From 3ab576944348e0cece51706806a603efe9a23554 Mon Sep 17 00:00:00 2001 From: Daniel Stenberg Date: Fri, 14 Sep 2018 11:48:53 +0200 Subject: http: made Curl_add_buffer functions take a pointer-pointer ... so that they can clear the original pointer on failure, which makes the error-paths and their cleanups easier. --- lib/http.c | 110 +++++++++++++++++++++++++++++-------------------------- lib/http.h | 10 +++-- lib/http2.c | 75 ++++++++++++++++++++++++------------- lib/http_proxy.c | 14 +++---- lib/rtsp.c | 27 +++++++------- 5 files changed, 135 insertions(+), 101 deletions(-) diff --git a/lib/http.c b/lib/http.c index e727ed823..976dd508d 100644 --- a/lib/http.c +++ b/lib/http.c @@ -1094,11 +1094,13 @@ Curl_send_buffer *Curl_add_buffer_init(void) /* * Curl_add_buffer_free() frees all associated resources. */ -void Curl_add_buffer_free(Curl_send_buffer *buff) +void Curl_add_buffer_free(Curl_send_buffer **inp) { - if(buff) /* deal with NULL input */ - free(buff->buffer); - free(buff); + Curl_send_buffer *in = *inp; + if(in) /* deal with NULL input */ + free(in->buffer); + free(in); + *inp = NULL; } /* @@ -1107,7 +1109,7 @@ void Curl_add_buffer_free(Curl_send_buffer *buff) * * Returns CURLcode */ -CURLcode Curl_add_buffer_send(Curl_send_buffer *in, +CURLcode Curl_add_buffer_send(Curl_send_buffer **inp, struct connectdata *conn, /* add the number of sent bytes to this @@ -1128,6 +1130,7 @@ CURLcode Curl_add_buffer_send(Curl_send_buffer *in, size_t sendsize; curl_socket_t sockfd; size_t headersize; + Curl_send_buffer *in = *inp; DEBUGASSERT(socketindex <= SECONDARYSOCKET); @@ -1148,7 +1151,7 @@ CURLcode Curl_add_buffer_send(Curl_send_buffer *in, /* Curl_convert_to_network calls failf if unsuccessful */ if(result) { /* conversion failed, free memory and return to the caller */ - Curl_add_buffer_free(in); + Curl_add_buffer_free(inp); return result; } @@ -1172,7 +1175,7 @@ CURLcode Curl_add_buffer_send(Curl_send_buffer *in, result = Curl_get_upload_buffer(data); if(result) { /* malloc failed, free memory and return to the caller */ - Curl_add_buffer_free(in); + Curl_add_buffer_free(&in); return result; } memcpy(data->state.ulbuf, ptr, sendsize); @@ -1256,7 +1259,7 @@ CURLcode Curl_add_buffer_send(Curl_send_buffer *in, Curl_pipeline_leave_write(conn); } } - Curl_add_buffer_free(in); + Curl_add_buffer_free(&in); return result; } @@ -1265,31 +1268,35 @@ CURLcode Curl_add_buffer_send(Curl_send_buffer *in, /* * add_bufferf() add the formatted input to the buffer. */ -CURLcode Curl_add_bufferf(Curl_send_buffer *in, const char *fmt, ...) +CURLcode Curl_add_bufferf(Curl_send_buffer **inp, const char *fmt, ...) { char *s; va_list ap; + Curl_send_buffer *in = *inp; va_start(ap, fmt); s = vaprintf(fmt, ap); /* this allocs a new string to append */ va_end(ap); if(s) { - CURLcode result = Curl_add_buffer(in, s, strlen(s)); + CURLcode result = Curl_add_buffer(inp, s, strlen(s)); free(s); return result; } /* If we failed, we cleanup the whole buffer and return error */ free(in->buffer); free(in); + *inp = NULL; return CURLE_OUT_OF_MEMORY; } /* - * add_buffer() appends a memory chunk to the existing buffer + * Curl_add_buffer() appends a memory chunk to the existing buffer */ -CURLcode Curl_add_buffer(Curl_send_buffer *in, const void *inptr, size_t size) +CURLcode Curl_add_buffer(Curl_send_buffer **inp, const void *inptr, + size_t size) { char *new_rb; + Curl_send_buffer *in = *inp; if(~size < in->size_used) { /* If resulting used size of send buffer would wrap size_t, cleanup @@ -1297,6 +1304,7 @@ CURLcode Curl_add_buffer(Curl_send_buffer *in, const void *inptr, size_t size) size will fit into a single allocatable memory chunk */ Curl_safefree(in->buffer); free(in); + *inp = NULL; return CURLE_OUT_OF_MEMORY; } @@ -1323,6 +1331,7 @@ CURLcode Curl_add_buffer(Curl_send_buffer *in, const void *inptr, size_t size) if(!new_rb) { /* If we failed, we cleanup the whole buffer and return error */ free(in); + *inp = NULL; return CURLE_OUT_OF_MEMORY; } @@ -1484,11 +1493,11 @@ static CURLcode add_haproxy_protocol_header(struct connectdata *conn) if(!req_buffer) return CURLE_OUT_OF_MEMORY; - result = Curl_add_bufferf(req_buffer, proxy_header); + result = Curl_add_bufferf(&req_buffer, proxy_header); if(result) return result; - result = Curl_add_buffer_send(req_buffer, + result = Curl_add_buffer_send(&req_buffer, conn, &conn->data->info.request_size, 0, @@ -1562,7 +1571,6 @@ CURLcode Curl_http_done(struct connectdata *conn, if(http->send_buffer) { Curl_add_buffer_free(http->send_buffer); - http->send_buffer = NULL; /* clear the pointer */ } Curl_http2_done(conn, premature); @@ -1653,8 +1661,8 @@ static CURLcode expect100(struct Curl_easy *data, Curl_compareheader(ptr, "Expect:", "100-continue"); } else { - result = Curl_add_bufferf(req_buffer, - "Expect: 100-continue\r\n"); + result = Curl_add_bufferf(&req_buffer, + "Expect: 100-continue\r\n"); if(!result) data->state.expect100header = TRUE; } @@ -1785,7 +1793,7 @@ CURLcode Curl_add_custom_headers(struct connectdata *conn, !strcasecompare(data->state.first_host, conn->host.name))) ; else { - result = Curl_add_bufferf(req_buffer, "%s\r\n", headers->data); + result = Curl_add_bufferf(&req_buffer, "%s\r\n", headers->data); } if(semicolonp) *semicolonp = ';'; /* put back the semicolon */ @@ -1854,7 +1862,7 @@ CURLcode Curl_add_timecondition(struct Curl_easy *data, tm->tm_min, tm->tm_sec); - result = Curl_add_buffer(req_buffer, datestr, strlen(datestr)); + result = Curl_add_buffer(&req_buffer, datestr, strlen(datestr)); return result; } @@ -2419,7 +2427,7 @@ CURLcode Curl_http(struct connectdata *conn, bool *done) /* add the main request stuff */ /* GET/HEAD/POST/PUT */ - result = Curl_add_bufferf(req_buffer, "%s ", request); + result = Curl_add_bufferf(&req_buffer, "%s ", request); if(result) return result; @@ -2428,16 +2436,16 @@ CURLcode Curl_http(struct connectdata *conn, bool *done) /* url */ if(paste_ftp_userpwd) - result = Curl_add_bufferf(req_buffer, "ftp://%s:%s@%s", + result = Curl_add_bufferf(&req_buffer, "ftp://%s:%s@%s", conn->user, conn->passwd, ppath + sizeof("ftp://") - 1); else - result = Curl_add_buffer(req_buffer, ppath, strlen(ppath)); + result = Curl_add_buffer(&req_buffer, ppath, strlen(ppath)); if(result) return result; result = - Curl_add_bufferf(req_buffer, + Curl_add_bufferf(&req_buffer, "%s" /* ftp typecode (;type=x) */ " HTTP/%s\r\n" /* HTTP version */ "%s" /* host */ @@ -2518,11 +2526,11 @@ CURLcode Curl_http(struct connectdata *conn, bool *done) while(co) { if(co->value) { if(0 == count) { - result = Curl_add_bufferf(req_buffer, "Cookie: "); + result = Curl_add_bufferf(&req_buffer, "Cookie: "); if(result) break; } - result = Curl_add_bufferf(req_buffer, + result = Curl_add_bufferf(&req_buffer, "%s%s=%s", count?"; ":"", co->name, co->value); if(result) @@ -2535,15 +2543,15 @@ CURLcode Curl_http(struct connectdata *conn, bool *done) } if(addcookies && !result) { if(!count) - result = Curl_add_bufferf(req_buffer, "Cookie: "); + result = Curl_add_bufferf(&req_buffer, "Cookie: "); if(!result) { - result = Curl_add_bufferf(req_buffer, "%s%s", count?"; ":"", + result = Curl_add_bufferf(&req_buffer, "%s%s", count?"; ":"", addcookies); count++; } } if(count && !result) - result = Curl_add_buffer(req_buffer, "\r\n", 2); + result = Curl_add_buffer(&req_buffer, "\r\n", 2); if(result) return result; @@ -2577,7 +2585,7 @@ CURLcode Curl_http(struct connectdata *conn, bool *done) if((postsize != -1) && !data->req.upload_chunky && (conn->bits.authneg || !Curl_checkheaders(conn, "Content-Length"))) { /* only add Content-Length if not uploading chunked */ - result = Curl_add_bufferf(req_buffer, + result = Curl_add_bufferf(&req_buffer, "Content-Length: %" CURL_FORMAT_CURL_OFF_T "\r\n", postsize); if(result) @@ -2590,7 +2598,7 @@ CURLcode Curl_http(struct connectdata *conn, bool *done) return result; } - result = Curl_add_buffer(req_buffer, "\r\n", 2); /* end of headers */ + result = Curl_add_buffer(&req_buffer, "\r\n", 2); /* end of headers */ if(result) return result; @@ -2598,7 +2606,7 @@ CURLcode Curl_http(struct connectdata *conn, bool *done) Curl_pgrsSetUploadSize(data, postsize); /* this sends the buffer and frees all the buffer resources */ - result = Curl_add_buffer_send(req_buffer, conn, + result = Curl_add_buffer_send(&req_buffer, conn, &data->info.request_size, 0, FIRSTSOCKET); if(result) failf(data, "Failed sending PUT request"); @@ -2616,11 +2624,11 @@ CURLcode Curl_http(struct connectdata *conn, bool *done) /* This is form posting using mime data. */ if(conn->bits.authneg) { /* nothing to post! */ - result = Curl_add_bufferf(req_buffer, "Content-Length: 0\r\n\r\n"); + result = Curl_add_bufferf(&req_buffer, "Content-Length: 0\r\n\r\n"); if(result) return result; - result = Curl_add_buffer_send(req_buffer, conn, + result = Curl_add_buffer_send(&req_buffer, conn, &data->info.request_size, 0, FIRSTSOCKET); if(result) failf(data, "Failed sending POST request"); @@ -2640,7 +2648,7 @@ CURLcode Curl_http(struct connectdata *conn, bool *done) (conn->bits.authneg || !Curl_checkheaders(conn, "Content-Length"))) { /* we allow replacing this header if not during auth negotiation, although it isn't very wise to actually set your own */ - result = Curl_add_bufferf(req_buffer, + result = Curl_add_bufferf(&req_buffer, "Content-Length: %" CURL_FORMAT_CURL_OFF_T "\r\n", postsize); if(result) @@ -2652,7 +2660,7 @@ CURLcode Curl_http(struct connectdata *conn, bool *done) struct curl_slist *hdr; for(hdr = http->sendit->curlheaders; hdr; hdr = hdr->next) { - result = Curl_add_bufferf(req_buffer, "%s\r\n", hdr->data); + result = Curl_add_bufferf(&req_buffer, "%s\r\n", hdr->data); if(result) return result; } @@ -2676,7 +2684,7 @@ CURLcode