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Author SHA1 Message Date
SPRESENSE
d1c7e1816f libc/netdb: Separate IPv4 and IPv6 cache size limit 
Some domains have a lot of IPv6 addresses. Because of that, it is
not possible to get the IPv4 address with getaddrinfo.

This change separate IPv4 and IPv6 cache size limit to enable to
get both IP addresses.
 2024-09-02 06:16:50 -04:00
Petro Karashchenko
d499ac9d58 nuttx: fix multiple 'FAR', 'CODE' and style issues 
Signed-off-by: Petro Karashchenko <petro.karashchenko@gmail.com>
 2024-08-25 19:22:15 +08:00
wangchen
146767a8a2 netdb:netdb code support ffmpeg rtsp(getaddrinfo & getnameinfo) 
Related Codes:
1.ffmpeg/libavformat/ip.c
struct addrinfo *ff_ip_resolve_host(void *log_ctx,
                                    const char *hostname, int port,
                                    int type, int family, int flags)
{
    struct addrinfo hints = { 0 }, *res = 0;
    int error;
    char sport[16];
    const char *node = 0, *service = "0";

    if (port > 0) {
        snprintf(sport, sizeof(sport), "%d", port);
        service = sport;
    }
    if ((hostname) && (hostname[0] != '\0') && (hostname[0] != '?')) {
        node = hostname;
    }
    hints.ai_socktype = type;
    hints.ai_family   = family;
    hints.ai_flags    = flags;
    if ((error = getaddrinfo(node, service, &hints, &res))) {
        res = NULL;
        av_log(log_ctx, AV_LOG_ERROR, "getaddrinfo(%s, %s): %s\n",
               node ? node : "unknown",
               service,
               gai_strerror(error));
    }

    return res;
}
2.ffmpeg/libavformat/rtsp.c
static int sdp_read_header(AVFormatContext *s)
{
    RTSPState *rt = s->priv_data;
    RTSPStream *rtsp_st;
    int i, err;
    char url[MAX_URL_SIZE];
    AVBPrint bp;

    if (!ff_network_init())
        return AVERROR(EIO);

    if (s->max_delay < 0) /* Not set by the caller */
        s->max_delay = DEFAULT_REORDERING_DELAY;
    if (rt->rtsp_flags & RTSP_FLAG_CUSTOM_IO)
        rt->lower_transport = RTSP_LOWER_TRANSPORT_CUSTOM;

    /* read the whole sdp file */
    av_bprint_init(&bp, 0, AV_BPRINT_SIZE_UNLIMITED);
    err = avio_read_to_bprint(s->pb, &bp, INT_MAX);
    if (err < 0 ) {
        ff_network_close();
        av_bprint_finalize(&bp, NULL);
        return err;
    }
    err = ff_sdp_parse(s, bp.str);
    av_bprint_finalize(&bp, NULL);
    if (err) goto fail;

    /* open each RTP stream */
    for (i = 0; i < rt->nb_rtsp_streams; i++) {
        char namebuf[50];
        rtsp_st = rt->rtsp_streams[i];

        if (!(rt->rtsp_flags & RTSP_FLAG_CUSTOM_IO)) {
            AVDictionary *opts = map_to_opts(rt);
            char buf[MAX_URL_SIZE];
            const char *p;

            err = getnameinfo((struct sockaddr*) &rtsp_st->sdp_ip,
                              sizeof(rtsp_st->sdp_ip),
                              namebuf, sizeof(namebuf), NULL, 0, NI_NUMERICHOST);
            if (err) {
                av_log(s, AV_LOG_ERROR, "getnameinfo: %s\n", gai_strerror(err));
                err = AVERROR(EIO);
                av_dict_free(&opts);
                goto fail;
            }
            ff_url_join(url, sizeof(url), "rtp", NULL,
                        namebuf, rtsp_st->sdp_port,
                        "?localport=%d&ttl=%d&connect=%d&write_to_source=%d",
                        rtsp_st->sdp_port, rtsp_st->sdp_ttl,
                        rt->rtsp_flags & RTSP_FLAG_FILTER_SRC ? 1 : 0,
                        rt->rtsp_flags & RTSP_FLAG_RTCP_TO_SOURCE ? 1 : 0);

