bchs_tuto/examples/example6.c

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/*
* Copyright (c) 2016 Kristaps Dzonsons <kristaps@bsd.lv>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#if defined(__APPLE__)
#include <sandbox.h>
#endif
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <unistd.h>
#include <kcgi.h>
int
main(void)
{
struct kreq r;
const char *page = "index";
#if defined(__APPLE__)
char *ep;
int rc;
#endif
if (KCGI_OK != khttp_parse(&r, NULL, 0, &page, 1, 0))
return(EXIT_FAILURE);
/*
* kcgi(3) won't do anything special with the writing routines
* except flush to the stream, possibly by way of zlib.
* Thus, enact a sandbox that allows open file descriptors but
* not anything more.
*/
#if defined(__APPLE__)
rc = sandbox_init
(kSBXProfilePureComputation,
SANDBOX_NAMED, &ep);
if (-1 == rc) {
fprintf(stderr, "sandbox_init: %s\n", ep);
sandbox_free_error(ep);
khttp_free(&r);
return(EXIT_FAILURE);
}
#elif defined(__OpenBSD__)
if (-1 == pledge("stdio", NULL)) {
perror("pledge");
khttp_free(&r);
return(EXIT_FAILURE);
}
#endif
khttp_head(&r, kresps[KRESP_STATUS],
"%s", khttps[KHTTP_200]);
khttp_head(&r, kresps[KRESP_CONTENT_TYPE],
"%s", kmimetypes[r.mime]);
khttp_body(&r);
khttp_puts(&r, "Hello, world!\n");
khttp_free(&r);
return(EXIT_SUCCESS);
}