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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-05 17:47:29 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-05 17:47:29 +0000
commit4f5791ebd03eaec1c7da0865a383175b05102712 (patch)
tree8ce7b00f7a76baa386372422adebbe64510812d4 /libcli/http/http.c
parentInitial commit. (diff)
downloadsamba-upstream.tar.xz
samba-upstream.zip
Adding upstream version 2:4.17.12+dfsg.upstream/2%4.17.12+dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'libcli/http/http.c')
-rw-r--r--libcli/http/http.c882
1 files changed, 882 insertions, 0 deletions
diff --git a/libcli/http/http.c b/libcli/http/http.c
new file mode 100644
index 0000000..d20fc25
--- /dev/null
+++ b/libcli/http/http.c
@@ -0,0 +1,882 @@
+/*
+ Unix SMB/CIFS implementation.
+
+ HTTP library
+
+ Copyright (C) 2013 Samuel Cabrero <samuelcabrero@kernevil.me>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "lib/util/tevent_ntstatus.h"
+#include "http.h"
+#include "http_internal.h"
+#include "util/tevent_werror.h"
+#include "lib/util/dlinklist.h"
+
+#undef strcasecmp
+
+/**
+ * Determines if a response should have a body.
+ * @return 1 if the response MUST have a body; 0 if the response MUST NOT have
+ * a body. Returns -1 on error.
+ */
+static int http_response_needs_body(struct http_request *req)
+{
+ struct http_header *h = NULL;
+
+ if (!req) return -1;
+
+ for (h = req->headers; h != NULL; h = h->next) {
+ int cmp;
+ int n;
+ char c;
+ unsigned long long v;
+
+ cmp = strcasecmp(h->key, "Content-Length");
+ if (cmp != 0) {
+ continue;
+ }
+
+ n = sscanf(h->value, "%llu%c", &v, &c);
+ if (n != 1) {
+ return -1;
+ }
+
+ req->remaining_content_length = v;
+
+ if (v != 0) {
+ return 1;
+ }
+
+ return 0;
+ }
+
+ return 0;
+}
+
+struct http_read_response_state {
+ enum http_parser_state parser_state;
+ size_t max_headers_size;
+ uint64_t max_content_length;
+ DATA_BLOB buffer;
+ struct http_request *response;
+};
+
+/**
+ * Parses the HTTP headers
+ */
+static enum http_read_status http_parse_headers(struct http_read_response_state *state)
+{
+ enum http_read_status status = HTTP_ALL_DATA_READ;
+ char *ptr = NULL;
+ char *line = NULL;
+ char *key = NULL;
+ char *value = NULL;
+ int n = 0;
+ int ret;
+
+ /* Sanity checks */
+ if (!state || !state->response) {
+ DEBUG(0, ("%s: Invalid Parameter\n", __func__));
+ return HTTP_DATA_CORRUPTED;
+ }
+
+ if (state->buffer.length > state->max_headers_size) {
+ DEBUG(0, ("%s: Headers too long: %zi, maximum length is %zi\n", __func__,
+ state->buffer.length, state->max_headers_size));
+ return HTTP_DATA_TOO_LONG;
+ }
+
+ line = talloc_strndup(state, (char *)state->buffer.data, state->buffer.length);
+ if (!line) {
+ DEBUG(0, ("%s: Memory error\n", __func__));
+ return HTTP_DATA_CORRUPTED;
+ }
+
+ ptr = strstr(line, "\r\n");
+ if (ptr == NULL) {
+ TALLOC_FREE(line);
+ return HTTP_MORE_DATA_EXPECTED;
+ }
+
