mirror of https://github.com/msantos/xmppipe
reorg: xmppipe_send*
Michael Santos
5 years ago
parent
d6dcc88bc6
commit
895ad40ee2
@ -0,0 +1,212 @@
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/* Copyright (c) 2019, Michael Santos <michael.santos@gmail.com>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include "xmppipe.h"
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void
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xmppipe_send_stanza(xmppipe_state_t *state, char *buf, size_t len)
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{
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switch (state->format) {
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case XMPPIPE_FMT_TEXT:
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xmppipe_send_message(state,
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state->out,
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(state->opt & XMPPIPE_OPT_GROUPCHAT) ? "groupchat" : "chat",
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buf, len);
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return;
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case XMPPIPE_FMT_CSV:
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xmppipe_send_stanza_fmt(state, buf, len);
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break;
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default:
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if (state->verbose)
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(void)fprintf(stderr, "unsupported format: %d\n", state->format);
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return;
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}
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}
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void
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xmppipe_send_stanza_fmt(xmppipe_state_t *state, char *buf, size_t len)
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{
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char *to = NULL;
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char *type = NULL;
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char *default_type;
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int i;
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size_t n;
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char *tmp;
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char *start;
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char *end;
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char *body = NULL;
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int valid = 0;
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default_type = (state->opt & XMPPIPE_OPT_GROUPCHAT) ? "groupchat" : "chat";
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tmp = xmppipe_strdup(buf);
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start = tmp;
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/* trailing newline */
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end = strchr(start, '\n');
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if (end != NULL)
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*end = '\0';
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for (i = 0; start != NULL; i++) {
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end = strchr(start, ':');
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if (end != NULL)
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*end++ = '\0';
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n = strlen(start);
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if (state->verbose)
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(void)fprintf(stderr, "message:%d:%s\n", i,
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n == 0 ? "<empty>" : start);
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switch (i) {
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case 0:
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if (n != 1) {
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if (state->verbose)
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(void)fprintf(stderr, "stanza required\n");
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goto XMPPIPE_DONE;
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}
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switch (start[0]) {
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case 'm':
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break;
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case 'p':
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/* unsupported: fall through */
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default:
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if (state->verbose)
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(void)fprintf(stderr, "unsupported stanza: %c\n", start[0]);
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goto XMPPIPE_DONE;
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}
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break;
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case 1:
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type = xmppipe_fmt_decode((n == 0) ? default_type : start);
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if (type == NULL)
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goto XMPPIPE_DONE;
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break;
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case 2:
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to = xmppipe_fmt_decode((n == 0) ? state->out : start);
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if (to == NULL)
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goto XMPPIPE_DONE;
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break;
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case 3:
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break;
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case 4:
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body = xmppipe_fmt_decode(start);
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if (body == NULL)
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goto XMPPIPE_DONE;
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valid = 1;
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break;
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default:
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goto XMPPIPE_DONE;
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}
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start = end;
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}
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XMPPIPE_DONE:
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if (valid == 1)
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xmppipe_send_message(state, to, type, body, strlen(body));
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else
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if (state->verbose)
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(void)fprintf(stderr, "invalid input\n");
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free(tmp);
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free(type);
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free(to);
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free(body);
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}
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void
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xmppipe_send_message(xmppipe_state_t *state, char *to, char *type, char *buf,
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size_t len)
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{
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xmpp_stanza_t *message = NULL;
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xmpp_stanza_t *body = NULL;
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xmpp_stanza_t *text = NULL;
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char *id = NULL;
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id = xmpp_uuid_gen(state->ctx);
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if (id == NULL) {
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errx(EXIT_FAILURE, "unable to allocate message id");
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}
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message = xmppipe_stanza_new(state->ctx);
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xmppipe_stanza_set_name(message, "message");
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xmppipe_stanza_set_type(message, type);
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xmppipe_stanza_set_attribute(message, "to", to);
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xmppipe_stanza_set_id(message, id);
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body = xmppipe_stanza_new(state->ctx);
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xmppipe_stanza_set_name(body, "body");
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text = xmppipe_stanza_new(state->ctx);
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if (state->encode) {
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size_t len = strlen(buf);
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char *b64 = xmpp_base64_encode(state->ctx, (unsigned char *)buf, len);
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if (b64 == NULL)
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errx(EXIT_FAILURE, "encode: invalid input: %zu", len);
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xmppipe_stanza_set_text(text, b64);
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xmpp_free(state->ctx, b64);
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}
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else {
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xmppipe_stanza_set_text(text, buf);
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}
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xmppipe_stanza_add_child(body, text);
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xmppipe_stanza_add_child(message, body);
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xmppipe_send(state, message);
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(void)xmpp_stanza_release(message);
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xmpp_free(state->ctx, id);
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}
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void
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xmppipe_send(xmppipe_state_t *state, xmpp_stanza_t *const stanza)
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{
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xmpp_stanza_t *r = NULL;
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state->sm_request++;
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xmpp_send(state->conn, stanza);
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if (state->sm_enabled == 0)
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return;
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if (state->sm_request % state->sm_request_interval != 0)
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return;
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r = xmppipe_stanza_new(state->ctx);
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xmppipe_stanza_set_name(r, "r");
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xmppipe_stanza_set_ns(r, "urn:xmpp:sm:3");
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xmpp_send(state->conn, r);
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state->sm_request_unack++;
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(void)xmpp_stanza_release(r);
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}
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