/*
- * $Id: paramhandling.c 6808 2008-12-11 00:00:36Z dothebart $
- *
* parse urlparts and post data
+ *
+ * Copyright (c) 1996-2019 by the citadel.org team
+ *
+ * This program is open source software. You can redistribute it and/or
+ * modify it under the terms of the GNU General Public License, version 3.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
*/
#include "webcit.h"
-#include "webserver.h"
+
+
+/* uncomment to see all parameters sent to the server by the browser. */
+/* #define DEBUG_URLSTRINGS */
+
void free_url(void *U)
{
urlcontent *u = (urlcontent*) U;
FreeStrBuf(&u->url_data);
+ if (u->sub != NULL) {
+ DeleteHash(&u->sub);
+ }
free(u);
}
+void PutSubstructUrlKey(HashList *list, urlcontent *u, char **keys, long *lengths, int max, int which){
+ void *vUrl;
+ urlcontent *subu;
+ HashList *thisList = list;
+ if (GetHash(list, keys[which], lengths[which], &vUrl) &&
+ (vUrl != NULL))
+ {
+ subu = (urlcontent*) vUrl;
+ if (subu->sub == NULL) {
+ subu->sub = NewHash(1, NULL);
+ }
+ thisList = subu->sub;
+ }
+ else if (which < max) {
+ subu = (urlcontent *) malloc(sizeof(urlcontent));
+
+ memcpy(subu->url_key, keys[which], lengths[which]);
+ subu->klen = lengths[which];
+ subu->url_data = NULL;
+ subu->sub = NewHash(1, NULL);
+
+ Put(list, subu->url_key, subu->klen, subu, free_url);
+ thisList = subu->sub;
+ }
+ if (which >= max) {
+ Put(thisList, keys[which], lengths[which], u, free_url);
+ }
+ else {
+ PutSubstructUrlKey(subu->sub, u, keys, lengths, max, which + 1);
+ }
+}
+
+void PutUrlKey(HashList *urlstrings, urlcontent *u, int have_colons) {
+ if (have_colons == 0) {
+ Put(urlstrings, u->url_key, u->klen, u, free_url);
+ }
+ else {
+ char *keys[10];
+ long lengths[10];
+ int i = 0;
+ char *pch;
+ char *pchs;
+ char *pche;
+
+ memset(&keys, 0, sizeof(keys));
+ memset(&lengths, 0, sizeof(lengths));
+ pchs = pch = u->url_key;
+ pche = u->url_key + u->klen;
+ while ((i < 10) && (pch <= pche)) {
+ if ((have_colons == 2) &&
+ (*pch == '%') &&
+ (*(pch + 1) == '3') &&
+ ((*(pch + 2) == 'A') ||
+ (*(pch + 1) == 'a')
+ ))
+ {
+ *pch = '\0';
+
+ if (i == 0) {
+ /* Separate the toplevel key : */
+ u->klen = pch - pchs;
+ }
+
+ /* sub-section: */
+ keys[i] = pchs;
+ lengths[i] = pch - pchs;
+
+ pch += 3;
+
+ pchs = pch;
+ i++;
+ }
+ else if ((have_colons == 1) &&
+ (*pch == ':')) {
+ *pch = '\0';
+ if (i == 0) {
+ /* Separate the toplevel key : */
+ u->klen = pch - pchs;
+ }
+ /* sub-section: */
+ keys[i] = pchs;
+ lengths[i] = pch - pchs;
+
+ pch++;
+ pchs = pch;
+ i++;
+ }
+ else if (pch == pche){
+ /* sub-section: */
+ keys[i] = pchs;
+ lengths[i] = pch - pchs;
+ i++;
+ break;
+ }
+ else {
+ pch ++;
+ }
+ }
+
+ PutSubstructUrlKey(urlstrings, u, keys, lengths, i - 1, 0);
+ }
+}
+
/*
* Extract variables from the URL.