+ state->response->headers_size += state->buffer.length;
+
+ if (strncmp(line, "\r\n", 2) == 0) {
+ DEBUG(11,("%s: All headers read\n", __func__));
+
+ ret = http_response_needs_body(state->response);
+ switch (ret) {
+ case 1:
+ if (state->response->remaining_content_length <= state->max_content_length) {
+ DEBUG(11, ("%s: Start of read body\n", __func__));
+ state->parser_state = HTTP_READING_BODY;
+ break;
+ }
+ FALL_THROUGH;
+ case 0:
+ DEBUG(11, ("%s: Skipping body for code %d\n", __func__,
+ state->response->response_code));
+ state->parser_state = HTTP_READING_DONE;
+ break;
+ case -1:
+ DEBUG(0, ("%s_: Error in http_response_needs_body\n", __func__));
+ TALLOC_FREE(line);
+ return HTTP_DATA_CORRUPTED;
+ break;
+ }
+
+ TALLOC_FREE(line);
+ return HTTP_ALL_DATA_READ;
+ }
+
+ n = sscanf(line, "%m[^:]: %m[^\r\n]\r\n", &key, &value);
+ if (n != 2) {
+ DEBUG(0, ("%s: Error parsing header '%s'\n", __func__, line));
+ status = HTTP_DATA_CORRUPTED;
+ goto error;
+ }
+
+ if (http_add_header(state->response, &state->response->headers, key, value) == -1) {
+ DEBUG(0, ("%s: Error adding header\n", __func__));
+ status = HTTP_DATA_CORRUPTED;
+ goto error;
+ }
+
+error:
+ free(key);
+ free(value);
+ TALLOC_FREE(line);
+ return status;
+}
+
+/**
+ * Parses the first line of a HTTP response
+ */
+static bool http_parse_response_line(struct http_read_response_state *state)
+{
+ bool status = true;
+ char *protocol;
+ char *msg = NULL;
+ char major;
+ char minor;
+ int code;
+ char *line = NULL;
+ int n;
+
+ /* Sanity checks */
+ if (!state) {
+ DEBUG(0, ("%s: Input parameter is NULL\n", __func__));
+ return false;
+ }
+
+ line = talloc_strndup(state, (char*)state->buffer.data, state->buffer.length);
+ if (!line) {
+ DEBUG(0, ("%s: Memory error\n", __func__));
+ return false;
+ }
+
+ n = sscanf(line, "%m[^/]/%c.%c %d %m[^\r\n]\r\n",
+ &protocol, &major, &minor, &code, &msg);
+
+ DEBUG(11, ("%s: Header parsed(%i): protocol->%s, major->%c, minor->%c, "
+ "code->%d, message->%s\n", __func__, n, protocol, major, minor,
+ code, msg));
+
+ if (n != 5) {
+ DEBUG(0, ("%s: Error parsing header\n", __func__));
+ status = false;
+ goto error;
+ }
+
+ if (major != '1') {
+ DEBUG(0, ("%s: Bad HTTP major number '%c'\n", __func__, major));
+ status = false;
+ goto error;
+ }
+
+ if (code == 0) {
+ DEBUG(0, ("%s: Bad response code '%d'", __func__, code));
+ status = false;
+ goto error;
+ }
+
+ if (msg == NULL) {
+ DEBUG(0, ("%s: Error parsing HTTP data\n", __func__));
+ status = false;
+ goto error;
+ }
+
+ state->response->major = major;
+ state->response->minor = minor;
+ state->response->response_code = code;
+ state->response->response_code_line = talloc_strndup(state->response,
+ msg, strlen(msg));
+
+error:
+ free(protocol);
+ free(msg);
+ TALLOC_FREE(line);
+ return status;
+}
+
+/*
+ * Parses header lines from a request or a response into the specified
+ * request object given a buffer.
