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dki.c
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/*****************************************************************
**
** @(#) dki.c (c) Jan 2005 Holger Zuleger hznet.de
**
** A library for managing BIND dnssec key files.
**
** Copyright (c) Jan 2005, Holger Zuleger HZnet. All rights reserved.
**
** This software is open source.
**
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions
** are met:
**
** Redistributions of source code must retain the above copyright notice,
** this list of conditions and the following disclaimer.
**
** Redistributions in binary form must reproduce the above copyright notice,
** this list of conditions and the following disclaimer in the documentation
** and/or other materials provided with the distribution.
**
** Neither the name of Holger Zuleger HZnet nor the names of its contributors may
** be used to endorse or promote products derived from this software without
** specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
** TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
** PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE
** LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
** CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
** SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
** INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
** CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
** ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
** POSSIBILITY OF SUCH DAMAGE.
**
**
*****************************************************************/
# include <stdio.h>
# include <string.h>
# include <ctype.h> /* tolower(), ... */
# include <unistd.h> /* link(), unlink(), ... */
# include <stdlib.h>
# include <sys/types.h>
# include <sys/time.h>
# include <time.h>
# include <sys/stat.h>
# include <dirent.h>
# include <assert.h>
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
# include "config_zkt.h"
# include "debug.h"
# include "domaincmp.h"
# include "misc.h"
# include "zconf.h"
#define extern
# include "dki.h"
#undef extern
/*****************************************************************
** private (static) function declaration and definition
*****************************************************************/
static char dki_estr[MAX_PATHSIZE+MAX_FNAMESIZE+1];
static dki_t *dki_alloc ()
{
dki_estr[0] = '\0';
dki_t *dkp;
if ( (dkp = malloc (sizeof (dki_t))) )
{
memset (dkp, 0, sizeof (dki_t));
return dkp;
}
snprintf (dki_estr, sizeof (dki_estr),
"dki_alloc: Out of memory");
return NULL;
}
static int dki_readfile (FILE *fp, dki_t *dkp)
{
int algo, flags, type;
int c;
char *p;
char buf[4095+1];
char tag[25+1];
char val[14+1]; /* e.g. "YYYYMMDDhhmmss" | "60d" */
assert (dkp != NULL);
assert (fp != NULL);
while ( (c = getc (fp)) == ';' ) /* line start with comment ? */
{
tag[0] = val[0] = '\0';
if ( (c = getc (fp)) == '%' ) /* special comment? */
{
while ( (c = getc (fp)) == ' ' || c == '\t' )
;
ungetc (c, fp);
/* then try to read in the creation, expire and lifetime */
if ( fscanf (fp, "%25[a-zA-Z]=%14s", tag, val) == 2 )
{
dbg_val2 ("dki_readfile: tag=%s val=%s \n", tag, val);
switch ( tolower (tag[0]) )
{
case 'g': dkp->gentime = timestr2time (val); break;
case 'e': dkp->exptime = timestr2time (val); break;
case 'l': dkp->lifetime = atoi (val) * DAYSEC; break;
}
}
}
else
ungetc (c, fp);
