/* WARNING: This file was generated by dkct. Changes you make here will be lost if dkct is run again! You should modify the original source and run dkct on it. Original source: dk-send.ctr */ /* Copyright (C) 2015-2017, Dirk Krause Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above opyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. * Neither the name of the author nor the names of contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /** @file dk-send.c The dk-send module. */ #line 10 "dk-send.ctr" #include "dk4conf.h" #if DK4_HAVE_MATH_H #ifndef MATH_H_INCLUDED #include #define MATH_H_INCLUDED 1 #endif #endif #if DK4_HAVE_IO_H #ifndef IO_H_INCLUDED #include #define IO_H_INCLUDED 1 #endif #endif #if DK4_HAVE_FCNTL_H #ifndef FCNTL_H_INCLUDED #include #define FCNTL_H_INCLUDED 1 #endif #endif #if DK4_HAVE_STRING_H #ifndef STRING_H_INCLUDED #include #define STRING_H_INCLUDED 1 #endif #endif #include "dk4app.h" #include "dk4aopt.h" #include "dk4socka.h" #include "dk4maidddu.h" #include "dk4mpl.h" #include "dk4vers.h" #include "dk4isadm.h" #include "dk4strd.h" #include "dk4strda.h" #include "dk4mem.h" #include "dk4mema.h" #include "dk4fopda.h" #include "dk4pathd.h" #line 58 "dk-send.ctr" /** Connected peer. */ typedef struct { dk4_sockaddr_storage_t peeraddr; /**< Peer address. */ dk4_um_t num; /**< Number of client. */ size_t peerlen; /**< Length of peer address. */ dk4_socket_t sock; /**< Socket for transfer. */ } dk_send_client_t; /** Constant texts used by the program, not localized. */ static const dkChar * const dk_send_kwnl[] = { /* 0 */ dkT("dktools"), /* 1 */ dkT("dk-send.txt"), /* 2 */ dkT("dk-send.str"), /* 3 */ dkT("unlimited"), /* 4 */ dkT("\\"), /* 5 */ dkT("rb"), NULL #line 101 "dk-send.ctr" }; /** Text used by the program, replaced by localized texts if found. */ static const dkChar * const dk_send_kw_def[] = { /* 0 */ dkT("Failed to set up signal handlers!"), /* 1 */ dkT("Failed to restore signal handlers!"), /* 2 */ dkT("stdin"), /* 3 */ dkT("Accepting incoming connection requests."), /* 4 */ dkT("Problem with peer address length!"), /* 5 */ dkT("Connected: "), /* 6 */ dkT("Rejected: "), /* 7 */ dkT("Starting data transfer."), /* 8 */ dkT("Finished data transfer."), /* 9 */ dkT("Disconnected: "), /* 10 */ dkT("Invalid number of clients \""), /* 11 */ dkT("\"!"), /* 12 */ dkT("Wrong number of command line arguments!"), /* 13 */ dkT("Aborted by INT signal!"), /* 14 */ dkT("Aborted by TERM signal!"), /* 15 */ dkT("Not a dk-send client: "), /* 16 */ dkT("Timeout too large!"), /* 17 */ dkT("Timeout must not be negative!"), /* 18 */ dkT("Timeout value not found!"), /* 19 */ dkT("Stop processing as all clients are disconnected!"), NULL #line 181 "dk-send.ctr" }; /** Short help text. */ static const dkChar * const dk_send_help_text[] = { dkT(""), dkT("Send file to one or multiple recipients (dk-recv processes)."), dkT(""), dkT("dk-send [] []"), dkT(""), dkT("Options:"), dkT("-n \t\t\tNumber of clients, ``unlimited'' or 0"), dkT("\t\t\t\tfor no limit."), dkT("-a
[/][,...]\tAllowed clients."), dkT("-l\t\t\t\tListen on local host ports only."), dkT("-b \t\t\tListen backlog (number of connection attempts"), dkT("\t\t\t\tto queue)."), dkT("-c \t\t\tTimeout for read attempt after establishing"), dkT("\t\t\t\ta new connection."), dkT("-p\t\t\t\tRunning as sink in a pipe (do not abort reading"), dkT("\t\t\t\tinput if all clients disconnected unexpectedly)."), dkT("--help\t\t\t\tShow this short help text."), dkT("--manual\t\t\t*** SHOW FULL MANUAL. ***"), dkT("--version\t\t\tShow version information."), dkT("--license\t\t\tShow license information."), dkT(""), NULL #line 211 "dk-send.ctr" }; /** License text. */ static const dkChar * const dk_send_license_text[] = { dkT("This software uses code from the following projects, either directly or as"), dkT("a library:"), dkT(""), dkT("dktools\t\tDirk Krause's tools and libraries."), dkT("\t\tSee http://dktools.sourceforge.net/ for more information."), #if DK4_HAVE_ZLIB_H dkT(""), dkT("zlib\t\tData compression library."), dkT("\t\tSee http://www.zlib.net/ for more information."), #endif #if DK4_HAVE_BZLIB_H dkT(""), dkT("bzip2\t\tData compression program and library."), dkT("\t\tSee http://www.bzip.org/ for more information."), #endif #if DK4_HAVE_OPENSSL_MD5_H && DK4_HAVE_OPENSSL_SHA_H && DK4_HAVE_OPENSSL_RIPEMD_H dkT(""), dkT("OpenSSL\t\tCryptographic toolkit, used to build file checksums here."), dkT("\t\tSee http://www.openssl.org/ for more information."), dkT(""), dkT("This product includes software developed by the OpenSSL Project for use in"), dkT("the OpenSSL Toolkit (http://www.openssl.org/)."), dkT("This product includes cryptographic software written by"), dkT("Eric Young (eay@cryptsoft.com)."), dkT("This product includes software written by Tim Hudson (tjh@cryptsoft.com)."), #endif dkT(""), dkT("All the licenses below apply to the program."), dkT("Licenses for used libraries are shown as found on my Scientific Linux 6.x"), dkT("computer in the /usr/share/doc directory on 2015-04-01. Check the project"), dkT("homepages of the used libraries for additional information and/or updated"), dkT("license terms."), dkT(""), dkT(""), dkT("DK tools and libraries license"), dkT("=============================="), dkT("Copyright (c) 2015-2016, Dirk Krause"), dkT("All rights reserved."), dkT(""), dkT("Redistribution and use in source and binary forms, with or without"), dkT("modification, are permitted provided that the following conditions are met:"), dkT(""), dkT("* Redistributions of source code must retain the above copyright notice,"), dkT(" this list of conditions and the following