            p = strchr(s->url, '?');
            if (p && av_find_info_tag(buf, sizeof(buf), "localaddr", p))
                av_strlcatf(url, sizeof(url), "&localaddr=%s", buf);
            else if (rt->localaddr && rt->localaddr[0])
                av_strlcatf(url, sizeof(url), "&localaddr=%s", rt->localaddr);
            append_source_addrs(url, sizeof(url), "sources",
                                rtsp_st->nb_include_source_addrs,
                                rtsp_st->include_source_addrs);
            append_source_addrs(url, sizeof(url), "block",
                                rtsp_st->nb_exclude_source_addrs,
                                rtsp_st->exclude_source_addrs);
            err = ffurl_open_whitelist(&rtsp_st->rtp_handle, url, AVIO_FLAG_READ,
                           &s->interrupt_callback, &opts, s->protocol_whitelist, s->protocol_blacklist, NULL);

            av_dict_free(&opts);

            if (err < 0) {
                err = AVERROR_INVALIDDATA;
                goto fail;
            }
        }
        if ((err = ff_rtsp_open_transport_ctx(s, rtsp_st)))
            goto fail;
    }
    return 0;
fail:
    ff_rtsp_close_streams(s);
    ff_network_close();
    return err;
}

Signed-off-by: wangchen <wangchen41@xiaomi.com>
 2024-08-20 10:33:18 -03:00
liqinhui
602c644f4d netdb: When set a dns nameserver, if the nameserver already exists, retrun OK. 
We consider the setting successful when the namesaerver we set already exists.

Signed-off-by: liqinhui <liqinhui@xiaomi.com>
 2023-10-12 12:22:16 +08:00
Xiang Xiao
06619ac6fc lib/netdb: Change the default NETDB_DNSCLIENT_NAMESIZE to PATH_MAX 
Domain name has the similar layout as file path, so it's too small
to use 32 bytes as the default value, and better to has the same
default value as PATH_MAX which is 255.

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2023-09-24 19:32:25 -04:00
zhanghongyu
a41f68da84 dns: fix dns failed when ipv4/6 dual stack enable 
The ipv6 address filled the cache, and the ipv4 address did not have a
place to store it, causing the resolution to fail. so if IPV6 has already
filled the buffer, rewrite ipv4 DNS results from half of the buffer.

Signed-off-by: zhanghongyu <zhanghongyu@xiaomi.com>
 2023-09-23 15:56:05 +08:00
SPRESENSE
3c96621e1e libs:netdb: Restrict DNS query types 
Corresponds to the problem of name resolution with different IP
address types in networks where only one of IPv4 or IPv6 can be
used due to physical layer reasons (e.g., LTE networks).
 2023-09-16 14:43:12 +08:00
wangyingdong
0a567c3c29 change the default NETDB_DNSCLIENT_MAXRESPONSE to the standard length 
the size of the dns response buffer
https://datatracker.ietf.org/doc/html/draft-ietf-dnsop-respsize-12

Signed-off-by: wangyingdong <wangyingdong@xiaomi.com>
 2023-08-29 09:44:37 +08:00
yangshuyong
0b8b5da851 fixed the unused variable caused warnning in lib_gethostbyaddrr 
lib_gethostbyaddrr.c: warning: label 'out_copyname' defined but not used [-Wunused-label] 204 | out_copyname:

Signed-off-by: yangshuyong <yangshuyong@xiaomi.com>
 2023-08-21 13:01:41 +08:00
fangxinyong
6c8b0ba9f3 libc/netdb: add dependence to net ip config 
avoid to invalid enabled if no net ip config

