From e46e78bfe12923989e7262eec2116dba7e00299b Mon Sep 17 00:00:00 2001 From: Alex Griffin Date: Tue, 19 Nov 2019 19:59:32 -0600 Subject: [PATCH] gnu: Add netcat-openbsd. * gnu/packages/admin.scm (netcat-openbsd): New variable. * gnu/packages/patches/netcat-openbsd-broadcast-support.patch, gnu/packages/patches/netcat-openbsd-build-without-TLS-support.patch, gnu/packages/patches/netcat-openbsd-connect-timeout.patch, gnu/packages/patches/netcat-openbsd-dccp-support.patch, gnu/packages/patches/netcat-openbsd-destination-port-list.patch, gnu/packages/patches/netcat-openbsd-get-sev-by-name.patch, gnu/packages/patches/netcat-openbsd-misc-failures-and-features.patch, gnu/packages/patches/netcat-openbsd-port-to-linux-with-libsd.patch, gnu/packages/patches/netcat-openbsd-quit-timer.patch, gnu/packages/patches/netcat-openbsd-send-crlf.patch, gnu/packages/patches/netcat-openbsd-serialized-handling-multiple-clients.patch, gnu/packages/patches/netcat-openbsd-set-TCP-MD5SIG-correctly-for-client-connections.patch, gnu/packages/patches/netcat-openbsd-udp-scan-timeout.patch, gnu/packages/patches/netcat-openbsd-use-flags-to-specify-listen-address.patch: New files. * gnu/local.mk (dist_patch_DATA): Add them. --- gnu/local.mk | 15 + gnu/packages/admin.scm | 72 ++ .../netcat-openbsd-broadcast-support.patch | 89 ++ ...at-openbsd-build-without-TLS-support.patch | 872 ++++++++++++++++++ .../netcat-openbsd-connect-timeout.patch | 126 +++ .../patches/netcat-openbsd-dccp-support.patch | 235 +++++ ...netcat-openbsd-destination-port-list.patch | 191 ++++ .../netcat-openbsd-get-sev-by-name.patch | 28 + ...t-openbsd-misc-failures-and-features.patch | 145 +++ ...cat-openbsd-port-to-linux-with-libsd.patch | 483 ++++++++++ .../patches/netcat-openbsd-quit-timer.patch | 143 +++ .../patches/netcat-openbsd-send-crlf.patch | 192 ++++ ...serialized-handling-multiple-clients.patch | 49 + ...SIG-correctly-for-client-connections.patch | 101 ++ .../netcat-openbsd-udp-scan-timeout.patch | 56 ++ ...-use-flags-to-specify-listen-address.patch | 106 +++ 16 files changed, 2903 insertions(+) create mode 100644 gnu/packages/patches/netcat-openbsd-broadcast-support.patch create mode 100644 gnu/packages/patches/netcat-openbsd-build-without-TLS-support.patch create mode 100644 gnu/packages/patches/netcat-openbsd-connect-timeout.patch create mode 100644 gnu/packages/patches/netcat-openbsd-dccp-support.patch create mode 100644 gnu/packages/patches/netcat-openbsd-destination-port-list.patch create mode 100644 gnu/packages/patches/netcat-openbsd-get-sev-by-name.patch create mode 100644 gnu/packages/patches/netcat-openbsd-misc-failures-and-features.patch create mode 100644 gnu/packages/patches/netcat-openbsd-port-to-linux-with-libsd.patch create mode 100644 gnu/packages/patches/netcat-openbsd-quit-timer.patch create mode 100644 gnu/packages/patches/netcat-openbsd-send-crlf.patch create mode 100644 gnu/packages/patches/netcat-openbsd-serialized-handling-multiple-clients.patch create mode 100644 gnu/packages/patches/netcat-openbsd-set-TCP-MD5SIG-correctly-for-client-connections.patch create mode 100644 gnu/packages/patches/netcat-openbsd-udp-scan-timeout.patch create mode 100644 gnu/packages/patches/netcat-openbsd-use-flags-to-specify-listen-address.patch diff --git a/gnu/local.mk b/gnu/local.mk index 0bc23b92ee..08c280ffe4 100644 --- a/gnu/local.mk +++ b/gnu/local.mk @@ -23,6 +23,7 @@ # Copyright © 2019 Guillaume Le Vaillant # Copyright © 2019 John Soo # Copyright © 2019 Jonathan Brielmaier +# Copyright © 2016, 2017, 2019 Alex Griffin # # This file is part of GNU Guix. # @@ -1154,6 +1155,20 @@ dist_patch_DATA = \ %D%/packages/patches/mupen64plus-video-z64-glew-correct-path.patch \ %D%/packages/patches/mutt-store-references.patch \ %D%/packages/patches/m4-gnulib-libio.patch \ + %D%/packages/patches/netcat-openbsd-broadcast-support.patch \ + %D%/packages/patches/netcat-openbsd-build-without-TLS-support.patch \ + %D%/packages/patches/netcat-openbsd-connect-timeout.patch \ + %D%/packages/patches/netcat-openbsd-dccp-support.patch \ + %D%/packages/patches/netcat-openbsd-destination-port-list.patch \ + %D%/packages/patches/netcat-openbsd-get-sev-by-name.patch \ + %D%/packages/patches/netcat-openbsd-misc-failures-and-features.patch \ + %D%/packages/patches/netcat-openbsd-port-to-linux-with-libsd.patch \ + %D%/packages/patches/netcat-openbsd-quit-timer.patch \ + %D%/packages/patches/netcat-openbsd-send-crlf.patch \ + %D%/packages/patches/netcat-openbsd-serialized-handling-multiple-clients.patch \ + %D%/packages/patches/netcat-openbsd-set-TCP-MD5SIG-correctly-for-client-connections.patch \ + %D%/packages/patches/netcat-openbsd-udp-scan-timeout.patch \ + %D%/packages/patches/netcat-openbsd-use-flags-to-specify-listen-address.patch \ %D%/packages/patches/netcdf-date-time.patch \ %D%/packages/patches/netcdf-tst_h_par.patch \ %D%/packages/patches/netpbm-CVE-2017-2586.patch \ diff --git a/gnu/packages/admin.scm b/gnu/packages/admin.scm index c4723c5a9d..27c48f2688 100644 --- a/gnu/packages/admin.scm +++ b/gnu/packages/admin.scm @@ -27,6 +27,7 @@ ;;; Copyright © 2019 Björn Höfling ;;; Copyright © 2019 Jakob L. Kreuze ;;; Copyright © 2019 Hartmut Goebel +;;; Copyright © 2019 Alex Griffin ;;; ;;; This file is part of GNU Guix. ;;; @@ -67,6 +68,7 @@ #:use-module (gnu packages file) #:use-module (gnu packages ncurses) #:use-module (gnu packages readline) + #:use-module (gnu packages libbsd) #:use-module (gnu packages linux) #:use-module (gnu packages lua) #:use-module (gnu packages guile) @@ -620,6 +622,76 @@ and exploration tool, since it can create almost any kind of connection you would need and has several interesting built-in capabilities.") (license license:gpl2+))) +(define-public netcat-openbsd + (package + (name "netcat-openbsd") + (version "1.203") + (source (origin + (method url-fetch) + (uri (string-append "https://deb.debian.org/debian/pool/main/n/" + "netcat-openbsd/netcat-openbsd_" version + ".orig.tar.gz")) + (sha256 + (base32 + "0gqaflzpg3fwxdrkk75wjsq72s76gcaj39whh887inl82ngkj9dh")) + (patches (search-patches + "netcat-openbsd-port-to-linux-with-libsd.patch" + "netcat-openbsd-build-without-TLS-support.patch" + "netcat-openbsd-connect-timeout.patch" + "netcat-openbsd-get-sev-by-name.patch" + "netcat-openbsd-send-crlf.patch" + "netcat-openbsd-quit-timer.patch" + "netcat-openbsd-udp-scan-timeout.patch" + "netcat-openbsd-dccp-support.patch" + "netcat-openbsd-broadcast-support.patch" + "netcat-openbsd-serialized-handling-multiple-clients.patch" + "netcat-openbsd-set-TCP-MD5SIG-correctly-for-client-connections.patch" + "netcat-openbsd-destination-port-list.patch" + "netcat-openbsd-use-flags-to-specify-listen-address.patch" + "netcat-openbsd-misc-failures-and-features.patch")))) + (build-system gnu-build-system) + (arguments + `(#:tests? #f ; no test suite + #:make-flags + (list "CC=gcc" + (string-append "PREFIX=" (assoc-ref %outputs "out")) + (string-append "CFLAGS=-I" (assoc-ref %build-inputs "libbsd") "/include") + "LDFLAGS=-lbsd") + #:phases + (modify-phases %standard-phases + (delete 'configure) + (replace 'install + (lambda* (#:key outputs #:allow-other-keys) + (let* ((out (assoc-ref outputs "out")) + (bin (string-append out "/bin")) + (doc (string-append out "/share/doc/netcat-openbsd-" ,version)) + (man (string-append out "/share/man/man1"))) + (install-file "nc" bin) + (install-file "nc.1" man) + (mkdir-p doc) + ;; Extract license information from netcat.c + (invoke "sed" "-n" + (string-append "3,27 s/^ \\* \\?//w" + doc "/LICENSE") + "netcat.c"))))))) + (inputs `(("libbsd" ,libbsd))) + (native-inputs `(("sed" ,sed) + ("pkg-config" ,pkg-config))) + (home-page "https://packages.debian.org/sid/netcat-openbsd") + (synopsis "TCP/IP swiss army knife") + (description + "A simple Unix utility which reads and writes data across network +connections using TCP or UDP protocol. It is designed to be a reliable +\"back-end\" tool that can be used directly or easily driven by other programs +and scripts. At the same time it is a feature-rich network debugging and +exploration tool, since it can create almost any kind of connection you would +need and has several interesting built-in capabilities. + +This package contains the OpenBSD rewrite of netcat, including support for +IPv6, proxies, and Unix sockets.") + (license (list license:bsd-3 + license:bsd-2)))) ; atomicio.*, socks.c + (define-public sipcalc (package (name "sipcalc") diff --git a/gnu/packages/patches/netcat-openbsd-broadcast-support.patch b/gnu/packages/patches/netcat-openbsd-broadcast-support.patch new file mode 100644 index 0000000000..6fe7bfc0f4 --- /dev/null +++ b/gnu/packages/patches/netcat-openbsd-broadcast-support.patch @@ -0,0 +1,89 @@ +From: Aron Xu +Date: Mon, 13 Feb 2012 19:06:52 +0800 +Subject: broadcast support + +--- + nc.1 | 4 +++- + netcat.c | 22 ++++++++++++++++++++-- + 2 files changed, 23 insertions(+), 3 deletions(-) + +--- a/nc.1 ++++ b/nc.1 +@@ -33,7 +33,7 @@ + .Nd arbitrary TCP and UDP connections and listens + .Sh SYNOPSIS + .Nm nc +-.Op Fl 46CDdFhklNnrStUuvZz ++.Op Fl 46bCDdFhklNnrStUuvZz + .Op Fl I Ar length + .Op Fl i Ar interval + .Op Fl M Ar ttl +@@ -93,6 +93,8 @@ The options are as follows: + Use IPv4 addresses only. + .It Fl 6 + Use IPv6 addresses only. ++.It Fl b ++Allow broadcast. + .It Fl C + Send CRLF as line-ending. Each line feed (LF) character from the input + data is translated into CR+LF before being written to the socket. Line +--- a/netcat.c ++++ b/netcat.c +@@ -132,6 +132,7 @@ + #define UDP_SCAN_TIMEOUT 3 /* Seconds */ + + /* Command Line Options */ ++int bflag; /* Allow Broadcast */ + int dflag; /* detached, no stdin */ + int Fflag; /* fdpass sock to stdout */ + unsigned int iflag; /* Interval Flag */ +@@ -263,9 +264,9 @@ main(int argc, char *argv[]) + + while ((ch = getopt(argc, argv, + # if defined(TLS) +- "46C:cDde:FH:hI:i:K:klM:m:NnO:o:P:p:q:R:rSs:T:tUuV:vW:w:X:x:Z:z")) ++ "46bC:cDde:FH:hI:i:K:klM:m:NnO:o:P:p:q:R:rSs:T:tUuV:vW:w:X:x:Z:z")) + # else +- "46CDdFhI:i:klM:m:NnO:P:p:q:rSs:T:tUuV:vW:w:X:x:Zz")) ++ "46bCDdFhI:i:klM:m:NnO:P:p:q:rSs:T:tUuV:vW:w:X:x:Zz")) + # endif + != -1) { + switch (ch) { +@@ -275,6 +276,13 @@ main(int argc, char *argv[]) + case '6': + family = AF_INET6; + break; ++ case 'b': ++# if defined(SO_BROADCAST) ++ bflag = 1; ++# else ++ errx(1, "no broadcast frame support available"); ++# endif ++ break; + case 'U': + family = AF_UNIX; + break; +@@ -1852,6 +1860,15 @@ set_common_sockopts(int s, int af) + { + int x = 1; + ++# if defined(SO_BROADCAST) ++ if (bflag) { ++ /* allow datagram sockets to send packets to a broadcast address ++ * (this option has no effect on stream-oriented sockets) */ ++ if (setsockopt(s, SOL_SOCKET, SO_BROADCAST, ++ &x, sizeof(x)) == -1) ++ err(1, NULL); ++ } ++# endif + # if defined(TCP_MD5SIG) + if (Sflag) { + if (setsockopt(s, IPPROTO_TCP, TCP_MD5SIG, +@@ -2127,6 +2144,7 @@ help(void) + fprintf(stderr, "\tCommand Summary:\n\ + \t-4 Use IPv4\n\ + \t-6 Use IPv6\n\ ++ \t-b Allow broadcast\n\ + \t-C Send CRLF as line-ending\n\ + \t-D Enable the debug socket option\n\ + \t-d Detach from stdin\n\ diff --git a/gnu/packages/patches/netcat-openbsd-build-without-TLS-support.patch b/gnu/packages/patches/netcat-openbsd-build-without-TLS-support.patch new file mode 100644 index 0000000000..d77833899f --- /dev/null +++ b/gnu/packages/patches/netcat-openbsd-build-without-TLS-support.patch @@ -0,0 +1,872 @@ +From: Guilhem Moulin +Date: Fri, 09 Jun 2017 13:21:23 +0200 +Subject: build without TLS support + +tls.h isn't available in libsd-dev, and TLS supports adds options (-C, -Z) +that are already used by our Debian-specific patches. + +--- + Makefile | 2 + nc.1 | 114 ++--------------------------------------- + netcat.c | 172 +++++++++++++++++++++++++++++++++++++++++++++++++++++---------- + 3 files changed, 153 insertions(+), 135 deletions(-) + +--- a/Makefile ++++ b/Makefile +@@ -2,8 +2,6 @@ + + PROG= nc + SRCS= netcat.c atomicio.c socks.c +-LDADD+= -ltls -lssl -lcrypto +-DPADD+= ${LIBTLS} ${LIBSSL} ${LIBCRYPTO} + + LIBS= `pkg-config --libs libbsd` -lresolv + OBJS= $(SRCS:.c=.o) +--- a/nc.1 ++++ b/nc.1 +@@ -33,20 +33,14 @@ + .Nd arbitrary TCP and UDP connections and listens + .Sh SYNOPSIS + .Nm nc +-.Op Fl 46cDdFhklNnrStUuvz +-.Op Fl C Ar certfile +-.Op Fl e Ar name +-.Op Fl H Ar hash ++.Op Fl 46DdFhklNnrStUuvz + .Op Fl I Ar length + .Op Fl i Ar interval +-.Op Fl K Ar keyfile + .Op Fl M Ar ttl + .Op Fl m Ar minttl + .Op Fl O Ar length +-.Op Fl o Ar staplefile + .Op Fl P Ar proxy_username + .Op Fl p Ar source_port +-.Op Fl R Ar CAfile + .Op Fl s Ar source + .Op Fl T Ar keyword + .Op Fl V Ar rtable +@@ -54,7 +48,6 @@ + .Op Fl w Ar timeout + .Op Fl X Ar proxy_protocol + .Op Fl x Ar proxy_address Ns Op : Ns Ar port +-.Op Fl Z Ar peercertfile + .Op Ar destination + .Op Ar port + .Sh DESCRIPTION +@@ -99,28 +92,10 @@ The options are as follows: + Use IPv4 addresses only. + .It Fl 6 + Use IPv6 addresses only. +-.It Fl C Ar certfile +-Load the public key part of the TLS peer certificate from +-.Ar certfile , +-in PEM format. +-Requires +-.Fl c . +-.It Fl c +-Use TLS to connect or listen. +-Cannot be used together with any of the options +-.Fl FuU . + .It Fl D + Enable debugging on the socket. + .It Fl d + Do not attempt to read from stdin. +-.It Fl e Ar name +-Only accept the TLS peer certificate if it contains the +-.Ar name . +-Requires +-.Fl c . +-If not specified, +-.Ar destination +-is used. + .It Fl F + Pass the first connected socket using + .Xr sendmsg 2 +@@ -137,18 +112,7 @@ using the + .Cm ProxyUseFdpass + option). + Cannot be used with +-.Fl c +-or + .Fl U . +-.It Fl H Ar hash +-Only accept the TLS peer certificate if its hash returned from +-.Xr tls_peer_cert_hash 3 +-matches +-.Ar hash . +-Requires +-.Fl c +-and cannot be used with +-.Fl T Cm noverify . + .It Fl h + Print out the + .Nm +@@ -160,12 +124,6 @@ Sleep for + .Ar interval + seconds between lines of text sent and received. + Also causes a delay time between connections to multiple ports. +-.It Fl K Ar keyfile +-Load the TLS private key from +-.Ar keyfile , +-in PEM format. +-Requires +-.Fl c . + .It Fl k + When a connection is completed, listen for another one. + Requires +@@ -196,15 +154,6 @@ Do not do any DNS or service lookups on + hostnames or ports. + .It Fl O Ar length + Specify the size of the TCP send buffer. +-.It Fl o Ar staplefile +-During the TLS handshake, load data to be stapled from +-.Ar staplefile , +-which is expected to contain an OCSP response from an OCSP server in +-DER format. +-Requires +-.Fl c +-and +-.Fl C . + .It Fl P Ar proxy_username + Specifies a username to present to a proxy server that requires authentication. + If no username is specified then authentication will not be attempted. +@@ -213,13 +162,6 @@ Proxy authentication is only supported f + Specify the source port + .Nm + should use, subject to privilege restrictions and availability. +-.It Fl R Ar CAfile +-Load the root CA bundle for TLS certificate verification from +-.Ar CAfile , +-in PEM format, instead of +-.Pa /etc/ssl/cert.pem . +-Requires +-.Fl c . + .It Fl r + Choose source and/or destination ports randomly + instead of sequentially within a range or in the order that the system +@@ -239,35 +181,7 @@ Cannot be used together with + or + .Fl x . + .It Fl T Ar keyword +-Change the IPv4 TOS/IPv6 traffic class value or the TLS options. +-.Pp +-For TLS options, +-.Ar keyword +-may be one of: +-.Cm noverify , +-which disables certificate verification; +-.Cm noname , +-which disables certificate name checking; +-.Cm clientcert , +-which requires a client certificate on incoming connections; or +-.Cm muststaple , +-which requires the peer to provide a valid stapled OCSP response +-with the handshake. +-The following TLS options specify a value in the form of a +-.Ar key Ns = Ns Ar value +-pair: +-.Cm ciphers , +-which allows the supported TLS ciphers to be specified (see +-.Xr tls_config_set_ciphers 3 +-for further details); +-.Cm protocols , +-which allows the supported TLS protocols to be specified (see +-.Xr tls_config_parse_protocols 3 +-for further details). +-Specifying TLS options requires +-.Fl c . +-.Pp +-For the IPv4 TOS/IPv6 traffic class value, ++Change the IPv4 TOS/IPv6 traffic class value. + .Ar keyword + may be one of + .Cm critical , +@@ -291,13 +205,13 @@ to script telnet sessions. + Use + .Ux Ns -domain + sockets. +-Cannot be used together with any of the options +-.Fl cFx . ++Cannot be used together with ++.Fl F ++or ++.Fl x . + .It Fl u + Use UDP instead of TCP. + Cannot be used together with +-.Fl c +-or + .Fl x . + For + .Ux Ns -domain +@@ -360,12 +274,6 @@ An IPv6 address can be specified unambig + in square brackets. + A proxy cannot be used with any of the options + .Fl lsuU . +-.It Fl Z Ar peercertfile +-Save the peer certificates to +-.Ar peercertfile , +-in PEM format. +-Requires +-.Fl c . + .It Fl z + Only scan for listening daemons, without sending any data to them. + Cannot be used together with +@@ -519,16 +427,6 @@ the source port, with a timeout of 5 sec + .Pp + .Dl $ nc -p 31337 -w 5 host.example.com 42 + .Pp +-Open a TCP connection to port 443 of www.example.com, and negotiate TLS with +-any supported TLS protocol version and "compat" ciphers: +-.Pp +-.Dl $ nc -cv -T protocols=all -T ciphers=compat www.example.com 443 +-.Pp +-Open a TCP connection to port 443 of www.google.ca, and negotiate TLS. +-Check for a different name in the certificate for validation: +-.Pp +-.Dl $ nc -cv -e adsf.au.doubleclick.net www.google.ca 443 +-.Pp + Open a UDP connection to port 53 of host.example.com: + .Pp + .Dl $ nc -u host.example.com 53 +--- a/netcat.c ++++ b/netcat.c +@@ -99,7 +99,9 @@ + #include + #include + #include +-#include ++#ifdef TLS ++# include ++#endif + #include + #include + #include +@@ -115,10 +117,12 @@ + #define POLL_STDOUT 3 + #define BUFSIZE 16384 + +-#define TLS_NOVERIFY (1 << 1) +-#define TLS_NONAME (1 << 2) +-#define TLS_CCERT (1 << 3) +-#define TLS_MUSTSTAPLE (1 << 4) ++#ifdef TLS ++# define TLS_NOVERIFY (1 << 1) ++# define TLS_NONAME (1 << 2) ++# define TLS_CCERT (1 << 3) ++# define TLS_MUSTSTAPLE (1 << 4) ++#endif + + /* Command Line Options */ + int dflag; /* detached, no stdin */ +@@ -144,6 +148,7 @@ int Sflag; /* TCP MD5 signature opti + int Tflag = -1; /* IP Type of Service */ + int rtableid = -1; + ++# if defined(TLS) + int usetls; /* use TLS */ + const char *Cflag; /* Public cert file */ + const char *Kflag; /* Private key file */ +@@ -156,6 +161,7 @@ char *tls_expecthash; /* required hash + char *tls_ciphers; /* TLS ciphers */ + char *tls_protocols; /* TLS protocols */ + FILE *Zflag; /* file to save peer cert */ ++# endif + + int recvcount, recvlimit; + int timeout = -1; +@@ -170,10 +176,16 @@ int strtoport(char *portstr, int udp); + void build_ports(char *); + void help(void) __attribute__((noreturn)); + int local_listen(const char *, const char *, struct addrinfo); ++# if defined(TLS) + void readwrite(int, struct tls *); ++# else ++void readwrite(int); ++# endif + void fdpass(int nfd) __attribute__((noreturn)); + int remote_connect(const char *, const char *, struct addrinfo); ++# if defined(TLS) + int timeout_tls(int, struct tls *, int (*)(struct tls *)); ++# endif + int timeout_connect(int, const struct sockaddr *, socklen_t); + int socks_connect(const char *, const char *, struct addrinfo, + const char *, const char *, struct addrinfo, int, const char *); +@@ -183,15 +195,24 @@ int unix_connect(char *); + int unix_listen(char *); + void set_common_sockopts(int, int); + int process_tos_opt(char *, int *); ++# if defined(TLS) + int process_tls_opt(char *, int *); + void save_peer_cert(struct tls *_tls_ctx, FILE *_fp); ++# endif + void report_sock(const char *, const struct sockaddr *, socklen_t, char *); ++# if defined(TLS) + void report_tls(struct tls *tls_ctx, char * host); ++# endif + void usage(int); ++# if defined(TLS) + ssize_t