diff options
Diffstat (limited to 'libavformat/http.c')
| -rw-r--r-- | libavformat/http.c | 883 |
1 files changed, 764 insertions, 119 deletions
diff --git a/libavformat/http.c b/libavformat/http.c index 8fe8d11e1e..d06103ab6d 100644 --- a/libavformat/http.c +++ b/libavformat/http.c @@ -1,21 +1,21 @@ /* - * HTTP protocol for avconv client + * HTTP protocol for ffmpeg client * Copyright (c) 2000, 2001 Fabrice Bellard * - * This file is part of Libav. + * This file is part of FFmpeg. * - * Libav is free software; you can redistribute it and/or + * FFmpeg 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. * - * Libav is distributed in the hope that it will be useful, + * FFmpeg 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 Libav; if not, write to the Free Software + * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ @@ -25,8 +25,11 @@ #include <zlib.h> #endif /* CONFIG_ZLIB */ +#include "libavutil/avassert.h" #include "libavutil/avstring.h" #include "libavutil/opt.h" +#include "libavutil/time.h" +#include "libavutil/parseutils.h" #include "avformat.h" #include "http.h" @@ -36,7 +39,7 @@ #include "os_support.h" #include "url.h" -/* XXX: POST protocol is not completely implemented because avconv uses +/* XXX: POST protocol is not completely implemented because ffmpeg uses * only a subset of it. */ /* The IO buffer size is unrelated to the max URL size in itself, but needs @@ -44,6 +47,16 @@ * path names). */ #define BUFFER_SIZE MAX_URL_SIZE #define MAX_REDIRECTS 8 +#define HTTP_SINGLE 1 +#define HTTP_MUTLI 2 +#define MAX_EXPIRY 19 +#define WHITESPACES " \n\t\r" +typedef enum { + LOWER_PROTO, + READ_HEADERS, + WRITE_REPLY_HEADERS, + FINISH +}HandshakeState; typedef struct HTTPContext { const AVClass *class; @@ -52,18 +65,23 @@ typedef struct HTTPContext { int line_count; int http_code; /* Used if "Transfer-Encoding: chunked" otherwise -1. */ - int64_t chunksize; - int64_t off, end_off, filesize; + uint64_t chunksize; + uint64_t off, end_off, filesize; char *location; HTTPAuthState auth_state; HTTPAuthState proxy_auth_state; + char *http_proxy; char *headers; char *mime_type; char *user_agent; +#if FF_API_HTTP_USER_AGENT + char *user_agent_deprecated; +#endif char *content_type; /* Set if the server correctly handles Connection: close and will close * the connection after feeding us the content. */ int willclose; + int seekable; /**< Control seekability, 0 = disable, 1 = enable, -1 = probe. */ int chunked_post; /* A flag which indicates if the end of chunked encoding has been sent. */ int end_chunked_post; @@ -73,11 +91,16 @@ typedef struct HTTPContext { int multiple_requests; uint8_t *post_data; int post_datalen; + int is_akamai; + int is_mediagateway; + char *cookies; ///< holds newline (\n) delimited Set-Cookie header field values (without the "Set-Cookie: " field name) + /* A dictionary containing cookies keyed by cookie name */ + AVDictionary *cookie_dict; int icy; /* how much data was read since the last ICY metadata packet */ - int icy_data_read; + uint64_t icy_data_read; /* after how many bytes of read data a new metadata packet will be found */ - int icy_metaint; + uint64_t icy_metaint; char *icy_metadata_headers; char *icy_metadata_packet; AVDictionary *metadata; @@ -89,6 +112,17 @@ typedef struct HTTPContext { AVDictionary *chained_options; int send_expect_100; char *method; + int reconnect; + int reconnect_at_eof; + int reconnect_streamed; + int reconnect_delay; + int reconnect_delay_max; + int listen; + char *resource; + int reply_code; + int is_multi_client; + HandshakeState handshake_step; + int is_connected_server; } HTTPContext; #define OFFSET(x) offsetof(HTTPContext, x) @@ -97,32 +131,45 @@ typedef struct HTTPContext { #define DEFAULT_USER_AGENT "Lavf/" AV_STRINGIFY(LIBAVFORMAT_VERSION) static const AVOption options[] = { - { "chunked_post", "use chunked transfer-encoding for posts", OFFSET(chunked_post), AV_OPT_TYPE_INT, { .i64 = 1 }, 0, 1, E }, - { "headers", "set custom HTTP headers, can override built in default headers", OFFSET(headers), AV_OPT_TYPE_STRING, { 0 }, 0, 0, D | E }, - { "content_type", "set a specific content type for the POST messages", OFFSET(content_type), AV_OPT_TYPE_STRING, { 0 }, 0, 0, D | E }, + { "seekable", "control seekability of connection", OFFSET(seekable), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, D }, + { "chunked_post", "use chunked transfer-encoding for posts", OFFSET(chunked_post), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, E }, + { "http_proxy", "set HTTP proxy to tunnel through", OFFSET(http_proxy), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, D | E }, + { "headers", "set custom HTTP headers, can override built in default headers", OFFSET(headers), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, D | E }, + { "content_type", "set a specific content type for the POST messages", OFFSET(content_type), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, D | E }, { "user_agent", "override User-Agent header", OFFSET(user_agent), AV_OPT_TYPE_STRING, { .str = DEFAULT_USER_AGENT }, 0, 0, D }, - { "user-agent", "override User-Agent header, for compatibility with ffmpeg", OFFSET(user_agent), AV_OPT_TYPE_STRING, { .str = DEFAULT_USER_AGENT }, 0, 0, D }, - { "multiple_requests", "use persistent connections", OFFSET(multiple_requests), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, D | E }, +#if FF_API_HTTP_USER_AGENT + { "user-agent", "override User-Agent header", OFFSET(user_agent_deprecated), AV_OPT_TYPE_STRING, { .str = DEFAULT_USER_AGENT }, 0, 0, D }, +#endif + { "multiple_requests", "use persistent