lib/cheapcgi.c File Reference

#include "common.h"
#include "hash.h"
#include "cheapcgi.h"
#include "portable.h"
#include "linefile.h"
#include "errabort.h"
#include "mime.h"

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Defines
#define	memmem(hay, haySize, needle, needleSize)   memMatch(needle, needleSize, hay, haySize)
Functions
void	dumpCookieList ()
void	useTempFile ()
boolean	cgiIsOnWeb ()
char *	cgiScriptName ()
char *	cgiServerName ()
char *	_cgiRawInput ()
static void	getQueryInput ()
static void	getPostInput ()
static void	cgiParseMultipart (struct hash **retHash, struct cgiVar **retList)
static void	parseCookies (struct hash **retHash, struct cgiVar **retList)
char *	findCookieData (char *varName)
static char *	cgiInputSource (char *s)
static void	_cgiFindInput (char *method)
static void	cgiParseInputAbort (char *input, struct hash **retHash, struct cgiVar **retList)
static void	cgiParseAbort ()
boolean	cgiParseInput (char *input, struct hash **retHash, struct cgiVar **retList)
static void	initCgiInput ()
cgiVar *	cgiVarList ()
static char *	findVarData (char *varName)
void	cgiBadVar (char *varName)
static char *	mustFindVarData (char *varName)
void	cgiDecode (char *in, char *out, int inLength)
char *	cgiEncode (char *inString)
char *	cgiEncodeFull (char *inString)
char *	cgiOptionalString (char *varName)
char *	cgiString (char *varName)
char *	cgiUsualString (char *varName, char *usual)
slName *	cgiStringList (char *varName)
int	cgiInt (char *varName)
int	cgiIntExp (char *varName)
int	cgiOptionalInt (char *varName, int defaultVal)
double	cgiDouble (char *varName)
double	cgiOptionalDouble (char *varName, double defaultVal)
boolean	cgiVarExists (char *varName)
boolean	cgiBoolean (char *varName)
int	cgiOneChoice (char *varName, struct cgiChoice *choices, int choiceSize)
void	cgiMakeSubmitButton ()
void	cgiMakeResetButton ()
void	cgiMakeClearButton (char *form, char *field)
void	cgiMakeButtonWithMsg (char *name, char *value, char *msg)
void	cgiMakeButton (char *name, char *value)
void	cgiMakeOnClickButton (char *command, char *value)
void	cgiMakeOptionalButton (char *name, char *value, boolean disabled)
void	cgiMakeFileEntry (char *name)
void	cgiSimpleTableStart ()
void	cgiTableEnd ()
void	cgiSimpleTableRowStart ()
void	cgiTableRowEnd ()
void	cgiSimpleTableFieldStart ()
void	cgiTableFieldEnd ()
void	cgiTableField (char *text)
void	cgiTableFieldWithMsg (char *text, char *msg)
void	cgiParagraph (char *text)
void	cgiMakeRadioButton (char *name, char *value, boolean checked)
void	cgiMakeOnClickRadioButton (char *name, char *value, boolean checked, char *command)
char *	cgiBooleanShadowPrefix ()
boolean	cgiBooleanDefined (char *name)
void	cgiMakeCheckBoxWithMsg (char *name, boolean checked, char *msg)
void	cgiMakeCheckBox (char *name, boolean checked)
void	cgiMakeHiddenBoolean (char *name, boolean on)
void	cgiMakeTextArea (char *varName, char *initialVal, int rowCount, int columnCount)
void	cgiMakeTextAreaDisableable (char *varName, char *initialVal, int rowCount, int columnCount, boolean disabled)
void	cgiMakeTextVar (char *varName, char *initialVal, int charSize)
void	cgiMakeIntVar (char *varName, int initialVal, int maxDigits)
void	cgiMakeDoubleVar (char *varName, double initialVal, int maxDigits)
void	cgiMakeDropList (char *name, char *menu[], int menuSize, char *checked)
void	cgiMakeDropListClass (char *name, char *menu[], int menuSize, char *checked, char *class)
void	cgiMakeMultList (char *name, char *menu[], int menuSize, char *checked, int length)
void	cgiMakeDropListFull (char *name, char *menu[], char *values[], int menuSize, char *checked, char *extraAttribs)
void	cgiMakeDropListWithVals (char *name, char *menu[], char *values[], int menuSize, char *checked)
void	cgiMakeHiddenVar (char *varName, char *string)
void	cgiContinueHiddenVar (char *varName)
void	cgiVarExclude (char *varName)
void	cgiVarExcludeExcept (char **varNames)
void	cgiVarSet (char *varName, char *val)
dyString *	cgiUrlString ()
void	cgiContinueAllVars ()
boolean	cgiFromCommandLine (int *pArgc, char *argv[], boolean preferWeb)
boolean	cgiSpoof (int *pArgc, char *argv[])
boolean	cgiFromFile (char *fileName)
Variables
static char const	rcsid [] = "$Id: cheapcgi.c,v 1.85 2006/12/19 18:49:52 kent Exp $"
static char *	inputString = NULL
static unsigned long	inputSize
static struct hash *	inputHash = NULL
static struct cgiVar *	inputList = NULL
static boolean	haveCookiesHash = FALSE
static struct hash *	cookieHash = NULL
static struct cgiVar *	cookieList = NULL
static boolean	doUseTempFile = FALSE
static jmp_buf	cgiParseRecover

---

Define Documentation

#define memmem	(	hay,
		haySize,
		needle,
		needleSize		)	memMatch(needle, needleSize, hay, haySize)

Definition at line 107 of file cheapcgi.c.

---

Function Documentation

static void _cgiFindInput

(

char *

method

)

[static]

Definition at line 340 of file cheapcgi.c.

References cgiInputSource(), errAbort(), getPostInput(), getQueryInput(), inputString, and sameWord.

Referenced by initCgiInput().

{
if (inputString == NULL)
    {
    method = cgiInputSource(method);
    if (sameWord(method, "POST"))
        getPostInput();
    else if (sameWord(method, "QUERY") || sameWord(method, "GET"))
        getQueryInput();
    else
        errAbort("Unknown form method");
    }
}

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char* _cgiRawInput

(

)

Definition at line 62 of file cheapcgi.c.

References inputString.

{
return inputString;
}

void cgiBadVar

(

char *

varName

)

Definition at line 477 of file cheapcgi.c.

References errAbort().

