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fixed a bug in qse_mbs_ncpy() and qse_wcs_ncpy().

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enhanced qse_mbs_ncat() and qse_wcs_ncat() to allocate a buffer if zero-length string is passed in when the current capacity is 0
This commit is contained in:
hyung-hwan 2011-07-07 10:44:10 +00:00
parent 4d55ebbcce
commit afbbdd03ea
9 changed files with 120 additions and 51 deletions
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21
qse/include/qse/net/htre.h
View File

@ -68,16 +68,21 @@ struct qse_htre_t
#define qse_htre_getsstatus(re) ((re)->qmethod_or_sstatus)
#define qse_htre_setsstatus(re,v) QSE_BLOCK((re)->qmethod_or_sstatus=(v);)
#define qse_htre_setqpath(re,v) qse_htre_setbuf((re),&(re)->qpath_or_smesg,(v))
#define qse_htre_setsmessage(re,v) qse_htre_setbuf((re),&(re)->qpath_or_smesg,(v))
#define qse_htre_getqpath(re) (&(re)->qpath_or_smesg)
#define qse_htre_getqpathptr(re) QSE_MBS_PTR(&(re)->qpath_or_smesg)
#define qse_htre_getqpathlen(re) QSE_MBS_LEN(&(re)->qpath_or_smesg)
#define qse_htre_getqparamsptr(re) QSE_MBS_PTR(&(re)->qparamstr)
#define qse_htre_getqparamslen(re) QSE_MBS_LEN(&(re)->qparamstr)
#define qse_htre_getqparamstr(re) (&(re)->qparamstr)
#define qse_htre_getqparamstrptr(re) QSE_MBS_PTR(&(re)->qparamstr)
#define qse_htre_getqparamstrlen(re) QSE_MBS_LEN(&(re)->qparamstr)
#define qse_htre_getsmessage(re) (&(re)->qpath_or_smesg)
#define qse_htre_getsmessageptr(re) QSE_MBS_PTR(&(re)->qpath_or_smesg)
#define qse_htre_getsmessagelen(re) QSE_MBS_LEN(&(re)->qpath_or_smesg)
#define qse_htre_setqpath(re,v) qse_htre_setbuf((re),qse_htre_getqpath(re),(v))
#define qse_htre_setsmessage(re,v) qse_htre_setbuf((re),qse_htre_getsmessage(re),(v))
#define qse_htre_setdiscard(re,v) QSE_BLOCK((re)->discard = (v);)
#ifdef __cplusplus
@ -100,18 +105,18 @@ void qse_htre_clear (
int qse_htre_setbuf (
qse_htre_t* re,
qse_htob_t* buf,
const qse_htos_t* str
const qse_mcstr_t* str
);
void qse_htre_getbuf (
qse_htre_t* re,
const qse_htob_t* buf,
qse_htos_t* str
qse_mcstr_t* str
);
int qse_htre_setqparamstr (
qse_htre_t* re,
const qse_htoc_t* str
const qse_mcstr_t* str
);
#ifdef __cplusplus

2
qse/include/qse/net/http.h
View File

@ -76,7 +76,7 @@ int qse_gethttpmethodtype (
);
int qse_gethttpmethodtypefromstr (
const qse_htos_t* name,
const qse_mcstr_t* name,
qse_http_method_t* type
);

