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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-03-09 13:19:48 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-03-09 13:20:02 +0000
commit58daab21cd043e1dc37024a7f99b396788372918 (patch)
tree96771e43bb69f7c1c2b0b4f7374cb74d7866d0cb /fluent-bit/lib/c-ares-1.19.1/src/tools
parentReleasing debian version 1.43.2-1. (diff)
downloadnetdata-58daab21cd043e1dc37024a7f99b396788372918.tar.xz
netdata-58daab21cd043e1dc37024a7f99b396788372918.zip
Merging upstream version 1.44.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'fluent-bit/lib/c-ares-1.19.1/src/tools')
-rw-r--r--fluent-bit/lib/c-ares-1.19.1/src/tools/CMakeLists.txt55
-rw-r--r--fluent-bit/lib/c-ares-1.19.1/src/tools/Makefile.am38
-rw-r--r--fluent-bit/lib/c-ares-1.19.1/src/tools/Makefile.in953
-rw-r--r--fluent-bit/lib/c-ares-1.19.1/src/tools/Makefile.inc7
-rw-r--r--fluent-bit/lib/c-ares-1.19.1/src/tools/acountry.c655
-rw-r--r--fluent-bit/lib/c-ares-1.19.1/src/tools/adig.c988
-rw-r--r--fluent-bit/lib/c-ares-1.19.1/src/tools/ahost.c228
-rw-r--r--fluent-bit/lib/c-ares-1.19.1/src/tools/ares_getopt.c122
-rw-r--r--fluent-bit/lib/c-ares-1.19.1/src/tools/ares_getopt.h53
9 files changed, 3099 insertions, 0 deletions
diff --git a/fluent-bit/lib/c-ares-1.19.1/src/tools/CMakeLists.txt b/fluent-bit/lib/c-ares-1.19.1/src/tools/CMakeLists.txt
new file mode 100644
index 000000000..0c44216fc
--- /dev/null
+++ b/fluent-bit/lib/c-ares-1.19.1/src/tools/CMakeLists.txt
@@ -0,0 +1,55 @@
+IF (CARES_BUILD_TOOLS)
+ # Transform Makefile.inc
+ transform_makefile_inc("Makefile.inc" "${PROJECT_BINARY_DIR}/src/tools/Makefile.inc.cmake")
+ include(${PROJECT_BINARY_DIR}/src/tools/Makefile.inc.cmake)
+
+ # Build ahost
+ ADD_EXECUTABLE (ahost ahost.c ${SAMPLESOURCES})
+ TARGET_INCLUDE_DIRECTORIES (ahost
+ PUBLIC "$<BUILD_INTERFACE:${PROJECT_BINARY_DIR}>"
+ "$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}>"
+ "$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/src/lib>"
+ "$<BUILD_INTERFACE:${CARES_TOPLEVEL_DIR}/include>"
+ "$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>"
+ PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}"
+ )
+ TARGET_COMPILE_DEFINITIONS (ahost PRIVATE HAVE_CONFIG_H=1)
+ TARGET_LINK_LIBRARIES (ahost PRIVATE ${PROJECT_NAME})
+ IF (CARES_INSTALL)
+ INSTALL (TARGETS ahost COMPONENT Tools ${TARGETS_INST_DEST})
+ ENDIF ()
+
+
+ # Build adig
+ ADD_EXECUTABLE (adig adig.c ${SAMPLESOURCES})
+ TARGET_INCLUDE_DIRECTORIES (adig
+ PUBLIC "$<BUILD_INTERFACE:${PROJECT_BINARY_DIR}>"
+ "$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}>"
+ "$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/src/lib>"
+ "$<BUILD_INTERFACE:${CARES_TOPLEVEL_DIR}/include>"
+ "$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>"
+ PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}"
+ )
+ TARGET_COMPILE_DEFINITIONS (adig PRIVATE HAVE_CONFIG_H=1)
+ TARGET_LINK_LIBRARIES (adig PRIVATE ${PROJECT_NAME})
+ IF (CARES_INSTALL)
+ INSTALL (TARGETS adig COMPONENT Tools ${TARGETS_INST_DEST})
+ ENDIF ()
+
+
+ # Build acountry
+ ADD_EXECUTABLE (acountry acountry.c ${SAMPLESOURCES})
+ TARGET_INCLUDE_DIRECTORIES (acountry
+ PUBLIC "$<BUILD_INTERFACE:${PROJECT_BINARY_DIR}>"
+ "$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}>"
+ "$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/src/lib>"
+ "$<BUILD_INTERFACE:${CARES_TOPLEVEL_DIR}/include>"
+ "$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>"
+ PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}"
+ )
+ TARGET_COMPILE_DEFINITIONS (acountry PRIVATE HAVE_CONFIG_H=1)
+ TARGET_LINK_LIBRARIES (acountry PRIVATE ${PROJECT_NAME})
+ IF (CARES_INSTALL)
+ INSTALL (TARGETS acountry COMPONENT Tools ${TARGETS_INST_DEST})
+ ENDIF ()
+ENDIF ()
diff --git a/fluent-bit/lib/c-ares-1.19.1/src/tools/Makefile.am b/fluent-bit/lib/c-ares-1.19.1/src/tools/Makefile.am
new file mode 100644
index 000000000..2ea6376f6
--- /dev/null
+++ b/fluent-bit/lib/c-ares-1.19.1/src/tools/Makefile.am
@@ -0,0 +1,38 @@
+AUTOMAKE_OPTIONS = foreign subdir-objects nostdinc 1.9.6
+PROGS = ahost adig acountry
+
+EXTRA_DIST = CMakeLists.txt Makefile.inc
+
+noinst_PROGRAMS =$(PROGS)
+
+# Specify our include paths here, and do it relative to $(top_srcdir) and
+# $(top_builddir), to ensure that these paths which belong to the library
+# being currently built and tested are searched before the library which
+# might possibly already be installed in the system.
+
+AM_CPPFLAGS = -I$(top_builddir)/include \
+ -I$(top_builddir)/src/lib \
+ -I$(top_srcdir)/include \
+ -I$(top_srcdir)/src/lib
+
+if USE_CPPFLAG_CARES_STATICLIB
+AM_CPPFLAGS += $(CPPFLAG_CARES_STATICLIB)
+endif
+
+include Makefile.inc
+
+# We're not interested in code coverage of the test apps themselves, but need
+# to link with gcov if building with code coverage enabled
+LDADD = $(top_builddir)/src/lib/libcares.la $(CODE_COVERAGE_LIBS)
+
+ahost_SOURCES = ahost.c $(SAMPLESOURCES) $(SAMPLEHEADERS)
+ahost_CFLAGS = $(AM_CFLAGS)
+ahost_CPPFLAGS = $(AM_CPPFLAGS)
+
+adig_SOURCES = adig.c $(SAMPLESOURCES) $(SAMPLEHEADERS)
+adig_CFLAGS = $(AM_CFLAGS)
+adig_CPPFLAGS = $(AM_CPPFLAGS)
+
+acountry_SOURCES = acountry.c $(SAMPLESOURCES) $(SAMPLEHEADERS)
+acountry_CFLAGS = $(AM_CFLAGS)
+acountry_CPPFLAGS = $(AM_CPPFLAGS)
diff --git a/fluent-bit/lib/c-ares-1.19.1/src/tools/Makefile.in b/fluent-bit/lib/c-ares-1.19.1/src/tools/Makefile.in
new file mode 100644
index 000000000..9e64462d5
--- /dev/null
+++ b/fluent-bit/lib/c-ares-1.19.1/src/tools/Makefile.in
@@ -0,0 +1,953 @@
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+# @configure_input@
+
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+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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+
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+
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+ fi; \
+}
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+ $(top_srcdir)/m4/ax_require_defined.m4 \
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+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+ @$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+ if test -z '$(STRIP)'; then \
+ $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+ install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+ install; \
+ else \
+ $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+ install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+ "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+ fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+ -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+ -test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+ -rm -f ../lib/$(DEPDIR)/$(am__dirstamp)
+ -rm -f ../lib/$(am__dirstamp)
+
+maintainer-clean-generic:
+ @echo "This command is intended for maintainers to use"
+ @echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-noinstPROGRAMS \
+ mostlyclean-am
+
+distclean: distclean-am
+ -rm -f ../lib/$(DEPDIR)/acountry-ares_nowarn.Po
+ -rm -f ../lib/$(DEPDIR)/acountry-ares_strcasecmp.Po
+ -rm -f ../lib/$(DEPDIR)/adig-ares_nowarn.Po
+ -rm -f ../lib/$(DEPDIR)/adig-ares_strcasecmp.Po
+ -rm -f ../lib/$(DEPDIR)/ahost-ares_nowarn.Po
+ -rm -f ../lib/$(DEPDIR)/ahost-ares_strcasecmp.Po
+ -rm -f ./$(DEPDIR)/acountry-acountry.Po
+ -rm -f ./$(DEPDIR)/acountry-ares_getopt.Po
+ -rm -f ./$(DEPDIR)/adig-adig.Po
+ -rm -f ./$(DEPDIR)/adig-ares_getopt.Po
+ -rm -f ./$(DEPDIR)/ahost-ahost.Po
+ -rm -f ./$(DEPDIR)/ahost-ares_getopt.Po
+ -rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+ distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am:
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am:
+
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+ -rm -f ../lib/$(DEPDIR)/acountry-ares_nowarn.Po
+ -rm -f ../lib/$(DEPDIR)/acountry-ares_strcasecmp.Po
+ -rm -f ../lib/$(DEPDIR)/adig-ares_nowarn.Po
+ -rm -f ../lib/$(DEPDIR)/adig-ares_strcasecmp.Po
+ -rm -f ../lib/$(DEPDIR)/ahost-ares_nowarn.Po
+ -rm -f ../lib/$(DEPDIR)/ahost-ares_strcasecmp.Po
+ -rm -f ./$(DEPDIR)/acountry-acountry.Po
+ -rm -f ./$(DEPDIR)/acountry-ares_getopt.Po
+ -rm -f ./$(DEPDIR)/adig-adig.Po
+ -rm -f ./$(DEPDIR)/adig-ares_getopt.Po
+ -rm -f ./$(DEPDIR)/ahost-ahost.Po
+ -rm -f ./$(DEPDIR)/ahost-ares_getopt.Po
+ -rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+ mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am:
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-am clean \
+ clean-generic clean-libtool clean-noinstPROGRAMS cscopelist-am \
+ ctags ctags-am distclean distclean-compile distclean-generic \
+ distclean-libtool distclean-tags distdir dvi dvi-am html \
+ html-am info info-am install install-am install-data \
+ install-data-am install-dvi install-dvi-am install-exec \
+ install-exec-am install-html install-html-am install-info \
+ install-info-am install-man install-pdf install-pdf-am \
+ install-ps install-ps-am install-strip installcheck \
+ installcheck-am installdirs maintainer-clean \
+ maintainer-clean-generic mostlyclean mostlyclean-compile \
+ mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+ tags tags-am uninstall uninstall-am
+
+.PRECIOUS: Makefile
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/fluent-bit/lib/c-ares-1.19.1/src/tools/Makefile.inc b/fluent-bit/lib/c-ares-1.19.1/src/tools/Makefile.inc
new file mode 100644
index 000000000..7aea8e5f2
--- /dev/null
+++ b/fluent-bit/lib/c-ares-1.19.1/src/tools/Makefile.inc
@@ -0,0 +1,7 @@
+SAMPLESOURCES = ares_getopt.c \
+ ../lib/ares_nowarn.c \
+ ../lib/ares_strcasecmp.c
+
+SAMPLEHEADERS = ares_getopt.h \
+ ../lib/ares_nowarn.h \
+ ../lib/ares_strcasecmp.h
diff --git a/fluent-bit/lib/c-ares-1.19.1/src/tools/acountry.c b/fluent-bit/lib/c-ares-1.19.1/src/tools/acountry.c
new file mode 100644
index 000000000..00a6e67e1
--- /dev/null
+++ b/fluent-bit/lib/c-ares-1.19.1/src/tools/acountry.c
@@ -0,0 +1,655 @@
+/*
+ *
+ * IP-address/hostname to country converter.