Referenced by htmlBadVar(), and mustFindVarData().

{
if (varName == NULL) varName = "";
errAbort("Sorry, didn't find input variable %s\n"
        "Probably the web page didn't mean to call this program.", 
        varName);
}

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boolean cgiBoolean

(

char *

varName

)

Definition at line 716 of file cheapcgi.c.

References cgiVarExists().

{
return cgiVarExists(varName);
}

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boolean cgiBooleanDefined

(

char *

name

)

Definition at line 880 of file cheapcgi.c.

References cgiBooleanShadowPrefix(), cgiVarExists(), and safef().

{
char buf[256];
safef(buf, sizeof(buf), "%s%s", cgiBooleanShadowPrefix(), name);
return cgiVarExists(buf);
}

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char* cgiBooleanShadowPrefix

(

)

Definition at line 874 of file cheapcgi.c.

Referenced by cgiBooleanDefined(), cgiMakeCheckBoxWithMsg(), and cgiMakeHiddenBoolean().

{
return "boolshad.";
}

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void cgiContinueAllVars

(

)

Definition at line 1146 of file cheapcgi.c.

References cgiMakeHiddenVar(), inputList, cgiVar::name, cgiVar::next, and cgiVar::val.

{
struct cgiVar *cv;
for (cv = inputList; cv != NULL; cv = cv->next)
    cgiMakeHiddenVar(cv->name, cv->val);
}

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void cgiContinueHiddenVar

(

char *

varName

)

Definition at line 1070 of file cheapcgi.c.

References cgiMakeHiddenVar(), cgiString(), and cgiVarExists().

{
if (cgiVarExists(varName))
    cgiMakeHiddenVar(varName, cgiString(varName));
}

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void cgiDecode	(	char *	in,
		char *	out,
		int	inLength
	)

Definition at line 495 of file cheapcgi.c.

Referenced by cgiParseInputAbort(), and parseCookies().

{
char c;
int i;
for (i=0; i<inLength;++i)
    {
    c = *in++;
    if (c == '+') 
        *out++ = ' ';
    else if (c == '%')
        {
        int code;
        if (sscanf(in, "%2x", &code) != 1) 
            code = '?';
        in += 2;
        i += 2;
        *out++ = code;
        }
    else
        *out++ = c;
    }
*out++ = 0;
}

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double cgiDouble

(

char *

varName

)

Definition at line 689 of file cheapcgi.c.

References errAbort(), and mustFindVarData().

Referenced by cgiOptionalDouble().

{
char *data;
double x;

data = mustFindVarData(varName);
if (sscanf(data, "%lf", &x)<1) 
     errAbort("Expecting real number in %s, got \"%s\"\n", varName, data);
return x;
}

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char* cgiEncode

(

char *

inString

)

Definition at line 522 of file cheapcgi.c.

References cloneString(), needMem(), and safef().

Referenced by appendCgiVar(), cgiUrlString(), and htmlSetCookie().

{
char c;
int outSize = 0;
char *outString, *out, *in;

if (inString == NULL)
    return(cloneString(""));

/* Count up how long it will be */
in = inString;
while ((c = *in++) != 0)
    {
    if (isalnum(c) || c == ' ' || c == '.' || c == '_')
        outSize += 1;
    else
        outSize += 3;
    }
outString = needMem(outSize+1);

/* Encode string */
in = inString;
out = outString;
while ((c = *in++) != 0)
    {
    if (isalnum(c) || c == '.' || c == '_')
        *out++ = c;
    else if (c == ' ')
        *out++ = '+';
    else
        {
        unsigned char uc = c;
        char buf[4];
        *out++ = '%';
        safef(buf, sizeof(buf), "%02X", uc);
        *out++ = buf[0];
        *out++ = buf[1];
        }
    }
*out++ = 0;
return outString;
}

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char* cgiEncodeFull

(

char *

inString

)

Definition at line 568 of file cheapcgi.c.

References cloneString(), needMem(), and safef().

{
char c;
int outSize = 0;
char *outString, *out, *in;

if (inString == NULL)
    return(cloneString(""));

/* Count up how long it will be */
in = inString;
while ((c = *in++) != 0)
    {
    if (isalnum(c) || c == '.' || c == '_')
        outSize += 1;
    else
        outSize += 3;
    }
outString = needMem(outSize+1);

/* Encode string */
in = inString;
out = outString;
while ((c = *in++) != 0)
    {
    if (isalnum(c) || c == '.' || c == '_')
        *out++ = c;
    else
        {
        unsigned char uc = c;
        char buf[4];
        *out++ = '%';
        safef(buf, sizeof(buf), "%02X", uc);
        *out++ = buf[0];
        *out++ = buf[1];
        }
    }
*out++ = 0;
return outString;
}

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boolean cgiFromCommandLine	(	int *	pArgc,
		char *	argv[],
		boolean	preferWeb
	)

Definition at line 1155 of file cheapcgi.c.

References cgiIsOnWeb(), FALSE, initCgiInput(), name, safef(), and TRUE.

Referenced by cgiSpoof().

       :
 *        cgiScript nonCgiArg1 var1=value1 var2=value2 var3=value3 nonCgiArg2
 * or like
 *        cgiScript nonCgiArg1 var1=value1&var2=value2&var3=value3 nonCgiArg2
 * or even like
 *        cgiScript nonCgiArg1 -x -y=bogus z=really
 * (The non-cgi arguments can occur anywhere.  The cgi arguments (all containing
 * the character '=' or starting with '-') are erased from argc/argv.  Normally 
 * you call this cgiSpoof(&argc, argv);
 */
{
int argc = *pArgc;
int i;
int argcLeft = argc;
char *name;
static char queryString[4096];
char *q = queryString;
boolean needAnd = TRUE;
boolean gotAny = FALSE;
boolean startDash;
boolean gotEq;
static char hostLine[512];

if (preferWeb && cgiIsOnWeb())
    return TRUE;        /* No spoofing required! */
q += safef(q, queryString + sizeof(queryString) - q,
           "%s", "QUERY_STRING=cgiSpoof=on");
for (i=0; i<argcLeft; )
    {
    name = argv[i];
    if ((startDash = (name[0] == '-')))
       ++name;
    gotEq = (strchr(name, '=') != NULL);
    if (gotEq || startDash)
        {
        if (needAnd)
            *q++ = '&';
        q += safef(q, queryString + sizeof(queryString) - q, "%s", name);
        if (!gotEq || strchr(name, '&') == NULL)
            needAnd = TRUE;
        if (!gotEq)
            q += safef(q, queryString + sizeof(queryString) - q, "=on");
        memcpy(&argv[i], &argv[i+1], sizeof(argv[i]) * (argcLeft-i-1));
        argcLeft -= 1;
        gotAny = TRUE;
        }
    else
        i++;
    }
if (gotAny)
    {
    *pArgc = argcLeft;
    }
putenv("REQUEST_METHOD=GET");
putenv(queryString);
safef(hostLine, sizeof(hostLine), "SERVER_NAME=%s", getenv("HOST"));
putenv(hostLine);
initCgiInput();
return gotAny;
}

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boolean cgiFromFile

(

char *

fileName

)

Definition at line 1227 of file cheapcgi.c.