connections", OFFSET(multiple_requests), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, D | E }, { "post_data", "set custom HTTP post data", OFFSET(post_data), AV_OPT_TYPE_BINARY, .flags = D | E }, - { "mime_type", "export the MIME type", OFFSET(mime_type), AV_OPT_TYPE_STRING, { 0 }, 0, 0, AV_OPT_FLAG_EXPORT | AV_OPT_FLAG_READONLY }, - { "icy", "request ICY metadata", OFFSET(icy), AV_OPT_TYPE_INT, { .i64 = 1 }, 0, 1, D }, - { "icy_metadata_headers", "return ICY metadata headers", OFFSET(icy_metadata_headers), AV_OPT_TYPE_STRING, { 0 }, 0, 0, AV_OPT_FLAG_EXPORT }, - { "icy_metadata_packet", "return current ICY metadata packet", OFFSET(icy_metadata_packet), AV_OPT_TYPE_STRING, { 0 }, 0, 0, AV_OPT_FLAG_EXPORT }, + { "mime_type", "export the MIME type", OFFSET(mime_type), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, AV_OPT_FLAG_EXPORT | AV_OPT_FLAG_READONLY }, + { "cookies", "set cookies to be sent in applicable future requests, use newline delimited Set-Cookie HTTP field value syntax", OFFSET(cookies), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, D }, + { "icy", "request ICY metadata", OFFSET(icy), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, D }, + { "icy_metadata_headers", "return ICY metadata headers", OFFSET(icy_metadata_headers), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, AV_OPT_FLAG_EXPORT }, + { "icy_metadata_packet", "return current ICY metadata packet", OFFSET(icy_metadata_packet), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, AV_OPT_FLAG_EXPORT }, { "metadata", "metadata read from the bitstream", OFFSET(metadata), AV_OPT_TYPE_DICT, {0}, 0, 0, AV_OPT_FLAG_EXPORT }, { "auth_type", "HTTP authentication type", OFFSET(auth_state.auth_type), AV_OPT_TYPE_INT, { .i64 = HTTP_AUTH_NONE }, HTTP_AUTH_NONE, HTTP_AUTH_BASIC, D | E, "auth_type"}, { "none", "No auth method set, autodetect", 0, AV_OPT_TYPE_CONST, { .i64 = HTTP_AUTH_NONE }, 0, 0, D | E, "auth_type"}, { "basic", "HTTP basic authentication", 0, AV_OPT_TYPE_CONST, { .i64 = HTTP_AUTH_BASIC }, 0, 0, D | E, "auth_type"}, - { "send_expect_100", "Force sending an Expect: 100-continue header for POST", OFFSET(send_expect_100), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, E }, - { "location", "The actual location of the data received", OFFSET(location), AV_OPT_TYPE_STRING, { 0 }, 0, 0, D | E }, + { "send_expect_100", "Force sending an Expect: 100-continue header for POST", OFFSET(send_expect_100), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, E }, + { "location", "The actual location of the data received", OFFSET(location), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, D | E }, { "offset", "initial byte offset", OFFSET(off), AV_OPT_TYPE_INT64, { .i64 = 0 }, 0, INT64_MAX, D }, { "end_offset", "try to limit the request to bytes preceding this offset", OFFSET(end_off), AV_OPT_TYPE_INT64, { .i64 = 0 }, 0, INT64_MAX, D }, - { "method", "Override the HTTP method", OFFSET(method), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, E }, + { "method", "Override the HTTP method or set the expected HTTP method from a client", OFFSET(method), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, D | E }, + { "reconnect", "auto reconnect after disconnect before EOF", OFFSET(reconnect), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, D }, + { "reconnect_at_eof", "auto reconnect at EOF", OFFSET(reconnect_at_eof), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, D }, + { "reconnect_streamed", "auto reconnect streamed / non seekable streams", OFFSET(reconnect_streamed), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, D }, + { "reconnect_delay_max", "max reconnect delay in seconds after which to give up", OFFSET(reconnect_delay_max), AV_OPT_TYPE_INT, { .i64 = 120 }, 0, UINT_MAX/1000/1000, D }, + { "listen", "listen on HTTP", OFFSET(listen), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 2, D | E }, + { "resource", "The resource requested by a client", OFFSET(resource), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, E }, + { "reply_code", "The http status code to return to a client", OFFSET(reply_code), AV_OPT_TYPE_INT, { .i64 = 200}, INT_MIN, 599, E}, { NULL } }; static int http_connect(URLContext *h, const char *path, const char *local_path, const char *hoststr, const char *auth, const char *proxyauth, int *new_location); +static int http_read_header(URLContext *h, int *new_location); void ff_http_init_auth_state(URLContext *dest, const URLContext *src) { @@ -149,7 +196,7 @@ static int http_open_cnx_internal(URLContext *h, AVDictionary **options) path1, sizeof(path1), s->location); ff_url_join(hoststr, sizeof(hoststr), NULL, NULL, hostname, port, NULL); - proxy_path = getenv("http_proxy"); + proxy_path = s->http_proxy ? s->http_proxy : getenv("http_proxy"); use_proxy = !ff_http_match_no_proxy(getenv("no_proxy"), hostname) && proxy_path && av_strstart(proxy_path, "http://", NULL); @@ -180,8 +227,9 @@ static int http_open_cnx_internal(URLContext *h, AVDictionary **options) ff_url_join(buf, sizeof(buf), lower_proto, NULL, hostname, port, NULL); if (!s->hd) { - err = ffurl_open(&s->hd, buf, AVIO_FLAG_READ_WRITE, - &h->interrupt_callback, options, h->protocols, h); + err = ffurl_open_whitelist(&s->hd, buf, AVIO_FLAG_READ_WRITE, + &h->interrupt_callback, options, + h->protocol_whitelist, h->protocol_blacklist, h); if (err < 0) return err; } @@ -201,6 +249,8 @@ static int http_open_cnx(URLContext *h, AVDictionary **options) HTTPContext *s = h->priv_data; int location_changed, attempts = 0, redirects = 0; redo: + av_dict_copy(options, s->chained_options, 0); + cur_auth_type = s->auth_state.auth_type; cur_proxy_auth_type = s->auth_state.auth_type; @@ -212,8 +262,7 @@ redo: if (s->http_code == 401) { if ((cur_auth_type == HTTP_AUTH_NONE || s->auth_state.stale) && s->auth_state.auth_type != HTTP_AUTH_NONE && attempts < 4) { - ffurl_close(s->hd); - s->hd = NULL; + ffurl_closep(&s->hd); goto redo; } else goto fail; @@ -221,8 +270,7 @@ redo: if (s->http_code == 407) { if ((cur_proxy_auth_type == HTTP_AUTH_NONE || s->proxy_auth_state.stale) && s->proxy_auth_state.auth_type != HTTP_AUTH_NONE && attempts < 4) { - ffurl_close(s->hd); - s->hd = NULL; + ffurl_closep(&s->hd); goto redo; } else goto fail; @@ -231,8 +279,7 @@ redo: s->http_code == 303 || s->http_code == 307) && location_changed == 1) { /* url moved, get next */ - ffurl_close(s->hd); - s->hd = NULL; + ffurl_closep(&s->hd); if (redirects++ >= MAX_REDIRECTS) return AVERROR(EIO); /* Restart the authentication process with the new target, which @@ -246,9 +293,10 @@ redo: fail: if (s->hd) - ffurl_close(s->hd); - s->hd = NULL; - return AVERROR(EIO); + ffurl_closep(&s->hd); + if (location_changed < 0) + return location_changed; + return ff_http_averror(s->http_code, AVERROR(EIO)); } int ff_http_do_new_request(URLContext *h, const char *uri) @@ -264,21 +312,187 @@ int ff_http_do_new_request(URLContext *h, const char *uri) if (!s->location) return AVERROR(ENOMEM); - av_dict_copy(&options, s->chained_options, 0); ret = http_open_cnx(h, &options); av_dict_free(&options); return ret; } +int ff_http_averror(int status_code, int default_averror) +{ + switch (status_code) { + case 400: return AVERROR_HTTP_BAD_REQUEST; + case 401: return AVERROR_HTTP_UNAUTHORIZED; + case 403: return AVERROR_HTTP_FORBIDDEN; + case 404: return AVERROR_HTTP_NOT_FOUND; + default: break; + } + if (status_code >= 400 && status_code <= 499) + return AVERROR_HTTP_OTHER_4XX; + else if (status_code >= 500) + return AVERROR_HTTP_SERVER_ERROR; + else + return default_averror; +} + +static int http_write_reply(URLContext* h, int status_code) +{ + int ret, body = 0, reply_code, message_len; + const char *reply_text, *content_type; + HTTPContext *s = h->priv_data; + char message[BUFFER_SIZE]; + content_type = "text/plain"; + + if (status_code < 0) + body = 1; + switch (status_code) { + case AVERROR_HTTP_BAD_REQUEST: + case 400: + reply_code = 400; + reply_text = "Bad Request"; + break; + case AVERROR_HTTP_FORBIDDEN: + case 403: + reply_code = 403; + reply_text = "Forbidden"; + break; + case AVERROR_HTTP_NOT_FOUND: + case 404: + reply_code = 404; + reply_text = "Not Found"; + break; + case 200: + reply_code = 200; + reply_text = "OK"; + content_type = s->content_type ? s->content_type : "application/octet-stream"; + break; + case AVERROR_HTTP_SERVER_ERROR: + case 500: + reply_code = 500; + reply_text = "Internal server error"; + break; + default: + return AVERROR(EINVAL); + } + if (body) { + s->chunked_post = 0; + message_len = snprintf(message, sizeof(message), + "HTTP/1.1 %03d %s\r\n" + "Content-Type: %s\r\n" + "Content-Length: %"SIZE_SPECIFIER"\r\n" + "%s" + "\r\n" + "%03d %s\r\n", + reply_code, + reply_text, + content_type, + strlen(reply_text) + 6, // 3 digit status code + space + \r\n + s->headers ? s->headers : "", + reply_code, + reply_text); + } else { + s->chunked_post = 1; + message_len = snprintf(message, sizeof(message), + "HTTP/1.1 %03d %s\r\n" + "Content-Type: %s\r\n" + "Transfer-Encoding: chunked\r\n" + "%s" + "\r\n", + reply_code, + reply_text, + content_type, + s->headers ? s->headers : ""); + } + av_log(h, AV_LOG_TRACE, "HTTP reply header: \n%s----\n", message); + if ((ret = ffurl_write(s->hd, message, message_len)) < 0) + return ret; + return 0; +} + +static void handle_http_errors(URLContext *h, int error) +{ + av_assert0(error < 0); + http_write_reply(h, error); +} + +static int http_handshake(URLContext *c) +{ + int ret, err, new_location; + HTTPContext *ch = c->priv_data; + URLContext *cl = ch->hd; + switch (ch->handshake_step) { + case LOWER_PROTO: + av_log(c, AV_LOG_TRACE, "Lower protocol\n"); + if ((ret = ffurl_handshake(cl)) > 0) + return 2 + ret; + if (ret < 0) + return ret; + ch->handshake_step = READ_HEADERS; + ch->is_connected_server = 1; + return 2; + case READ_HEADERS: + av_log(c, AV_LOG_TRACE, "Read headers\n"); + if ((err = http_read_header(c, &new_location)) < 0) { + handle_http_errors(c, err); + return err; + } + ch->handshake_step = WRITE_REPLY_HEADERS; + return 1; + case WRITE_REPLY_HEADERS: + av_log(c, AV_LOG_TRACE, "Reply code: %d\n", ch->reply_code); + if ((err = http_write_reply(c, ch->reply_code)) < 0) + return err; + ch->handshake_step = FINISH; + return 1; + case FINISH: + return 0; + } + // this should never be reached. + return AVERROR(EINVAL); +} + +static int http_listen(URLContext *h, const char *uri, int flags, + AVDictionary **options) { + HTTPContext *s = h->priv_data; + int ret; + char hostname[1024], proto[10]; + char lower_url[100]; + const char *lower_proto = "tcp"; + int port; + av_url_split(proto, sizeof(proto), NULL, 0, hostname, sizeof(hostname), &port, + NULL, 0, uri); + if (!strcmp(proto, "https")) + lower_proto = "tls"; + ff_url_join(lower_url, sizeof(lower_url), lower_proto, NULL, hostname, port, + NULL); + if ((ret = av_dict_set_int(options, "listen", s->listen, 0)) < 0) + goto fail; + if ((ret = ffurl_open_whitelist(&s->hd, lower_url, AVIO_FLAG_READ_WRITE, + &h->interrupt_callback, options, + h->protocol_whitelist, h->protocol_blacklist, h + )) < 0) + goto fail; + s->handshake_step = LOWER_PROTO; + if (s->listen == HTTP_SINGLE) { /* single client */ + s->reply_code = 200; + while ((ret = http_handshake(h)) > 0); + } +fail: + av_dict_free(&s->chained_options); + return