char *curl_easy_escape(CURL *handle, const char *string, int inlength)
{
size_t alloc = (inlength?(size_t)inlength:strlen(string))+1;
char *ns;
char *testing_ptr = NULL;
unsigned char in; /* we need to treat the characters unsigned */
size_t newlen = alloc;
int strindex=0;
size_t length;
#ifndef CURL_DOES_CONVERSIONS
/* avoid compiler warnings */
(void)handle;
#endif
ns = malloc(alloc);
if(!ns)
return NULL;
length = alloc-1;
while(length--) {
in = *string;
if (Curl_isalnum(in)) {
/* just copy this */
ns[strindex++]=in;
}
else {
/* encode it */
newlen += 2; /* the size grows with two, since this'll become a %XX */
if(newlen > alloc) {
alloc *= 2;
testing_ptr = realloc(ns, alloc);
if(!testing_ptr) {
free( ns );
return NULL;
}
else {
ns = testing_ptr;
}
}
#ifdef CURL_DOES_CONVERSIONS
/* escape sequences are always in ASCII so convert them on non-ASCII hosts */
if(!handle ||
(Curl_convert_to_network(handle, &in, 1) != CURLE_OK)) {
/* Curl_convert_to_network calls failf if unsuccessful */
free(ns);
return NULL;
}
#endif /* CURL_DOES_CONVERSIONS */
snprintf(&ns[strindex], 4, "%%%02X", in);
strindex+=3;
}
string++;
}
ns[strindex]=0; /* terminate it */
return ns;
}
char *curl_easy_escape(CURL *handle, const char *string, int inlength)
{
size_t alloc = (inlength?(size_t)inlength:strlen(string))+1;
char *ns;
char *testing_ptr = NULL;
unsigned char in; /* we need to treat the characters unsigned */
size_t newlen = alloc;
size_t strindex=0;
size_t length;
CURLcode res;
ns = malloc(alloc);
if(!ns)
return NULL;
length = alloc-1;
while(length--) {
in = *string;
if(Curl_isunreserved(in))
/* just copy this */
ns[strindex++]=in;
else {
/* encode it */
newlen += 2; /* the size grows with two, since this'll become a %XX */
if(newlen > alloc) {
alloc *= 2;
testing_ptr = realloc(ns, alloc);
if(!testing_ptr) {
free( ns );
return NULL;
}
else {
ns = testing_ptr;
}
}
res = Curl_convert_to_network(handle, &in, 1);
if(res) {
/* Curl_convert_to_network calls failf if unsuccessful */
free(ns);
return NULL;
}
snprintf(&ns[strindex], 4, "%%%02X", in);
strindex+=3;
}
string++;
}
ns[strindex]=0; /* terminate it */
return ns;
}
/*
* Curl_convert_form() is used from http.c, this converts any form items that
need to be sent in the network encoding. Returns CURLE_OK on success.
*/
CURLcode Curl_convert_form(struct Curl_easy *data, struct FormData *form)
{
CURLcode result;
if(!data)
return CURLE_BAD_FUNCTION_ARGUMENT;
while(form) {
if(form->type == FORM_DATA) {
result = Curl_convert_to_network(data, form->line, form->length);
/* Curl_convert_to_network calls failf if unsuccessful */
if(result)
return result;
}
form = form->next;
}
return CURLE_OK;
}
/*
* Curl_convert_form() is used from http.c, this converts any form items that
need to be sent in the network encoding. Returns CURLE_OK on success.
*/
CURLcode Curl_convert_form(struct SessionHandle *data, struct FormData *form)
{
struct FormData *next;
CURLcode rc;
if(!form)
return CURLE_OK;
if(!data)
return CURLE_BAD_FUNCTION_ARGUMENT;
do {
next=form->next; /* the following form line */
if(form->type == FORM_DATA) {
rc = Curl_convert_to_network(data, form->line, form->length);
/* Curl_convert_to_network calls failf if unsuccessful */
if(rc != CURLE_OK)
return rc;
}
} while((form = next) != NULL); /* continue */
return CURLE_OK;
}
/*
* Curl_convert_clone() returns a malloced copy of the source string (if
* returning CURLE_OK), with the data converted to network format.