References AllocArray, cgiSpoof(), cloneString(), ExpandArray, FALSE, freez(), lineFileClose(), lineFileNext(), lineFileOpen(), sameString, and TRUE.

01229                                         :
01230  *       argument1=someVal
01231  *       # This is a comment
01232  *       argument2=someOtherVal
01233  *       ...
01234  * and puts them into the cgi environment so that the usual
01235  * cgiGetVar() commands can be used. Useful when a program 
01236  * has a lot of possible parameters.
01237  */
01238 {
01239 char **argv = NULL;
01240 int argc = 0; 
01241 int maxArgc = 10;
01242 int i;
01243 struct lineFile *lf = lineFileOpen(fileName, TRUE);
01244 char *line;
01245 boolean spoof= FALSE;
01246 AllocArray(argv, maxArgc);
01247 /* Remember that first arg is program name.
01248    Put filename there instead. */
01249 argc = 1; 
01250 argv[0] = cloneString(fileName);
01251 for(;;)
01252     {
01253     /* If we are at the end we're done. */
01254     if(!lineFileNext(lf, &line, NULL))
01255         break;
01256     /* If it is a comment or blank line skip it. */
01257     if (line[0] == '#' || sameString(line, ""))
01258         continue;
01259     /* If our argv array is full expand it. */
01260     if((argc+1) >= maxArgc)
01261         {
01262         ExpandArray(argv, maxArgc, 2*maxArgc);
01263         maxArgc *= 2;
01264         }
01265     /* Fill in another argument to our psuedo arguments. */
01266     argv[argc++] = cloneString(line);
01267     }
01268 spoof = cgiSpoof(&argc, argv);
01269 /* Cleanup. */
01270 lineFileClose(&lf);
01271 for(i=0; i<argc; i++)
01272     freez(&argv[i]);
01273 freez(&argv);
01274 return spoof;
01275 }
}

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static char* cgiInputSource

(

char *

s

)

[static]

Definition at line 322 of file cheapcgi.c.

Referenced by _cgiFindInput().

{
char *qs;
if (s != NULL)
    return s;
qs = getenv("QUERY_STRING");
if (qs == NULL)
    return "POST";
if (qs[0] == 0)
    {
    char *cl = getenv("CONTENT_LENGTH");
    if (cl != NULL && atoi(cl) > 0)
        return "POST";
    }
return "QUERY";
}

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int cgiInt

(

char *

varName

)

Definition at line 657 of file cheapcgi.c.

References errAbort(), mustFindVarData(), and skipLeadingSpaces().

Referenced by cgiOptionalInt(), and doDetailLine().

{
char *data;
char c;

data = mustFindVarData(varName);
data = skipLeadingSpaces(data);
c = data[0];
if (!(isdigit(c) || (c == '-' && isdigit(data[1]))))
     errAbort("Expecting number in %s, got \"%s\"\n", varName, data);
return atoi(data);
}

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int cgiIntExp

(

char *

varName

)

Definition at line 671 of file cheapcgi.c.

References cgiString(), and intExp().

{
return intExp(cgiString(varName));
}

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boolean cgiIsOnWeb

(

)

Definition at line 44 of file cheapcgi.c.

Referenced by cgiFromCommandLine(), and main().

{
return getenv("REQUEST_METHOD") != NULL;
}

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void cgiMakeButton	(	char *	name,
		char *	value
	)

Definition at line 770 of file cheapcgi.c.

References cgiMakeButtonWithMsg().

Referenced by cgiMakeSubmitButton(), and doGetSeq().

{
cgiMakeButtonWithMsg(name, value, NULL);
}

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void cgiMakeButtonWithMsg	(	char *	name,
		char *	value,
		char *	msg
	)

Definition at line 762 of file cheapcgi.c.

Referenced by cgiMakeButton().

{
printf("<INPUT TYPE=SUBMIT NAME=\"%s\" VALUE=\"%s\" %s%s%s>", 
        name, value, 
        (msg ? " TITLE=\"" : ""), (msg ? msg : ""), (msg ? "\"" : "" ));
}

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void cgiMakeCheckBox	(	char *	name,
		boolean	checked
	)

Definition at line 903 of file cheapcgi.c.

References cgiMakeCheckBoxWithMsg().

{
cgiMakeCheckBoxWithMsg(name, checked, NULL);
}

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void cgiMakeCheckBoxWithMsg	(	char *	name,
		boolean	checked,
		char *	msg
	)

Definition at line 889 of file cheapcgi.c.

References cgiBooleanShadowPrefix(), cgiMakeHiddenVar(), and safef().

Referenced by cgiMakeCheckBox().

{
char buf[256];

printf("<INPUT TYPE=CHECKBOX NAME=\"%s\" VALUE=on %s%s%s %s>", name,
    (msg ? " TITLE=\"" : ""), (msg ? msg : ""), (msg ? "\"" : "" ), 
    (checked ? " CHECKED" : ""));
safef(buf, sizeof(buf), "%s%s", cgiBooleanShadowPrefix(), name);
cgiMakeHiddenVar(buf, "1");
}

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void cgiMakeClearButton	(	char *	form,
		char *	field
	)

Definition at line 752 of file cheapcgi.c.

References cgiMakeOnClickButton(), and safef().

{
char javascript[1024];

safef(javascript, sizeof(javascript), 
    "document.%s.%s.value = ''; document.%s.submit();", form, field, form);
cgiMakeOnClickButton(javascript, " Clear  ");
}

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void cgiMakeDoubleVar	(	char *	varName,
		double	initialVal,
		int	maxDigits
	)

Definition at line 957 of file cheapcgi.c.

