mirror of https://github.com/acanas/swad-core.git
Version 22.49.3: Oct 18, 2022 Code refactoring related to parameters.
This commit is contained in:
parent
2349e67e1b
commit
5ca28260fd
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@ -606,10 +606,11 @@ TODO: Fix bug: error al enviar un mensaje a dos recipientes, error on duplicate
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TODO: Attach pdf files in multimedia.
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*/
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#define Log_PLATFORM_VERSION "SWAD 22.49.2 (2022-10-18)"
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#define Log_PLATFORM_VERSION "SWAD 22.49.3 (2022-10-18)"
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#define CSS_FILE "swad22.49.css"
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#define JS_FILE "swad22.49.js"
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/*
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Version 22.49.3: Oct 18, 2022 Code refactoring related to parameters. (333213 lines)
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Version 22.49.2: Oct 18, 2022 Code refactoring related to forms. (333189 lines)
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Version 22.49.1: Oct 17, 2022 Fixed bug filtering projects. (333176 lines)
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Version 22.49: Oct 16, 2022 Changes in project review form. (333161 lines)
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30
swad_form.c
30
swad_form.c
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@ -51,10 +51,24 @@ static bool Frm_Inside = false;
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/**************************** Private prototypes *****************************/
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/*****************************************************************************/
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static inline void Frm_SetInside (bool Inside);
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static void Frm_BeginFormInternal (Act_Action_t NextAction,bool PutParameterLocationIfNoSesion,
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const char *Id,const char *Anchor,const char *OnSubmit);
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static inline void Frm_SetInside (bool Inside);
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/*****************************************************************************/
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/************** Set to true inside a form to avoid nested forms **************/
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/*****************************************************************************/
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static inline void Frm_SetInside (bool Inside)
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{
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Frm_Inside = Inside;
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}
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bool Frm_CheckIfInside (void)
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{
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return Frm_Inside;
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}
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/*****************************************************************************/
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/******************************** Begin a form *******************************/
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@ -307,17 +321,3 @@ void Frm_LabelColumn (const char *TDClass,const char *Id,const char *Label)
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/***** Column/cell end *****/
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HTM_TD_End ();
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}
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/*****************************************************************************/
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/************** Set to true inside a form to avoid nested forms **************/
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/*****************************************************************************/
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static inline void Frm_SetInside (bool Inside)
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{
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Frm_Inside = Inside;
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}
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bool Frm_CheckIfInside (void)
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{
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return Frm_Inside;
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}
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@ -46,6 +46,8 @@
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/***************************** Public prototypes *****************************/
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/*****************************************************************************/
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bool Frm_CheckIfInside (void);
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void Frm_BeginFormGoTo (Act_Action_t NextAction);
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void Frm_BeginForm (Act_Action_t NextAction);
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void Frm_BeginFormOnSubmit (Act_Action_t NextAction,const char *OnSubmit);
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@ -64,6 +66,4 @@ void Frm_FreeAnchorStr (char *Anchor);
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void Frm_LabelColumn (const char *TDClass,const char *Id,const char *Label);
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bool Frm_CheckIfInside (void);
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#endif
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@ -98,9 +98,6 @@ struct Globals
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bool GetMethod; // Am I accessing using GET method?
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} Params;
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Act_Content_t ContentReceivedByCGI; /* Content send by the form and received by the CGI:
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Act_CONTENT_NORM (if CONTENT_TYPE==text/plain) or
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Act_CONT_DATA (if CONTENT_TYPE==multipart/form-data) */
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struct
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{
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char StrWithoutCRLF[Par_MAX_BYTES_BOUNDARY_WITHOUT_CR_LF + 1];
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@ -53,10 +53,22 @@ extern struct Globals Gbl;
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const char *Par_SEPARATOR_PARAM_MULTIPLE = "\x0a"; // Must be 1 <= character <= 31
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/*****************************************************************************/
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/************************* Private global variables **************************/
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/*****************************************************************************/
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/* Content send by the form and received by the CGI:
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Act_CONTENT_NORM (if CONTENT_TYPE==text/plain)
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Act_CONT_DATA (if CONTENT_TYPE==multipart/form-data)
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*/
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static Act_Content_t Par_ContentReceivedByCGI = Act_CONT_NORM;
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/*****************************************************************************/
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/***************************** Private prototypes ****************************/
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/*****************************************************************************/
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static inline void Par_SetContentReceivedByCGI (Act_Content_t ContentReceivedByCGI);
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static void Par_GetBoundary (void);
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static void Par_CreateListOfParamsFromQueryString (void);
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@ -66,6 +78,20 @@ static int Par_ReadTmpFileUntilReturn (void);
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static bool Par_CheckIsParamCanBeUsedInGETMethod (const char *ParamName);
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/*****************************************************************************/
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/********************** Type of content received by CGI **********************/
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/*****************************************************************************/
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static inline void Par_SetContentReceivedByCGI (Act_Content_t ContentReceivedByCGI)