+ *
+ * Problem; you want to know where IP a.b.c.d is located.
+ *
+ * Use ares_gethostbyname ("d.c.b.a.zz.countries.nerd.dk")
+ * and get the CNAME (host->h_name). Result will be:
+ * CNAME = zz<CC>.countries.nerd.dk with address 127.0.x.y (ver 1) or
+ * CNAME = <a.b.c.d>.zz.countries.nerd.dk with address 127.0.x.y (ver 2)
+ *
+ * The 2 letter country code is in <CC> and the ISO-3166 country
+ * number is in x.y (number = x*256 + y). Version 2 of the protocol is missing
+ * the <CC> number.
+ *
+ * Ref: http://countries.nerd.dk/more.html
+ *
+ * Written by G. Vanem <gvanem@yahoo.no> 2006, 2007
+ *
+ * NB! This program may not be big-endian aware.
+ *
+ * Permission to use, copy, modify, and distribute this
+ * software and its documentation for any purpose and without
+ * fee is hereby granted, provided that the above copyright
+ * notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting
+ * documentation, and that the name of M.I.T. not be used in
+ * advertising or publicity pertaining to distribution of the
+ * software without specific, written prior permission.
+ * M.I.T. makes no representations about the suitability of
+ * this software for any purpose. It is provided "as is"
+ * without express or implied warranty.
+ */
+
+#include "ares_setup.h"
+
+#ifdef HAVE_STRINGS_H
+#include <strings.h>
+#endif
+
+#if defined(WIN32) && !defined(WATT32)
+ #include <winsock.h>
+#else
+ #include <arpa/inet.h>
+ #include <netinet/in.h>
+ #include <netdb.h>
+#endif
+
+#include "ares.h"
+#include "ares_getopt.h"
+#include "ares_nowarn.h"
+
+#ifndef HAVE_STRDUP
+# include "ares_strdup.h"
+# define strdup(ptr) ares_strdup(ptr)
+#endif
+
+#ifndef HAVE_STRCASECMP
+# include "ares_strcasecmp.h"
+# define strcasecmp(p1,p2) ares_strcasecmp(p1,p2)
+#endif
+
+#ifndef HAVE_STRNCASECMP
+# include "ares_strcasecmp.h"
+# define strncasecmp(p1,p2,n) ares_strncasecmp(p1,p2,n)
+#endif
+
+#ifndef INADDR_NONE
+#define INADDR_NONE 0xffffffff
+#endif
+
+/* By using a double cast, we can get rid of the bogus warning of
+ * warning: cast from 'const struct sockaddr *' to 'const struct sockaddr_in6 *' increases required alignment from 1 to 4 [-Wcast-align]
+ */
+#define CARES_INADDR_CAST(type, var) ((type)((void *)var))
+
+static const char *usage = "acountry [-?hdv] {host|addr} ...\n";
+static const char nerd_fmt[] = "%u.%u.%u.%u.zz.countries.nerd.dk";
+static const char *nerd_ver1 = nerd_fmt + 14; /* .countries.nerd.dk */
+static const char *nerd_ver2 = nerd_fmt + 11; /* .zz.countries.nerd.dk */
+static int verbose = 0;
+
+#define TRACE(fmt) do { \
+ if (verbose > 0) \
+ printf fmt ; \
+ } WHILE_FALSE
+
+static void wait_ares(ares_channel channel);
+static void callback(void *arg, int status, int timeouts, struct hostent *host);
+static void callback2(void *arg, int status, int timeouts, struct hostent *host);
+static void find_country_from_cname(const char *cname, struct in_addr addr);
+static void print_help_info_acountry(void);
+
+static void Abort(const char *fmt, ...)
+{
+ va_list args;
+ va_start(args, fmt);
+ vfprintf(stderr, fmt, args);
+ va_end(args);
+ exit(1);
+}
+
+int main(int argc, char **argv)
+{
+ ares_channel channel;
+ int ch, status;
+
+#if defined(WIN32) && !defined(WATT32)
+ WORD wVersionRequested = MAKEWORD(USE_WINSOCK,USE_WINSOCK);
+ WSADATA wsaData;
+ WSAStartup(wVersionRequested, &wsaData);
+#endif
+
+ status = ares_library_init(ARES_LIB_INIT_ALL);
+ if (status != ARES_SUCCESS)
+ {
+ fprintf(stderr, "ares_library_init: %s\n", ares_strerror(status));
+ return 1;
+ }
+
+ while ((ch = ares_getopt(argc, argv, "dvh?")) != -1)
+ switch (ch)
+ {
+ case 'd':
+#ifdef WATT32
+ dbug_init();
+#endif
+ break;
+ case 'v':
+ verbose++;
+ break;
+ case 'h':
+ print_help_info_acountry();
+ break;
+ case '?':
+ print_help_info_acountry();
+ break;
+ default:
+ Abort(usage);
+ }
+
+ argc -= optind;
+ argv += optind;
+ if (argc < 1)
+ Abort(usage);
+
+ status = ares_init(&channel);
+ if (status != ARES_SUCCESS)
+ {
+ fprintf(stderr, "ares_init: %s\n", ares_strerror(status));
+ return 1;
+ }
+
+ /* Initiate the queries, one per command-line argument. */
+ for ( ; *argv; argv++)
+ {
+ struct in_addr addr;
+ char *buf;
+
+ /* If this fails, assume '*argv' is a host-name that
+ * must be resolved first
+ */
+ if (ares_inet_pton(AF_INET, *argv, &addr) != 1)
+ {
+ ares_gethostbyname(channel, *argv, AF_INET, callback2, &addr);
+ wait_ares(channel);
+ if (addr.s_addr == INADDR_NONE)
+ {
+ printf("Failed to lookup %s\n", *argv);
+ continue;
+ }
+ }
+
+ buf = malloc(100);
+ sprintf(buf, nerd_fmt,
+ (unsigned int)(addr.s_addr >> 24),
+ (unsigned int)((addr.s_addr >> 16) & 255),
+ (unsigned int)((addr.s_addr >> 8) & 255),
+ (unsigned int)(addr.s_addr & 255));
+ TRACE(("Looking up %s...", buf));
+ fflush(stdout);
+ ares_gethostbyname(channel, buf, AF_INET, callback, buf);
+ }
+
+ wait_ares(channel);
+ ares_destroy(channel);
+
+ ares_library_cleanup();
+
+#if defined(WIN32) && !defined(WATT32)
+ WSACleanup();
+#endif
+
+ return 0;
+}
+
+/*
+ * Wait for the queries to complete.
+ */
+static void wait_ares(ares_channel channel)
+{
+ for (;;)
+ {
+ struct timeval *tvp, tv;
+ fd_set read_fds, write_fds;
+ int nfds;
+
+ FD_ZERO(&read_fds);
+ FD_ZERO(&write_fds);
+ nfds = ares_fds(channel, &read_fds, &write_fds);
+ if (nfds == 0)
+ break;
+ tvp = ares_timeout(channel, NULL, &tv);
+ nfds = select(nfds, &read_fds, &write_fds, NULL, tvp);
+ if (nfds < 0)
+ continue;
+ ares_process(channel, &read_fds, &write_fds);
+ }
+}
+
+/*
+ * This is the callback used when we have the IP-address of interest.
+ * Extract the CNAME and figure out the country-code from it.
+ */
+static void callback(void *arg, int status, int timeouts, struct hostent *host)
+{
+ const char *name = (const char*)arg;
+ const char *cname;
+ char buf[20];
+
+ (void)timeouts;
+
+ if (!host || status != ARES_SUCCESS)
+ {
+ printf("Failed to lookup %s: %s\n", name, ares_strerror(status));
+ free(arg);
+ return;
+ }
+
+ TRACE(("\nFound address %s, name %s\n",
+ ares_inet_ntop(AF_INET,(const char*)host->h_addr,buf,sizeof(buf)),
+ host->h_name));
+
+ cname = host->h_name; /* CNAME gets put here */
+ if (!cname)
+ printf("Failed to get CNAME for %s\n", name);
+ else
+ find_country_from_cname(cname, *(CARES_INADDR_CAST(struct in_addr *, host->h_addr)));
+ free(arg);
+}
+
+/*
+ * This is the callback used to obtain the IP-address of the host of interest.
