185130167Sgad SLIST_INSERT_AFTER(zprev, ztmp, zw_nextp); 2186130167Sgad return (ztmp); 2187130167Sgad} 2188130167Sgad 2189130167Sgad/* Send a signal to the pid specified by pidfile */ 2190130167Sgadstatic void 2191130167Sgadset_swpid(struct sigwork_entry *swork, const struct conf_entry *ent) 2192130167Sgad{ 2193130167Sgad FILE *f; 2194130167Sgad long minok, maxok, rval; 2195130167Sgad char *endp, *linep, line[BUFSIZ]; 2196130167Sgad 2197130167Sgad minok = MIN_PID; 2198130167Sgad maxok = MAX_PID; 2199130167Sgad swork->sw_pidok = 0; 2200130167Sgad swork->sw_pid = 0; 2201130167Sgad swork->sw_pidtype = "daemon"; 2202130167Sgad if (ent->flags & CE_SIGNALGROUP) { 2203130167Sgad /* 2204130167Sgad * If we are expected to signal a process-group when 2205130167Sgad * rotating this logfile, then the value read in should 2206130167Sgad * be the negative of a valid process ID. 2207130167Sgad */ 2208130167Sgad minok = -MAX_PID; 2209130167Sgad maxok = -MIN_PID; 2210130167Sgad swork->sw_pidtype = "process-group"; 2211130167Sgad } 2212130167Sgad 2213221873Ssobomax f = fopen(ent->pid_cmd_file, "r"); 2214130167Sgad if (f == NULL) { 2215202668Sdelphij if (errno == ENOENT && enforcepid == 0) { 2216200806Sdelphij /* 2217200806Sdelphij * Warn if the PID file doesn't exist, but do 2218200806Sdelphij * not consider it an error. Most likely it 2219200806Sdelphij * means the process has been terminated, 2220200806Sdelphij * so it should be safe to rotate any log 2221200806Sdelphij * files that the process would have been using. 2222200806Sdelphij */ 2223200806Sdelphij swork->sw_pidok = 1; 2224221873Ssobomax warnx("pid file doesn't exist: %s", ent->pid_cmd_file); 2225200806Sdelphij } else 2226221873Ssobomax warn("can't open pid file: %s", ent->pid_cmd_file); 2227130167Sgad return; 2228130167Sgad } 2229130167Sgad 2230130167Sgad if (fgets(line, BUFSIZ, f) == NULL) { 2231130167Sgad /* 2232130167Sgad * Warn if the PID file is empty, but do not consider 2233130167Sgad * it an error. Most likely it means the process has 2234130167Sgad * has terminated, so it should be safe to rotate any 2235130167Sgad * log files that the process would have been using. 2236130167Sgad */ 2237202668Sdelphij if (feof(f) && enforcepid == 0) { 2238130167Sgad swork->sw_pidok = 1; 2239221873Ssobomax warnx("pid/cmd file is empty: %s", ent->pid_cmd_file); 2240130167Sgad } else 2241221873Ssobomax warn("can't read from pid file: %s", ent->pid_cmd_file); 2242130167Sgad (void)fclose(f); 2243130167Sgad return; 2244130167Sgad } 2245130167Sgad (void)fclose(f); 2246130167Sgad 2247130167Sgad errno = 0; 2248130167Sgad linep = line; 2249130167Sgad while (*linep == ' ') 2250130167Sgad linep++; 2251130167Sgad rval = strtol(linep, &endp, 10); 2252130167Sgad if (*endp != '\0' && !isspacech(*endp)) { 2253130167Sgad warnx("pid file does not start with a valid number: %s", 2254221873Ssobomax ent->pid_cmd_file); 2255130167Sgad } else if (rval < minok || rval > maxok) { 2256130167Sgad warnx("bad value '%ld' for process number in %s", 2257221873Ssobomax rval, ent->pid_cmd_file); 2258130167Sgad if (verbose) 2259130167Sgad warnx("\t(expecting value between %ld and %ld)", 2260130167Sgad minok, maxok); 2261130167Sgad } else { 2262130167Sgad swork->sw_pidok = 1; 2263130167Sgad swork->sw_pid = rval; 2264130167Sgad } 2265130167Sgad 2266130167Sgad return; 2267130167Sgad} 2268130167Sgad 226913244Sgraichen/* Log the fact that the logs were turned