2 7e9b7812 2021-02-07 op * Copyright (c) 2021 Omar Polo <op@omarpolo.com>
4 7e9b7812 2021-02-07 op * Permission to use, copy, modify, and distribute this software for any
5 7e9b7812 2021-02-07 op * purpose with or without fee is hereby granted, provided that the above
6 7e9b7812 2021-02-07 op * copyright notice and this permission notice appear in all copies.
8 7e9b7812 2021-02-07 op * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 7e9b7812 2021-02-07 op * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 7e9b7812 2021-02-07 op * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 7e9b7812 2021-02-07 op * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 7e9b7812 2021-02-07 op * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 7e9b7812 2021-02-07 op * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 7e9b7812 2021-02-07 op * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 52418c8d 2021-02-12 op #include "gmid.h"
19 d278a0c3 2021-02-23 op #include <sys/types.h>
20 d278a0c3 2021-02-23 op #include <sys/uio.h>
22 7e9b7812 2021-02-07 op #include <errno.h>
23 d278a0c3 2021-02-23 op #include <event.h>
24 d278a0c3 2021-02-23 op #include <imsg.h>
25 7e9b7812 2021-02-07 op #include <netdb.h>
26 7e9b7812 2021-02-07 op #include <stdarg.h>
27 7e9b7812 2021-02-07 op #include <stdio.h>
28 7e9b7812 2021-02-07 op #include <string.h>
29 7e9b7812 2021-02-07 op #include <syslog.h>
30 b3342582 2021-04-14 op #include <time.h>
32 bc99d868 2021-03-19 op static struct event imsgev;
34 bc99d868 2021-03-19 op static void handle_imsg_quit(struct imsgbuf*, struct imsg*, size_t);
35 bc99d868 2021-03-19 op static void handle_imsg_log(struct imsgbuf*, struct imsg*, size_t);
36 bc99d868 2021-03-19 op static void handle_dispatch_imsg(int, short, void*);
38 bc99d868 2021-03-19 op static imsg_handlerfn *handlers[] = {
39 bc99d868 2021-03-19 op [IMSG_QUIT] = handle_imsg_quit,
40 bc99d868 2021-03-19 op [IMSG_LOG] = handle_imsg_log,
43 b3342582 2021-04-14 op static inline void
44 b3342582 2021-04-14 op print_date(void)
46 b3342582 2021-04-14 op struct tm tminfo;
51 b3342582 2021-04-14 op strftime(buf, sizeof(buf), "%F %T",
52 b3342582 2021-04-14 op localtime_r(&t, &tminfo));
53 b3342582 2021-04-14 op fprintf(stderr, "[%s] ", buf);
56 7e9b7812 2021-02-07 op static inline int
57 7e9b7812 2021-02-07 op should_log(int priority)
59 7e9b7812 2021-02-07 op switch (priority) {
62 7e9b7812 2021-02-07 op case LOG_WARNING:
64 7e9b7812 2021-02-07 op case LOG_NOTICE:
65 7e9b7812 2021-02-07 op return conf.verbose >= 1;
66 7e9b7812 2021-02-07 op case LOG_INFO:
67 7e9b7812 2021-02-07 op return conf.verbose >= 2;
68 7e9b7812 2021-02-07 op case LOG_DEBUG:
69 7e9b7812 2021-02-07 op return conf.verbose >= 3;
75 d278a0c3 2021-02-23 op static inline void
76 42447f67 2021-04-28 op send_log(int priority, const char *msg, size_t len)
78 42447f67 2021-04-28 op imsg_compose(&logibuf, IMSG_LOG, priority, 0, -1, msg, len);
79 bc99d868 2021-03-19 op imsg_flush(&logibuf);
83 d89a9060 2021-04-28 op fatal(const char *fmt, ...)
