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| author | Denys Vlasenko | 2018-04-17 12:43:54 +0200 |
|---|---|---|
| committer | Denys Vlasenko | 2018-04-17 12:43:54 +0200 |
| commit | 2aeb201c9751d4ee82978c623310e14b9e831b94 (patch) | |
| tree | 3f4d72e70d39889e981de68b56799ee2bf85ce78 /networking | |
| parent | 816d8d7a668b541cee99469edb90e4917ea11c3e (diff) | |
| download | busybox-2aeb201c9751d4ee82978c623310e14b9e831b94.zip busybox-2aeb201c9751d4ee82978c623310e14b9e831b94.tar.gz | |
libbb: new option FEATURE_ETC_SERVICES: if off, /etc/services reads often avoided
In practice, "wget http://host.com/" always uses port 80.
People explicitly set non-standard ports via options or parameters
("telnet 1.2.3.4 567" or "telnet 1.2.3.4 ftp") instead of modifying
/etc/services.
function old new delta
telnet_main 1466 1464 -2
rdate_main 215 198 -17
fakeidentd_main 269 252 -17
parse_url 459 392 -67
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/4 up/down: 0/-103) Total: -103 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'networking')
| -rw-r--r-- | networking/isrv_identd.c | 2 | ||||
| -rw-r--r-- | networking/telnet.c | 3 | ||||
| -rw-r--r-- | networking/wget.c | 8 |
3 files changed, 7 insertions, 6 deletions
diff --git a/networking/isrv_identd.c b/networking/isrv_identd.c index 133d62a..0c33dde 100644 --- a/networking/isrv_identd.c +++ b/networking/isrv_identd.c @@ -159,7 +159,7 @@ int fakeidentd_main(int argc UNUSED_PARAM, char **argv) fd = 0; if (!(opt & OPT_inetdwait)) { fd = create_and_bind_stream_or_die(bind_address, - bb_lookup_port("identd", "tcp", 113)); + bb_lookup_std_port("identd", "tcp", 113)); xlisten(fd, 5); } diff --git a/networking/telnet.c b/networking/telnet.c index 15d6a08..1e6be85 100644 --- a/networking/telnet.c +++ b/networking/telnet.c @@ -643,7 +643,8 @@ int telnet_main(int argc UNUSED_PARAM, char **argv) if (!*argv) bb_show_usage(); host = *argv++; - port = bb_lookup_port(*argv ? *argv++ : "telnet", "tcp", 23); + port = *argv ? bb_lookup_port(*argv++, "tcp", 23) + : bb_lookup_std_port("telnet", "tcp", 23); if (*argv) /* extra params?? */ bb_show_usage(); diff --git a/networking/wget.c b/networking/wget.c index 2650b53..b6c76e9 100644 --- a/networking/wget.c +++ b/networking/wget.c @@ -505,23 +505,23 @@ static void parse_url(const char *src_url, struct host_info *h) *p = '\0'; h->host = p + 3; if (strcmp(url, P_FTP) == 0) { - h->port = bb_lookup_port(P_FTP, "tcp", 21); + h->port = bb_lookup_std_port(P_FTP, "tcp", 21); } else #if SSL_SUPPORTED # if ENABLE_FEATURE_WGET_HTTPS if (strcmp(url, P_FTPS) == 0) { - h->port = bb_lookup_port(P_FTPS, "tcp", 990); + h->port = bb_lookup_std_port(P_FTPS, "tcp", 990); h->protocol = P_FTPS; } else # endif if (strcmp(url, P_HTTPS) == 0) { - h->port = bb_lookup_port(P_HTTPS, "tcp", 443); + h->port = bb_lookup_std_port(P_HTTPS, "tcp", 443); h->protocol = P_HTTPS; } else #endif if (strcmp(url, P_HTTP) == 0) { http: - h->port = bb_lookup_port(P_HTTP, "tcp", 80); + h->port = bb_lookup_std_port(P_HTTP, "tcp", 80); h->protocol = P_HTTP; } else { *p = ':'; |