diff options
author | Luke Shumaker <lukeshu@sbcglobal.net> | 2016-06-02 13:16:04 -0400 |
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committer | Luke Shumaker <lukeshu@sbcglobal.net> | 2016-06-02 13:16:04 -0400 |
commit | fccd290a8373438c26ed4e4f8130db18eb9b3dfe (patch) | |
tree | 2f032e1b125aa88e456644de865e9f42fffa4150 /src/libsystemd/libsystemd-internal/sd-resolve/test-resolve.c | |
parent | 6169d05b4a456e26a0197242464e3e2bca12a29d (diff) |
./move.sh
Diffstat (limited to 'src/libsystemd/libsystemd-internal/sd-resolve/test-resolve.c')
-rw-r--r-- | src/libsystemd/libsystemd-internal/sd-resolve/test-resolve.c | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/src/libsystemd/libsystemd-internal/sd-resolve/test-resolve.c b/src/libsystemd/libsystemd-internal/sd-resolve/test-resolve.c new file mode 100644 index 0000000000..9e3ac16597 --- /dev/null +++ b/src/libsystemd/libsystemd-internal/sd-resolve/test-resolve.c @@ -0,0 +1,114 @@ +/*** + This file is part of systemd. + + Copyright 2005-2008 Lennart Poettering + Copyright 2014 Daniel Buch + + systemd 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. + + systemd 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 systemd; If not, see <http://www.gnu.org/licenses/>. +***/ + +#include <arpa/inet.h> +#include <errno.h> +#include <netinet/in.h> +#include <resolv.h> +#include <stdio.h> +#include <string.h> +#include <sys/socket.h> + +#include <systemd/sd-resolve.h> + +#include "alloc-util.h" +#include "macro.h" +#include "socket-util.h" +#include "string-util.h" + +static int getaddrinfo_handler(sd_resolve_query *q, int ret, const struct addrinfo *ai, void *userdata) { + const struct addrinfo *i; + + assert_se(q); + + if (ret != 0) { + log_error("getaddrinfo error: %s %i", gai_strerror(ret), ret); + return 0; + } + + for (i = ai; i; i = i->ai_next) { + _cleanup_free_ char *addr = NULL; + + assert_se(sockaddr_pretty(i->ai_addr, i->ai_addrlen, false, true, &addr) == 0); + puts(addr); + } + + printf("canonical name: %s\n", strna(ai->ai_canonname)); + + return 0; +} + +static int getnameinfo_handler(sd_resolve_query *q, int ret, const char *host, const char *serv, void *userdata) { + assert_se(q); + + if (ret != 0) { + log_error("getnameinfo error: %s %i", gai_strerror(ret), ret); + return 0; + } + + printf("Host: %s -- Serv: %s\n", strna(host), strna(serv)); + return 0; +} + +int main(int argc, char *argv[]) { + _cleanup_(sd_resolve_query_unrefp) sd_resolve_query *q1 = NULL, *q2 = NULL; + _cleanup_(sd_resolve_unrefp) sd_resolve *resolve = NULL; + int r = 0; + + struct addrinfo hints = { + .ai_family = PF_UNSPEC, + .ai_socktype = SOCK_STREAM, + .ai_flags = AI_CANONNAME + }; + + struct sockaddr_in sa = { + .sin_family = AF_INET, + .sin_port = htons(80) + }; + + assert_se(sd_resolve_default(&resolve) >= 0); + + /* Test a floating resolver query */ + sd_resolve_getaddrinfo(resolve, NULL, "redhat.com", "http", NULL, getaddrinfo_handler, NULL); + + /* Make a name -> address query */ + r = sd_resolve_getaddrinfo(resolve, &q1, argc >= 2 ? argv[1] : "www.heise.de", NULL, &hints, getaddrinfo_handler, NULL); + if (r < 0) + log_error_errno(r, "sd_resolve_getaddrinfo(): %m"); + + /* Make an address -> name query */ + sa.sin_addr.s_addr = inet_addr(argc >= 3 ? argv[2] : "193.99.144.71"); + r = sd_resolve_getnameinfo(resolve, &q2, (struct sockaddr*) &sa, sizeof(sa), 0, SD_RESOLVE_GET_BOTH, getnameinfo_handler, NULL); + if (r < 0) + log_error_errno(r, "sd_resolve_getnameinfo(): %m"); + + /* Wait until all queries are completed */ + for (;;) { + r = sd_resolve_wait(resolve, (uint64_t) -1); + if (r == 0) + break; + if (r < 0) { + log_error_errno(r, "sd_resolve_wait(): %m"); + assert_not_reached("sd_resolve_wait() failed"); + } + } + + return 0; +} |