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Resolve conflicts.

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This commit is contained in:
Jeroen Ruigrok van der Werven 2000-05-26 07:24:14 +00:00
parent 6be735eb30
commit a63f91247a
5 changed files with 441 additions and 196 deletions
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620
contrib/bind/bin/named-xfer/named-xfer.c
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@ -131,7 +131,7 @@ char copyright[] =
#if !defined(lint) && !defined(SABER) #if !defined(lint) && !defined(SABER)
static const char sccsid[] = "@(#)named-xfer.c 4.18 (Berkeley) 3/7/91"; static const char sccsid[] = "@(#)named-xfer.c 4.18 (Berkeley) 3/7/91";
static const char rcsid[] = "$Id: named-xfer.c,v 8.89 1999/11/09 20:36:54 marka Exp $"; static const char rcsid[] = "$Id: named-xfer.c,v 8.93 2000/04/20 07:33:47 vixie Exp $";
#endif /* not lint */ #endif /* not lint */
#include "port_before.h" #include "port_before.h"
@ -179,7 +179,7 @@ static const char rcsid[] = "$Id: named-xfer.c,v 8.89 1999/11/09 20:36:54 marka
#define MAX_XFER_RESTARTS 2 #define MAX_XFER_RESTARTS 2
#define ENABLE_IXFR 0 #define ENABLE_IXFR 1
# ifdef SHORT_FNAMES # ifdef SHORT_FNAMES
extern long pathconf __P((const char *path, int name)); /* XXX */ extern long pathconf __P((const char *path, int name)); /* XXX */
@ -192,7 +192,7 @@ static char *ddtfilename = NULL,
*ddtfile = NULL; *ddtfile = NULL;
static char *tmpname = NULL, static char *tmpname = NULL,
*tmpiname = NULL, /* temporary file name for ixfr transaction file */ *tmpiname = NULL, /* temporary file name for ixfr transaction file */
*domain; /* domain being xfered */ *domain; /* domain being xfered */
static int quiet = 0, static int quiet = 0,
@ -210,12 +210,12 @@ static void usage(const char *),
tsig_init(const char *); tsig_init(const char *);
static int getzone(struct zoneinfo *, u_int32_t, int), static int getzone(struct zoneinfo *, u_int32_t, int),
print_output(struct zoneinfo *, u_int32_t, print_output(struct zoneinfo *, u_int32_t,
u_char *, int, u_char *), u_char *, int, u_char *, int),
netread(int, char *, int, int), netread(int, char *, int, int),
writemsg(int, const u_char *, int); writemsg(int, const u_char *, int);
static void ixfr_log(const u_char *msg, int len, int *delete, static int ixfr_log(const u_char *msg, int len, int *delete,
FILE *file, struct sockaddr_in *sin, FILE *file, struct sockaddr_in *sin,
char *domain, u_int32_t serial_no, int *); char *domain, u_int32_t *serial_no, int *);
static SIG_FN read_alarm(void); static SIG_FN read_alarm(void);
static SIG_FN term_handler(void); static SIG_FN term_handler(void);
static const char *soa_zinfo(struct zoneinfo *, u_char *, u_char*), static const char *soa_zinfo(struct zoneinfo *, u_char *, u_char*),
@ -226,7 +226,6 @@ struct zoneinfo zp_start, zp_finish;
static int restarts = 0; static int restarts = 0;
static int check_serial = 0; static int check_serial = 0;
static int xfr_qtype = T_AXFR; static int xfr_qtype = T_AXFR;
static u_int32_t old_serial;
FILE *ddt = NULL; FILE *ddt = NULL;
int servermethode[NSMAX]; int servermethode[NSMAX];
@ -693,8 +692,8 @@ main(int argc, char *argv[]) {
if (movefile(tmpname, ixfrfile) == -1) { if (movefile(tmpname, ixfrfile) == -1) {
perror("movefile"); perror("movefile");
#ifdef DEBUG #ifdef DEBUG
if (debug) if (debug)
(void) unlink(ddtfile); (void) unlink(ddtfile);
#endif #endif
if (!quiet) if (!quiet)
syslog(LOG_ERR, syslog(LOG_ERR,
@ -834,7 +833,6 @@ int soa_cnt = 0, scdsoa = 0, methode = ISNOTIXFR;
int delete_soa = 1; int delete_soa = 1;
u_int32_t final_serial = 0; u_int32_t final_serial = 0;
int ixfr_soa = 0; int ixfr_soa = 0;
int firstsoa = 1;
int ns_cnt = 0; int ns_cnt = 0;
int query_type = 0; int query_type = 0;
int prev_comment = 0; /* was previous record a comment? */ int prev_comment = 0; /* was previous record a comment? */
@ -853,6 +851,7 @@ getzone(struct zoneinfo *zp, u_int32_t serial_no, int port) {
u_int cnt; u_int cnt;
u_char *cp, *nmp, *eom, *tmp ; u_char *cp, *nmp, *eom, *tmp ;
u_char *buf = NULL, *cpp = NULL; u_char *buf = NULL, *cpp = NULL;
u_char *bp;
u_int bufsize = 0; u_int bufsize = 0;
char name[MAXDNAME], name2[MAXDNAME]; char name[MAXDNAME], name2[MAXDNAME];
struct sockaddr_in sin; struct sockaddr_in sin;
@ -864,6 +863,7 @@ getzone(struct zoneinfo *zp, u_int32_t serial_no, int port) {
struct sigvec sv, osv; struct sigvec sv, osv;