disclaimer."), dkT("* Redistributions in binary form must reproduce the above copyright"), dkT(" notice, this list of conditions and the following disclaimer in the"), dkT(" documentation and/or other materials provided with the distribution."), dkT("* Neither the name of the Dirk Krause nor the names of contributors may be"), dkT(" used to endorse or promote products derived from this software without"), dkT(" specific prior written permission."), dkT(""), dkT("THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS \"AS IS\""), dkT("AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE"), dkT("IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE"), dkT("ARE DISCLAIMED."), dkT(""), dkT("IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,"), dkT("INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,"), dkT("BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,"), dkT("DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY"), dkT("OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING"), dkT("NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,"), dkT("EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."), #if DK4_HAVE_ZLIB_H dkT(""), dkT(""), dkT("Zlib license"), dkT("============"), dkT("(C) 1995-2004 Jean-loup Gailly and Mark Adler"), dkT(""), dkT("This software is provided 'as-is', without any express or implied"), dkT("warranty. In no event will the authors be held liable for any damages"), dkT("arising from the use of this software."), dkT(""), dkT("Permission is granted to anyone to use this software for any purpose,"), dkT("including commercial applications, and to alter it and redistribute it"), dkT("freely, subject to the following restrictions:"), dkT(""), dkT("1. The origin of this software must not be misrepresented; you must not"), dkT(" claim that you wrote the original software. If you use this software"), dkT(" in a product, an acknowledgment in the product documentation would be"), dkT(" appreciated but is not required."), dkT("2. Altered source versions must be plainly marked as such, and must not be"), dkT(" misrepresented as being the original software."), dkT("3. This notice may not be removed or altered from any source distribution."), dkT(""), dkT("Jean-loup Gailly Mark Adler"), dkT("jloup@gzip.org madler@alumni.caltech.edu"), #endif #if DK4_HAVE_BZLIB_H dkT(""), dkT(""), dkT("Bzip2 and libbzip2 library license"), dkT("=================================="), dkT("This program, \"bzip2\", the associated library \"libbzip2\", and all"), dkT("documentation, are copyright (C) 1996-2007 Julian R Seward. All"), dkT("rights reserved."), dkT(""), dkT("Redistribution and use in source and binary forms, with or without"), dkT("modification, are permitted provided that the following conditions"), dkT("are met:"), dkT(""), dkT("1. Redistributions of source code must retain the above copyright"), dkT(" notice, this list of conditions and the following disclaimer."), dkT(""), dkT("2. The origin of this software must not be misrepresented; you must "), dkT(" not claim that you wrote the original software. If you use this "), dkT(" software in a product, an acknowledgment in the product "), dkT(" documentation would be appreciated but is not required."), dkT(""), dkT("3. Altered source versions must be plainly marked as such, and must"), dkT(" not be misrepresented as being the original software."), dkT(""), dkT("4. The name of the author may not be used to endorse or promote "), dkT(" products derived from this software without specific prior written "), dkT(" permission."), dkT(""), dkT("THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS"), dkT("OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED"), dkT("WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE"), dkT("ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY"), dkT("DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL"), dkT("DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE"), dkT("GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS"), dkT("INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,"), dkT("WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING"), dkT("NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS"), dkT("SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."), dkT(""), dkT("Julian Seward, jseward@bzip.org"), dkT("bzip2/libbzip2 version 1.0.5 of 10 December 2007"), #endif #if DK4_HAVE_OPENSSL_MD5_H && DK4_HAVE_OPENSSL_SHA_H && DK4_HAVE_OPENSSL_RIPEMD_H dkT(""), dkT(""), dkT("OpenSSL license"), dkT("==============="), dkT(""), dkT("LICENSE ISSUES"), dkT("--------------"), dkT(""), dkT("The OpenSSL toolkit stays under a dual license, i.e. both the conditions of"), dkT("the OpenSSL License and the original SSLeay license apply to the toolkit."), dkT("See below for the actual license texts. Actually both licenses are BSD-style"), dkT("Open Source licenses. In case of any license issues related to OpenSSL"), dkT("please contact openssl-core@openssl.org."), dkT(""), dkT("OpenSSL License"), dkT("---------------"), dkT(""), dkT("Copyright (c) 1998-2011 The OpenSSL Project. All rights reserved."), dkT(""), dkT("Redistribution and use in source and binary forms, with or without"), dkT("modification, are permitted provided that the following conditions"), dkT("are met:"), dkT(""), dkT("1. Redistributions of source code must retain the above copyright"), dkT(" notice, this list of conditions and the following disclaimer. "), dkT(""), dkT("2. Redistributions in binary form must reproduce the above copyright"), dkT(" notice, this list of conditions and the following disclaimer in"), dkT(" the documentation