Flatten the dist and various 4.n.n trees in preparation of future ntp imports.

1 files changed, 0 insertions, 547 deletions

diff --git a/contrib/ntp/ntpd/ntp_filegen.c b/contrib/ntp/ntpd/ntp_filegen.c
deleted file mode 100644
index 59a1d91..0000000
--- a/contrib/ntp/ntpd/ntp_filegen.c
+++ /dev/null
@@ -1,547 +0,0 @@
-/*
- * ntp_filegen.c,v 3.12 1994/01/25 19:06:11 kardel Exp
- *
- *  implements file generations support for NTP
- *  logfiles and statistic files
- *
- *
- * Copyright (C) 1992, 1996 by Rainer Pruy
- * Friedrich-Alexander Universität Erlangen-Nürnberg, Germany
- *
- * This code may be modified and used freely
- * provided credits remain intact.
- */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <stdio.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-
-#include "ntpd.h"
-#include "ntp_io.h"
-#include "ntp_string.h"
-#include "ntp_calendar.h"
-#include "ntp_filegen.h"
-#include "ntp_stdlib.h"
-
-/*
- * NTP is intended to run long periods of time without restart.
- * Thus log and statistic files generated by NTP will grow large.
- *
- * this set of routines provides a central interface 
- * to generating files using file generations
- *
- * the generation of a file is changed according to file generation type
- */
-
-
-/*
- * redefine this if your system dislikes filename suffixes like
- * X.19910101 or X.1992W50 or ....
- */
-#define SUFFIX_SEP '.'
-
-/*
- * other constants
- */
-#define FGEN_AGE_SECS   (24*60*60) /* life time of FILEGEN_AGE in seconds */
-
-static	void	filegen_open	P((FILEGEN *, u_long));
-static	int	valid_fileref	P((char *, char *));
-#ifdef	UNUSED
-static	FILEGEN *filegen_unregister P((char *));
-#endif	/* UNUSED */
-
-/*
- * open a file generation according to the current settings of gen
- * will also provide a link to basename if requested to do so
- */
-
-static void
-filegen_open(
-	FILEGEN *gen,
-	u_long  newid
-	)
-{
-	char *filename;
-	char *basename;
-	u_int len;
-	FILE *fp;
-	struct calendar cal;
-
-	len = strlen(gen->prefix) + strlen(gen->basename) + 1;
-	basename = (char*)emalloc(len);
-	sprintf(basename, "%s%s", gen->prefix, gen->basename);
-  
-	switch(gen->type) {
-	    default:
-		msyslog(LOG_ERR, "unsupported file generations type %d for \"%s\" - reverting to FILEGEN_NONE",
-			gen->type, basename);
-		gen->type = FILEGEN_NONE;
-      
-		/*FALLTHROUGH*/
-	    case FILEGEN_NONE:
-		filename = (char*)emalloc(len);
-		sprintf(filename,"%s", basename);
-		break;
-
-	    case FILEGEN_PID:
-		filename = (char*)emalloc(len + 1 + 1 + 10);
-		sprintf(filename,"%s%c#%ld", basename, SUFFIX_SEP, newid);
-		break;
-      
-	    case FILEGEN_DAY:
-		/* You can argue here in favor of using MJD, but
-		 * I would assume it to be easier for humans to interpret dates
-		 * in a format they are used to in everyday life.