while ( (c = getc (fp)) != EOF && c != '\n' ) /* eat up rest of the line */
;
}
ungetc (c, fp); /* push back last char */
if ( fscanf (fp, "%4095s", buf) != 1 ) /* read label */
return -1;
if ( strcmp (buf, dkp->name) != 0 )
return -2;
#if defined(TTL_IN_KEYFILE_ALLOWED) && TTL_IN_KEYFILE_ALLOWED
/* skip optional TTL value */
while ( (c = getc (fp)) != EOF && isspace (c) ) /* skip spaces */
;
if ( isdigit (c) ) /* skip ttl */
fscanf (fp, "%*d");
else
ungetc (c, fp); /* oops, no ttl */
#endif
if ( (c = fscanf (fp, " IN DNSKEY %d %d %d", &flags, &type, &algo)) != 3 &&
(c = fscanf (fp, "KEY %d %d %d", &flags, &type, &algo)) != 3 )
return -3;
if ( type != 3 || algo != dkp->algo )
return -4; /* no DNSKEY or algorithm mismatch */
if ( ((flags >> 8) & 0xFF) != 01 )
return -5; /* no ZONE key */
dkp->flags = flags;
if ( fgets (buf, sizeof buf, fp) == NULL || buf[0] == '\0' )
return -6;
p = buf + strlen (buf);
*--p = '\0'; /* delete trailing \n */
/* delete leading ws */
for ( p = buf; *p && isspace (*p); p++ )
;
dkp->pubkey = strdup (p);
return 0;
}
static int dki_writeinfo (const dki_t *dkp, const char *path)
{
FILE *fp;
assert (dkp != NULL);
assert (path != NULL && path[0] != '\0');
if ( (fp = fopen (path, "w")) == NULL )
return 0;
dbg_val1 ("dki_writeinfo %s\n", path);
if ( dki_prt_dnskey_raw (dkp, fp) == 0 )
{
fclose (fp);
return 0;
}
fclose (fp);
touch (path, dkp->time); /* restore time of key file */
return 1;
}
static int dki_setstat (dki_t *dkp, int status, int preserve_time);
/*****************************************************************
** public function definition
*****************************************************************/
/*****************************************************************
** dki_free ()
*****************************************************************/
void dki_free (dki_t *dkp)
{
assert (dkp != NULL);
if ( dkp->pubkey )
free (dkp->pubkey);
free (dkp);
}
/*****************************************************************
** dki_freelist ()
*****************************************************************/
void dki_freelist (dki_t **listp)
{
dki_t *curr;
dki_t *next;
assert (listp != NULL);
curr = *listp;
while ( curr )
{
next = curr->next;
dki_free (curr);
curr = next;
}
if ( *listp )
*listp = NULL;
}
#if defined(USE_TREE) && USE_TREE
/*****************************************************************
** dki_tfree ()
*****************************************************************/
void dki_tfree (dki_t **tree)
{
assert (tree != NULL);
// TODO: tdestroy is a GNU extension
// tdestroy (*tree, dki_free);
}
#endif
# define KEYGEN_COMPMODE "-C -q " /* this is the compability mode needed since BIND 9.7 */
/*****************************************************************
** dki_new ()
** create new keyfile
** allocate memory for new dki key and init with keyfile
*****************************************************************/
dki_t *dki_new (const char *dir, const char *name, int ksk, int algo, int bitsize, const char *rfile, int lf_days)
{
char cmdline[511+1];
char fname[254+1];
char randfile[254+1];
FILE *fp;
int len;
char *flag = "";
char *expflag = "";
dki_t *new;
if ( ksk )
flag = "-f KSK";
randfile[0] = '\0';
#if defined(BIND_VERSION) && BIND_VERSION < 91304
if ( rfile && *rfile )
snprintf (randfile, sizeof (randfile), "-r %.250s ", rfile);
#endif
#if defined(BIND_VERSION) && BIND_VERSION < 90902