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{
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Par_ContentReceivedByCGI = ContentReceivedByCGI;
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}
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Act_Content_t Par_GetContentReceivedByCGI (void)
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{
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return Par_ContentReceivedByCGI;
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}
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/*****************************************************************************/
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/*** Read all parameters passed to this CGI and store for later processing ***/
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/*****************************************************************************/
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@ -86,7 +112,7 @@ bool Par_GetQueryString (void)
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{
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/***** GET method *****/
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Gbl.Params.GetMethod = true;
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Gbl.ContentReceivedByCGI = Act_CONT_NORM;
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Par_SetContentReceivedByCGI (Act_CONT_NORM);
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/* Get content length */
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Gbl.Params.ContentLength = strlen (getenv ("QUERY_STRING"));
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@ -124,7 +150,7 @@ bool Par_GetQueryString (void)
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if (!strncmp (ContentType,"multipart/form-data",strlen ("multipart/form-data")))
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{
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Gbl.ContentReceivedByCGI = Act_CONT_DATA;
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Par_SetContentReceivedByCGI (Act_CONT_DATA);
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Par_GetBoundary ();
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return Fil_ReadStdinIntoTmpFile ();
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}
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@ -134,7 +160,7 @@ bool Par_GetQueryString (void)
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}
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else
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{
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Gbl.ContentReceivedByCGI = Act_CONT_NORM;
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Par_SetContentReceivedByCGI (Act_CONT_NORM);
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/* Allocate memory for query string */
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if ((Gbl.Params.QueryString = malloc (Gbl.Params.ContentLength + 1)) == NULL)
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/***** Get list *****/
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if (Gbl.Params.ContentLength)
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CreateListOfParams[Gbl.ContentReceivedByCGI] ();
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CreateListOfParams[Par_GetContentReceivedByCGI ()] ();
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}
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/*****************************************************************************/
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@ -518,7 +544,7 @@ unsigned Par_GetParameter (tParamType ParamType,const char *ParamName,
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{
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// The current element in the list has the length of the searched parameter
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// Check if the name of the parameter is the same
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switch (Gbl.ContentReceivedByCGI)
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switch (Par_GetContentReceivedByCGI ())
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{
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case Act_CONT_NORM:
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ParamFound = !strncmp (ParamName,&Gbl.Params.QueryString[Param->Name.Start],
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@ -580,7 +606,7 @@ unsigned Par_GetParameter (tParamType ParamType,const char *ParamName,
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}
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/* Copy parameter value */
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switch (Gbl.ContentReceivedByCGI)
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switch (Par_GetContentReceivedByCGI ())
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{
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case Act_CONT_NORM:
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if (PtrDst)
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@ -63,6 +63,8 @@ typedef enum
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/***************************** Public prototypes *****************************/
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/*****************************************************************************/
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Act_Content_t Par_GetContentReceivedByCGI (void);
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bool Par_GetQueryString (void);
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void Par_CreateListOfParams (void);
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void Par_FreeParams (void);
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157
swad_string.c
157
swad_string.c
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@ -753,88 +753,93 @@ void Str_ChangeFormat (Str_ChangeFrom_t ChangeFrom,Str_ChangeTo_t ChangeTo,
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switch (ChangeFrom)
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{
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case Str_FROM_FORM:
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if (Gbl.ContentReceivedByCGI == Act_CONT_DATA)
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// The form contained data and was sent with content type multipart/form-data
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switch (Ch)
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{
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case 0x20: /* Space */
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case 0x22: /* Change double comilla --> """ */
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case 0x23: /* '#' */
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case 0x26: /* Change '&' --> "&" */
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case 0x27: /* Change single comilla --> "'" to avoid SQL code injection */
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case 0x2C: /* ',' */
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case 0x2F: /* '/' */
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case 0x3A: /* ':' */
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case 0x3B: /* ';' */
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case 0x3C: /* '<' --> "<" */
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case 0x3E: /* '>' --> ">" */
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case 0x3F: /* '?' */
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case 0x40: /* '@' */
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case 0x5C: /* '\\' */
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IsSpecialChar = true;
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LengthSpecStrSrc = 1;
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SpecialChar = (unsigned int) Ch;
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break;
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default:
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if (Ch < 0x20 || Ch > 0x7F)
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{
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switch (Par_GetContentReceivedByCGI ())
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{
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case Act_CONT_NORM:
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// The form contained text and was sent with content type application/x-www-form-urlencoded
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switch (Ch)
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{
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case '+': /* Change every '+' to a space */
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IsSpecialChar = true;
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LengthSpecStrSrc = 1;
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SpecialChar = 0x20;
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break;
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case '%': /* Change "%XX" --> "&#decimal_number;" (from 0 to 255) */
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/* Change "%uXXXX" --> "&#decimal number; (from 0 to 65535) */
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IsSpecialChar = true;
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if (*(PtrSrc + 1) == 'u')
