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netcat-openbsd/port-to-linux-with-libsd.patch
Vítězslav Čížek c0756e8f2c Accepting request 510980 from home:scarabeus_iv:branches:network:utilities 
- Drop all patches that were never upstreamed:
  * connect-timeout.patch
  * dccp.patch
  * gcc-warnings.patch
  * getservbyname.patch
  * glib-strlcpy.patch
  * help-version-exit.patch
  * nc-1.84-udp_stop.patch
  * netcat-info.patch
  * netcat-openbsd-debian.patch
  * netcat-openbsd-examples.patch
  * netcat-openbsd-openbsd-compat.patch
  * no-strtonum.patch
  * pollhup.patch
  * quit-timer.patch
  * reuseaddr.patch
  * send-crlf.patch
  * silence-z.patch
  * socks-b64-prototype.patch
  * udp-scan-timeout.patch
  * verbose-message-to-stderr.patch
  * verbose-numeric-port.patch
- Switch to debian package to not waste resources on doing exactly
  the same.
- Switches URL for debian package
- Apply patches already prepared for debian package
  * port-to-linux-with-libsd.patch
  * compile-without-TLS-support.patch
  * connect-timeout.patch
  * get-sev-by-name.patch

OBS-URL: https://build.opensuse.org/request/show/510980
OBS-URL: https://build.opensuse.org/package/show/network:utilities/netcat-openbsd?expand=0&rev=16
2017-07-17 13:26:12 +00:00

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From: Aron Xu <aron@debian.org>
Date: Mon, 13 Feb 2012 15:59:31 +0800
Subject: port to linux with libsd
---
Makefile | 15 +++++++-
nc.1 | 4 --
netcat.c | 118 +++++++++++++++++++++++++++++++++++++++++++++++----------------
socks.c | 46 ++++++++++++------------
4 files changed, 127 insertions(+), 56 deletions(-)
--- a/Makefile
+++ b/Makefile
@@ -5,4 +5,17 @@ SRCS= netcat.c atomicio.c socks.c
LDADD+= -ltls -lssl -lcrypto
DPADD+= ${LIBTLS} ${LIBSSL} ${LIBCRYPTO}
-.include <bsd.prog.mk>
+LIBS= `pkg-config --libs libbsd` -lresolv
+OBJS= $(SRCS:.c=.o)
+CFLAGS= -g -O2
+LDFLAGS= -Wl,--no-add-needed
+
+all: nc
+nc: $(OBJS)
+ $(CC) $(CFLAGS) $(LDFLAGS) $(OBJS) $(LIBS) -o nc
+
+$(OBJS): %.o: %.c
+ $(CC) $(CFLAGS) -c $< -o $@
+
+clean:
+ rm -f $(OBJS) nc
--- a/nc.1
+++ b/nc.1
@@ -202,9 +202,6 @@ Proxy authentication is only supported f
Specifies the source port
.Nm
should use, subject to privilege restrictions and availability.
-It is an error to use this option in conjunction with the
-.Fl l
-option.
.It Fl R Ar CAfile
Specifies the filename from which the root CA bundle for certificate
verification is loaded, in PEM format.
@@ -249,6 +246,7 @@ For IPv4 TOS value
may be one of
.Ar critical ,
.Ar inetcontrol ,
+.Ar lowcost ,
.Ar lowdelay ,
.Ar netcontrol ,
.Ar throughput ,
--- a/netcat.c
+++ b/netcat.c
@@ -32,6 +32,8 @@
* *Hobbit* <hobbit@avian.org>.