*/
void ParseURLParams(StrBuf *url)
{
- const char *aptr, *bptr, *eptr, *up;
- int len, keylen;
- urlcontent *u;
+ const char *aptr, *bptr, *eptr, *up = NULL;
+ int len, keylen = 0;
+ urlcontent *u = NULL;
wcsession *WCC = WC;
- if (WCC->Hdr->urlstrings == NULL)
+ if (WCC->Hdr->urlstrings == NULL) {
WCC->Hdr->urlstrings = NewHash(1, NULL);
+ }
eptr = ChrPtr(url) + StrLength(url);
up = ChrPtr(url);
while ((up < eptr) && (!IsEmptyStr(up))) {
+ int have_colon = 0;
aptr = up;
- while ((aptr < eptr) && (*aptr != '\0') && (*aptr != '='))
+ while ((aptr < eptr) && (*aptr != '\0') && (*aptr != '=')) {
+ if (*aptr == ':') {
+ have_colon = 1;
+ }
+ else if ((*aptr == '%') &&
+ (*(aptr + 1) == '3') &&
+ ((*(aptr + 2) == 'A') ||
+ (*(aptr + 1) == 'a')
+ ))
+ {
+ have_colon = 2;
+ }
aptr++;
+ }
if (*aptr != '=') {
return;
}
bptr++;
}
keylen = aptr - up - 1; /* -1 -> '=' */
- if(keylen > sizeof(u->url_key)) {
- lprintf(1, "URLkey to long! [%s]", up);
- continue;
+ if (keylen > sizeof(u->url_key)) {
+ syslog(LOG_WARNING, "%s:%d: invalid url_key of size %d in string size %ld",
+ __FILE__, __LINE__, keylen, (long)sizeof(u->url_key)
+ );
+ free(u);
+ return;
}
+ if (keylen < 0) {
+ syslog(LOG_WARNING, "%s:%d: invalid url_key of size %d", __FILE__, __LINE__, keylen);
+ free(u);
+ return;
+ }
+
u = (urlcontent *) malloc(sizeof(urlcontent));
memcpy(u->url_key, up, keylen);
u->url_key[keylen] = '\0';
- if (keylen < 0) {
- lprintf(1, "URLkey to long! [%s]", up);
- free(u);
- continue;
+ u->klen = keylen;
+ u->sub = NULL;
+
+ if (strncmp(u->url_key, "__", 2) != 0)
+ {
+ len = bptr - aptr;
+ u->url_data = NewStrBufPlain(aptr, len);
+ StrBufUnescape(u->url_data, 1);
+#ifdef DEBUG_URLSTRINGS
+ syslog(LOG_DEBUG, "%s = [%d] %s\n",
+ u->url_key,
+ StrLength(u->url_data),
+ ChrPtr(u->url_data));
+#endif
+ PutUrlKey(WCC->Hdr->urlstrings, u, have_colon);
+ }
+ else {
+ len = bptr - aptr;
+ u->url_data = NewStrBufPlain(aptr, len);
+ StrBufUnescape(u->url_data, 1);
+ syslog(LOG_WARNING, "REJECTED because of __ is internal only: %s = [%d] %s\n",
+ u->url_key,
+ StrLength(u->url_data),
+ ChrPtr(u->url_data));
+
+ free_url(u);
}
-
- Put(WCC->Hdr->urlstrings, u->url_key, keylen, u, free_url);
- len = bptr - aptr;
- u->url_data = NewStrBufPlain(aptr, len);
- StrBufUnescape(u->url_data, 1);
-
up = bptr;
++up;
-#ifdef DEBUG_URLSTRINGS
- lprintf(9, "%s = [%ld] %s\n",
- u->url_key,
- StrLength(u->url_data),
- ChrPtr(u->url_data));
-#endif
}
}
Cursor = GetNewHashPos (WCC->Hdr->urlstrings, 0);
while (GetNextHashPos(WCC->Hdr->urlstrings, Cursor, &HKLen, &HKey, &U)) {