{
if (maxDigits == 0) maxDigits = 4;

printf("<INPUT TYPE=TEXT NAME=\"%s\" SIZE=%d VALUE=%g>", varName, 
        maxDigits, initialVal);
}

void cgiMakeDropList	(	char *	name,
		char *	menu[],
		int	menuSize,
		char *	checked
	)

Definition at line 968 of file cheapcgi.c.

References cgiMakeDropListClass().

Referenced by doGetSeq().

{
    cgiMakeDropListClass(name, menu, menuSize, checked, "normalText");
}

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void cgiMakeDropListClass	(	char *	name,
		char *	menu[],
		int	menuSize,
		char *	checked,
		char *	class
	)

Definition at line 976 of file cheapcgi.c.

References sameWord.

Referenced by cgiMakeDropList().

{
int i;
char *selString;
if (checked == NULL) checked = menu[0];
printf("<SELECT NAME=\"%s\" class=%s>\n", name, class);
for (i=0; i<menuSize; ++i)
    {
    if (sameWord(menu[i], checked))
        selString = " SELECTED";
    else
        selString = "";
    printf("<OPTION%s>%s</OPTION>\n", selString, menu[i]);
    }
printf("</SELECT>\n");
}

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void cgiMakeDropListFull	(	char *	name,
		char *	menu[],
		char *	values[],
		int	menuSize,
		char *	checked,
		char *	extraAttribs
	)

Definition at line 1015 of file cheapcgi.c.

References sameWord.

{
int i;
char *selString;
if (checked == NULL) checked = menu[0];

if (NULL != extraAttribs)
    {
    printf("<SELECT NAME=\"%s\" %s>\n", name, extraAttribs);
    }
else
    {
    printf("<SELECT NAME=\"%s\">\n", name);
    }

for (i=0; i<menuSize; ++i)
    {
    if (sameWord(values[i], checked))
        selString = " SELECTED";
    else
        selString = "";
    printf("<OPTION%s VALUE=\"%s\">%s</OPTION>\n", selString, values[i], menu[i]);
    }
printf("</SELECT>\n");
}

void cgiMakeDropListWithVals	(	char *	name,
		char *	menu[],
		char *	values[],
		int	menuSize,
		char *	checked
	)

Definition at line 1043 of file cheapcgi.c.

References sameWord.

{
int i;
char *selString;
if (checked == NULL) checked = values[0];

printf("<SELECT NAME=\"%s\">\n", name);
for (i=0; i<menuSize; ++i)
    {
    if (sameWord(values[i], checked))
        selString = " SELECTED";
    else
        selString = "";
    printf("<OPTION%s VALUE=\"%s\">%s</OPTION>\n", selString, values[i], menu[i]);
    }
printf("</SELECT>\n");
}

void cgiMakeFileEntry

(

char *

name

)

Definition at line 791 of file cheapcgi.c.

{
    printf("<INPUT TYPE=FILE NAME=\"%s\">", name);
}

void cgiMakeHiddenBoolean	(	char *	name,
		boolean	on
	)

Definition at line 909 of file cheapcgi.c.

References cgiBooleanShadowPrefix(), cgiMakeHiddenVar(), and safef().

{
char buf[256];
cgiMakeHiddenVar(name, on ? "on" : "off");
safef(buf, sizeof(buf), "%s%s", cgiBooleanShadowPrefix(), name);
cgiMakeHiddenVar(buf, "1");
}

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void cgiMakeHiddenVar	(	char *	varName,
		char *	string
	)

Definition at line 1064 of file cheapcgi.c.

Referenced by cgiContinueAllVars(), cgiContinueHiddenVar(), cgiMakeCheckBoxWithMsg(), and cgiMakeHiddenBoolean().

{
printf("<INPUT TYPE=HIDDEN NAME=\"%s\" VALUE=\"%s\">", varName, string);
}

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void cgiMakeIntVar	(	char *	varName,
		int	initialVal,
		int	maxDigits
	)

Definition at line 948 of file cheapcgi.c.

{
if (maxDigits == 0) maxDigits = 4;

printf("<INPUT TYPE=TEXT NAME=\"%s\" SIZE=%d VALUE=%d>", varName, 
        maxDigits, initialVal);
}

void cgiMakeMultList	(	char *	name,
		char *	menu[],
		int	menuSize,
		char *	checked,
		int	length
	)

Definition at line 995 of file cheapcgi.c.

References sameWord.

{
int i;
char *selString;
if (checked == NULL) checked = menu[0];
printf("<SELECT MULTIPLE SIZE=%d ALIGN=CENTER NAME=\"%s\">\n", length, name);
for (i=0; i<menuSize; ++i)
    {
    if (sameWord(menu[i], checked))
        selString = " SELECTED";
    else
        selString = "";
    printf("<OPTION%s>%s</OPTION>\n", selString, menu[i]);
    }
printf("</SELECT>\n");
}

void cgiMakeOnClickButton	(	char *	command,
		char *	value
	)

Definition at line 776 of file cheapcgi.c.

Referenced by cgiMakeClearButton().

{
printf("<INPUT TYPE=\"button\" VALUE=\"%s\" onClick=\"%s\">", value, command);
}

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void cgiMakeOnClickRadioButton	(	char *	name,
		char *	value,
		boolean	checked,
		char *	command
	)

Definition at line 863 of file cheapcgi.c.

{
printf("<INPUT TYPE=RADIO NAME=\"%s\" VALUE=\"%s\" %s %s>",
        name, value, command, (checked ? "CHECKED" : ""));
}

void cgiMakeOptionalButton	(	char *	name,
		char *	value,
		boolean	disabled
	)

Definition at line 782 of file cheapcgi.c.

{
printf("<INPUT TYPE=SUBMIT NAME=\"%s\" VALUE=\"%s\"", name, value);
if (disabled)
    printf(" DISABLED");
printf(">"); 
}

void cgiMakeRadioButton	(	char *	name,
		char *	value,
		boolean	checked
	)

Definition at line 854 of file cheapcgi.c.

{
printf("<INPUT TYPE=RADIO NAME=\"%s\" VALUE=\"%s\" %s>", name, value,
   (checked ? "CHECKED" : ""));
}

void cgiMakeResetButton

(

)

Definition at line 746 of file cheapcgi.c.

{
printf("<INPUT TYPE=RESET NAME=\"Reset\" VALUE=\" Reset \">");
}

void cgiMakeSubmitButton

(

)

Definition at line 740 of file cheapcgi.c.