+ */
+static void callback2(void *arg, int status, int timeouts, struct hostent *host)
+{
+ struct in_addr *addr = (struct in_addr*) arg;
+
+ (void)timeouts;
+ if (!host || status != ARES_SUCCESS)
+ memset(addr, INADDR_NONE, sizeof(*addr));
+ else
+ memcpy(addr, host->h_addr, sizeof(*addr));
+}
+
+struct search_list {
+ int country_number; /* ISO-3166 country number */
+ char short_name[3]; /* A2 short country code */
+ const char *long_name; /* normal country name */
+ };
+
+static const struct search_list *list_lookup(int number, const struct search_list *list, int num)
+{
+ while (num > 0 && list->long_name)
+ {
+ if (list->country_number == number)
+ return (list);
+ num--;
+ list++;
+ }
+ return (NULL);
+}
+
+/*
+ * Ref: https://en.wikipedia.org/wiki/ISO_3166-1
+ */
+static const struct search_list country_list[] = {
+ { 4, "af", "Afghanistan" },
+ { 248, "ax", "Ã…land Island" },
+ { 8, "al", "Albania" },
+ { 12, "dz", "Algeria" },
+ { 16, "as", "American Samoa" },
+ { 20, "ad", "Andorra" },
+ { 24, "ao", "Angola" },
+ { 660, "ai", "Anguilla" },
+ { 10, "aq", "Antarctica" },
+ { 28, "ag", "Antigua & Barbuda" },
+ { 32, "ar", "Argentina" },
+ { 51, "am", "Armenia" },
+ { 533, "aw", "Aruba" },
+ { 36, "au", "Australia" },
+ { 40, "at", "Austria" },
+ { 31, "az", "Azerbaijan" },
+ { 44, "bs", "Bahamas" },
+ { 48, "bh", "Bahrain" },
+ { 50, "bd", "Bangladesh" },
+ { 52, "bb", "Barbados" },
+ { 112, "by", "Belarus" },
+ { 56, "be", "Belgium" },
+ { 84, "bz", "Belize" },
+ { 204, "bj", "Benin" },
+ { 60, "bm", "Bermuda" },
+ { 64, "bt", "Bhutan" },
+ { 68, "bo", "Bolivia" },
+ { 535, "bq", "Bonaire, Sint Eustatius and Saba" }, /* Formerly 'Bonaire' / 'Netherlands Antilles' */
+ { 70, "ba", "Bosnia & Herzegovina" },
+ { 72, "bw", "Botswana" },
+ { 74, "bv", "Bouvet Island" },
+ { 76, "br", "Brazil" },
+ { 86, "io", "British Indian Ocean Territory" },
+ { 96, "bn", "Brunei Darussalam" },
+ { 100, "bg", "Bulgaria" },
+ { 854, "bf", "Burkina Faso" },
+ { 108, "bi", "Burundi" },
+ { 116, "kh", "Cambodia" },
+ { 120, "cm", "Cameroon" },
+ { 124, "ca", "Canada" },
+ { 132, "cv", "Cape Verde" },
+ { 136, "ky", "Cayman Islands" },
+ { 140, "cf", "Central African Republic" },
+ { 148, "td", "Chad" },
+ { 152, "cl", "Chile" },
+ { 156, "cn", "China" },
+ { 162, "cx", "Christmas Island" },
+ { 166, "cc", "Cocos Islands" },
+ { 170, "co", "Colombia" },
+ { 174, "km", "Comoros" },
+ { 178, "cg", "Congo" },
+ { 180, "cd", "Congo" },
+ { 184, "ck", "Cook Islands" },
+ { 188, "cr", "Costa Rica" },
+ { 384, "ci", "Cote d'Ivoire" },
+ { 191, "hr", "Croatia" },
+ { 192, "cu", "Cuba" },
+ { 531, "cw", "Curaçao" },
+ { 196, "cy", "Cyprus" },
+ { 203, "cz", "Czech Republic" },
+ { 208, "dk", "Denmark" },
+ { 262, "dj", "Djibouti" },
+ { 212, "dm", "Dominica" },
+ { 214, "do", "Dominican Republic" },
+ { 218, "ec", "Ecuador" },
+ { 818, "eg", "Egypt" },
+ { 222, "sv", "El Salvador" },
+ { 226, "gq", "Equatorial Guinea" },
+ { 232, "er", "Eritrea" },
+ { 233, "ee", "Estonia" },
+ { 748, "sz", "Eswatini" }, /* Formerly Swaziland */
+ { 231, "et", "Ethiopia" },
+ { 65281, "eu", "European Union" }, /* 127.0.255.1 */
+ { 238, "fk", "Falkland Islands" },
+ { 234, "fo", "Faroe Islands" },
+ { 242, "fj", "Fiji" },
+ { 246, "fi", "Finland" },
+ { 250, "fr", "France" },
+ { 249, "fx", "France, Metropolitan" },
+ { 254, "gf", "French Guiana" },
+ { 258, "pf", "French Polynesia" },
+ { 260, "tf", "French Southern Territories" },
+ { 266, "ga", "Gabon" },
+ { 270, "gm", "Gambia" },
+ { 268, "ge", "Georgia" },
+ { 276, "de", "Germany" },
+ { 288, "gh", "Ghana" },
+ { 292, "gi", "Gibraltar" },
+ { 300, "gr", "Greece" },
+ { 304, "gl", "Greenland" },
+ { 308, "gd", "Grenada" },
+ { 312, "gp", "Guadeloupe" },
+ { 316, "gu", "Guam" },
+ { 320, "gt", "Guatemala" },
+ { 831, "gg", "Guernsey" },
+ { 324, "gn", "Guinea" },
+ { 624, "gw", "Guinea-Bissau" },
+ { 328, "gy", "Guyana" },
+ { 332, "ht", "Haiti" },
+ { 334, "hm", "Heard & Mc Donald Islands" },
+ { 336, "va", "Holy See" }, /* Vatican City */
+ { 340, "hn", "Honduras" },
+ { 344, "hk", "Hong kong" },
+ { 348, "hu", "Hungary" },
+ { 352, "is", "Iceland" },
+ { 356, "in", "India" },
+ { 360, "id", "Indonesia" },
+ { 364, "ir", "Iran" },
+ { 368, "iq", "Iraq" },
+ { 372, "ie", "Ireland" },
+ { 833, "im", "Isle of Man" },
+ { 376, "il", "Israel" },
+ { 380, "it", "Italy" },
+ { 388, "jm", "Jamaica" },
+ { 392, "jp", "Japan" },
+ { 832, "je", "Jersey" },
+ { 400, "jo", "Jordan" },
+ { 398, "kz", "Kazakhstan" },
+ { 404, "ke", "Kenya" },
+ { 296, "ki", "Kiribati" },
+ { 408, "kp", "Korea (north)" },
+ { 410, "kr", "Korea (south)" },
+ { 0, "xk", "Kosovo" }, /* https://en.wikipedia.org/wiki/ISO_3166-1_alpha-2 */
+ { 414, "kw", "Kuwait" },
+ { 417, "kg", "Kyrgyzstan" },
+ { 418, "la", "Laos" },
+ { 428, "lv", "Latvia" },
+ { 422, "lb", "Lebanon" },
+ { 426, "ls", "Lesotho" },
+ { 430, "lr", "Liberia" },
+ { 434, "ly", "Libya" },
+ { 438, "li", "Liechtenstein" },
+ { 440, "lt", "Lithuania" },
+ { 442, "lu", "Luxembourg" },
+ { 446, "mo", "Macao" },
+ { 450, "mg", "Madagascar" },
+ { 454, "mw", "Malawi" },
+ { 458, "my", "Malaysia" },
+ { 462, "mv", "Maldives" },
+ { 466, "ml", "Mali" },
+ { 470, "mt", "Malta" },
+ { 584, "mh", "Marshall Islands" },
+ { 474, "mq", "Martinique" },
+ { 478, "mr", "Mauritania" },
+ { 480, "mu", "Mauritius" },
+ { 175, "yt", "Mayotte" },
+ { 484, "mx", "Mexico" },
+ { 583, "fm", "Micronesia" },
+ { 498, "md", "Moldova" },
+ { 492, "mc", "Monaco" },
+ { 496, "mn", "Mongolia" },
+ { 499, "me", "Montenegro" },
+ { 500, "ms", "Montserrat" },
+ { 504, "ma", "Morocco" },
+ { 508, "mz", "Mozambique" },
+ { 104, "mm", "Myanmar" },
+ { 516, "na", "Namibia" },
+ { 520, "nr", "Nauru" },
+ { 524, "np", "Nepal" },
+ { 528, "nl", "Netherlands" },
+ { 540, "nc", "New Caledonia" },
+ { 554, "nz", "New Zealand" },
+ { 558, "ni", "Nicaragua" },
+ { 562, "ne", "Niger" },
+ { 566, "ng", "Nigeria" },
+ { 570, "nu", "Niue" },
+ { 574, "nf", "Norfolk Island" },
+ { 807, "mk", "North Macedonia" }, /* 'Macedonia' until February 2019 */
+ { 580, "mp", "Northern Mariana Islands" },
+ { 578, "no", "Norway" },
+ { 512, "om", "Oman" },
+ { 586, "pk", "Pakistan" },
+ { 585, "pw", "Palau" },
+ { 275, "ps", "Palestinian Territory" },
+ { 591, "pa", "Panama" },
+ { 598, "pg", "Papua New Guinea" },
+ { 600, "py", "Paraguay" },
+ { 604, "pe", "Peru" },
+ { 608, "ph", "Philippines" },
+ { 612, "pn", "Pitcairn" },
+ { 616, "pl", "Poland" },
+ { 620, "pt", "Portugal" },
+ { 630, "pr", "Puerto Rico" },
+ { 634, "qa", "Qatar" },
+ { 638, "re", "Reunion" },
+ { 642, "ro", "Romania" },
+ { 643, "ru", "Russian Federation" },
+ { 646, "rw", "Rwanda" },
+ { 0, "bl", "Saint Barthélemy" }, /* https://en.wikipedia.org/wiki/ISO_3166-2:BL */
+ { 659, "kn", "Saint Kitts & Nevis" },
+ { 662, "lc", "Saint Lucia" },
+ { 663, "mf", "Saint Martin" },
+ { 670, "vc", "Saint Vincent" },
+ { 882, "ws", "Samoa" },
+ { 674, "sm", "San Marino" },
+ { 678, "st", "Sao Tome & Principe" },
+ { 682, "sa", "Saudi Arabia" },
+ { 686, "sn", "Senegal" },
+ { 688, "rs", "Serbia" },
+ { 690, "sc", "Seychelles" },
+ { 694, "sl", "Sierra Leone" },
+ { 702, "sg", "Singapore" },
+ { 534, "sx", "Sint Maarten" },
+ { 703, "sk", "Slovakia" },
+ { 705, "si", "Slovenia" },
+ { 90, "sb", "Solomon Islands" },
+ { 706, "so", "Somalia" },
+ { 710, "za", "South Africa" },
+ { 239, "gs", "South Georgia & South Sandwich Is." },
+ { 728, "ss", "South Sudan" },
+ { 724, "es", "Spain" },
+ { 144, "lk", "Sri Lanka" },
+ { 654, "sh", "St. Helena" },
+ { 666, "pm", "St. Pierre & Miquelon" },
+ { 736, "sd", "Sudan" },
+ { 740, "sr", "Suriname" },
+ { 744, "sj", "Svalbard & Jan Mayen Islands" },
+ { 752, "se", "Sweden" },
+ { 756, "ch", "Switzerland" },
+ { 760, "sy", "Syrian Arab Republic" },
+ { 158, "tw", "Taiwan" },
+ { 762, "tj", "Tajikistan" },
+ { 834, "tz", "Tanzania" },
+ { 764, "th", "Thailand" },
+ { 626, "tl", "Timor-Leste" },
+ { 768, "tg", "Togo" },
+ { 772, "tk", "Tokelau" },
+ { 776, "to", "Tonga" },
+ { 780, "tt", "Trinidad & Tobago" },
+ { 788, "tn", "Tunisia" },
+ { 792, "tr", "Turkey" },
+ { 795, "tm", "Turkmenistan" },
+ { 796, "tc", "Turks & Caicos Islands" },
+ { 798, "tv", "Tuvalu" },
+ { 800, "ug", "Uganda" },
+ { 804, "ua", "Ukraine" },
+ { 784, "ae", "United Arab Emirates" },
+ { 826, "gb", "United Kingdom" },
+ { 840, "us", "United States" },
+ { 581, "um", "United States Minor Outlying Islands" },
+ { 858, "uy", "Uruguay" },
+ { 860, "uz", "Uzbekistan" },
+ { 548, "vu", "Vanuatu" },
+ { 862, "ve", "Venezuela" },
+ { 704, "vn", "Vietnam" },
+ { 92, "vg", "Virgin Islands (British)" },
+ { 850, "vi", "Virgin Islands (US)" },
+ { 876, "wf", "Wallis & Futuna Islands" },
+ { 732, "eh", "Western Sahara" },
+ { 887, "ye", "Yemen" },
+ { 894, "zm", "Zambia" },
+ { 716, "zw", "Zimbabwe" }
+ };
+
+/*
+ * Check if start of 'str' is simply an IPv4 address.