u = (urlcontent*) U;
- wprintf("%38s = %s\n", u->url_key, ChrPtr(u->url_data));
+ wc_printf("%38s = %s\n", u->url_key, ChrPtr(u->url_data));
}
}
return (0);
}
-long LBSTR(const char *key)
-{
- void *U;
-
- if ((WC->Hdr->urlstrings != NULL) &&
- GetHash(WC->Hdr->urlstrings, key, strlen(key), &U))
- return StrTol(((urlcontent *)U)->url_data);
- else
- return (0);
-}
-
int IBstr(const char *key, size_t keylen)
{
void *U;
return (0);
}
-int HAVEBSTR(const char *key)
+int YesBstr(const char *key, size_t keylen)
{
void *U;
if ((WC->Hdr->urlstrings != NULL) &&
- GetHash(WC->Hdr->urlstrings, key, strlen(key), &U))
- return (StrLength(((urlcontent *)U)->url_data) != 0);
+ GetHash(WC->Hdr->urlstrings, key, keylen, &U))
+ return strcmp( ChrPtr(((urlcontent *)U)->url_data), "yes") == 0;
else
return (0);
}
-
-int YesBstr(const char *key, size_t keylen)
+int YESBSTR(const char *key)
{
void *U;
if ((WC->Hdr->urlstrings != NULL) &&
- GetHash(WC->Hdr->urlstrings, key, keylen, &U))
+ GetHash(WC->Hdr->urlstrings, key, strlen(key), &U))
return strcmp( ChrPtr(((urlcontent *)U)->url_data), "yes") == 0;
else
return (0);
}
-int YESBSTR(const char *key)
+
+/*
+ * Return a sub array that was separated by a colon:
+ */
+HashList* getSubStruct(const char *key, size_t keylen)
{
void *U;
if ((WC->Hdr->urlstrings != NULL) &&
GetHash(WC->Hdr->urlstrings, key, strlen(key), &U))
- return strcmp( ChrPtr(((urlcontent *)U)->url_data), "yes") == 0;
+ return ((urlcontent *)U)->sub;
+ else
+ return NULL;
+}
+
+
+/*
+ * Return the value of a variable of a substruct provided by getSubStruct
+ */
+const char *XSubBstr(HashList *sub, const char *key, size_t keylen, size_t *len)
+{
+ void *U;
+
+ if ((sub != NULL) &&
+ GetHash(sub, key, keylen, &U)) {
+ *len = StrLength(((urlcontent *)U)->url_data);
+ return ChrPtr(((urlcontent *)U)->url_data);
+ }
+ else {
+ *len = 0;
+ return ("");
+ }
+}
+
+const char *SubBstr(HashList *sub, const char *key, size_t keylen)
+{
+ void *U;
+
+ if ((sub != NULL) &&
+ GetHash(sub, key, keylen, &U)) {
+ return ChrPtr(((urlcontent *)U)->url_data);
+ }
+ else
+ return ("");
+}
+
+const StrBuf *SSubBstr(HashList *sub, const char *key, size_t keylen)
+{
+ void *U;
+
+ if ((sub != NULL) &&
+ GetHash(sub, key, keylen, &U)) {
+ return ((urlcontent *)U)->url_data;
+ }
+ else
+ return NULL;
+}
+
+long LSubBstr(HashList *sub, const char *key, size_t keylen)
+{
+ void *U;
+
+ if ((sub != NULL) &&
+ GetHash(sub, key, keylen, &U)) {
+ return StrTol(((urlcontent *)U)->url_data);
+ }
else
return (0);
}
+int ISubBstr(HashList *sub, const char *key, size_t keylen)
+{