References cgiMakeButton().

{
cgiMakeButton("Submit", "Submit");
}

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void cgiMakeTextArea	(	char *	varName,
		char *	initialVal,
		int	rowCount,
		int	columnCount
	)

Definition at line 920 of file cheapcgi.c.

References cgiMakeTextAreaDisableable(), and FALSE.

Referenced by doGetSeq().

                                                                  : intialVal */
{
cgiMakeTextAreaDisableable(varName, initialVal, rowCount, columnCount, FALSE);
}

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void cgiMakeTextAreaDisableable	(	char *	varName,
		char *	initialVal,
		int	rowCount,
		int	columnCount,
		boolean	disabled
	)

Definition at line 926 of file cheapcgi.c.

Referenced by cgiMakeTextArea().

                            : intialVal */
{
printf("<TEXTAREA NAME=\"%s\" ROWS=%d COLS=%d %s>%s</TEXTAREA>", varName,
       rowCount, columnCount, disabled ? "DISABLED" : "",
       (initialVal != NULL ? initialVal : ""));
}

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void cgiMakeTextVar	(	char *	varName,
		char *	initialVal,
		int	charSize
	)

Definition at line 935 of file cheapcgi.c.

{
if (initialVal == NULL)
    initialVal = "";
if (charSize == 0) charSize = strlen(initialVal);
if (charSize == 0) charSize = 8;

printf("<INPUT TYPE=TEXT NAME=\"%s\" SIZE=%d VALUE=\"%s\">", varName, 
        charSize, initialVal);
}

int cgiOneChoice	(	char *	varName,
		struct cgiChoice *	choices,
		int	choiceSize
	)

Definition at line 721 of file cheapcgi.c.

References cgiString(), errAbort(), name, and sameWord.

{
char *key = cgiString(varName);
int i;
int val = -1;

for (i=0; i<choiceSize; ++i)
    {
    if (sameWord(choices[i].name, key))
        {
        val =  choices[i].value;
        return val;
        }
    }
errAbort("Unknown key %s for variable %s\n", key, varName);
return val;
}

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double cgiOptionalDouble	(	char *	varName,
		double	defaultVal
	)

Definition at line 701 of file cheapcgi.c.

References cgiDouble(), and cgiVarExists().

{
if (!cgiVarExists(varName))
    return defaultVal;
return cgiDouble(varName);
}

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int cgiOptionalInt	(	char *	varName,
		int	defaultVal
	)

Definition at line 678 of file cheapcgi.c.

References cgiInt(), cgiOptionalString(), isEmpty, and skipLeadingSpaces().

{
char *s = cgiOptionalString(varName);
s = skipLeadingSpaces(s);
if (isEmpty(s))
    return defaultVal;
return cgiInt(varName);
}

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char* cgiOptionalString

(

char *

varName

)

Definition at line 612 of file cheapcgi.c.

References findVarData().

Referenced by cgiOptionalInt(), and initCgiInput().

{
return findVarData(varName);
}

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void cgiParagraph

(

char *

text

)

Definition at line 848 of file cheapcgi.c.

{
printf("<P> %s\n", text);
}

static void cgiParseAbort

(

)

[static]

Definition at line 396 of file cheapcgi.c.

References cgiParseRecover.

Referenced by cgiParseInput().

{
longjmp(cgiParseRecover, -1);
}

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boolean cgiParseInput	(	char *	input,
		struct hash **	retHash,
		struct cgiVar **	retList
	)

Definition at line 402 of file cheapcgi.c.

References cgiParseAbort(), cgiParseInputAbort(), cgiParseRecover, FALSE, popAbortHandler(), pushAbortHandler(), and TRUE.

{
boolean ok = TRUE;
int status = setjmp(cgiParseRecover);
if (status == 0)    /* Always true except after long jump. */
    {
    pushAbortHandler(cgiParseAbort);
    cgiParseInputAbort(input, retHash, retList);
    }
else    /* They long jumped here because of an error. */
    {
    ok = FALSE;
    }
popAbortHandler();
return ok;
}

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static void cgiParseInputAbort	(	char *	input,
		struct hash **	retHash,
		struct cgiVar **	retList
	)			[static]

Definition at line 356 of file cheapcgi.c.

References AllocVar, cgiDecode(), errAbort(), hashAddSaveName(), newHash(), slAddHead, and slReverse().

Referenced by cgiParseInput(), and initCgiInput().

{
char *namePt, *dataPt, *nextNamePt;
struct hash *hash = newHash(6);
struct cgiVar *list = NULL, *el;

namePt = input;
while (namePt != NULL && namePt[0] != 0)
    {
    dataPt = strchr(namePt, '=');
    if (dataPt == NULL)
        {
        errAbort("Mangled CGI input string %s", namePt);
        }
    *dataPt++ = 0;
    nextNamePt = strchr(dataPt, '&');
    if (nextNamePt == NULL)
        nextNamePt = strchr(dataPt, ';');       /* Accomodate DAS. */
    if (nextNamePt != NULL)
         *nextNamePt++ = 0;
    cgiDecode(namePt,namePt,strlen(namePt));    /* for unusual ct names */
    cgiDecode(dataPt,dataPt,strlen(dataPt));
    AllocVar(el);
    el->val = dataPt;
    slAddHead(&list, el);
    hashAddSaveName(hash, namePt, el, &el->name);
    namePt = nextNamePt;
    }
slReverse(&list);
*retList = list;
*retHash = hash;
}

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static void cgiParseMultipart	(	struct hash **	retHash,
		struct cgiVar **	retList
	)			[static]

Definition at line 110 of file cheapcgi.c.

References AllocVar, mimePart::binary, cloneString(), mimePart::data, dyStringAppend(), dyStringPrintf(), errAbort(), mimePart::fileName, freeDyString(), freez(), getMimeHeaderFieldVal(), getMimeHeaderMainVal(), hashAddSaveName(), hashFindVal(), mimePart::hdr, initMimeBuf(), mimePart::multi, newDyString(), newHash(), mimePart::next, parseMultiParts(), safef(), sameString, mimePart::size, slAddHead, slReverse(), startsWith(), dyString::string, and warn().

Referenced by initCgiInput().

