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added file-access and dir-access to cmd/http/httpd.c

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hyung-hwan
2013-02-21 15:00:08 +00:00
parent b677b4a892
commit b420a7c0dc
10 changed files with 721 additions and 188 deletions
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426
qse/cmd/http/httpd.c
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@ -8,6 +8,7 @@
#include <qse/cmn/mbwc.h>
#include <qse/cmn/time.h>
#include <qse/cmn/path.h>
#include <qse/cmn/opt.h>
#include <signal.h>
#include <locale.h>
@ -27,6 +28,7 @@
#else
# include <unistd.h>
# include <errno.h>
# include <fcntl.h>
#endif
#if defined(HAVE_SSL)
@ -38,17 +40,34 @@
/* --------------------------------------------------------------------- */
static qse_httpd_t* g_httpd = QSE_NULL;
static const qse_char_t* g_cfgfile = QSE_NULL;
static int g_daemon = 0;
static void sigint (int sig)
/* --------------------------------------------------------------------- */
typedef struct httpd_xtn_t httpd_xtn_t;
struct httpd_xtn_t
{
const qse_char_t* cfgfile;
qse_xli_t* xli;
qse_httpd_impede_t orgimpede;
int impede_code;
};
/* --------------------------------------------------------------------- */
static void sig_stop (int sig)
{
if (g_httpd) qse_httpd_stop (g_httpd);
}
static void sighup (int sig)
static void sig_reconf (int sig)
{
if (g_httpd)
{
/* arrange to intefere with httpd to perform reconfiguration */
httpd_xtn_t* httpd_xtn;
httpd_xtn = qse_httpd_getxtnstd (g_httpd);
httpd_xtn->impede_code = sig;
qse_httpd_impede (g_httpd);
}
}
@ -59,15 +78,25 @@ static void setup_signal_handlers ()
#if defined(SIGINT)
qse_memset (&act, 0, QSE_SIZEOF(act));
act.sa_handler = sigint;
act.sa_handler = sig_stop;
sigaction (SIGINT, &act, QSE_NULL);
#endif
#if defined(SIGTERM)
qse_memset (&act, 0, QSE_SIZEOF(act));
act.sa_handler = sig_stop;
sigaction (SIGTERM, &act, QSE_NULL);
#endif
#if defined(SIGHUP)
qse_memset (&act, 0, QSE_SIZEOF(act));
act.sa_handler = sighup;
act.sa_handler = sig_reconf;
sigaction (SIGHUP, &act, QSE_NULL);
#endif
#if defined(SIGUSR1)
qse_memset (&act, 0, QSE_SIZEOF(act));
act.sa_handler = sig_reconf;
sigaction (SIGUSR1, &act, QSE_NULL);
#endif
#if defined(SIGPIPE)
qse_memset (&act, 0, QSE_SIZEOF(act));
@ -85,12 +114,22 @@ static void restore_signal_handlers ()
act.sa_handler = SIG_DFL;
sigaction (SIGINT, &act, QSE_NULL);
#endif
#if defined(SIGTERM)
qse_memset (&act, 0, QSE_SIZEOF(act));
act.sa_handler = SIG_DFL;
sigaction (SIGTERM, &act, QSE_NULL);
#endif
#if defined(SIGHUP)
qse_memset (&act, 0, QSE_SIZEOF(act));
act.sa_handler = SIG_DFL;
sigaction (SIGHUP, &act, QSE_NULL);
#endif
#if defined(SIGUSR1)
qse_memset (&act, 0, QSE_SIZEOF(act));
act.sa_handler = SIG_DFL;
sigaction (SIGUSR1, &act, QSE_NULL);
#endif
#if defined(SIGPIPE)
qse_memset (&act, 0, QSE_SIZEOF(act));
@ -99,6 +138,43 @@ static void restore_signal_handlers ()
#endif
}
static int daemonize (int devnull)
{
#if defined(HAVE_FORK)
switch (fork())
{
case -1: return -1;
case 0: break; /* child */
default: _exit (0); /* parent */
}