#endif #endif
int qdcount, ancount, aucount, arcount, class, type; int qdcount, ancount, aucount, arcount, class, type;
int first_serial;
const char *badsoa_msg = "Nil"; const char *badsoa_msg = "Nil";
struct sockaddr_in my_addr; struct sockaddr_in my_addr;
char my_addr_text[30]; char my_addr_text[30];
@ -874,7 +874,9 @@ getzone(struct zoneinfo *zp, u_int32_t serial_no, int port) {
u_char sig[64]; u_char sig[64];
int siglen; int siglen;
int ixfr_first = 1; int ixfr_first = 1;
int loop_cnt = 0;
time_t timesigned; time_t timesigned;
u_int32_t query_serial = serial_no;
#ifdef DEBUG #ifdef DEBUG
if (debug) { if (debug) {
@ -983,7 +985,7 @@ getzone(struct zoneinfo *zp, u_int32_t serial_no, int port) {
(void) my_close(s); (void) my_close(s);
continue; continue;
} }
if (methode == ISIXFR) { if (methode == ISIXFR && was_ixfr == 0) {
hp = (HEADER *) buf; hp = (HEADER *) buf;
cpp = buf; cpp = buf;
n = res_nmkquery(&res, QUERY, zp->z_origin, curclass, n = res_nmkquery(&res, QUERY, zp->z_origin, curclass,
@ -1070,9 +1072,10 @@ getzone(struct zoneinfo *zp, u_int32_t serial_no, int port) {
* Get out your butterfly net and catch the SOA * Get out your butterfly net and catch the SOA
*/ */
if (netread(s, (char *)buf, INT16SZ, XFER_TIMER) < 0) { if (netread(s, (char *)buf, INT16SZ,
error++; (soa_cnt == 0) ?400 :XFER_TIMER) < 0) {
(void) my_close(s); (void) my_close(s);
error++;
continue; continue;
} }
if ((len = ns_get16(buf)) == 0) { if ((len = ns_get16(buf)) == 0) {
@ -1118,16 +1121,10 @@ getzone(struct zoneinfo *zp, u_int32_t serial_no, int port) {
res_pquery(&res, buf, len, ddt); res_pquery(&res, buf, len, ddt);
} }
#endif #endif
if ((methode == ISIXFR) && (ixfp == NULL)) { if (((methode == ISIXFR) && (ixfp == NULL)) && was_ixfr == 0) {
delete_soa = 1; delete_soa = 1;
firstsoa = 1;
ixfr_soa = 0; ixfr_soa = 0;
old_serial = serial_no; if ((ixfp = fopen(tmpiname, "w+")) == NULL) {
if (ixfp != NULL) {
fflush(ixfp);
/* XXX error */
ftruncate(fileno(ixfp), 0);
} else if ((ixfp = fopen(tmpiname, "w+")) == NULL) {
perror(tmpiname); perror(tmpiname);
if (!quiet) if (!quiet)
syslog(LOG_ERR, syslog(LOG_ERR,
@ -1142,7 +1139,6 @@ getzone(struct zoneinfo *zp, u_int32_t serial_no, int port) {
ancount = ntohs(hp->ancount); ancount = ntohs(hp->ancount);
aucount = ntohs(hp->nscount); aucount = ntohs(hp->nscount);
arcount = ntohs(hp->arcount); arcount = ntohs(hp->arcount);
/* /*
* close socket if any of these apply: * close socket if any of these apply:
* 1) rcode != NOERROR * 1) rcode != NOERROR
@ -1152,7 +1148,7 @@ getzone(struct zoneinfo *zp, u_int32_t serial_no, int port) {
*/ */
if (hp->rcode != NOERROR || !hp->aa || qdcount != 1 || if (hp->rcode != NOERROR || !hp->aa || qdcount != 1 ||
(ancount < 1 && aucount < 1)) { (ancount < 1 && aucount < 1)) {
#ifndef ultrix /*XXX*/ #ifndef SYSLOG_42BSD
syslog(LOG_NOTICE, syslog(LOG_NOTICE,
"[%s] %s for %s, SOA query got rcode %d, aa %d, ancount %d, aucount %d", "[%s] %s for %s, SOA query got rcode %d, aa %d, ancount %d, aucount %d",
inet_ntoa(sin.sin_addr), inet_ntoa(sin.sin_addr),
@ -1184,6 +1180,12 @@ getzone(struct zoneinfo *zp, u_int32_t serial_no, int port) {
tmp = buf + HFIXEDSZ; tmp = buf + HFIXEDSZ;
eom = buf + len; eom = buf + len;
/* Query Section. */ /* Query Section. */
if (qdcount > 1) {
badsoa_msg = "question error";
goto badsoa;
}
if (qdcount < 1)
goto no_question;
n = dn_expand(buf, eom, tmp, name2, sizeof name2); n = dn_expand(buf, eom, tmp, name2, sizeof name2);
if (n < 0) { if (n < 0) {
badsoa_msg = "qname error"; badsoa_msg = "qname error";
@ -1196,8 +1198,10 @@ getzone(struct zoneinfo *zp, u_int32_t serial_no, int port) {
} }
NS_GET16(type, tmp); NS_GET16(type, tmp);
NS_GET16(class, tmp); NS_GET16(class, tmp);
if (class != curclass || ((type != T_SOA) && type != T_IXFR) || if (class != curclass ||
ns_samename(zp->z_origin, name2) != 1) { ((type != T_SOA) && (type != T_IXFR) && (type != T_AXFR)) ||
ns_samename(zp->z_origin, name2) != 1)
{
syslog(LOG_INFO, syslog(LOG_INFO,
"wrong query in resp from [%s], zone %s: [%s %s %s]\n", "wrong query in resp from [%s], zone %s: [%s %s %s]\n",
inet_ntoa(sin.sin_addr), zp->z_origin, inet_ntoa(sin.sin_addr), zp->z_origin,
@ -1206,15 +1210,16 @@ getzone(struct zoneinfo *zp, u_int32_t serial_no, int port) {
(void) my_close(s); (void) my_close(s);
continue; continue;
} }
no_question:
/* ... Answer Section. /* ... Answer Section.