89 d89a9060 2021-04-28 op va_start(ap, fmt);
90 d89a9060 2021-04-28 op if ((r = vasprintf(&fmted, fmt, ap)) != -1) {
91 d89a9060 2021-04-28 op send_log(LOG_ERR, fmted, r+1);
98 d278a0c3 2021-02-23 op static inline void
99 d278a0c3 2021-02-23 op vlog(int priority, struct client *c,
100 7e9b7812 2021-02-07 op const char *fmt, va_list ap)
102 7e9b7812 2021-02-07 op char hbuf[NI_MAXHOST], sbuf[NI_MAXSERV];
103 7e9b7812 2021-02-07 op char *fmted, *s;
107 7e9b7812 2021-02-07 op if (!should_log(priority))
110 d278a0c3 2021-02-23 op if (c != NULL) {
111 7e9b7812 2021-02-07 op len = sizeof(c->addr);
112 7e9b7812 2021-02-07 op ec = getnameinfo((struct sockaddr*)&c->addr, len,
113 7e9b7812 2021-02-07 op hbuf, sizeof(hbuf),
114 7e9b7812 2021-02-07 op sbuf, sizeof(sbuf),
115 7e9b7812 2021-02-07 op NI_NUMERICHOST | NI_NUMERICSERV);
117 7e9b7812 2021-02-07 op fatal("getnameinfo: %s", gai_strerror(ec));
120 7e9b7812 2021-02-07 op if (vasprintf(&fmted, fmt, ap) == -1)
121 7e9b7812 2021-02-07 op fatal("vasprintf: %s", strerror(errno));
123 d278a0c3 2021-02-23 op if (c == NULL)
124 d278a0c3 2021-02-23 op ec = asprintf(&s, "internal: %s", fmted);
126 d278a0c3 2021-02-23 op ec = asprintf(&s, "%s:%s %s", hbuf, sbuf, fmted);
129 d278a0c3 2021-02-23 op fatal("asprintf: %s", strerror(errno));
131 42447f67 2021-04-28 op send_log(priority, s, ec+1);
138 7e9b7812 2021-02-07 op log_err(struct client *c, const char *fmt, ...)
142 7e9b7812 2021-02-07 op va_start(ap, fmt);
143 d278a0c3 2021-02-23 op vlog(LOG_ERR, c, fmt, ap);
148 7e9b7812 2021-02-07 op log_warn(struct client *c, const char *fmt, ...)
152 7e9b7812 2021-02-07 op va_start(ap, fmt);
153 d278a0c3 2021-02-23 op vlog(LOG_WARNING, c, fmt, ap);
158 7e9b7812 2021-02-07 op log_notice(struct client *c, const char *fmt, ...)
162 7e9b7812 2021-02-07 op va_start(ap, fmt);
163 d278a0c3 2021-02-23 op vlog(LOG_NOTICE, c, fmt, ap);
168 7e9b7812 2021-02-07 op log_info(struct client *c, const char *fmt, ...)
172 7e9b7812 2021-02-07 op va_start(ap, fmt);
173 d278a0c3 2021-02-23 op vlog(LOG_INFO, c, fmt, ap);
178 7e9b7812 2021-02-07 op log_debug(struct client *c, const char *fmt, ...)