+ */
+#define BYTE_OK(x) ((x) >= 0 && (x) <= 255)
+
+static int is_addr(char *str, char **end)
+{
+ int a0, a1, a2, a3, num, rc = 0, length = 0;
+
+ num = sscanf(str,"%3d.%3d.%3d.%3d%n",&a0,&a1,&a2,&a3,&length);
+ if( (num == 4) &&
+ BYTE_OK(a0) && BYTE_OK(a1) && BYTE_OK(a2) && BYTE_OK(a3) &&
+ length >= (3+4))
+ {
+ rc = 1;
+ *end = str + length;
+ }
+ return rc;
+}
+
+/*
+ * Find the country-code and name from the CNAME. E.g.:
+ * version 1: CNAME = zzno.countries.nerd.dk with address 127.0.2.66
+ * yields ccode_A" = "no" and cnumber 578 (2.66).
+ * version 2: CNAME = <a.b.c.d>.zz.countries.nerd.dk with address 127.0.2.66
+ * yields cnumber 578 (2.66). ccode_A is "";
+ */
+static void find_country_from_cname(const char *cname, struct in_addr addr)
+{
+ const struct search_list *country;
+ char ccode_A2[3], *ccopy, *dot_4;
+ int cnumber, z0, z1, ver_1, ver_2;
+ unsigned long ip;
+
+ ip = ntohl(addr.s_addr);
+ z0 = TOLOWER(cname[0]);
+ z1 = TOLOWER(cname[1]);
+ ccopy = strdup(cname);
+ dot_4 = NULL;
+
+ ver_1 = (z0 == 'z' && z1 == 'z' && !strcasecmp(cname+4,nerd_ver1));
+ ver_2 = (is_addr(ccopy,&dot_4) && !strcasecmp(dot_4,nerd_ver2));
+
+ if (ver_1)
+ {
+ const char *dot = strchr(cname, '.');
+ if (dot != cname+4)
+ {
+ printf("Unexpected CNAME %s (ver_1)\n", cname);
+ free(ccopy);
+ return;
+ }
+ }
+ else if (ver_2)
+ {
+ z0 = TOLOWER(dot_4[1]);
+ z1 = TOLOWER(dot_4[2]);
+ if (z0 != 'z' && z1 != 'z')
+ {
+ printf("Unexpected CNAME %s (ver_2)\n", cname);
+ free(ccopy);
+ return;
+ }
+ }
+ else
+ {
+ printf("Unexpected CNAME %s (ver?)\n", cname);
+ free(ccopy);
+ return;
+ }
+
+ if (ver_1)
+ {
+ ccode_A2[0] = (char)TOLOWER(cname[2]);
+ ccode_A2[1] = (char)TOLOWER(cname[3]);
+ ccode_A2[2] = '\0';
+ }
+ else
+ ccode_A2[0] = '\0';
+
+ cnumber = ip & 0xFFFF;
+
+ TRACE(("Found country-code `%s', number %d\n",
+ ver_1 ? ccode_A2 : "<n/a>", cnumber));
+
+ country = list_lookup(cnumber, country_list,
+ sizeof(country_list) / sizeof(country_list[0]));
+ if (!country)
+ printf("Name for country-number %d not found.\n", cnumber);
+ else
+ {
+ if (ver_1)
+ {
+ if ((country->short_name[0] != ccode_A2[0]) ||
+ (country->short_name[1] != ccode_A2[1]) ||
+ (country->short_name[2] != ccode_A2[2]))
+ printf("short-name mismatch; %s vs %s\n",
+ country->short_name, ccode_A2);
+ }
+ printf("%s (%s), number %d.\n",
+ country->long_name, country->short_name, cnumber);
+ }
+ free(ccopy);
+}
+
+/* Information from the man page. Formatting taken from man -h */
+static void print_help_info_acountry(void) {
+ printf("acountry, version %s\n\n", ARES_VERSION_STR);
+ printf("usage: acountry [-hdv] host|addr ...\n\n"
+ " h : Display this help and exit.\n"
+ " d : Print some extra debugging output.\n"
+ " v : Be more verbose. Print extra information.\n\n");
+ exit(0);
+}
diff --git a/fluent-bit/lib/c-ares-1.19.1/src/tools/adig.c b/fluent-bit/lib/c-ares-1.19.1/src/tools/adig.c
new file mode 100644
index 000000000..cf5bd4d3f
--- /dev/null
+++ b/fluent-bit/lib/c-ares-1.19.1/src/tools/adig.c
@@ -0,0 +1,988 @@
+/* Copyright 1998 by the Massachusetts Institute of Technology.
+ *
+ *
+ * Permission to use, copy, modify, and distribute this
+ * software and its documentation for any purpose and without
+ * fee is hereby granted, provided that the above copyright
+ * notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting
+ * documentation, and that the name of M.I.T. not be used in
+ * advertising or publicity pertaining to distribution of the
+ * software without specific, written prior permission.
+ * M.I.T. makes no representations about the suitability of
+ * this software for any purpose. It is provided "as is"
+ * without express or implied warranty.
+ */
+
+#include "ares_setup.h"
+
+#ifdef HAVE_NETINET_IN_H
+# include <netinet/in.h>
+#endif
+#ifdef HAVE_ARPA_INET_H
+# include <arpa/inet.h>
+#endif
+#ifdef HAVE_NETDB_H
+# include <netdb.h>
+#endif
+
+#include "ares_nameser.h"
+
+#ifdef HAVE_STRINGS_H
+# include <strings.h>
+#endif
+
+#include "ares.h"
+#include "ares_dns.h"
+#include "ares_getopt.h"
+#include "ares_nowarn.h"
+
+#ifndef HAVE_STRDUP
+# include "ares_strdup.h"
+# define strdup(ptr) ares_strdup(ptr)
+#endif
+
+#ifndef HAVE_STRCASECMP
+# include "ares_strcasecmp.h"
+# define strcasecmp(p1,p2) ares_strcasecmp(p1,p2)
+#endif
+
+#ifndef HAVE_STRNCASECMP
+# include "ares_strcasecmp.h"
+# define strncasecmp(p1,p2,n) ares_strncasecmp(p1,p2,n)
+#endif
+
+#ifdef WATT32
+#undef WIN32 /* Redefined in MingW headers */
+#endif
+
+
+struct nv {
+ const char *name;
+ int value;
+};
+
+static const struct nv flags[] = {
+ { "usevc", ARES_FLAG_USEVC },
+ { "primary", ARES_FLAG_PRIMARY },
+ { "igntc", ARES_FLAG_IGNTC },
+ { "norecurse", ARES_FLAG_NORECURSE },
+ { "stayopen", ARES_FLAG_STAYOPEN },
+ { "noaliases", ARES_FLAG_NOALIASES }
+};
+static const int nflags = sizeof(flags) / sizeof(flags[0]);
+
+static const struct nv classes[] = {
+ { "IN", C_IN },
+ { "CHAOS", C_CHAOS },
+ { "HS", C_HS },
+ { "ANY", C_ANY }
+};
+static const int nclasses = sizeof(classes) / sizeof(classes[0]);
+
+static const struct nv types[] = {
+ { "A", T_A },
+ { "NS", T_NS },
+ { "MD", T_MD },
+ { "MF", T_MF },
+ { "CNAME", T_CNAME },
+ { "SOA", T_SOA },
+ { "MB", T_MB },
+ { "MG", T_MG },
+ { "MR", T_MR },
+ { "NULL", T_NULL },
+ { "WKS", T_WKS },
+ { "PTR", T_PTR },
+ { "HINFO", T_HINFO },
+ { "MINFO", T_MINFO },
+ { "MX", T_MX },
+ { "TXT", T_TXT },
+ { "RP", T_RP },
+ { "AFSDB", T_AFSDB },
+ { "X25", T_X25 },
+ { "ISDN", T_ISDN },
+ { "RT", T_RT },
+ { "NSAP", T_NSAP },
+ { "NSAP_PTR", T_NSAP_PTR },
+ { "SIG", T_SIG },
+ { "KEY", T_KEY },
+ { "PX", T_PX },
+ { "GPOS", T_GPOS },
+ { "AAAA", T_AAAA },
+ { "LOC", T_LOC },
+ { "SRV", T_SRV },
+ { "AXFR", T_AXFR },
+ { "MAILB", T_MAILB },
+ { "MAILA", T_MAILA },
+ { "NAPTR", T_NAPTR },
+ { "DS", T_DS },
+ { "SSHFP", T_SSHFP },
+ { "RRSIG", T_RRSIG },
+ { "NSEC", T_NSEC },
+ { "DNSKEY", T_DNSKEY },
+ { "CAA", T_CAA },
+ { "URI", T_URI },
+ { "ANY", T_ANY }
+};
+static const int ntypes = sizeof(types) / sizeof(types[0]);
+
+static const char *opcodes[] = {
+ "QUERY", "IQUERY", "STATUS", "(reserved)", "NOTIFY",
+ "(unknown)", "(unknown)", "(unknown)", "(unknown)",
+ "UPDATEA", "UPDATED", "UPDATEDA", "UPDATEM", "UPDATEMA",
+ "ZONEINIT", "ZONEREF"
+};
+
+static const char *rcodes[] = {
+ "NOERROR", "FORMERR", "SERVFAIL", "NXDOMAIN", "NOTIMP", "REFUSED",
+ "(unknown)", "(unknown)", "(unknown)", "(unknown)", "(unknown)",
+ "(unknown)", "(unknown)", "(unknown)", "(unknown)", "NOCHANGE"
+};
+