and/or other materials provided with the"), dkT(" distribution."), dkT(""), dkT("3. All advertising materials mentioning features or use of this"), dkT(" software must display the following acknowledgment:"), dkT(" \"This product includes software developed by the OpenSSL Project"), dkT(" for use in the OpenSSL Toolkit. (http://www.openssl.org/)\""), dkT(""), dkT("4. The names \"OpenSSL Toolkit\" and \"OpenSSL Project\" must not be used to"), dkT(" endorse or promote products derived from this software without"), dkT(" prior written permission. For written permission, please contact"), dkT(" openssl-core@openssl.org."), dkT(""), dkT("5. Products derived from this software may not be called \"OpenSSL\""), dkT(" nor may \"OpenSSL\" appear in their names without prior written"), dkT(" permission of the OpenSSL Project."), dkT(""), dkT("6. Redistributions of any form whatsoever must retain the following"), dkT(" acknowledgment:"), dkT(" \"This product includes software developed by the OpenSSL Project"), dkT(" for use in the OpenSSL Toolkit (http://www.openssl.org/)\""), dkT(""), dkT("THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY"), dkT("EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE"), dkT("IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR"), dkT("PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR"), dkT("ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,"), dkT("SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT"), dkT("NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;"), dkT("LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)"), dkT("HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,"), dkT("STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)"), dkT("ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED"), dkT("OF THE POSSIBILITY OF SUCH DAMAGE."), dkT(""), dkT("This product includes cryptographic software written by Eric Young"), dkT("(eay@cryptsoft.com). This product includes software written by Tim"), dkT("Hudson (tjh@cryptsoft.com)."), dkT(""), dkT(""), dkT("Original SSLeay License"), dkT("-----------------------"), dkT(""), dkT("Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)"), dkT("All rights reserved."), dkT(""), dkT("This package is an SSL implementation written"), dkT("by Eric Young (eay@cryptsoft.com)."), dkT("The implementation was written so as to conform with Netscapes SSL."), dkT(""), dkT("This library is free for commercial and non-commercial use as long as"), dkT("the following conditions are aheared to. The following conditions"), dkT("apply to all code found in this distribution, be it the RC4, RSA,"), dkT("lhash, DES, etc., code; not just the SSL code. The SSL documentation"), dkT("included with this distribution is covered by the same copyright terms"), dkT("except that the holder is Tim Hudson (tjh@cryptsoft.com)."), dkT(""), dkT("Copyright remains Eric Young's, and as such any Copyright notices in"), dkT("the code are not to be removed."), dkT("If this package is used in a product, Eric Young should be given attribution"), dkT("as the author of the parts of the library used."), dkT("This can be in the form of a textual message at program startup or"), dkT("in documentation (online or textual) provided with the package."), dkT(""), dkT("Redistribution and use in source and binary forms, with or without"), dkT("modification, are permitted provided that the following conditions"), dkT("are met:"), dkT("1. Redistributions of source code must retain the copyright"), dkT(" notice, this list of conditions and the following disclaimer."), dkT("2. Redistributions in binary form must reproduce the above copyright"), dkT(" notice, this list of conditions and the following disclaimer in the"), dkT(" documentation and/or other materials provided with the distribution."), dkT("3. All advertising materials mentioning features or use of this software"), dkT(" must display the following acknowledgement:"), dkT(" \"This product includes cryptographic software written by"), dkT(" Eric Young (eay@cryptsoft.com)\""), dkT(" The word 'cryptographic' can be left out if the rouines from the library"), dkT(" being used are not cryptographic related :-)."), dkT("4. If you include any Windows specific code (or a derivative thereof) from "), dkT(" the apps directory (application code) you must include an acknowledgement:"), dkT(" \"This product includes software written by Tim Hudson (tjh@cryptsoft.com)\""), dkT(""), dkT("THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND"), dkT("ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE"), dkT("IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE"), dkT("ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE"), dkT("FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL"), dkT("DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS"), dkT("OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)"), dkT("HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT"), dkT("LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY"), dkT("OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF"), dkT("SUCH DAMAGE."), dkT(""), dkT("The licence and distribution terms for any publically available version or"), dkT("derivative of this code cannot be changed. i.e. this code cannot simply be"), dkT("copied and put under another distribution licence"), dkT("[including the GNU Public Licence.]"), dkT(""), #endif dkT(""), NULL #line 482 "dk-send.ctr" }; /** Options for this program. */ static const dk4_option_specification_t dk_send_options[] = { { dkT('n'), dkT("number-of-clients"), DK4_OPT_ARG_STRING }, { dkT('a'), dkT("allow"), DK4_OPT_ARG_STRING }, { dkT('l'), dkT("local-only"), DK4_OPT_ARG_NONE }, { dkT('p'), dkT("pipe"), DK4_OPT_ARG_NONE }, { dkT('b'), dkT("backlog"), DK4_OPT_ARG_UNSIGNED }, { dkT('c'), dkT("connect-timeout"), DK4_OPT_ARG_DOUBLE } }; /** Buffer for sending. Initial value: 1460 */ #if DK4_SIZEOF_SIZE_T > 2 static char dk_send_buf[1048576]; #else static char dk_send_buf[16384]; #endif /** Application structure for diagnostics. */ static dk4_app_t *app = NULL; /** Localized texts or default texts. */ static const dkChar * const *dk_send_msg = dk_send_kw_def; /** Collection of allowed clients. */ static dk4_sto_t *s_allowed = NULL; /** Iterator through allowed clients collection. */ static dk4_sto_it_t *i_allowed = NULL; /** Number of expected clients. */ static dk4_um_t numclients = (dk4_um_t)1UL; /** Number of elements in the dk_send_msg array. */ static size_t dk_send_sz_msg = sizeof(dk_send_kw_def)/sizeof(DK4_PDKCHAR) - 1; /** Number of elements in the dk_send_options array. */ static size_t dk_send_sz_options = sizeof(dk_send_options)/sizeof(dk4_option_specification_t); /** Seconds for read timeout. */ static long dk_send_timeout_secs = 0L; /** Microseconds for read timeout. */ static long dk_send_timeout_usecs = 0L; /** Exit status code returned by the program. */ static int exval = EXIT_FAILURE; /** Flag: Running as pipe, avoid SIGPIPE. */ static int is_pipe = 0; /** Flag: Allow only connections from localhost. */ static int local_only = 0; /** Number of outstanding connection requests to queue. */ static int backlog = 10; #ifdef SIGPIPE /** Indicator: SIGPIPE signal received. */ static DK4_VOLATILE dk4_sig_atomic_t sig_had_pipe = 0; #endif /** Indicator: SIGINT signal received. */ static DK4_VOLATILE dk4_sig_atomic_t sig_had_int = 0; /** Indicator: SIGTERM signal received. */ static DK4_VOLATILE dk4_sig_atomic_t sig_had_term = 0; /** Pass a volatile pointer to an atomic integer. This function is necessary as some compilers mis-optimize direct access to volatile variables (at least if you believe one of the coding standards). @param ptr Address of atomic integer variable. @return The unmodified pointer. */ static DK4_VOLATILE dk4_sig_atomic_t * sig_pass_pointer(DK4_VOLATILE dk4_sig_atomic_t *ptr) { return ptr; } #ifdef SIGPIPE /** Handler for SIGPIPE signal. @param signo Signal number (always SIGPIPE, ignored). */ static void sig_handler_pipe(int signo) { *sig_pass_pointer(&sig_had_pipe) = 1; } #endif /** Handler for SIGINT signal. @param signo Signal number (always SIGINT, ignored). */ static void sig_handler_int(int signo) { *sig_pass_pointer(&sig_had_int) = 1; } /** Handler for SIGTERM signal. @param signo Signal number (always SIGTERM, ignored). */ static void sig_handler_term(int signo) { *sig_pass_pointer(&sig_had_term) = 1; } /** Read value from volatile atomic type. This function is necessary as some compilers mis-optimize direct access to volatile variables (at least if you believe one of the coding standards). @param ap Pointer to volatile atomic variable. @return Contents of the variable. */ static dk4_sig_atomic_t sig_read_atomic(DK4_VOLATILE dk4_sig_atomic_t *ap) { return (*ap); } /** Check whether we can continue or if a signal was received. @param check_pipe Flag: Check for occured SIGPIPE signal too. @return 1 if the program can continue, 0 if a signal was received. */ static int sig_can_continue(int check_pipe) { int back = 1; #ifdef SIGPIPE if (0 != check_pipe) { if (0 != sig_read_atomic(&sig_had_pipe)) { back = 0; } } #endif if (0 != sig_read_atomic(&sig_had_int )) { back = 0; } if (0 != sig_read_atomic(&sig_had_term)) { back = 0; } return back; } /** Check whether we can continue. @return 1 for yes, 0 for no. */ static int dk_send_can_continue(void) { int back = 1; #line 704 "dk-send.ctr" if (0 == sig_can_continue(0)) { back = 0; } #line 708 "dk-send.ctr" return back; } /** Compare two connected clients. @param l Left client. @param r Right client. @param cr Comparison criteria (ignored). @return 1 if l>r, 0 if l=r, -1 if lnum > pr->num) { back = 1; } else { if (pl->num < pr->num) { back = -1; } else { if (pl->sock > pr->sock) { back = 1; } else { if (pl->sock < pr->sock) { back = -1; } } } } } else { back = 1; } } else { if (NULL != r) { back= -1; } } return back; } /** Obtain information about allowed clients from string. @param argcpy Copy of string, can be modified. @return 1 on success, 0 on error. */ static int dk_send_get_allowed_clients(dkChar *argcpy) { dk4_allowed_peer_t peer; dk4_er_t er; dk4_allowed_peer_t *npeer = NULL; dkChar *pc = NULL; dkChar *pn = NULL; int back = 0; int res = 0; #line 770 "dk-send.ctr" s_allowed = dk4sto_open(NULL); if (NULL != s_allowed) { dk4sto_set_comp(s_allowed, dk4socket_allowed_peer_compare, 0); i_allowed = dk4sto_it_open(s_allowed, NULL); if (NULL != i_allowed) { back = 1; pc = argcpy; do { pn = dk4str_chr(pc, dkT(',')); if (NULL != pn) { *(pn++) = dkT('\0'); } DK4_MEMRES(&peer, sizeof(peer)); dk4error_init(&er); res = dk4socket_get_allowed_peer(&peer, pc, &er); if (DK4_SOCKET_RESULT_SUCCESS == res) { npeer = dk4mem_new_app(dk4_allowed_peer_t,1,app); if (NULL != npeer) { DK4_MEMCPY(npeer, &peer, sizeof(peer)); if (0 == dk4sto_add(s_allowed, npeer, NULL)) { /* ERROR: Memory */ dk4app_log_base1(app, DK4_LL_ERROR, 90); dk4mem_free(npeer); npeer = NULL; back = 0; } } else { /* ERROR: Memory, already reported */ back = 0; } } else { /* ERROR: Failed to obtain peer information from string */ dk4socket_log_simple_3( app, DK4_LL_ERROR, 141, 142, pc, &er ); back = 0; } pc = pn; } while ((NULL != pc) && (1 == back)); } else { /* ERROR: Memory */ dk4app_log_base1(app, DK4_LL_ERROR, 90); } } else { /* ERROR: Memory */ dk4app_log_base1(app, DK4_LL_ERROR, 90); } #line 816 "dk-send.ctr" return back; } static int dk_send_check_peer_address(dk4_sockaddr_storage_t *sasto, size_t soalen) { struct sockaddr *psoa; int back = 0; if (NULL != sasto) { psoa = (struct sockaddr *)sasto; switch (psoa->sa_family) { case AF_INET : { if (sizeof(struct sockaddr_in) == soalen) { back = 1; } } break; #if DK4_HAVE_STRUCT_SOCKADDR_IN6 && defined(AF_INET6) case AF_INET6 : { if (sizeof(struct sockaddr_in6) == soalen) { back = 1; } } break; #endif } } return back; } /** Accept incoming connections and transfer data. @param portname Port name to listen. @param infile Input file to read data from. @param filename Input file name. */ static void dk_send_do_networking( const dkChar *portname, FILE *infile, const dkChar *filename ) { dkChar peerbuf[1072]; const dkChar *msgparts[4]; fd_set rfds; dk4_sockaddr_storage_t sasto; struct sockaddr *psoa = NULL; dk4_socket_set_t *listeners = NULL; dk4_sto_t *s_clients = NULL; dk4_sto_it_t *i_clients = NULL; dk_send_client_t *pcl = NULL; char *bufstart; /* Start of remaining buf */ dk4_um_t numcl = (dk4_um_t)0UL; dk4_socket_t max = 0; /* Maximum socket number */ dk4_socket_t ncsock; /* New client socket */ size_t i; /* Traverse socket set */ size_t soalen; /* Socket address length */ size_t rdbytes; /* Bytes read from file */ size_t wrbytes; /* Bytes written to socket */ size_t wrpart; /* Bytes written in this part */ int cc; /* Flag: Can continue in loop */ int ccwr; /* Flag: Continue send loop */ int res; /* Operation result */ int allowed; /* Client from allowed peer */ int anya; /* Flag: Recipients alive */ unsigned char tra; #line 888 "dk-send.ctr" /* Create storage and iterator for connected clients. */ s_clients = dk4sto_open(NULL); if (NULL == s_clients) { /* ERROR: Memory */ dk4app_log_base1(app, DK4_LL_ERROR, 90); goto finished; } dk4sto_set_comp(s_clients, dk_send_compare_clients, 0); i_clients = dk4sto_it_open(s_clients, NULL); if (NULL == i_clients) { /* ERROR: Memory */ dk4app_log_base1(app, DK4_LL_ERROR, 90); goto finished; } /* Create listener socket set. */ listeners = dk4socket_set_service_app(portname, backlog, local_only, app); if (NULL == listeners) { goto finished; } /* Accept connection requests. */ /* PROGRESS: Accepting incoming connection requests */ dk4app_log_1(app, dk_send_msg, dk_send_sz_msg, DK4_LL_PROGRESS, 3); cc = 1; for (i = 0; i < listeners->szUsed; i++) { if (0 == i) { max = (listeners->pSockets)[i]; } else { if (max < (listeners->pSockets)[i]) { max = (listeners->pSockets)[i]; } } } while (1 == cc) { if (0 != dk_send_can_continue()) { /* Prepare read file descriptor set */ FD_ZERO(&rfds); for (i = 0; i < listeners->szUsed; i++) { FD_SET( (listeners->pSockets)[i], &rfds ); } res = select( (int)(max+1), &rfds, NULL, NULL, NULL ); if (0 < res) { for (i = 0; i < listeners->szUsed; i++) { if (FD_ISSET((listeners->pSockets)[i], &rfds)) { /* Accept connection request */ soalen = sizeof(sasto); ncsock = dk4socket_accept_app( (listeners->pSockets)[i],(struct sockaddr *)(&sasto),&soalen,app ); if (INVALID_SOCKET != ncsock) { allowed = 1; if ((NULL != s_allowed) && (NULL != i_allowed)) { #line 940 "dk-send.ctr" /* Check peer address */ if (0 != dk_send_check_peer_address(&sasto, soalen)) { if (NULL == dk4sto_it_find_like(i_allowed, &sasto, 1)) { allowed = 0; #line 944 "dk-send.ctr" } else { #line 945 "dk-send.ctr" } } else { #line 947 "dk-send.ctr" /* ERROR: Peer address length problem */ dk4app_log_1(app,dk_send_msg,dk_send_sz_msg,DK4_LL_ERROR,4); allowed = 0; } } else { #line 952 "dk-send.ctr" } if (1 == allowed) { pcl = dk4mem_new_app(dk_send_client_t,1,app); if (NULL != pcl) { pcl->num = numcl; pcl->sock = ncsock; DK4_MEMCPY( &(pcl->peeraddr), &sasto, sizeof(dk4_sockaddr_storage_t) ); pcl->peerlen = soalen; if (0 != dk4sto_add(s_clients, pcl, NULL)) { tra = 0x00; soalen = sizeof(tra); res = dk4socket_recv_app( ncsock, &tra, &soalen, 0, dk_send_timeout_secs, dk_send_timeout_usecs, app ); if (DK4_SOCKET_RESULT_SUCCESS == res) { if (0 < soalen) { numcl++; if (0x00 != tra) { cc = 0; i = listeners->szUsed; } if ((dk4_um_t)0UL < numclients) { if (numcl >= numclients) { cc = 0; i = listeners->szUsed; } } /* Simple message to stdout - accepted */ if (0 != dk4app_log_do(app, DK4_LL_PROGRESS)) { #line 984 "dk-send.ctr" psoa = (struct sockaddr *)(&sasto); res = dk4socket_addr_port_to_text( peerbuf, DK4_SIZEOF(peerbuf,dkChar), psoa->sa_family, (const struct sockaddr *)(&sasto), pcl->peerlen, NULL ); if (DK4_SOCKET_RESULT_SUCCESS == res) { #line 992 "dk-send.ctr" msgparts[0] = dk_send_msg[5]; msgparts[1] = peerbuf; dk4app_log_msg( app, DK4_LL_PROGRESS, msgparts, 2 ); #line 997 "dk-send.ctr" } else { #line 998 "dk-send.ctr" } } else { #line 1000 "dk-send.ctr" } } else { /* ERROR: Nothing was read from socket */ if (0 != dk4app_log_do(app, DK4_LL_DEBUG)) { psoa = (struct sockaddr *)(&sasto); res = dk4socket_addr_port_to_text( peerbuf, DK4_SIZEOF(peerbuf,dkChar), psoa->sa_family, (const struct sockaddr *)(&sasto), pcl->peerlen, NULL ); if (DK4_SOCKET_RESULT_SUCCESS == res) { msgparts[0] = dk_send_msg[15]; msgparts[1] = peerbuf; dk4app_log_msg( app, DK4_LL_DEBUG, msgparts, 2 ); } } dk4socket_close(pcl->sock, NULL); if (0 != dk4sto_remove(s_clients, pcl, NULL)) { dk4mem_free(pcl); } } } else { /* ERROR: Failed to read from socket */ if (0 != dk4app_log_do(app, DK4_LL_DEBUG)) { psoa = (struct sockaddr *)(&sasto); res = dk4socket_addr_port_to_text( peerbuf, DK4_SIZEOF(peerbuf,dkChar), psoa->sa_family, (const struct sockaddr *)(&sasto), pcl->peerlen, NULL ); if (DK4_SOCKET_RESULT_SUCCESS == res) { msgparts[0] = dk_send_msg[15]; msgparts[1] = peerbuf; dk4app_log_msg( app, DK4_LL_DEBUG, msgparts, 2 ); } } dk4socket_close(pcl->sock, NULL); if (0 != dk4sto_remove(s_clients, pcl, NULL)) { dk4mem_free(pcl); } } } else { /* ERROR: Memory */ dk4app_log_base1(app, DK4_LL_ERROR, 90); cc = -1; i = listeners->szUsed; dk4socket_close(ncsock, NULL); dk4mem_free(pcl); } } else { cc = -1; i = listeners->szUsed; dk4socket_close(ncsock, NULL); } } else { /* ERROR: Denied - Simple message to stdout */ if (0 != dk4app_log_do(app, DK4_LL_DEBUG)) { psoa = (struct sockaddr *)(&sasto); res = dk4socket_addr_port_to_text( peerbuf, DK4_SIZEOF(peerbuf,dkChar), psoa->sa_family, (const struct sockaddr *)(&sasto), soalen, NULL ); if (DK4_SOCKET_RESULT_SUCCESS == res) { msgparts[0] = dk_send_msg[6]; msgparts[1] = peerbuf; dk4app_log_msg( app, DK4_LL_DEBUG, msgparts, 2 ); } } dk4socket_close(ncsock, NULL); } } else { /* Accept failed */ if (0 == dk_send_can_continue()) { cc = -1; } } } } } else { if (0 == dk_send_can_continue()) { cc = -1; } } } else { cc = -1; } } if (0 != cc) { goto finished; } /* All preparations succeeded. */ exval = EXIT_SUCCESS; /* Transfer data. */ dk4socket_set_close(listeners, NULL); listeners = NULL; /* PROGRESS: Starting data transfer */ dk4app_log_1(app, dk_send_msg, dk_send_sz_msg, DK4_LL_PROGRESS, 7); cc = 1; anya = 1; while ((1 == cc) && ((0 != anya) || (0 != is_pipe))) { if (0 != dk_send_can_continue()) { rdbytes = fread(dk_send_buf, 1, sizeof(dk_send_buf), infile); if (0 < rdbytes) { #line 1111 "dk-send.ctr" anya = 0; dk4sto_it_reset(i_clients); do { pcl = (dk_send_client_t *)dk4sto_it_next(i_clients); if (NULL != pcl) { if (INVALID_SOCKET != pcl->sock) { #line 1117 "dk-send.ctr" bufstart = dk_send_buf; wrbytes = 0; ccwr = 1; do { if (0 != dk_send_can_continue()) { wrpart = rdbytes - wrbytes; #line 1124 "dk-send.ctr" res = dk4socket_send_app( pcl->sock, bufstart, &wrpart, 0, 0L, 0L, app ); switch (res) { case DK4_SOCKET_RESULT_SUCCESS : case DK4_SOCKET_RESULT_IN_PROGRESS : { #line 1131 "dk-send.ctr" wrbytes += wrpart; #line 1133 "dk-send.ctr" if (wrbytes >= rdbytes) { ccwr = 0; #line 1135 "dk-send.ctr" } else { #line 1136 "dk-send.ctr" bufstart = &(bufstart[wrpart]); } } break; default : { #line 1140 "dk-send.ctr" /* ERROR: Failure on socket */ ccwr = -1; exval = EXIT_FAILURE; dk4socket_close(pcl->sock, NULL); pcl->sock = INVALID_SOCKET; if (0 != dk4app_log_do(app, DK4_LL_ERROR)) { psoa = (struct sockaddr *)(&(pcl->peeraddr)); res = dk4socket_addr_port_to_text( peerbuf, DK4_SIZEOF(peerbuf,dkChar), psoa->sa_family, (const struct sockaddr *)(&(pcl->peeraddr)), pcl->peerlen, NULL ); if (DK4_SOCKET_RESULT_SUCCESS == res) { msgparts[0] = dk_send_msg[9]; msgparts[1] = peerbuf; dk4app_log_msg( app, DK4_LL_ERROR, msgparts, 2 ); } } } break; } } else { ccwr = -1; } } while (1 == ccwr); if (0 == ccwr) { anya = 1; } #line 1172 "dk-send.ctr" } } if (0 == dk_send_can_continue()) { cc = -1; pcl = NULL; } } while (NULL != pcl); if (0 != feof(infile)) { cc = 0; } } else { cc = 0; } } else { cc = -1; } } if ((1 == cc) && (0 == anya)) { /* Warning: All clients disconnected */ dk4app_log_1(app, dk_send_msg, dk_send_sz_msg, DK4_LL_WARNING, 19); } /* PROGRESS: Finished data transfer */ dk4app_log_1(app, dk_send_msg, dk_send_sz_msg, DK4_LL_PROGRESS, 8); if (0 != cc) { exval = EXIT_FAILURE; goto finished; } /* Shut down all sockets. */ cc = 1; dk4sto_it_reset(i_clients); while (1 == cc) { if (0 != dk_send_can_continue()) { pcl = (dk_send_client_t *)dk4sto_it_next(i_clients); if (NULL != pcl) { if (INVALID_SOCKET != pcl->sock) { res = dk4socket_shutdown_app(pcl->sock, DK4_SOCKET_SHUT_WRITE, app); if (DK4_SOCKET_RESULT_SUCCESS != res) { exval = EXIT_FAILURE; dk4socket_close(pcl->sock, NULL); pcl->sock = INVALID_SOCKET; } } } else { cc = 0; } } else { cc = -1; } } /* For orderly release read from sockets until we have 0 bytes input. */ dk4sto_it_reset(i_clients); do { if (0 != dk_send_can_continue()) { pcl = (dk_send_client_t *)dk4sto_it_next(i_clients); if (NULL != pcl) { cc = 1; while (1 == cc) { rdbytes = sizeof(dk_send_buf); res = dk4socket_recv( pcl->sock, dk_send_buf, &rdbytes, 0, 0L, 0L, NULL ); if (DK4_SOCKET_RESULT_SUCCESS == res) { if (0 == rdbytes) { cc = 0; } } else { cc = 0; } if (0 == dk_send_can_continue()) { cc = 0; pcl = NULL; } } } } else { pcl = NULL; } } while (NULL != pcl); /* Finally clean up. */ finished: /* Close the connection sockets */ if ((NULL != i_clients) && (NULL != s_clients)) { dk4sto_it_reset(i_clients); do { pcl = (dk_send_client_t *)dk4sto_it_next(i_clients); if (NULL != pcl) { if (INVALID_SOCKET != pcl->sock) { dk4socket_close(pcl->sock, NULL); } } } while (NULL != pcl); } /* Close listener socket set */ if (NULL != listeners) { dk4socket_set_close(listeners, NULL); } /* Clean up connection container and iterator */ if (NULL != i_clients) { dk4sto_it_reset(i_clients); do { pcl = (dk_send_client_t *)dk4sto_it_next(i_clients); if (NULL != pcl) { dk4mem_free(pcl); } } while (NULL != pcl); dk4sto_it_close(i_clients); } if (NULL != s_clients) { dk4sto_close(s_clients); } #line 1289 "dk-send.ctr" } /** Process command line arguments, and continue. @param portname Port name to listen. @param infile Input file to read data from. @param filename Input file name. */ static void dk_send_process_cmdline_args( const dkChar *portname, FILE *infile, const dkChar *filename ) { const dkChar *argptr = NULL; const dkChar *endptr = NULL; const dkChar *argval = NULL; dkChar *argcpy = NULL; dk4_allowed_peer_t *ppeer; double timeout = 0.0; double td1 = 0.0; double td2 = 0.0; dk4_um_t um = (dk4_um_t)0UL; int res = 0; #line 1317 "dk-send.ctr" /* Check whether to allow local