if (setsid () <= -1) return -1;
/*umask (0);*/
chdir ("/");
if (devnull)
{
/* redirect stdin/out/err to /dev/null */
int fd = open ("/dev/null", O_RDWR);
if (fd >= 0)
{
dup2 (fd, 0);
dup2 (fd, 1);
dup2 (fd, 2);
close (fd);
}
}
return 0;
#else
return -1;
#endif
}
/* --------------------------------------------------------------------- */
enum
@ -117,8 +193,7 @@ struct cgi_t
{
enum {
CGI_SUFFIX,
CGI_FILE,
CGI_NAME,
CGI_MAX
} type;
@ -133,8 +208,8 @@ struct mime_t
{
enum {
MIME_SUFFIX,
MIME_FILE,
MIME_NAME,
MIME_OTHER,
MIME_MAX
} type;
@ -144,6 +219,23 @@ struct mime_t
struct mime_t* next;
};
struct access_t
{
/* TODO: support more types like ACCESS_GLOB
not-only the base name, find a way to use query path or xpath */
enum {
ACCESS_SUFFIX,
ACCESS_NAME,
ACCESS_OTHER,
ACCESS_MAX
} type;
qse_mchar_t* spec;
int value;
struct access_t* next;
};
typedef struct server_xtn_t server_xtn_t;
struct server_xtn_t
{
@ -176,15 +268,14 @@ struct server_xtn_t
struct mime_t* head;
struct mime_t* tail;
} mime[MIME_MAX];
struct
{
struct access_t* head;
struct access_t* tail;
} access[2][ACCESS_MAX];
};
typedef struct httpd_xtn_t httpd_xtn_t;
struct httpd_xtn_t
{
const qse_char_t* cfgfile;
qse_xli_t* xli;
qse_httpd_impede_t orgimpede;
};
static int make_resource (
qse_httpd_t* httpd, qse_httpd_client_t* client,
@ -253,7 +344,7 @@ static void free_resource (
static void clear_server_config (qse_httpd_t* httpd, qse_httpd_server_t* server)
{
server_xtn_t* server_xtn;
qse_size_t i;
qse_size_t i, j;
server_xtn = qse_httpd_getserverstdxtn (httpd, server);
@ -306,6 +397,25 @@ static void clear_server_config (qse_httpd_t* httpd, qse_httpd_server_t* server)
server_xtn->mime[i].head = QSE_NULL;
server_xtn->mime[i].tail = QSE_NULL;
}
for (j = 0; j < QSE_COUNTOF(server_xtn->access); j++)
{
for (i = 0; i < QSE_COUNTOF(server_xtn->access[j]); i++)
{
struct access_t* access = server_xtn->access[j][i].head;
while (access)
{
struct access_t* x = access;
access = x->next;
if (x->spec) qse_httpd_freemem (httpd, x->spec);
if (x) qse_httpd_freemem (httpd, x);
}
server_xtn->access[j][i].head = QSE_NULL;
server_xtn->access[j][i].tail = QSE_NULL;
}
}
}
static void detach_server (qse_httpd_t* httpd, qse_httpd_server_t* server)
@ -369,8 +479,8 @@ static int query_server (
struct cgi_t* cgi;
for (cgi = server_xtn->cgi[i].head; cgi; cgi = cgi->next)
{
if ((cgi->type == MIME_SUFFIX && qse_mbsend (xpath_base, cgi->spec)) ||
(cgi->type == MIME_FILE && qse_mbscmp (xpath_base, cgi->spec) == 0))
if ((cgi->type == CGI_SUFFIX && qse_mbsend (xpath_base, cgi->spec)) ||
(cgi->type == CGI_NAME && qse_mbscmp (xpath_base, cgi->spec) == 0))
{
scgi->cgi = 1;
scgi->nph = cgi->nph;
@ -386,7 +496,7 @@ static int query_server (
case QSE_HTTPD_SERVERSTD_MIME:
{
qse_size_t i;
qse_mchar_t* xpath_base;
const qse_mchar_t* xpath_base;
xpath_base = qse_mbsbasename (xpath);
@ -397,7 +507,8 @@ static int query_server (
for (mime = server_xtn->mime[i].head; mime; mime = mime->next)
{
if ((mime->type == MIME_SUFFIX && qse_mbsend (xpath_base, mime->spec)) ||
(mime->type == MIME_FILE && qse_mbscmp (xpath_base, mime->spec) == 0))