Signed-off-by: fangxinyong <fangxinyong@xiaomi.com>
 2023-08-21 13:01:04 +08:00
Petro Karashchenko
075738cf14 net/ip: print ip addresses using ip4_addrN macro 
Signed-off-by: Petro Karashchenko <petro.karashchenko@gmail.com>
 2023-08-19 13:28:21 -03:00
Petro Karashchenko
1b0baa8337 nuttx: use lib_free for memory de-allocation after strdup or asprintf 
The memory allocated with strdup and asprintf is done via lib_malloc
so we need to use lib_free to deallocate memory otherwise the assertion
"Free memory from the wrong heap" is hit with flat mode and user separated
heap enabled mode.

Signed-off-by: Petro Karashchenko <petro.karashchenko@gmail.com>
 2023-08-08 11:58:29 -03:00
Zhe Weng
9dc5a59d50 libc/netdb: Move dns query info and buffer out of the stack 
The length of these buffers come from Kconfig, it isn't safe to allocate
them on the stack.

Signed-off-by: Zhe Weng <wengzhe@xiaomi.com>
 2023-07-25 06:17:48 -07:00
zhanghongyu
3c359da8b9 dns: print dns server address when query failed 
When debugging the actual dns resolution failure encountered, it is found
that if you know the address of dnsserver, the difficulty of debugging the
problem is reduced.

Signed-off-by: zhanghongyu <zhanghongyu@xiaomi.com>
 2023-07-20 08:11:57 +02:00
chao an
6ee9ec7656 build: add initial cmake build system 
1. Update all CMakeLists.txt to adapt to new layout
2. Fix cmake build break
3. Update all new file license
4. Fully compatible with current compilation environment(use configure.sh or cmake as you choose)

------------------

How to test

From within nuttx/. Configure:

cmake -B build -DBOARD_CONFIG=sim/nsh -GNinja
cmake -B build -DBOARD_CONFIG=sim:nsh -GNinja
cmake -B build -DBOARD_CONFIG=sabre-6quad/smp -GNinja
cmake -B build -DBOARD_CONFIG=lm3s6965-ek/qemu-flat -GNinja

(or full path in custom board) :
cmake -B build -DBOARD_CONFIG=$PWD/boards/sim/sim/sim/configs/nsh -GNinja

This uses ninja generator (install with sudo apt install ninja-build). To build:

$ cmake --build build

menuconfig:

$ cmake --build build -t menuconfig

--------------------------

2. cmake/build: reformat the cmake style by cmake-format

https://github.com/cheshirekow/cmake_format

$ pip install cmakelang

$ for i in `find -name CMakeLists.txt`;do cmake-format $i -o $i;done
$ for i in `find -name *\.cmake`;do cmake-format $i -o $i;done

Co-authored-by: Matias N <matias@protobits.dev>
Signed-off-by: chao an <anchao@xiaomi.com>
 2023-07-08 13:50:48 +08:00
wangchen
693898d566 netdb/dns: fix dns wrong response ID error 
In every dns query, we use the new socket to avoid receiving last response ID

Signed-off-by: wangchen <wangchen41@xiaomi.com>
 2023-06-15 03:20:46 +08:00
chao an
589d4a9f8e net/semantic/parser: fix compile warning found by sparse 
Reference:
https://linux.die.net/man/1/sparse

Signed-off-by: chao an <anchao@xiaomi.com>
 2023-05-30 23:00:00 +08:00
Zhe Weng
e7043828a7 netdb: Regard hosts file prior to DNS when resolving 
- Linux: What inside /etc/hosts comes first.
- NuttX: Even if we write a domain in /etc/hosts, we still use DNS
         result instead of hosts lines. This patch change this behavior.