Curl_http(struct connectdata *conn, bool *done) data->state.expect100header = FALSE; /* make the request end in a true CRLF */ - result = Curl_add_buffer(req_buffer, "\r\n", 2); + result = Curl_add_buffer(&req_buffer, "\r\n", 2); if(result) return result; @@ -2689,7 +2697,7 @@ CURLcode Curl_http(struct connectdata *conn, bool *done) http->sending = HTTPSEND_BODY; /* this sends the buffer and frees all the buffer resources */ - result = Curl_add_buffer_send(req_buffer, conn, + result = Curl_add_buffer_send(&req_buffer, conn, &data->info.request_size, 0, FIRSTSOCKET); if(result) failf(data, "Failed sending POST request"); @@ -2719,7 +2727,7 @@ CURLcode Curl_http(struct connectdata *conn, bool *done) (conn->bits.authneg || !Curl_checkheaders(conn, "Content-Length"))) { /* we allow replacing this header if not during auth negotiation, although it isn't very wise to actually set your own */ - result = Curl_add_bufferf(req_buffer, + result = Curl_add_bufferf(&req_buffer, "Content-Length: %" CURL_FORMAT_CURL_OFF_T "\r\n", postsize); if(result) @@ -2727,7 +2735,7 @@ CURLcode Curl_http(struct connectdata *conn, bool *done) } if(!Curl_checkheaders(conn, "Content-Type")) { - result = Curl_add_bufferf(req_buffer, + result = Curl_add_bufferf(&req_buffer, "Content-Type: application/" "x-www-form-urlencoded\r\n"); if(result) @@ -2765,31 +2773,31 @@ CURLcode Curl_http(struct connectdata *conn, bool *done) is no magic limit but only set to prevent really huge POSTs to get the data duplicated with malloc() and family. */ - result = Curl_add_buffer(req_buffer, "\r\n", 2); /* end of headers! */ + result = Curl_add_buffer(&req_buffer, "\r\n", 2); /* end of headers! */ if(result) return result; if(!data->req.upload_chunky) { /* We're not sending it 'chunked', append it to the request already now to reduce the number if send() calls */ - result = Curl_add_buffer(req_buffer, data->set.postfields, + result = Curl_add_buffer(&req_buffer, data->set.postfields, (size_t)postsize); included_body = postsize; } else { if(postsize) { /* Append the POST data chunky-style */ - result = Curl_add_bufferf(req_buffer, "%x\r\n", (int)postsize); + result = Curl_add_bufferf(&req_buffer, "%x\r\n", (int)postsize); if(!result) { - result = Curl_add_buffer(req_buffer, data->set.postfields, + result = Curl_add_buffer(&req_buffer, data->set.postfields, (size_t)postsize); if(!result) - result = Curl_add_buffer(req_buffer, "\r\n", 2); + result = Curl_add_buffer(&req_buffer, "\r\n", 2); included_body = postsize + 2; } } if(!result) - result = Curl_add_buffer(req_buffer, "\x30\x0d\x0a\x0d\x0a", 5); + result = Curl_add_buffer(&req_buffer, "\x30\x0d\x0a\x0d\x0a", 5); /* 0 CR LF CR LF */ included_body += 5; } @@ -2811,20 +2819,20 @@ CURLcode Curl_http(struct connectdata *conn, bool *done) /* set the upload size to the progress meter */ Curl_pgrsSetUploadSize(data, http->postsize); - result = Curl_add_buffer(req_buffer, "\r\n", 2); /* end of headers! */ + result = Curl_add_buffer(&req_buffer, "\r\n", 2); /* end of headers! */ if(result) return result; } } else { - result = Curl_add_buffer(req_buffer, "\r\n", 2); /* end of headers! */ + result = Curl_add_buffer(&req_buffer, "\r\n", 2); /* end of headers! */ if(result) return result; if(data->req.upload_chunky && conn->bits.authneg) { /* Chunky upload is selected and we're negotiating auth still, send end-of-data only */ - result = Curl_add_buffer(req_buffer, + result = Curl_add_buffer(&req_buffer, "\x30\x0d\x0a\x0d\x0a", 5); /* 0 CR LF CR LF */ if(result) @@ -2845,7 +2853,7 @@ CURLcode Curl_http(struct connectdata *conn, bool *done) } } /* issue the request */ - result = Curl_add_buffer_send(req_buffer, conn, &data->info.request_size, + result = Curl_add_buffer_send(&req_buffer, conn, &data->info.request_size, (size_t)included_body, FIRSTSOCKET); if(result) @@ -2857,12 +2865,12 @@ CURLcode Curl_http(struct connectdata *conn, bool *done) break; default: - result = Curl_add_buffer(req_buffer, "\r\n", 2); + result = Curl_add_buffer(&req_buffer, "\r\n", 2); if(result) return result; /* issue the request */ - result = Curl_add_buffer_send(req_buffer, conn, + result = Curl_add_buffer_send(&req_buffer, conn, &data->info.request_size, 0, FIRSTSOCKET); if(result) diff --git a/lib/http.h b/lib/http.h index 1d373e8f4..7a825113f 100644 --- a/lib/http.h +++ b/lib/http.h @@ -58,10 +58,12 @@ struct Curl_send_buffer { typedef struct Curl_send_buffer Curl_send_buffer; Curl_send_buffer *Curl_add_buffer_init(void); -void Curl_add_buffer_free(Curl_send_buffer *buff); -CURLcode Curl_add_bufferf(Curl_send_buffer *in, const char *fmt, ...); -CURLcode Curl_add_buffer(Curl_send_buffer *in, const void *inptr, size_t size); -CURLcode Curl_add_buffer_send(Curl_send_buffer *in, +void Curl_add_buffer_free(Curl_send_buffer **inp); +CURLcode Curl_add_bufferf(Curl_send_buffer **inp, const char *fmt, ...) + WARN_UNUSED_RESULT; +CURLcode Curl_add_buffer(Curl_send_buffer **inp, const void *inptr, + size_t size) WARN_UNUSED_RESULT; +CURLcode Curl_add_buffer_send(Curl_send_buffer **inp, struct connectdata *conn, long *bytes_written, size_t included_body_bytes, diff --git a/lib/http2.c b/lib/http2.c index 7706e9459..b1a8213bd 100644 --- a/lib/http2.c +++ b/lib/http2.c @@ -141,10 +141,8 @@ static int http2_getsock(struct connectdata *conn, static void http2_stream_free(struct HTTP *http) { if(http) { - Curl_add_buffer_free(http->header_recvbuf); - http->header_recvbuf = NULL; /* clear the pointer */ - Curl_add_buffer_free(http->trailer_recvbuf); - http->trailer_recvbuf = NULL; /* clear the pointer */ + Curl_add_buffer_free(&http->header_recvbuf); + Curl_add_buffer_free(&http->trailer_recvbuf); for(; http->push_headers_used > 0; --http->push_headers_used) { free(http->push_headers[http->push_headers_used - 1]); } @@ -630,6 +628,7 @@ static int on_frame_recv(nghttp2_session *session, const nghttp2_frame *frame, int rv; size_t left, ncopy; int32_t stream_id = frame->hd.stream_id; + CURLcode result; if(!stream_id) { /* stream ID zero is for connection-oriented stuff */ @@ -705,7 +704,9 @@ static int on_frame_recv(nghttp2_session *session, const nghttp2_frame *frame, stream->status_code = -1; } - Curl_add_buffer(stream->header_recvbuf, "\r\n", 2); + result = Curl_add_buffer(&stream->header_recvbuf, "\r\n", 2); + if(result) + return NGHTTP2_ERR_CALLBACK_FAILURE; left = stream->header_recvbuf->size_used - stream->nread_header_recvbuf; ncopy = CURLMIN(stream->len, left); @@ -929,6 +930,7 @@ static int on_header(nghttp2_session *session, const nghttp2_frame *frame, struct Curl_easy *data_s; int32_t stream_id = frame->hd.stream_id; struct connectdata *conn = (struct connectdata *)userp; + CURLcode result; (void)flags; DEBUGASSERT(stream_id); /* should never be a zero stream ID here */ @@ -983,11 +985,21 @@ static int on_header(nghttp2_session *session, const nghttp2_frame *frame, H2BUGF(infof(data_s, "h2 trailer: %.