From c21c3b0befeb46a51b6bf3758ffa30813bea0ff0 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 9 Mar 2024 14:19:22 +0100 Subject: Adding upstream version 1.44.3. Signed-off-by: Daniel Baumann --- web/server/h2o/libh2o/lib/handler/access_log.c | 153 +++++++++++++++++++++++++ 1 file changed, 153 insertions(+) create mode 100644 web/server/h2o/libh2o/lib/handler/access_log.c (limited to 'web/server/h2o/libh2o/lib/handler/access_log.c') diff --git a/web/server/h2o/libh2o/lib/handler/access_log.c b/web/server/h2o/libh2o/lib/handler/access_log.c new file mode 100644 index 000000000..4a7704174 --- /dev/null +++ b/web/server/h2o/libh2o/lib/handler/access_log.c @@ -0,0 +1,153 @@ +/* + * Copyright (c) 2014-2016 DeNA Co., Ltd., Kazuho Oku + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to + * deal in the Software without restriction, including without limitation the + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + */ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "h2o.h" +#include "h2o/serverutil.h" + +struct st_h2o_access_log_filehandle_t { + h2o_logconf_t *logconf; + int fd; +}; + +struct st_h2o_access_logger_t { + h2o_logger_t super; + h2o_access_log_filehandle_t *fh; +}; + +static void log_access(h2o_logger_t *_self, h2o_req_t *req) +{ + struct st_h2o_access_logger_t *self = (struct st_h2o_access_logger_t *)_self; + h2o_access_log_filehandle_t *fh = self->fh; + char *logline, buf[4096]; + size_t len; + + /* stringify */ + len = sizeof(buf); + logline = h2o_log_request(fh->logconf, req, &len, buf); + + /* emit */ + write(fh->fd, logline, len); + + /* free memory */ + if (logline != buf) + free(logline); +} + +static void on_dispose_handle(void *_fh) +{ + h2o_access_log_filehandle_t *fh = _fh; + + h2o_logconf_dispose(fh->logconf); + close(fh->fd); +} + +int h2o_access_log_open_log(const char *path) +{ + int fd; + + if (path[0] == '|') { + int pipefds[2]; + pid_t pid; + char *argv[4] = {"/bin/sh", "-c", (char *)(path + 1), NULL}; + /* create pipe */ + if (pipe(pipefds) != 0) { + perror("pipe failed"); + return -1; + } + if (fcntl(pipefds[1], F_SETFD, FD_CLOEXEC) == -1) { + perror("failed to set FD_CLOEXEC on pipefds[1]"); + return -1; + } + /* spawn the logger */ + int mapped_fds[] = {pipefds[0], 0, /* map pipefds[0] to stdin */ + -1}; + if ((pid = h2o_spawnp(argv[0], argv, mapped_fds, 0)) == -1) { + fprintf(stderr, "failed to open logger: %s:%s\n", path + 1, strerror(errno)); + return -1; + } + /* close the read side of the pipefds and return the write side */ + close(pipefds[0]); + fd = pipefds[1]; + } else { + if ((fd = open(path, O_CREAT | O_WRONLY | O_APPEND | O_CLOEXEC, 0644)) == -1) { + fprintf(stderr, "failed to open log file:%s:%s\n", path, strerror(errno)); + return -1; + } + } + + return fd; +} + +h2o_access_log_filehandle_t *h2o_access_log_open_handle(const char *path, const char *fmt, int escape) +{ + h2o_logconf_t *logconf; + int fd; + h2o_access_log_filehandle_t *fh; + char errbuf[256]; + + /* default to combined log format */ + if (fmt == NULL) + fmt = "%h %l %u %t \"%r\" %s %b \"%{Referer}i\" \"%{User-agent}i\""; + if ((logconf = h2o_logconf_compile(fmt, escape, errbuf)) == NULL) { + fprintf(stderr, "%s\n", errbuf); + return NULL; + } + + /* open log file */ + if ((fd = h2o_access_log_open_log(path)) == -1) { + h2o_logconf_dispose(logconf); + return NULL; + } + + fh = h2o_mem_alloc_shared(NULL, sizeof(*fh), on_dispose_handle); + fh->logconf = logconf; + fh->fd = fd; + return fh; +} + +static void dispose(h2o_logger_t *_self) +{ + struct st_h2o_access_logger_t *self = (void *)_self; + + h2o_mem_release_shared(self->fh); +} + +h2o_logger_t *h2o_access_log_register(h2o_pathconf_t *pathconf, h2o_access_log_filehandle_t *fh) +{ + struct st_h2o_access_logger_t *self = (void *)h2o_create_logger(pathconf, sizeof(*self)); + + self->super.dispose = dispose; + self->super.log_access = log_access; + self->fh = fh; + h2o_mem_addref_shared(fh); + + return &self->super; +} -- cgit v1.2.3