+static void callback(void *arg, int status, int timeouts,
+ unsigned char *abuf, int alen);
+static const unsigned char *display_question(const unsigned char *aptr,
+ const unsigned char *abuf,
+ int alen);
+static const unsigned char *display_rr(const unsigned char *aptr,
+ const unsigned char *abuf, int alen);
+static int convert_query (char **name, int use_bitstring);
+static const char *type_name(int type);
+static const char *class_name(int dnsclass);
+static void usage(void);
+static void destroy_addr_list(struct ares_addr_node *head);
+static void append_addr_list(struct ares_addr_node **head,
+ struct ares_addr_node *node);
+static void print_help_info_adig(void);
+
+int main(int argc, char **argv)
+{
+ ares_channel channel;
+ int c, i, optmask = ARES_OPT_FLAGS, dnsclass = C_IN, type = T_A;
+ int status, nfds, count;
+ int use_ptr_helper = 0;
+ struct ares_options options;
+ struct hostent *hostent;
+ fd_set read_fds, write_fds;
+ struct timeval *tvp, tv;
+ struct ares_addr_node *srvr, *servers = NULL;
+
+#ifdef USE_WINSOCK
+ WORD wVersionRequested = MAKEWORD(USE_WINSOCK,USE_WINSOCK);
+ WSADATA wsaData;
+ WSAStartup(wVersionRequested, &wsaData);
+#endif
+
+ status = ares_library_init(ARES_LIB_INIT_ALL);
+ if (status != ARES_SUCCESS)
+ {
+ fprintf(stderr, "ares_library_init: %s\n", ares_strerror(status));
+ return 1;
+ }
+
+ options.flags = ARES_FLAG_NOCHECKRESP;
+ options.servers = NULL;
+ options.nservers = 0;
+ while ((c = ares_getopt(argc, argv, "dh?f:s:c:t:T:U:x")) != -1)
+ {
+ switch (c)
+ {
+ case 'd':
+#ifdef WATT32
+ dbug_init();
+#endif
+ break;
+ case 'h':
+ print_help_info_adig();
+ break;
+ case '?':
+ print_help_info_adig();
+ break;
+ case 'f':
+ /* Add a flag. */
+ for (i = 0; i < nflags; i++)
+ {
+ if (strcmp(flags[i].name, optarg) == 0)
+ break;
+ }
+ if (i < nflags)
+ options.flags |= flags[i].value;
+ else
+ usage();
+ break;
+
+ case 's':
+ /* User-specified name servers override default ones. */
+ srvr = malloc(sizeof(struct ares_addr_node));
+ if (!srvr)
+ {
+ fprintf(stderr, "Out of memory!\n");
+ destroy_addr_list(servers);
+ return 1;
+ }
+ append_addr_list(&servers, srvr);
+ if (ares_inet_pton(AF_INET, optarg, &srvr->addr.addr4) > 0)
+ srvr->family = AF_INET;
+ else if (ares_inet_pton(AF_INET6, optarg, &srvr->addr.addr6) > 0)
+ srvr->family = AF_INET6;
+ else
+ {
+ hostent = gethostbyname(optarg);
+ if (!hostent)
+ {
+ fprintf(stderr, "adig: server %s not found.\n", optarg);
+ destroy_addr_list(servers);
+ return 1;
+ }
+ switch (hostent->h_addrtype)
+ {
+ case AF_INET:
+ srvr->family = AF_INET;
+ memcpy(&srvr->addr.addr4, hostent->h_addr,
+ sizeof(srvr->addr.addr4));
+ break;
+ case AF_INET6:
+ srvr->family = AF_INET6;
+ memcpy(&srvr->addr.addr6, hostent->h_addr,
+ sizeof(srvr->addr.addr6));
+ break;
+ default:
+ fprintf(stderr,
+ "adig: server %s unsupported address family.\n", optarg);
+ destroy_addr_list(servers);
+ return 1;
+ }
+ }
+ /* Notice that calling ares_init_options() without servers in the
+ * options struct and with ARES_OPT_SERVERS set simultaneously in
+ * the options mask, results in an initialization with no servers.
+ * When alternative name servers have been specified these are set
+ * later calling ares_set_servers() overriding any existing server
+ * configuration. To prevent initial configuration with default
+ * servers that will be discarded later, ARES_OPT_SERVERS is set.
+ * If this flag is not set here the result shall be the same but
+ * ares_init_options() will do needless work. */
+ optmask |= ARES_OPT_SERVERS;
+ break;
+
+ case 'c':
+ /* Set the query class. */
+ for (i = 0; i < nclasses; i++)
+ {
+ if (strcasecmp(classes[i].name, optarg) == 0)
+ break;
+ }
+ if (i < nclasses)
+ dnsclass = classes[i].value;
+ else
+ usage();
+ break;
+
+ case 't':
+ /* Set the query type. */
+ for (i = 0; i < ntypes; i++)
+ {
+ if (strcasecmp(types[i].name, optarg) == 0)
+ break;
+ }
+ if (i < ntypes)
+ type = types[i].value;
+ else
+ usage();
+ break;
+
+ case 'T':
+ /* Set the TCP port number. */
+ if (!ISDIGIT(*optarg))
+ usage();
+ options.tcp_port = (unsigned short)strtol(optarg, NULL, 0);
+ options.flags |= ARES_FLAG_USEVC;
+ optmask |= ARES_OPT_TCP_PORT;
+ break;
+
+ case 'U':
+ /* Set the UDP port number. */
+ if (!ISDIGIT(*optarg))
+ usage();
+ options.udp_port = (unsigned short)strtol(optarg, NULL, 0);
+ optmask |= ARES_OPT_UDP_PORT;
+ break;
+
+ case 'x':
+ use_ptr_helper++;
+ break;
+ }
+ }
+ argc -= optind;
+ argv += optind;
+ if (argc == 0)
+ usage();
+
+ status = ares_init_options(&channel, &options, optmask);
+
+ if (status != ARES_SUCCESS)
+ {
+ fprintf(stderr, "ares_init_options: %s\n",
+ ares_strerror(status));
+ return 1;
+ }
+
+ if(servers)
+ {
+ status = ares_set_servers(channel, servers);
+ destroy_addr_list(servers);
+ if (status != ARES_SUCCESS)
+ {
+ fprintf(stderr, "ares_init_options: %s\n",
+ ares_strerror(status));
+ return 1;
+ }
+ }
+
+ /* Initiate the queries, one per command-line argument. If there is
+ * only one query to do, supply NULL as the callback argument;
+ * otherwise, supply the query name as an argument so we can
+ * distinguish responses for the user when printing them out.
+ */
+ for (i = 1; *argv; i++, argv++)
+ {
+ char *query = *argv;
+
+ if (type == T_PTR && dnsclass == C_IN && use_ptr_helper)
+ if (!convert_query (&query, use_ptr_helper >= 2))
+ continue;
+
+ ares_query(channel, query, dnsclass, type, callback, i < argc-1 ? (void*)query : NULL);
+ }
+
+ /* Wait for all queries to complete. */
+ for (;;)
+ {
+ FD_ZERO(&read_fds);
+ FD_ZERO(&write_fds);
+ nfds = ares_fds(channel, &read_fds, &write_fds);
+ if (nfds == 0)
+ break;
+ tvp = ares_timeout(channel, NULL, &tv);
+ count = select(nfds, &read_fds, &write_fds, NULL, tvp);
+ if (count < 0 && (status = SOCKERRNO) != EINVAL)
+ {
+ printf("select fail: %d", status);
+ return 1;
+ }
+ ares_process(channel, &read_fds, &write_fds);
+ }
+
+ ares_destroy(channel);
+
+ ares_library_cleanup();
+
+#ifdef USE_WINSOCK
+ WSACleanup();
+#endif
+
+ return 0;
+}
+
+static void callback(void *arg, int status, int timeouts,
+ unsigned char *abuf, int alen)
+{
+ char *name = (char *) arg;
+ int id, qr, opcode, aa, tc, rd, ra, rcode;
+ unsigned int qdcount, ancount, nscount, arcount, i;
+ const unsigned char *aptr;
+
+ (void) timeouts;
+
+ /* Display the query name if given. */
+ if (name)
+ printf("Answer for query %s:\n", name);
+
+ /* Display an error message if there was an error, but only stop if
+ * we actually didn't get an answer buffer.