(mime->type == MIME_NAME && qse_mbscmp (xpath_base, mime->spec) == 0) ||
mime->type == MIME_OTHER)
{
*(const qse_mchar_t**)result = mime->value;
return 0;
@ -406,6 +517,35 @@ static int query_server (
}
return 0;
}
case QSE_HTTPD_SERVERSTD_DIRACC:
case QSE_HTTPD_SERVERSTD_FILEACC:
{
qse_size_t i;
const qse_mchar_t* xpath_base;
int id;
id = (code == QSE_HTTPD_SERVERSTD_DIRACC)? 0: 1;
xpath_base = qse_mbsbasename (xpath);
*(int*)result = 200;
for (i = 0; i < QSE_COUNTOF(server_xtn->access[id]); i++)
{
struct access_t* access;
for (access = server_xtn->access[id][i].head; access; access = access->next)
{
if ((access->type == ACCESS_SUFFIX && qse_mbsend (xpath_base, access->spec)) ||
(access->type == ACCESS_NAME && qse_mbscmp (xpath_base, access->spec) == 0) ||
access->type == ACCESS_OTHER)
{
*(int*)result = access->value;
return 0;
}
}
}
return 0;
}
}
return server_xtn->orgquery (httpd, server, req, xpath, code, result);
@ -498,9 +638,9 @@ static int load_server_config (
{
type = CGI_SUFFIX;
}
else if (qse_strcmp (pair->key, QSE_T("file")) == 0)
else if (qse_strcmp (pair->key, QSE_T("name")) == 0)
{
type = CGI_FILE;
type = CGI_NAME;
}
else continue;
@ -570,13 +710,14 @@ static int load_server_config (
if (atom->type != QSE_XLI_PAIR) continue;
pair = (qse_xli_pair_t*)atom;
if (pair->key && pair->name && pair->val->type == QSE_XLI_STR)
if (pair->key && pair->val->type == QSE_XLI_STR)
{
struct mime_t* mime;
int type;
if (qse_strcmp (pair->key, QSE_T("suffix")) == 0) type = MIME_SUFFIX;
else if (qse_strcmp (pair->key, QSE_T("file")) == 0) type = MIME_FILE;
if (qse_strcmp (pair->key, QSE_T("suffix")) == 0 && pair->name) type = MIME_SUFFIX;
else if (qse_strcmp (pair->key, QSE_T("name")) == 0 && pair->name) type = MIME_NAME;
else if (qse_strcmp (pair->key, QSE_T("other")) == 0 && !pair->name) type = MIME_OTHER;
else continue;
mime = qse_httpd_callocmem (httpd, QSE_SIZEOF(*mime));
@ -594,20 +735,16 @@ static int load_server_config (
qse_printf (QSE_T("ERROR: memory failure in copying mime\n"));
return -1;
}
if (pair->val->type == QSE_XLI_STR)
mime->value = qse_httpd_strtombsdup (httpd, ((qse_xli_str_t*)pair->val)->ptr);
if (!mime->value)
{
mime->value = qse_httpd_strtombsdup (httpd, ((qse_xli_str_t*)pair->val)->ptr);
if (!mime->value)
{
qse_httpd_freemem (httpd, mime->spec);
qse_httpd_freemem (httpd, mime);
qse_printf (QSE_T("ERROR: memory failure in copying mime\n"));
return -1;
}
/* TODO: more sanity check */
qse_httpd_freemem (httpd, mime->spec);
qse_httpd_freemem (httpd, mime);
qse_printf (QSE_T("ERROR: memory failure in copying mime\n"));
return -1;
}
if (server_xtn->mime[type].tail)
server_xtn->mime[type].tail->next = mime;
else
@ -617,6 +754,76 @@ static int load_server_config (
}
}
for (i = 0; i < 2; i++)
{
static struct
{
const qse_char_t* x;
const qse_char_t* y;
} acc_items[] =
{
{ QSE_T("host['*'].location['/'].dir-access"), QSE_T("default.dir-access") },
{ QSE_T("host['*'].location['/'].file-access"), QSE_T("default.file-access") },
};
pair = qse_xli_findpairbyname (httpd_xtn->xli, list, acc_items[i].x);