+ *
+ * Returns
+ * HTTP_DATA_CORRUPTED on error
+ * HTTP_MORE_DATA_EXPECTED when we need to read more headers
+ * HTTP_DATA_TOO_LONG on error
+ * HTTP_ALL_DATA_READ when all headers have been read
+ */
+static enum http_read_status http_parse_firstline(struct http_read_response_state *state)
+{
+ enum http_read_status status = HTTP_ALL_DATA_READ;
+ char *ptr = NULL;
+ char *line;
+
+ /* Sanity checks */
+ if (!state) {
+ DEBUG(0, ("%s: Invalid Parameter\n", __func__));
+ return HTTP_DATA_CORRUPTED;
+ }
+
+ if (state->buffer.length > state->max_headers_size) {
+ DEBUG(0, ("%s: Headers too long: %zi, maximum length is %zi\n", __func__,
+ state->buffer.length, state->max_headers_size));
+ return HTTP_DATA_TOO_LONG;
+ }
+
+ line = talloc_strndup(state, (char *)state->buffer.data, state->buffer.length);
+ if (!line) {
+ DEBUG(0, ("%s: Not enough memory\n", __func__));
+ return HTTP_DATA_CORRUPTED;
+ }
+
+ ptr = strstr(line, "\r\n");
+ if (ptr == NULL) {
+ TALLOC_FREE(line);
+ return HTTP_MORE_DATA_EXPECTED;
+ }
+
+ state->response->headers_size = state->buffer.length;
+ if (!http_parse_response_line(state)) {
+ status = HTTP_DATA_CORRUPTED;
+ }
+
+ /* Next state, read HTTP headers */
+ state->parser_state = HTTP_READING_HEADERS;
+
+ TALLOC_FREE(line);
+ return status;
+}
+
+static enum http_read_status http_read_body(struct http_read_response_state *state)
+{
+ struct http_request *resp = state->response;
+
+ if (state->buffer.length < resp->remaining_content_length) {
+ return HTTP_MORE_DATA_EXPECTED;
+ }
+
+ resp->body = state->buffer;
+ state->buffer = data_blob_null;
+ talloc_steal(resp, resp->body.data);
+ resp->remaining_content_length = 0;
+
+ state->parser_state = HTTP_READING_DONE;
+ return HTTP_ALL_DATA_READ;
+}
+
+static enum http_read_status http_read_trailer(struct http_read_response_state *state)
+{
+ enum http_read_status status = HTTP_DATA_CORRUPTED;
+ /* TODO */
+ return status;
+}
+
+static enum http_read_status http_parse_buffer(struct http_read_response_state *state)
+{
+ if (!state) {
+ DEBUG(0, ("%s: Invalid parameter\n", __func__));
+ return HTTP_DATA_CORRUPTED;
+ }
+
+ switch (state->parser_state) {
+ case HTTP_READING_FIRSTLINE:
+ return http_parse_firstline(state);
+ case HTTP_READING_HEADERS:
+ return http_parse_headers(state);
+ case HTTP_READING_BODY:
+ return http_read_body(state);
+ break;
+ case HTTP_READING_TRAILER:
+ return http_read_trailer(state);
+ break;
+ case HTTP_READING_DONE:
+ /* All read */
+ return HTTP_ALL_DATA_READ;
+ default:
+ DEBUG(0, ("%s: Illegal parser state %d", __func__,
+ state->parser_state));
+ break;
+ }
+ return HTTP_DATA_CORRUPTED;
+}
+
+static int http_header_is_valid_value(const char *value)
+{
+ const char *p = NULL;
+
+ /* Sanity checks */
+ if (!value) {
+ DEBUG(0, ("%s: Invalid parameter\n", __func__));
+ return -1;
+ }
+ p = value;
+
+ while ((p = strpbrk(p, "\r\n")) != NULL) {
+ /* Expect only one new line */
+ p += strspn(p, "\r\n");
+ /* Expect a space or tab for continuation */
+ if (*p != ' ' && *p != '\t')
+ return (0);
+ }
+ return 1;
+}
+
+static int http_add_header_internal(TALLOC_CTX *mem_ctx,
+ struct http_header **headers,