182 7e9b7812 2021-02-07 op va_start(ap, fmt);
183 d278a0c3 2021-02-23 op vlog(LOG_DEBUG, c, fmt, ap);
187 7e9b7812 2021-02-07 op /* strchr, but with a bound */
188 7e9b7812 2021-02-07 op static char *
189 7e9b7812 2021-02-07 op gmid_strnchr(char *s, int c, size_t len)
193 7e9b7812 2021-02-07 op for (i = 0; i < len; ++i)
194 7e9b7812 2021-02-07 op if (s[i] == c)
195 7e9b7812 2021-02-07 op return &s[i];
200 7e9b7812 2021-02-07 op log_request(struct client *c, char *meta, size_t l)
202 7e9b7812 2021-02-07 op char hbuf[NI_MAXHOST], sbuf[NI_MAXSERV], b[GEMINI_URL_LEN];
203 d278a0c3 2021-02-23 op char *t, *fmted;
207 7e9b7812 2021-02-07 op len = sizeof(c->addr);
208 7e9b7812 2021-02-07 op ec = getnameinfo((struct sockaddr*)&c->addr, len,
209 7e9b7812 2021-02-07 op hbuf, sizeof(hbuf),
210 7e9b7812 2021-02-07 op sbuf, sizeof(sbuf),
211 7e9b7812 2021-02-07 op NI_NUMERICHOST | NI_NUMERICSERV);
213 7e9b7812 2021-02-07 op fatal("getnameinfo: %s", gai_strerror(ec));
215 7e9b7812 2021-02-07 op if (c->iri.schema != NULL) {
216 7e9b7812 2021-02-07 op /* serialize the IRI */
217 7e9b7812 2021-02-07 op strlcpy(b, c->iri.schema, sizeof(b));
218 7e9b7812 2021-02-07 op strlcat(b, "://", sizeof(b));
220 7e9b7812 2021-02-07 op /* log the decoded host name, but if it was invalid
221 7e9b7812 2021-02-07 op * use the raw one. */
222 7e9b7812 2021-02-07 op if (*c->domain != '\0')
223 7e9b7812 2021-02-07 op strlcat(b, c->domain, sizeof(b));
225 7e9b7812 2021-02-07 op strlcat(b, c->iri.host, sizeof(b));
227 7e9b7812 2021-02-07 op strlcat(b, "/", sizeof(b));
228 7e9b7812 2021-02-07 op strlcat(b, c->iri.path, sizeof(b)); /* TODO: sanitize UTF8 */
229 7e9b7812 2021-02-07 op if (*c->iri.query != '\0') { /* TODO: sanitize UTF8 */
230 7e9b7812 2021-02-07 op strlcat(b, "?", sizeof(b));
231 7e9b7812 2021-02-07 op strlcat(b, c->iri.query, sizeof(b));
234 7e9b7812 2021-02-07 op strlcpy(b, c->req, sizeof(b));
237 7e9b7812 2021-02-07 op if ((t = gmid_strnchr(meta, '\r', l)) == NULL)
238 7e9b7812 2021-02-07 op t = meta + len;
240 d278a0c3 2021-02-23 op ec = asprintf(&fmted, "%s:%s GET %s %.*s", hbuf, sbuf, b,
241 d278a0c3 2021-02-23 op (int)(t-meta), meta);
243 d278a0c3 2021-02-23 op err(1, "asprintf");
244 42447f67 2021-04-28 op send_log(LOG_NOTICE, fmted, ec+1);
251 bc99d868 2021-03-19 op handle_imsg_quit(struct imsgbuf *ibuf, struct imsg *imsg, size_t datalen)
253 bc99d868 2021-03-19 op event_loopbreak();
257 bc99d868 2021-03-19 op handle_imsg_log(struct imsgbuf *ibuf, struct imsg *imsg, size_t datalen)
261 bc99d868 2021-03-19 op msg = imsg->data;
262 bc99d868 2021-03-19 op msg[datalen-1] = '\0';
264 b3342582 2021-04-14 op if (conf.foreground) {
265 b3342582 2021-04-14 op print_date();
266 bc99d868 2021-03-19 op fprintf(stderr, "%s\n", msg);
268 42447f67 2021-04-28 op syslog(LOG_DAEMON | imsg->hdr.peerid, "%s", msg);
272 bc99d868 2021-03-19 op handle_dispatch_imsg(int fd, short ev, void *d)
274 bc99d868 2021-03-19 op struct imsgbuf *ibuf = d;
275 bc99d868 2021-03-19 op dispatch_imsg(ibuf, handlers, sizeof(handlers));
279 d278a0c3 2021-02-23 op logger_main(int fd, struct imsgbuf *ibuf)
281 d278a0c3 2021-02-23 op event_init();
283 bc99d868 2021-03-19 op event_set(&imsgev, fd, EV_READ | EV_PERSIST, &handle_dispatch_imsg, ibuf);
284 bc99d868 2021-03-19 op event_add(&imsgev, NULL);
286 62e001b0 2021-03-20 op sandbox_logger_process();
288 d278a0c3 2021-02-23 op event_dispatch();