Signed-off-by: Zhe Weng <wengzhe@xiaomi.com>
 2023-05-18 14:50:08 -03:00
Zhe Weng
d8da8dcc44 libc: Print error code for unknown errors in strerror/gai_strerror 
Ref: Linux print unknown errors like "Unknown error nnn"
https://man7.org/linux/man-pages/man3/strerror.3.html#RETURN_VALUE

Note:
These interfaces are called at low freq, so a static buffer may be enough.

Signed-off-by: Zhe Weng <wengzhe@xiaomi.com>
 2023-04-22 01:46:39 +08:00
chao an
fa63da22ae libs/netdb: add sanity check to avoid null pointer reference 
Signed-off-by: chao an <anchao@xiaomi.com>
 2023-01-30 23:37:29 +08:00
zhanghongyu
4de0e626d0 Revert "netdb: fix access within misaligned address error" 
This reverts commit 3f94828f6b.

Signed-off-by: zhanghongyu <zhanghongyu@xiaomi.com>
 2023-01-29 14:35:01 +08:00
liangchaozhong
d8777fa77d invalid dns cache entry after ttl expires 
Log ttl after receive dns query and invalid dns cache entry when ttl expires.

Signed-off-by: liangchaozhong <liangchaozhong@xiaomi.com>
 2023-01-29 14:32:33 +08:00
anjiahao
287467b81b netdb: Add return check in rexec_af 
Signed-off-by: anjiahao <anjiahao@xiaomi.com>
 2023-01-27 15:31:28 -03:00
zhanghongyu
4de3387eb2 getaddrinfo: add AI_NUMERICHOST flag handle 
Signed-off-by: zhanghongyu <zhanghongyu@xiaomi.com>
 2023-01-12 01:40:11 +08:00
YAMAMOTO Takashi
bf7db14feb Suppress -Wsign-compare warning on a few places 2022-12-26 18:23:41 +08:00
chao an
0c21bc4e53 netdb/dns: add support of send timeout 
Signed-off-by: chao an <anchao@xiaomi.com>
 2022-12-16 09:51:15 +08:00
Xu Xingliang
252c6a1844 libc/netdb: add proto.c 
Signed-off-by: Xu Xingliang <xuxingliang@xiaomi.com>
 2022-12-10 02:36:24 +08:00
zhanghongyu
db4840564d dns: Reduce the dns_lock granularity 
When a7 curl calls dns_query via usrsock, it will wait a usrsock
response with the dns lock held. If a7 rptun recv a dns_addnameserver
event from another core at this time, rptun waits the lock held by
curl in callback. Then curl will never get its usrsock response with
rptun blocked, so the deadlock occurs.

This change will break lock when do usrsock request.

Signed-off-by: zhanghongyu <zhanghongyu@xiaomi.com>
 2022-11-11 20:07:05 +08:00
Xiang Xiao
36abcda0d2 lib/netdb: Rename dns_sem[take|give] with dns_[lock|unlock] 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-11-09 21:38:10 +01:00
raiden00pl
00aa822546 libs/libc/netdb/Kconfig: allow to enable LIBC_NETDB directly from menuconfig 2022-10-02 22:29:41 +08:00
Xiang Xiao
e38248ee08 Return -EINVAL for the internal API 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-09-30 17:54:56 +02:00
Xiang Xiao
40ef5bc6db libc: Move queue.h from include to include/nuttx 
to avoid the conflict with libuv's queue.h

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-09-26 08:04:58 +02:00
Xiang Xiao
bdcd232c98 libc/netdb: Let LIBC_GAISTRERROR/NETDB_BUFSIZE/NETDB_MAX_IPADDR depends on LIBC_NETDB 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-09-22 17:41:05 +02:00
Huang Qi
e4e3208180 Replace all strncpy with strlcpy for safety 
Signed-off-by: Huang Qi <huangqi3@xiaomi.com>
 2022-08-25 13:38:36 +08:00
zhanghongyu
daf39c03bd dns_client: directly initialize g_dns_servers and remove dns_initialize directly 
g_dns_servers need init before dns_query, Otherwise sim can not add default
dns server when use usrsock mode to share host network.