if (!pair) pair = qse_xli_findpairbyname (httpd_xtn->xli, QSE_NULL, acc_items[i].y);
if (pair && pair->val->type == QSE_XLI_LIST)
{
qse_xli_list_t* acclist = (qse_xli_list_t*)pair->val;
for (atom = acclist->head; atom; atom = atom->next)
{
if (atom->type != QSE_XLI_PAIR) continue;
pair = (qse_xli_pair_t*)atom;
if (pair->key && pair->val->type == QSE_XLI_STR)
{
struct access_t* acc;
const qse_char_t* tmp;
int type, value;
if (qse_strcmp (pair->key, QSE_T("suffix")) == 0 && pair->name) type = ACCESS_SUFFIX;
else if (qse_strcmp (pair->key, QSE_T("name")) == 0 && pair->name) type = ACCESS_NAME;
else if (qse_strcmp (pair->key, QSE_T("other")) == 0 && !pair->name) type = ACCESS_OTHER;
else continue;
tmp = ((qse_xli_str_t*)pair->val)->ptr;
if (qse_strcmp (tmp, QSE_T("noent")) == 0) value = 404;
else if (qse_strcmp (tmp, QSE_T("forbid")) == 0) value = 403;
else if (qse_strcmp (tmp, QSE_T("ok")) == 0) value = 200;
else continue;
/* TODO: more sanity check */
acc = qse_httpd_callocmem (httpd, QSE_SIZEOF(*acc));
if (acc == QSE_NULL)
{
qse_printf (QSE_T("ERROR: memory failure in copying acc\n"));
return -1;
}
acc->type = type;
if (pair->name)
{
acc->spec = qse_httpd_strtombsdup (httpd, pair->name);
if (!acc->spec)
{
qse_httpd_freemem (httpd, acc);
qse_printf (QSE_T("ERROR: memory failure in copying access\n"));
return -1;
}
}
acc->value = value;
if (server_xtn->access[i][type].tail)
server_xtn->access[i][type].tail->next = acc;
else
server_xtn->access[i][type].head = acc;
server_xtn->access[i][type].tail = acc;
}
}
}
}
/* perform more sanity check */
if (qse_mbschr (server_xtn->scfg[SCFG_AUTH], QSE_MT(':')) == QSE_NULL)
{
@ -844,58 +1051,171 @@ static void impede_httpd (qse_httpd_t* httpd)
if (httpd_xtn->orgimpede) httpd_xtn->orgimpede (httpd);
}
static void logact_httpd (qse_httpd_t* httpd, qse_httpd_act_t* act)
static void logact_httpd (qse_httpd_t* httpd, const qse_httpd_act_t* act)
{
httpd_xtn_t* httpd_xtn;
qse_char_t tmp[256];
qse_char_t tmp[128], tmp2[128], tmp3[128];
httpd_xtn = qse_httpd_getxtnstd (httpd);
switch (act->code)
{
case QSE_HTTPD_ACCEPT_CLIENT:
case QSE_HTTPD_CATCH_MERRMSG:
qse_printf (QSE_T("ERROR: %hs\n"), act->u.merrmsg);
break;
case QSE_HTTPD_CATCH_MDBGMSG:
qse_printf (QSE_T("DEBUG: %hs\n"), act->u.mdbgmsg);
break;
case QSE_HTTPD_ACCEPT_CLIENT:
qse_nwadtostr (&act->u.client->local_addr, tmp, QSE_COUNTOF(tmp), QSE_NWADTOSTR_ALL);
qse_nwadtostr (&act->u.client->orgdst_addr, tmp2, QSE_COUNTOF(tmp2), QSE_NWADTOSTR_ALL);
qse_nwadtostr (&act->u.client->remote_addr, tmp3, QSE_COUNTOF(tmp3), QSE_NWADTOSTR_ALL);
qse_printf (QSE_T("accepted client %s(%s) from %s\n"), tmp, tmp2, tmp3);
case QSE_HTTPD_PURGE_CLIENT:
qse_nwadtostr (&act->u.client->remote_addr, tmp, QSE_COUNTOF(tmp), QSE_NWADTOSTR_ALL);
qse_printf (QSE_T("purged client from %s\n"), tmp);
qse_printf (QSE_T("purged client - %s\n"), tmp);
break;
case QSE_HTTPD_READERR_CLIENT:
qse_nwadtostr (&act->u.client->remote_addr, tmp, QSE_COUNTOF(tmp), QSE_NWADTOSTR_ALL);
qse_printf (QSE_T("failed to read client - %s\n"), tmp);
break;
}
}