*/
+#define _GNU_SOURCE
+
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/uio.h>
@@ -41,6 +43,49 @@
#include <netinet/tcp.h>
#include <netinet/ip.h>
#include <arpa/telnet.h>
+#ifdef __linux__
+# include <linux/in6.h>
+#endif
+
+#ifndef IPTOS_LOWDELAY
+# define IPTOS_LOWDELAY 0x10
+# define IPTOS_THROUGHPUT 0x08
+# define IPTOS_RELIABILITY 0x04
+# define IPTOS_LOWCOST 0x02
+# define IPTOS_MINCOST IPTOS_LOWCOST
+#endif /* IPTOS_LOWDELAY */
+
+# ifndef IPTOS_DSCP_AF11
+# define IPTOS_DSCP_AF11 0x28
+# define IPTOS_DSCP_AF12 0x30
+# define IPTOS_DSCP_AF13 0x38
+# define IPTOS_DSCP_AF21 0x48
+# define IPTOS_DSCP_AF22 0x50
+# define IPTOS_DSCP_AF23 0x58
+# define IPTOS_DSCP_AF31 0x68
+# define IPTOS_DSCP_AF32 0x70
+# define IPTOS_DSCP_AF33 0x78
+# define IPTOS_DSCP_AF41 0x88
+# define IPTOS_DSCP_AF42 0x90
+# define IPTOS_DSCP_AF43 0x98
+# define IPTOS_DSCP_EF 0xb8
+#endif /* IPTOS_DSCP_AF11 */
+
+#ifndef IPTOS_DSCP_CS0
+# define IPTOS_DSCP_CS0 0x00
+# define IPTOS_DSCP_CS1 0x20
+# define IPTOS_DSCP_CS2 0x40
+# define IPTOS_DSCP_CS3 0x60
+# define IPTOS_DSCP_CS4 0x80
+# define IPTOS_DSCP_CS5 0xa0
+# define IPTOS_DSCP_CS6 0xc0
+# define IPTOS_DSCP_CS7 0xe0
+#endif /* IPTOS_DSCP_CS0 */
+
+#ifndef IPTOS_DSCP_EF
+# define IPTOS_DSCP_EF 0xb8
+#endif /* IPTOS_DSCP_EF */
+
#include <err.h>
#include <errno.h>
@@ -55,6 +100,8 @@
#include <time.h>
#include <unistd.h>
#include <tls.h>
+#include <bsd/stdlib.h>
+#include <bsd/string.h>
#include "atomicio.h"
#define PORT_MAX 65535
@@ -260,10 +307,14 @@ main(int argc, char *argv[])
uflag = 1;
break;
case 'V':
+# if defined(RT_TABLEID_MAX)
rtableid = (int)strtonum(optarg, 0,
RT_TABLEID_MAX, &errstr);
if (errstr)
errx(1, "rtable %s: %s", errstr, optarg);
+# else
+ errx(1, "no alternate routing table support available");
+# endif
break;
case 'v':
vflag = 1;
@@ -301,7 +352,11 @@ main(int argc, char *argv[])
oflag = optarg;
break;
case 'S':
+# if defined(TCP_MD5SIG)
Sflag = 1;
+# else
+ errx(1, "no TCP MD5 signature support available");
+# endif
break;
case 'T':
errstr = NULL;
@@ -326,32 +381,23 @@ main(int argc, char *argv[])
argc -= optind;
argv += optind;
+# if defined(RT_TABLEID_MAX)
if (rtableid >= 0)
if (setrtable(rtableid) == -1)
err(1, "setrtable");
-
- if (family == AF_UNIX) {
- if (pledge("stdio rpath wpath cpath tmppath unix", NULL) == -1)
- err(1, "pledge");
- } else if (Fflag) {
- if (Pflag) {
- if (pledge("stdio inet dns sendfd tty", NULL) == -1)
- err(1, "pledge");
- } else if (pledge("stdio inet dns sendfd", NULL) == -1)
- err(1, "pledge");
- } else if (Pflag) {
- if (pledge("stdio inet dns tty", NULL) == -1)
- err(1, "pledge");
- } else if (usetls) {
- if (pledge("stdio rpath inet dns", NULL) == -1)