connections only. */ if (0 != dk4app_opt_is_set_short(app, dkT('l'), NULL)) { local_only = 1; } if (0 != dk4app_opt_is_set_short(app, dkT('p'), NULL)) { is_pipe = 1; } /* Set up backlog */ if (0 != dk4app_opt_is_set_short(app, dkT('b'), NULL)) { if (0 != dk4app_opt_get_unsigned_short(&um, app, dkT('b'), NULL)) { if ((dk4_um_t)(INT_MAX) >= um) { if ((dk4_um_t)0UL < um) { backlog = (int)um; } else { backlog = 1; } } else { backlog = INT_MAX; } } else { /* ERROR: Not an unsigned number, must not happen */ goto finished; } } /* Find timeout settings. */ if (0 != dk4app_opt_is_set_short(app, dkT('c'), NULL)) { if (0 != dk4app_opt_get_double_short(&timeout, app, dkT('c'), NULL)) { if (0.0 <= timeout) { td1 = floor(timeout); td2 = timeout - td1; td2 = td2 * 1000000.0; if ((double)(LONG_MAX) >= td1) { dk_send_timeout_secs = (long)td1; dk_send_timeout_usecs = (long)td2; } else { /* ERROR: Timeout value too large! */ dk4app_log_1(app, dk_send_msg, dk_send_sz_msg, DK4_LL_ERROR, 16); goto finished; } } else { /* ERROR: Can not use negative timeout */ dk4app_log_1(app, dk_send_msg, dk_send_sz_msg, DK4_LL_ERROR, 17); goto finished; } } else { /* ERROR: Not timeout value found */ dk4app_log_1(app, dk_send_msg, dk_send_sz_msg, DK4_LL_ERROR, 18); goto finished; } } /* Find number of clients. */ if (0 != dk4app_opt_is_set_short(app, dkT('n'), NULL)) { argval = dk4app_opt_get_string_ptr_short(app, dkT('n'), NULL); if (dk4str_cmp(dk_send_kwnl[3], argval) == 0) { numclients = (dk4_um_t)0UL; } else { res = dk4ma_input_dk_dec_dk4_um_t( &numclients, argval, &endptr, 1, NULL ); if (0 == res) { /* ERROR: Invalid option argument */ dk4app_log_3( app, dk_send_msg, dk_send_sz_msg, DK4_LL_ERROR, 10, 11, argval ); goto finished; } } } #line 1389 "dk-send.ctr" /* Find allowed client addresses. */ if (0 != dk4app_opt_is_set_short(app, dkT('a'), NULL)) { argptr = dk4app_opt_get_string_ptr_short(app, dkT('a'), NULL); if (NULL == argptr) { /* ERROR: Failed to obtain Argument */ #line 1396 "dk-send.ctr" goto finished; } argcpy = dk4str_dup_app(argptr, app); if (NULL == argcpy) { goto finished; } if (0 == dk_send_get_allowed_clients(argcpy)) { goto finished; } } #line 1402 "dk-send.ctr" /* Do the network transmission. */ dk_send_do_networking(portname, infile, filename); #line 1406 "dk-send.ctr" /* Finally release resources. */ finished: if (NULL != argcpy) { dk4mem_free(argcpy); } if (NULL != s_allowed) { if (NULL != i_allowed) { dk4sto_it_reset(i_allowed); do { ppeer = (dk4_allowed_peer_t *)dk4sto_it_next(i_allowed); if (NULL != ppeer) { dk4mem_free(ppeer); } } while(NULL != ppeer); dk4sto_it_close(i_allowed); i_allowed = NULL; } dk4sto_close(s_allowed); s_allowed = NULL; } #line 1428 "dk-send.ctr" } /** Bring Winsock up before performing other steps. @param portname Port name to listen. @param infile Input file to read data from. @param filename Input file name. */ static void dk_send_run_for_file( const dkChar *portname, FILE *infile, const dkChar *filename ) { if (dk4socket_up_app(app)) { dk_send_process_cmdline_args(portname, infile, filename); dk4socket_down_app(app); } } /** Run for real file name. @param portname Port name. @param filename File name, no further expansion required. */ static void dk_send_run_for_real_file_name(const dkChar *portname, const dkChar *filename) { FILE *inf; int tests = DK4_FOPEN_SC_USER; if (dk4isadmin()) { tests = DK4_FOPEN_SC_PRIVILEGED; } inf = dk4fopen_app(filename, dk_send_kwnl[5], tests, app); if (NULL != inf) { dk_send_run_for_file(portname, inf, filename); fclose(inf); } } #if DK4_ON_WINDOWS /** Expand file name and run for file. @param portname Port name (first command line argument). @param filename File name pattern. */ static void dk_send_expand_filename(const dkChar *portname, const dkChar *filename) { dkChar buf[DK4_MAX_PATH]; dk4_dir_t *fne; const dkChar *fn; const dkChar *pt; size_t szbuf = DK4_SIZEOF(buf,dkChar); int copied = 0; fne = dk4app_fne_open(filename, app); if (NULL != fne) { fn = dk4dir_next_file(fne); if (NULL != fn) { pt = dk4dir_get_path(fne); if (NULL == dk4dir_next_file(fne)) { if (NULL != pt) { copied = 0; if (0 != dk4str_cpy_s(buf, szbuf, pt, NULL)) { if (0 != dk4str_cat_s(buf, szbuf, dk_send_kwnl[4], NULL)) { if (0 != dk4str_cat_s(buf, szbuf, fn, NULL)) { copied = 1; dk_send_run_for_real_file_name(portname, buf); } } } if (0 == copied) { /* ERROR: Path too long */ dk4app_log_base3(app, DK4_LL_ERROR, 98, 99, pt); } } else { dk_send_run_for_real_file_name(portname, fn); } } else { /* ERROR: Multiple matching files */ dk4app_log_base3(app, DK4_LL_ERROR, 100, 106, filename); } } else { /* ERROR: No such file */ dk4app_log_base3(app, DK4_LL_ERROR, 100, 107, filename); } dk4dir_close(fne); } } #endif static void dk_send_normal_run() { const dkChar *filename = NULL; int xargc = 0; #if DK4_ON_WINDOWS int oldmode = 0; #endif xargc = dk4app_get_argc(app); switch (xargc) { case 1: { #if DK4_ON_WINDOWS oldmode = _setmode(_fileno(stdin), _O_BINARY); #endif dk_send_run_for_file(dk4app_get_argv(app, 0), stdin, dk_send_msg[2]); #if DK4_ON_WINDOWS _setmode(_fileno(stdin), oldmode); #endif } break; case 2: { filename = dk4app_get_argv(app, 1); #if DK4_ON_WINDOWS if (dk4path_must_expand(filename)) { dk_send_expand_filename(dk4app_get_argv(app, 0), filename); } else { #endif dk_send_run_for_real_file_name(dk4app_get_argv(app, 0), filename); #if DK4_ON_WINDOWS } #endif } break; default : { /* ERROR: Wrong number of command line arguments */ dk4app_log_1(app, dk_send_msg, dk_send_sz_msg, DK4_LL_ERROR, 12); } break; } } #if DK4_HAVE_SIGACTION /** Set signal handlers and run. */ static void dk_send_run_with_signal_handlers(void) { #ifdef