2021-02-07 17:15:51 +01:00
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/*
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* Copyright (c) 2021 Omar Polo <op@omarpolo.com>
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*
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* Permission to use, copy, modify, and 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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2021-02-12 13:47:20 +01:00
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#include "gmid.h"
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2021-02-14 13:20:34 +01:00
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#include <sys/types.h>
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#include <sys/uio.h>
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2021-02-07 17:15:51 +01:00
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#include <errno.h>
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2021-02-14 13:20:34 +01:00
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#include <event.h>
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#include <imsg.h>
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2021-02-07 17:15:51 +01:00
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#include <netdb.h>
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2021-04-28 14:43:17 +02:00
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#include <poll.h>
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2021-02-07 17:15:51 +01:00
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#include <stdarg.h>
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#include <stdio.h>
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#include <string.h>
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#include <syslog.h>
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2021-04-14 16:52:47 +02:00
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#include <time.h>
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2021-02-07 17:15:51 +01:00
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2023-06-06 10:50:54 +02:00
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#include "logger.h"
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2023-06-06 13:46:40 +02:00
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#include "log.h"
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2023-06-05 19:07:52 +02:00
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2021-03-19 20:21:29 +01:00
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static struct event imsgev;
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2021-02-14 13:20:34 +01:00
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2021-06-15 10:06:10 +02:00
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static FILE *log;
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2021-03-19 20:21:29 +01:00
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static void handle_imsg_quit(struct imsgbuf*, struct imsg*, size_t);
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static void handle_imsg_log(struct imsgbuf*, struct imsg*, size_t);
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2021-06-15 10:06:10 +02:00
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static void handle_imsg_log_type(struct imsgbuf*, struct imsg*, size_t);
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2021-03-19 20:21:29 +01:00
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static void handle_dispatch_imsg(int, short, void*);
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static imsg_handlerfn *handlers[] = {
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[IMSG_QUIT] = handle_imsg_quit,
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[IMSG_LOG] = handle_imsg_log,
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2021-07-19 09:31:40 +02:00
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[IMSG_LOG_REQUEST] = handle_imsg_log,
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2021-06-15 10:06:10 +02:00
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[IMSG_LOG_TYPE] = handle_imsg_log_type,
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2021-03-19 20:21:29 +01:00
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};
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2021-02-07 17:15:51 +01:00
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void
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log_request(struct client *c, char *meta, size_t l)
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{
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char hbuf[NI_MAXHOST], sbuf[NI_MAXSERV], b[GEMINI_URL_LEN];
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2021-10-15 09:51:15 +02:00
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char *fmted;
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const char *t;
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2021-02-07 17:15:51 +01:00
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size_t len;
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int ec;
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len = sizeof(c->addr);
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ec = getnameinfo((struct sockaddr*)&c->addr, len,
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hbuf, sizeof(hbuf),
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sbuf, sizeof(sbuf),
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NI_NUMERICHOST | NI_NUMERICSERV);
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if (ec != 0)
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2023-06-05 19:07:52 +02:00
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fatalx("getnameinfo: %s", gai_strerror(ec));
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2021-02-07 17:15:51 +01:00
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if (c->iri.schema != NULL) {
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/* serialize the IRI */
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strlcpy(b, c->iri.schema, sizeof(b));
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strlcat(b, "://", sizeof(b));
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/* log the decoded host name, but if it was invalid
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* use the raw one. */
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if (*c->domain != '\0')
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strlcat(b, c->domain, sizeof(b));
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else
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strlcat(b, c->iri.host, sizeof(b));
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2021-10-24 18:34:30 +02:00
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if (*c->iri.path != '/')
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strlcat(b, "/", sizeof(b));
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2021-02-07 17:15:51 +01:00
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strlcat(b, c->iri.path, sizeof(b)); /* TODO: sanitize UTF8 */
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if (*c->iri.query != '\0') { /* TODO: sanitize UTF8 */
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strlcat(b, "?", sizeof(b));
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strlcat(b, c->iri.query, sizeof(b));
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}
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} else {
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2021-10-15 09:51:15 +02:00
