diff options
Diffstat (limited to 'support/support_format_addrinfo.c')
| -rw-r--r-- | support/support_format_addrinfo.c | 239 |
1 files changed, 0 insertions, 239 deletions
diff --git a/support/support_format_addrinfo.c b/support/support_format_addrinfo.c deleted file mode 100644 index eedb030591..0000000000 --- a/support/support_format_addrinfo.c +++ /dev/null @@ -1,239 +0,0 @@ -/* Convert struct addrinfo values to a string. - Copyright (C) 2016-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#include <support/format_nss.h> - -#include <arpa/inet.h> -#include <errno.h> -#include <stdio.h> -#include <support/support.h> -#include <support/xmemstream.h> - -static size_t -socket_address_length (int family) -{ - switch (family) - { - case AF_INET: - return sizeof (struct sockaddr_in); - case AF_INET6: - return sizeof (struct sockaddr_in6); - default: - return -1; - } -} - -static void -format_ai_flags_1 (FILE *out, struct addrinfo *ai, int flag, const char *name, - int * flags_printed) -{ - if ((ai->ai_flags & flag) != 0) - fprintf (out, " %s", name); - *flags_printed |= flag; -} - -static void -format_ai_flags (FILE *out, struct addrinfo *ai) -{ - if (ai == NULL) - return; - - if (ai->ai_flags != 0) - { - fprintf (out, "flags:"); - int flags_printed = 0; -#define FLAG(flag) format_ai_flags_1 (out, ai, flag, #flag, &flags_printed) - FLAG (AI_PASSIVE); - FLAG (AI_CANONNAME); - FLAG (AI_NUMERICHOST); - FLAG (AI_V4MAPPED); - FLAG (AI_ALL); - FLAG (AI_ADDRCONFIG); - FLAG (AI_IDN); - FLAG (AI_CANONIDN); - FLAG (AI_IDN_ALLOW_UNASSIGNED); - FLAG (AI_IDN_USE_STD3_ASCII_RULES); - FLAG (AI_NUMERICSERV); -#undef FLAG - int remaining = ai->ai_flags & ~flags_printed; - if (remaining != 0) - fprintf (out, " %08x", remaining); - fprintf (out, "\n"); - } - - /* Report flag mismatches within the list. */ - int flags = ai->ai_flags; - int index = 1; - ai = ai->ai_next; - while (ai != NULL) - { - if (ai->ai_flags != flags) - fprintf (out, "error: flags at %d: 0x%x expected, 0x%x actual\n", - index, flags, ai->ai_flags); - ai = ai->ai_next; - ++index; - } -} - -static void -format_ai_canonname (FILE *out, struct addrinfo *ai) -{ - if (ai == NULL) - return; - if (ai->ai_canonname != NULL) - fprintf (out, "canonname: %s\n", ai->ai_canonname); - - /* Report incorrectly set ai_canonname fields on subsequent list - entries. */ - int index = 1; - ai = ai->ai_next; - while (ai != NULL) - { - if (ai->ai_canonname != NULL) - fprintf (out, "error: canonname set at %d: %s\n", - index, ai->ai_canonname); - ai = ai->ai_next; - ++index; - } -} - -static void -format_ai_one (FILE *out, struct addrinfo *ai) -{ - { - char type_buf[32]; - const char *type_str; - char proto_buf[32]; - const char *proto_str; - - /* ai_socktype */ - switch (ai->ai_socktype) - { - case SOCK_RAW: - type_str = "RAW"; - break; - case SOCK_DGRAM: - type_str = "DGRAM"; - break; - case SOCK_STREAM: - type_str = "STREAM"; - break; - default: - snprintf (type_buf, sizeof (type_buf), "%d", ai->ai_socktype); - type_str = type_buf; - } - - /* ai_protocol */ - switch (ai->ai_protocol) - { - case IPPROTO_IP: - proto_str = "IP"; - break; - case IPPROTO_UDP: - proto_str = "UDP"; - break; - case IPPROTO_TCP: - proto_str = "TCP"; - break; - default: - snprintf (proto_buf, sizeof (proto_buf), "%d", ai->ai_protocol); - proto_str = proto_buf; - } - fprintf (out, "address: %s/%s", type_str, proto_str); - } - - /* ai_addrlen */ - if (ai->ai_addrlen != socket_address_length (ai->ai_family)) - { - char *family = support_format_address_family (ai->ai_family); - fprintf (out, "error: invalid address length %d for %s\n", - ai->ai_addrlen, family); - free (family); - } - - /* ai_addr */ - { - char buf[128]; - uint16_t port; - const char *ret; - switch (ai->ai_family) - { - case AF_INET: - { - struct sockaddr_in *sin = (struct sockaddr_in *) ai->ai_addr; - ret = inet_ntop (AF_INET, &sin->sin_addr, buf, sizeof (buf)); - port = sin->sin_port; - } - break; - case AF_INET6: - { - struct sockaddr_in6 *sin = (struct sockaddr_in6 *) ai->ai_addr; - ret = inet_ntop (AF_INET6, &sin->sin6_addr, buf, sizeof (buf)); - port = sin->sin6_port; - } - break; - default: - errno = EAFNOSUPPORT; - ret = NULL; - } - if (ret == NULL) - fprintf (out, "error: inet_top failed: %m\n"); - else - fprintf (out, " %s %u\n", buf, ntohs (port)); - } -} - -/* Format all the addresses in one address family. */ -static void -format_ai_family (FILE *out, struct addrinfo *ai, int family) -{ - while (ai) - { - if (ai->ai_family == family) - format_ai_one (out, ai); - ai = ai->ai_next; - } -} - -char * -support_format_addrinfo (struct addrinfo *ai, int ret) -{ - int errno_copy = errno; - - struct xmemstream mem; - xopen_memstream (&mem); - if (ret != 0) - { - fprintf (mem.out, "error: %s\n", gai_strerror (ret)); - if (ret == EAI_SYSTEM) - { - errno = errno_copy; - fprintf (mem.out, "error: %m\n"); - } - } - else - { - format_ai_flags (mem.out, ai); - format_ai_canonname (mem.out, ai); - format_ai_family (mem.out, ai, AF_INET); - format_ai_family (mem.out, ai, AF_INET6); - } - - xfclose_memstream (&mem); - return mem.buffer; -} |