ret; +} + static int http_open(URLContext *h, const char *uri, int flags, AVDictionary **options) { HTTPContext *s = h->priv_data; int ret; - h->is_streamed = 1; + if( s->seekable == 1 ) + h->is_streamed = 0; + else + h->is_streamed = 1; - s->filesize = -1; + s->filesize = UINT64_MAX; s->location = av_strdup(uri); if (!s->location) return AVERROR(ENOMEM); @@ -299,12 +513,35 @@ static int http_open(URLContext *h, const char *uri, int flags, } } + if (s->listen) { + return http_listen(h, uri, flags, options); + } ret = http_open_cnx(h, options); if (ret < 0) av_dict_free(&s->chained_options); return ret; } +static int http_accept(URLContext *s, URLContext **c) +{ + int ret; + HTTPContext *sc = s->priv_data; + HTTPContext *cc; + URLContext *sl = sc->hd; + URLContext *cl = NULL; + + av_assert0(sc->listen); + if ((ret = ffurl_alloc(c, s->filename, s->flags, &sl->interrupt_callback)) < 0) + goto fail; + cc = (*c)->priv_data; + if ((ret = ffurl_accept(sl, &cl)) < 0) + goto fail; + cc->hd = cl; + cc->is_multi_client = 1; +fail: + return ret; +} + static int http_getc(HTTPContext *s) { int len; @@ -356,7 +593,7 @@ static int check_http_code(URLContext *h, int http_code, const char *end) (http_code != 407 || s->proxy_auth_state.auth_type != HTTP_AUTH_NONE)) { end += strspn(end, SPACE_CHARS); av_log(h, AV_LOG_WARNING, "HTTP error %d %s\n", http_code, end); - return AVERROR(EIO); + return ff_http_averror(http_code, AVERROR(EIO)); } return 0; } @@ -382,11 +619,12 @@ static void parse_content_range(URLContext *h, const char *p) if (!strncmp(p, "bytes ", 6)) { p += 6; - s->off = strtoll(p, NULL, 10); + s->off = strtoull(p, NULL, 10); if ((slash = strchr(p, '/')) && strlen(slash) > 0) - s->filesize = strtoll(slash + 1, NULL, 10); + s->filesize = strtoull(slash + 1, NULL, 10); } - h->is_streamed = 0; /* we _can_ in fact seek */ + if (s->seekable == -1 && (!s->is_akamai || s->filesize != 2147483647)) + h->is_streamed = 0; /* we _can_ in fact seek */ } static int parse_content_encoding(URLContext *h, const char *p) @@ -418,7 +656,6 @@ static int parse_content_encoding(URLContext *h, const char *p) // the header at all if this is the case). } else { av_log(h, AV_LOG_WARNING, "Unknown content coding: %s\n", p); - return AVERROR(ENOSYS); } return 0; } @@ -446,11 +683,151 @@ static int parse_icy(HTTPContext *s, const char *tag, const char *p) return 0; } +static int parse_set_cookie_expiry_time(const char *exp_str, struct tm *buf) +{ + char exp_buf[MAX_EXPIRY]; + int i, j, exp_buf_len = MAX_EXPIRY-1; + char *expiry; + + // strip off any punctuation or whitespace + for (i = 0, j = 0; exp_str[i] != '\0' && j < exp_buf_len; i++) { + if ((exp_str[i] >= '0' && exp_str[i] <= '9') || + (exp_str[i] >= 'A' && exp_str[i] <= 'Z') || + (exp_str[i] >= 'a' && exp_str[i] <= 'z')) { + exp_buf[j] = exp_str[i]; + j++; + } + } + exp_buf[j] = '\0'; + expiry = exp_buf; + + // move the string beyond the day of week + while ((*expiry < '0' || *expiry > '9') && *expiry != '\0') + expiry++; + + return av_small_strptime(expiry, "%d%b%Y%H%M%S", buf) ? 0 : AVERROR(EINVAL); +} + +static int parse_set_cookie(const char *set_cookie, AVDictionary **dict) +{ + char *param, *next_param, *cstr, *back; + + if (!(cstr = av_strdup(set_cookie))) + return AVERROR(EINVAL); + + // strip any trailing whitespace + back = &cstr[strlen(cstr)-1]; + while (strchr(WHITESPACES, *back)) { + *back='\0'; + back--; + } + + next_param = cstr; + while ((param = av_strtok(next_param, ";", &next_param))) { + char *name, *value; + param += strspn(param, WHITESPACES); + if ((name = av_strtok(param, "=", &value))) { + if (av_dict_set(dict, name, value, 0) < 0) { + av_free(cstr); + return -1; + } + } + } + + av_free(cstr); + return 0; +} + +static int parse_cookie(HTTPContext *s, const char *p, AVDictionary **cookies) +{ + AVDictionary *new_params = NULL; + AVDictionaryEntry *e, *cookie_entry; + char *eql, *name; + + // ensure the cookie is parsable + if (parse_set_cookie(p, &new_params)) + return -1; + + // if there is no cookie value there is nothing to parse + cookie_entry = av_dict_get(new_params, "", NULL, AV_DICT_IGNORE_SUFFIX); + if (!cookie_entry || !cookie_entry->value) { + av_dict_free(&new_params); + return -1; + } + + // ensure the cookie is not expired or older than an existing value + if ((e = av_dict_get(new_params, "expires", NULL, 0)) && e->value) { + struct tm new_tm = {0}; + if (!parse_set_cookie_expiry_time(e->value, &new_tm)) { + AVDictionaryEntry *e2; + + // if the cookie has already expired ignore it + if (av_timegm(&new_tm) < av_gettime() / 1000000) { + av_dict_free(&new_params); + return -1; + } + + // only replace an older cookie with the same name + e2 = av_dict_get(*cookies, cookie_entry->key, NULL, 0); + if (e2 && e2->value) { + AVDictionary *old_params = NULL; + if (!parse_set_cookie(p, &old_params)) { + e2 = av_dict_get(old_params, "expires", NULL, 0); + if (e2 && e2->value) { + struct tm old_tm = {0}; + if (!parse_set_cookie_expiry_time(e->value, &old_tm)) { + if (av_timegm(&new_tm) < av_timegm(&old_tm)) { + av_dict_free(&new_params); + av_dict_free(&old_params); + return -1; + } + } + } + } + av_dict_free(&old_params); + } + } + } + + // duplicate the cookie name (dict will dupe the value) + if (!(eql = strchr(p, '='))) return AVERROR(EINVAL); + if (!(name = av_strndup(p, eql - p))) return AVERROR(ENOMEM); + + // add the cookie to the dictionary + av_dict_set(cookies, name, eql, AV_DICT_DONT_STRDUP_KEY); + + return 0; +} + +static int cookie_string(AVDictionary *dict, char **cookies) +{ + AVDictionaryEntry *e = NULL; + int len = 1; + + // determine how much memory is needed for the cookies string + while (e = av_dict_get(dict, "", e, AV_DICT_IGNORE_SUFFIX)) + len += strlen(e->key) + strlen(e->value) + 1; + + // reallocate the cookies + e = NULL; + if (*cookies) av_free(*cookies); + *cookies = av_malloc(len); + if (!