drainbuf(int, unsigned char *, size_t *, struct tls *); + ssize_t fillbuf(int, unsigned char *, size_t *, struct tls *); + void tls_setup_client(struct tls *, int, char *); + struct tls *tls_setup_server(struct tls *, int, char *); ++# else ++ssize_t drainbuf(int, unsigned char *, size_t *); ++ssize_t fillbuf(int, unsigned char *, size_t *); ++# endif + + int + main(int argc, char *argv[]) +@@ -206,8 +227,10 @@ main(int argc, char *argv[]) + const char *errstr; + struct addrinfo proxyhints; + char unix_dg_tmp_socket_buf[UNIX_DG_TMP_SOCKET_SIZE]; ++# if defined(TLS) + struct tls_config *tls_cfg = NULL; + struct tls *tls_ctx = NULL; ++# endif + uint32_t protocols; + + ret = 1; +@@ -215,12 +238,18 @@ main(int argc, char *argv[]) + host = NULL; + uport = NULL; + sv = NULL; ++# if defined(TLS) + Rflag = tls_default_ca_cert_file(); ++# endif + + signal(SIGPIPE, SIG_IGN); + + while ((ch = getopt(argc, argv, ++# if defined(TLS) + "46C:cDde:FH:hI:i:K:klM:m:NnO:o:P:p:R:rSs:T:tUuV:vW:w:X:x:Z:z")) ++# else ++ "46DdFhI:i:klM:m:NnO:P:p:rSs:T:tUuV:vW:w:X:x:z")) ++# endif + != -1) { + switch (ch) { + case '4': +@@ -242,24 +271,30 @@ main(int argc, char *argv[]) + else + errx(1, "unsupported proxy protocol"); + break; ++# if defined(TLS) + case 'C': + Cflag = optarg; + break; + case 'c': + usetls = 1; + break; ++# endif + case 'd': + dflag = 1; + break; ++# if defined(TLS) + case 'e': + tls_expectname = optarg; + break; ++# endif + case 'F': + Fflag = 1; + break; ++# if defined(TLS) + case 'H': + tls_expecthash = optarg; + break; ++# endif + case 'h': + help(); + break; +@@ -268,9 +303,11 @@ main(int argc, char *argv[]) + if (errstr) + errx(1, "interval %s: %s", errstr, optarg); + break; ++# if defined(TLS) + case 'K': + Kflag = optarg; + break; ++# endif + case 'k': + kflag = 1; + break; +@@ -299,10 +336,12 @@ main(int argc, char *argv[]) + case 'p': + pflag = optarg; + break; ++# if defined(TLS) + case 'R': + tls_cachanged = 1; + Rflag = optarg; + break; ++# endif + case 'r': + rflag = 1; + break; +@@ -344,12 +383,14 @@ main(int argc, char *argv[]) + if ((proxy = strdup(optarg)) == NULL) + err(1, NULL); + break; ++# if defined(TLS) + case 'Z': + if (strcmp(optarg, "-") == 0) + Zflag = stderr; + else if ((Zflag = fopen(optarg, "w")) == NULL) + err(1, "can't open %s", optarg); + break; ++# endif + case 'z': + zflag = 1; + break; +@@ -368,9 +409,11 @@ main(int argc, char *argv[]) + errx(1, "TCP send window %s: %s", + errstr, optarg); + break; ++# if defined(TLS) + case 'o': + oflag = optarg; + break; ++# endif + case 'S': + # if defined(TCP_MD5SIG) + Sflag = 1; +@@ -381,8 +424,10 @@ main(int argc, char *argv[]) + case 'T': + errstr = NULL; + errno = 0; ++# if defined(TLS) + if (process_tls_opt(optarg, &TLSopt)) + break; ++# endif + if (process_tos_opt(optarg, &Tflag)) + break; + if (strlen(optarg) > 1 && optarg[0] == '0' && +@@ -392,7 +437,11 @@ main(int argc, char *argv[]) + Tflag = (int)strtonum(optarg, 0, 255, + &errstr); + if (Tflag < 0 || Tflag > 255 || errstr || errno) ++# if defined(TLS) + errx(1, "illegal tos/tls value %s", optarg); ++# else ++ errx(1, "illegal tos value %s", optarg); ++# endif + break; + default: + usage(1); +@@ -429,6 +478,7 @@ main(int argc, char *argv[]) + } else + usage(1); + ++# if defined(TLS) + if (usetls) { + if (Cflag && unveil(Cflag, "r") == -1) + err(1, "unveil"); +@@ -451,15 +501,19 @@ main(int argc, char *argv[]) + err(1, "unveil"); + } + } ++# endif + + if (!lflag && kflag) + errx(1, "must use -l with -k"); ++# if defined(TLS) + if (uflag && usetls) + errx(1, "cannot use -c and -u"); + if ((family == AF_UNIX) && usetls) + errx(1, "cannot use -c and -U"); ++# endif + if ((family == AF_UNIX) && Fflag) + errx(1, "cannot use -F and -U"); ++# if defined(TLS) + if (Fflag && usetls) + errx(1, "cannot use -c and -F"); + if (TLSopt && !usetls) +@@ -478,6 +532,7 @@ main(int argc, char *argv[]) + errx(1, "you must specify -c to use -H"); + if (tls_expectname && !usetls) + errx(1, "you must specify -c to use -e"); ++# endif + + /* Get name of temporary socket for unix datagram client */ + if ((family == AF_UNIX) && uflag && !lflag) { +@@ -544,6 +599,7 @@ main(int argc, char *argv[]) + proxyhints.ai_flags |= AI_NUMERICHOST; + } + ++# if defined(TLS) + if (usetls) { + if ((tls_cfg = tls_config_new()) == NULL) + errx(1, "unable to allocate TLS config"); +@@ -579,7 +635,8 @@ main(int argc, char *argv[]) + err(1, "pledge"); + } else if (pledge("stdio inet dns", NULL) == -1) + err(1, "pledge"); +- } ++ } ++# endif + if (lflag) { + ret = 0; + +@@ -590,6 +647,7 @@ main(int argc, char *argv[]) + s = unix_listen(host); + } + ++# if defined(TLS) + if (usetls) { + tls_config_verify_client_optional(tls_cfg); + if ((tls_ctx = tls_server()) == NULL) +@@ -598,6 +656,7 @@ main(int argc, char *argv[]) + errx(1, "tls configuration failed (%s)", + tls_error(tls_ctx)); + } ++# endif + /* Allow only one connection at a time, but stay alive. */ + for (;;) { + if (family != AF_UNIX) { +@@ -613,7 +672,11 @@ main(int argc, char *argv[]) + * let it receive datagrams from multiple + * socket pairs. + */ ++# if defined(TLS) + readwrite(s, NULL); ++# else ++ readwrite(s); ++# endif + } else if (uflag && !kflag) { + /* + * For UDP and not -k, we will use recvfrom() +@@ -638,9 +701,14 @@ main(int argc, char *argv[]) + report_sock("Connection received", + (struct sockaddr *)&z, len, NULL); + ++# if defined(TLS) + readwrite(s, NULL); + } else { + struct tls *tls_cctx = NULL; ++# else ++ readwrite(s); ++ } else { ++# endif + int connfd; + + len = sizeof(cliaddr); +@@ -654,6 +722,7 @@ main(int argc, char *argv[]) + report_sock("Connection received", + (struct sockaddr *)&cliaddr, len, + family == AF_UNIX ? host : NULL); ++# if defined(TLS) + if ((usetls) && + (tls_cctx = tls_setup_server(tls_ctx, connfd, host))) + readwrite(connfd, tls_cctx); +@@ -663,6 +732,10 @@ main(int argc, char *argv[]) + timeout_tls(s, tls_cctx, tls_close); + close(connfd); + tls_free(tls_cctx); ++# else ++ readwrite(connfd); ++ close(connfd); ++# endif + } + if (family == AF_UNIX && uflag) { + if (connect(s, NULL, 0) < 0) +@@ -677,7 +750,11 @@ main(int argc, char *argv[]) + + if ((s = unix_connect(host)) > 0) { + if (!zflag) ++# if defined(TLS) + readwrite(s, NULL); ++# else ++ readwrite(s); ++# endif + close(s); + } else { + warn("%s", host); +@@ -698,6 +775,7 @@ main(int argc, char *argv[]) + for (s = -1, i = 0; portlist[i] != NULL; i++) { + if (s != -1) + close(s); ++# if defined(TLS) + tls_free(tls_ctx); + tls_ctx = NULL; + +@@ -708,6 +786,7 @@ main(int argc, char *argv[]) + errx(1, "tls configuration failed (%s)", + tls_error(tls_ctx)); + } ++# endif + if (xflag) + s = socks_connect(host, portlist[i], hints, + proxy, proxyport, proxyhints, socksv, +@@ -745,6 +824,7 @@ main(int argc, char *argv[]) + } + if (Fflag) + fdpass(s); ++# if defined(TLS) + else { + if (usetls) + tls_setup_client(tls_ctx, s, host); +@@ -753,13 +833,19 @@ main(int argc, char *argv[]) + if (tls_ctx) + timeout_tls(s, tls_ctx, tls_close); + } ++# else ++ else if (!zflag) ++ readwrite(s); ++# endif + } + } + + if (s != -1) + close(s); ++# if defined(TLS) + tls_free(tls_ctx); + tls_config_free(tls_cfg); ++# endif + + return ret; + } +@@ -801,6 +887,7 @@ unix_bind(char *path, int flags) + return s; + } + ++# if defined(TLS) + int + timeout_tls(int s, struct tls *tls_ctx, int (*func)(struct tls *)) + { +@@ -887,6 +974,7 @@ tls_setup_server(struct tls *tls_ctx, in + } + return NULL; + } ++# endif + + /* + * unix_connect() +@@ -1112,7 +1200,11 @@ local_listen(const char *host, const cha + * Loop that polls on the network file descriptor and stdin. + */ + void ++# if defined(TLS) + readwrite(int net_fd, struct tls *tls_ctx) ++# else ++readwrite(int net_fd) ++# endif + { + struct pollfd pfd[4]; + int stdin_fd = STDIN_FILENO; +@@ -1212,12 +1304,17 @@ readwrite(int net_fd, struct tls *tls_ct + /* try to read from stdin */ + if (pfd[POLL_STDIN].revents & POLLIN && stdinbufpos < BUFSIZE) { + ret = fillbuf(pfd[POLL_STDIN].fd, stdinbuf, ++# if defined(TLS) + &stdinbufpos, NULL); + if (ret == TLS_WANT_POLLIN) + pfd[POLL_STDIN].events = POLLIN; + else if (ret == TLS_WANT_POLLOUT) + pfd[POLL_STDIN].events = POLLOUT; +- else if (ret == 0 || ret == -1) ++ else ++# else ++ &stdinbufpos); ++# endif ++ if (ret == 0 || ret == -1) + pfd[POLL_STDIN].fd = -1; + /* read something - poll net out */ + if (stdinbufpos > 0) +@@ -1229,12 +1326,17 @@ readwrite(int net_fd, struct tls *tls_ct + /* try to write to network */ + if (pfd[POLL_NETOUT].revents & POLLOUT && stdinbufpos > 0) { + ret = drainbuf(pfd[POLL_NETOUT].fd, stdinbuf, ++# if defined(TLS) + &stdinbufpos, tls_ctx); + if (ret == TLS_WANT_POLLIN) + pfd[POLL_NETOUT].events = POLLIN; + else if (ret == TLS_WANT_POLLOUT) + pfd[POLL_NETOUT].events = POLLOUT; +- else if (ret == -1) ++ else ++# else ++ &stdinbufpos); ++# endif ++ if (ret == -1) + pfd[POLL_NETOUT].fd = -1; + /* buffer empty - remove self from polling */ + if (stdinbufpos == 0) +@@ -1246,12 +1348,17 @@ readwrite(int net_fd, struct tls *tls_ct + /* try to read from network */ + if (pfd[POLL_NETIN].revents & POLLIN && netinbufpos < BUFSIZE) { + ret = fillbuf(pfd[POLL_NETIN].fd, netinbuf, ++# if defined(TLS) + &netinbufpos, tls_ctx); + if (ret == TLS_WANT_POLLIN) + pfd[POLL_NETIN].events = POLLIN; + else if (ret == TLS_WANT_POLLOUT) + pfd[POLL_NETIN].events = POLLOUT; +- else if (ret == -1) ++ else ++# else ++ &netinbufpos); ++# endif ++ if (ret == -1) + pfd[POLL_NETIN].fd = -1; + /* eof on net in - remove from pfd */ + if (ret == 0) { +@@ -1278,12 +1385,17 @@ readwrite(int net_fd, struct tls *tls_ct + /* try to write to stdout */ + if (pfd[POLL_STDOUT].revents & POLLOUT && netinbufpos > 0) { + ret = drainbuf(pfd[POLL_STDOUT].fd, netinbuf, ++# if defined(TLS) + &netinbufpos, NULL); + if (ret == TLS_WANT_POLLIN) + pfd[POLL_STDOUT].events = POLLIN; + else if (ret == TLS_WANT_POLLOUT) + pfd[POLL_STDOUT].events = POLLOUT; +- else if (ret == -1) ++ else ++# else ++ &netinbufpos); ++# endif ++ if (ret == -1) + pfd[POLL_STDOUT].fd = -1; + /* buffer empty - remove self from polling */ + if (netinbufpos == 0) +@@ -1307,21 +1419,31 @@ readwrite(int net_fd, struct tls *tls_ct + } + + ssize_t ++# if defined(TLS) + drainbuf(int fd, unsigned char *buf, size_t *bufpos, struct tls *tls) ++# else ++drainbuf(int fd, unsigned char *buf, size_t *bufpos) ++# endif + { + ssize_t n; + ssize_t adjust; + ++# if defined(TLS) + if (tls) { + n = tls_write(tls, buf, *bufpos); + if (n == -1) + errx(1, "tls write failed (%s)", tls_error(tls)); + } else { ++# endif + n = write(fd, buf, *bufpos); + /* don't treat EAGAIN, EINTR as error */ + if (n == -1 && (errno == EAGAIN || errno == EINTR)) ++# if defined(TLS) + n = TLS_WANT_POLLOUT; + } ++# else ++ n = -2; ++# endif + if (n <= 0) + return n; + /* adjust buffer */ +@@ -1333,21 +1455,31 @@ drainbuf(int fd, unsigned char *buf, siz + } + + ssize_t ++# if defined(TLS) + fillbuf(int fd, unsigned char *buf, size_t *bufpos, struct tls *tls) ++# else ++fillbuf(int fd, unsigned char *buf, size_t *bufpos) ++# endif + { + size_t num = BUFSIZE - *bufpos; + ssize_t n; + ++# if defined(TLS) + if (tls) { + n = tls_read(tls, buf + *bufpos, num); + if (n == -1) + errx(1, "tls read failed (%s)", tls_error(tls)); + } else { ++# endif + n = read(fd, buf + *bufpos, num); + /* don't treat EAGAIN, EINTR as error */ + if (n == -1 && (errno == EAGAIN || errno == EINTR)) ++# if defined(TLS) + n = TLS_WANT_POLLIN; + } ++# else ++ n = -2; ++# endif + if (n <= 0) + return n; + *bufpos += n; +@@ -1665,6 +1797,7 @@ process_tos_opt(char *s, int *val) + return 0; + } + ++# if defined(TLS) + int + process_tls_opt(char *s, int *flags) + { +@@ -1778,6 +1911,7 @@ report_tls(struct tls * tls_ctx, char * + + } + } ++# endif + + void + report_sock(const char *msg, const struct sockaddr *sa, socklen_t salen, +@@ -1816,17 +1950,12 @@ help(void) + fprintf(stderr, "\tCommand Summary:\n\ + \t-4 Use IPv4\n\ + \t-6 Use IPv6\n\ +- \t-C certfile Public key file\n\ +- \t-c Use TLS\n\ + \t-D Enable the debug socket option\n\ + \t-d Detach from stdin\n\ +- \t-e name\t Required name in peer certificate\n\ + \t-F Pass socket fd\n\ +- \t-H hash\t Hash string of peer certificate\n\ + \t-h This help text\n\ + \t-I length TCP receive buffer length\n\ + \t-i interval Delay interval for lines sent, ports scanned\n\ +- \t-K keyfile Private key file\n\ + \t-k Keep inbound sockets open for multiple connects\n\ + \t-l Listen mode, for inbound connects\n\ + \t-M ttl Outgoing TTL / Hop Limit\n\ +@@ -1834,14 +1963,12 @@ help(void) + \t-N Shutdown the network socket after EOF on stdin\n\ + \t-n Suppress name/port resolutions\n\ + \t-O length TCP send buffer length\n\ +- \t-o staplefile Staple file\n\ + \t-P proxyuser\tUsername for proxy authentication\n\ + \t-p port\t Specify local port for remote connects\n\ +- \t-R CAfile CA bundle\n\ + \t-r Randomize remote ports\n\ + \t-S Enable the TCP MD5 signature option\n\ + \t-s source Local source address\n\ +- \t-T keyword TOS value or TLS options\n\ ++ \t-T keyword TOS value\n\ + \t-t Answer TELNET negotiation\n\ + \t-U Use UNIX domain socket\n\ + \t-u UDP mode\n\ +@@ -1851,7 +1978,6 @@ help(void) + \t-w timeout Timeout for connects and final net reads\n\ + \t-X proto Proxy protocol: \"4\", \"5\" (SOCKS) or \"connect\"\n\ + \t-x addr[:port]\tSpecify proxy address and port\n\ +- \t-Z Peer certificate file\n\ + \t-z Zero-I/O mode [used for scanning]\n\ + Port numbers can be individual or ranges: lo-hi [inclusive]\n"); + exit(0); +@@ -1861,15 +1987,11 @@ void + usage(int ret) + { + fprintf(stderr, +- "usage: nc [-46cDdFhklNnrStUuvz] [-C certfile] [-e name] " +- "[-H hash] [-I length]\n" +- "\t [-i interval] [-K keyfile] [-M ttl] [-m minttl] [-O length]\n" +- "\t [-o staplefile] [-P proxy_username] [-p source_port] " +- "[-R CAfile]\n" ++ "usage: nc [-46DdFhklNnrStUuvz] [-I length] [-i interval] [-M ttl]\n" ++ "\t [-m minttl] [-O length] [-P proxy_username] [-p source_port]\n" + "\t [-s source] [-T keyword] [-V rtable] [-W recvlimit] " + "[-w timeout]\n" + "\t [-X proxy_protocol] [-x proxy_address[:port]] " +- "[-Z peercertfile]\n" + "\t [destination] [port]\n"); + if (ret) + exit(1); diff --git a/gnu/packages/patches/netcat-openbsd-connect-timeout.patch b/gnu/packages/patches/netcat-openbsd-connect-timeout.patch new file mode 100644 index 0000000000..ae628c4495 --- /dev/null +++ b/gnu/packages/patches/netcat-openbsd-connect-timeout.patch @@ -0,0 +1,126 @@ +From: Aron Xu +Date: Mon, 13 Feb 2012 14:43:56 +0800 +Subject: connect timeout + +--- + netcat.c | 78 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-- + 1 file changed, 76 insertions(+), 2 deletions(-) + +--- a/netcat.c ++++ b/netcat.c +@@ -90,6 +90,7 @@ + #include + #include + #include ++#include + #include + #include + #include +@@ -124,6 +125,10 @@ + # define TLS_MUSTSTAPLE (1 << 4) + #endif + ++#define CONNECTION_SUCCESS 0 ++#define CONNECTION_FAILED 1 ++#define CONNECTION_TIMEOUT 2 ++ + /* Command Line Options */ + int dflag; /* detached, no stdin */ + int Fflag; /* fdpass sock to stdout */ +@@ -214,6 +219,9 @@ ssize_t drainbuf(int, unsigned char *, s + ssize_t fillbuf(int, unsigned char *, size_t *); + # endif + ++static int connect_with_timeout(int fd, const struct sockaddr *sa, ++ socklen_t salen, int ctimeout); ++ + int + main(int argc, char *argv[]) + { +@@ -1078,11 +1086,14 @@ remote_connect(const char *host, const c + + set_common_sockopts(s, res->ai_family); + +- if (timeout_connect(s, res->ai_addr, res->ai_addrlen) == 0) ++ if ((error = connect_with_timeout(s, res->ai_addr, res->ai_addrlen, timeout)) == CONNECTION_SUCCESS) + break; +- if (vflag) ++ if (vflag && error == CONNECTION_FAILED) + warn("connect to %s port %s (%s) failed", host, port, + uflag ? "udp" : "tcp"); ++ else if (vflag && error == CONNECTION_TIMEOUT) ++ warn("connect to %s port %s (%s) timed out", host, port, ++ uflag ? "udp" : "tcp"); + + save_errno = errno; + close(s); +@@ -1123,6 +1134,69 @@ timeout_connect(int s, const struct sock + return ret; + } + ++static int connect_with_timeout(int fd, const struct sockaddr *sa, ++ socklen_t salen, int ctimeout) ++{ ++ int err; ++ struct timeval tv, *tvp = NULL; ++ fd_set connect_fdset; ++ socklen_t len; ++ int orig_flags; ++ ++ orig_flags = fcntl(fd, F_GETFL, 0); ++ if (fcntl(fd, F_SETFL, orig_flags | O_NONBLOCK) < 0 ) { ++ warn("can't set O_NONBLOCK - timeout not available"); ++ if (connect(fd, sa, salen) == 0) ++ return CONNECTION_SUCCESS; ++ else ++ return CONNECTION_FAILED; ++ } ++ ++ /* set connect timeout */ ++ if (ctimeout > 0) { ++ tv.tv_sec = (time_t)ctimeout/1000; ++ tv.tv_usec = 0; ++ tvp = &tv; ++ } ++ ++ /* attempt the connection */ ++ err = connect(fd, sa, salen); ++ if (err != 0 && errno == EINPROGRESS) { ++ /* connection is proceeding ++ * it is complete (or failed) when select returns */ ++ ++ /* initialize connect_fdset */ ++ FD_ZERO(&connect_fdset); ++ FD_SET(fd, &connect_fdset); ++ ++ /* call select */ ++ do { ++ err = select(fd + 1, NULL, &connect_fdset, ++ NULL, tvp); ++ } while (err < 0 && errno == EINTR); ++ ++ /* select error */ ++ if (err < 0) ++ errx(1,"select error: %s", strerror(errno)); ++ /* we have reached a timeout */ ++ if (err == 0) ++ return CONNECTION_TIMEOUT; ++ /* select returned successfully, but we must test socket ++ * error for result */ ++ len = sizeof(err); ++ if (getsockopt(fd, SOL_SOCKET, SO_ERROR, &err, &len) < 0) ++ errx(1, "getsockopt error: %s", strerror(errno)); ++ /* setup errno according to the result returned by ++ * getsockopt */ ++ if (err != 0) ++ errno = err; ++ } ++ ++ /* return aborted if an error occured, and valid otherwise */ ++ fcntl(fd, F_SETFL, orig_flags); ++ return (err != 0)? CONNECTION_FAILED : CONNECTION_SUCCESS; ++} ++ + /* + * local_listen() + * Returns a socket listening on a local port, binds to specified source diff --git a/gnu/packages/patches/netcat-openbsd-dccp-support.patch b/gnu/packages/patches/netcat-openbsd-dccp-support.patch new file mode 100644 index 0000000000..9aafe3b080 --- /dev/null +++ b/gnu/packages/patches/netcat-openbsd-dccp-support.patch @@ -0,0 +1,235 @@ +From: Aron Xu +Date: Mon, 13 Feb 2012 15:56:51 +0800 +Subject: dccp support + +--- + nc.1 | 4 ++ + netcat.c | 89 +++++++++++++++++++++++++++++++++++++++++++++++++++++---------- + 2 files changed, 79 insertions(+), 14 deletions(-) + +--- a/nc.1 ++++ b/nc.1 +@@ -33,7 +33,7 @@ + .Nd arbitrary TCP and UDP connections and listens + .Sh SYNOPSIS + .Nm nc +-.Op Fl 46CDdFhklNnrStUuvz ++.Op Fl 46CDdFhklNnrStUuvZz + .Op Fl I Ar length + .Op Fl i Ar interval + .Op Fl M Ar ttl +@@ -289,6 +289,8 @@ An IPv6 address can be specified unambig + in square brackets. + A proxy cannot be used with any of the options + .Fl lsuU . ++.It Fl Z ++DCCP mode. + .It Fl z + Only scan for listening daemons, without sending any data to them. + Cannot be used together with +--- a/netcat.c ++++ b/netcat.c +@@ -146,6 +146,7 @@ int rflag; /* Random ports flag */ + char *sflag; /* Source Address */ + int tflag; /* Telnet Emulation */ + int uflag; /* UDP - Default to TCP */ ++int dccpflag; /* DCCP - Default to TCP */ + int vflag; /* Verbosity */ + int xflag; /* Socks proxy */ + int zflag; /* Port Scan Flag */ +@@ -224,6 +225,7 @@ ssize_t drainbuf(int, unsigned char *, s + ssize_t fillbuf(int, unsigned char *, size_t *); + # endif + ++char *proto_name(int uflag, int dccpflag); + static int connect_with_timeout(int fd, const struct sockaddr *sa, + socklen_t salen, int ctimeout); + +@@ -263,7 +265,7 @@ main(int argc, char *argv[]) + # if defined(TLS) + "46C:cDde:FH:hI:i:K:klM:m:NnO:o:P:p:q:R:rSs:T:tUuV:vW:w:X:x:Z:z")) + # else +- "46CDdFhI:i:klM:m:NnO:P:p:q:rSs:T:tUuV:vW:w:X:x:z")) ++ "46CDdFhI:i:klM:m:NnO:P:p:q:rSs:T:tUuV:vW:w:X:x:Zz")) + # endif + != -1) { + switch (ch) { +@@ -380,6 +382,13 @@ main(int argc, char *argv[]) + case 'u': + uflag = 1; + break; ++ case 'Z': ++# if defined(IPPROTO_DCCP) && defined(SOCK_DCCP) ++ dccpflag = 1; ++# else ++ errx(1, "no DCCP support available"); ++# endif ++ break; + case 'V': + # if defined(RT_TABLEID_MAX) + rtableid = (int)strtonum(optarg, 0, +@@ -484,6 +493,10 @@ main(int argc, char *argv[]) + + /* Cruft to make sure options are clean, and used properly. */ + if (argv[0] && !argv[1] && family == AF_UNIX) { ++# if defined(IPPROTO_DCCP) && defined(SOCK_DCCP) ++ if (dccpflag) ++ errx(1, "cannot use -Z and -U"); ++# endif + host = argv[0]; + uport = NULL; + } else if (!argv[0] && lflag) { +@@ -577,8 +590,20 @@ main(int argc, char *argv[]) + if (family != AF_UNIX) { + memset(&hints, 0, sizeof(struct addrinfo)); + hints.ai_family = family; +- hints.ai_socktype = uflag ? SOCK_DGRAM : SOCK_STREAM; +- hints.ai_protocol = uflag ? IPPROTO_UDP : IPPROTO_TCP; ++ if (uflag) { ++ hints.ai_socktype = SOCK_DGRAM; ++ hints.ai_protocol = IPPROTO_UDP; ++ } ++# if defined(IPPROTO_DCCP) && defined(SOCK_DCCP) ++ else if (dccpflag) { ++ hints.ai_socktype = SOCK_DCCP; ++ hints.ai_protocol = IPPROTO_DCCP; ++ } ++# endif ++ else { ++ hints.ai_socktype = SOCK_STREAM; ++ hints.ai_protocol = IPPROTO_TCP; ++ } + if (nflag) + hints.ai_flags |= AI_NUMERICHOST; + } +@@ -586,7 +611,10 @@ main(int argc, char *argv[]) + if (xflag) { + if (uflag) + errx(1, "no proxy support for UDP mode"); +- ++# if defined(IPPROTO_DCCP) && defined(SOCK_DCCP) ++ if (dccpflag) ++ errx(1, "no proxy support for DCCP mode"); ++# endif + if (lflag) + errx(1, "no proxy support for listen"); + +@@ -833,19 +861,20 @@ main(int argc, char *argv[]) + } + } + ++ char *proto = proto_name(uflag, dccpflag); + /* Don't look up port if -n. */ + if (nflag) + sv = NULL; + else { + sv = getservbyport( + ntohs(atoi(portlist[i])), +- uflag ? "udp" : "tcp"); ++ proto); + } + + fprintf(stderr, + "Connection to %s %s port [%s/%s] " + "succeeded!\n", host, portlist[i], +- uflag ? "udp" : "tcp", ++ proto, + sv ? sv->s_name : "*"); + } + if (Fflag) +@@ -1060,6 +1089,24 @@ unix_listen(char *path) + return s; + } + ++char *proto_name(int uflag, int dccpflag) { ++ ++ char *proto = NULL; ++ if (uflag) { ++ proto = "udp"; ++ } ++# if defined(IPPROTO_DCCP) && defined(SOCK_DCCP) ++ else if (dccpflag) { ++ proto = "dccp"; ++ } ++# endif ++ else { ++ proto = "tcp"; ++ } ++ ++ return proto; ++} ++ + /* + * remote_connect() + * Returns a socket connected to a remote host. Properly binds to a local +@@ -1090,8 +1137,21 @@ remote_connect(const char *host, const c + # endif + memset(&ahints, 0, sizeof(struct addrinfo)); + ahints.ai_family = res->ai_family; +- ahints.ai_socktype = uflag ? SOCK_DGRAM : SOCK_STREAM; +- ahints.ai_protocol = uflag ? IPPROTO_UDP : IPPROTO_TCP; ++ if (uflag) { ++ ahints.ai_socktype = SOCK_DGRAM; ++ ahints.ai_protocol = IPPROTO_UDP; ++ ++ } ++# if defined(IPPROTO_DCCP) && defined(SOCK_DCCP) ++ else if (dccpflag) { ++ hints.ai_socktype = SOCK_DCCP; ++ hints.ai_protocol = IPPROTO_DCCP; ++ } ++# endif ++ else { ++ ahints.ai_socktype = SOCK_STREAM; ++ ahints.ai_protocol = IPPROTO_TCP; ++ } + ahints.ai_flags = AI_PASSIVE; + if ((error = getaddrinfo(sflag, pflag, &ahints, &ares))) + errx(1, "getaddrinfo: %s", gai_strerror(error)); +@@ -1103,15 +1163,16 @@ remote_connect(const char *host, const c + } + + set_common_sockopts(s, res->ai_family); ++ char *proto = proto_name(uflag, dccpflag); + + if ((error = connect_with_timeout(s, res->ai_addr, res->ai_addrlen, timeout)) == CONNECTION_SUCCESS) + break; + if (vflag && error == CONNECTION_FAILED) + warn("connect to %s port %s (%s) failed", host, port, +- uflag ? "udp" : "tcp"); +- else if (vflag && error == CONNECTION_TIMEOUT) ++ proto); ++ else if (vflag && error == CONNECTION_TIMEOUT) + warn("connect to %s port %s (%s) timed out", host, port, +- uflag ? "udp" : "tcp"); ++ proto); + + save_errno = errno; + close(s); +@@ -1715,7 +1776,8 @@ build_ports(char *p) + int hi, lo, cp; + int x = 0; + +- sv = getservbyname(p, uflag ? "udp" : "tcp"); ++ char *proto = proto_name(uflag, dccpflag); ++ sv = getservbyname(p, proto); + if (sv) { + if (asprintf(&portlist[0], "%d", ntohs(sv->s_port)) < 0) + err(1, "asprintf"); +@@ -2095,6 +2157,7 @@ help(void) + \t-w timeout Timeout for connects and final net reads\n\ + \t-X proto Proxy protocol: \"4\", \"5\" (SOCKS) or \"connect\"\n\ + \t-x addr[:port]\tSpecify proxy address and port\n\ ++ \t-Z DCCP mode\n\ + \t-z Zero-I/O mode [used for scanning]\n\ + Port numbers can be individual or ranges: lo-hi [inclusive]\n"); + exit(0); +@@ -2104,7 +2167,7 @@ void + usage(int ret) + { + fprintf(stderr, +- "usage: nc [-46CDdFhklNnrStUuvz] [-I length] [-i interval] [-M ttl]\n" ++ "usage: nc [-46CDdFhklNnrStUuvZz] [-I length] [-i interval] [-M ttl]\n" + "\t [-m minttl] [-O length] [-P proxy_username] [-p source_port]\n" + "\t [-q seconds] [-s source] [-T keyword] [-V rtable] [-W recvlimit] " + "[-w timeout]\n" diff --git a/gnu/packages/patches/netcat-openbsd-destination-port-list.patch b/gnu/packages/patches/netcat-openbsd-destination-port-list.patch new file mode 100644 index 0000000000..f960f8c217 --- /dev/null +++ b/gnu/packages/patches/netcat-openbsd-destination-port-list.patch @@ -0,0 +1,191 @@ +From: Guilhem Moulin +Date: Mon, 22 Oct 2018 04:15:52 +0200 +Subject: destination port list + +--- + nc.1 | 26 ++++++++++++++++--- + netcat.c | 86 ++++++++++++++++++++++++++++++++------------------------------- + 2 files changed, 68 insertions(+), 44 deletions(-) + +--- a/nc.1 ++++ b/nc.1 +@@ -414,15 +414,35 @@ The + flag can be used to tell + .Nm + to report open ports, +-rather than initiate a connection. ++rather than initiate a connection. Usually it's useful to turn on verbose ++output to stderr by use this option in conjunction with ++.Fl v ++option. ++.Pp + For example: + .Bd -literal -offset indent +-$ nc -z host.example.com 20-30 ++$ nc \-zv host.example.com 20-30 + Connection to host.example.com 22 port [tcp/ssh] succeeded! + Connection to host.example.com 25 port [tcp/smtp] succeeded! + .Ed + .Pp +-The port range was specified to limit the search to ports 20 \- 30. ++The port range was specified to limit the search to ports 20 \- 30, and is ++scanned by increasing order (unless the ++.Fl r ++flag is set). ++.Pp ++You can also specify a list of ports to scan, for example: ++.Bd -literal -offset indent ++$ nc \-zv host.example.com http 20 22-23 ++nc: connect to host.example.com 80 (tcp) failed: Connection refused ++nc: connect to host.example.com 20 (tcp) failed: Connection refused ++Connection to host.example.com port [tcp/ssh] succeeded! ++nc: connect to host.example.com 23 (tcp) failed: Connection refused ++.Ed ++.Pp ++The ports are scanned by the order you given (unless the ++.Fl r ++flag is set). + .Pp + Alternatively, it might be useful to know which server software + is running, and which versions. +--- a/netcat.c ++++ b/netcat.c +@@ -191,7 +191,7 @@ int minttl = -1; + + void atelnet(int, unsigned char *, unsigned int); + int strtoport(char *portstr, int udp); +-void build_ports(char *); ++void build_ports(char **); + void help(void) __attribute__((noreturn)); + int local_listen(const char *, const char *, struct addrinfo); + # if defined(TLS) +@@ -242,7 +242,7 @@ int + main(int argc, char *argv[]) + { + int ch, s = -1, ret, socksv; +- char *host, *uport; ++ char *host, **uport; + struct addrinfo hints; + struct servent *sv; + socklen_t len; +@@ -526,11 +526,11 @@ main(int argc, char *argv[]) + } else if (argv[0] && !argv[1]) { + if (!lflag) + usage(1); +- uport = argv[0]; ++ uport = &argv[0]; + host = NULL; + } else if (argv[0] && argv[1]) { + host = argv[0]; +- uport = argv[1]; ++ uport = &argv[1]; + } else + usage(1); + +@@ -717,7 +717,7 @@ main(int argc, char *argv[]) + else + s = unix_listen(host); + } else +- s = local_listen(host, uport, hints); ++ s = local_listen(host, *uport, hints); + if (s < 0) + err(1, NULL); + +@@ -1785,57 +1785,61 @@ strtoport(char *portstr, int udp) + * that we should try to connect to. + */ + void +-build_ports(char *p) ++build_ports(char **p) + { + struct servent *sv; + char *n; + int hi, lo, cp; + int x = 0; ++ int i; + + char *proto = proto_name(uflag, dccpflag); +- sv = getservbyname(p, proto); +- if (sv) { +- if (asprintf(&portlist[0], "%d", ntohs(sv->s_port)) < 0) +- err(1, "asprintf"); +- } else if (isdigit((unsigned char)*p) && (n = strchr(p, '-')) != NULL) { +- *n = '\0'; +- n++; +- +- /* Make sure the ports are in order: lowest->highest. */ +- hi = strtoport(n, uflag); +- lo = strtoport(p, uflag); +- if (lo > hi) { +- cp = hi; +- hi = lo; +- lo = cp; +- } +- +- /* +- * Initialize portlist with a random permutation. Based on +- * Knuth, as in ip_randomid() in sys/netinet/ip_id.c. +- */ +- if (rflag) { +- for (x = 0; x <= hi - lo; x++) { +- cp = arc4random_uniform(x + 1); +- portlist[x] = portlist[cp]; +- if (asprintf(&portlist[cp], "%d", x + lo) < 0) +- err(1, "asprintf"); ++ for (i = 0; p[i] != NULL; i++) { ++ sv = getservbyname(p[i], proto); ++ if (sv) { ++ if (asprintf(&portlist[x], "%d", ntohs(sv->s_port)) < 0) ++ err(1, "asprintf"); ++ x++; ++ } else if (isdigit((unsigned char)*p[i]) && (n = strchr(p[i], '-')) != NULL) { ++ *n = '\0'; ++ n++; ++ ++ /* Make sure the ports are in order: lowest->highest. */ ++ hi = strtoport(n, uflag); ++ lo = strtoport(p[i], uflag); ++ if (lo > hi) { ++ cp = hi; ++ hi = lo; ++ lo = cp; + } +- } else { /* Load ports sequentially. */ ++ ++ /* Load ports sequentially. */ + for (cp = lo; cp <= hi; cp++) { + if (asprintf(&portlist[x], "%d", cp) < 0) + err(1, "asprintf"); + x++; + } ++ } else { ++ hi = strtoport(p[i], uflag); ++ if (asprintf(&portlist[x], "%d", hi) < 0) ++ err(1, "asprintf"); ++ x++; + } +- } else { +- char *tmp; ++ } + +- hi = strtoport(p, uflag); +- if (asprintf(&tmp, "%d", hi) != -1) +- portlist[0] = tmp; +- else +- err(1, NULL); ++ /* ++ * Initialize portlist with a random permutation using ++ * Fisher–Yates shuffle. ++ */ ++ if (rflag) { ++ for (i = x-1; i > 0; i--) { ++ cp = arc4random_uniform(i+1); ++ if (cp != i) { ++ n = portlist[i]; ++ portlist[i] = portlist[cp]; ++ portlist[cp] = n; ++ } ++ } + } + } + diff --git a/gnu/packages/patches/netcat-openbsd-get-sev-by-name.patch b/gnu/packages/patches/netcat-openbsd-get-sev-by-name.patch new file mode 100644 index 0000000000..53868bb3ce --- /dev/null +++ b/gnu/packages/patches/netcat-openbsd-get-sev-by-name.patch @@ -0,0 +1,28 @@ +From: Aron Xu +Date: Mon, 13 Feb 2012 14:45:08 +0800 +Subject: get sev by name + +--- + netcat.c | 7 ++++++- + 1 file changed, 6 insertions(+), 1 deletion(-) + +--- a/netcat.c ++++ b/netcat.c +@@ -1679,11 +1679,16 @@ strtoport(char *portstr, int udp) + void + build_ports(char *p) + { ++ struct servent *sv; + char *n; + int hi, lo, cp; + int x = 0; + +- if (isdigit((unsigned char)*p) && (n = strchr(p, '-')) != NULL) { ++ sv = getservbyname(p, uflag ? "udp" : "tcp"); ++ if (sv) { ++ if (asprintf(&portlist[0], "%d", ntohs(sv->s_port)) < 0) ++ err(1, "asprintf"); ++ } else if (isdigit((unsigned char)*p) && (n = strchr(p, '-')) != NULL) { + *n = '\0'; + n++; + diff --git a/gnu/packages/patches/netcat-openbsd-misc-failures-and-features.patch b/gnu/packages/patches/netcat-openbsd-misc-failures-and-features.patch new file mode 100644 index 0000000000..be771b0177 --- /dev/null +++ b/gnu/packages/patches/netcat-openbsd-misc-failures-and-features.patch @@ -0,0 +1,145 @@ +From: Aron Xu +Date: Mon, 13 Feb 2012 19:06:52 +0800 +Subject: misc failures and features + +--- + Makefile | 3 ++- + nc.1 | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++ + netcat.c | 14 ++++++++++++-- + 3 files changed, 65 insertions(+), 3 deletions(-) + +--- a/Makefile ++++ b/Makefile +@@ -3,7 +3,8 @@ + PROG= nc + SRCS= netcat.c atomicio.c socks.c + +-LIBS= `pkg-config --libs libbsd` -lresolv ++PKG_CONFIG ?= pkg-config ++LIBS= `$(PKG_CONFIG) --libs libbsd` -lresolv + OBJS= $(SRCS:.c=.o) + CFLAGS= -g -O2 + LDFLAGS= -Wl,--no-add-needed +--- a/nc.1 ++++ b/nc.1 +@@ -365,6 +365,54 @@ and which side is being used as a + The connection may be terminated using an + .Dv EOF + .Pq Sq ^D . ++.Pp ++There is no ++.Fl c ++or ++.Fl e ++option in this netcat, but you still can execute a command after connection ++being established by redirecting file descriptors. Be cautious here because ++opening a port and let anyone connected execute arbitrary command on your ++site is DANGEROUS. If you really need to do this, here is an example: ++.Pp ++On ++.Sq server ++side: ++.Pp ++.Dl $ rm -f /tmp/f; mkfifo /tmp/f ++.Dl $ cat /tmp/f | /bin/sh -i 2>&1 | nc -l 127.0.0.1 1234 > /tmp/f ++.Pp ++On ++.Sq client ++side: ++.Pp ++.Dl $ nc host.example.com 1234 ++.Dl $ (shell prompt from host.example.com) ++.Pp ++By doing this, you create a fifo at /tmp/f and make nc listen at port 1234 ++of address 127.0.0.1 on ++.Sq server ++side, when a ++.Sq client ++establishes a connection successfully to that port, /bin/sh gets executed ++on ++.Sq server ++side and the shell prompt is given to ++.Sq client ++side. ++.Pp ++When connection is terminated, ++.Nm ++quits as well. Use ++.Fl k ++if you want it keep listening, but if the command quits this option won't ++restart it or keep ++.Nm ++running. Also don't forget to remove the file descriptor once you don't need ++it anymore: ++.Pp ++.Dl $ rm -f /tmp/f ++.Pp + .Sh DATA TRANSFER + The example in the previous section can be expanded to build a + basic data transfer model. +@@ -517,6 +565,9 @@ Original implementation by + .br + Rewritten with IPv6 support by + .An Eric Jackson Aq Mt ericj@monkey.org . ++.br ++Modified for Debian port by Aron Xu ++.Aq aron@debian.org . + .Sh CAVEATS + UDP port scans using the + .Fl uz +--- a/netcat.c ++++ b/netcat.c +@@ -98,6 +98,7 @@ + #include + #include + #include ++#include + #include + #include + #include +@@ -246,7 +247,10 @@ main(int argc, char *argv[]) + struct addrinfo hints; + struct servent *sv; + socklen_t len; +- struct sockaddr_storage cliaddr; ++ union { ++ struct sockaddr_storage storage; ++ struct sockaddr_un forunix; ++ } cliaddr; + char *proxy = NULL, *proxyport = NULL; + const char *errstr; + struct addrinfo proxyhints; +@@ -945,6 +949,8 @@ unix_bind(char *path, int flags) + 0)) < 0) + return -1; + ++ unlink(path); ++ + memset(&s_un, 0, sizeof(struct sockaddr_un)); + s_un.sun_family = AF_UNIX; + +@@ -1070,8 +1076,10 @@ unix_connect(char *path) + if ((s = unix_bind(unix_dg_tmp_socket, SOCK_CLOEXEC)) < 0) + return -1; + } else { +- if ((s = socket(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, 0)) < 0) ++ if ((s = socket(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, 0)) < 0) { ++ errx(1, "create unix socket failed"); + return -1; ++ } + } + + memset(&s_un, 0, sizeof(struct sockaddr_un)); +@@ -1081,10 +1089,12 @@ unix_connect(char *path) + sizeof(s_un.sun_path)) { + close(s); + errno = ENAMETOOLONG; ++ warn("unix connect abandoned"); + return -1; + } + if (connect(s, (struct sockaddr *)&s_un, sizeof(s_un)) < 0) { + save_errno = errno; ++ warn("unix connect failed"); + close(s); + errno = save_errno; + return -1; diff --git a/gnu/packages/patches/netcat-openbsd-port-to-linux-with-libsd.patch b/gnu/packages/patches/netcat-openbsd-port-to-linux-with-libsd.patch new file mode 100644 index 0000000000..24e5bf767c --- /dev/null +++ b/gnu/packages/patches/netcat-openbsd-port-to-linux-with-libsd.patch @@ -0,0 +1,483 @@ +From: Aron Xu +Date: Mon, 13 Feb 2012 15:59:31 +0800 +Subject: port to linux with libsd + +--- + Makefile | 15 ++++++- + nc.1 | 3 - + netcat.c | 131 ++++++++++++++++++++++++++++++++++++++++++++++++--------------- + socks.c | 46 +++++++++++----------- + 4 files changed, 139 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 ++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 +@@ -213,8 +213,6 @@ Proxy authentication is only supported f + Specify the source port + .Nm + should use, subject to privilege restrictions and availability. +-Cannot be used together with +-.Fl l . + .It Fl R Ar CAfile + Load the root CA bundle for TLS certificate verification from + .Ar CAfile , +@@ -274,6 +272,7 @@ For the IPv4 TOS/IPv6 traffic class valu + may be one of + .Cm critical , + .Cm inetcontrol , ++.Cm lowcost , + .Cm lowdelay , + .Cm netcontrol , + .Cm throughput , +--- a/netcat.c ++++ b/netcat.c +@@ -32,6 +32,8 @@ + * *Hobbit* . + */ + ++#define _GNU_SOURCE ++ + #include + #include + #include +@@ -41,6 +43,49 @@ + #include + #include + #include ++#ifdef __linux__ ++# include ++#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 + #include +@@ -56,6 +101,8 @@ + #include + #include + #include ++#include ++#include + + #include "atomicio.h" + +@@ -269,10 +316,14 @@ 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; +@@ -321,7 +372,11 @@ 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; +@@ -346,14 +401,23 @@ main(int argc, char *argv[]) + argc -= optind; + argv += optind; + ++# if defined(RT_TABLEID_MAX) + if (rtableid >= 0) + if (setrtable(rtableid) == -1) + err(1, "setrtable"); ++# 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 (pflag) ++ errx(1, "cannot use -p and -l"); ++ if (zflag) ++ errx(1, "cannot use -z and -l"); + } else if (argv[0] && !argv[1]) { + if (!lflag) + usage(1); +@@ -388,33 +452,6 @@ main(int argc, char *argv[]) + } + } + +- if (family == AF_UNIX) { +- if (pledge("stdio rpath wpath cpath tmppath unix", NULL) == -1) +- err(1, "pledge"); +- } else if (Fflag && Pflag) { +- if (pledge("stdio inet dns sendfd tty", NULL) == -1) +- err(1, "pledge"); +- } else if (Fflag) { +- if (pledge("stdio inet dns sendfd", NULL) == -1) +- err(1, "pledge"); +- } else if (Pflag && usetls) { +- if (pledge("stdio rpath inet dns tty", 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"); +- +- 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) +@@ -449,8 +486,8 @@ 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; + } + } +@@ -933,8 +970,10 @@ 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; +@@ -1026,9 +1065,15 @@ local_listen(const char *host, const cha + 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); + +@@ -1498,11 +1543,13 @@ 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) +@@ -1513,9 +1560,14 @@ set_common_sockopts(int s, int af) + IP_TOS, &Tflag, sizeof(Tflag)) == -1) + err(1, "set IP ToS"); + ++#if defined(IPV6_TCLASS) + else if (af == AF_INET6 && setsockopt(s, IPPROTO_IPV6, + IPV6_TCLASS, &Tflag, sizeof(Tflag)) == -1) + err(1, "set IPv6 traffic class"); ++#else ++ else if (af == AF_INET6) ++ errx(1, "can't set IPv6 traffic class (unavailable)"); ++#endif + } + if (Iflag) { + if (setsockopt(s, SOL_SOCKET, SO_RCVBUF, +@@ -1533,19 +1585,34 @@ set_common_sockopts(int s, int af) + IP_TTL, &ttl, sizeof(ttl))) + err(1, "set IP TTL"); + ++#if defined(IPV6_UNICAST_HOPS) + else if (af == AF_INET6 && setsockopt(s, IPPROTO_IPV6, + IPV6_UNICAST_HOPS, &ttl, sizeof(ttl))) + err(1, "set IPv6 unicast hops"); ++#else ++ else if (af == AF_INET6) ++ errx(1, "can't set IPv6 unicast hops (unavailable)"); ++#endif + } + + if (minttl != -1) { ++#if defined(IP_MINTTL) + if (af == AF_INET && setsockopt(s, IPPROTO_IP, + IP_MINTTL, &minttl, sizeof(minttl))) + err(1, "set IP min TTL"); ++#else ++ if (af == AF_INET) ++ errx(1, "can't set IP min TTL (unavailable)"); ++#endif + ++#if defined(IPV6_MINHOPCOUNT) + else if (af == AF_INET6 && setsockopt(s, IPPROTO_IPV6, + IPV6_MINHOPCOUNT, &minttl, sizeof(minttl))) + err(1, "set IPv6 min hop count"); ++#else ++ else if (af == AF_INET6) ++ errx(1, "can't set IPv6 min hop count (unavailable)"); ++#endif + } + } + +@@ -1580,6 +1647,7 @@ process_tos_opt(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 }, +@@ -1741,6 +1809,9 @@ report_sock(const char *msg, const struc + 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\ +@@ -1783,7 +1854,7 @@ help(void) + \t-Z Peer certificate file\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 + #include + #include +-#include ++#include + #include "atomicio.h" + + #define SOCKS_PORT "1080" +@@ -217,11 +217,11 @@ 