+ const char *key, const char *value,
+ bool replace)
+{
+ struct http_header *tail = NULL;
+ struct http_header *h = NULL;
+
+ /* Sanity checks */
+ if (!headers || !key || !value) {
+ DEBUG(0, ("Invalid parameter\n"));
+ return -1;
+ }
+
+
+
+ if (replace) {
+ for (h = *headers; h != NULL; h = h->next) {
+ if (strcasecmp(key, h->key) == 0) {
+ break;
+ }
+ }
+
+ if (h != NULL) {
+ /* Replace header value */
+ if (h->value) {
+ talloc_free(h->value);
+ }
+ h->value = talloc_strdup(h, value);
+ DEBUG(11, ("%s: Replaced HTTP header: key '%s', value '%s'\n",
+ __func__, h->key, h->value));
+ return 0;
+ }
+ }
+
+ /* Add new header */
+ h = talloc(mem_ctx, struct http_header);
+ h->key = talloc_strdup(h, key);
+ h->value = talloc_strdup(h, value);
+ DLIST_ADD_END(*headers, h);
+ tail = DLIST_TAIL(*headers);
+ if (tail != h) {
+ DEBUG(0, ("%s: Error adding header\n", __func__));
+ return -1;
+ }
+ DEBUG(11, ("%s: Added HTTP header: key '%s', value '%s'\n",
+ __func__, h->key, h->value));
+ return 0;
+}
+
+int http_add_header(TALLOC_CTX *mem_ctx,
+ struct http_header **headers,
+ const char *key, const char *value)
+{
+ if (strchr(key, '\r') != NULL || strchr(key, '\n') != NULL) {
+ DEBUG(0, ("%s: Dropping illegal header key\n", __func__));
+ return -1;
+ }
+
+ if (!http_header_is_valid_value(value)) {
+ DEBUG(0, ("%s: Dropping illegal header value\n", __func__));
+ return -1;
+ }
+
+ return (http_add_header_internal(mem_ctx, headers, key, value, false));
+}
+
+int http_replace_header(TALLOC_CTX *mem_ctx,
+ struct http_header **headers,
+ const char *key, const char *value)
+{
+ if (strchr(key, '\r') != NULL || strchr(key, '\n') != NULL) {
+ DEBUG(0, ("%s: Dropping illegal header key\n", __func__));
+ return -1;
+ }
+
+ if (!http_header_is_valid_value(value)) {
+ DEBUG(0, ("%s: Dropping illegal header value\n", __func__));
+ return -1;
+ }
+
+ return (http_add_header_internal(mem_ctx, headers, key, value, true));
+}
+
+/**
+ * Remove a header from the headers list.
+ *
+ * Returns 0, if the header was successfully removed.
+ * Returns -1, if the header could not be found.
+ */
+int http_remove_header(struct http_header **headers, const char *key)
+{
+ struct http_header *header;
+
+ /* Sanity checks */
+ if (!headers || !key) {
+ DEBUG(0, ("%s: Invalid parameter\n", __func__));
+ return -1;
+ }
+
+ for(header = *headers; header != NULL; header = header->next) {
+ if (strcmp(key, header->key) == 0) {
+ DLIST_REMOVE(*headers, header);
+ return 0;
+ }
+ }
+ return -1;
+}
+
+static int http_read_response_next_vector(struct tstream_context *stream,
+ void *private_data,
+ TALLOC_CTX *mem_ctx,
+ struct iovec **_vector,
+ size_t *_count)
+{
+ struct http_read_response_state *state;
+ struct iovec *vector;
+
+ /* Sanity checks */
+ if (!stream || !private_data || !_vector || !_count) {
+ DEBUG(0, ("%s: Invalid Parameter\n", __func__));
+ return -1;
+ }
+
+ state = talloc_get_type_abort(private_data, struct http_read_response_state);
+ vector = talloc_array(mem_ctx, struct iovec, 1);
+ if (!vector) {
+ DEBUG(0, ("%s: No more memory\n", __func__));
+ return -1;
+ }
+
+ if (state->buffer.data == NULL) {