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if ((t = c->req) == NULL)
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t = "";
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strlcpy(b, t, sizeof(b));
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2021-02-07 17:15:51 +01:00
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}
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2023-06-06 12:46:44 +02:00
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if ((t = memchr(meta, '\r', l)) == NULL)
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2021-02-07 17:15:51 +01:00
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t = meta + len;
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2021-02-14 13:20:34 +01:00
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ec = asprintf(&fmted, "%s:%s GET %s %.*s", hbuf, sbuf, b,
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(int)(t-meta), meta);
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if (ec < 0)
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err(1, "asprintf");
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2023-06-06 13:46:40 +02:00
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imsg_compose(&logibuf, IMSG_LOG_REQUEST, 0, 0, -1, fmted, ec + 1);
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imsg_flush(&logibuf);
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2021-02-14 13:20:34 +01:00
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free(fmted);
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}
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static void
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2021-03-19 20:21:29 +01:00
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handle_imsg_quit(struct imsgbuf *ibuf, struct imsg *imsg, size_t datalen)
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2021-02-14 13:20:34 +01:00
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{
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2021-03-19 20:21:29 +01:00
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event_loopbreak();
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}
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2021-02-14 13:20:34 +01:00
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2021-03-19 20:21:29 +01:00
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static void
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handle_imsg_log(struct imsgbuf *ibuf, struct imsg *imsg, size_t datalen)
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{
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2021-04-28 14:43:17 +02:00
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char *msg;
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2021-03-19 20:21:29 +01:00
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msg = imsg->data;
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msg[datalen-1] = '\0';
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2023-06-06 13:46:40 +02:00
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if (log != NULL)
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fprintf(log, "%s\n", msg);
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else
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syslog(LOG_DAEMON | LOG_NOTICE, "%s", msg);
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2021-06-15 10:06:10 +02:00
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}
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2021-04-28 14:43:17 +02:00
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2021-06-15 10:06:10 +02:00
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static void
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handle_imsg_log_type(struct imsgbuf *ibuf, struct imsg *imsg, size_t datalen)
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{
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2021-07-07 11:18:24 +02:00
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if (log != NULL && log != stderr) {
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2021-06-15 10:06:10 +02:00
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fflush(log);
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fclose(log);
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2021-04-28 14:43:17 +02:00
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}
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2021-07-07 11:18:24 +02:00
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log = NULL;
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2021-04-28 14:43:17 +02:00
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2021-06-15 10:06:10 +02:00
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if (imsg->fd != -1) {
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if ((log = fdopen(imsg->fd, "a")) == NULL) {
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syslog(LOG_DAEMON | LOG_ERR, "fdopen: %s",
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strerror(errno));
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exit(1);
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}
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}
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2021-03-19 20:21:29 +01:00
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}
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static void
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handle_dispatch_imsg(int fd, short ev, void *d)
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{
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struct imsgbuf *ibuf = d;
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dispatch_imsg(ibuf, handlers, sizeof(handlers));
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2021-02-14 13:20:34 +01:00
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}
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2021-02-23 13:05:54 +01:00
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int
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2021-02-14 13:20:34 +01:00
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logger_main(int fd, struct imsgbuf *ibuf)
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{
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2021-07-07 11:18:24 +02:00
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log = stderr;
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2021-02-14 13:20:34 +01:00
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event_init();
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2021-03-19 20:21:29 +01:00
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event_set(&imsgev, fd, EV_READ | EV_PERSIST, &handle_dispatch_imsg, ibuf);
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event_add(&imsgev, NULL);
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2021-02-14 13:20:34 +01:00
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2021-03-20 09:42:08 +01:00
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sandbox_logger_process();
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2021-02-14 13:20:34 +01:00
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event_dispatch();
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2021-09-17 18:17:16 +02:00
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closelog();
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2021-02-14 13:20:34 +01:00
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return 0;
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}
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