- err(1, "pledge");
- } else if (pledge("stdio inet dns", NULL) == -1)
- err(1, "pledge");
+# endif
/* Cruft to make sure options are clean, and used properly. */
if (argv[0] && !argv[1] && family == AF_UNIX) {
host = argv[0];
uport = NULL;
+ } else if (!argv[0] && lflag) {
+ if (sflag)
+ errx(1, "cannot use -s and -l");
+ if (zflag)
+ errx(1, "cannot use -z and -l");
+ if (pflag)
+ uport=pflag;
} else if (argv[0] && !argv[1]) {
if (!lflag)
usage(1);
@@ -363,12 +409,6 @@ main(int argc, char *argv[])
} else
usage(1);
- if (lflag && sflag)
- errx(1, "cannot use -s and -l");
- if (lflag && pflag)
- errx(1, "cannot use -p and -l");
- if (lflag && zflag)
- errx(1, "cannot use -z and -l");
if (!lflag && kflag)
errx(1, "must use -l with -k");
if (uflag && usetls)
@@ -401,8 +441,8 @@ main(int argc, char *argv[])
} else {
strlcpy(unix_dg_tmp_socket_buf, "/tmp/nc.XXXXXXXXXX",
UNIX_DG_TMP_SOCKET_SIZE);
- if (mktemp(unix_dg_tmp_socket_buf) == NULL)
- err(1, "mktemp");
+ if (mkstemp(unix_dg_tmp_socket_buf) == -1)
+ err(1, "mkstemp");
unix_dg_tmp_socket = unix_dg_tmp_socket_buf;
}
}
@@ -880,8 +920,10 @@ remote_connect(const char *host, const c
if (sflag || pflag) {
struct addrinfo ahints, *ares;
+# if defined (SO_BINDANY)
/* try SO_BINDANY, but don't insist */
setsockopt(s, SOL_SOCKET, SO_BINDANY, &on, sizeof(on));
+# endif
memset(&ahints, 0, sizeof(struct addrinfo));
ahints.ai_family = res->ai_family;
ahints.ai_socktype = uflag ? SOCK_DGRAM : SOCK_STREAM;
@@ -973,9 +1015,15 @@ local_listen(char *host, char *port, str
res->ai_protocol)) < 0)
continue;
+ ret = setsockopt(s, SOL_SOCKET, SO_REUSEADDR, &x, sizeof(x));
+ if (ret == -1)
+ err(1, NULL);
+
+# if defined(SO_REUSEPORT)
ret = setsockopt(s, SOL_SOCKET, SO_REUSEPORT, &x, sizeof(x));
if (ret == -1)
err(1, NULL);
+# endif
set_common_sockopts(s, res->ai_family);
@@ -1425,11 +1473,13 @@ set_common_sockopts(int s, int af)
{
int x = 1;
+# if defined(TCP_MD5SIG)
if (Sflag) {
if (setsockopt(s, IPPROTO_TCP, TCP_MD5SIG,
&x, sizeof(x)) == -1)
err(1, NULL);
}
+# endif
if (Dflag) {
if (setsockopt(s, SOL_SOCKET, SO_DEBUG,
&x, sizeof(x)) == -1)
@@ -1460,8 +1510,11 @@ set_common_sockopts(int s, int af)
IP_TTL, &ttl, sizeof(ttl)))
err(1, "set IP TTL");
- else if (af == AF_INET6 && setsockopt(s, IPPROTO_IPV6,
+ else
+#if defined(IPV6_UNICAST_HOPS)
+ if (af == AF_INET6 && setsockopt(s, IPPROTO_IPV6,
IPV6_UNICAST_HOPS, &ttl, sizeof(ttl)))
+#endif
err(1, "set IPv6 unicast hops");
}
@@ -1470,8 +1523,11 @@ set_common_sockopts(int s, int af)
IP_MINTTL, &minttl, sizeof(minttl)))
err(1, "set IP min TTL");
- else if (af == AF_INET6 && setsockopt(s, IPPROTO_IPV6,
+ else
+#if defined(IPV6_MINHOPCOUNT)
+ if (af == AF_INET6 && setsockopt(s, IPPROTO_IPV6,