+ /* Allocate buffer */
+ state->buffer.data = talloc_zero_array(state, uint8_t, 1);
+ if (!state->buffer.data) {
+ DEBUG(0, ("%s: No more memory\n", __func__));
+ return -1;
+ }
+ state->buffer.length = 1;
+
+ /* Return now, nothing to parse yet */
+ vector[0].iov_base = (void *)(state->buffer.data);
+ vector[0].iov_len = 1;
+ *_vector = vector;
+ *_count = 1;
+ return 0;
+ }
+
+ switch (http_parse_buffer(state)) {
+ case HTTP_ALL_DATA_READ:
+ if (state->parser_state == HTTP_READING_DONE) {
+ /* Full request or response parsed */
+ *_vector = NULL;
+ *_count = 0;
+ } else {
+ /* Free current buffer and allocate new one */
+ TALLOC_FREE(state->buffer.data);
+ state->buffer.data = talloc_zero_array(state, uint8_t, 1);
+ if (!state->buffer.data) {
+ return -1;
+ }
+ state->buffer.length = 1;
+
+ vector[0].iov_base = (void *)(state->buffer.data);
+ vector[0].iov_len = 1;
+ *_vector = vector;
+ *_count = 1;
+ }
+ break;
+ case HTTP_MORE_DATA_EXPECTED:
+ /* TODO Optimize, allocating byte by byte */
+ state->buffer.data = talloc_realloc(state, state->buffer.data,
+ uint8_t, state->buffer.length + 1);
+ if (!state->buffer.data) {
+ return -1;
+ }
+ state->buffer.length++;
+ vector[0].iov_base = (void *)(state->buffer.data +
+ state->buffer.length - 1);
+ vector[0].iov_len = 1;
+ *_vector = vector;
+ *_count = 1;
+ break;
+ case HTTP_DATA_CORRUPTED:
+ case HTTP_REQUEST_CANCELED:
+ case HTTP_DATA_TOO_LONG:
+ return -1;
+ break;
+ default:
+ DEBUG(0, ("%s: Unexpected status\n", __func__));
+ break;
+ }
+ return 0;
+}
+
+
+/**
+ * Reads a HTTP response
+ */
+static void http_read_response_done(struct tevent_req *);
+struct tevent_req *http_read_response_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct http_conn *http_conn,
+ size_t max_content_length)
+{
+ struct tevent_req *req;
+ struct tevent_req *subreq;
+ struct http_read_response_state *state;
+
+ DEBUG(11, ("%s: Reading HTTP response\n", __func__));
+
+ /* Sanity checks */
+ if (ev == NULL || http_conn == NULL) {
+ DEBUG(0, ("%s: Invalid parameter\n", __func__));
+ return NULL;
+ }
+
+ req = tevent_req_create(mem_ctx, &state, struct http_read_response_state);
+ if (req == NULL) {
+ return NULL;
+ }
+
+ state->max_headers_size = HTTP_MAX_HEADER_SIZE;
+ state->max_content_length = (uint64_t)max_content_length;
+ state->parser_state = HTTP_READING_FIRSTLINE;
+ state->response = talloc_zero(state, struct http_request);
+ if (tevent_req_nomem(state->response, req)) {
+ return tevent_req_post(req, ev);
+ }
+
+ subreq = tstream_readv_pdu_send(state, ev, http_conn->tstreams.active,
+ http_read_response_next_vector,
+ state);
+ if (tevent_req_nomem(subreq,req)) {
+ return tevent_req_post(req, ev);
+ }
+ tevent_req_set_callback(subreq, http_read_response_done, req);
+
+ return req;
+}
+
+static void http_read_response_done(struct tevent_req *subreq)
+{
+ NTSTATUS status;
+ struct tevent_req *req;
+ int ret;
+ int sys_errno;
+
+ if (!subreq) {
+ DEBUG(0, ("%s: Invalid parameter\n", __func__));
+ return;
+ }
+
+ req = tevent_req_callback_data(subreq, struct tevent_req);
+
+ ret = tstream_readv_pdu_recv(subreq, &sys_errno);
+ DEBUG(11, ("%s: HTTP response read (%d bytes)\n", __func__, ret));