* We may have to loop a little, to bypass SIG SOA's in * We may have to loop a little, to bypass SIG SOA's in
* the response. * the response.
*/ */
loop_cnt = 0;
do { do {
u_char *cp4; u_char *cp4;
u_short type, class, dlen; u_short type, class, dlen;
u_int32_t ttl; u_int32_t ttl;
n = dn_expand(buf, eom, tmp, name2, sizeof name2); n = dn_expand(buf, eom, tmp, name2, sizeof name2);
if (n < 0) { if (n < 0) {
badsoa_msg = "aname error"; badsoa_msg = "aname error";
@ -1236,12 +1241,53 @@ getzone(struct zoneinfo *zp, u_int32_t serial_no, int port) {
badsoa_msg = "zinfo dlen too big"; badsoa_msg = "zinfo dlen too big";
goto badsoa; goto badsoa;
} }
if (type == T_SOA) if (type == T_SOA) {
if (was_ixfr) {
methode = ISNOTIXFR;
break; break;
}
if ((methode == ISIXFR) && (loop_cnt == 0)) {
bp = tmp;
soa_cnt++;
badsoa_msg = soa_zinfo(&zp_finish, tmp, eom);
if (badsoa_msg)
goto badsoa;
if (ixfp)
if (ixfr_log(buf, len, &delete_soa, ixfp,
&sin, domain, &serial_no,
&ixfr_first) < 0) {
error++;
break;
}
} else {
if (methode == ISIXFR) {
check_serial = 0;
soa_cnt++;
break;
}
break;
}
}
if ((loop_cnt >= 1) && (soa_cnt < 2)) {
dprintf(1,
"server %s %d rejected IXFR and responded with AXFR\n",
inet_ntoa(sin.sin_addr), soa_cnt);
methode = ISNOTIXFR;
check_serial = 0;
was_ixfr++;
tmp = bp;
break;
}
/* Skip to next record, if any. */ /* Skip to next record, if any. */
dprintf(1, "skipping %s %s RR in response\n", dprintf(1, "skipping %s %s RR in response\n",
name2, p_type(type)); name2, p_type(type));
tmp = cp4 + dlen; tmp = cp4 + dlen;
loop_cnt++;
if (loop_cnt >= ancount) {
tmp = bp;
check_serial = 0;
break;
}
} while (1); } while (1);
if (ns_samename(zp->z_origin, name2) != 1) { if (ns_samename(zp->z_origin, name2) != 1) {
@ -1256,28 +1302,17 @@ getzone(struct zoneinfo *zp, u_int32_t serial_no, int port) {
badsoa_msg = soa_zinfo(&zp_start, tmp, eom); badsoa_msg = soa_zinfo(&zp_start, tmp, eom);
if (badsoa_msg) if (badsoa_msg)
goto badsoa; goto badsoa;
if (methode == ISNOTIXFR) {
if (SEQ_GT(zp_start.z_serial, serial_no) || !check_serial) { if (SEQ_GT(zp_start.z_serial, serial_no) || !check_serial) {
const char *l, *nl, *t; const char *l, *nl, *t;
if (soa_cnt) {
goto axfr_response;
}
dprintf(1, "need update, serial %u\n", dprintf(1, "need update, serial %u\n",
zp_start.z_serial); zp_start.z_serial);
soa_cnt = 0;
hp = (HEADER *) buf; hp = (HEADER *) buf;
if ((methode == ISIXFR) && (soa_cnt == 0)) {
if (type == T_IXFR) {
if (ixfp)
ixfr_log(buf, len, &delete_soa, ixfp,
&sin, domain, serial_no,
&ixfr_first);
soa_cnt = 2;
} else {
dprintf(1,
"server %s rejected IXFR and responded with AXFR\n",
inet_ntoa(sin.sin_addr));
methode = ISNOTIXFR;
was_ixfr++;
soa_cnt++;
}
}
ns_cnt = 0; ns_cnt = 0;
gettime(&tt); gettime(&tt);
locallen = sizeof local; locallen = sizeof local;
@ -1394,7 +1429,7 @@ getzone(struct zoneinfo *zp, u_int32_t serial_no, int port) {
} }
} }
/*XXX ZXFR*/ /*XXX ZXFR*/
if (methode == ISNOTIXFR && !was_ixfr) { receive:
/* /*
* Receive length & response * Receive length & response
*/ */
@ -1426,7 +1461,6 @@ getzone(struct zoneinfo *zp, u_int32_t serial_no, int port) {
error++; error++;
break; break;
} }
}
#ifdef DEBUG #ifdef DEBUG
if (debug >= 3) { if (debug >= 3) {
(void)fprintf(ddt,"len = %d\n", len); (void)fprintf(ddt,"len = %d\n", len);
@ -1456,8 +1490,7 @@ getzone(struct zoneinfo *zp, u_int32_t serial_no, int port) {
} }
} }
if (len < HFIXEDSZ) { if (len < HFIXEDSZ) {
badrec:
badrec:
error++; error++;
alen = sizeof my_addr; alen = sizeof my_addr;
if (getsockname(s, (struct sockaddr *) if (getsockname(s, (struct sockaddr *)
@ -1487,6 +1520,7 @@ getzone(struct zoneinfo *zp, u_int32_t serial_no, int port) {
} }
break; break;
} }
axfr_response:
if (query_type == T_IXFR) if (query_type == T_IXFR)
if (hp->rcode != NOERROR) { if (hp->rcode != NOERROR) {
dprintf(1, dprintf(1,
@ -1508,156 +1542,360 @@ getzone(struct zoneinfo *zp, u_int32_t serial_no, int port) {
((n + QFIXEDSZ) >= (eom - cp))) ((n + QFIXEDSZ) >= (eom - cp)))
goto badrec; goto badrec;
cp += n + QFIXEDSZ; cp += n + QFIXEDSZ;
} else {
if (methode == ISIXFR && ixfp)
ixfr_log(buf, len, &delete_soa, ixfp,
&sin, domain, serial_no,
&ixfr_first);
} }
nmp = cp; nmp = cp;
if ((n = dn_skipname(cp, eom)) == -1) if ((n = dn_skipname(cp, eom)) == -1)
goto badrec; goto badrec;
tmp = cp + n; tmp = cp + n;
if (zp->z_type == Z_STUB) { if (zp->z_type == Z_STUB) {
ancount = ntohs(hp->ancount); ancount = ntohs(hp->ancount);
n = 0; n = 0;
for (cnt = 0; cnt < (u_int)ancount; cnt++) {
n = print_output(zp, serial_no, buf,
len, cp);
if (n < 0)
break;
cp += n;
}
/*
* If we've processed the answer section and
* didn't get any useful answers, bail out.