40
qse/lib/cmn/str_dynm.c
View File

@ -1,5 +1,5 @@
/*
* $Id: str_dynm.c 501 2011-07-05 15:45:00Z hyunghwan.chung $
* $Id: str_dynm.c 502 2011-07-06 16:44:10Z hyunghwan.chung $
*
Copyright 2006-2011 Chung, Hyung-Hwan.
This file is part of QSE.
@ -235,22 +235,32 @@ qse_size_t qse_mbs_cpy (qse_mbs_t* str, const qse_mchar_t* s)
qse_size_t qse_mbs_ncpy (qse_mbs_t* str, const qse_mchar_t* s, qse_size_t len)
{
if (len > str->capa || str->val.ptr == QSE_NULL)
if (len > str->capa || str->capa <= 0)
{
qse_mchar_t* buf;
qse_size_t tmp;
buf = (qse_mchar_t*) QSE_MMGR_ALLOC (
str->mmgr, QSE_SIZEOF(qse_mchar_t) * (len + 1));
if (buf == QSE_NULL) return (qse_size_t)-1;
if (str->val.ptr != QSE_NULL) QSE_MMGR_FREE (str->mmgr, str->val.ptr);
str->capa = len;
str->val.ptr = buf;
/* if the current capacity is 0 and the string len to copy is 0
* we can't simply pass 'len' as the new capapcity.
* qse_mbs_setcapa() won't do anything the current capacity of 0
* is the same as new capacity required. note that when str->capa
* is 0, str->val.ptr is QSE_NULL. However, this is copying operation.
* Copying a zero-length string may indicate that str->val.ptr must
* not be QSE_NULL. so I simply pass 1 as the new capacity */
tmp = qse_mbs_setcapa (
str, ((str->capa <= 0 && len <= 0)? 1: len)
);
if (tmp == (qse_size_t)-1) return (qse_size_t)-1;
}
QSE_MEMCPY (&str->val.ptr[0], s, len*QSE_SIZEOF(*s));
str->val.ptr[len] = QSE_MT('\0');
str->val.len = len;
return len;
#if 0
str->val.len = qse_mbsncpy (str->val.ptr, s, len);
/*str->val.ptr[str->val.len] = QSE_MT('\0'); -> mbsncpy does this*/
return str->val.len;
#endif
}
qse_size_t qse_mbs_cat (qse_mbs_t* str, const qse_mchar_t* s)
@ -295,6 +305,12 @@ qse_size_t qse_mbs_ncat (qse_mbs_t* str, const qse_mchar_t* s, qse_size_t len)
}
while (1);
}
else if (str->capa <= 0 && len <= 0)
{
QSE_ASSERT (str->val.ptr == QSE_NULL);
QSE_ASSERT (str->val.len <= 0);
if (qse_mbs_setcapa (str, 1) == (qse_size_t)-1) return (qse_size_t)-1;
}
if (len > str->capa - str->val.len)
{
@ -303,12 +319,16 @@ qse_size_t qse_mbs_ncat (qse_mbs_t* str, const qse_mchar_t* s, qse_size_t len)
len = str->capa - str->val.len;
}
#if 0
if (len > 0)
{
#endif
QSE_MEMCPY (&str->val.ptr[str->val.len], s, len*QSE_SIZEOF(*s));
str->val.len += len;
str->val.ptr[str->val.len] = QSE_MT('\0');
#if 0
}
#endif
return str->val.len;
}

42
qse/lib/cmn/str_dynw.c
View File

@ -1,5 +1,5 @@
/*
* $Id: str_dynw.c 501 2011-07-05 15:45:00Z hyunghwan.chung $
* $Id: str_dynw.c 502 2011-07-06 16:44:10Z hyunghwan.chung $
*
Copyright 2006-2011 Chung, Hyung-Hwan.
This file is part of QSE.
@ -235,22 +235,32 @@ qse_size_t qse_wcs_cpy (qse_wcs_t* str, const qse_wchar_t* s)
qse_size_t qse_wcs_ncpy (qse_wcs_t* str, const qse_wchar_t* s, qse_size_t len)
{
if (len > str->capa || str->val.ptr == QSE_NULL)
if (len > str->capa || str->capa <= 0)
{
qse_wchar_t* buf;
qse_size_t tmp;
buf = (qse_wchar_t*) QSE_MMGR_ALLOC (
str->mmgr, QSE_SIZEOF(qse_wchar_t) * (len + 1));
if (buf == QSE_NULL) return (qse_size_t)-1;
if (str->val.ptr != QSE_NULL) QSE_MMGR_FREE (str->mmgr, str->val.ptr);
str->capa = len;
str->val.ptr = buf;
/* if the current capacity is 0 and the string len to copy is 0
* we can't simply pass 'len' as the new capapcity.
* qse_wcs_setcapa() won't do anything the current capacity of 0
* is the same as new capacity required. note that when str->capa
* is 0, str->val.ptr is QSE_NULL. However, this is copying operation.
* Copying a zero-length string may indicate that str->val.ptr must
* not be QSE_NULL. so I simply pass 1 as the new capacity */
tmp = qse_wcs_setcapa (
str, ((str->capa <= 0 && len <= 0)? 1: len)
);
if (tmp == (qse_size_t)-1) return (qse_size_t)-1;
}
QSE_MEMCPY (&str->val.ptr[0], s, len*QSE_SIZEOF(*s));
str->val.ptr[len] = QSE_WT('\0');
str->val.len = len;
return len;
#if 0
str->val.len = qse_wcsncpy (str->val.ptr, s, len);
/* str->val.ptr[str->val.len] = QSE_WT('\0'); -> wcsncpy does this */
/*str->val.ptr[str->val.len] = QSE_WT('\0'); -> wcsncpy does this*/
return str->val.len;
#endif
}
qse_size_t qse_wcs_cat (qse_wcs_t* str, const qse_wchar_t* s)
@ -295,6 +305,12 @@ qse_size_t qse_wcs_ncat (qse_wcs_t* str, const qse_wchar_t* s, qse_size_t len)
}
while (1);
}
else if (str->capa <= 0 && len <= 0)
{
QSE_ASSERT (str->val.ptr == QSE_NULL);
QSE_ASSERT (str->val.len <= 0);
if (qse_wcs_setcapa (str, 1) == (qse_size_t)-1) return (qse_size_t)-1;
}
if (len > str->capa - str->val.len)
{
@ -303,12 +319,16 @@ qse_size_t qse_wcs_ncat (qse_wcs_t* str, const qse_wchar_t* s, qse_size_t len)
len = str->capa - str->val.len;
}
#if 0
if (len > 0)
{
#endif
QSE_MEMCPY (&str->val.ptr[str->val.len], s, len*QSE_SIZEOF(*s));
str->val.len += len;
str->val.ptr[str->val.len] = QSE_WT('\0');
#if 0
}
#endif
return str->val.len;
}