if ( algo == DK_ALGO_RSA || algo == DK_ALGO_RSASHA1 || algo == DK_ALGO_RSASHA256 || algo == DK_ALGO_RSASHA512 )
expflag = "-e ";
#endif
if ( dir && *dir )
snprintf (cmdline, sizeof (cmdline), "cd %s ; %s %s%s%s-n ZONE -a %s -b %d %s %s 2>&1",
dir, KEYGENCMD, KEYGEN_COMPMODE, randfile, expflag, dki_algo2str(algo), bitsize, flag, name);
else
snprintf (cmdline, sizeof (cmdline), "%s %s%s%s-n ZONE -a %s -b %d %s %s 2>&1",
KEYGENCMD, KEYGEN_COMPMODE, randfile, expflag, dki_algo2str(algo), bitsize, flag, name);
dbg_msg (cmdline);
if ( (fp = popen (cmdline, "r")) == NULL )
return NULL;
fname[0] = '\0';
fgets (fname, sizeof fname, fp);
pclose (fp);
len = strlen (fname) - 1;
if ( len >= 0 && fname[len] == '\n' )
fname[len] = '\0';
new = dki_read (dir, fname);
if ( new )
dki_setlifetime (new, lf_days); /* sets gentime + proposed lifetime */
return new;
}
/*****************************************************************
** dki_read ()
** read key from file 'filename' (independed of the extension)
*****************************************************************/
dki_t *dki_read (const char *dirname, const char *filename)
{
dki_t *dkp;
FILE *fp;
struct stat st;
int len;
int err;
char fname[MAX_FNAMESIZE+1];
char path[MAX_PATHSIZE+1];
dki_estr[0] = '\0';
if ( (dkp = dki_alloc ()) == NULL )
return (NULL);
len = sizeof (fname) - 1;
fname[len] = '\0';
strncpy (fname, filename, len);
len = strlen (fname); /* delete extension */
if ( len > 4 && strcmp (&fname[len - 4], DKI_KEY_FILEEXT) == 0 )
fname[len - 4] = '\0';
else if ( len > 10 && strcmp (&fname[len - 10], DKI_PUB_FILEEXT) == 0 )
fname[len - 10] = '\0';
else if ( len > 8 && strcmp (&fname[len - 8], DKI_ACT_FILEEXT) == 0 )
fname[len - 8] = '\0';
else if ( len > 12 && strcmp (&fname[len - 12], DKI_DEP_FILEEXT) == 0 )
fname[len - 12] = '\0';
dbg_line ();
assert (strlen (dirname)+1 < sizeof (dkp->dname));
strcpy (dkp->dname, dirname);
assert (strlen (fname)+1 < sizeof (dkp->fname));
strcpy (dkp->fname, fname);
dbg_line ();
if ( sscanf (fname, "K%254[^+]+%hd+%d", dkp->name, &dkp->algo, &dkp->tag) != 3 )
{
snprintf (dki_estr, sizeof (dki_estr),
"dki_read: Filename don't match expected format (%s)", fname);
dki_free (dkp);
return (NULL);
}
pathname (path, sizeof (path), dkp->dname, dkp->fname, DKI_KEY_FILEEXT);
dbg_val ("dki_read: path \"%s\"\n", path);
if ( (fp = fopen (path, "r")) == NULL )
{
snprintf (dki_estr, sizeof (dki_estr),
"dki_read: Can\'t open file \"%s\" for reading", path);
dki_free (dkp);
return (NULL);
}
dbg_line ();
if ( (err = dki_readfile (fp, dkp)) != 0 )
{
dbg_line ();
snprintf (dki_estr, sizeof (dki_estr),
"dki_read: Can\'t read key from file %s (errno %d)", path, err);
fclose (fp);
dki_free (dkp);
return (NULL);
}
dbg_line ();
if ( fstat (fileno(fp), &st) )
{
snprintf (dki_estr, sizeof (dki_estr),
"dki_read: Can\'t stat file %s", fname);
fclose (fp);
dki_free (dkp);
return (NULL);
}
dkp->time = st.st_mtime;
dbg_line ();
pathname (path, sizeof (path), dkp->dname, dkp->fname, DKI_ACT_FILEEXT);
if ( fileexist (path) )
{
if ( dki_isrevoked (dkp) )
dkp->status = DKI_REV;
else
dkp->status = DKI_ACT;
}
else
{
pathname (path, sizeof (path), dkp->dname, dkp->fname, DKI_PUB_FILEEXT);
if ( fileexist (path) )
dkp->status = DKI_PUB;
else
{
pathname (path, sizeof (path), dkp->dname, dkp->fname, DKI_DEP_FILEEXT);
if ( fileexist (path) )
dkp->status = DKI_DEP;
else
dkp->status = DKI_SEP;
}
}
dbg_line ();
fclose (fp);
dbg_line ();
return dkp;