+ */
+ if (status != ARES_SUCCESS)
+ {
+ printf("%s\n", ares_strerror(status));
+ if (!abuf)
+ return;
+ }
+
+ /* Won't happen, but check anyway, for safety. */
+ if (alen < HFIXEDSZ)
+ return;
+
+ /* Parse the answer header. */
+ id = DNS_HEADER_QID(abuf);
+ qr = DNS_HEADER_QR(abuf);
+ opcode = DNS_HEADER_OPCODE(abuf);
+ aa = DNS_HEADER_AA(abuf);
+ tc = DNS_HEADER_TC(abuf);
+ rd = DNS_HEADER_RD(abuf);
+ ra = DNS_HEADER_RA(abuf);
+ rcode = DNS_HEADER_RCODE(abuf);
+ qdcount = DNS_HEADER_QDCOUNT(abuf);
+ ancount = DNS_HEADER_ANCOUNT(abuf);
+ nscount = DNS_HEADER_NSCOUNT(abuf);
+ arcount = DNS_HEADER_ARCOUNT(abuf);
+
+ /* Display the answer header. */
+ printf("id: %d\n", id);
+ printf("flags: %s%s%s%s%s\n",
+ qr ? "qr " : "",
+ aa ? "aa " : "",
+ tc ? "tc " : "",
+ rd ? "rd " : "",
+ ra ? "ra " : "");
+ printf("opcode: %s\n", opcodes[opcode]);
+ printf("rcode: %s\n", rcodes[rcode]);
+
+ /* Display the questions. */
+ printf("Questions:\n");
+ aptr = abuf + HFIXEDSZ;
+ for (i = 0; i < qdcount; i++)
+ {
+ aptr = display_question(aptr, abuf, alen);
+ if (aptr == NULL)
+ return;
+ }
+
+ /* Display the answers. */
+ printf("Answers:\n");
+ for (i = 0; i < ancount; i++)
+ {
+ aptr = display_rr(aptr, abuf, alen);
+ if (aptr == NULL)
+ return;
+ }
+
+ /* Display the NS records. */
+ printf("NS records:\n");
+ for (i = 0; i < nscount; i++)
+ {
+ aptr = display_rr(aptr, abuf, alen);
+ if (aptr == NULL)
+ return;
+ }
+
+ /* Display the additional records. */
+ printf("Additional records:\n");
+ for (i = 0; i < arcount; i++)
+ {
+ aptr = display_rr(aptr, abuf, alen);
+ if (aptr == NULL)
+ return;
+ }
+}
+
+static const unsigned char *display_question(const unsigned char *aptr,
+ const unsigned char *abuf,
+ int alen)
+{
+ char *name;
+ int type, dnsclass, status;
+ long len;
+
+ /* Parse the question name. */
+ status = ares_expand_name(aptr, abuf, alen, &name, &len);
+ if (status != ARES_SUCCESS)
+ return NULL;
+ aptr += len;
+
+ /* Make sure there's enough data after the name for the fixed part
+ * of the question.
+ */
+ if (aptr + QFIXEDSZ > abuf + alen)
+ {
+ ares_free_string(name);
+ return NULL;
+ }
+
+ /* Parse the question type and class. */
+ type = DNS_QUESTION_TYPE(aptr);
+ dnsclass = DNS_QUESTION_CLASS(aptr);
+ aptr += QFIXEDSZ;
+
+ /* Display the question, in a format sort of similar to how we will
+ * display RRs.
+ */
+ printf("\t%-15s.\t", name);
+ if (dnsclass != C_IN)
+ printf("\t%s", class_name(dnsclass));
+ printf("\t%s\n", type_name(type));
+ ares_free_string(name);
+ return aptr;
+}
+
+static const unsigned char *display_rr(const unsigned char *aptr,
+ const unsigned char *abuf, int alen)
+{
+ const unsigned char *p;
+ int type, dnsclass, ttl, dlen, status, i;
+ long len;
+ int vlen;
+ char addr[46];
+ union {
+ unsigned char * as_uchar;
+ char * as_char;
+ } name;
+
+ /* Parse the RR name. */
+ status = ares_expand_name(aptr, abuf, alen, &name.as_char, &len);
+ if (status != ARES_SUCCESS)
+ return NULL;
+ aptr += len;
+
+ /* Make sure there is enough data after the RR name for the fixed
+ * part of the RR.
+ */
+ if (aptr + RRFIXEDSZ > abuf + alen)
+ {
+ ares_free_string(name.as_char);
+ return NULL;
+ }
+
+ /* Parse the fixed part of the RR, and advance to the RR data
+ * field. */
+ type = DNS_RR_TYPE(aptr);
+ dnsclass = DNS_RR_CLASS(aptr);
+ ttl = DNS_RR_TTL(aptr);
+ dlen = DNS_RR_LEN(aptr);
+ aptr += RRFIXEDSZ;
+ if (aptr + dlen > abuf + alen)
+ {
+ ares_free_string(name.as_char);
+ return NULL;
+ }
+
+ /* Display the RR name, class, and type. */
+ printf("\t%-15s.\t%d", name.as_char, ttl);
+ if (dnsclass != C_IN)
+ printf("\t%s", class_name(dnsclass));
+ printf("\t%s", type_name(type));
+ ares_free_string(name.as_char);
+
+ /* Display the RR data. Don't touch aptr. */
+ switch (type)
+ {
+ case T_CNAME:
+ case T_MB:
+ case T_MD:
+ case T_MF:
+ case T_MG:
+ case T_MR:
+ case T_NS:
+ case T_PTR:
+ /* For these types, the RR data is just a domain name. */
+ status = ares_expand_name(aptr, abuf, alen, &name.as_char, &len);
+ if (status != ARES_SUCCESS)
+ return NULL;
+ printf("\t%s.", name.as_char);
+ ares_free_string(name.as_char);
+ break;
+
+ case T_HINFO:
+ /* The RR data is two length-counted character strings. */
+ p = aptr;
+ len = *p;
+ if (p + len + 1 > aptr + dlen)
+ return NULL;
+ status = ares_expand_string(p, abuf, alen, &name.as_uchar, &len);
+ if (status != ARES_SUCCESS)
+ return NULL;
+ printf("\t%s", name.as_char);
+ ares_free_string(name.as_char);
+ p += len;
+ len = *p;
+ if (p + len + 1 > aptr + dlen)
+ return NULL;
+ status = ares_expand_string(p, abuf, alen, &name.as_uchar, &len);
+ if (status != ARES_SUCCESS)
+ return NULL;
+ printf("\t%s", name.as_char);
+ ares_free_string(name.as_char);
+ break;
+
+ case T_MINFO:
+ /* The RR data is two domain names. */
+ p = aptr;
+ status = ares_expand_name(p, abuf, alen, &name.as_char, &len);
+ if (status != ARES_SUCCESS)
+ return NULL;
+ printf("\t%s.", name.as_char);
+ ares_free_string(name.as_char);
+ p += len;
+ status = ares_expand_name(p, abuf, alen, &name.as_char, &len);
+ if (status != ARES_SUCCESS)
+ return NULL;
+ printf("\t%s.", name.as_char);
+ ares_free_string(name.as_char);
+ break;
+
+ case T_MX:
+ /* The RR data is two bytes giving a preference ordering, and
+ * then a domain name.
+ */
+ if (dlen < 2)
+ return NULL;
+ printf("\t%d", (int)DNS__16BIT(aptr));
+ status = ares_expand_name(aptr + 2, abuf, alen, &name.as_char, &len);
+ if (status != ARES_SUCCESS)
+ return NULL;
+ printf("\t%s.", name.as_char);
+ ares_free_string(name.as_char);
+ break;
+
+ case T_SOA:
+ /* The RR data is two domain names and then five four-byte
+ * numbers giving the serial number and some timeouts.
+ */
+ p = aptr;
+ status = ares_expand_name(p, abuf, alen, &name.as_char, &len);
+ if (status != ARES_SUCCESS)
+ return NULL;
+ printf("\t%s.\n", name.as_char);
+ ares_free_string(name.as_char);
+ p += len;
+ status = ares_expand_name(p, abuf, alen, &name.as_char, &len);
+ if (status != ARES_SUCCESS)
+ return NULL;
+ printf("\t\t\t\t\t\t%s.\n", name.as_char);
+ ares_free_string(name.as_char);
+ p += len;
+ if (p + 20 > aptr + dlen)
+ return NULL;
+ printf("\t\t\t\t\t\t( %u %u %u %u %u )",
+ DNS__32BIT(p), DNS__32BIT(p+4),
+ DNS__32BIT(p+8), DNS__32BIT(p+12),
+ DNS__32BIT(p+16));
+ break;
+
+ case T_TXT:
+ /* The RR data is one or more length-counted character
+ * strings. */
+ p = aptr;
+ while (p < aptr + dlen)
+ {
+ len = *p;
+ if (p + len + 1 > aptr + dlen)
+ return NULL;
+ status = ares_expand_string(p, abuf, alen, &name.as_uchar, &len);
+ if (status != ARES_SUCCESS)
+ return NULL;
+ printf("\t%s", name.as_char);
+ ares_free_string(name.as_char);
+ p += len;
+ }
+ break;
+
+ case T_CAA:
+
+ p = aptr;
+
+ /* Flags */
+ printf(" %u", (int)*p);
+ p += 1;
+
+ /* Remainder of record */
+ vlen = (int)dlen - ((char)*p) - 2;
+
+ /* The Property identifier, one of:
+ - "issue",
+ - "iodef", or
+ - "issuewild" */
+ status = ares_expand_string(p, abuf, alen, &name.as_uchar, &len);
+ if (status != ARES_SUCCESS)
+ return NULL;
+ printf(" %s", name.as_char);
+ ares_free_string(name.as_char);
+ p += len;
+
+ if (p + vlen > abuf + alen)
+ return NULL;
+
+ /* A sequence of octets representing the Property Value */
+ printf(" %.*s", vlen, p);
+ break;
+
+ case T_A:
+ /* The RR data is a four-byte Internet address. */
+ if (dlen != 4)
+ return NULL;
+ printf("\t%s", ares_inet_ntop(AF_INET,aptr,addr,sizeof(addr)));
+ break;
+
+ case T_AAAA:
+ /* The RR data is a 16-byte IPv6 address. */
+ if (dlen != 16)
+ return NULL;
+ printf("\t%s", ares_inet_ntop(AF_INET6,aptr,addr,sizeof(addr)));
+ break;
+
+ case T_WKS:
+ /* Not implemented yet */
+ break;
+
+ case T_SRV:
+ /* The RR data is three two-byte numbers representing the
+ * priority, weight, and port, followed by a domain name.
+ */
+
+ printf("\t%d", (int)DNS__16BIT(aptr));
+ printf(" %d", (int)DNS__16BIT(aptr + 2));
+ printf(" %d", (int)DNS__16BIT(aptr + 4));
+
+ status = ares_expand_name(aptr + 6, abuf, alen, &name.as_char, &len);
+ if (status != ARES_SUCCESS)
+ return NULL;
+ printf("\t%s.", name.as_char);
+ ares_free_string(name.as_char);
+ break;
+
+ case T_URI:
+ /* The RR data is two two-byte numbers representing the
+ * priority and weight, followed by a target.