*/
CURLcode Curl_convert_clone(struct SessionHandle *data,
const char *indata,
size_t insize,
char **outbuf)
{
char *convbuf;
CURLcode result;
convbuf = malloc(insize);
if(!convbuf)
return CURLE_OUT_OF_MEMORY;
memcpy(convbuf, indata, insize);
result = Curl_convert_to_network(data, convbuf, insize);
if(result) {
free(convbuf);
return result;
}
*outbuf = convbuf; /* return the converted buffer */
return CURLE_OK;
}
/***********************************************************************
*
* Curl_pp_sendfv()
*
* Send the formated string as a command to a pingpong server. Note that
* the string should not have any CRLF appended, as this function will
* append the necessary things itself.
*
* NOTE: we build the command in a fixed-length buffer, which sets length
* restrictions on the command!
*
* made to never block
*/
CURLcode Curl_pp_vsendf(struct pingpong *pp,
const char *fmt,
va_list args)
{
ssize_t bytes_written;
/* may still not be big enough for some krb5 tokens */
#define SBUF_SIZE 1024
char s[SBUF_SIZE];
size_t write_len;
char *sptr=s;
CURLcode res = CURLE_OK;
struct connectdata *conn = pp->conn;
struct SessionHandle *data = conn->data;
#if defined(HAVE_KRB4) || defined(HAVE_GSSAPI)
enum protection_level data_sec = conn->data_prot;
#endif
vsnprintf(s, SBUF_SIZE-3, fmt, args);
strcat(s, "\r\n"); /* append a trailing CRLF */
bytes_written=0;
write_len = strlen(s);
Curl_pp_init(pp);
#ifdef CURL_DOES_CONVERSIONS
res = Curl_convert_to_network(data, s, write_len);
/* Curl_convert_to_network calls failf if unsuccessful */
if(res != CURLE_OK) {
return res;
}
#endif /* CURL_DOES_CONVERSIONS */
#if defined(HAVE_KRB4) || defined(HAVE_GSSAPI)
conn->data_prot = prot_cmd;
#endif
res = Curl_write(conn, conn->sock[FIRSTSOCKET], sptr, write_len,
&bytes_written);
#if defined(HAVE_KRB4) || defined(HAVE_GSSAPI)
conn->data_prot = data_sec;
#endif
if(CURLE_OK != res)
return res;
if(conn->data->set.verbose)
Curl_debug(conn->data, CURLINFO_HEADER_OUT,
sptr, (size_t)bytes_written, conn);
if(bytes_written != (ssize_t)write_len) {
/* the whole chunk was not sent, store the rest of the data */
write_len -= bytes_written;
sptr += bytes_written;
pp->sendthis = malloc(write_len);
if(pp->sendthis) {
memcpy(pp->sendthis, sptr, write_len);
pp->sendsize = pp->sendleft = write_len;
}
else {
failf(data, "out of memory");
res = CURLE_OUT_OF_MEMORY;
}
}
else
pp->response = Curl_tvnow();
return res;
}
/***********************************************************************
*
* Curl_pp_vsendf()
*
* Send the formatted string as a command to a pingpong server. Note that
* the string should not have any CRLF appended, as this function will
* append the necessary things itself.