}
/*****************************************************************
** dki_readdir ()
** read key files from directory 'dir' and, if recursive is
** true, from all directorys below that.
*****************************************************************/
int dki_readdir (const char *dir, dki_t **listp, int recursive)
{
dki_t *dkp;
DIR *dirp;
struct dirent *dentp;
char path[MAX_PATHSIZE+1];
dbg_val ("directory: opendir(%s)\n", dir);
if ( (dirp = opendir (dir)) == NULL )
return 0;
while ( (dentp = readdir (dirp)) != NULL )
{
if ( is_dotfilename (dentp->d_name) )
continue;
dbg_val ("directory: check %s\n", dentp->d_name);
pathname (path, sizeof (path), dir, dentp->d_name, NULL);
if ( is_directory (path) && recursive )
{
dbg_val ("directory: recursive %s\n", path);
dki_readdir (path, listp, recursive);
}
else if ( is_keyfilename (dentp->d_name) )
if ( (dkp = dki_read (dir, dentp->d_name)) )
dki_add (listp, dkp);
}
closedir (dirp);
return 1;
}
/*****************************************************************
** dki_setstatus_preservetime ()
** set status of key and change extension to
** ".published", ".private" or ".depreciated"
*****************************************************************/
int dki_setstatus_preservetime (dki_t *dkp, int status)
{
return dki_setstat (dkp, status, 1);
}
/*****************************************************************
** dki_setstatus ()
** set status of key and change extension to
** ".published", ".private" or ".depreciated"
*****************************************************************/
int dki_setstatus (dki_t *dkp, int status)
{
return dki_setstat (dkp, status, 0);
}
/*****************************************************************
** dki_setstat ()
** low level function of dki_setstatus and dki_setstatus_preservetime
*****************************************************************/
static int dki_setstat (dki_t *dkp, int status, int preserve_time)
{
char frompath[MAX_PATHSIZE+1];
char topath[MAX_PATHSIZE+1];
time_t totime;
if ( dkp == NULL )
return 0;
status = tolower (status);
switch ( dkp->status ) /* look at old status */
{
case 'r':
if ( status == 'r' )
return 1;
break;
case 'a':
if ( status == 'a' )
return 1;
pathname (frompath, sizeof (frompath), dkp->dname, dkp->fname, DKI_ACT_FILEEXT);
break;
case 'd':
if ( status == 'd' )
return 1;
pathname (frompath, sizeof (frompath), dkp->dname, dkp->fname, DKI_DEP_FILEEXT);
break;
case 'p': /* or 's' */
if ( status == 'p' || status == 's' )
return 1;
pathname (frompath, sizeof (frompath), dkp->dname, dkp->fname, DKI_PUB_FILEEXT);
break;
default:
/* TODO: set error code */
return 0;
}
dbg_val ("dki_setstat: \"%s\"\n", frompath);
dbg_val ("dki_setstat: to status \"%c\"\n", status);
/* a state change could result in different things: */
/* 1) write a new keyfile when the REVOKE bit is set or unset */
if ( status == 'r' || (status == 'a' && dki_isrevoked (dkp)) )
{
pathname (topath, sizeof (topath), dkp->dname, dkp->fname, DKI_KEY_FILEEXT);
if ( status == 'r' )
dki_setflag (dkp, DK_FLAG_REVOKE); /* set REVOKE bit */
else
dki_unsetflag (dkp, DK_FLAG_REVOKE); /* clear REVOKE bit */
dki_writeinfo (dkp, topath); /* ..and write it to the key file */
if ( !preserve_time )
touch (topath, time (NULL));
return 0;
}
/* 2) change the filename of the private key in all other cases */
totime = 0L;
if ( preserve_time )
totime = file_mtime (frompath); /* get original timestamp */
topath[0] = '\0';
switch ( status )
{
case 'a':
pathname (topath, sizeof (topath), dkp->dname, dkp->fname, DKI_ACT_FILEEXT);
break;
case 'd':
pathname (topath, sizeof (topath), dkp->dname, dkp->fname, DKI_DEP_FILEEXT);
break;
case 's': /* standby means a "published KSK" */
if ( !dki_isksk (dkp) )
return 2;
status = 'p';
/* fall through */
case 'p':
pathname (topath, sizeof (topath), dkp->dname, dkp->fname, DKI_PUB_FILEEXT);
break;
}
if ( topath[0] )
{
dbg_val ("dki_setstat: to \"%s\"\n", topath);
if ( link (frompath, topath) == 0 )
unlink (frompath);
dkp->status = status;
if ( !totime )
totime = time (NULL); /* set .key file to current time */
pathname (topath, sizeof (topath), dkp->dname, dkp->fname, DKI_KEY_FILEEXT);
touch (topath, totime); /* store/restore time of status change */
}
return 0;