*cookies) return AVERROR(ENOMEM); + *cookies[0] = '\0'; + + // write out the cookies + while (e = av_dict_get(dict, "", e, AV_DICT_IGNORE_SUFFIX)) + av_strlcatf(*cookies, len, "%s%s\n", e->key, e->value); + + return 0; +} + static int process_line(URLContext *h, char *line, int line_count, int *new_location) { HTTPContext *s = h->priv_data; - char *tag, *p, *end; + const char *auto_method = h->flags & AVIO_FLAG_READ ? "POST" : "GET"; + char *tag, *p, *end, *method, *resource, *version; int ret; /* end of header */ @@ -461,16 +838,66 @@ static int process_line(URLContext *h, char *line, int line_count, p = line; if (line_count == 0) { - while (!av_isspace(*p) && *p != '\0') - p++; - while (av_isspace(*p)) - p++; - s->http_code = strtol(p, &end, 10); + if (s->is_connected_server) { + // HTTP method + method = p; + while (*p && !av_isspace(*p)) + p++; + *(p++) = '\0'; + av_log(h, AV_LOG_TRACE, "Received method: %s\n", method); + if (s->method) { + if (av_strcasecmp(s->method, method)) { + av_log(h, AV_LOG_ERROR, "Received and expected HTTP method do not match. (%s expected, %s received)\n", + s->method, method); + return ff_http_averror(400, AVERROR(EIO)); + } + } else { + // use autodetected HTTP method to expect + av_log(h, AV_LOG_TRACE, "Autodetected %s HTTP method\n", auto_method); + if (av_strcasecmp(auto_method, method)) { + av_log(h, AV_LOG_ERROR, "Received and autodetected HTTP method did not match " + "(%s autodetected %s received)\n", auto_method, method); + return ff_http_averror(400, AVERROR(EIO)); + } + if (!(s->method = av_strdup(method))) + return AVERROR(ENOMEM); + } - av_log(NULL, AV_LOG_TRACE, "http_code=%d\n", s->http_code); + // HTTP resource + while (av_isspace(*p)) + p++; + resource = p; + while (!av_isspace(*p)) + p++; + *(p++) = '\0'; + av_log(h, AV_LOG_TRACE, "Requested resource: %s\n", resource); + if (!(s->resource = av_strdup(resource))) + return AVERROR(ENOMEM); + + // HTTP version + while (av_isspace(*p)) + p++; + version = p; + while (*p && !av_isspace(*p)) + p++; + *p = '\0'; + if (av_strncasecmp(version, "HTTP/", 5)) { + av_log(h, AV_LOG_ERROR, "Malformed HTTP version string.\n"); + return ff_http_averror(400, AVERROR(EIO)); + } + av_log(h, AV_LOG_TRACE, "HTTP version string: %s\n", version); + } else { + while (!av_isspace(*p) && *p != '\0') + p++; + while (av_isspace(*p)) + p++; + s->http_code = strtol(p, &end, 10); - if ((ret = check_http_code(h, s->http_code, end)) < 0) - return ret; + av_log(h, AV_LOG_TRACE, "http_code=%d\n", s->http_code); + + if ((ret = check_http_code(h, s->http_code, end)) < 0) + return ret; + } } else { while (*p != '\0' && *p != ':') p++; @@ -486,16 +913,18 @@ static int process_line(URLContext *h, char *line, int line_count, if ((ret = parse_location(s, p)) < 0) return ret; *new_location = 1; - } else if (!av_strcasecmp(tag, "Content-Length") && s->filesize == -1) { - s->filesize = strtoll(p, NULL, 10); + } else if (!av_strcasecmp(tag, "Content-Length") && + s->filesize == UINT64_MAX) { + s->filesize = strtoull(p, NULL, 10); } else if (!av_strcasecmp(tag, "Content-Range")) { parse_content_range(h, p); } else if (!av_strcasecmp(tag, "Accept-Ranges") && - !strncmp(p, "bytes", 5)) { + !strncmp(p, "bytes", 5) && + s->seekable == -1) { h->is_streamed = 0; } else if (!av_strcasecmp(tag, "Transfer-Encoding") && !av_strncasecmp(p, "chunked", 7)) { - s->filesize = -1; + s->filesize = UINT64_MAX; s->chunksize = 0; } else if (!av_strcasecmp(tag, "WWW-Authenticate")) { ff_http_auth_handle_header(&s->auth_state, tag, p); @@ -506,11 +935,20 @@ static int process_line(URLContext *h, char *line, int line_count, } else if (!av_strcasecmp(tag, "Connection")) { if (!strcmp(p, "close")) s->willclose = 1; + } else if (!av_strcasecmp(tag, "Server")) { + if (!av_strcasecmp(p, "AkamaiGHost")) { + s->is_akamai = 1; + } else if (!av_strncasecmp(p, "MediaGateway", 12)) { + s->is_mediagateway = 1; + } } else if (!av_strcasecmp(tag, "Content-Type")) { av_free(s->mime_type); s->mime_type = av_strdup(p); + } else if (!av_strcasecmp(tag, "Set-Cookie")) { + if (parse_cookie(s, p, &s->cookie_dict)) + av_log(h, AV_LOG_WARNING, "Unable to parse '%s'\n", p); } else if (!av_strcasecmp(tag, "Icy-MetaInt")) { - s->icy_metaint = strtoll(p, NULL, 10); + s->icy_metaint = strtoull(p, NULL, 10); } else if (!av_strncasecmp(tag, "Icy-", 4)) { if ((ret = parse_icy(s, tag, p)) < 0) return ret; @@ -522,6 +960,104 @@ static int process_line(URLContext *h, char *line, int line_count, return 1; } +/** + * Create a string containing cookie values for use as a HTTP cookie header + * field value for a particular path and domain from the cookie values stored in + * the HTTP protocol context. The cookie string is stored in *cookies. + * + * @return a negative value if an error condition occurred, 0 otherwise + */ +static int get_cookies(HTTPContext *s, char **cookies, const char *path, + const char *domain) +{ + // cookie strings will look like Set-Cookie header field values. Multiple + // Set-Cookie fields will result in multiple values delimited by a newline + int ret = 0; + char *cookie, *set_cookies = av_strdup(s->cookies), *next = set_cookies; + + if (!set_cookies) return AVERROR(EINVAL); + + // destroy any cookies in the dictionary. + av_dict_free(&s->cookie_dict); + + *cookies = NULL; + while ((cookie = av_strtok(next, "\n", &next))) { + AVDictionary *cookie_params = NULL; + AVDictionaryEntry *cookie_entry, *e; + + // store the cookie in a dict in case it is updated in the response + if (parse_cookie(s, cookie, &s->cookie_dict)) + av_log(s, AV_LOG_WARNING, "Unable to parse '%s'\n", cookie); + + // continue on to the next cookie if this one cannot be parsed + if (parse_set_cookie(cookie, &cookie_params)) + continue; + + // if the cookie has no value, skip it + cookie_entry = av_dict_get(cookie_params, "", NULL, AV_DICT_IGNORE_SUFFIX); + if (!cookie_entry || !cookie_entry->value) { + av_dict_free(&cookie_params); + continue; + } + + // if the cookie has expired, don't add it + if ((e = av_dict_get(cookie_params, "expires", NULL, 0)) && e->value) { + struct tm tm_buf = {0}; + if (!parse_set_cookie_expiry_time(e->value, &tm_buf)) { + if (av_timegm(&tm_buf) < av_gettime() / 1000000) { + av_dict_free(&cookie_params); + continue; + } + } + } + + // if no domain in the cookie assume it appied to this request + if ((e = av_dict_get(cookie_params, "domain", NULL, 0)) && e->value) { + // find the offset comparison is on the min domain (b.com, not a.b.com) + int domain_offset = strlen(domain) - strlen(e->value); + if (domain_offset < 0) { + av_dict_free(&cookie_params); + continue; + } + + // match the cookie domain + if (av_strcasecmp(&domain[domain_offset], e->value)) { + av_dict_free(&cookie_params); + continue; + } + } + + // ensure this cookie matches the path + e = av_dict_get(cookie_params, "path", NULL, 0); + if (!e || av_strncasecmp(path, e->value, strlen(e->value))) { + av_dict_free(&cookie_params); + continue; + } + + // cookie parameters match, so copy the value + if (!*cookies) { + if (!(*cookies = av_asprintf("%s=%s", cookie_entry->key, cookie_entry->value))) { + ret = AVERROR(ENOMEM); + break; + } + } else { + char *tmp = *cookies; + size_t str_size = strlen(cookie_entry->key) + strlen(cookie_entry->value) + strlen(*cookies) + 4; + if (!(*cookies = av_malloc(str_size))) { + ret = AVERROR(ENOMEM); + av_free(tmp); + break; + } + snprintf(*cookies, str_size, "%s; %s=%s", tmp, cookie_entry->key, cookie_entry->value); + av_free(tmp); + } + } + + av_free(set_cookies); + + return ret; +} + static inline int has_header(const char *str, const char *header) { /* header + 2 to skip over CRLF prefix. (make sure you have one!) */ @@ -536,13 +1072,13 @@ static int http_read_header(URLContext *h, int *new_location) char line[MAX_URL_SIZE]; int err = 0; - s->chunksize = -1; + s->chunksize = UINT64_MAX; for (;;) { if ((err = http_get_line(s, line, sizeof(line))) < 0) return err; - av_log(NULL, AV_LOG_TRACE, "header='%s'\n", line); + av_log(h, AV_LOG_TRACE, "header='%s'\n", line); err = process_line(h, line, s->line_count, new_location); if (err < 0) @@ -552,6 +1088,13 @@ static int http_read_header(URLContext *h, int *new_location) s->line_count++; } + if (s->seekable == -1 && s->is_mediagateway && s->filesize == 2000000000) + h->is_streamed = 1; /* we can in fact _not_ seek */ + + // add any new cookies into the existing cookie string + cookie_string(s->cookie_dict, &s->cookies); + av_dict_free(&s->cookie_dict); + return err; } @@ -563,10 +1106,11 @@ static int http_connect(URLContext *h, const char *path, const char *local_path, int post, err; char headers[HTTP_HEADERS_SIZE] = ""; char *authstr = NULL, *proxyauthstr = NULL; - int64_t off = s->off; + uint64_t off = s->off; int len = 0; const char *method; int send_expect_100 = 0; + int ret; /* send http header */ post = h->flags & AVIO_FLAG_WRITE; @@ -599,6 +1143,12 @@ static int http_connect(URLContext *h, const char *path, const char *local_path, send_expect_100 = 1; } +#if FF_API_HTTP_USER_AGENT + if (strcmp(s->user_agent_deprecated, DEFAULT_USER_AGENT)) { + av_log(s, AV_LOG_WARNING, "the user-agent option is deprecated, please use user_agent option\n"); + s->user_agent = av_strdup(s->user_agent_deprecated); + } +#endif /* set default headers if needed */ if (!has_header(s->headers, "\r\nUser-Agent: ")) len += av_strlcatf(headers + len, sizeof(headers) - len, @@ -609,9 +1159,9 @@ static int http_connect(URLContext *h, const char *path, const char *local_path, // Note: we send this on purpose even when s->off is 0 when we're probing, // since it allows us to detect more reliably if a (non-conforming) // server supports seeking by analysing the reply headers. - if (!has_header(s->headers, "\r\nRange: ") && !post) { + if (!has_header(s->headers, "\r\nRange: ") && !post && (s->off > 0 || s->end_off || s->seekable == -1)) { len += av_strlcatf(headers + len, sizeof(headers) - len, - "Range: bytes=%"PRId64"-", s->off); + "Range: bytes=%"PRIu64"-", s->off); if (s->end_off) len += av_strlcatf(headers + len, sizeof(headers) - len, "%"PRId64, s->end_off - 1); @@ -641,6 +1191,14 @@ static int http_connect(URLContext *h, const char *path, const char *local_path, if (!has_header(s->headers, "\r\nContent-Type: ") && s->content_type) len += av_strlcatf(headers + len, sizeof(headers) - len, "Content-Type: %s\r\n", s->content_type); + if (!has_header(s->headers, "\r\nCookie: ") && s->cookies) { + char *cookies = NULL; + if (!get_cookies(s, &cookies, path, hoststr) && cookies) { + len += av_strlcatf(headers + len, sizeof(headers) - len, + "Cookie: %s\r\n", cookies); + av_free(cookies); + } + } if (!has_header(s->headers, "\r\nIcy-MetaData: ") && s->icy) len += av_strlcatf(headers + len, sizeof(headers) - len, "Icy-MetaData: %d\r\n", 1); @@ -649,7 +1207,7 @@ static int http_connect(URLContext *h, const char *path, const char *local_path, if (s->headers) av_strlcpy(headers + len, s->headers, sizeof(headers) - len); - snprintf(s->buffer, sizeof(s->buffer), + ret = snprintf(s->buffer, sizeof(s->buffer), "%s %s HTTP/1.1\r\n" "%s" "%s" @@ -663,14 +1221,22 @@ static int http_connect(URLContext *h, const char *path, const char *local_path, authstr ? authstr : "", proxyauthstr ? "Proxy-" : "", proxyauthstr ? proxyauthstr : ""); - av_freep(&authstr); - av_freep(&proxyauthstr); + av_log(h, AV_LOG_DEBUG, "request: %s\n", s->buffer); + + if (strlen(headers) + 1 == sizeof(headers) || + ret >= sizeof(s->buffer)) { + av_log(h, AV_LOG_ERROR, "overlong headers\n"); + err = AVERROR(EINVAL); + goto done; + } + + if ((err = ffurl_write(s->hd, s->buffer, strlen(s->buffer))) < 0) - return err; + goto done; if (s->post_data) if ((err = ffurl_write(s->hd, s->post_data, s->post_datalen)) < 0) - return err; + goto done; /* init input buffer */ s->buf_ptr = s->buffer; @@ -678,7 +1244,7 @@ static int http_connect(URLContext *h, const char *path, const char *local_path, s->line_count = 0; s->off = 0; s->icy_data_read = 0; - s->filesize = -1; + s->filesize = UINT64_MAX; s->willclose = 0; s->end_chunked_post = 0; s->end_header = 0; @@ -687,21 +1253,57 @@ static int http_connect(URLContext *h, const char *path, const char *local_path, * we've still to send the POST data, but the code calling this * function will check http_code after we return. */ s->http_code = 200; - return 0; + err = 0; + goto done; } /* wait for header */ err = http_read_header(h, new_location); if (err < 0) - return err; + goto done; + + if (*new_location) + s->off = off; - return (off == s->off) ? 0 : -1; + err = (off == s->off) ? 0 : -1; +done: + av_freep(&authstr); + av_freep(&proxyauthstr); + return err; } static int http_buf_read(URLContext *h, uint8_t *buf, int size) { HTTPContext *s = h->priv_data; int len; + + if (s->chunksize != UINT64_MAX) { + if (!s->chunksize) { + char line[32]; + int err; + + do { + if ((err = http_get_line(s, line, sizeof(line))) < 0) + return err; + } while (!*line); /* skip CR LF from last chunk */ + + s->chunksize = strtoull(line, NULL, 16); + + av_log(h, AV_LOG_TRACE, + "Chunked encoding data size: %"PRIu64"'\n", + s->chunksize); + + if (!s->chunksize) + return 0; + else if (s->chunksize == UINT64_MAX) { + av_log(h, AV_LOG_ERROR, "Invalid chunk size %"PRIu64"\n", + s->chunksize); + return AVERROR(EINVAL); + } + } + size = FFMIN(size, s->chunksize); + } + /* read bytes from input buffer first */ len = s->buf_end - s->buf_ptr; if (len > 0) { @@ -710,15 +1312,24 @@ static int http_buf_read(URLContext *h, uint8_t *buf, int size) memcpy(buf, s->buf_ptr, len); s->buf_ptr += len; } else { - if ((!s->willclose || s->chunksize < 0) && - s->filesize >= 0 && s->off >= s->filesize) + uint64_t target_end = s->end_off ? s->end_off : s->filesize; + if ((!s->willclose || s->chunksize == UINT64_MAX) && s->off >= target_end) return AVERROR_EOF; len = ffurl_read(s->hd, buf, size); + if (!len && (!s->willclose || s->chunksize == UINT64_MAX) && s->off < target_end) { + av_log(h, AV_LOG_ERROR, + "Stream ends prematurely at %"PRIu64", should be %"PRIu64"\n", + s->off, target_end + ); + return AVERROR(EIO); + } } if (len > 0) { s->off += len; - if (s->chunksize > 0) + if (s->chunksize > 0) { + av_assert0(s->chunksize >= len); s->chunksize -= len; + } } return len; } @@ -756,10 +1367,13 @@ static int http_buf_read_compressed(URLContext *h, uint8_t *buf, int size) } #endif /* CONFIG_ZLIB */ +static int64_t http_seek_internal(URLContext *h, int64_t off, int whence, int force_reconnect); + static int http_read_stream(URLContext *h, uint8_t *buf, int size) { HTTPContext *s = h->priv_data; - int err, new_location; + int err, new_location, read_ret; + int64_t seek_ret; if (!s->hd) return AVERROR_EOF; @@ -770,35 +1384,36 @@ static int http_read_stream(URLContext *h, uint8_t *buf, int size) return err; } - if (s->chunksize >= 0) { - if (!s->chunksize) { - char line[32]; - - for (;;) { - do { - if ((err = http_get_line(s, line, sizeof(line))) < 0) - return err; - } while (!*line); /* skip CR LF from last chunk */ - - s->chunksize = strtoll(line, NULL, 16); - - av_log(NULL, AV_LOG_TRACE, "Chunked encoding data size: %"PRId64"'\n", - s->chunksize); - - if (!s->chunksize) - return 0; - break; - } - } - size = FFMIN(size, s->chunksize); - } #if CONFIG_ZLIB if (s->compressed) return http_buf_read_compressed(h, buf, size); #endif /* CONFIG_ZLIB */ - return http_buf_read(h, buf, size); + read_ret = http_buf_read(h, buf, size); + if ( (read_ret < 0 && s->reconnect && (!h->is_streamed || s->reconnect_streamed) && s->filesize > 0 && s->off < s->filesize) + || (read_ret == 0 && s->reconnect_at_eof && (!h->is_streamed || s->reconnect_streamed))) { + uint64_t target = h->is_streamed ? 0 : s->off; + + if (s->reconnect_delay > s->reconnect_delay_max) + return AVERROR(EIO); + + av_log(h, AV_LOG_INFO, "Will reconnect at %"PRIu64" error=%s.\n", s->off, av_err2str(read_ret)); + av_usleep(1000U*1000*s->reconnect_delay); + s->reconnect_delay = 1 + 2*s->reconnect_delay; + seek_ret = http_seek_internal(h, target, SEEK_SET, 1); + if (seek_ret != target) { + av_log(h, AV_LOG_ERROR, "Failed to reconnect at %"PRIu64".\n", target); + return read_ret; + } + + read_ret = http_buf_read(h, buf, size); + } else + s->reconnect_delay = 0; + + return read_ret; } +// Like http_read_stream(), but no short reads. +// Assumes partial reads are an error. static int http_read_stream_all(URLContext *h, uint8_t *buf, int size) { int pos = 0; @@ -841,10 +1456,11 @@ static int store_icy(URLContext *h, int size) { HTTPContext *s = h->priv_data; /* until next metadata packet */ - int remaining = s->icy_metaint - s->icy_data_read; + uint64_t remaining; - if (remaining < 0) + if (s->icy_metaint < s->icy_data_read) return AVERROR_INVALIDDATA; + remaining = s->icy_metaint - s->icy_data_read; if (!remaining) { /* The metadata packet is variable sized. It has a 1 byte header @@ -924,7 +1540,8 @@ static int http_shutdown(URLContext *h, int flags) HTTPContext *s = h->priv_data; /* signal end of chunked encoding if used */ - if ((flags & AVIO_FLAG_WRITE) && s->chunked_post) { + if (((flags & AVIO_FLAG_WRITE) && s->chunked_post) || + ((flags & AVIO_FLAG_READ) && s->chunked_post && s->listen)) { ret = ffurl_write(s->hd, footer, sizeof(footer) - 1); ret = ret > 0 ? 