hio/bin/webs.c

226 lines
4.7 KiB
C

#include <hio-http.h>
#include <hio-tar.h>
#include <signal.h>
#include <string.h>
#include <stdio.h>
#include <unistd.h>
struct htts_ext_t
{
const hio_bch_t* docroot;
};
typedef struct htts_ext_t htts_ext_t;
void untar (hio_t* hio, hio_dev_thr_iopair_t* iop, hio_svc_htts_thr_func_info_t* tfi, void* ctx)
{
FILE* wfp = HIO_NULL;
htts_ext_t* ext;
hio_tar_t* tar = HIO_NULL;
hio_uint8_t buf[4096];
ssize_t n;
ext = hio_svc_htts_getxtn(tfi->htts);
wfp = fdopen(iop->wfd, "w");
if (!wfp)
{
write (iop->wfd, "Status: 500\r\n\r\n", 15); /* internal server error */
goto done;
}
tar = hio_tar_open(hio, 0);
if (!tar)
{
write (iop->wfd, "Status: 500\r\n\r\n", 15);
goto done;
}
hio_tar_setxrootwithbcstr (tar, ext->docroot);
while (1)
{
n = read(iop->rfd, buf, HIO_COUNTOF(buf));
if (n <= 0) break; /* eof or error */
if (hio_tar_xfeed(tar, buf, n) <= -1)
{
write (iop->wfd, "Status: 500\r\n\r\n", 20);
goto done;
}
}
hio_tar_endxfeed (tar);
write (iop->wfd, "Status: 200\r\n\r\n", 15);
done:
if (tar)
{
hio_tar_close (tar);
}
if (wfp)
{
iop->wfd = HIO_SYSHND_INVALID; /* prevent double close by the main library since this function closes it with fclose() */
fclose (wfp);
}
}
static int process_http_request (hio_svc_htts_t* htts, hio_dev_sck_t* csck, hio_htre_t* req)
{
htts_ext_t* ext = hio_svc_htts_getxtn(htts);
hio_t* hio = hio_svc_htts_gethio(htts);
hio_http_method_t mth;
const hio_bch_t* qpath;
hio_htre_perdecqpath (req);
mth = hio_htre_getqmethodtype(req);
qpath = hio_htre_getqpath(req);
if (mth == HIO_HTTP_OTHER && hio_comp_bcstr(hio_htre_getqmethodname(req), "UNTAR", 1) == 0)
{
/* don't care about the path for now. TODO: make this secure and reasonable */
hio_svc_htts_dothr(htts, csck, req, untar, HIO_NULL, 0);
}
else // if (mth == HIO_HTTP_GET || mth == HIO_HTTP_POST)
{
/* TODO: proper mime-type */
const hio_bch_t* dot;
hio_bch_t mt[128];
dot = hio_rfind_bchar_in_bcstr(qpath, '.');
hio_fmttobcstr (hio, mt, HIO_COUNTOF(mt), "text/%hs", ((dot && dot[1] != '\0')? &dot[1]: "html")); /* TODO: error check */
if (hio_svc_htts_dofile(htts, csck, req, ext->docroot, qpath, mt, 0) <= -1) goto oops;
}
#if 0
else
{
if (hio_svc_htts_dotxt(htts, csck, req, HIO_HTTP_STATUS_FORBIDDEN, "text/plain", hio_http_status_to_bcstr(403), 0) <= -1) goto oops;
}
#endif
return 0;
oops:
hio_dev_sck_halt (csck);
return 0;
}
int webs_start (hio_t* hio, const hio_bch_t* addrs, const hio_bch_t* docroot)
{
const hio_bch_t* ptr, * end;
hio_bcs_t tok;
hio_dev_sck_bind_t bi[100];
hio_oow_t bic;
hio_svc_htts_t* webs;
htts_ext_t* ext;
bic = 0;
ptr = addrs;
end = ptr + hio_count_bcstr(ptr);
while (ptr)
{
ptr = hio_tokenize_bchars(ptr, end - ptr, ", ", 2, &tok, 0);
if (tok.len > 0)
{
if (hio_bcharstoskad(hio, tok.ptr, tok.len, &bi[bic].localaddr) <= -1)
{
/* TODO: logging */
continue;
}
bi[bic].options = HIO_DEV_SCK_BIND_REUSEADDR | HIO_DEV_SCK_BIND_REUSEPORT | HIO_DEV_SCK_BIND_IGNERR;
bic++;
if (bic >= HIO_COUNTOF(bi)) break; /* TODO: make 'bi' dynamic */
}
}
webs = hio_svc_htts_start(hio, HIO_SIZEOF(htts_ext_t), bi, bic, process_http_request);
if (!webs) return -1; /* TODO: logging */
ext = hio_svc_htts_getxtn(webs);
ext->docroot = docroot;
return 0;
}
static hio_t* g_hio = HIO_NULL;
static void handle_sigint (int sig)
{
if (g_hio) hio_stop (g_hio, HIO_STOPREQ_TERMINATION);
}
int main (int argc, char* argv[])
{
hio_t* hio = HIO_NULL;
hio_oow_t i;
struct sigaction sigact;
int xret = -1;
#if 0
// TODO: use getopt() or something similar
for (i = 1; i < argc; )
{
if (strcmp(argv[i], "-s") == 0)
{
i++;
g_dev_type4 = HIO_DEV_SCK_SCTP4;
g_dev_type6 = HIO_DEV_SCK_SCTP6;
}
else
{
printf ("Error: invalid argument %s\n", argv[i]);
return -1;
}
}
#else
if (argc < 3)
{
printf ("Error: %s listen-address doc-root\n", hio_get_base_name_bcstr(argv[0]));
return -1;
}
#endif
memset (&sigact, 0, HIO_SIZEOF(sigact));
sigact.sa_handler = SIG_IGN;
sigaction (SIGPIPE, &sigact, HIO_NULL);
memset (&sigact, 0, HIO_SIZEOF(sigact));
sigact.sa_handler = handle_sigint;
sigaction (SIGINT, &sigact, HIO_NULL);
hio = hio_open(HIO_NULL, 0, HIO_NULL, HIO_FEATURE_ALL, 512, HIO_NULL);
if (!hio)
{
printf ("Cannot open hio\n");
goto oops;
}
hio_setoption (hio, HIO_LOG_TARGET_BCSTR, "/dev/stderr");
{
hio_bitmask_t logmask;
hio_getoption (hio, HIO_LOG_MASK, &logmask);
logmask |= HIO_LOG_GUARDED;
hio_setoption (hio, HIO_LOG_MASK, &logmask);
}
g_hio = hio;
if (webs_start(hio, argv[1], argv[2]) <= -1) goto oops;
hio_loop (hio);
g_hio = HIO_NULL;
xret = 0;
oops:
memset (&sigact, 0, HIO_SIZEOF(sigact));
sigact.sa_handler = SIG_IGN;
sigaction (SIGINT, &sigact, HIO_NULL);
if (hio) hio_close (hio);
return xret;
}