*/
if (query_type == T_SOA && soa_cnt == 0) {
syslog(LOG_ERR,
"stubs: no SOA in answer");
error++;
break;
}
if (query_type == T_NS && ns_cnt == 0) {
syslog(LOG_ERR,
"stubs: no NS in answer");
error++;
break;
}
if (n >= 0 && hp->nscount) {
ancount = ntohs(hp->nscount);
for (cnt = 0; for (cnt = 0;
cnt < (u_int)ancount; cnt < (u_int)ancount;
cnt++) { cnt++) {
n = print_output(zp, serial_no, n = print_output(zp,
buf, len, serial_no,
cp); buf, len, cp,
was_ixfr);
if (n < 0) if (n < 0)
break; break;
cp += n; cp += n;
} }
} /*
ancount = ntohs(hp->arcount); * If we've processed the answer
for (cnt = 0; * section and didn't get any useful
n > 0 && cnt < (u_int)ancount; * answers, bail out.
cnt++) { */
n = print_output(zp, serial_no, buf, if (query_type == T_SOA &&
len, cp); soa_cnt == 0) {
cp += n; syslog(LOG_ERR,
} "stubs: no SOA in answer");
if (n < 0) { error++;
syslog(LOG_INFO,
"print_output: unparseable answer (%d), zone %s",
hp->rcode, zp->z_origin);
error++;
break;
}
if (cp != eom) {
syslog(LOG_INFO,
"print_output: short answer (%d, %d), zone %s",
cp - buf, eom - buf,
zp->z_origin);
error++;
break;
}
} else {
ancount = ntohs(hp->ancount);
for (n = cnt = 0; cnt < (u_int)ancount; cnt++) {
n = print_output(zp, serial_no, buf,
len, cp);
if (n < 0)
break; break;
cp += n; }
} if (query_type == T_NS &&
if (n < 0) { ns_cnt == 0) {
syslog(LOG_INFO, syslog(LOG_ERR,
"print_output: unparseable answer (%d), zone %s", "stubs: no NS in answer");
hp->rcode, zp->z_origin); error++;
error++; break;
break; }
} if (n >= 0 && hp->nscount) {
if (cp != eom) { ancount = ntohs(hp->nscount);
syslog(LOG_INFO, for (cnt = 0;
cnt < (u_int)ancount;
cnt++) {
n = print_output(zp,
serial_no,
buf,
len,
cp,
was_ixfr);
if (n < 0)
break;
cp += n;
}
}
ancount = ntohs(hp->arcount);
for (cnt = 0;
n > 0 && cnt < (u_int)ancount;
cnt++) {
n = print_output(zp, serial_no,
buf, len, cp,
was_ixfr);
cp += n;
}
if (n < 0) {
syslog(LOG_INFO,
"print_output: unparseable answer (%d), zone %s",
hp->rcode,
zp->z_origin);
error++;
break;
}
if (cp != eom) {
syslog(LOG_INFO,
"print_output: short answer (%d, %d), zone %s", "print_output: short answer (%d, %d), zone %s",
cp - buf, eom - buf, cp - buf, eom - buf,
zp->z_origin); zp->z_origin);
error++; error++;
break; break;
}
} else {
ancount = ntohs(hp->ancount);
if (query_type == T_IXFR &&
methode == ISIXFR) {
if (ixfr_log(buf, len,
&delete_soa, ixfp,
&sin, domain,
&serial_no,
&ixfr_first) < 0){
error++;
break;
}
}
for (n = cnt = 0;
cnt < (u_int)ancount;
cnt++) {
n = print_output(zp, serial_no,
buf, len, cp,
was_ixfr);
if (n < 0)
break;
cp += n;
}
if (n < 0) {
syslog(LOG_INFO,
"print_output: unparseable answer (%d), zone %s",
hp->rcode,
zp->z_origin);
error++;
break;
}
if (cp != eom) {
syslog(LOG_INFO,
"print_output: short answer (%d, %d), zone %s",
cp - buf, eom - buf,
zp->z_origin);
error++;
break;
}
} }
if ((soa_cnt >= 2) && (methode == ISNOTIXFR))
break;
if ((soa_cnt == -1) && (methode == ISIXFR))
break;
} }
(void) my_close(s);
if ((soa_cnt >= 2) && (methode == ISNOTIXFR)) if (error == 0) {
break;
if ((soa_cnt == -1) && (methode == ISIXFR))
break;
}
(void) my_close(s);
if (error == 0) {
#ifdef POSIX_SIGNALS #ifdef POSIX_SIGNALS
(void) sigaction(SIGALRM, &osv, (void) sigaction(SIGALRM, &osv,
(struct sigaction *)0); (struct sigaction *)0);
#else #else
(void) sigvec(SIGALRM, &osv, (struct sigvec *)0); (void) sigvec(SIGALRM, &osv,
(struct sigvec *)0);
#endif #endif
if (methode == ISIXFR) {
fprintf(ixfp, "update:\t{add} ");
if (soa_buf)
fputs(soa_buf, ixfp);
fprintf(ixfp, "[END_DELTA]\n");
(void) my_close(s);
return (XFER_SUCCESSIXFR);
} else {
if (ixfp) { if (ixfp) {
(void) fclose(ixfp); (void) fclose(ixfp);
ixfp = NULL; ixfp = NULL;
} }
return (XFER_SUCCESSAXFR); return (XFER_SUCCESSAXFR);
} }
} if (ixfp) {
if (ixfp) { (void) fclose(ixfp);
(void) fclose(ixfp); ixfp = NULL;