{
char h[1024];  /* hold mime header line */
char *s = NULL, *ct = NULL;
struct dyString *dy = newDyString(256);
struct mimeBuf *mb = NULL;
struct mimePart *mp = NULL;
char **env = NULL;
struct hash *hash = newHash(6);
struct cgiVar *list = NULL, *el;
extern char **environ;


//debug
//fprintf(stderr,"GALT: top of cgiParseMultipart()\n");
//fflush(stderr);

/* find the CONTENT_ environment strings, use to make Alternate Header string for MIME */
for(env=environ; *env; env++)
    if (startsWith("CONTENT_",*env))
        {
        //debug
        //fprintf(stderr,"%s\n",*env);  //debug
        safef(h,sizeof(h),"%s",*env);
        s = strchr(h,'_');    /* change env syntax to MIME style header, from _= to -: */
        if (!s)
            errAbort("expecting '_' parsing env var %s for MIME alt header", *env);
        *s = '-';
        s = strchr(h,'=');
        if (!s)
            errAbort("expecting '=' parsing env var %s for MIME alt header", *env);
        *s = ':';
        dyStringPrintf(dy,"%s\r\n",h);
        }
dyStringAppend(dy,"\r\n");  /* blank line at end means end of headers */

//debug
//fprintf(stderr,"Alternate Header Text:\n%s",dy->string);
//fflush(stderr);
mb = initMimeBuf(STDIN_FILENO);
//debug
//fprintf(stderr,"got past initMimeBuf(STDIN_FILENO)\n");
//fflush(stderr);
mp = parseMultiParts(mb, cloneString(dy->string)); /* The Alternate Header will get freed */
freeDyString(&dy);
if(!mp->multi) /* expecting multipart child parts */
    errAbort("Malformatted multipart-form.");

//debug
//fprintf(stderr,"GALT: Wow got past parse of MIME!\n");
//fflush(stderr);

ct = hashFindVal(mp->hdr,"content-type");
//debug
//fprintf(stderr,"GALT: main content-type: %s\n",ct);
//fflush(stderr);
if (!startsWith("multipart/form-data",ct))
    errAbort("main content-type expected starts with [multipart/form-data], found [%s]",ct);

for(mp=mp->multi;mp;mp=mp->next)
    {
    char *cd = NULL, *cdMain = NULL, *cdName = NULL, *cdFileName = NULL, *ct = NULL;
    cd = hashFindVal(mp->hdr,"content-disposition");
    ct = hashFindVal(mp->hdr,"content-type");
    //debug
    //fprintf(stderr,"GALT: content-disposition: %s\n",cd);
    //fprintf(stderr,"GALT: content-type: %s\n",ct);
    //fflush(stderr);
    cdMain=getMimeHeaderMainVal(cd);
    cdName=getMimeHeaderFieldVal(cd,"name");
    cdFileName=getMimeHeaderFieldVal(cd,"filename");
    //debug
    //fprintf(stderr,"GALT: main:[%s], name:[%s], filename:[%s]\n",cdMain,cdName,cdFileName);
    //fflush(stderr);
    if (!sameString(cdMain,"form-data"))
        errAbort("main content-type expected [form-data], found [%s]",cdMain);

    //debug
    //fprintf(stderr,"GALT: mp->size[%llu], mp->binary=[%d], mp->fileName=[%s], mp=>data:[%s]\n",
        //(unsigned long long) mp->size, mp->binary, mp->fileName, 
        //mp->binary && mp->data ? "<binary data not safe to print>" : mp->data);
    //fflush(stderr);
    
    /* filename if there is one */
    if(cdFileName) 
        {
        char varNameFilename[256];
        safef(varNameFilename, sizeof(varNameFilename), "%s__filename", cdName);
        AllocVar(el);
        el->val = cloneString(cdFileName);
        slAddHead(&list, el);
        hashAddSaveName(hash, varNameFilename, el, &el->name);
        }
        
    if (mp->data) 
        {
        if (mp->binary)
            {
            char varNameBinary[256];
            char addrSizeBuf[40];
            safef(varNameBinary,sizeof(varNameBinary),"%s__binary",cdName);
            safef(addrSizeBuf,sizeof(addrSizeBuf),"%lu %llu", 
                (unsigned long)mp->data,
                (unsigned long long)mp->size);
            AllocVar(el);
            el->val = cloneString(addrSizeBuf);
            slAddHead(&list, el);
            hashAddSaveName(hash, varNameBinary, el, &el->name);
            }
        else  /* normal variable, not too big, does not contain zeros */
            {
            AllocVar(el);
            el->val = mp->data;
            slAddHead(&list, el);
            hashAddSaveName(hash, cdName, el, &el->name);
            }
        }           
    else if (mp->fileName)
        {
        char varNameData[256];
        safef(varNameData, sizeof(varNameData), "%s__data", cdName);
        AllocVar(el);
        el->val = mp->fileName; 
        slAddHead(&list, el);
        hashAddSaveName(hash, varNameData, el, &el->name);
        //debug
        //fprintf(stderr,"GALT special: saved varNameData:[%s], mp=>fileName:[%s]\n",el->name,el->val);
        //fflush(stderr);
        }
    else if (mp->multi)
        {
        warn("unexpected nested MIME structures");
        }
    else
        {
        errAbort("mp-> type not data,fileName, or multi - unexpected MIME structure");
        }
    
    freez(&cdMain);
    freez(&cdName);
    freez(&cdFileName);
    }

slReverse(&list);
*retList = list;
*retHash = hash;
}

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char* cgiScriptName

(

)

Definition at line 50 of file cheapcgi.c.

{
return getenv("SCRIPT_NAME");
}

char* cgiServerName

(

)

Definition at line 56 of file cheapcgi.c.

{
return getenv("SERVER_NAME");
}

void cgiSimpleTableFieldStart

(

)

Definition at line 822 of file cheapcgi.c.

{
printf("<TD>");
}

void cgiSimpleTableRowStart

(

)

Definition at line 810 of file cheapcgi.c.

{
printf("<TR>\n");
}

void cgiSimpleTableStart

(

)

Definition at line 797 of file cheapcgi.c.

{
printf("<TABLE>\n");
}

boolean cgiSpoof	(	int *	pArgc,
		char *	argv[]
	)

Definition at line 1219 of file cheapcgi.c.

References cgiFromCommandLine(), and TRUE.

Referenced by cgiFromFile(), and main().

{
return cgiFromCommandLine(pArgc, argv, TRUE);
}

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char* cgiString

(

char *

varName

)

Definition at line 619 of file cheapcgi.c.

References mustFindVarData().