+ TALLOC_FREE(subreq);
+ if (ret == -1) {
+ status = map_nt_error_from_unix_common(sys_errno);
+ DEBUG(0, ("%s: Failed to read HTTP response: %s\n",
+ __func__, nt_errstr(status)));
+ tevent_req_nterror(req, status);
+ return;
+ }
+
+ tevent_req_done(req);
+}
+
+NTSTATUS http_read_response_recv(struct tevent_req *req,
+ TALLOC_CTX *mem_ctx,
+ struct http_request **response)
+{
+ NTSTATUS status;
+ struct http_read_response_state *state;
+
+ if (!mem_ctx || !response || !req) {
+ DEBUG(0, ("%s: Invalid parameter\n", __func__));
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+ if (tevent_req_is_nterror(req, &status)) {
+ tevent_req_received(req);
+ return status;
+ }
+
+ state = tevent_req_data(req, struct http_read_response_state);
+ *response = state->response;
+ talloc_steal(mem_ctx, state->response);
+
+ tevent_req_received(req);
+
+ return NT_STATUS_OK;
+}
+
+static const char *http_method_str(enum http_cmd_type type)
+{
+ const char *method;
+
+ switch (type) {
+ case HTTP_REQ_POST:
+ method = "POST";
+ break;
+ case HTTP_REQ_RPC_IN_DATA:
+ method = "RPC_IN_DATA";
+ break;
+ case HTTP_REQ_RPC_OUT_DATA:
+ method = "RPC_OUT_DATA";
+ break;
+ default:
+ method = NULL;
+ break;
+ }
+
+ return method;
+}
+
+static NTSTATUS http_push_request_line(TALLOC_CTX *mem_ctx,
+ DATA_BLOB *buffer,
+ const struct http_request *req)
+{
+ const char *method;
+ char *str;
+
+ /* Sanity checks */
+ if (!buffer || !req) {
+ DEBUG(0, ("%s: Invalid parameter\n", __func__));
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ method = http_method_str(req->type);
+ if (method == NULL) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ str = talloc_asprintf(mem_ctx, "%s %s HTTP/%c.%c\r\n", method,
+ req->uri, req->major, req->minor);
+ if (str == NULL)
+ return NT_STATUS_NO_MEMORY;
+
+ if (!data_blob_append(mem_ctx, buffer, str, strlen(str))) {
+ talloc_free(str);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ talloc_free(str);
+ return NT_STATUS_OK;
+}
+
+static NTSTATUS http_push_headers(TALLOC_CTX *mem_ctx,
+ DATA_BLOB *blob,
+ struct http_request *req)
+{
+ struct http_header *header = NULL;
+ char *header_str = NULL;
+ size_t len;
+
+ /* Sanity checks */
+ if (!blob || !req) {
+ DEBUG(0, ("%s: Invalid parameter\n", __func__));
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ for (header = req->headers; header != NULL; header = header->next) {
+ header_str = talloc_asprintf(mem_ctx, "%s: %s\r\n",
+ header->key, header->value);
+ if (header_str == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ len = strlen(header_str);
+ if (!data_blob_append(mem_ctx, blob, header_str, len)) {
+ talloc_free(header_str);
+ return NT_STATUS_NO_MEMORY;
+ }
+ talloc_free(header_str);
+ }
+
+ if (!data_blob_append(mem_ctx, blob, "\r\n",2)) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ return NT_STATUS_OK;
+}
+
+
+static NTSTATUS http_push_body(TALLOC_CTX *mem_ctx,
+ DATA_BLOB *blob,
+ struct http_request *req)
+{
+ /* Sanity checks */
+ if (!blob || !req) {
+ DEBUG(0, ("%s: Invalid parameter\n", __func__));
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ if (req->body.length) {