6
qse/lib/net/htrd.c
View File

@ -198,7 +198,7 @@ static qse_htoc_t* parse_initial_line (
qse_htrd_t* http, qse_htoc_t* line)
{
qse_htoc_t* p = line;
qse_htos_t tmp;
qse_mcstr_t tmp;
qse_http_method_t mtype;
#if 0
@ -285,7 +285,7 @@ static qse_htoc_t* parse_initial_line (
else
{
qse_htoc_t* out;
qse_htos_t param;
qse_mcstr_t param;
/* method name must be followed by space */
if (!is_space_octet(*p)) goto badre;
@ -344,7 +344,7 @@ static qse_htoc_t* parse_initial_line (
if (param.ptr)
{
param.len = out - param.ptr;
if (qse_htre_setqparamstr (&http->re, param.ptr) <= -1) goto outofmem;
if (qse_htre_setqparamstr (&http->re, &param) <= -1) goto outofmem;
}
else tmp.len = out - tmp.ptr;

13
qse/lib/net/htre.c
View File

@ -16,7 +16,6 @@ qse_htre_t* qse_htre_init (qse_htre_t* re, qse_mmgr_t* mmgr)
}
qse_mbs_init (&re->content, mmgr, 0);
qse_mbs_init (&re->qpath_or_smesg, mmgr, 0);
qse_mbs_init (&re->qparamstr, mmgr, 0);
@ -46,23 +45,21 @@ void qse_htre_clear (qse_htre_t* re)
}
int qse_htre_setbuf (
qse_htre_t* re, qse_htob_t* buf, const qse_htos_t* str)
qse_htre_t* re, qse_htob_t* buf, const qse_mcstr_t* str)
{
qse_mbs_clear (buf);
return (qse_mbs_ncat (buf, str->ptr, str->len) == (qse_size_t)-1)? -1: 0;
return (qse_mbs_ncpy (buf, str->ptr, str->len) == (qse_size_t)-1)? -1: 0;
}
void qse_htre_getbuf (
qse_htre_t* re, const qse_htob_t* buf, qse_htos_t* str)
qse_htre_t* re, const qse_htob_t* buf, qse_mcstr_t* str)
{
str->ptr = QSE_MBS_PTR(buf);
str->len = QSE_MBS_LEN(buf);
}
int qse_htre_setqparamstr (qse_htre_t* re, const qse_htoc_t* str)
int qse_htre_setqparamstr (qse_htre_t* re, const qse_mcstr_t* str)
{
return (qse_mbs_cpy (&re->qparamstr, str) == (qse_size_t)-1)? -1: 0;
return (qse_mbs_ncpy (&re->qparamstr, str->ptr, str->len) == (qse_size_t)-1)? -1: 0;
}