ixfp = NULL; }
} dprintf(2, "error receiving zone transfer\n");
dprintf(2, "error receiving zone transfer\n"); } else if (zp_start.z_serial == serial_no) {
} else if (zp_start.z_serial == serial_no) {
(void) my_close(s); (void) my_close(s);
dprintf(1, "zone up-to-date, serial %u\n", zp_start.z_serial); dprintf(1, "zone up-to-date, serial %u\n",
zp_start.z_serial);
if (ixfp) { if (ixfp) {
(void) unlink (tmpiname); (void) unlink (tmpiname);
(void) fclose(ixfp); (void) fclose(ixfp);
ixfp = NULL; ixfp = NULL;
} }
return (XFER_UPTODATE); return (XFER_UPTODATE);
} else { } else {
(void) my_close(s); (void) my_close(s);
if (!quiet) if (!quiet)
syslog(LOG_NOTICE, syslog(LOG_NOTICE,
"serial from [%s], zone %s: %u lower than current: %u\n", "serial from [%s], zone %s: %u lower than current: %u\n",
inet_ntoa(sin.sin_addr), zp->z_origin, inet_ntoa(sin.sin_addr), zp->z_origin,
zp_start.z_serial, serial_no); zp_start.z_serial, serial_no);
return (XFER_FAIL); return (XFER_FAIL);
} }
} else {
if (zp_finish.z_serial == query_serial) {
(void) my_close(s);
dprintf(1, "zone up-to-date, serial %u\n",
zp_start.z_serial);
if (ixfp) {
(void) unlink (tmpiname);
(void) fclose(ixfp);
ixfp = NULL;
}
return (XFER_UPTODATE);
}
if (SEQ_GT(query_serial, zp_finish.z_serial)) {
if (!quiet)
syslog(LOG_NOTICE,
"serial from [%s], zone %s: %u lower than current: %u\n",
inet_ntoa(sin.sin_addr), zp->z_origin,
zp_finish.z_serial, query_serial);
dprintf(1,
"serial from [%s], zone %s: %u lower than current: %u\n",
inet_ntoa(sin.sin_addr), zp->z_origin,
zp_finish.z_serial, query_serial);
if (ixfp) {
(void) fclose(ixfp);
ixfp = NULL;
(void) unlink (tmpiname);
}
if (was_ixfr == 0) {
was_ixfr++;
n = res_nmkquery(&res, QUERY,
zp->z_origin,
curclass, T_AXFR,
NULL, 0,
NULL, buf, bufsize);
if (n < 0) {
if (!quiet)
syslog(LOG_INFO,
"zone %s: res_nmkquery T_SOA failed",
zp->z_origin);
(void) my_close(s);
#ifdef POSIX_SIGNALS
(void) sigaction(SIGALRM, &osv,
(struct sigaction *)0);
#else
(void) sigvec(SIGALRM, &osv,
(struct sigvec *)0);
#endif
return (XFER_FAIL);
}
/*
* Append TSIG to SOA query if desired
*/
tsig_key = tsig_key_from_addr(sin.sin_addr);
if (tsig_key != NULL) {
siglen = sizeof(sig);
ret = ns_sign(buf, &n, bufsize,
NOERROR,
tsig_key, NULL,
0, sig, &siglen,
timesigned);
if (ret == 0)
tsig_signed = 1;
}
/*
* Send length & message for AXFR query
*/
if (writemsg(s, buf, n) < 0)
syslog(LOG_INFO,
"writemsg: %m");
else {
methode = ISNOTIXFR;
check_serial = 0;
soa_cnt = 0;
was_ixfr = 0;
goto receive;
}
}
(void) my_close(s);
return (XFER_FAIL);
}
if (ancount == 1) {
methode = ISNOTIXFR;
check_serial = 0;
soa_cnt = 0;
goto axfr_response;
}
dprintf(1, "We have an IXFR\n");
while (SEQ_GT(zp_finish.z_serial, serial_no)) {
/*
* Receive length & response
*/
if (netread(s, (char *)buf, INT16SZ,
(soa_cnt == 0) ?300 :XFER_TIMER)
< 0) {
error++;
break;
}
if ((len = ns_get16(buf)) == 0)
break;
if (len > bufsize) {
buf = (u_char *)realloc(buf, len);
if (buf == NULL) {
syslog(LOG_INFO,
"malloc(%u) failed for packet from server [%s], zone %s\n",
len,
inet_ntoa(sin.sin_addr),
zp->z_origin);
error++;
break;
}
bufsize = len;
}
hp = (HEADER *)buf;
eom = buf + len;
if (netread(s, (char *)buf, len, XFER_TIMER)
< 0) {
error++;
break;
}
#ifdef DEBUG
if (debug >= 3) {
(void)fprintf(ddt,"len = %d\n", len);
res_pquery(&res, buf, len, ddt);
}
if (fp)
res_pquery(&res, buf, len, fp);
#endif
/*
* Verify the TSIG if expected
*/
if (tsig_signed != 0) {
tsig_req = (soa_cnt == 0);
ret = ns_verify_tcp(buf, (int *)&len,
&tsig_state,
tsig_req);
eom = buf + len;
if (ret != 0) {
syslog(LOG_NOTICE,
"TSIG verification from server [%s], zone %s: %s (%d)\n",
inet_ntoa(sin.sin_addr),
zp->z_origin,
tsig_rcode(ret), ret);
error++;
break;
}
}
if (len < HFIXEDSZ) {
error++;
alen = sizeof my_addr;
if (getsockname(s, (struct sockaddr *)