over */ 227059004Shmstatic int 2271119926Sgadlog_trim(const char *logname, const struct conf_entry *log_ent) 227213244Sgraichen{ 227359003Shm FILE *f; 2274111388Sgad const char *xtra; 227559003Shm 2276119926Sgad if ((f = fopen(logname, "a")) == NULL) 227759003Shm return (-1); 2278111388Sgad xtra = ""; 2279111768Sgad if (log_ent->def_cfg) 2280111388Sgad xtra = " using <default> rule"; 2281321263Sngie if (log_ent->flags & CE_RFC5424) { 2282321263Sngie if (log_ent->firstcreate) { 2283321263Sngie fprintf(f, "<%d>1 %s %s newsyslog %d - - %s%s\n", 2284321263Sngie LOG_MAKEPRI(LOG_USER, LOG_INFO), 2285321263Sngie daytime_rfc5424, hostname, getpid(), 2286321263Sngie "logfile first created", xtra); 2287321263Sngie } else if (log_ent->r_reason != NULL) { 2288321263Sngie fprintf(f, "<%d>1 %s %s newsyslog %d - - %s%s%s\n", 2289321263Sngie LOG_MAKEPRI(LOG_USER, LOG_INFO), 2290321263Sngie daytime_rfc5424, hostname, getpid(), 2291321263Sngie "logfile turned over", log_ent->r_reason, xtra); 2292321263Sngie } else { 2293321263Sngie fprintf(f, "<%d>1 %s %s newsyslog %d - - %s%s\n", 2294321263Sngie LOG_MAKEPRI(LOG_USER, LOG_INFO), 2295321263Sngie daytime_rfc5424, hostname, getpid(), 2296321263Sngie "logfile turned over", xtra); 2297321263Sngie } 2298321263Sngie } else { 2299321263Sngie if (log_ent->firstcreate) 2300321263Sngie fprintf(f, "%s %s newsyslog[%d]: logfile first created%s\n", 2301321263Sngie daytime, hostname, getpid(), xtra); 2302321263Sngie else if (log_ent->r_reason != NULL) 2303321263Sngie fprintf(f, "%s %s newsyslog[%d]: logfile turned over%s%s\n", 2304321263Sngie daytime, hostname, getpid(), log_ent->r_reason, xtra); 2305321263Sngie else 2306321263Sngie fprintf(f, "%s %s newsyslog[%d]: logfile turned over%s\n", 2307321263Sngie daytime, hostname, getpid(), xtra); 2308321263Sngie } 230959003Shm if (fclose(f) == EOF) 2310127858Scharnier err(1, "log_trim: fclose"); 231159003Shm return (0); 231213244Sgraichen} 231313244Sgraichen 231413244Sgraichen/* Return size in kilobytes of a file */ 231559004Shmstatic int 2316130165Sgadsizefile(const char *file) 231713244Sgraichen{ 231859003Shm struct stat sb; 231913244Sgraichen 232059003Shm if (stat(file, &sb) < 0) 232159003Shm return (-1); 2322262075Sbdrewery return (kbytes(sb.st_size)); 232313244Sgraichen} 232413244Sgraichen 2325248776Smarkj/* 2326248776Smarkj * Return the mtime of the most recent archive of the logfile, using timestamp 2327248776Smarkj * based filenames. 2328248776Smarkj */ 2329248776Smarkjstatic time_t 2330248776Smarkjmtime_old_timelog(const char *file) 2331248776Smarkj{ 2332248776Smarkj struct stat sb; 2333248776Smarkj struct tm tm; 2334248776Smarkj int dir_fd; 2335248776Smarkj time_t t; 2336248776Smarkj struct dirent *dp; 2337248776Smarkj DIR *dirp; 2338248776Smarkj char *s, *logfname, *dir; 2339248776Smarkj 2340248776Smarkj t = -1; 2341248776Smarkj 2342248776Smarkj if ((dir = dirname(file)) == NULL) { 2343248776Smarkj warn("dirname() of '%s'", file); 2344248776Smarkj return (t); 2345248776Smarkj } 2346248776Smarkj if ((s = basename(file)) == NULL) { 2347248776Smarkj warn("basename() of '%s'", file); 2348248776Smarkj return (t); 2349248776Smarkj } else if (s[0] == '/') { 2350248776Smarkj warnx("Invalid log filename '%s'", s); 2351248776Smarkj return (t); 2352248776Smarkj } else if ((logfname = strdup(s)) == NULL) 2353248776Smarkj err(1, "strdup()"); 2354248776Smarkj 2355248776Smarkj if ((dirp = opendir(dir)) == NULL) { 2356248776Smarkj warn("Cannot open log directory '%s'", dir); 2357248776Smarkj return (t); 2358248776Smarkj } 2359248776Smarkj dir_fd = dirfd(dirp); 2360248776Smarkj /* Open the archive dir and find the most recent archive of logfname. */ 2361248776Smarkj while ((dp = readdir(dirp)) != NULL) { 2362250545Smarkj if (validate_old_timelog(dir_fd, dp, logfname, &tm) == 0) 2363248776Smarkj continue; 2364248776Smarkj 2365251240Smarkj if (fstatat(dir_fd, dp->d_name, &sb, AT_SYMLINK_NOFOLLOW) == -1) { 2366248776Smarkj warn("Cannot stat '%s'", file); 2367248776Smarkj continue; 2368248776Smarkj } 2369248776Smarkj if (t < sb.st_mtime) 2370248776Smarkj t = sb.st_mtime; 2371248776Smarkj } 2372248776Smarkj closedir(dirp); 2373248776Smarkj 2374248776Smarkj return (t); 2375248776Smarkj} 2376248776Smarkj 2377248776Smarkj/* Return the age in hours of the most recent archive of the logfile. */ 237859004Shmstatic int 2379248776Smarkjage_old_log(const char *file) 238013244Sgraichen{ 238159003Shm struct stat sb; 2382218127Smm const char *logfile_suffix; 2383218127Smm char tmp[MAXPATHLEN + sizeof(".0") + COMPRESS_SUFFIX_MAXLEN + 1]; 2384248776Smarkj time_t mtime; 238513244Sgraichen 238659004Shm if (archtodir) { 238759004Shm char *p; 238859004Shm 238959004Shm /* build name of archive directory into tmp */ 239059004Shm if (*archdirname == '/') { /* absolute */ 239171299Sjedgar strlcpy(tmp, archdirname, sizeof(tmp)); 239259004Shm } else { /* relative */ 239359004Shm /* get directory part of logfile */ 239471299Sjedgar strlcpy(tmp, file, sizeof(tmp)); 2395229403Sed if ((p = strrchr(tmp, '/')) == NULL) 239659004Shm tmp[0] = '\0'; 239759004Shm else 239859004Shm *(p + 1) = '\0'; 239971299Sjedgar strlcat(tmp, archdirname, sizeof(tmp)); 240059004Shm } 240159004Shm 240271299Sjedgar strlcat(tmp, "/", sizeof(tmp)); 240359004Shm 240459004Shm /* get filename part of logfile */ 2405229403Sed if ((p = strrchr(file, '/')) == NULL) 240671299Sjedgar strlcat(tmp, file, sizeof(tmp)); 240759004Shm else 240871299Sjedgar strlcat(tmp, p + 1, sizeof(tmp)); 240959004Shm } else { 241071299Sjedgar (void) strlcpy(tmp, file, sizeof(tmp)); 241159004Shm } 241259004Shm 2413248776Smarkj if (timefnamefmt != NULL) { 2414248776Smarkj mtime = mtime_old_timelog(tmp); 2415248776Smarkj if (mtime == -1) 2416248776Smarkj return (-1); 2417248776Smarkj } else { 2418248776Smarkj strlcat(tmp, ".0", sizeof(tmp)); 2419248776Smarkj logfile_suffix = get_logfile_suffix(tmp); 2420248776Smarkj if (logfile_suffix == NULL) 2421248776Smarkj return (-1); 2422248776Smarkj (void) strlcat(tmp, logfile_suffix, sizeof(tmp)); 2423248776Smarkj if (stat(tmp, &sb) < 0) 2424248776Smarkj return (-1); 2425248776Smarkj mtime = sb.st_mtime; 2426248776Smarkj } 2427248776Smarkj 2428248776Smarkj return ((int)(ptimeget_secs(timenow) - mtime + 1800) / 3600); 242913244Sgraichen} 243013244Sgraichen 243113244Sgraichen/* Skip Over Blanks */ 2432111820Sgadstatic char * 243359004Shmsob(char *p) 243413244Sgraichen{ 243559003Shm while (p && *p && isspace(*p)) 243659003Shm p++; 243759003Shm return (p); 243813244Sgraichen} 243913244Sgraichen 244013244Sgraichen/* Skip Over Non-Blanks */ 2441111820Sgadstatic char * 244259004Shmson(char *p) 244313244Sgraichen{ 244459003Shm while (p && *p && !isspace(*p)) 244559003Shm p++; 244659003Shm return (p); 244713244Sgraichen} 244843071Swollman 2449119102Sgad/* Check if string is actually a number */ 2450119102Sgadstatic