0 : ret; s->end_chunked_post = 1; @@ -948,40 +1565,48 @@ static int http_close(URLContext *h) ret = http_shutdown(h, h->flags); if (s->hd) - ffurl_close(s->hd); + ffurl_closep(&s->hd); av_dict_free(&s->chained_options); return ret; } -static int64_t http_seek(URLContext *h, int64_t off, int whence) +static int64_t http_seek_internal(URLContext *h, int64_t off, int whence, int force_reconnect) { HTTPContext *s = h->priv_data; URLContext *old_hd = s->hd; - int64_t old_off = s->off; + uint64_t old_off = s->off; uint8_t old_buf[BUFFER_SIZE]; int old_buf_size, ret; AVDictionary *options = NULL; if (whence == AVSEEK_SIZE) return s->filesize; - else if ((whence == SEEK_CUR && off == 0) || - (whence == SEEK_SET && off == s->off)) + else if (!force_reconnect && + ((whence == SEEK_CUR && off == 0) || + (whence == SEEK_SET && off == s->off))) return s->off; - else if ((s->filesize == -1 && whence == SEEK_END) || h->is_streamed) + else if ((s->filesize == UINT64_MAX && whence == SEEK_END)) return AVERROR(ENOSYS); - /* we save the old context in case the seek fails */ - old_buf_size = s->buf_end - s->buf_ptr; - memcpy(old_buf, s->buf_ptr, old_buf_size); - s->hd = NULL; if (whence == SEEK_CUR) off += s->off; else if (whence == SEEK_END) off += s->filesize; + else if (whence != SEEK_SET) + return AVERROR(EINVAL); + if (off < 0) + return AVERROR(EINVAL); s->off = off; + if (s->off && h->is_streamed) + return AVERROR(ENOSYS); + + /* we save the old context in case the seek fails */ + old_buf_size = s->buf_end - s->buf_ptr; + memcpy(old_buf, s->buf_ptr, old_buf_size); + s->hd = NULL; + /* if it fails, continue on old connection */ - av_dict_copy(&options, s->chained_options, 0); if ((ret = http_open_cnx(h, &options)) < 0) { av_dict_free(&options); memcpy(s->buffer, old_buf, old_buf_size); @@ -996,12 +1621,23 @@ static int64_t http_seek(URLContext *h, int64_t off, int whence) return off; } +static int64_t http_seek(URLContext *h, int64_t off, int whence) +{ + return http_seek_internal(h, off, whence, 0); +} + static int http_get_file_handle(URLContext *h) { HTTPContext *s = h->priv_data; return ffurl_get_file_handle(s->hd); } +static int http_get_short_seek(URLContext *h) +{ + HTTPContext *s = h->priv_data; + return ffurl_get_short_seek(s->hd); +} + #define HTTP_CLASS(flavor) \ static const AVClass flavor ## _context_class = { \ .class_name = # flavor, \ @@ -1016,15 +1652,19 @@ HTTP_CLASS(http); const URLProtocol ff_http_protocol = { .name = "http", .url_open2 = http_open, + .url_accept = http_accept, + .url_handshake = http_handshake, .url_read = http_read, .url_write = http_write, .url_seek = http_seek, .url_close = http_close, .url_get_file_handle = http_get_file_handle, + .url_get_short_seek = http_get_short_seek, .url_shutdown = http_shutdown, .priv_data_size = sizeof(HTTPContext), .priv_data_class = &http_context_class, .flags = URL_PROTOCOL_FLAG_NETWORK, + .default_whitelist = "http,https,tls,rtp,tcp,udp,crypto,httpproxy" }; #endif /* CONFIG_HTTP_PROTOCOL */ @@ -1039,10 +1679,12 @@ const URLProtocol ff_https_protocol = { .url_seek = http_seek, .url_close = http_close, .url_get_file_handle = http_get_file_handle, + .url_get_short_seek = http_get_short_seek, .url_shutdown = http_shutdown, .priv_data_size = sizeof(HTTPContext), .priv_data_class = &https_context_class, .flags = URL_PROTOCOL_FLAG_NETWORK, + .default_whitelist = "http,https,tls,rtp,tcp,udp,crypto,httpproxy" }; #endif /* CONFIG_HTTPS_PROTOCOL */ @@ -1051,7 +1693,7 @@ static int http_proxy_close(URLContext *h) { HTTPContext *s = h->priv_data; if (s->hd) - ffurl_close(s->hd); + ffurl_closep(&s->hd); return 0; } @@ -1066,7 +1708,10 @@ static int http_proxy_open(URLContext *h, const char *uri, int flags) char *authstr; int new_loc; - h->is_streamed = 1; + if( s->seekable == 1 ) + h->is_streamed = 0; + else + h->is_streamed = 1; av_url_split(NULL, 0, auth, sizeof(auth), hostname, sizeof(hostname), &port, pathbuf, sizeof(pathbuf), uri); @@ -1078,8 +1723,9 @@ static int http_proxy_open(URLContext *h, const char *uri, int flags) ff_url_join(lower_url, sizeof(lower_url), "tcp", NULL, hostname, port, NULL); redo: - ret = ffurl_open(&s->hd, lower_url, AVIO_FLAG_READ_WRITE, - &h->interrupt_callback, NULL, h->protocols, h); + ret = ffurl_open_whitelist(&s->hd, lower_url, AVIO_FLAG_READ_WRITE, + &h->interrupt_callback, NULL, + h->protocol_whitelist, h->protocol_blacklist, h); if (ret < 0) return ret; @@ -1102,7 +1748,7 @@ redo: s->buf_ptr = s->buffer; s->buf_end = s->buffer; s->line_count = 0; - s->filesize = -1; + s->filesize = UINT64_MAX; cur_auth_type = s->proxy_auth_state.auth_type; /* Note: This uses buffering, potentially reading more than the @@ -1122,14 +1768,13 @@ redo: if (s->http_code == 407 && (cur_auth_type == HTTP_AUTH_NONE || s->proxy_auth_state.stale) && s->proxy_auth_state.auth_type != HTTP_AUTH_NONE && attempts < 2) { - ffurl_close(s->hd); - s->hd = NULL; + ffurl_closep(&s->hd); goto redo; } if (s->http_code < 400) return 0; - ret = AVERROR(EIO); + ret = ff_http_averror(s->http_code, AVERROR(EIO)); fail: http_proxy_close(h); |