+ void *U;
+
+ if ((sub != NULL) &&
+ GetHash(sub, key, keylen, &U)) {
+ return StrTol(((urlcontent *)U)->url_data);
+ }
+ else
+ return (0);
+}
+
+int HaveSubBstr(HashList *sub, const char *key, size_t keylen)
+{
+ void *U;
+ if ((sub != NULL) &&
+ GetHash(sub, key, keylen, &U)) {
+ return (StrLength(((urlcontent *)U)->url_data) != 0);
+ }
+ else
+ return (0);
+}
+
+int YesSubBstr(HashList *sub, const char *key, size_t keylen)
+{
+ void *U;
+
+ if ((sub != NULL) &&
+ GetHash(sub, key, keylen, &U)) {
+ return strcmp( ChrPtr(((urlcontent *)U)->url_data), "yes") == 0;
+ }
+ else
+ return (0);
+}
/*
{
wcsession *WCC = WC;
urlcontent *u;
+ long keylen;
+
#ifdef DEBUG_URLSTRINGS
- lprintf(9, "upload_handler() name=%s, type=%s, len=%d\n", name, cbtype, length);
+ syslog(LOG_DEBUG, "upload_handler() name=%s, type=%s, len="SIZE_T_FMT, name, cbtype, length);
#endif
if (WCC->Hdr->urlstrings == NULL)
WCC->Hdr->urlstrings = NewHash(1, NULL);
if ( (length > 0) && (IsEmptyStr(cbtype)) ) {
u = (urlcontent *) malloc(sizeof(urlcontent));
- safestrncpy(u->url_key, name, sizeof(u->url_key));
+ keylen = safestrncpy(u->url_key, name, sizeof(u->url_key));
u->url_data = NewStrBufPlain(content, length);
+ u->klen = keylen;
+ u->sub = NULL;
- Put(WCC->Hdr->urlstrings, u->url_key, strlen(u->url_key), u, free_url);
+ if (strncmp(u->url_key, "__", 2) != 0)
+ {
+ PutUrlKey(WCC->Hdr->urlstrings, u, (strchr(u->url_key, ':') != NULL));
+ }
+ else {
+ syslog(LOG_INFO, "REJECTED because of __ is internal only: %s = [%d] %s\n",
+ u->url_key,
+ StrLength(u->url_data),
+ ChrPtr(u->url_data));
+
+ free_url(u);
+ }
#ifdef DEBUG_URLSTRINGS
- lprintf(9, "Key: <%s> len: [%ld] Data: <%s>\n",
+ syslog(LOG_DEBUG, "Key: <%s> len: [%d] Data: <%s>",
u->url_key,
StrLength(u->url_data),
ChrPtr(u->url_data));
#endif
}
- /** Uploaded files */
+ /* Uploaded files */
if ( (length > 0) && (!IsEmptyStr(cbtype)) ) {
WCC->upload = NewStrBufPlain(content, length);
WCC->upload_length = length;
- safestrncpy(WCC->upload_filename, filename,
- sizeof(WC->upload_filename));
- safestrncpy(WCC->upload_content_type, cbtype,
- sizeof(WC->upload_content_type));
+ WCC->upload_filename = NewStrBufPlain(filename, -1);
+ safestrncpy(WCC->upload_content_type, cbtype, sizeof(WC->upload_content_type));
+#ifdef DEBUG_URLSTRINGS
+ syslog(LOG_DEBUG, "File: <%s> len: [%ld]", filename, (long int)length);
+#endif
}
}
-
-
void PutBstr(const char *key, long keylen, StrBuf *Value)
{
urlcontent *u;
- if(keylen > sizeof(u->url_key)) {
- lprintf(1, "URLkey to long! [%s]", key);
+ if(keylen >= sizeof(u->url_key)) {