*
* made to never block
*/
CURLcode Curl_pp_vsendf(struct pingpong *pp,
const char *fmt,
va_list args)
{
ssize_t bytes_written;
size_t write_len;
char *fmt_crlf;
char *s;
CURLcode result;
struct connectdata *conn = pp->conn;
struct Curl_easy *data;
#ifdef HAVE_GSSAPI
enum protection_level data_sec;
#endif
DEBUGASSERT(pp->sendleft == 0);
DEBUGASSERT(pp->sendsize == 0);
DEBUGASSERT(pp->sendthis == NULL);
if(!conn)
/* can't send without a connection! */
return CURLE_SEND_ERROR;
data = conn->data;
fmt_crlf = aprintf("%s\r\n", fmt); /* append a trailing CRLF */
if(!fmt_crlf)
return CURLE_OUT_OF_MEMORY;
s = vaprintf(fmt_crlf, args); /* trailing CRLF appended */
free(fmt_crlf);
if(!s)
return CURLE_OUT_OF_MEMORY;
bytes_written = 0;
write_len = strlen(s);
Curl_pp_init(pp);
result = Curl_convert_to_network(data, s, write_len);
/* Curl_convert_to_network calls failf if unsuccessful */
if(result) {
free(s);
return result;
}
#ifdef HAVE_GSSAPI
conn->data_prot = PROT_CMD;
#endif
result = Curl_write(conn, conn->sock[FIRSTSOCKET], s, write_len,
&bytes_written);
#ifdef HAVE_GSSAPI
data_sec = conn->data_prot;
DEBUGASSERT(data_sec > PROT_NONE && data_sec < PROT_LAST);
conn->data_prot = data_sec;
#endif
if(result) {
free(s);
return result;
}
if(conn->data->set.verbose)
Curl_debug(conn->data, CURLINFO_HEADER_OUT,
s, (size_t)bytes_written, conn);
if(bytes_written != (ssize_t)write_len) {
/* the whole chunk was not sent, keep it around and adjust sizes */
pp->sendthis = s;
pp->sendsize = write_len;
pp->sendleft = write_len - bytes_written;
}
else {
free(s);
pp->sendthis = NULL;
pp->sendleft = pp->sendsize = 0;
pp->response = Curl_now();
}
return CURLE_OK;
}
/**
* Slight modification to curl_easy_escape, since it escapes a few characters
* that the SimpleDB API does not want escaped.
*
* @param sdb the SimpleDB handle
* @param string the string to escape
* @param inlength the length of the inbound character string
* @return the escaped string
*/
char *sdb_escape(struct SDB* sdb, const char *string, int inlength)
{
size_t alloc = (inlength?(size_t)inlength:strlen(string))+1;
char *ns;
char *testing_ptr = NULL;
unsigned char in; /* we need to treat the characters unsigned */
size_t newlen = alloc;
int strindex=0;
size_t length;
ns = malloc(alloc);
if(!ns)
return NULL;
length = alloc-1;
while(length--) {
in = *string;
/* Portable character check (remember EBCDIC). Do not use isalnum() because
its behavior is altered by the current locale. */
switch (in) {
case '0': case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
case 'a': case 'b': case 'c': case 'd': case 'e':
case 'f': case 'g': case 'h': case 'i': case 'j':
case 'k': case 'l': case 'm': case 'n': case 'o':
case 'p': case 'q': case 'r': case 's': case 't':
case 'u': case 'v': case 'w': case 'x': case 'y': case 'z':
case 'A': case 'B': case 'C': case 'D': case 'E':
case 'F': case 'G': case 'H': case 'I': case 'J':
case 'K': case 'L': case 'M': case 'N': case 'O':
case 'P': case 'Q': case 'R': case 'S': case 'T':
case 'U': case 'V': case 'W': case 'X': case 'Y': case 'Z':
case '~': case '_': case '-': case '.':
/* just copy this */
ns[strindex++]=in;
break;
default:
/* encode it */
newlen += 2; /* the size grows with two, since this'll become a %XX */
if(newlen > alloc) {
alloc *= 2;
testing_ptr = realloc(ns, alloc);
if(!testing_ptr) {
free( ns );
return NULL;
}
else {
ns = testing_ptr;
}
}
#ifdef CURL_DOES_CONVERSIONS
/* escape sequences are always in ASCII so convert them on non-ASCII hosts */
if(!sdb->curl_handle ||
(Curl_convert_to_network(sdb->curl_handle, &in, 1) != CURLE_OK)) {
/* Curl_convert_to_network calls failf if unsuccessful */
free(ns);
return NULL;
}
#endif /* CURL_DOES_CONVERSIONS */
snprintf(&ns[strindex], 4, "%%%02X", in);
strindex+=3;
break;
}
string++;
}
ns[strindex]=0; /* terminate it */
return ns;
}