}
/*****************************************************************
** dki_remove ()
** rename files associated with key, so that the keys are not
** recognized by the zkt tools e.g.
** Kdo.ma.in.+001+12345.key ==> kdo.ma.in.+001+12345.key
** (second one starts with a lower case 'k')
*****************************************************************/
dki_t *dki_remove (dki_t *dkp)
{
char path[MAX_PATHSIZE+1];
char newpath[MAX_PATHSIZE+1];
char newfile[MAX_FNAMESIZE+1];
dki_t *next;
const char **pext;
static const char *ext[] = {
DKI_KEY_FILEEXT, DKI_PUB_FILEEXT,
DKI_ACT_FILEEXT, DKI_DEP_FILEEXT,
NULL
};
if ( dkp == NULL )
return NULL;
strncpy (newfile, dkp->fname, sizeof (newfile));
*newfile = tolower (*newfile);
for ( pext = ext; *pext; pext++ )
{
pathname (path, sizeof (path), dkp->dname, dkp->fname, *pext);
if ( fileexist (path) )
{
pathname (newpath, sizeof (newpath), dkp->dname, newfile, *pext);
dbg_val2 ("dki_remove: %s ==> %s \n", path, newpath);
rename (path, newpath);
}
}
next = dkp->next;
dki_free (dkp);
return next;
}
/*****************************************************************
** dki_destroy ()
** delete files associated with key and free allocated memory
*****************************************************************/
dki_t *dki_destroy (dki_t *dkp)
{
char path[MAX_PATHSIZE+1];
dki_t *next;
const char **pext;
static const char *ext[] = {
DKI_KEY_FILEEXT, DKI_PUB_FILEEXT,
DKI_ACT_FILEEXT, DKI_DEP_FILEEXT,
NULL
};
if ( dkp == NULL )
return NULL;
for ( pext = ext; *pext; pext++ )
{
pathname (path, sizeof (path), dkp->dname, dkp->fname, *pext);
if ( fileexist (path) )
{
dbg_val ("dki_remove: %s \n", path);
unlink (path);
}
}
next = dkp->next;
dki_free (dkp);
return next;
}
/*****************************************************************
** dki_algo2str ()
** return a string describing the key algorithm
*****************************************************************/
char *dki_algo2str (int algo)
{
switch ( algo )
{
case DK_ALGO_RSA: return ("RSAMD5");
case DK_ALGO_DH: return ("DH");
case DK_ALGO_DSA: return ("DSA");
case DK_ALGO_EC: return ("EC");
case DK_ALGO_RSASHA1: return ("RSASHA1");
case DK_ALGO_NSEC3DSA: return ("NSEC3DSA");
case DK_ALGO_NSEC3RSASHA1: return ("NSEC3RSASHA1");
case DK_ALGO_RSASHA256: return ("RSASHA256");
case DK_ALGO_RSASHA512: return ("RSASHA512");
case DK_ALGO_ECDSAP256SHA256: return ("ECDSAP256SHA256");
case DK_ALGO_ECDSAP384SHA384: return ("ECDSAP384SHA384");
}
return ("unknown");
}
/*****************************************************************
** dki_algo2sstr ()
** return a short string describing the key algorithm
*****************************************************************/
char *dki_algo2sstr (int algo)
{
switch ( algo )
{
case DK_ALGO_RSA: return ("RSAMD5");
case DK_ALGO_DH: return ("DH");
case DK_ALGO_DSA: return ("DSA");
case DK_ALGO_EC: return ("EC");
case DK_ALGO_RSASHA1: return ("RSASHA1");
case DK_ALGO_NSEC3DSA: return ("N3DSA");
case DK_ALGO_NSEC3RSASHA1: return ("N3RSA1");
case DK_ALGO_RSASHA256: return ("RSASHA2");
case DK_ALGO_RSASHA512: return ("RSASHA5");
case DK_ALGO_ECDSAP256SHA256: return ("P256");
case DK_ALGO_ECDSAP384SHA384: return ("P384");
}
return ("unknown");
}
/*****************************************************************
** dki_geterrstr ()
** return error string
*****************************************************************/
const char *dki_geterrstr ()
{
return dki_estr;
}
/*****************************************************************
** dki_prt_dnskey ()
*****************************************************************/
int dki_prt_dnskey (const dki_t *dkp, FILE *fp)
{
return dki_prt_dnskeyttl (dkp, fp, 0);
}
/*****************************************************************
** dki_prt_dnskeyttl ()
*****************************************************************/
int dki_prt_dnskeyttl (const dki_t *dkp, FILE *fp, int ttl)
{
char *p;
if ( dkp == NULL )
return 0;
fprintf (fp, "%s ", dkp->name);
if ( ttl > 0 )
fprintf (fp, "%d ", ttl);