+ */
+
+ printf("\t%d ", (int)DNS__16BIT(aptr));
+ printf("%d \t\t", (int)DNS__16BIT(aptr+2));
+ p = aptr +4;
+ for (i=0; i <dlen-4; ++i)
+ printf("%c",p[i]);
+ break;
+
+ case T_NAPTR:
+
+ printf("\t%d", (int)DNS__16BIT(aptr)); /* order */
+ printf(" %d\n", (int)DNS__16BIT(aptr + 2)); /* preference */
+
+ p = aptr + 4;
+ status = ares_expand_string(p, abuf, alen, &name.as_uchar, &len);
+ if (status != ARES_SUCCESS)
+ return NULL;
+ printf("\t\t\t\t\t\t%s\n", name.as_char);
+ ares_free_string(name.as_char);
+ p += len;
+
+ status = ares_expand_string(p, abuf, alen, &name.as_uchar, &len);
+ if (status != ARES_SUCCESS)
+ return NULL;
+ printf("\t\t\t\t\t\t%s\n", name.as_char);
+ ares_free_string(name.as_char);
+ p += len;
+
+ status = ares_expand_string(p, abuf, alen, &name.as_uchar, &len);
+ if (status != ARES_SUCCESS)
+ return NULL;
+ printf("\t\t\t\t\t\t%s\n", name.as_char);
+ ares_free_string(name.as_char);
+ p += len;
+
+ status = ares_expand_name(p, abuf, alen, &name.as_char, &len);
+ if (status != ARES_SUCCESS)
+ return NULL;
+ printf("\t\t\t\t\t\t%s", name.as_char);
+ ares_free_string(name.as_char);
+ break;
+
+ case T_DS:
+ case T_SSHFP:
+ case T_RRSIG:
+ case T_NSEC:
+ case T_DNSKEY:
+ printf("\t[RR type parsing unavailable]");
+ break;
+
+ default:
+ printf("\t[Unknown RR; cannot parse]");
+ break;
+ }
+ printf("\n");
+
+ return aptr + dlen;
+}
+
+/*
+ * With the '-x' (or '-xx') and '-t PTR' options, convert a query for an
+ * address into a more useful 'T_PTR' type question.
+ * Like with an input 'query':
+ * "a.b.c.d" -> "d.c.b.a".in-addr.arpa" for an IPv4 address.
+ * "a.b.c....x.y.z" -> "z.y.x....c.d.e.IP6.ARPA" for an IPv6 address.
+ *
+ * An example from 'dig -x PTR 2001:470:1:1b9::31':
+ *
+ * QUESTION SECTION:
+ * 1.3.0.0.0.0.0.0.0.0.0.0.0.0.0.0.9.b.1.0.1.0.0.0.0.7.4.0.1.0.0.2.IP6.ARPA. IN PTR
+ *
+ * ANSWER SECTION:
+ * 1.3.0.0.0.0.0.0.0.0.0.0.0.0.0.0.9.b.1.0.1.0.0.0.0.7.4.0.1.0.0.2.IP6.ARPA. 254148 IN PTR ipv6.cybernode.com.
+ *
+ * If 'use_bitstring == 1', try to use the more compact RFC-2673 bitstring format.
+ * Thus the above 'dig' query should become:
+ * [x13000000000000009b10100007401002].IP6.ARPA. IN PTR
+ */
+static int convert_query (char **name_p, int use_bitstring)
+{
+#ifndef MAX_IP6_RR
+#define MAX_IP6_RR (16*sizeof(".x.x") + sizeof(".IP6.ARPA") + 1)
+#endif
+
+#ifdef HAVE_INET_PTON
+ #define ACCEPTED_RETVAL4 1
+ #define ACCEPTED_RETVAL6 1
+#else
+ #define ACCEPTED_RETVAL4 32
+ #define ACCEPTED_RETVAL6 128
+#endif
+
+ static char new_name [MAX_IP6_RR];
+ static const char hex_chars[] = "0123456789ABCDEF";
+
+ union {
+ struct in_addr addr4;
+ struct ares_in6_addr addr6;
+ } addr;
+
+ if (ares_inet_pton (AF_INET, *name_p, &addr.addr4) == 1)
+ {
+ unsigned long laddr = ntohl(addr.addr4.s_addr);
+ unsigned long a1 = (laddr >> 24UL) & 0xFFUL;
+ unsigned long a2 = (laddr >> 16UL) & 0xFFUL;
+ unsigned long a3 = (laddr >> 8UL) & 0xFFUL;
+ unsigned long a4 = laddr & 0xFFUL;
+
+ snprintf(new_name, sizeof(new_name), "%lu.%lu.%lu.%lu.in-addr.arpa", a4, a3, a2, a1);
+ *name_p = new_name;
+ return (1);
+ }
+
+ if (ares_inet_pton(AF_INET6, *name_p, &addr.addr6) == 1)
+ {
+ char *c = new_name;
+ const unsigned char *ip = (const unsigned char*) &addr.addr6;
+ int max_i = (int)sizeof(addr.addr6) - 1;
+ int i, hi, lo;
+
+ /* Use the more compact RFC-2673 notation?
+ * Currently doesn't work or unsupported by the DNS-servers I've tested against.
+ */
+ if (use_bitstring)
+ {
+ *c++ = '\\';
+ *c++ = '[';
+ *c++ = 'x';
+ for (i = max_i; i >= 0; i--)
+ {
+ hi = ip[i] >> 4;
+ lo = ip[i] & 15;
+ *c++ = hex_chars [lo];
+ *c++ = hex_chars [hi];
+ }
+ strcpy (c, "].IP6.ARPA");
+ }
+ else
+ {
+ for (i = max_i; i >= 0; i--)
+ {
+ hi = ip[i] >> 4;
+ lo = ip[i] & 15;
+ *c++ = hex_chars [lo];
+ *c++ = '.';
+ *c++ = hex_chars [hi];
+ *c++ = '.';
+ }
+ strcpy (c, "IP6.ARPA");
+ }
+ *name_p = new_name;
+ return (1);
+ }
+ printf("Address %s was not legal for this query.\n", *name_p);
+ return (0);
+}
+
+static const char *type_name(int type)
+{
+ int i;
+
+ for (i = 0; i < ntypes; i++)
+ {
+ if (types[i].value == type)
+ return types[i].name;
+ }
+ return "(unknown)";
+}
+
+static const char *class_name(int dnsclass)
+{
+ int i;
+
+ for (i = 0; i < nclasses; i++)
+ {
+ if (classes[i].value == dnsclass)
+ return classes[i].name;
+ }
+ return "(unknown)";
+}
+
+static void usage(void)
+{
+ fprintf(stderr, "usage: adig [-h] [-d] [-f flag] [-s server] [-c class] "
+ "[-t type] [-T|U port] [-x|-xx] name ...\n");
+ exit(1);
+}
+
+static void destroy_addr_list(struct ares_addr_node *head)
+{
+ while(head)
+ {
+ struct ares_addr_node *detached = head;
+ head = head->next;
+ free(detached);
+ }
+}
+
+static void append_addr_list(struct ares_addr_node **head,
+ struct ares_addr_node *node)
+{
+ struct ares_addr_node *last;
+ node->next = NULL;
+ if(*head)
+ {
+ last = *head;
+ while(last->next)
+ last = last->next;
+ last->next = node;
+ }
+ else
+ *head = node;
+}
+
+
+/* Information from the man page. Formatting taken from man -h */
+static void print_help_info_adig(void) {
+ printf("adig, version %s\n\n", ARES_VERSION_STR);
+ printf("usage: adig [-h] [-d] [-f flag] [[-s server] ...] [-T|U port] [-c class] [-t type] [-x|-xx] name ...\n\n"
+ " h : Display this help and exit.\n"
+ " d : Print some extra debugging output.\n\n"
+ " f flag : Add a behavior control flag. Possible values are\n"
+ " igntc - ignore to query in TCP to get truncated UDP answer,\n"
+ " noaliases - don't honor the HOSTALIASES environment variable,\n"
+ " norecurse - don't query upstream servers recursively,\n"
+ " primary - use the first server,\n"
+ " stayopen - don't close the communication sockets, and\n"
+ " usevc - use TCP only.\n"
+ " s server : Connect to the specified DNS server, instead of the system's default one(s).\n"
+ " Servers are tried in round-robin, if the previous one failed.\n"
+ " T port : Connect to the specified TCP port of DNS server.\n"
+ " U port : Connect to the specified UDP port of DNS server.\n"
+ " c class : Set the query class. Possible values for class are ANY, CHAOS, HS and IN (default)\n"
+ " t type : Query records of the specified type.\n"
+ " Possible values for type are A (default), AAAA, AFSDB, ANY, AXFR,\n"
+ " CNAME, GPOS, HINFO, ISDN, KEY, LOC, MAILA, MAILB, MB, MD, MF, MG,\n"
+ " MINFO, MR, MX, NAPTR, NS, NSAP, NSAP_PTR, NULL, PTR, PX, RP, RT,\n"
+ " SIG, SOA, SRV, TXT, URI, WKS and X25.\n\n"
+ " -x : For a '-t PTR a.b.c.d' lookup, query for 'd.c.b.a.in-addr.arpa.'\n"
+ " -xx : As above, but for IPv6, compact the format into a bitstring like\n"
+ " '[xabcdef00000000000000000000000000].IP6.ARPA.'\n");
+ exit(0);
+}
diff --git a/fluent-bit/lib/c-ares-1.19.1/src/tools/ahost.c b/fluent-bit/lib/c-ares-1.19.1/src/tools/ahost.c
new file mode 100644
index 000000000..8ac210669
--- /dev/null
+++ b/fluent-bit/lib/c-ares-1.19.1/src/tools/ahost.c
@@ -0,0 +1,228 @@
+/* Copyright 1998 by the Massachusetts Institute of Technology.
+ *
+ *
+ * Permission to use, copy, modify, and distribute this
+ * software and its documentation for any purpose and without
+ * fee is hereby granted, provided that the above copyright
+ * notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting
+ * documentation, and that the name of M.I.T. not be used in
+ * advertising or publicity pertaining to distribution of the
+ * software without specific, written prior permission.
+ * M.I.T. makes no representations about the suitability of
+ * this software for any purpose. It is provided "as is"
+ * without express or implied warranty.