+ syslog(LOG_WARNING, "%s:%d: invalid url_key of size %ld", __FILE__, __LINE__, keylen);
FreeStrBuf(&Value);
return;
}
u = (urlcontent*)malloc(sizeof(urlcontent));
memcpy(u->url_key, key, keylen + 1);
+ u->klen = keylen;
u->url_data = Value;
+ u->sub = NULL;
Put(WC->Hdr->urlstrings, u->url_key, keylen, u, free_url);
}
+void PutlBstr(const char *key, long keylen, long Value)
+{
+ StrBuf *Buf;
+
+ Buf = NewStrBufPlain(NULL, sizeof(long) * 16);
+ StrBufPrintf(Buf, "%ld", Value);
+ PutBstr(key, keylen, Buf);
+}
if(TP->Tokens->nParameters == 3)
return HaveBstr(TKEY(2));
else {
- if (TP->Tokens->Params[3]->Type == TYPE_LONG)
- return LBstr(TKEY(2)) == TP->Tokens->Params[3]->lvalue;
- else
- return strcmp(Bstr(TKEY(2)),
- TP->Tokens->Params[3]->Start) == 0;
+ if (IS_NUMBER(TP->Tokens->Params[3]->Type))
+ {
+ return LBstr(TKEY(2)) ==
+ GetTemplateTokenNumber(Target,
+ TP,
+ 3,
+ 0);
+ }
+ else {
+ const char *pch;
+ long len;
+
+ GetTemplateTokenString (Target, TP, 3, &pch, &len);
+ return strcmp(Bstr(TKEY(2)), pch) == 0;
+ }
}
}
StrBufAppendTemplate(Target, TP, Buf, 1);
}
+
+void tmplput_bstrforward(StrBuf *Target, WCTemplputParams *TP)
+{
+ const StrBuf *Buf = SBstr(TKEY(0));
+ if (Buf != NULL) {
+ StrBufAppendBufPlain(Target, HKEY("?"), 0);
+ StrBufAppendBufPlain(Target, TKEY(0), 0);
+ StrBufAppendBufPlain(Target, HKEY("="), 0);
+ StrBufAppendTemplate(Target, TP, Buf, 1);
+ }
+}
+
void diagnostics(void)
{
output_headers(1, 1, 1, 0, 0, 0);
- wprintf("Session: %d<hr />\n", WC->wc_session);
- w
printf("Command: <br /><PRE>\n");
+ wc_printf("Session: %d<hr />\n", WC->wc_session);
+ w
c_printf("Command: <br><PRE>\n");
/*
-StrEscPuts(WC->UrlFragment1);
- wprintf("<br />\n");
- StrEscPuts(WC->UrlFragment2);
- wprintf("<br />\n");
- StrEscPuts(WC->UrlFragment3);
+StrEscAppend(WC->WBuf, NULL, WC->UrlFragment1, 0, 0);
+ wc_printf("<br>\n");
+StrEscAppend(WC->WBuf, NULL, WC->UrlFragment12 0, 0);
+ wc_printf("<br>\n");
+StrEscAppend(WC->WBuf, NULL, WC->UrlFragment3, 0, 0);
*/
- wprintf("</PRE><hr />\n");
- w
printf("Variables: <br /><PRE>\n");
+ wc_printf("</PRE><hr />\n");
+ w
c_printf("Variables: <br><PRE>\n");
dump_vars();
- wprintf("</PRE><hr />\n");
+ wc_printf("</PRE><hr />\n");
wDumpContent(1);
}
wcsession *WCC = WC;
if (WCC != NULL) {
- if (TP->Tokens->Params[0]->lvalue == 0) {
+ long n;
+
+ n = GetTemplateTokenNumber(Target, TP, 0, 0);
+ if (n == 0) {
if (WCC->Hdr->HR.Handler != NULL)
UrlBuf = Name = WCC->Hdr->HR.Handler->Name;
}
- else if (TP->Tokens->Params[0]->lvalue == 1) {
+ else if (n == 1) {
UrlBuf = NewStrBuf();