&my_addr, &alen) < 0)
sprintf(my_addr_text, "[errno %d]", errno);
else
sprintf(my_addr_text, "[%s].%u",
inet_ntoa(my_addr. sin_addr),
ntohs(my_addr.sin_port));
if ((hp->rcode == REFUSED) &&
(len >= HFIXEDSZ)) {
syslog(LOG_INFO,
"[%s] transfer refused from [%s], zone %s\n",
my_addr_text,
inet_ntoa(sin.sin_addr),
zp->z_origin);
} else {
syslog(LOG_INFO,
"[%s] record too short from [%s], zone %s\n",
my_addr_text,
inet_ntoa(sin.sin_addr),
zp->z_origin);
}
break;
}
if (ixfp)
if (ixfr_log(buf, len, &delete_soa, ixfp,
&sin, domain, &serial_no,
&ixfr_first) < 0) {
error++;
break;
}
}
(void) my_close(s);
if (!error) {
fprintf(ixfp, "update:\t{add} ");
if (soa_buf)
fputs(soa_buf, ixfp);
fprintf(ixfp, "[END_DELTA]\n");
return (XFER_SUCCESSIXFR);
}
}
} }
#ifdef POSIX_SIGNALS #ifdef POSIX_SIGNALS
(void) sigaction(SIGALRM, &osv, (struct sigaction *)0); (void) sigaction(SIGALRM, &osv, (struct sigaction *)0);
@ -1703,10 +1941,12 @@ netread(int fd, char *buf, int len, int timeout) {
ival = zeroival; ival = zeroival;
ival.it_value.tv_sec = timeout; ival.it_value.tv_sec = timeout;
while (len > 0) { while (len > 0) {
#ifndef WINNT
if (setitimer(ITIMER_REAL, &ival, NULL) < 0) { if (setitimer(ITIMER_REAL, &ival, NULL) < 0) {
syslog(LOG_INFO, setitimerStr); syslog(LOG_INFO, setitimerStr);
return (-1); return (-1);
} }
#endif
errno = 0; errno = 0;
salen = sizeof sa; salen = sizeof sa;
n = recvfrom(fd, buf, len, 0, (struct sockaddr *)&sa, &salen); n = recvfrom(fd, buf, len, 0, (struct sockaddr *)&sa, &salen);
@ -1743,10 +1983,12 @@ netread(int fd, char *buf, int len, int timeout) {
buf += n; buf += n;
len -= n; len -= n;
} }
#ifndef WINNT
if (setitimer(ITIMER_REAL, &zeroival, NULL) < 0) { if (setitimer(ITIMER_REAL, &zeroival, NULL) < 0) {
syslog(LOG_INFO, setitimerStr); syslog(LOG_INFO, setitimerStr);
return (-1); return (-1);
} }
#endif
return (0); return (0);
} }
@ -1826,7 +2068,7 @@ soa_zinfo(struct zoneinfo *zp, u_char *cp, u_char *eom) {
*/ */
static int static int
print_output(struct zoneinfo *zp, u_int32_t serial_no, u_char *msg, print_output(struct zoneinfo *zp, u_int32_t serial_no, u_char *msg,
int msglen, u_char *rrp) { int msglen, u_char *rrp, int was_ixfr) {
u_char *cp; u_char *cp;
HEADER *hp = (HEADER *) msg; HEADER *hp = (HEADER *) msg;
u_int32_t addr, ttl, tmpnum; u_int32_t addr, ttl, tmpnum;
@ -2196,9 +2438,8 @@ print_output(struct zoneinfo *zp, u_int32_t serial_no, u_char *msg,
zp->z_origin, zp_finish.z_serial); zp->z_origin, zp_finish.z_serial);
} }
soa_cnt++; soa_cnt++;
if ((methode == ISIXFR) || (soa_cnt >= 2)) { if (methode == ISIXFR)
return (result); return (result);
}
} else { } else {
badsoa_msg = soa_zinfo(&zp_finish, rr_type_ptr, eom); badsoa_msg = soa_zinfo(&zp_finish, rr_type_ptr, eom);
if (badsoa_msg) { if (badsoa_msg) {
@ -2256,6 +2497,9 @@ print_output(struct zoneinfo *zp, u_int32_t serial_no, u_char *msg,
return (result); return (result);
} }
} }
if ((soa_cnt == 2) && (was_ixfr == 0))
return (result);
} }
if (zp->z_type == Z_STUB) { if (zp->z_type == Z_STUB) {
@ -2758,7 +3002,7 @@ tsig_key_from_addr(struct in_addr addr) {
return NULL; return NULL;
} }
static void static u_int32_t
do_section(ns_msg *handle, ns_sect section, int pflag, FILE *file, int *delete) { do_section(ns_msg *handle, ns_sect section, int pflag, FILE *file, int *delete) {
int n, sflag, rrnum; int n, sflag, rrnum;
char buf[2048]; /* XXX need to malloc */ char buf[2048]; /* XXX need to malloc */
@ -2776,19 +3020,21 @@ do_section(ns_msg *handle, ns_sect section, int pflag, FILE *file, int *delete)
*/ */
sflag = (_res.pfcode & pflag); sflag = (_res.pfcode & pflag);
if (_res.pfcode && !sflag) if (_res.pfcode && !sflag)
return; return (-1);
opcode = (ns_opcode)ns_msg_getflag(*handle, ns_f_opcode); opcode = (ns_opcode)ns_msg_getflag(*handle, ns_f_opcode);
rrnum = 0; rrnum = 0;
serial = -1;