-		 */
-		caljulian(newid,&cal);
-		filename = (char*)emalloc(len + 1 + 4 + 2 + 2);
-		sprintf(filename, "%s%c%04d%02d%02d",
-			basename, SUFFIX_SEP, cal.year, cal.month, cal.monthday);
-		break;
-      
-	    case FILEGEN_WEEK:
-		/*
-		 * This is still a hack
-		 * - the term week is not correlated to week as it is used
-		 *   normally - it just refers to a period of 7 days
-		 *   starting at Jan 1 - 'weeks' are counted starting from zero
-		 */
-		caljulian(newid,&cal);
-		filename = (char*)emalloc(len + 1 + 4 + 1 + 2);
-		sprintf(filename, "%s%c%04dw%02d",
-			basename, SUFFIX_SEP, cal.year, cal.yearday / 7);
-		break;
-
-	    case FILEGEN_MONTH:
-		caljulian(newid,&cal);
-		filename = (char*)emalloc(len + 1 + 4 + 2);
-		sprintf(filename, "%s%c%04d%02d",
-			basename, SUFFIX_SEP, cal.year, cal.month);
-		break;
-
-	    case FILEGEN_YEAR:
-		caljulian(newid,&cal);
-		filename = (char*)emalloc(len + 1 + 4);
-		sprintf(filename, "%s%c%04d", basename, SUFFIX_SEP, cal.year);
-		break;
-
-	    case FILEGEN_AGE:
-		filename = (char*)emalloc(len + 1 + 2 + 10);
-		sprintf(filename, "%s%ca%08ld", basename, SUFFIX_SEP, newid);
-		break;
-	}
-  
-	if (gen->type != FILEGEN_NONE) {
-		/*
-		 * check for existence of a file with name 'basename'
-		 * as we disallow such a file
-		 * if FGEN_FLAG_LINK is set create a link
-		 */
-		struct stat stats;
-		/*
-		 * try to resolve name collisions
-		 */
-		static u_long conflicts = 0;
-
-#ifndef	S_ISREG
-#define	S_ISREG(mode)	(((mode) & S_IFREG) == S_IFREG)
-#endif
-		if (stat(basename, &stats) == 0) {
-			/* Hm, file exists... */
-			if (S_ISREG(stats.st_mode)) {
-				if (stats.st_nlink <= 1)	{
-					/*
-					 * Oh, it is not linked - try to save it
-					 */
-					char *savename = (char*)emalloc(len + 1 + 1 + 10 + 10);
-					sprintf(savename, "%s%c%dC%lu",
-						basename,
-						SUFFIX_SEP,
-						(int) getpid(),
-						(u_long)conflicts++);
-					if (rename(basename, savename) != 0)
-					    msyslog(LOG_ERR," couldn't save %s: %m", basename);
-					free(savename);
-				} else {
-					/*
-					 * there is at least a second link tpo this file
-					 * just remove the conflicting one
-					 */
-					if (
-#if !defined(VMS)
-						unlink(basename) != 0
-#else
-						delete(basename) != 0
-#endif
-						)
-					    msyslog(LOG_ERR, "couldn't unlink %s: %m", basename);
-				}
-			} else {
-				/*
-				 * Ehh? Not a regular file ?? strange !!!!
-				 */
-				msyslog(LOG_ERR, "expected regular file for %s (found mode 0%lo)",
-					basename, (unsigned long)stats.st_mode);
-			}
-		} else {
-			/*
-			 * stat(..) failed, but it is absolutely correct for
-			 * 'basename' not to exist
-			 */
-			if (errno != ENOENT)
-			    msyslog(LOG_ERR,"stat(%s) failed: %m", basename);
-		}
-	}
-
-	/*
-	 * now, try to open new file generation...
-	 */
-	fp = fopen(filename, "a");
-  
-#ifdef DEBUG
-	if (debug > 3)
-	    printf("opening filegen (type=%d/id=%lu) \"%s\"\n",
-		   gen->type, (u_long)newid, filename);
-#endif
-
-	if (fp == NULL)	{
-		/* open failed -- keep previous state
-		 *
-		 * If the file was open before keep the previous generation.
-		 * This will cause output to end up in the 'wrong' file,
-		 * but I think this is still better than losing output
-		 *
-		 * ignore errors due to missing directories
-		 */
-
-		if (errno != ENOENT)
-		    msyslog(LOG_ERR, "can't open %s: %m", filename);
-	} else {
-		if (gen->fp != NULL) {
-			fclose(gen->fp);
-		}
-		gen->fp = fp;
-		gen->id = newid;
-
-		if (gen->flag & FGEN_FLAG_LINK) {
-			/*
-			 * need to link file to basename
-			 * have to use hardlink for now as I want to allow
-			 * gen->basename spanning directory levels
-			 * this would make it more complex to get the correct
-			 * filename for symlink
-			 *
-			 * Ok, it would just mean taking the part following
-			 * the last '/' in the name.... Should add it later....