StrBufExtract_token(UrlBuf, WCC->Hdr->HR.ReqLine, 0, '/');
}
}
}
+typedef struct __BstrPair {
+ StrBuf *x;
+ StrBuf *y;
+}BstrPair;
+CtxType CTX_BSTRPAIRS = CTX_NONE;
+void HFreeBstrPair(void *pv)
+{
+ BstrPair *p = (BstrPair*) pv;
+ FreeStrBuf(&p->x);
+ FreeStrBuf(&p->y);
+ free(pv);
+}
+
+HashList *iterate_GetBstrPairs(StrBuf *Target, WCTemplputParams *TP)
+{
+ StrBuf *X, *Y;
+ const char *ch = NULL;
+ long len;
+ const StrBuf *TheBStr;
+ BstrPair *OnePair;
+ HashList *List;
+ const char *Pos = NULL;
+ int i = 0;
+
+ if (HaveTemplateTokenString(NULL, TP, 2, &ch, &len))
+ {
+ GetTemplateTokenString(Target, TP, 2, &ch, &len);
+ }
+ else
+ {
+ return NULL;
+ }
+
+ TheBStr = SBstr(ch, len);
+ if ((TheBStr == NULL) || (StrLength(TheBStr) == 0))
+ return NULL;
+ List = NewHash(1, NULL);
+ while (Pos != StrBufNOTNULL)
+ {
+ X = NewStrBufPlain(NULL, StrLength(TheBStr));
+ StrBufExtract_NextToken(X, TheBStr, &Pos, '|');
+ if (Pos == StrBufNOTNULL) {
+ FreeStrBuf(&X);
+ DeleteHash(&List);
+ return NULL;
+ }
+ Y = NewStrBufPlain(NULL, StrLength(TheBStr));
+ StrBufExtract_NextToken(Y, TheBStr, &Pos, '|');
+ OnePair = (BstrPair*)malloc(sizeof(BstrPair));
+ OnePair->x = X;
+ OnePair->y = Y;
+ Put(List, IKEY(i), OnePair, HFreeBstrPair);
+ i++;
+ }
+ return List;
+}
+
+
+void tmplput_bstr_pair(StrBuf *Target, WCTemplputParams *TP, int XY)
+{
+ BstrPair *Pair = (BstrPair*) CTX(CTX_BSTRPAIRS);
+
+ StrBufAppendTemplate(Target, TP, (XY)?Pair->y:Pair->x, 0);
+}
+
+void tmplput_bstr_pair_x(StrBuf *Target, WCTemplputParams *TP)
+{ tmplput_bstr_pair(Target, TP, 0); }
+void tmplput_bstr_pair_y(StrBuf *Target, WCTemplputParams *TP)
+{ tmplput_bstr_pair(Target, TP, 1); }
void
InitModule_PARAMHANDLING
(void)
{
+ RegisterCTX(CTX_BSTRPAIRS);
WebcitAddUrlHandler(HKEY("diagnostics"), "", 0, diagnostics, NEED_URL);
- RegisterConditional(HKEY("COND:BSTR"), 1, ConditionalBstr, CTX_NONE);
+ RegisterIterator("ITERATE:BSTR:PAIR", 1, NULL, iterate_GetBstrPairs, NULL, DeleteHash, CTX_BSTRPAIRS, CTX_NONE, IT_NOFLAG);
+ RegisterNamespace("BSTR:PAIR:X", 1, 2, tmplput_bstr_pair_x, NULL, CTX_BSTRPAIRS);
+ RegisterNamespace("BSTR:PAIR:Y", 1, 2, tmplput_bstr_pair_y, NULL, CTX_BSTRPAIRS);
+
+ RegisterConditional("COND:BSTR", 1, ConditionalBstr, CTX_NONE);
RegisterNamespace("BSTR", 1, 2, tmplput_bstr, NULL, CTX_NONE);
+ RegisterNamespace("BSTR:FORWARD", 1, 2, tmplput_bstrforward, NULL, CTX_NONE);
RegisterNamespace("URLPART", 1, 2, tmplput_url_part, NULL, CTX_NONE);
}
(wcsession *sess)
{
DeleteHash(&sess->Hdr->urlstrings);
+ FreeStrBuf(&sess->upload_filename);
}
projects / citadel.git / blobdiff