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{
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sscanf (PtrSrc + 2,"%4X",&SpecialChar);
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LengthSpecStrSrc = 6;
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}
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else
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{
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sscanf (PtrSrc + 1,"%2X",&SpecialChar);
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LengthSpecStrSrc = 3;
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}
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/* Some special characters, like a chinese character,
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can be received from a form in a format like this:
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%26%2335753%3B --> %26 %23 3 5 7 5 3 %3B --> 让
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^ ^ ^
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SpecialChar SpecialChar SpecialChar
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Here one chinese character is converted
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to 2 special chars + 5 normal chars + 1 special char,
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and finally is stored as the following 8 bytes: 让
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*/
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break;
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case 0x27: /* Change single comilla --> "'" to avoid SQL code injection */
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case 0x5C: /* '\\' */
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IsSpecialChar = true;
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LengthSpecStrSrc = 1;
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SpecialChar = (unsigned int) Ch;
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}
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else
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{
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break;
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default:
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IsSpecialChar = false;
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NumPrintableCharsFromReturn++;
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ThereIsSpaceChar = false;
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}
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break;
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}
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else // Gbl.ContentReceivedByCGI == Act_CONTENT_NORM
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// The form contained text and was sent with content type application/x-www-form-urlencoded
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switch (Ch)
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{
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case '+': /* Change every '+' to a space */
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IsSpecialChar = true;
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LengthSpecStrSrc = 1;
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SpecialChar = 0x20;
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break;
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case '%': /* Change "%XX" --> "&#decimal_number;" (from 0 to 255) */
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/* Change "%uXXXX" --> "&#decimal number; (from 0 to 65535) */
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IsSpecialChar = true;
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if (*(PtrSrc + 1) == 'u')
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{
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sscanf (PtrSrc + 2,"%4X",&SpecialChar);
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LengthSpecStrSrc = 6;
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}
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else
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{
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sscanf (PtrSrc + 1,"%2X",&SpecialChar);
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LengthSpecStrSrc = 3;
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}
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/* Some special characters, like a chinese character,
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can be received from a form in a format like this:
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%26%2335753%3B --> %26 %23 3 5 7 5 3 %3B --> 让
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^ ^ ^
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SpecialChar SpecialChar SpecialChar
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Here one chinese character is converted
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to 2 special chars + 5 normal chars + 1 special char,
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and finally is stored as the following 8 bytes: 让
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*/
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break;
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case 0x27: /* Change single comilla --> "'" to avoid SQL code injection */
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case 0x5C: /* '\\' */
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IsSpecialChar = true;
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LengthSpecStrSrc = 1;
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SpecialChar = (unsigned int) Ch;
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break;
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default:
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IsSpecialChar = false;
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NumPrintableCharsFromReturn++;
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ThereIsSpaceChar = false;
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break;
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}
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break;
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}
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break;
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case Act_CONT_DATA:
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// The form contained data and was sent with content type multipart/form-data
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switch (Ch)
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{
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case 0x20: /* Space */
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case 0x22: /* Change double comilla --> """ */
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case 0x23: /* '#' */
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case 0x26: /* Change '&' --> "&" */
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case 0x27: /* Change single comilla --> "'" to avoid SQL code injection */
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case 0x2C: /* ',' */
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case 0x2F: /* '/' */
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case 0x3A: /* ':' */
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case 0x3B: /* ';' */
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case 0x3C: /* '<' --> "<" */
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case 0x3E: /* '>' --> ">" */
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case 0x3F: /* '?' */
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case 0x40: /* '@' */
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case 0x5C: /* '\\' */
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IsSpecialChar = true;
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LengthSpecStrSrc = 1;
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SpecialChar = (unsigned int) Ch;
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break;
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default:
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if (Ch < 0x20 || Ch > 0x7F)
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{
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IsSpecialChar = true;
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LengthSpecStrSrc = 1;
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SpecialChar = (unsigned int) Ch;
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}
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else
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{
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IsSpecialChar = false;
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NumPrintableCharsFromReturn++;
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ThereIsSpaceChar = false;
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}
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break;
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}
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break;
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}
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break;
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case Str_FROM_HTML:
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case Str_FROM_TEXT:
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