+ if (!data_blob_append(mem_ctx, blob, req->body.data,
+ req->body.length)) {
+ return NT_STATUS_NO_MEMORY;
+ }
+ }
+
+ return NT_STATUS_OK;
+}
+
+struct http_send_request_state {
+ struct tevent_context *ev;
+ struct loadparm_context *lp_ctx;
+ struct cli_credentials *credentials;
+ struct http_request *request;
+ DATA_BLOB buffer;
+ struct iovec iov;
+ ssize_t nwritten;
+ int sys_errno;
+};
+
+/**
+ * Sends and HTTP request
+ */
+static void http_send_request_done(struct tevent_req *);
+struct tevent_req *http_send_request_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct http_conn *http_conn,
+ struct http_request *request)
+{
+ struct tevent_req *req;
+ struct tevent_req *subreq;
+ struct http_send_request_state *state = NULL;
+ NTSTATUS status;
+
+ DEBUG(11, ("%s: Sending HTTP request\n", __func__));
+
+ /* Sanity checks */
+ if (ev == NULL || request == NULL || http_conn == NULL) {
+ DEBUG(0, ("%s: Invalid parameter\n", __func__));
+ return NULL;
+ }
+
+ req = tevent_req_create(mem_ctx, &state, struct http_send_request_state);
+ if (req == NULL) {
+ return NULL;
+ }
+
+ state->ev = ev;
+ state->request = request;
+
+ /* Push the request line */
+ status = http_push_request_line(state, &state->buffer, state->request);
+ if (!NT_STATUS_IS_OK(status)) {
+ tevent_req_nterror(req, status);
+ return tevent_req_post(req, ev);
+ }
+
+ /* Push the headers */
+ status = http_push_headers(mem_ctx, &state->buffer, request);
+ if (!NT_STATUS_IS_OK(status)) {
+ tevent_req_nterror(req, status);
+ return tevent_req_post(req, ev);
+ }
+
+ /* Push the body */
+ status = http_push_body(mem_ctx, &state->buffer, request);
+ if (!NT_STATUS_IS_OK(status)) {
+ tevent_req_nterror(req, status);
+ return tevent_req_post(req, ev);
+ }
+
+ state->iov.iov_base = (char *) state->buffer.data;
+ state->iov.iov_len = state->buffer.length;
+ subreq = tstream_writev_queue_send(state,
+ ev,
+ http_conn->tstreams.active,
+ http_conn->send_queue,
+ &state->iov, 1);
+ if (tevent_req_nomem(subreq, req)) {
+ return tevent_req_post(req, ev);
+ }
+ tevent_req_set_callback(subreq, http_send_request_done, req);
+
+ return req;
+}
+
+static void http_send_request_done(struct tevent_req *subreq)
+{
+ NTSTATUS status;
+ struct tevent_req *req;
+ struct http_send_request_state *state;
+
+ req = tevent_req_callback_data(subreq, struct tevent_req);
+ state = tevent_req_data(req, struct http_send_request_state);
+
+ state->nwritten = tstream_writev_queue_recv(subreq, &state->sys_errno);
+ TALLOC_FREE(subreq);
+ if (state->nwritten == -1 && state->sys_errno != 0) {
+ status = map_nt_error_from_unix_common(state->sys_errno);
+ DEBUG(0, ("%s: Failed to send HTTP request: %s\n",
+ __func__, nt_errstr(status)));
+ tevent_req_nterror(req, status);
+ return;
+ }
+
+ tevent_req_done(req);
+}
+
+NTSTATUS http_send_request_recv(struct tevent_req *req)
+{
+ NTSTATUS status;
+
+ if (!req) {
+ DEBUG(0, ("%s: Invalid parameter\n", __func__));
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ if (tevent_req_is_nterror(req, &status)) {
+ tevent_req_received(req);
+ return status;
+ }
+
+ tevent_req_received(req);
+
+ return NT_STATUS_OK;
+}