fprintf (fp, "IN DNSKEY ");
fprintf (fp, "%d 3 %d (", dkp->flags, dkp->algo);
fprintf (fp, "\n\t\t\t");
for ( p = dkp->pubkey; *p ; p++ )
if ( *p == ' ' )
fprintf (fp, "\n\t\t\t");
else
putc (*p, fp);
fprintf (fp, "\n\t\t");
if ( dki_isrevoked (dkp) )
fprintf (fp, ") ; key id = %u (original key id = %u)", (dkp->tag + 128) % 65535, dkp->tag);
else
fprintf (fp, ") ; key id = %u", dkp->tag);
fprintf (fp, "\n");
return 1;
}
/*****************************************************************
** dki_prt_dnskey_raw ()
*****************************************************************/
int dki_prt_dnskey_raw (const dki_t *dkp, FILE *fp)
{
int days;
if ( dkp == NULL )
return 0;
if ( dkp->gentime )
fprintf (fp, ";%%\tgenerationtime=%s\n", time2isostr (dkp->gentime, 's'));
if ( (days = dki_lifetimedays (dkp)) )
fprintf (fp, ";%%\tlifetime=%dd\n", days);
if ( dkp->exptime )
fprintf (fp, ";%%\texpirationtime=%s\n", time2isostr (dkp->exptime, 's'));
fprintf (fp, "%s ", dkp->name);
#if 0
if ( ttl > 0 )
fprintf (fp, "%d ", ttl);
#endif
fprintf (fp, "IN DNSKEY ");
fprintf (fp, "%d 3 %d ", dkp->flags, dkp->algo);
fprintf (fp, "%s\n", dkp->pubkey);
return 1;
}
/*****************************************************************
** dki_prt_comment ()
*****************************************************************/
int dki_prt_comment (const dki_t *dkp, FILE *fp)
{
int len = 0;
if ( dkp == NULL )
return len;
len += fprintf (fp, "; %s ", dkp->name);
len += fprintf (fp, "tag=%u ", dkp->tag);
len += fprintf (fp, "algo=%s ", dki_algo2str(dkp->algo));
len += fprintf (fp, "generated %s\n", time2str (dkp->time, 's'));
return len;
}
/*****************************************************************
** dki_prt_trustedkey ()
*****************************************************************/
int dki_prt_trustedkey (const dki_t *dkp, FILE *fp)
{
char *p;
int spaces;
int len = 0;
if ( dkp == NULL )
return len;
len += fprintf (fp, "\"%s\" ", dkp->name);
spaces = 22 - (strlen (dkp->name) + 3);
len += fprintf (fp, "%*s", spaces > 0 ? spaces : 0 , " ");
len += fprintf (fp, "%d 3 %d ", dkp->flags, dkp->algo);
if ( spaces < 0 )
len += fprintf (fp, "\n\t\t\t%7s", " ");
len += fprintf (fp, "\"");
for ( p = dkp->pubkey; *p ; p++ )
if ( *p == ' ' )
len += fprintf (fp, "\n\t\t\t\t");
else
putc (*p, fp), len += 1;
if ( dki_isrevoked (dkp) )
len += fprintf (fp, "\" ; # key id = %u (original key id = %u)\n\n", (dkp->tag + 128) % 65535, dkp->tag);
else
len += fprintf (fp, "\" ; # key id = %u\n\n", dkp->tag);
return len;
}
/*****************************************************************
** dki_prt_managedkey ()
*****************************************************************/
int dki_prt_managedkey (const dki_t *dkp, FILE *fp)
{
char *p;
int spaces;
int len = 0;
if ( dkp == NULL )
return len;
len += fprintf (fp, "\"%s\" ", dkp->name);
spaces = 22 - (strlen (dkp->name) + 3);
len += fprintf (fp, "initial-key ");
spaces -= 13;
len += fprintf (fp, "%*s", spaces > 0 ? spaces : 0 , " ");
len += fprintf (fp, "%d 3 %d ", dkp->flags, dkp->algo);
if ( spaces < 0 )
len += fprintf (fp, "\n\t\t\t%7s", " ");
len += fprintf (fp, "\"");
for ( p = dkp->pubkey; *p ; p++ )
if ( *p == ' ' )
len += fprintf (fp, "\n\t\t\t\t");
else
putc (*p, fp), len += 1;
if ( dki_isrevoked (dkp) )
len += fprintf (fp, "\" ; # key id = %u (original key id = %u)\n\n", (dkp->tag + 128) % 65535, dkp->tag);
else
len += fprintf (fp, "\" ; # key id = %u\n\n", dkp->tag);
return len;
}
/*****************************************************************
** dki_cmp () return <0 | 0 | >0
*****************************************************************/
int dki_cmp (const dki_t *a, const dki_t *b)
{
int res;
if ( a == NULL ) return -1;
if ( b == NULL ) return 1;
/* sort by domain name, */
if ( (res = domaincmp (a->name, b->name)) != 0 )
return res;
/* then by key type, */
if ( (res = dki_isksk (b) - dki_isksk (a)) != 0 )
return res;
/* and last by creation time, */
return (ulong)a->time - (ulong)b->time;
}