/* --------------------------------------------------------------------- */
static void print_version (void)
{
qse_printf (QSE_T("QSEHTTPD version %hs\n"), QSE_PACKAGE_VERSION);
}
static void print_usage (QSE_FILE* out, int argc, qse_char_t* argv[])
{
const qse_char_t* b = qse_basename (argv[0]);
qse_fprintf (out, QSE_T("USAGE: %s [options] -c file\n"), b);
qse_fprintf (out, QSE_T(" %s [options] --config-file file\n"), b);
qse_fprintf (out, QSE_T("options as follows:\n"));
qse_fprintf (out, QSE_T(" -h/--help show this message\n"));
qse_fprintf (out, QSE_T(" --version show version\n"));
qse_fprintf (out, QSE_T(" -c/--config-file file specify a configuration file\n"));
qse_fprintf (out, QSE_T(" -d/--daemon run in the background\n"));
}
static int handle_args (int argc, qse_char_t* argv[])
{
static qse_opt_lng_t lng[] =
{
{ QSE_T(":config-file"), QSE_T('c') },
{ QSE_T("daemon"), QSE_T('d') },
{ QSE_T("help"), QSE_T('h') },
{ QSE_T("version"), QSE_T('\0') },
{ QSE_NULL, QSE_T('\0') }
};
static qse_opt_t opt =
{
QSE_T("c:dh"),
lng
};
qse_cint_t c;
while ((c = qse_getopt (argc, argv, &opt)) != QSE_CHAR_EOF)
{
switch (c)
{
default:
goto wrongusage;
case QSE_T('?'):
qse_fprintf (QSE_STDERR,
QSE_T("ERROR: bad option - %c\n"),
opt.opt
);
goto wrongusage;
case QSE_T(':'):
qse_fprintf (QSE_STDERR,
QSE_T("ERROR: bad parameter for %c\n"),
opt.opt
);
goto wrongusage;
case QSE_T('c'):
g_cfgfile = opt.arg;
break;
case QSE_T('d'):
g_daemon = 1;
break;
case QSE_T('h'):
print_usage (QSE_STDOUT, argc, argv);
return 0;
case QSE_T('\0'):
{
if (qse_strcmp(opt.lngopt, QSE_T("version")) == 0)
{
print_version ();
return 0;
}
break;
}
}
}
if (opt.ind < argc || g_cfgfile == QSE_NULL) goto wrongusage;
return 1;
wrongusage:
print_usage (QSE_STDERR, argc, argv);
return -1;
}
static int httpd_main (int argc, qse_char_t* argv[])
{
qse_httpd_t* httpd = QSE_NULL;
httpd_xtn_t* httpd_xtn;
qse_ntime_t tmout;
int trait, ret = -1;
int trait, ret;
qse_httpd_rcb_t rcb;
if (argc != 2)
{
/* TODO: proper check... */
qse_fprintf (QSE_STDERR, QSE_T("Usage: %s -f config-file\n"), argv[0]);
goto oops;
}
ret = handle_args (argc, argv);
if (ret <= -1) return -1;
if (ret == 0) return 0;
httpd = qse_httpd_openstd (QSE_SIZEOF(httpd_xtn_t));
if (httpd == QSE_NULL)
{
qse_fprintf (QSE_STDERR, QSE_T("Cannot open httpd\n"));
qse_fprintf (QSE_STDERR, QSE_T("ERROR: Cannot open httpd\n"));
goto oops;
}
httpd_xtn = qse_httpd_getxtnstd (httpd);
httpd_xtn->cfgfile = argv[1];
httpd_xtn->cfgfile = g_cfgfile;
if (load_config (httpd) <= -1) goto oops;
if (g_daemon)
{
if (daemonize (1) <= -1)
{
qse_fprintf (QSE_STDERR, QSE_T("ERROR: Cannot daemonize\n"));
goto oops;
}
}
g_httpd = httpd;
setup_signal_handlers ();
qse_httpd_getopt (httpd, QSE_HTTPD_TRAIT, &trait);
trait |= QSE_HTTPD_CGIERRTONUL | QSE_HTTPD_ENABLELOG;
trait |= QSE_HTTPD_CGIERRTONUL | QSE_HTTPD_LOGACT;
qse_httpd_setopt (httpd, QSE_HTTPD_TRAIT, &trait);
tmout.sec = 10;
@ -921,7 +1241,7 @@ static int httpd_main (int argc, qse_char_t* argv[])
oops:
if (httpd) qse_httpd_close (httpd);
return ret;
return -1;
}
int qse_main (int argc, qse_achar_t* argv[])