int 2451119102Sgadisnumberstr(const char *string) 2452119102Sgad{ 2453119102Sgad while (*string) { 2454119102Sgad if (!isdigitch(*string++)) 2455119102Sgad return (0); 2456119102Sgad } 2457119102Sgad return (1); 2458119102Sgad} 2459119102Sgad 2460208649Sgordon/* Check if string contains a glob */ 2461208649Sgordonstatic int 2462208649Sgordonisglobstr(const char *string) 2463208649Sgordon{ 2464208649Sgordon char chr; 2465208649Sgordon 2466208649Sgordon while ((chr = *string++)) { 2467208649Sgordon if (chr == '*' || chr == '?' || chr == '[') 2468208649Sgordon return (1); 2469208649Sgordon } 2470208649Sgordon return (0); 2471208649Sgordon} 2472208649Sgordon 2473130038Sgad/* 2474130038Sgad * Save the active log file under a new name. A link to the new name 2475130038Sgad * is the quick-and-easy way to do this. If that fails (which it will 2476130038Sgad * if the destination is on another partition), then make a copy of 2477130038Sgad * the file to the new location. 2478130038Sgad */ 247959004Shmstatic void 2480130038Sgadsavelog(char *from, char *to) 248159004Shm{ 248259004Shm FILE *src, *dst; 2483130038Sgad int c, res; 248459004Shm 2485130038Sgad res = link(from, to); 2486130038Sgad if (res == 0) 2487130038Sgad return; 2488130038Sgad 248959004Shm if ((src = fopen(from, "r")) == NULL) 249059004Shm err(1, "can't fopen %s for reading", from); 249159004Shm if ((dst = fopen(to, "w")) == NULL) 249259004Shm err(1, "can't fopen %s for writing", to); 249359004Shm 249459004Shm while ((c = getc(src)) != EOF) { 249559004Shm if ((putc(c, dst)) == EOF) 249659004Shm err(1, "error writing to %s", to); 249759004Shm } 249859004Shm 249959004Shm if (ferror(src)) 250059004Shm err(1, "error reading from %s", from); 250159004Shm if ((fclose(src)) != 0) 250259004Shm err(1, "can't fclose %s", to); 250359004Shm if ((fclose(dst)) != 0) 250459004Shm err(1, "can't fclose %s", from); 250559004Shm} 250659004Shm 250759004Shm/* create one or more directory components of a path */ 250859004Shmstatic void 2509114137Sgadcreatedir(const struct conf_entry *ent, char *dirpart) 251059004Shm{ 2511111398Sgad int res; 251259004Shm char *s, *d; 251371299Sjedgar char mkdirpath[MAXPATHLEN]; 251459004Shm struct stat st; 251559004Shm 251659004Shm s = dirpart; 251759004Shm d = mkdirpath; 251859004Shm 251959004Shm for (;;) { 252059004Shm *d++ = *s++; 2521111398Sgad if (*s != '/' && *s != '\0') 2522111398Sgad continue; 2523111398Sgad *d = '\0'; 2524111398Sgad res = lstat(mkdirpath, &st); 2525111398Sgad if (res != 0) { 2526111398Sgad if (noaction) { 2527111967Sgad printf("\tmkdir %s\n", mkdirpath); 2528111398Sgad } else { 2529111398Sgad res = mkdir(mkdirpath, 0755); 2530111398Sgad if (res != 0) 2531111398Sgad err(1, "Error on mkdir(\"%s\") for -a", 2532111398Sgad mkdirpath); 2533111398Sgad } 253459004Shm } 253559004Shm if (*s == '\0') 253659004Shm break; 253759004Shm } 2538114137Sgad if (verbose) { 2539114137Sgad if (ent->firstcreate) 2540114137Sgad printf("Created directory '%s' for new %s\n", 2541114137Sgad dirpart, ent->log); 2542114137Sgad else 2543114137Sgad printf("Created directory '%s' for -a\n", dirpart); 2544114137Sgad } 254559004Shm} 254659004Shm 2547114137Sgad/* 2548114137Sgad * Create a new log file, destroying any currently-existing version 2549114137Sgad * of the log file in the process. If the caller wants a backup copy 2550114137Sgad * of the file to exist, they should call 'link(logfile,logbackup)' 2551114137Sgad * before calling this routine. 