for (;;) { for (;;) {
if (ns_parserr(handle, section, rrnum, &rr)) { if (ns_parserr(handle, section, rrnum, &rr)) {
if (errno != ENODEV) if (errno != ENODEV) {
fprintf(file, ";; ns_parserr: %s\n", fprintf(file, ";; ns_parserr: %s\n",
strerror(errno)); strerror(errno));
else if (rrnum > 0 && sflag != 0 && return (-1);
} else if (rrnum > 0 && sflag != 0 &&
(_res.pfcode & RES_PRF_HEAD1)) (_res.pfcode & RES_PRF_HEAD1))
putc('\n', file); putc('\n', file);
return; return (serial);
} }
if (rrnum == 0 && sflag != 0 && (_res.pfcode & RES_PRF_HEAD1)) if (rrnum == 0 && sflag != 0 && (_res.pfcode & RES_PRF_HEAD1))
fprintf(file, ";; %s SECTION:\n", fprintf(file, ";; %s SECTION:\n",
@ -2816,24 +3062,21 @@ do_section(ns_msg *handle, ns_sect section, int pflag, FILE *file, int *delete)
} }
cp += n; cp += n;
NS_GET32(serial, cp); NS_GET32(serial, cp);
if (*delete && serial != old_serial)
/*XXX*/;
old_serial = serial;
switch (++ixfr_soa) { switch (++ixfr_soa) {
case 1: case 1:
final_serial = serial; final_serial = serial;
if (soa_buf == NULL) { if (soa_buf == NULL) {
if ((soa_buf = (char *)malloc(2 * PACKETSZ)) == NULL) { if ((soa_buf = (char *)malloc(2 * PACKETSZ)) == NULL) {
syslog(LOG_INFO, "malloc(%u) failed", 2 * PACKETSZ); syslog(LOG_INFO, "malloc(%u) failed", 2 * PACKETSZ);
return; return(-1);
} }
n = ns_sprintrr(handle, &rr, NULL, NULL, n = ns_sprintrr(handle, &rr, NULL, NULL,
soa_buf, 2*PACKETSZ); soa_buf, 2*PACKETSZ);
if (n < 0) { if (n < 0) {
fprintf(file, ";; ns_sprintrr: %s\n", fprintf(file, ";; ns_sprintrr: %s\n",
strerror(errno)); strerror(errno));
return; return (-1);
} }
} }
print_record = 0; print_record = 0;
break; break;
@ -2862,7 +3105,7 @@ do_section(ns_msg *handle, ns_sect section, int pflag, FILE *file, int *delete)
if (n < 0) { if (n < 0) {
fprintf(file, ";; ns_sprintrr: %s\n", fprintf(file, ";; ns_sprintrr: %s\n",
strerror(errno)); strerror(errno));
return; return(-1);
} }
fputs(buf, file); fputs(buf, file);
fputc('\n', file); fputc('\n', file);
@ -2872,11 +3115,12 @@ do_section(ns_msg *handle, ns_sect section, int pflag, FILE *file, int *delete)
} }
rrnum++; rrnum++;
} }
return (serial);
} }
static void static int
ixfr_log(const u_char *msg, int len, int *delete, FILE *file, ixfr_log(const u_char *msg, int len, int *delete, FILE *file,
struct sockaddr_in *sin, char *domain, u_int32_t serial_no, struct sockaddr_in *sin, char *domain, u_int32_t *serial_no,
int *first_rr) int *first_rr)
{ {
ns_msg handle; ns_msg handle;
@ -2885,17 +3129,20 @@ ixfr_log(const u_char *msg, int len, int *delete, FILE *file,
ns_opcode opcode; ns_opcode opcode;
ns_rcode rcode; ns_rcode rcode;
u_int id, n; u_int id, n;
char time[25]; char time[25];
ns_rr rr; ns_rr rr;
char *cp; char *cp;
HEADER *hp; HEADER *hp;
if ((_res.options & RES_INIT) == 0 && res_init() == -1) if ((_res.options & RES_INIT) == 0 && res_init() == -1) {
return; dprintf(1, "ixfr_log() failed\n");
return (-1);
}
if (ns_initparse(msg, len, &handle) < 0) { if (ns_initparse(msg, len, &handle) < 0) {
fprintf(file, ";; ns_initparse: %s\n", strerror(errno)); fprintf(file, ";; ns_initparse: %s\n", strerror(errno));
return; dprintf(1, "ixfr_log() failed\n");
return (-1);
} }
opcode = (ns_opcode) ns_msg_getflag(handle, ns_f_opcode); opcode = (ns_opcode) ns_msg_getflag(handle, ns_f_opcode);
rcode = (ns_rcode) ns_msg_getflag(handle, ns_f_rcode); rcode = (ns_rcode) ns_msg_getflag(handle, ns_f_rcode);
@ -2905,7 +3152,8 @@ ixfr_log(const u_char *msg, int len, int *delete, FILE *file,
{ {
(void) fprintf(file,"ns_parserr() failed"); (void) fprintf(file,"ns_parserr() failed");
return; dprintf(1, "ixfr_log() failed\n");
return (-1);
} }
type = (ns_type)rr.type; type = (ns_type)rr.type;
class = (ns_class)rr.rr_class; class = (ns_class)rr.rr_class;
@ -2915,12 +3163,13 @@ ixfr_log(const u_char *msg, int len, int *delete, FILE *file,