-			 */
-
-			/* Windows NT does not support file links -Greg Schueman 1/18/97 */
-
-#if defined SYS_WINNT || defined SYS_VXWORKS
-			SetLastError(0); /* On WinNT, don't support FGEN_FLAG_LINK */
-#elif defined(VMS)
-			errno = 0; /* On VMS, don't support FGEN_FLAG_LINK */
-#else  /* not (VMS) / VXWORKS / WINNT ; DO THE LINK) */
-			if (link(filename, basename) != 0)
-			    if (errno != EEXIST)
-				msyslog(LOG_ERR, "can't link(%s, %s): %m", filename, basename);
-#endif /* SYS_WINNT || VXWORKS */
-		}		/* flags & FGEN_FLAG_LINK */
-	}			/* else fp == NULL */
-	
-	free(basename);
-	free(filename);
-	return;
-}
-
-/*
- * this function sets up gen->fp to point to the correct
- * generation of the file for the time specified by 'now'
- *
- * 'now' usually is interpreted as second part of a l_fp as is in the cal...
- * library routines
- */
-
-void
-filegen_setup(
-	FILEGEN *gen,
-	u_long   now
-	)
-{
-	u_long new_gen = ~ (u_long) 0;
-	struct calendar cal;
-
-	if (!(gen->flag & FGEN_FLAG_ENABLED)) {
-		if (gen->fp != NULL)
-		    fclose(gen->fp);
-		return;
-	}
-	
-	switch (gen->type) {
-	    case FILEGEN_NONE:
-		if (gen->fp != NULL) return; /* file already open */
-		break;
-      
-	    case FILEGEN_PID:
-		new_gen = getpid();
-		break;
-
-	    case FILEGEN_DAY:
-		caljulian(now, &cal);
-		cal.hour = cal.minute = cal.second = 0;
-		new_gen = caltontp(&cal);
-		break;
-      
-	    case FILEGEN_WEEK:
-		/* Would be nice to have a calweekstart() routine */
-		/* so just use a hack ... */
-		/* just round time to integral 7 day period for actual year  */
-		new_gen = now - (now - calyearstart(now)) % TIMES7(SECSPERDAY)
-			+ 60;
-		/*
-		 * just to be sure -
-		 * the computation above would fail in the presence of leap seconds
-		 * so at least carry the date to the next day (+60 (seconds))
-		 * and go back to the start of the day via calendar computations
-		 */
-		caljulian(new_gen, &cal);
-		cal.hour = cal.minute = cal.second = 0;
-		new_gen = caltontp(&cal);
-		break;
-      
-	    case FILEGEN_MONTH:
-		caljulian(now, &cal);
-		cal.yearday = (u_short) (cal.yearday - cal.monthday + 1);
-		cal.monthday = 1;
-		cal.hour = cal.minute = cal.second = 0;
-		new_gen = caltontp(&cal);
-		break;
-      
-	    case FILEGEN_YEAR:
-		new_gen = calyearstart(now);
-		break;
-
-	    case FILEGEN_AGE:
-		new_gen = current_time  - (current_time % FGEN_AGE_SECS);
-		break;
-	}
-	/*
-	 * try to open file if not yet open
-	 * reopen new file generation file on change of generation id
-	 */
-	if (gen->fp == NULL || gen->id != new_gen) {
-		filegen_open(gen, new_gen);
-	}
-}
-
-
-/*
- * change settings for filegen files
- */
-void
-filegen_config(
-	FILEGEN *gen,
-	char    *basename,
-	u_int   type,
-	u_int   flag
-	)
-{
-	/*
-	 * if nothing would be changed...
-	 */
-	if ((basename == gen->basename || strcmp(basename,gen->basename) == 0) &&
-	    type == gen->type &&
-	    flag == gen->flag)
-	    return;
-  
-	/*
-	 * validate parameters
-	 */
-	if (!valid_fileref(gen->prefix,basename))
-	    return;
-  
-	if (gen->fp != NULL)
-	    fclose(gen->fp);
-
-#ifdef DEBUG
-	if (debug > 2)
-	    printf("configuring filegen:\n\tprefix:\t%s\n\tbasename:\t%s -> %s\n\ttype:\t%d -> %d\n\tflag: %x -> %x\n",
-		   gen->prefix, gen->basename, basename, gen->type, type, gen->flag, flag);
-#endif
-	if (gen->basename != basename || strcmp(gen->basename, basename) != 0) {
-		free(gen->basename);
-		gen->basename = (char*)emalloc(strlen(basename) + 1);
-		strcpy(gen->basename, basename);
-	}
-	gen->type = (u_char) type;
-	gen->flag = (u_char) flag;
-
-	/*
-	 * make filegen use the new settings
-	 * special action is only required when a generation file
-	 * is currently open
-	 * otherwise the new settings will be used anyway at the next open
-	 */
-	if (gen->fp != NULL) {
-		l_fp now;
-
-		get_systime(&now);
-		filegen_setup(gen, now.l_ui);
-	}
-}
-
-
-/*
- * check whether concatenating prefix and basename
- * yields a legal filename
- */
-static int
-valid_fileref(
-	char *prefix,
-	char *basename
-	)
-{
-	/*
-	 * prefix cannot be changed dynamically
-	 * (within the context of filegen)
-	 * so just reject basenames containing '..'