2552114137Sgad */ 2553114137Sgadvoid 2554114137Sgadcreatelog(const struct conf_entry *ent) 2555114137Sgad{ 2556114137Sgad int fd, failed; 2557114137Sgad struct stat st; 2558114137Sgad char *realfile, *slash, tempfile[MAXPATHLEN]; 2559114137Sgad 2560114137Sgad fd = -1; 2561114137Sgad realfile = ent->log; 2562114137Sgad 2563114137Sgad /* 2564114137Sgad * If this log file is being created for the first time (-C option), 2565114137Sgad * then it may also be true that the parent directory does not exist 2566114137Sgad * yet. Check, and create that directory if it is missing. 2567114137Sgad */ 2568114137Sgad if (ent->firstcreate) { 2569114137Sgad strlcpy(tempfile, realfile, sizeof(tempfile)); 2570114137Sgad slash = strrchr(tempfile, '/'); 2571114137Sgad if (slash != NULL) { 2572114137Sgad *slash = '\0'; 2573131581Ssobomax failed = stat(tempfile, &st); 2574114137Sgad if (failed && errno != ENOENT) 2575131581Ssobomax err(1, "Error on stat(%s)", tempfile); 2576114137Sgad if (failed) 2577114137Sgad createdir(ent, tempfile); 2578114137Sgad else if (!S_ISDIR(st.st_mode)) 2579114137Sgad errx(1, "%s exists but is not a directory", 2580114137Sgad tempfile); 2581114137Sgad } 2582114137Sgad } 2583114137Sgad 2584114137Sgad /* 2585114137Sgad * First create an unused filename, so it can be chown'ed and 2586114137Sgad * chmod'ed before it is moved into the real location. mkstemp 2587114137Sgad * will create the file mode=600 & owned by us. Note that all 2588114137Sgad * temp files will have a suffix of '.z<something>'. 2589114137Sgad */ 2590114137Sgad strlcpy(tempfile, realfile, sizeof(tempfile)); 2591114137Sgad strlcat(tempfile, ".zXXXXXX", sizeof(tempfile)); 2592114137Sgad if (noaction) 2593114137Sgad printf("\tmktemp %s\n", tempfile); 2594114137Sgad else { 2595114137Sgad fd = mkstemp(tempfile); 2596114137Sgad if (fd < 0) 2597114137Sgad err(1, "can't mkstemp logfile %s", tempfile); 2598114137Sgad 2599114137Sgad /* 2600114137Sgad * Add status message to what will become the new log file. 2601114137Sgad */ 2602114137Sgad if (!(ent->flags & CE_BINARY)) { 2603114137Sgad if (log_trim(tempfile, ent)) 2604114137Sgad err(1, "can't add status message to log"); 2605114137Sgad } 2606114137Sgad } 2607114137Sgad 2608114137Sgad /* Change the owner/group, if we are supposed to */ 2609114137Sgad if (ent->uid != (uid_t)-1 || ent->gid != (gid_t)-1) { 2610114137Sgad if (noaction) 2611114137Sgad printf("\tchown %u:%u %s\n", ent->uid, ent->gid, 2612114137Sgad tempfile); 2613114137Sgad else { 2614114137Sgad failed = fchown(fd, ent->uid, ent->gid); 2615114137Sgad if (failed) 2616114137Sgad err(1, "can't fchown temp file %s", tempfile); 2617114137Sgad } 2618114137Sgad } 2619114137Sgad 2620130043Sgad /* Turn on NODUMP if it was requested in the config-file. */ 2621130043Sgad if (ent->flags & CE_NODUMP) { 2622130043Sgad if (noaction) 2623130043Sgad printf("\tchflags nodump %s\n", tempfile); 2624130043Sgad else { 2625130043Sgad failed = fchflags(fd, UF_NODUMP); 2626130043Sgad if (failed) { 2627130043Sgad warn("log_trim: fchflags(NODUMP)"); 2628130043Sgad } 2629130043Sgad } 2630130043Sgad } 2631130043Sgad 2632114137Sgad /* 2633114137Sgad * Note that if the real logfile still exists, and if the call 2634114137Sgad * to rename() fails, then "neither the old file nor the new 2635114137Sgad * file shall be changed or created" (to quote the standard). 