IPV6_MINHOPCOUNT, &minttl, sizeof(minttl)))
+#endif
err(1, "set IPv6 min hop count");
}
}
@@ -1507,6 +1563,7 @@ map_tos(char *s, int *val)
{ "cs7", IPTOS_DSCP_CS7 },
{ "ef", IPTOS_DSCP_EF },
{ "inetcontrol", IPTOS_PREC_INTERNETCONTROL },
+ { "lowcost", IPTOS_LOWCOST },
{ "lowdelay", IPTOS_LOWDELAY },
{ "netcontrol", IPTOS_PREC_NETCONTROL },
{ "reliability", IPTOS_RELIABILITY },
@@ -1640,6 +1697,9 @@ report_connect(const struct sockaddr *sa
void
help(void)
{
+# if defined(DEBIAN_VERSION)
+ fprintf(stderr, "OpenBSD netcat (Debian patchlevel " DEBIAN_VERSION ")\n");
+# endif
usage(0);
fprintf(stderr, "\tCommand Summary:\n\
\t-4 Use IPv4\n\
@@ -1680,7 +1740,7 @@ help(void)
\t-x addr[:port]\tSpecify proxy address and port\n\
\t-z Zero-I/O mode [used for scanning]\n\
Port numbers can be individual or ranges: lo-hi [inclusive]\n");
- exit(1);
+ exit(0);
}
void
--- a/socks.c
+++ b/socks.c
@@ -38,7 +38,7 @@
#include <string.h>
#include <unistd.h>
#include <resolv.h>
-#include <readpassphrase.h>
+#include <bsd/readpassphrase.h>
#include "atomicio.h"
#define SOCKS_PORT "1080"
@@ -219,11 +219,11 @@ socks_connect(const char *host, const ch
buf[2] = SOCKS_NOAUTH;
cnt = atomicio(vwrite, proxyfd, buf, 3);
if (cnt != 3)
- err(1, "write failed (%zu/3)", cnt);
+ err(1, "write failed (%zu/3)", (size_t)cnt);
cnt = atomicio(read, proxyfd, buf, 2);
if (cnt != 2)
- err(1, "read failed (%zu/3)", cnt);
+ err(1, "read failed (%zu/3)", (size_t)cnt);
if (buf[1] == SOCKS_NOMETHOD)
errx(1, "authentication method negotiation failed");
@@ -272,11 +272,11 @@ socks_connect(const char *host, const ch
cnt = atomicio(vwrite, proxyfd, buf, wlen);
if (cnt != wlen)
- err(1, "write failed (%zu/%zu)", cnt, wlen);
+ err(1, "write failed (%zu/%zu)", (size_t)cnt, (size_t)wlen);
cnt = atomicio(read, proxyfd, buf, 4);
if (cnt != 4)
- err(1, "read failed (%zu/4)", cnt);
+ err(1, "read failed (%zu/4)", (size_t)cnt);
if (buf[1] != 0) {
errx(1, "connection failed, SOCKSv5 error: %s",
socks5_strerror(buf[1]));
@@ -285,12 +285,12 @@ socks_connect(const char *host, const ch
case SOCKS_IPV4:
cnt = atomicio(read, proxyfd, buf + 4, 6);
if (cnt != 6)
- err(1, "read failed (%zu/6)", cnt);
+ err(1, "read failed (%zu/6)", (size_t)cnt);
break;
case SOCKS_IPV6:
cnt = atomicio(read, proxyfd, buf + 4, 18);
if (cnt != 18)
- err(1, "read failed (%zu/18)", cnt);
+ err(1, "read failed (%zu/18)", (size_t)cnt);
break;
default:
errx(1, "connection failed, unsupported address type");
@@ -310,11 +310,11 @@ socks_connect(const char *host, const ch
cnt = atomicio(vwrite, proxyfd, buf, wlen);
if (cnt != wlen)
- err(1, "write failed (%zu/%zu)", cnt, wlen);
+ err(1, "write failed (%zu/%zu)", (size_t)cnt, (size_t)wlen);