+ */
+
+#include "ares_setup.h"
+
+#if !defined(WIN32) || defined(WATT32)
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <netdb.h>
+#endif
+
+#ifdef HAVE_STRINGS_H
+#include <strings.h>
+#endif
+
+#include "ares.h"
+#include "ares_dns.h"
+#include "ares_getopt.h"
+#include "ares_ipv6.h"
+#include "ares_nowarn.h"
+
+#ifndef HAVE_STRDUP
+# include "ares_strdup.h"
+# define strdup(ptr) ares_strdup(ptr)
+#endif
+
+#ifndef HAVE_STRCASECMP
+# include "ares_strcasecmp.h"
+# define strcasecmp(p1,p2) ares_strcasecmp(p1,p2)
+#endif
+
+#ifndef HAVE_STRNCASECMP
+# include "ares_strcasecmp.h"
+# define strncasecmp(p1,p2,n) ares_strncasecmp(p1,p2,n)
+#endif
+
+static void callback(void *arg, int status, int timeouts, struct hostent *host);
+static void usage(void);
+static void print_help_info_ahost(void);
+
+int main(int argc, char **argv)
+{
+ struct ares_options options;
+ int optmask = 0;
+ ares_channel channel;
+ int status, nfds, c, addr_family = AF_INET;
+ fd_set read_fds, write_fds;
+ struct timeval *tvp, tv;
+ struct in_addr addr4;
+ struct ares_in6_addr addr6;
+
+#ifdef USE_WINSOCK
+ WORD wVersionRequested = MAKEWORD(USE_WINSOCK,USE_WINSOCK);
+ WSADATA wsaData;
+ WSAStartup(wVersionRequested, &wsaData);
+#endif
+
+ memset(&options, 0, sizeof(options));
+
+ status = ares_library_init(ARES_LIB_INIT_ALL);
+ if (status != ARES_SUCCESS)
+ {
+ fprintf(stderr, "ares_library_init: %s\n", ares_strerror(status));
+ return 1;
+ }
+
+ while ((c = ares_getopt(argc,argv,"dt:h?s:")) != -1)
+ {
+ switch (c)
+ {
+ case 'd':
+#ifdef WATT32
+ dbug_init();
+#endif
+ break;
+ case 's':
+ optmask |= ARES_OPT_DOMAINS;
+ options.ndomains++;
+ options.domains = (char **)realloc(options.domains,
+ options.ndomains * sizeof(char *));
+ options.domains[options.ndomains - 1] = strdup(optarg);
+ break;
+ case 't':
+ if (!strcasecmp(optarg,"a"))
+ addr_family = AF_INET;
+ else if (!strcasecmp(optarg,"aaaa"))
+ addr_family = AF_INET6;
+ else if (!strcasecmp(optarg,"u"))
+ addr_family = AF_UNSPEC;
+ else
+ usage();
+ break;
+ case 'h':
+ print_help_info_ahost();
+ break;
+ case '?':
+ print_help_info_ahost();
+ break;
+ default:
+ usage();
+ break;
+ }
+ }
+
+ argc -= optind;
+ argv += optind;
+ if (argc < 1)
+ usage();
+
+ status = ares_init_options(&channel, &options, optmask);
+ if (status != ARES_SUCCESS)
+ {
+ fprintf(stderr, "ares_init: %s\n", ares_strerror(status));
+ return 1;
+ }
+
+ /* Initiate the queries, one per command-line argument. */
+ for ( ; *argv; argv++)
+ {
+ if (ares_inet_pton(AF_INET, *argv, &addr4) == 1)
+ {
+ ares_gethostbyaddr(channel, &addr4, sizeof(addr4), AF_INET, callback,
+ *argv);
+ }
+ else if (ares_inet_pton(AF_INET6, *argv, &addr6) == 1)
+ {
+ ares_gethostbyaddr(channel, &addr6, sizeof(addr6), AF_INET6, callback,
+ *argv);
+ }
+ else
+ {
+ ares_gethostbyname(channel, *argv, addr_family, callback, *argv);
+ }
+ }
+
+ /* Wait for all queries to complete. */
+ for (;;)
+ {
+ int res;
+ FD_ZERO(&read_fds);
+ FD_ZERO(&write_fds);
+ nfds = ares_fds(channel, &read_fds, &write_fds);
+ if (nfds == 0)
+ break;
+ tvp = ares_timeout(channel, NULL, &tv);
+ res = select(nfds, &read_fds, &write_fds, NULL, tvp);
+ if (-1 == res)
+ break;
+ ares_process(channel, &read_fds, &write_fds);
+ }
+
+ ares_destroy(channel);
+
+ ares_library_cleanup();
+
+#ifdef USE_WINSOCK
+ WSACleanup();
+#endif
+
+ return 0;
+}
+
+static void callback(void *arg, int status, int timeouts, struct hostent *host)
+{
+ char **p;
+
+ (void)timeouts;
+
+ if (status != ARES_SUCCESS)
+ {
+ fprintf(stderr, "%s: %s\n", (char *) arg, ares_strerror(status));
+ return;
+ }
+
+ for (p = host->h_addr_list; *p; p++)
+ {
+ char addr_buf[46] = "??";
+
+ ares_inet_ntop(host->h_addrtype, *p, addr_buf, sizeof(addr_buf));
+ printf("%-32s\t%s", host->h_name, addr_buf);
+#if 0
+ if (host->h_aliases[0])
+ {
+ int i;
+
+ printf (", Aliases: ");
+ for (i = 0; host->h_aliases[i]; i++)
+ printf("%s ", host->h_aliases[i]);
+ }
+#endif
+ puts("");
+ }
+}
+
+static void usage(void)
+{
+ fprintf(stderr, "usage: ahost [-h] [-d] [-s {domain}] [-t {a|aaaa|u}] {host|addr} ...\n");
+ exit(1);
+}
+
+/* Information from the man page. Formatting taken from man -h */
+static void print_help_info_ahost(void) {
+ printf("ahost, version %s\n\n", ARES_VERSION_STR);
+ printf("usage: ahost [-h] [-d] [[-s domain] ...] [-t a|aaaa|u] host|addr ...\n\n"
+ " h : Display this help and exit.\n"
+ " d : Print some extra debugging output.\n\n"
+ " s domain : Specify the domain to search instead of using the default values\n"
+ " from /etc/resolv.conf. This option only has an effect on\n"
+ " platforms that use /etc/resolv.conf for DNS configuration;\n"
+ " it has no effect on other platforms (such as Win32 or Android).\n\n"
+ " t type : If type is \"a\", print the A record (default).\n"
+ " If type is \"aaaa\", print the AAAA record.\n"
+ " If type is \"u\", look for either AAAA or A record (in that order).\n\n");
+ exit(0);
+}
diff --git a/fluent-bit/lib/c-ares-1.19.1/src/tools/ares_getopt.c b/fluent-bit/lib/c-ares-1.19.1/src/tools/ares_getopt.c
new file mode 100644
index 000000000..1e02d0868
--- /dev/null
+++ b/fluent-bit/lib/c-ares-1.19.1/src/tools/ares_getopt.c
@@ -0,0 +1,122 @@
+/*
+ * Original file name getopt.c Initial import into the c-ares source tree
+ * on 2007-04-11. Lifted from version 5.2 of the 'Open Mash' project with
+ * the modified BSD license, BSD license without the advertising clause.
+ *
+ */
+
+/*
+ * getopt.c --
+ *
+ * Standard UNIX getopt function. Code is from BSD.
+ *
+ * Copyright (c) 1987-2001 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * A. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * B. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * C. Neither the names of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS
+ * IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* #if !defined(lint)
+ * static char sccsid[] = "@(#)getopt.c 8.2 (Berkeley) 4/2/94";
+ * #endif
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "ares_getopt.h"
+
+int opterr = 1, /* if error message should be printed */
+ optind = 1; /* index into parent argv vector */
+int optopt = 0; /* character checked for validity */
+static int optreset; /* reset getopt */
+char *optarg; /* argument associated with option */
+
+#define BADCH (int)'?'
+#define BADARG (int)':'
+#define EMSG (char *)""
+
+/*
+ * ares_getopt --
+ * Parse argc/argv argument vector.
+ */
+int
+ares_getopt(int nargc, char * const nargv[], const char *ostr)
+{
+ static char *place = EMSG; /* option letter processing */
+ char *oli; /* option letter list index */
+
+ if (optreset || !*place) { /* update scanning pointer */
+ optreset = 0;
+ if (optind >= nargc || *(place = nargv[optind]) != '-') {
+ place = EMSG;
+ return (EOF);
+ }
+ if (place[1] && *++place == '-') { /* found "--" */
+ ++optind;
+ place = EMSG;
+ return (EOF);
+ }
+ } /* option letter okay? */
+ if ((optopt = (int)*place++) == (int)':' ||
+ (oli = strchr(ostr, optopt)) == NULL) {
+ /*
+ * if the user didn't specify '-' as an option,
+ * assume it means EOF.
+ */
+ if (optopt == (int)'-')
+ return (EOF);
+ if (!*place)
+ ++optind;
+ if (opterr && *ostr != ':')
+ (void)fprintf(stderr,
+ "%s: illegal option -- %c\n", __FILE__, optopt);
+ return (BADCH);
+ }
+ if (*++oli != ':') { /* don't need argument */
+ optarg = NULL;
+ if (!*place)
+ ++optind;
+ }
+ else { /* need an argument */
+ if (*place) /* no white space */
+ optarg = place;
+ else if (nargc <= ++optind) { /* no arg */
+ place = EMSG;
+ if (*ostr == ':')
+ return (BADARG);
+ if (opterr)
+ (void)fprintf(stderr,
+ "%s: option requires an argument -- %c\n",
+ __FILE__, optopt);
+ return (BADCH);
+ }
+ else /* white space */
+ optarg = nargv[optind];
+ place = EMSG;
+ ++optind;
+ }
+ return (optopt); /* dump back option letter */
+}
diff --git a/fluent-bit/lib/c-ares-1.19.1/src/tools/ares_getopt.h b/fluent-bit/lib/c-ares-1.19.1/src/tools/ares_getopt.h
new file mode 100644
index 000000000..63acb3b42
--- /dev/null
+++ b/fluent-bit/lib/c-ares-1.19.1/src/tools/ares_getopt.h
@@ -0,0 +1,53 @@
+#ifndef ARES_GETOPT_H
+#define ARES_GETOPT_H
+
+/*
+ * Copyright (c) 1987-2001 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * A. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * B. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * C. Neither the names of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS
+ * IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+
+int ares_getopt(int nargc, char * const nargv[], const char *ostr);
+
+#undef optarg
+#undef optind
+#undef opterr
+#undef optopt
+#undef optreset
+
+#define optarg ares_optarg
+#define optind ares_optind
+#define opterr ares_opterr
+#define optopt ares_optopt
+#define optreset ares_optreset
+
+extern char *optarg;
+extern int optind;
+extern int opterr;
+extern int optopt;
+
+#endif /* ARES_GETOPT_H */
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