SIGPIPE struct sigaction opipe; #endif struct sigaction oint; #ifdef SIGPIPE struct sigaction npipe; #endif struct sigaction nint; struct sigaction oterm; struct sigaction nterm; int success = 0; #ifdef SIGPIPE /* Set up signal handling for SIGPIPE. */ DK4_MEMRES(&npipe, sizeof(npipe)); npipe.sa_handler = sig_handler_pipe; npipe.sa_flags = 0; if (0 != sigemptyset(&npipe.sa_mask)) { /* ERROR: Failed to set up masked signal set for SIGPIPE */ dk4app_log_1(app, dk_send_msg, dk_send_sz_msg, DK4_LL_ERROR, 0); goto finished; } if (0 != sigaddset(&npipe.sa_mask, SIGPIPE)) { /* ERROR: Failed to set up masked signal set for SIGPIPE */ dk4app_log_1(app, dk_send_msg, dk_send_sz_msg, DK4_LL_ERROR, 0); goto finished; } if (0 != sigaction(SIGPIPE, &npipe, &opipe)) { /* ERROR: Failed to set up signal handler for SIGPIPE */ dk4app_log_1(app, dk_send_msg, dk_send_sz_msg, DK4_LL_ERROR, 0); goto finished; } #endif /* Set up signal handling for SIGINT. */ DK4_MEMRES(&nint, sizeof(nint)); nint.sa_handler = sig_handler_int; nint.sa_flags = 0; if (0 != sigemptyset(&nint.sa_mask)) { /* ERROR: Failed to set up masked signal set for SIGINT */ dk4app_log_1(app, dk_send_msg, dk_send_sz_msg, DK4_LL_ERROR, 0); goto restore_old_pipe; } if (0 != sigaddset(&nint.sa_mask, SIGINT)) { /* ERROR: Failed to set up masked signal set for SIGINT */ dk4app_log_1(app, dk_send_msg, dk_send_sz_msg, DK4_LL_ERROR, 0); goto restore_old_pipe; } if (0 != sigaction(SIGINT, &nint, &oint)) { /* ERROR: Failed to set up signal handler for SIGINT */ dk4app_log_1(app, dk_send_msg, dk_send_sz_msg, DK4_LL_ERROR, 0); goto restore_old_pipe; } /* Set up signal handling for SIGTERM */ DK4_MEMRES(&nterm, sizeof(nterm)); nterm.sa_handler = sig_handler_term; nterm.sa_flags = 0; if (0 != sigemptyset(&nterm.sa_mask)) { /* ERROR: Failed to set up masked signal set for SIGTERM */ dk4app_log_1(app, dk_send_msg, dk_send_sz_msg, DK4_LL_ERROR, 0); goto restore_old_int; } if (0 != sigaddset(&nterm.sa_mask, SIGTERM)) { /* ERROR: Failed to set up masked signal set for SIGTERM */ dk4app_log_1(app, dk_send_msg, dk_send_sz_msg, DK4_LL_ERROR, 0); goto restore_old_int; } if (0 != sigaction(SIGTERM, &nterm, &oterm)) { /* ERROR: Failed to set up signal handler for SIGTERM */ dk4app_log_1(app, dk_send_msg, dk_send_sz_msg, DK4_LL_ERROR, 0); goto restore_old_int; } success = 1; dk_send_normal_run(); /* Restore signal handling for SIGTERM. */ if (0 != sigaction(SIGTERM, &oterm, NULL)) { /* ERROR: Failed to restore old SIGTERM settings */ dk4app_log_1(app, dk_send_msg, dk_send_sz_msg, DK4_LL_ERROR, 1); success = 0; } /* Restore signal handling for SIGINT. */ restore_old_int: if (0 != sigaction(SIGINT, &oint, NULL)) { /* ERROR: Failed to restore old SIGPIPE settings */ dk4app_log_1(app, dk_send_msg, dk_send_sz_msg, DK4_LL_ERROR, 1); success = 0; } #ifdef SIGPIPE /* Restore signal handling for SIGPIPE. */ restore_old_pipe: if (0 != sigaction(SIGPIPE, &opipe, NULL)) { /* ERROR: Failed to restore old SIGPIPE settings */ dk4app_log_1(app, dk_send_msg, dk_send_sz_msg, DK4_LL_ERROR, 1); success = 0; } #endif /* Set exit status code if error occured. */ finished: if (0 == success) { exval = EXIT_FAILURE; } } #else #if DK4_HAVE_SIGSET /** Set signal handlers and run. */ static void dk_send_run_with_signal_handlers(void) { #ifdef SIGPIPE dk4_sig_handler_t *oldpipe = NULL; #endif dk4_sig_handler_t *oldint = NULL; dk4_sig_handler_t *oldterm = NULL; #ifdef SIGPIPE oldpipe = sigset(SIGPIPE, sig_handler_pipe); #endif oldint = sigset(SIGINT, sig_handler_int); oldterm = sigset(SIGTERM, sig_handler_term); dk_send_normal_run(); sigset(SIGTERM, oldterm); sigset(SIGINT, oldint); #ifdef SIGPIPE sigset(SIGPIPE, oldpipe); #endif } #else #if DK4_HAVE_SIGNAL /** Set signal handlers and run. */ static void dk_send_run_with_signal_handlers(void) { #ifdef SIGPIPE dk4_sig_handler_t *oldpipe = NULL; #endif dk4_sig_handler_t *oldint = NULL; dk4_sig_handler_t *oldterm = NULL; #ifdef SIGPIPE oldpipe = signal(SIGPIPE, sig_handler_pipe); #endif oldint = signal(SIGINT, sig_handler_int); oldterm = signal(SIGTERM, sig_handler_term); dk_send_normal_run(); signal(SIGTERM, oldterm); signal(SIGINT, oldint); #ifdef SIGPIPE signal(SIGPIPE, oldpipe); #endif } #else /** Set signal handlers and run. */ static void dk_send_run_with_signal_handlers(void) { dk_send_normal_run(); } #endif #endif #endif /** Main function. @param argc Number of command line arguments. @param argv Command line arguments array. @return 0 on success, all other values indicate errors. */ #if DK4_CHAR_SIZE > 1 int wmain(int argc, wchar_t *argv[]) #else int main(int argc, char *argv[]) #endif { #line 1769 "dk-send.ctr" #line 1770 "dk-send.ctr" app = dk4app_open_cmd( argc, argv, dk_send_options, dk_send_sz_options, dk_send_kwnl[0], DKT_VERSION_DK, dk_send_kwnl[1], dk_send_help_text, dk_send_license_text ); if (NULL != app) { dk_send_sz_msg = dk4app_string_table_size(dk_send_kw_def); dk_send_msg = dk4app_string_table(app, dk_send_kwnl[2], dk_send_kw_def); if (0 != dk4app_can_run_normally(app)) { dk_send_run_with_signal_handlers(); } else { if (0 != dk4app_help_version_license(app)) { exval = EXIT_SUCCESS; } } if (0 != sig_read_atomic(&sig_had_int)) { /* ERROR: INT signal */ dk4app_log_1(app, dk_send_msg, dk_send_sz_msg, DK4_LL_ERROR, 13); exval = EXIT_FAILURE; } if (0 != sig_read_atomic(&sig_had_term)) { /* ERROR: TERM signal */ dk4app_log_1(app, dk_send_msg, dk_send_sz_msg, DK4_LL_ERROR, 14); exval = EXIT_FAILURE; } #ifdef SIGPIPE if (0 != sig_read_atomic(&sig_had_pipe)) { exval = EXIT_FAILURE; } #endif dk4app_close(app); } #line 1803 "dk-send.ctr" #line 1804 "dk-send.ctr" exit(exval); return exval; }