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"); +@@ -270,11 +270,11 @@ 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])); +@@ -283,12 +283,12 @@ 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"); +@@ -308,11 +308,11 @@ 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])); +@@ -326,21 +326,21 @@ 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 proxypass[256]; +@@ -348,20 +348,20 @@ socks_connect(const char *host, const ch + + getproxypass(proxyuser, proxyhost, + proxypass, sizeof proxypass); +- r = snprintf(buf, sizeof(buf), "%s:%s", ++ r = snprintf((char*)buf, sizeof(buf), "%s:%s", + proxyuser, proxypass); + explicit_bzero(proxypass, sizeof 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); + explicit_bzero(proxypass, sizeof proxypass); + explicit_bzero(buf, sizeof buf); + } +@@ -371,22 +371,22 @@ 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; + } diff --git a/gnu/packages/patches/netcat-openbsd-quit-timer.patch b/gnu/packages/patches/netcat-openbsd-quit-timer.patch new file mode 100644 index 0000000000..53985b42b1 --- /dev/null +++ b/gnu/packages/patches/netcat-openbsd-quit-timer.patch @@ -0,0 +1,143 @@ +From: Aron Xu +Date: Mon, 13 Feb 2012 15:16:04 +0800 +Subject: quit timer + +--- + nc.1 | 10 ++++++++++ + netcat.c | 50 +++++++++++++++++++++++++++++++++++++++++--------- + 2 files changed, 51 insertions(+), 9 deletions(-) + +--- a/nc.1 ++++ b/nc.1 +@@ -41,6 +41,7 @@ + .Op Fl O Ar length + .Op Fl P Ar proxy_username + .Op Fl p Ar source_port ++.Op Fl q Ar seconds + .Op Fl s Ar source + .Op Fl T Ar keyword + .Op Fl V Ar rtable +@@ -167,6 +168,15 @@ Proxy authentication is only supported f + Specify the source port + .Nm + should use, subject to privilege restrictions and availability. ++.It Fl q Ar seconds ++after EOF on stdin, wait the specified number of ++.Ar seconds ++and then quit. If ++.Ar seconds ++is negative, wait forever (default). Specifying a non-negative ++.Ar seconds ++implies ++.Fl N . + .It Fl r + Choose source and/or destination ports randomly + instead of sequentially within a range or in the order that the system +--- a/netcat.c ++++ b/netcat.c +@@ -139,6 +139,7 @@ int Nflag; /* shutdown() network soc + int nflag; /* Don't do name look up */ + char *Pflag; /* Proxy username */ + char *pflag; /* Localport flag */ ++int qflag = -1; /* Quit after some secs */ + int rflag; /* Random ports flag */ + char *sflag; /* Source Address */ + int tflag; /* Telnet Emulation */ +@@ -224,6 +225,8 @@ ssize_t fillbuf(int, unsigned char *, si + static int connect_with_timeout(int fd, const struct sockaddr *sa, + socklen_t salen, int ctimeout); + ++static void quit(); ++ + int + main(int argc, char *argv[]) + { +@@ -256,9 +259,9 @@ main(int argc, char *argv[]) + + while ((ch = getopt(argc, argv, + # if defined(TLS) +- "46C:cDde:FH:hI:i:K:klM:m:NnO:o:P:p:R:rSs:T:tUuV:vW:w:X:x:Z:z")) ++ "46C:cDde:FH:hI:i:K:klM:m:NnO:o:P:p:q:R:rSs:T:tUuV:vW:w:X:x:Z:z")) + # else +- "46CDdFhI:i:klM:m:NnO:P:p:rSs:T:tUuV:vW:w:X:x:z")) ++ "46CDdFhI:i:klM:m:NnO:P:p:q:rSs:T:tUuV:vW:w:X:x:z")) + # endif + != -1) { + switch (ch) { +@@ -350,6 +353,13 @@ main(int argc, char *argv[]) + case 'p': + pflag = optarg; + break; ++ case 'q': ++ qflag = strtonum(optarg, INT_MIN, INT_MAX, &errstr); ++ if (errstr) ++ errx(1, "quit timer %s: %s", errstr, optarg); ++ if (qflag >= 0) ++ Nflag = 1; ++ break; + # if defined(TLS) + case 'R': + tls_cachanged = 1; +@@ -1319,15 +1329,27 @@ readwrite(int net_fd) + while (1) { + /* both inputs are gone, buffers are empty, we are done */ + if (pfd[POLL_STDIN].fd == -1 && pfd[POLL_NETIN].fd == -1 && +- stdinbufpos == 0 && netinbufpos == 0) +- return; ++ stdinbufpos == 0 && netinbufpos == 0) { ++ if (qflag <= 0) ++ return; ++ goto delay_exit; ++ } + /* both outputs are gone, we can't continue */ +- if (pfd[POLL_NETOUT].fd == -1 && pfd[POLL_STDOUT].fd == -1) +- return; ++ if (pfd[POLL_NETOUT].fd == -1 && pfd[POLL_STDOUT].fd == -1) { ++ if (qflag <= 0) ++ return; ++ goto delay_exit; ++ } + /* listen and net in gone, queues empty, done */ + if (lflag && pfd[POLL_NETIN].fd == -1 && +- stdinbufpos == 0 && netinbufpos == 0) +- return; ++ stdinbufpos == 0 && netinbufpos == 0) { ++ if (qflag <= 0) ++ return; ++delay_exit: ++ close(net_fd); ++ signal(SIGALRM, quit); ++ alarm(qflag); ++ } + + /* poll */ + num_fds = poll(pfd, 4, timeout); +@@ -2052,6 +2074,7 @@ help(void) + \t-O length TCP send buffer length\n\ + \t-P proxyuser\tUsername for proxy authentication\n\ + \t-p port\t Specify local port for remote connects\n\ ++ \t-q secs\t quit after EOF on stdin and delay of secs\n\ + \t-r Randomize remote ports\n\ + \t-S Enable the TCP MD5 signature option\n\ + \t-s source Local source address\n\ +@@ -2076,10 +2099,19 @@ usage(int ret) + fprintf(stderr, + "usage: nc [-46CDdFhklNnrStUuvz] [-I length] [-i interval] [-M ttl]\n" + "\t [-m minttl] [-O length] [-P proxy_username] [-p source_port]\n" +- "\t [-s source] [-T keyword] [-V rtable] [-W recvlimit] " ++ "\t [-q seconds] [-s source] [-T keyword] [-V rtable] [-W recvlimit] " + "[-w timeout]\n" + "\t [-X proxy_protocol] [-x proxy_address[:port]] " + "\t [destination] [port]\n"); + if (ret) + exit(1); + } ++ ++/* ++ * quit() ++ * handler for a "-q" timeout (exit 0 instead of 1) ++ */ ++static void quit() ++{ ++ exit(0); ++} diff --git a/gnu/packages/patches/netcat-openbsd-send-crlf.patch b/gnu/packages/patches/netcat-openbsd-send-crlf.patch new file mode 100644 index 0000000000..ed381f3fa2 --- /dev/null +++ b/gnu/packages/patches/netcat-openbsd-send-crlf.patch @@ -0,0 +1,192 @@ +From: Aron Xu +Date: Mon, 13 Feb 2012 14:57:45 +0800 +Subject: send crlf + +--- + nc.1 | 9 +++++-- + netcat.c | 74 ++++++++++++++++++++++++++++++++++----------------------------- + 2 files changed, 48 insertions(+), 35 deletions(-) + +--- a/nc.1 ++++ b/nc.1 +@@ -33,7 +33,7 @@ + .Nd arbitrary TCP and UDP connections and listens + .Sh SYNOPSIS + .Nm nc +-.Op Fl 46DdFhklNnrStUuvz ++.Op Fl 46CDdFhklNnrStUuvz + .Op Fl I Ar length + .Op Fl i Ar interval + .Op Fl M Ar ttl +@@ -92,6 +92,11 @@ The options are as follows: + Use IPv4 addresses only. + .It Fl 6 + Use IPv6 addresses only. ++.It Fl C ++Send CRLF as line-ending. Each line feed (LF) character from the input ++data is translated into CR+LF before being written to the socket. Line ++feed characters that are already preceded with a carriage return (CR) ++are not translated. Received data is not affected. + .It Fl D + Enable debugging on the socket. + .It Fl d +@@ -377,7 +382,7 @@ More complicated examples can be built u + of requests required by the server. + As another example, an email may be submitted to an SMTP server using: + .Bd -literal -offset indent +-$ nc localhost 25 \*(Lt\*(Lt EOF ++$ nc [\-C] localhost 25 \*(Lt\*(Lt EOF + HELO host.example.com + MAIL FROM:\*(Ltuser@host.example.com\*(Gt + RCPT TO:\*(Ltuser2@host.example.com\*(Gt +--- a/netcat.c ++++ b/netcat.c +@@ -166,6 +166,8 @@ char *tls_expecthash; /* required hash + char *tls_ciphers; /* TLS ciphers */ + char *tls_protocols; /* TLS protocols */ + FILE *Zflag; /* file to save peer cert */ ++# else ++int Cflag = 0; /* CRLF line-ending */ + # endif + + int recvcount, recvlimit; +@@ -215,7 +217,7 @@ ssize_t fillbuf(int, unsigned char *, si + void tls_setup_client(struct tls *, int, char *); + struct tls *tls_setup_server(struct tls *, int, char *); + # else +-ssize_t drainbuf(int, unsigned char *, size_t *); ++ssize_t drainbuf(int, unsigned char *, size_t *, int); + ssize_t fillbuf(int, unsigned char *, size_t *); + # endif + +@@ -256,7 +258,7 @@ main(int argc, char *argv[]) + # if defined(TLS) + "46C:cDde:FH:hI:i:K:klM:m:NnO:o:P:p:R:rSs:T:tUuV:vW:w:X:x:Z:z")) + # else +- "46DdFhI:i:klM:m:NnO:P:p:rSs:T:tUuV:vW:w:X:x:z")) ++ "46CDdFhI:i:klM:m:NnO:P:p:rSs:T:tUuV:vW:w:X:x:z")) + # endif + != -1) { + switch (ch) { +@@ -286,6 +288,10 @@ main(int argc, char *argv[]) + case 'c': + usetls = 1; + break; ++# else ++ case 'C': ++ Cflag = 1; ++ break; + # endif + case 'd': + dflag = 1; +@@ -1323,12 +1329,6 @@ readwrite(int net_fd) + stdinbufpos == 0 && netinbufpos == 0) + return; + +- /* help says -i is for "wait between lines sent". We read and +- * write arbitrary amounts of data, and we don't want to start +- * scanning for newlines, so this is as good as it gets */ +- if (iflag) +- sleep(iflag); +- + /* poll */ + num_fds = poll(pfd, 4, timeout); + +@@ -1408,7 +1408,7 @@ readwrite(int net_fd) + pfd[POLL_NETOUT].events = POLLOUT; + else + # else +- &stdinbufpos); ++ &stdinbufpos, (iflag || Cflag) ? 