Referenced by cgiContinueHiddenVar(), cgiIntExp(), cgiOneChoice(), doBlat(), doDetailLine(), and gfWebFindServer().

{
return mustFindVarData(varName);
}

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struct slName* cgiStringList

(

char *

varName

)

[read]

Definition at line 636 of file cheapcgi.c.

References hashLookup(), initCgiInput(), inputHash, hashEl::name, newSlName(), hashEl::next, sameString, slAddHead, and hashEl::val.

{
struct hashEl *hel;
struct slName *stringList = NULL, *string;

initCgiInput();
for (hel = hashLookup(inputHash, varName); hel != NULL; hel = hel->next)
    {
    if (sameString(hel->name, varName))
        {
        struct cgiVar *var = hel->val;
        string = newSlName(var->val);
        slAddHead(&stringList, string);
        }
    }
return stringList;
}

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void cgiTableEnd

(

)

Definition at line 804 of file cheapcgi.c.

{
printf("</TABLE>\n");
}

void cgiTableField

(

char *

text

)

Definition at line 834 of file cheapcgi.c.

{
printf("<TD> %s </TD>\n", text);
}

void cgiTableFieldEnd

(

)

Definition at line 828 of file cheapcgi.c.

{
printf("</TD>\n");
}

void cgiTableFieldWithMsg	(	char *	text,
		char *	msg
	)

Definition at line 840 of file cheapcgi.c.

{
printf("<TD %s%s%s> %s </TD>\n", 
        (msg ? " TITLE=\"" : ""), (msg ? msg : ""), (msg ? "\"" : "" ),
        text);
}

void cgiTableRowEnd

(

)

Definition at line 816 of file cheapcgi.c.

{
printf("</TR>\n");
}

struct dyString* cgiUrlString

(

)

[read]

Definition at line 1126 of file cheapcgi.c.

References cgiEncode(), dyStringAppend(), dyStringPrintf(), freez(), inputList, cgiVar::name, newDyString(), cgiVar::next, and cgiVar::val.

{
struct dyString *dy = newDyString(0);
struct cgiVar *cv;
char *e;


for (cv = inputList; cv != NULL; cv = cv->next)
    {
    if (cv != inputList)
       dyStringAppend(dy, "&");
    e = cgiEncode(cv->val);
    dyStringPrintf(dy, "%s=", cv->name);
    dyStringAppend(dy, e);
    freez(&e);
    }
return dy;
}

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char* cgiUsualString	(	char *	varName,
		char *	usual
	)

Definition at line 625 of file cheapcgi.c.

References findVarData().

Referenced by aliLines(), doBlat(), and doGetSeq().

{
char *pt;
pt = findVarData(varName);
if (pt == NULL)
    pt = usual;
return pt;
}

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void cgiVarExclude

(

char *

varName

)

Definition at line 1077 of file cheapcgi.c.

References cgiVarExists(), hashRemove(), inputHash, inputList, and slRemoveEl().

Referenced by cgiVarExcludeExcept().

{
if (cgiVarExists(varName))
    {
    struct cgiVar *cv = hashRemove(inputHash, varName);
    slRemoveEl(&inputList, cv);
    }
}

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void cgiVarExcludeExcept

(

char **

varNames

)

Definition at line 1087 of file cheapcgi.c.

References cgiVarExclude(), freeHash(), hashAdd(), hashElFreeList(), hashElListHash(), hashLookup(), initCgiInput(), inputHash, hashEl::name, newHash(), and hashEl::next.

{
struct hashEl *list, *el;
struct hash *exclude = newHash(8);
char *s;

/* Build up hash of things to exclude */
if (varNames != NULL)
   {
   while ((s = *varNames++) != NULL)
       hashAdd(exclude, s, NULL);
   }

/* Step through variable list and remove them if not
 * excluded. */
initCgiInput();
list = hashElListHash(inputHash);
for (el = list; el != NULL; el = el->next)
    {
    if (!hashLookup(exclude, el->name))
        cgiVarExclude(el->name);
    }
hashElFreeList(&list);
freeHash(&exclude);
}

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boolean cgiVarExists

(

char *

varName

)

Definition at line 709 of file cheapcgi.c.

References hashLookup(), initCgiInput(), and inputHash.

Referenced by cgiBoolean(), cgiBooleanDefined(), cgiContinueHiddenVar(), cgiOptionalDouble(), cgiVarExclude(), gfWebFindServer(), and webBlat().

{
initCgiInput();
return hashLookup(inputHash, varName) != NULL;
}

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struct cgiVar* cgiVarList

(

)

[read]

Definition at line 459 of file cheapcgi.c.

References initCgiInput(), and inputList.

{
initCgiInput();
return inputList;
}

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void cgiVarSet	(	char *	varName,
		char *	val
	)

Definition at line 1116 of file cheapcgi.c.

References AllocVar, cloneString(), hashAddSaveName(), initCgiInput(), inputHash, cgiVar::name, and cgiVar::val.

{
struct cgiVar *var;
initCgiInput();
AllocVar(var);
var->val = cloneString(val);
hashAddSaveName(inputHash, varName, var, &var->name);
}

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void dumpCookieList

(

)

Definition at line 30 of file cheapcgi.c.

References cookieList, cgiVar::name, cgiVar::next, cgiVar::saved, and cgiVar::val.

{
struct cgiVar *v;
for (v=cookieList; v != NULL; v = v->next)
    printf("%s=%s (%d)\n", v->name, v->val, v->saved);
}

char* findCookieData

(

char *

varName

)

Definition at line 308 of file cheapcgi.c.

References cookieHash, cookieList, hashFindVal(), parseCookies(), and cgiVar::val.

{
struct cgiVar *var;

/* make sure that the cookie hash table has been created */
parseCookies(&cookieHash, &cookieList);
if (cookieHash == NULL)
    return NULL;
if ((var = hashFindVal(cookieHash, varName)) == NULL)
    return NULL;
return var->val;
}

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static char* findVarData

(

char *

varName

)

[static]

Definition at line 466 of file cheapcgi.c.

References hashFindVal(), initCgiInput(), inputHash, and cgiVar::val.

Referenced by cgiOptionalString(), cgiUsualString(), and mustFindVarData().

{
struct cgiVar *var;

initCgiInput();
if ((var = hashFindVal(inputHash, varName)) == NULL)
    return NULL;
return var->val;
}

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static void getPostInput

(

)

[static]

Definition at line 77 of file cheapcgi.c.