(void) fprintf(file,"%s", LogSignature); (void) fprintf(file,"%s", LogSignature);
sprintf(time, "at %lu", (u_long)tt.tv_sec); sprintf(time, "at %lu", (u_long)tt.tv_sec);
fprintf(file, fprintf(file,
"[IXFR_UPDATE] id %u from [%s].%d %s (named-xfr pid %ld):\n", "[IXFR_UPDATE] id %u from [%s].%d %s (named-xfer pid %ld):\n",
id, inet_ntoa(sin->sin_addr), id, inet_ntoa(sin->sin_addr),
ntohs(sin->sin_port), time, (long)getpid()); ntohs(sin->sin_port), time, (long)getpid());
(*first_rr)++; (*first_rr)++;
} }
do_section(&handle, ns_s_an, RES_PRF_ANS, file, delete); *serial_no = do_section(&handle, ns_s_an, RES_PRF_ANS, file, delete);
return (1);
} }
static const char * static const char *
@ -2944,3 +3193,4 @@ tsig_rcode(int rcode) {
} }
return ("FORMERR"); return ("FORMERR");
} }

6
contrib/bind/bin/named/Makefile
View File

@ -1,4 +1,4 @@
## Copyright (c) 1996-1999 by Internet Software Consortium ## Copyright (c) 1996-2000 by Internet Software Consortium
## ##
## Permission to use, copy, modify, and distribute this software for any ## Permission to use, copy, modify, and distribute this software for any
## purpose with or without fee is hereby granted, provided that the above ## purpose with or without fee is hereby granted, provided that the above
@ -13,7 +13,7 @@
## ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS ## ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
## SOFTWARE. ## SOFTWARE.
# $Id: Makefile,v 8.47 1999/08/26 18:42:31 vixie Exp $ # $Id: Makefile,v 8.49 2000/05/09 07:02:22 vixie Exp $
# $FreeBSD$ # $FreeBSD$
DESTDIR= DESTDIR=
@ -87,7 +87,7 @@ tmp_version.c: version.c Makefile ../Makefile ${SRCS} ${HDRS}
(u=$${USER-root} d=`pwd` h=`${HOSTNAMECMD}` t=`date`; \ (u=$${USER-root} d=`pwd` h=`${HOSTNAMECMD}` t=`date`; \
sed -e "s|%WHEN%|$${t}|" -e "s|%VERSION%|"${VER}"|" \ sed -e "s|%WHEN%|$${t}|" -e "s|%VERSION%|"${VER}"|" \
-e "s|%WHOANDWHERE%|$${u}@$${h}:$${d}|" \ -e "s|%WHOANDWHERE%|$${u}@$${h}:$${d}|" \
< version.c > tmp_version.c) < version.c > tmp_version.c); sleep 1
pathnames.h: ${TOP}/.settings Makefile pathtemplate.h pathnames.h: ${TOP}/.settings Makefile pathtemplate.h
rm -f pathnames.h rm -f pathnames.h

6
contrib/bind/bin/nslookup/commands.l
View File

@ -159,7 +159,7 @@ nslookup_yy_input(buf, result, max_size, intr)
%} %}
WS [ \t] WS [ \t]
FLET [A-Za-z0-9.*\\_] FLET [A-Za-z0-9.*\\_]
LET [A-Za-z0-9.*] LET [A-Za-z0-9.*_]
NAME [A-Za-z0-9.*=_/-] NAME [A-Za-z0-9.*=_/-]
%% %%
^{WS}*server{WS}+{LET}{NAME}*{WS}*$ { ^{WS}*server{WS}+{LET}{NAME}*{WS}*$ {
@ -196,10 +196,6 @@ NAME [A-Za-z0-9.*=_/-]
Finger(yytext, 0); Finger(yytext, 0);
return(1); return(1);
} }
^{WS}*view{WS}+{NAME}+{WS}*$ {
ViewList((char *)yytext);
return(1);
}
^{WS}*ls{WS}+(("-a"|"-d"|"-h"|"-m"|"-s"){WS}+)?{LET}{NAME}*{WS}+>>?{WS}+{NAME}+{WS}*$ { ^{WS}*ls{WS}+(("-a"|"-d"|"-h"|"-m"|"-s"){WS}+)?{LET}{NAME}*{WS}+>>?{WS}+{NAME}+{WS}*$ {
/* /*
* 2nd arg. * 2nd arg.

4
contrib/bind/bin/nslookup/main.c
View File

@ -78,7 +78,7 @@ char copyright[] =
#ifndef lint #ifndef lint
static const char sccsid[] = "@(#)main.c 5.42 (Berkeley) 3/3/91"; static const char sccsid[] = "@(#)main.c 5.42 (Berkeley) 3/3/91";
static const char rcsid[] = "$Id: main.c,v 8.13 1999/10/13 16:39:19 vixie Exp $"; static const char rcsid[] = "$Id: main.c,v 8.14 2000/03/30 23:25:34 vixie Exp $";
#endif /* not lint */ #endif /* not lint */
/* /*
@ -172,7 +172,7 @@ jmp_buf env;
/* /*
* Browser command for help and view. * Browser command for help.
*/ */
char *pager; char *pager;

1
contrib/bind/port/freebsd/include/port_after.h
View File

@ -1,7 +1,6 @@
/* $FreeBSD$ */ /* $FreeBSD$ */
#ifndef PORT_AFTER_H #ifndef PORT_AFTER_H
#define PORT_AFTER_H #define PORT_AFTER_H
#define CAN_RECONNECT
#define USE_POSIX #define USE_POSIX
#define POSIX_SIGNALS #define POSIX_SIGNALS
#define USE_UTIME #define USE_UTIME