9
qse/lib/net/http.c
View File

@ -97,7 +97,7 @@ int qse_gethttpmethodtype (
}
int qse_gethttpmethodtypefromstr (
const qse_htos_t* name,
const qse_mcstr_t* name,
qse_http_method_t* type)
{
/* perform binary search */
@ -150,7 +150,11 @@ int qse_scanhttpparamstr (
if (*p == '&' || *p == ';' || *p == '\0')
{
QSE_ASSERT (key.ptr != QSE_NULL);
if (val.ptr == QSE_NULL) val.ptr = "";
if (val.ptr == QSE_NULL)
{
if (key.len == 0) break;
val.ptr = "";
}
if (callback (ctx, &key, &val) <= -1) return -1;
@ -168,6 +172,7 @@ int qse_scanhttpparamstr (
{
if (val.ptr) val.len++;
else key.len++;
p++;
}
}

2
qse/lib/stx/par.c
View File

@ -2,6 +2,7 @@
* $Id$
*/
#if 0
#include "par.h"
#include "../cmn/mem.h"
@ -1698,3 +1699,4 @@ static int __close_input (qse_stc_t* stc)
return 0;
}
#endif

36
qse/samples/net/http01.c
View File

@ -303,8 +303,10 @@ qse_printf (QSE_T("HEADER OK %d[%S] %d[%S]\n"), (int)QSE_HTB_KLEN(pair), QSE_HT
return QSE_HTB_WALK_FORWARD;
}
static capture_param (void* ctx, const qse_mcstr_t* key, const qse_mcstr_t* val)
static int capture_param (void* ctx, const qse_mcstr_t* key, const qse_mcstr_t* val)
{
qse_printf (QSE_T("PARAM [%.*S] => [%.*S] \n"), (int)key->len, key->ptr, (int)val->len, val->ptr);
return 0;
}
static int handle_request (qse_htrd_t* http, qse_htre_t* req)
@ -320,9 +322,9 @@ qse_printf (QSE_T("REQUEST ==> [%S] version[%d.%d] method[%d]\n"),
qse_htre_getminorversion(req),
qse_htre_getqmethod(req)
);
if (qse_htre_getqparamslen(req) > 0)
if (qse_htre_getqparamstrlen(req) > 0)
{
qse_printf (QSE_T("PARAMS ==> [%S]\n"), qse_htre_getqparamsptr(req));
qse_printf (QSE_T("PARAMS ==> [%S]\n"), qse_htre_getqparamstrptr(req));
}
qse_htb_walk (&http->re.hdrtab, walk, QSE_NULL);
@ -337,12 +339,30 @@ qse_printf (QSE_T("content = [%.*S]\n"),
if (method == QSE_HTTP_GET || method == QSE_HTTP_POST)
{
//qse_htre_decodereqpath (req, );
/* original path not available anymore */
int fd;
qse_mchar_t* paramstr;
qse_scanhttpparamstr (qse_htre_getqparamstrptr(req), capture_param, xxx);
qse_printf (QSE_T("BEGIN SCANNING PARAM STR\n"));
int fd = open (qse_htre_getqpathptr(req), O_RDONLY);
paramstr = qse_htre_getqparamstrptr(req); /* if it is null, ? wasn't even provided */
if (paramstr != QSE_NULL && qse_scanhttpparamstr (paramstr, capture_param, client) <= -1)
{
qse_printf (QSE_T("END SCANNING PARAM STR WITH ERROR\n"));
const char* msg = "<html><head><title>INTERNAL SERVER ERROR</title></head><body><b>INTERNAL SERVER ERROR</b></body></html>";
if (format_and_do (enqueue_format, client,
"HTTP/%d.%d 500 Internal Server Error\r\nContent-Length: %d\r\n\r\n%s\r\n\r\n",
req->version.major,
req->version.minor,
(int)strlen(msg) + 4, msg) <= -1)
{
qse_printf (QSE_T("failed to push action....\n"));
return -1;
}
}
qse_printf (QSE_T("END SCANNING PARAM STR WITH SUCCESS\n"));
fd = open (qse_htre_getqpathptr(req), O_RDONLY);
if (fd <= -1)
{
const char* msg = "<html><head><title>NOT FOUND</title></head><body><b>REQUESTD FILE NOT FOUND</b></body></html>";
@ -355,7 +375,6 @@ if (format_and_do (enqueue_format, client,
qse_printf (QSE_T("failed to push action....\n"));
return -1;
}
}
else
{
@ -752,6 +771,7 @@ qse_printf (QSE_T("send text dup failure... arrange to close this connection....
{
qse_printf (QSE_T("finished sending text dup...\n"));
dequeue_client_action_locked (client, NULL);
qse_printf (QSE_T("finished sending text dup dequed...\n"));
}
}