*s: %.*s\n", namelen, name, valuelen, value)); - Curl_add_buffer(stream->trailer_recvbuf, &n, sizeof(n)); - Curl_add_buffer(stream->trailer_recvbuf, name, namelen); - Curl_add_buffer(stream->trailer_recvbuf, ": ", 2); - Curl_add_buffer(stream->trailer_recvbuf, value, valuelen); - Curl_add_buffer(stream->trailer_recvbuf, "\r\n\0", 3); + result = Curl_add_buffer(&stream->trailer_recvbuf, &n, sizeof(n)); + if(result) + return NGHTTP2_ERR_CALLBACK_FAILURE; + result = Curl_add_buffer(&stream->trailer_recvbuf, name, namelen); + if(result) + return NGHTTP2_ERR_CALLBACK_FAILURE; + result = Curl_add_buffer(&stream->trailer_recvbuf, ": ", 2); + if(result) + return NGHTTP2_ERR_CALLBACK_FAILURE; + result = Curl_add_buffer(&stream->trailer_recvbuf, value, valuelen); + if(result) + return NGHTTP2_ERR_CALLBACK_FAILURE; + result = Curl_add_buffer(&stream->trailer_recvbuf, "\r\n\0", 3); + if(result) + return NGHTTP2_ERR_CALLBACK_FAILURE; return 0; } @@ -1000,10 +1012,16 @@ static int on_header(nghttp2_session *session, const nghttp2_frame *frame, stream->status_code = decode_status_code(value, valuelen); DEBUGASSERT(stream->status_code != -1); - Curl_add_buffer(stream->header_recvbuf, "HTTP/2 ", 7); - Curl_add_buffer(stream->header_recvbuf, value, valuelen); + result = Curl_add_buffer(&stream->header_recvbuf, "HTTP/2 ", 7); + if(result) + return NGHTTP2_ERR_CALLBACK_FAILURE; + result = Curl_add_buffer(&stream->header_recvbuf, value, valuelen); + if(result) + return NGHTTP2_ERR_CALLBACK_FAILURE; /* the space character after the status code is mandatory */ - Curl_add_buffer(stream->header_recvbuf, " \r\n", 3); + result = Curl_add_buffer(&stream->header_recvbuf, " \r\n", 3); + if(result) + return NGHTTP2_ERR_CALLBACK_FAILURE; /* if we receive data for another handle, wake that up */ if(conn->data != data_s) Curl_expire(data_s, 0, EXPIRE_RUN_NOW); @@ -1016,10 +1034,18 @@ static int on_header(nghttp2_session *session, const nghttp2_frame *frame, /* nghttp2 guarantees that namelen > 0, and :status was already received, and this is not pseudo-header field . */ /* convert to a HTTP1-style header */ - Curl_add_buffer(stream->header_recvbuf, name, namelen); - Curl_add_buffer(stream->header_recvbuf, ": ", 2); - Curl_add_buffer(stream->header_recvbuf, value, valuelen); - Curl_add_buffer(stream->header_recvbuf, "\r\n", 2); + result = Curl_add_buffer(&stream->header_recvbuf, name, namelen); + if(result) + return NGHTTP2_ERR_CALLBACK_FAILURE; + result = Curl_add_buffer(&stream->header_recvbuf, ": ", 2); + if(result) + return NGHTTP2_ERR_CALLBACK_FAILURE; + result = Curl_add_buffer(&stream->header_recvbuf, value, valuelen); + if(result) + return NGHTTP2_ERR_CALLBACK_FAILURE; + result = Curl_add_buffer(&stream->header_recvbuf, "\r\n", 2); + if(result) + return NGHTTP2_ERR_CALLBACK_FAILURE; /* if we receive data for another handle, wake