-	 *
-	 * ASSUMPTION:
-	 * 		file system parts 'below' prefix may be
-	 *		specified without infringement of security
-	 *
-	 *              restricing prefix to legal values
-	 *		has to be ensured by other means
-	 * (however, it would be possible to perform some checks here...)
-	 */
-	register char *p = basename;
-  
-	/*
-	 * Just to catch, dumb errors opening up the world...
-	 */
-	if (prefix == NULL || *prefix == '\0')
-	    return 0;
-
-	if (basename == NULL)
-	    return 0;
-  
-	for (p = basename; p; p = strchr(p, '/')) {
-		if (*p == '.' && *(p+1) == '.' && (*(p+2) == '\0' || *(p+2) == '/'))
-		    return 0;
-	}
-  
-	return 1;
-}
-
-
-/*
- * filegen registry
- */
-
-static struct filegen_entry {
-	char *name;
-	FILEGEN *filegen;
-	struct filegen_entry *next;
-} *filegen_registry = NULL;
-
-
-FILEGEN *
-filegen_get(
-	char *name
-	)
-{
-	struct filegen_entry *f = filegen_registry;
-
-	while(f) {
-		if (f->name == name || strcmp(name, f->name) == 0) {
-#ifdef XXX	/* this gives the Alpha compiler fits */
-			if (debug > 3)
-			    printf("filegen_get(\"%s\") = %x\n", name,
-				   (u_int)f->filegen);
-#endif
-			return f->filegen;
-		}
-		f = f->next;
-	}
-#ifdef DEBUG
-	if (debug > 3)
-	    printf("filegen_get(\"%s\") = NULL\n", name);
-#endif
-	return NULL;
-}
-
-void
-filegen_register(
-	const char *name,
-	FILEGEN *filegen
-	)
-{
-	struct filegen_entry **f = &filegen_registry;
-
-#ifdef XXX		/* this gives the Alpha compiler fits */
-	if (debug > 3)
-	    printf("filegen_register(\"%s\",%x)\n", name, (u_int)filegen);
-#endif
-	while (*f) {
-		if ((*f)->name == name || strcmp(name, (*f)->name) == 0) {
-#ifdef XXX	 /* this gives the Alpha compiler fits */
-			if (debug > 4) {
-				printf("replacing filegen %x\n", (u_int)(*f)->filegen);
-			}
-#endif
-			(*f)->filegen = filegen;
-			return;
-		}
-		f = &((*f)->next);
-	}
-
-	*f = (struct filegen_entry *) emalloc(sizeof(struct filegen_entry));
-	if (*f) {
-		(*f)->next = NULL;
-		(*f)->name = (char*)emalloc(strlen(name) + 1);
-		strcpy((*f)->name, name);
-		(*f)->filegen = filegen;
-#ifdef DEBUG
-		if (debug > 5) {
-			printf("adding new filegen\n");
-		}
-#endif
-	}
-	
-	return;
-}
-
-#ifdef	UNUSED
-static FILEGEN *
-filegen_unregister(
-	char *name
-	)
-{
-	struct filegen_entry **f = &filegen_registry;
-  
-#ifdef DEBUG
-	if (debug > 3)
-	    printf("filegen_unregister(\"%s\")\n", name);
-#endif
-
-	while (*f) {
-		if (strcmp((*f)->name,name) == 0) {
-			struct filegen_entry *ff = *f;
-			FILEGEN *fg;
-			
-			*f = (*f)->next;
-			fg = ff->filegen;
-			free(ff->name);
-			free(ff);
-			return fg;
-		}
-		f = &((*f)->next);
-	}
-	return NULL;
-}	
-#endif	/* UNUSED */