1 : 0); + # endif + if (ret == -1) + pfd[POLL_NETOUT].fd = -1; +@@ -1467,7 +1467,7 @@ readwrite(int net_fd) + pfd[POLL_STDOUT].events = POLLOUT; + else + # else +- &netinbufpos); ++ &netinbufpos, 0); + # endif + if (ret == -1) + pfd[POLL_STDOUT].fd = -1; +@@ -1493,33 +1493,40 @@ readwrite(int net_fd) + } + + ssize_t +-# if defined(TLS) +-drainbuf(int fd, unsigned char *buf, size_t *bufpos, struct tls *tls) +-# else +-drainbuf(int fd, unsigned char *buf, size_t *bufpos) +-# endif ++drainbuf(int fd, unsigned char *buf, size_t *bufpos, int oneline) + { +- ssize_t n; ++ ssize_t n, r; + ssize_t adjust; ++ unsigned char *lf = NULL; + +-# if defined(TLS) +- if (tls) { +- n = tls_write(tls, buf, *bufpos); +- if (n == -1) +- errx(1, "tls write failed (%s)", tls_error(tls)); +- } else { +-# endif +- n = write(fd, buf, *bufpos); +- /* don't treat EAGAIN, EINTR as error */ +- if (n == -1 && (errno == EAGAIN || errno == EINTR)) +-# if defined(TLS) +- n = TLS_WANT_POLLOUT; +- } +-# else +- n = -2; +-# endif ++ if (oneline) ++ lf = memchr(buf, '\n', *bufpos); ++ if (lf == NULL) { ++ n = *bufpos; ++ oneline = 0; ++ } ++ else if (Cflag && (lf == buf || buf[lf - buf - 1] != '\r')) { ++ n = lf - buf; ++ oneline = 2; ++ } ++ else ++ n = lf - buf + 1; ++ if (n > 0) ++ n = write(fd, buf, n); ++ ++ /* don't treat EAGAIN, EINTR as error */ ++ if (n == -1 && (errno == EAGAIN || errno == EINTR)) ++ n = -2; ++ if (oneline == 2 && n >= 0) ++ n++; + if (n <= 0) + return n; ++ ++ if (oneline == 2 && (r = atomicio(vwrite, fd, "\r\n", 2)) != 2) ++ err(1, "write failed (%zu/2)", r); ++ if (oneline > 0 && iflag) ++ sleep(iflag); ++ + /* adjust buffer */ + adjust = *bufpos - n; + if (adjust > 0) +@@ -2029,6 +2036,7 @@ help(void) + fprintf(stderr, "\tCommand Summary:\n\ + \t-4 Use IPv4\n\ + \t-6 Use IPv6\n\ ++ \t-C Send CRLF as line-ending\n\ + \t-D Enable the debug socket option\n\ + \t-d Detach from stdin\n\ + \t-F Pass socket fd\n\ +@@ -2066,7 +2074,7 @@ void + usage(int ret) + { + fprintf(stderr, +- "usage: nc [-46DdFhklNnrStUuvz] [-I length] [-i interval] [-M ttl]\n" ++ "usage: nc [-46CDdFhklNnrStUuvz] [-I length] [-i interval] [-M ttl]\n" + "\t [-m minttl] [-O length] [-P proxy_username] [-p source_port]\n" + "\t [-s source] [-T keyword] [-V rtable] [-W recvlimit] " + "[-w timeout]\n" diff --git a/gnu/packages/patches/netcat-openbsd-serialized-handling-multiple-clients.patch b/gnu/packages/patches/netcat-openbsd-serialized-handling-multiple-clients.patch new file mode 100644 index 0000000000..34440836e2 --- /dev/null +++ b/gnu/packages/patches/netcat-openbsd-serialized-handling-multiple-clients.patch @@ -0,0 +1,49 @@ +From: Aron Xu +Date: Tue, 14 Feb 2012 23:02:00 +0800 +Subject: serialized handling multiple clients + +--- + netcat.c | 17 ++++++++--------- + 1 file changed, 8 insertions(+), 9 deletions(-) + +--- a/netcat.c ++++ b/netcat.c +@@ -707,7 +707,10 @@ main(int argc, char *argv[]) + s = unix_bind(host, 0); + else + s = unix_listen(host); +- } ++ } else ++ s = local_listen(host, uport, hints); ++ if (s < 0) ++ err(1, NULL); + + # if defined(TLS) + if (usetls) { +@@ -721,13 +724,6 @@ main(int argc, char *argv[]) + # endif + /* Allow only one connection at a time, but stay alive. */ + for (;;) { +- if (family != AF_UNIX) { +- if (s != -1) +- close(s); +- s = local_listen(host, uport, hints); +- } +- if (s < 0) +- err(1, NULL); + if (uflag && kflag) { + /* + * For UDP and -k, don't connect the socket, +@@ -804,8 +800,11 @@ main(int argc, char *argv[]) + err(1, "connect"); + } + +- if (!kflag) ++ if (!kflag) { ++ if (s != -1) ++ close(s); + break; ++ } + } + } else if (family == AF_UNIX) { + ret = 0; diff --git a/gnu/packages/patches/netcat-openbsd-set-TCP-MD5SIG-correctly-for-client-connections.patch b/gnu/packages/patches/netcat-openbsd-set-TCP-MD5SIG-correctly-for-client-connections.patch new file mode 100644 index 0000000000..b2e8c72ee3 --- /dev/null +++ b/gnu/packages/patches/netcat-openbsd-set-TCP-MD5SIG-correctly-for-client-connections.patch @@ -0,0 +1,101 @@ +From: Thomas Habets +Date: Sat, 18 Feb 2017 21:07:22 +0000 +Subject: Set TCP MD5SIG correctly for client connections + +--- + netcat.c | 31 ++++++++++++++++++++++++------- + 1 file changed, 24 insertions(+), 7 deletions(-) + +--- a/netcat.c ++++ b/netcat.c +@@ -46,6 +46,9 @@ + #ifdef __linux__ + # include + #endif ++#if defined(TCP_MD5SIG) && defined(TCP_MD5SIG_MAXKEYLEN) ++# include ++#endif + + #ifndef IPTOS_LOWDELAY + # define IPTOS_LOWDELAY 0x10 +@@ -175,6 +178,9 @@ FILE *Zflag; /* file to save peer ce + int Cflag = 0; /* CRLF line-ending */ + # endif + ++# if defined(TCP_MD5SIG) && defined(TCP_MD5SIG_MAXKEYLEN) ++char Sflag_password[TCP_MD5SIG_MAXKEYLEN]; ++# endif + int recvcount, recvlimit; + int timeout = -1; + int family = AF_UNSPEC; +@@ -205,7 +211,7 @@ int udptest(int); + int unix_bind(char *, int); + int unix_connect(char *); + int unix_listen(char *); +-void set_common_sockopts(int, int); ++void set_common_sockopts(int, const struct sockaddr *); + int process_tos_opt(char *, int *); + # if defined(TLS) + int process_tls_opt(char *, int *); +@@ -458,7 +464,10 @@ main(int argc, char *argv[]) + break; + # endif + case 'S': +-# if defined(TCP_MD5SIG) ++# if defined(TCP_MD5SIG) && defined(TCP_MD5SIG_MAXKEYLEN) ++ if (readpassphrase("TCP MD5SIG password: ", ++ Sflag_password, TCP_MD5SIG_MAXKEYLEN, RPP_REQUIRE_TTY) == NULL) ++ errx(1, "Unable to read TCP MD5SIG password"); + Sflag = 1; + # else + errx(1, "no TCP MD5 signature support available"); +@@ -1169,7 +1178,7 @@ remote_connect(const char *host, const c + freeaddrinfo(ares); + } + +- set_common_sockopts(s, res->ai_family); ++ set_common_sockopts(s, res->ai_addr); + char *proto = proto_name(uflag, dccpflag); + + if ((error = connect_with_timeout(s, res->ai_addr, res->ai_addrlen, timeout)) == CONNECTION_SUCCESS) +@@ -1323,7 +1332,7 @@ local_listen(const char *host, const cha + err(1, NULL); + # endif + +- set_common_sockopts(s, res->ai_family); ++ set_common_sockopts(s, res->ai_addr); + + if (bind(s, (struct sockaddr *)res->ai_addr, + res->ai_addrlen) == 0) +@@ -1855,9 +1864,10 @@ udptest(int s) + } + + void +-set_common_sockopts(int s, int af) ++set_common_sockopts(int s, const struct sockaddr* sa) + { + int x = 1; ++ int af = sa->sa_family; + + # if defined(SO_BROADCAST) + if (bflag) { +@@ -1868,10 +1878,17 @@ set_common_sockopts(int s, int af) + err(1, NULL); + } + # endif +-# if defined(TCP_MD5SIG) ++# if defined(TCP_MD5SIG) && defined(TCP_MD5SIG_MAXKEYLEN) + if (Sflag) { ++ struct tcp_md5sig sig; ++ memset(&sig, 0, sizeof(sig)); ++ memcpy(&sig.tcpm_addr, sa, sizeof(struct sockaddr_storage)); ++ sig.tcpm_keylen = TCP_MD5SIG_MAXKEYLEN < strlen(Sflag_password) ++ ? TCP_MD5SIG_MAXKEYLEN ++ : strlen(Sflag_password); ++ strlcpy(sig.tcpm_key, Sflag_password, sig.tcpm_keylen); + if (setsockopt(s, IPPROTO_TCP, TCP_MD5SIG, +- &x, sizeof(x)) == -1) ++ &sig, sizeof(sig)) == -1) + err(1, NULL); + } + # endif diff --git a/gnu/packages/patches/netcat-openbsd-udp-scan-timeout.patch b/gnu/packages/patches/netcat-openbsd-udp-scan-timeout.patch new file mode 100644 index 0000000000..78f8687fd8 --- /dev/null +++ b/gnu/packages/patches/netcat-openbsd-udp-scan-timeout.patch @@ -0,0 +1,56 @@ +From: Aron Xu +Date: Mon, 13 Feb 2012 15:29:37 +0800 +Subject: udp scan timeout + +--- + netcat.c | 23 +++++++++++++++-------- + 1 file changed, 15 insertions(+), 8 deletions(-) + +--- a/netcat.c ++++ b/netcat.c +@@ -129,6 +129,8 @@ + #define CONNECTION_FAILED 1 + #define CONNECTION_TIMEOUT 2 + ++#define UDP_SCAN_TIMEOUT 3 /* Seconds */ ++ + /* Command Line Options */ + int dflag; /* detached, no stdin */ + int Fflag; /* fdpass sock to stdout */ +@@ -822,7 +824,7 @@ main(int argc, char *argv[]) + continue; + + ret = 0; +- if (vflag || zflag) { ++ if (vflag) { + /* For UDP, make sure we are connected. */ + if (uflag) { + if (udptest(s) == -1) { +@@ -1767,15 +1769,20 @@ build_ports(char *p) + int + udptest(int s) + { +- int i, ret; ++ int i, t; + +- for (i = 0; i <= 3; i++) { +- if (write(s, "X", 1) == 1) +- ret = 1; +- else +- ret = -1; ++ if ((write(s, "X", 1) != 1) || ++ ((write(s, "X", 1) != 1) && (errno == ECONNREFUSED))) ++ return -1; ++ ++ /* Give the remote host some time to reply. */ ++ for (i = 0, t = (timeout == -1) ? UDP_SCAN_TIMEOUT : (timeout / 1000); ++ i < t; i++) { ++ sleep(1); ++ if ((write(s, "X", 1) != 1) && (errno == ECONNREFUSED)) ++ return -1; + } +- return ret; ++ return 1; + } + + void diff --git a/gnu/packages/patches/netcat-openbsd-use-flags-to-specify-listen-address.patch b/gnu/packages/patches/netcat-openbsd-use-flags-to-specify-listen-address.patch new file mode 100644 index 0000000000..e301f4c580 --- /dev/null +++ b/gnu/packages/patches/netcat-openbsd-use-flags-to-specify-listen-address.patch @@ -0,0 +1,106 @@ +From: Guilhem Moulin +Date: Mon, 22 Oct 2018 04:50:54 +0200 +Subject: use -s/-p flags to specify listen address + +--- + nc.1 | 18 ++++++++++++++---- + netcat.c | 49 +++++++++++++++++++++++++++++-------------------- + 2 files changed, 43 insertions(+), 24 deletions(-) + +--- a/nc.1 ++++ b/nc.1 +@@ -143,8 +143,20 @@ multiple hosts. + .It Fl l + Listen for an incoming connection rather than initiating a + connection to a remote host. +-Cannot be used together with any of the options +-.Fl psxz . ++The ++.Ar destination ++and ++.Ar port ++to listen on can be specified either as non-optional arguments, or with ++options ++.Fl s ++and ++.Fl p ++respectively. ++Cannot be used together with ++.Fl x ++or ++.Fl z . + Additionally, any timeouts specified with the + .Fl w + option are ignored. +@@ -194,8 +206,6 @@ For + datagram sockets, specifies the local temporary socket file + to create and use so that datagrams can be received. + Cannot be used together with +-.Fl l +-or + .Fl x . + .It Fl T Ar keyword + Change the IPv4 TOS/IPv6 traffic class value. +--- a/netcat.c ++++ b/netcat.c +@@ -509,31 +509,40 @@ main(int argc, char *argv[]) + # endif + + /* Cruft to make sure options are clean, and used properly. */ +- if (argv[0] && !argv[1] && family == AF_UNIX) { +-# if defined(IPPROTO_DCCP) && defined(SOCK_DCCP) +- if (dccpflag) +- errx(1, "cannot use -Z and -U"); +-# endif +- host = argv[0]; +- uport = NULL; +- } else if (!argv[0] && lflag) { +- if (sflag) +- errx(1, "cannot use -s and -l"); +- if (pflag) +- errx(1, "cannot use -p and -l"); +- if (zflag) +- errx(1, "cannot use -z and -l"); +- } else if (argv[0] && !argv[1]) { +- if (!lflag) +- usage(1); +- uport = &argv[0]; +- host = NULL; +- } else if (argv[0] && argv[1]) { ++ if (argc == 0 && lflag) { ++ uport = &pflag; ++ host = sflag; ++ } else if (argc == 1 && !pflag && !sflag) { ++ if (family == AF_UNIX) { ++ host = argv[0]; ++ uport = NULL; ++ } else if (lflag) { ++ host = NULL; ++ uport = argv; ++ } ++ } else if (argc >= 2) { ++ if (lflag && (pflag || sflag || argc > 2)) ++ usage(1); /* conflict */ + host = argv[0]; + uport = &argv[1]; + } else + usage(1); + ++ if (family == AF_UNIX) { ++# if defined(IPPROTO_DCCP) && defined(SOCK_DCCP) ++ if (dccpflag) ++ errx(1, "cannot use -Z and -U"); ++# endif ++ if (uport && *uport) ++ errx(1, "cannot use port with -U"); ++ if (!host) ++ errx(1, "missing socket pathname"); ++ } else if (!uport || !*uport) ++ errx(1, "missing port number"); ++ ++ if (lflag && zflag) ++ errx(1, "cannot use -z and -l"); ++ + # if defined(TLS) + if (usetls) { + if (Cflag && unveil(Cflag, "r") == -1) -- 2.24.0