2636114137Sgad * If the call succeeds, then the file will be replaced without 2637114137Sgad * any window where some other process might find that the file 2638114137Sgad * did not exist. 2639114137Sgad * XXX - ? It may be that for some error conditions, we could 2640114137Sgad * retry by first removing the realfile and then renaming. 2641114137Sgad */ 2642114137Sgad if (noaction) { 2643114137Sgad printf("\tchmod %o %s\n", ent->permissions, tempfile); 2644114137Sgad printf("\tmv %s %s\n", tempfile, realfile); 2645114137Sgad } else { 2646114137Sgad failed = fchmod(fd, ent->permissions); 2647114137Sgad if (failed) 2648114137Sgad err(1, "can't fchmod temp file '%s'", tempfile); 2649114137Sgad failed = rename(tempfile, realfile); 2650114137Sgad if (failed) 2651114137Sgad err(1, "can't mv %s to %s", tempfile, realfile); 2652114137Sgad } 2653114137Sgad 2654114137Sgad if (fd >= 0) 2655114137Sgad close(fd); 2656114137Sgad} 2657130165Sgad 2658154566Sgad/* 2659154566Sgad * Change the attributes of a given filename to what was specified in 2660154566Sgad * the newsyslog.conf entry. This routine is only called for files 2661154566Sgad * that newsyslog expects that it has created, and thus it is a fatal 2662154566Sgad * error if this routine finds that the file does not exist. 2663154566Sgad */ 2664130165Sgadstatic void 2665130165Sgadchange_attrs(const char *fname, const struct conf_entry *ent) 2666130165Sgad{ 2667130165Sgad int failed; 2668130165Sgad 2669130165Sgad if (noaction) { 2670130165Sgad printf("\tchmod %o %s\n", ent->permissions, fname); 2671130165Sgad 2672130165Sgad if (ent->uid != (uid_t)-1 || ent->gid != (gid_t)-1) 2673130165Sgad printf("\tchown %u:%u %s\n", 2674130165Sgad ent->uid, ent->gid, fname); 2675130165Sgad 2676130165Sgad if (ent->flags & CE_NODUMP) 2677130165Sgad printf("\tchflags nodump %s\n", fname); 2678130165Sgad return; 2679130165Sgad } 2680130165Sgad 2681130165Sgad failed = chmod(fname, ent->permissions); 2682154566Sgad if (failed) { 2683154566Sgad if (errno != EPERM) 2684154566Sgad err(1, "chmod(%s) in change_attrs", fname); 2685154566Sgad warn("change_attrs couldn't chmod(%s)", fname); 2686154566Sgad } 2687130165Sgad 2688130165Sgad if (ent->uid != (uid_t)-1 || ent->gid != (gid_t)-1) { 2689130165Sgad failed = chown(fname, ent->uid, ent->gid); 2690130165Sgad if (failed) 2691130165Sgad warn("can't chown %s", fname); 2692130165Sgad } 2693130165Sgad 2694130165Sgad if (ent->flags & CE_NODUMP) { 2695130165Sgad failed = chflags(fname, UF_NODUMP); 2696130165Sgad if (failed) 2697130165Sgad warn("can't chflags %s NODUMP", fname); 2698130165Sgad } 2699130165Sgad} 2700290225Sbapt 2701290225Sbapt/* 2702290225Sbapt * Parse a signal number or signal name. Returns the signal number parsed or -1 2703290225Sbapt * on failure. 2704290225Sbapt */ 2705290225Sbaptstatic int 2706290225Sbaptparse_signal(const char *str) 2707290225Sbapt{ 2708290225Sbapt int sig, i; 2709290225Sbapt const char *errstr; 2710290225Sbapt 2711290225Sbapt sig = strtonum(str, 1, sys_nsig - 1, &errstr); 2712290225Sbapt 2713290225Sbapt if (errstr == NULL) 2714290225Sbapt return (sig); 2715290225Sbapt if (strncasecmp(str, "SIG", 3) == 0) 2716290225Sbapt str += 3; 2717290225Sbapt 2718290225Sbapt for (i = 1; i < sys_nsig; i++) { 2719290225Sbapt if (strcasecmp(str, sys_signame[i]) == 0) 2720290225Sbapt return (i); 2721290225Sbapt } 2722290225Sbapt 2723290225Sbapt return (-1); 2724290225Sbapt} 2725