Avoid similar problems in the future, so directly initialize g_dns_servers.

Signed-off-by: zhanghongyu <zhanghongyu@xiaomi.com>
 2022-08-15 16:39:37 +03:00
Nathan Hartman
20bdd44e7b Remove executable permission from source and build files. 2022-08-04 12:48:18 -03:00
liyi25
1141ee28e9 delay creating DNS bind socket 
Signed-off-by: liyi <liyi25@xiaomi.com>
 2022-08-03 23:43:48 +08:00
Gustavo Henrique Nihei
9b0e3ae9d2 libs: Convert DEBUGASSERT(false) into more intuitive DEBUGPANIC() 
Signed-off-by: Gustavo Henrique Nihei <gustavo.nihei@espressif.com>
 2022-07-14 12:08:45 +08:00
Nathan Hartman
849f760b77 Fix various typos 2022-07-08 02:15:54 +08:00
anjiahao
b88a8cf39f use rmutex inside of all repeated implementation 
Signed-off-by: anjiahao <anjiahao@xiaomi.com>
 2022-05-30 19:43:48 +08:00
anjiahao
c843cb8a52 libc/net:use strlcpy instead of strncpy 
Signed-off-by: anjiahao <anjiahao@xiaomi.com>
 2022-04-12 21:16:11 +08:00
songlinzhang
8dd5d0d510 netdb/lib_dnsaddserver.c: Do not insert the duplicate DNS address 
Signed-off-by: songlinzhang <songlinzhang@xiaomi.com>
 2022-04-11 20:31:15 +08:00
Petro Karashchenko
d08fbca679 nuttx: unify FAR attribute usage across the code 
Signed-off-by: Petro Karashchenko <petro.karashchenko@gmail.com>
 2022-04-04 21:32:58 +08:00
Xiang Xiao
499c450d36 libc/netdb: Hold dns lock when operating with resolv.conf 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-04-04 19:48:36 +09:00
Xiang Xiao
cd695cd0d9 libc/netdb: Remove the temporary unlock in dns_foreach_nameserver 
since netdb support the recursive lock

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-04-04 19:48:36 +09:00
Xiang Xiao
a8cac59864 libc/netdb: Support the recursive lock 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-04-04 19:48:36 +09:00
ligd
a1eb3f66fa rexec: fix free error in error handing 
Signed-off-by: ligd <liguiding1@xiaomi.com>
 2022-03-29 10:09:04 +08:00
chao.an
484b930fd1 netdb/getaddrinfo: fix NULL pointer reference 
Signed-off-by: chao.an <anchao@xiaomi.com>
 2022-03-18 20:11:54 +02:00
chao.an
0f7ccf0c08 netdb/getaddrinfo: fix the compile warning 
netdb/lib_getaddrinfo.c: In function ‘alloc_ai’:
netdb/lib_getaddrinfo.c:80:9: warning: ‘strncpy’ specified bound 108 equals destination size [-Wstringop-truncation]
   80 |         strncpy(ai->sa.sun.sun_path, addr, sizeof(ai->sa.sun.sun_path));
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

netdb/lib_getaddrinfo.c: In function ‘alloc_ai’:
netdb/lib_getaddrinfo.c:103:9: warning: ‘strncpy’ specified bound 16 equals destination size [-Wstringop-truncation]
  103 |         strncpy(ai->sa.srp.rp_cpu, addr, sizeof(ai->sa.srp.rp_cpu));
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Signed-off-by: chao.an <anchao@xiaomi.com>
 2022-03-19 00:34:26 +08:00
songlinzhang
e2114378b9 Add dn resolution function 
Signed-off-by: songlinzhang <songlinzhang@xiaomi.com>
 2022-03-17 09:37:15 +02:00