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rtmp: drop support

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- librtmp has no test cases, makes no proper releases and has not had a
  single commit within the last year

- librtmp parses the URL itself and requires non-compliant URLs for this

- we have no RTMP tests

- RTMP was used by 2.2% of curl users (self-identified in the 2025
  survey)

Closes #20673
This commit is contained in:
Daniel Stenberg 2026-03-21 12:14:21 +01:00
parent ff28f67970
commit ceae02db04
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GPG key ID: 5CC908FDB71E12C2
37 changed files with 82 additions and 740 deletions
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141
lib/protocol.c
View file

@ -35,7 +35,6 @@
#include "curl_ldap.h"
#include "mqtt.h"
#include "pop3.h"
#include "curl_rtmp.h"
#include "rtsp.h"
#include "smb.h"
#include "smtp.h"
@ -267,84 +266,6 @@ const struct Curl_scheme Curl_scheme_pop3s = {
PORT_POP3S, /* defport */
};
const struct Curl_scheme Curl_scheme_rtmp = {
"rtmp", /* scheme */
#ifndef USE_LIBRTMP
ZERO_NULL,
#else
&Curl_protocol_rtmp,
#endif
CURLPROTO_RTMP, /* protocol */
CURLPROTO_RTMP, /* family */
PROTOPT_NONE, /* flags */
PORT_RTMP, /* defport */
};
const struct Curl_scheme Curl_scheme_rtmpt = {
"rtmpt", /* scheme */
#ifndef USE_LIBRTMP
ZERO_NULL,
#else
&Curl_protocol_rtmp,
#endif
CURLPROTO_RTMPT, /* protocol */
CURLPROTO_RTMPT, /* family */
PROTOPT_NONE, /* flags */
PORT_RTMPT, /* defport */
};
const struct Curl_scheme Curl_scheme_rtmpe = {
"rtmpe", /* scheme */
#ifndef USE_LIBRTMP
ZERO_NULL,
#else
&Curl_protocol_rtmp,
#endif
CURLPROTO_RTMPE, /* protocol */
CURLPROTO_RTMPE, /* family */
PROTOPT_NONE, /* flags */
PORT_RTMP, /* defport */
};
const struct Curl_scheme Curl_scheme_rtmpte = {
"rtmpte", /* scheme */
#ifndef USE_LIBRTMP
ZERO_NULL,
#else
&Curl_protocol_rtmp,
#endif
CURLPROTO_RTMPTE, /* protocol */
CURLPROTO_RTMPTE, /* family */
PROTOPT_NONE, /* flags */
PORT_RTMPT, /* defport */
};
const struct Curl_scheme Curl_scheme_rtmps = {
"rtmps", /* scheme */
#ifndef USE_LIBRTMP
ZERO_NULL,
#else
&Curl_protocol_rtmp,
#endif
CURLPROTO_RTMPS, /* protocol */
CURLPROTO_RTMP, /* family */
PROTOPT_NONE, /* flags */
PORT_RTMPS, /* defport */
};
const struct Curl_scheme Curl_scheme_rtmpts = {
"rtmpts", /* scheme */
#ifndef USE_LIBRTMP
ZERO_NULL,
#else
&Curl_protocol_rtmp,
#endif
CURLPROTO_RTMPTS, /* protocol */
CURLPROTO_RTMPT, /* family */
PROTOPT_NONE, /* flags */
PORT_RTMPS, /* defport */
};
const struct Curl_scheme Curl_scheme_rtsp = {
"rtsp", /* scheme */
#ifdef CURL_DISABLE_RTSP
@ -510,55 +431,49 @@ const struct Curl_scheme *Curl_getn_scheme(const char *scheme, size_t len)
6. make sure this function uses the same hash function that worked for
schemetable.c
*/
static const struct Curl_scheme * const all_schemes[67] = {
&Curl_scheme_file,
&Curl_scheme_mqtts, NULL,
&Curl_scheme_gophers, NULL,
&Curl_scheme_rtmpe,
&Curl_scheme_smtp,
&Curl_scheme_sftp,
&Curl_scheme_smb,
&Curl_scheme_smtps,
&Curl_scheme_telnet,
&Curl_scheme_gopher,
&Curl_scheme_tftp, NULL, NULL, NULL,
&Curl_scheme_ftps,
&Curl_scheme_http,
&Curl_scheme_imap,
&Curl_scheme_rtmps,
&Curl_scheme_rtmpt, NULL, NULL, NULL,
&Curl_scheme_ldaps,
&Curl_scheme_wss,
&Curl_scheme_https, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
&Curl_scheme_rtsp,
&Curl_scheme_smbs,
&Curl_scheme_scp, NULL, NULL, NULL,
&Curl_scheme_pop3, NULL, NULL,
&Curl_scheme_rtmp, NULL, NULL, NULL,
&Curl_scheme_rtmpte, NULL, NULL, NULL,
&Curl_scheme_dict, NULL, NULL, NULL,
static const struct Curl_scheme * const all_schemes[47] = {
&Curl_scheme_mqtt,
&Curl_scheme_smtp,
&Curl_scheme_tftp,
&Curl_scheme_imap, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
&Curl_scheme_ldaps,
&Curl_scheme_dict, NULL,
&Curl_scheme_file, NULL,
&Curl_scheme_pop3s,
&Curl_scheme_imaps, NULL,
&Curl_scheme_ws, NULL,
&Curl_scheme_rtmpts,
&Curl_scheme_ldap, NULL, NULL,
&Curl_scheme_ftp,
&Curl_scheme_scp,
&Curl_scheme_mqtts,
&Curl_scheme_imaps,
&Curl_scheme_ldap,
&Curl_scheme_http,
&Curl_scheme_smb, NULL, NULL,
&Curl_scheme_telnet,
&Curl_scheme_https,
&Curl_scheme_gopher,
&Curl_scheme_rtsp, NULL, NULL,
&Curl_scheme_wss, NULL,
&Curl_scheme_gophers,
&Curl_scheme_smtps,
&Curl_scheme_pop3,
&Curl_scheme_ws, NULL, NULL,
&Curl_scheme_sftp,
&Curl_scheme_ftps, NULL,
&Curl_scheme_smbs, NULL,
};
if(len && (len <= 7)) {
const char *s = scheme;
size_t l = len;
const struct Curl_scheme *h;
unsigned int c = 978;
unsigned int c = 792;
while(l) {
c <<= 5;
c <<= 4;
c += (unsigned int)Curl_raw_tolower(*s);
s++;
l--;
}
h = all_schemes[c % 67];
h = all_schemes[c % 47];
if(h && curl_strnequal(scheme, h->name, len) && !h->name[len])
return h;
}