that up */ if(conn->data != data_s) Curl_expire(data_s, 0, EXPIRE_RUN_NOW); @@ -1123,10 +1149,8 @@ void Curl_http2_done(struct connectdata *conn, bool premature) drained_transfer(data, httpc); if(http->header_recvbuf) { - Curl_add_buffer_free(http->header_recvbuf); - http->header_recvbuf = NULL; /* clear the pointer */ - Curl_add_buffer_free(http->trailer_recvbuf); - http->trailer_recvbuf = NULL; /* clear the pointer */ + Curl_add_buffer_free(&http->header_recvbuf); + Curl_add_buffer_free(&http->trailer_recvbuf); if(http->push_headers) { /* if they weren't used and then freed before */ for(; http->push_headers_used > 0; --http->push_headers_used) { @@ -1235,7 +1259,7 @@ CURLcode Curl_http2_request_upgrade(Curl_send_buffer *req, httpc->local_settings_num); if(!binlen) { failf(conn->data, "nghttp2 unexpectedly failed on pack_settings_payload"); - Curl_add_buffer_free(req); + Curl_add_buffer_free(&req); return CURLE_FAILED_INIT; } conn->proto.httpc.binlen = binlen; @@ -1243,11 +1267,11 @@ CURLcode Curl_http2_request_upgrade(Curl_send_buffer *req, result = Curl_base64url_encode(conn->data, (const char *)binsettings, binlen, &base64, &blen); if(result) { - Curl_add_buffer_free(req); + Curl_add_buffer_free(&req); return result; } - result = Curl_add_bufferf(req, + result = Curl_add_bufferf(&req, "Connection: Upgrade, HTTP2-Settings\r\n" "Upgrade: %s\r\n" "HTTP2-Settings: %s\r\n", @@ -2108,8 +2132,7 @@ CURLcode Curl_http2_setup(struct connectdata *conn) result = Curl_http2_init(conn); if(result) { - Curl_add_buffer_free(stream->header_recvbuf); - stream->header_recvbuf = NULL; + Curl_add_buffer_free(&stream->header_recvbuf); return result; } diff --git a/lib/http_proxy.c b/lib/http_proxy.c index c8c445b82..2e0d92edd 100644 --- a/lib/http_proxy.c +++ b/lib/http_proxy.c @@ -222,7 +222,7 @@ static CURLcode CONNECT(struct connectdata *conn, host_port = aprintf("%s:%d", hostname, remote_port); if(!host_port) { - Curl_add_buffer_free(req_buffer); + Curl_add_buffer_free(&req_buffer); return CURLE_OUT_OF_MEMORY; } @@ -247,7 +247,7 @@ static CURLcode CONNECT(struct connectdata *conn, aprintf("%s%s%s:%d", ipv6_ip?"[":"", hostname, ipv6_ip?"]":"", remote_port); if(!hostheader) { - Curl_add_buffer_free(req_buffer); + Curl_add_buffer_free(&req_buffer); return CURLE_OUT_OF_MEMORY; } @@ -255,7 +255,7 @@ static CURLcode CONNECT(struct connectdata *conn, host = aprintf("Host: %s\r\n", hostheader); if(!host) { free(hostheader); - Curl_add_buffer_free(req_buffer); + Curl_add_buffer_free(&req_buffer); return CURLE_OUT_OF_MEMORY; } } @@ -267,7 +267,7 @@ static CURLcode CONNECT(struct connectdata *conn, useragent = conn->allocptr.uagent; result = - Curl_add_bufferf(req_buffer, + Curl_add_bufferf(&req_buffer, "CONNECT %s HTTP/%s\r\n" "%s" /* Host: */ "%s" /* Proxy-Authorization */ @@ -290,13 +290,13 @@ static CURLcode CONNECT(struct connectdata *conn, if(!result) /* CRLF terminate the request */ - result = Curl_add_bufferf(req_buffer, "\r\n"); + result = Curl_add_bufferf(&req_buffer, "\r\n"); if(!result) { /* Send the connect request to the proxy */ /* BLOCKING */ result = - Curl_add_buffer_send(req_buffer, conn, + Curl_add_buffer_send(&req_buffer, conn, &data->info.request_size, 0, sockindex); } req_buffer = NULL; @@ -304,7 +304,7 @@ static CURLcode CONNECT(struct connectdata *conn, failf(data, "Failed sending CONNECT to proxy"); } - Curl_add_buffer_free(req_buffer); + Curl_add_buffer_free(&req_buffer); if(result) return result; diff --git a/lib/rtsp.c b/lib/rtsp.c index 182ee2958..01dfce640 100644 --- a/lib/rtsp.c +++ b/lib/rtsp.c @@ -462,7 +462,7 @@ static CURLcode rtsp_do(struct connectdata *conn, bool *done) return CURLE_OUT_OF_MEMORY; result = - Curl_add_bufferf(req_buffer, + Curl_add_bufferf(&req_buffer, "%s %s RTSP/1.0\r\n" /* Request Stream-URI RTSP/1.0 */ "CSeq: %ld\r\n", /* CSeq */ p_request, p_stream_uri, rtsp->CSeq_sent); @@ -474,7 +474,7 @@ static CURLcode rtsp_do(struct connectdata *conn, bool *done) * to make comparison easier */ if(p_session_id) { - result = Curl_add_bufferf(req_buffer, "Session: %s\r\n", p_session_id); + result = Curl_add_bufferf(&req_buffer, "Session: %s\r\n", p_session_id); if(result) return result; } @@ -482,7 +482,7 @@ static CURLcode rtsp_do(struct connectdata *conn, bool *done) /* * Shared HTTP-like options */ - result = Curl_add_bufferf(req_buffer, + result = Curl_add_bufferf(&req_buffer, "%s" /* transport */ "%s" /* accept */ "%s" /* accept-encoding */ @@ -541,9 +541,10 @@ static CURLcode rtsp_do(struct connectdata *conn, bool *done) /* As stated in the http comments, it is probably not wise to * actually set a custom Content-Length in the headers */ if(!Curl_checkheaders(conn, "Content-Length")) { - result = Curl_add_bufferf(req_buffer, - "Content-Length: %" CURL_FORMAT_CURL_OFF_T"\r\n", - (data->set.upload ? putsize : postsize)); + result = + Curl_add_bufferf(&req_buffer, + "Content-Length: %" CURL_FORMAT_CURL_OFF_T"\r\n", + (data->set.upload ? putsize : postsize)); if(result) return result; } @@ -551,8 +552,8 @@ static CURLcode rtsp_do(struct connectdata *conn, bool *done) if(rtspreq == RTSPREQ_SET_PARAMETER || rtspreq == RTSPREQ_GET_PARAMETER) { if(!Curl_checkheaders(conn, "Content-Type")) { - result = Curl_add_bufferf(req_buffer, - "Content-Type: text/parameters\r\n"); + result = Curl_add_bufferf(&req_buffer, + "Content-Type: text/parameters\r\n"); if(result) return result; } @@ -560,8 +561,8 @@ static CURLcode rtsp_do(struct connectdata *conn, bool *done) if(rtspreq == RTSPREQ_ANNOUNCE) { if(!Curl_checkheaders(conn, "Content-Type")) { - result = Curl_add_bufferf(req_buffer, - "Content-Type: application/sdp\r\n"); + result = Curl_add_bufferf(&req_buffer, + "Content-Type: application/sdp\r\n"); if(result) return result; } @@ -579,19 +580,19 @@ static CURLcode rtsp_do(struct connectdata *conn, bool *done) /* RTSP never allows chunked transfer */ data->req.forbidchunk = TRUE; /* Finish the request buffer */ - result = Curl_add_buffer(req_buffer, "\r\n", 2); + result = Curl_add_buffer(&req_buffer, "\r\n", 2); if(result) return result; if(postsize > 0) { - result = Curl_add_buffer(req_buffer, data->set.postfields, + result = Curl_add_buffer(&req_buffer, data->set.postfields, (size_t)postsize); if(result) return result; } /* issue the request */ - result = Curl_add_buffer_send(req_buffer, conn, + result = Curl_add_buffer_send(&req_buffer, conn, &data->info.request_size, 0, FIRSTSOCKET); if(result) { failf(data, "Failed sending RTSP request"); -- cgit v1.2.1