cnt = atomicio(read, proxyfd, buf, 8);
if (cnt != 8)
- err(1, "read failed (%zu/8)", cnt);
+ err(1, "read failed (%zu/8)", (size_t)cnt);
if (buf[1] != 90) {
errx(1, "connection failed, SOCKSv4 error: %s",
socks4_strerror(buf[1]));
@@ -328,39 +328,39 @@ socks_connect(const char *host, const ch
/* Try to be sane about numeric IPv6 addresses */
if (strchr(host, ':') != NULL) {
- r = snprintf(buf, sizeof(buf),
+ r = snprintf((char*)buf, sizeof(buf),
"CONNECT [%s]:%d HTTP/1.0\r\n",
host, ntohs(serverport));
} else {
- r = snprintf(buf, sizeof(buf),
+ r = snprintf((char*)buf, sizeof(buf),
"CONNECT %s:%d HTTP/1.0\r\n",
host, ntohs(serverport));
}
if (r == -1 || (size_t)r >= sizeof(buf))
errx(1, "hostname too long");
- r = strlen(buf);
+ r = strlen((char*)buf);
cnt = atomicio(vwrite, proxyfd, buf, r);
if (cnt != r)
- err(1, "write failed (%zu/%d)", cnt, r);
+ err(1, "write failed (%zu/%d)", (size_t)cnt, (int)r);
if (authretry > 1) {
char resp[1024];
proxypass = getproxypass(proxyuser, proxyhost);
- r = snprintf(buf, sizeof(buf), "%s:%s",
+ r = snprintf((char*)buf, sizeof(buf), "%s:%s",
proxyuser, proxypass);
if (r == -1 || (size_t)r >= sizeof(buf) ||
- b64_ntop(buf, strlen(buf), resp,
+ b64_ntop(buf, strlen((char*)buf), resp,
sizeof(resp)) == -1)
errx(1, "Proxy username/password too long");
- r = snprintf(buf, sizeof(buf), "Proxy-Authorization: "
+ r = snprintf((char*)buf, sizeof(buf), "Proxy-Authorization: "
"Basic %s\r\n", resp);
if (r == -1 || (size_t)r >= sizeof(buf))
errx(1, "Proxy auth response too long");
- r = strlen(buf);
+ r = strlen((char*)buf);
if ((cnt = atomicio(vwrite, proxyfd, buf, r)) != r)
- err(1, "write failed (%zu/%d)", cnt, r);
+ err(1, "write failed (%zu/%d)", (size_t)cnt, r);
}
/* Terminate headers */
@@ -368,22 +368,22 @@ socks_connect(const char *host, const ch
err(1, "write failed (%zu/2)", cnt);
/* Read status reply */
- proxy_read_line(proxyfd, buf, sizeof(buf));
+ proxy_read_line(proxyfd, (char*)buf, sizeof(buf));
if (proxyuser != NULL &&
- strncmp(buf, "HTTP/1.0 407 ", 12) == 0) {
+ strncmp((char*)buf, "HTTP/1.0 407 ", 12) == 0) {
if (authretry > 1) {
fprintf(stderr, "Proxy authentication "
"failed\n");
}
close(proxyfd);
goto again;
- } else if (strncmp(buf, "HTTP/1.0 200 ", 12) != 0 &&
- strncmp(buf, "HTTP/1.1 200 ", 12) != 0)
+ } else if (strncmp((char*)buf, "HTTP/1.0 200 ", 12) != 0 &&
+ strncmp((char*)buf, "HTTP/1.1 200 ", 12) != 0)
errx(1, "Proxy error: \"%s\"", buf);
/* Headers continue until we hit an empty line */
for (r = 0; r < HTTP_MAXHDRS; r++) {
- proxy_read_line(proxyfd, buf, sizeof(buf));
+ proxy_read_line(proxyfd, (char*)buf, sizeof(buf));
if (*buf == '\0')
break;
}
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