#if defined(USE_TREE) && USE_TREE
/*****************************************************************
** dki_allcmp () return <0 | 0 | >0
*****************************************************************/
int dki_allcmp (const dki_t *a, const dki_t *b)
{
int res;
if ( a == NULL ) return -1;
if ( b == NULL ) return 1;
// fprintf (stderr, "dki_allcmp %s, %s)\n", a->name, b->name);
/* sort by domain name, */
if ( (res = domaincmp (a->name, b->name)) != 0 )
return res;
/* then by key type, */
if ( (res = dki_isksk (b) - dki_isksk (a)) != 0 )
return res;
/* creation time, */
if ( (res = (ulong)a->time - (ulong)b->time) != 0 )
return res;
/* and last by tag */
return a->tag - b->tag;
}
/*****************************************************************
** dki_namecmp () return <0 | 0 | >0
*****************************************************************/
int dki_namecmp (const dki_t *a, const dki_t *b)
{
if ( a == NULL ) return -1;
if ( b == NULL ) return 1;
return domaincmp (a->name, b->name);
}
/*****************************************************************
** dki_revnamecmp () return <0 | 0 | >0
*****************************************************************/
int dki_revnamecmp (const dki_t *a, const dki_t *b)
{
if ( a == NULL ) return -1;
if ( b == NULL ) return 1;
return domaincmp_dir (a->name, b->name, 0);
}
/*****************************************************************
** dki_tagcmp () return <0 | 0 | >0
*****************************************************************/
int dki_tagcmp (const dki_t *a, const dki_t *b)
{
if ( a == NULL ) return -1;
if ( b == NULL ) return 1;
return a->tag - b->tag;
}
#endif
/*****************************************************************
** dki_timecmp ()
*****************************************************************/
int dki_timecmp (const dki_t *a, const dki_t *b)
{
if ( a == NULL ) return -1;
if ( b == NULL ) return 1;
return ((ulong)a->time - (ulong)b->time);
}
/*****************************************************************
** dki_algo () return the algorithm of the key
*****************************************************************/
time_t dki_algo (const dki_t *dkp)
{
assert (dkp != NULL);
return (dkp->algo);
}
/*****************************************************************
** dki_time () return the timestamp of the key
*****************************************************************/
time_t dki_time (const dki_t *dkp)
{
assert (dkp != NULL);
return (dkp->time);
}
/*****************************************************************
** dki_exptime () return the expiration timestamp of the key
*****************************************************************/
time_t dki_exptime (const dki_t *dkp)
{
assert (dkp != NULL);
return (dkp->exptime);
}
/*****************************************************************
** dki_lifetime (dkp) return the lifetime of the key in sec!
*****************************************************************/
time_t dki_lifetime (const dki_t *dkp)
{
assert (dkp != NULL);
return (dkp->lifetime);
}
/*****************************************************************
** dki_lifetimedays (dkp) return the lifetime of the key in days!
*****************************************************************/
ushort dki_lifetimedays (const dki_t *dkp)
{
assert (dkp != NULL);
return (dkp->lifetime / DAYSEC);
}
/*****************************************************************
** dki_gentime (dkp) return the generation timestamp of the key
*****************************************************************/
time_t dki_gentime (const dki_t *dkp)
{
assert (dkp != NULL);
return (dkp->gentime > 0L ? dkp->gentime: dkp->time);
}
/*****************************************************************
** dki_setlifetime (dkp, int days)
** set the lifetime in days (and also the gentime if not set)
** return the old lifetime of the key in days!
*****************************************************************/
ushort dki_setlifetime (dki_t *dkp, int days)
{
ulong lifetsec;
char path[MAX_PATHSIZE+1];