References errAbort(), inputSize, inputString, needMem(), and startsWith().

Referenced by _cgiFindInput().

{
char *s;
long i;
int r;

s = getenv("CONTENT_LENGTH");
if (s == NULL)
    errAbort("No CONTENT_LENGTH in environment.");
if (sscanf(s, "%lu", &inputSize) != 1)
    errAbort("CONTENT_LENGTH isn't a number.");
s = getenv("CONTENT_TYPE");
if (s != NULL && startsWith("multipart/form-data", s))
    {
    /* use MIME parse on input stream instead, can handle large uploads */
    inputString = "";  // must not be NULL so it knows it was set
    return;  
    }
inputString = needMem((size_t)inputSize+1);
for (i=0; i<inputSize; ++i)
    {
    r = getc(stdin);
    if (r == EOF)
        errAbort("Short POST input.");
    inputString[i] = r;
    }
inputString[inputSize] = 0;
}

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static void getQueryInput

(

)

[static]

Definition at line 68 of file cheapcgi.c.

References cloneString(), errAbort(), and inputString.

Referenced by _cgiFindInput().

{
inputString = getenv("QUERY_STRING");
if (inputString == NULL)
    errAbort("No QUERY_STRING in environment.");
inputString = cloneString(inputString);
}

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static void initCgiInput

(

)

[static]

Definition at line 424 of file cheapcgi.c.

References _cgiFindInput(), cgiOptionalString(), cgiParseInputAbort(), cgiParseMultipart(), cookieHash, cookieList, envUpdate(), inputHash, inputList, inputString, parseCookies(), and startsWith().

Referenced by cgiFromCommandLine(), cgiStringList(), cgiVarExcludeExcept(), cgiVarExists(), cgiVarList(), cgiVarSet(), and findVarData().

{
char* s;

if (inputString != NULL)
    return;
_cgiFindInput(NULL);

/* check to see if the input is a multipart form */
s = getenv("CONTENT_TYPE");
if (s != NULL && startsWith("multipart/form-data", s))
    {
    cgiParseMultipart(&inputHash, &inputList);
    }       
else
    {
    cgiParseInputAbort(inputString, &inputHash, &inputList);
    }

/* now parse the cookies */
parseCookies(&cookieHash, &cookieList);

/* Set enviroment variables CGIs to enable sql tracing and/or profiling */
s = cgiOptionalString("JKSQL_TRACE");
if (s != NULL)
    envUpdate("JKSQL_TRACE", s);
s = cgiOptionalString("JKSQL_PROF");
if (s != NULL)
    envUpdate("JKSQL_PROF", s);
    
}

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static char* mustFindVarData

(

char *

varName

)

[static]

Definition at line 486 of file cheapcgi.c.

References cgiBadVar(), and findVarData().

Referenced by cgiDouble(), cgiInt(), and cgiString().

{
char *res = findVarData(varName);
if (res == NULL)
    cgiBadVar(varName);
return res;
}

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static void parseCookies	(	struct hash **	retHash,
		struct cgiVar **	retList
	)			[static]

Definition at line 262 of file cheapcgi.c.

References AllocVar, cgiDecode(), cloneString(), errAbort(), hashAddSaveName(), haveCookiesHash, newHash(), slAddHead, slReverse(), and TRUE.

Referenced by findCookieData(), and initCgiInput().

{
char* str;
char *namePt, *dataPt, *nextNamePt;
struct hash *hash;
struct cgiVar *list = NULL, *el;

/* don't build the hash table again */
if(haveCookiesHash == TRUE)
        return;

str = cloneString(getenv("HTTP_COOKIE"));
if(str == NULL) /* don't have a cookie */
        return;

hash = newHash(6);

namePt = str;
while (namePt != NULL)
    {
    dataPt = strchr(namePt, '=');
    if (dataPt == NULL)
        errAbort("Mangled Cookie input string %s", namePt);
    *dataPt++ = 0;
    nextNamePt = strchr(dataPt, ';');
    if (nextNamePt != NULL)
        {
         *nextNamePt++ = 0;
         nextNamePt++;
        }
    cgiDecode(dataPt,dataPt,strlen(dataPt));
    AllocVar(el);
    el->val = dataPt;
    slAddHead(&list, el);
    hashAddSaveName(hash, namePt, el, &el->name);
    namePt = nextNamePt;
    }

haveCookiesHash = TRUE;

slReverse(&list);
*retList = list;
*retHash = hash;
}

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void useTempFile

(

)

Definition at line 38 of file cheapcgi.c.

References doUseTempFile, and TRUE.

{
doUseTempFile = TRUE;
}

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Variable Documentation

jmp_buf cgiParseRecover [static]

Definition at line 394 of file cheapcgi.c.

Referenced by cgiParseAbort(), and cgiParseInput().

struct hash* cookieHash = NULL [static]

Definition at line 24 of file cheapcgi.c.

Referenced by findCookieData(), and initCgiInput().

struct cgiVar* cookieList = NULL [static]

Definition at line 25 of file cheapcgi.c.

Referenced by cookieOutput(), dumpCookieList(), findCookieData(), and initCgiInput().

boolean doUseTempFile = FALSE [static]

Definition at line 28 of file cheapcgi.c.

Referenced by useTempFile().

boolean haveCookiesHash = FALSE [static]

Definition at line 23 of file cheapcgi.c.

Referenced by parseCookies().

struct hash* inputHash = NULL [static]

Definition at line 20 of file cheapcgi.c.

Referenced by cgiStringList(), cgiVarExclude(), cgiVarExcludeExcept(), cgiVarExists(), cgiVarSet(), findVarData(), and initCgiInput().

struct cgiVar* inputList = NULL [static]

Definition at line 21 of file cheapcgi.c.

Referenced by cgiContinueAllVars(), cgiUrlString(), cgiVarExclude(), cgiVarList(), and initCgiInput().

unsigned long inputSize [static]

Definition at line 19 of file cheapcgi.c.

Referenced by getPostInput().

char* inputString = NULL [static]

Definition at line 18 of file cheapcgi.c.

Referenced by _cgiFindInput(), _cgiRawInput(), getPostInput(), getQueryInput(), and initCgiInput().

char const rcsid[] = "$Id: cheapcgi.c,v 1.85 2006/12/19 18:49:52 kent Exp $" [static]

Definition at line 15 of file cheapcgi.c.

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