#define FALSE 0
typedef unsigned char byte; /* Byte type */
-static byte dtable[256]; /* base64 encode / decode table */
+static byte dtable[256] = "\0"; /* base64 decode table */
+static byte etable[256] = "\0"; /* base64 encode table */
/* Month strings for date conversions */
char *ascmonths[12] = {
return (count);
}
+//extern void cit_backtrace(void);
+
/*
* extract_token() - a string tokenizer
*/
long extract_token(char *dest, const char *source, int parmnum, char separator, int maxlen)
{
- const char *s; /* source */
- const char *start;
- const char *end;
- int count = 0;
- int len = 0;
- /* Locate desired parameter */
+ const char *s; //* source * /
+ int len = 0; //* running total length of extracted string * /
+ int current_token = 0; //* token currently being processed * /
+
s = source;
- while (1) {
- /* End of string, bail! */
- if (IsEmptyStr(s)) {
- *dest = '\0';
- return -1; /* Parameter not found */
- }
+
+ if (dest == NULL) {
+ return(-1);
+ }
+
+// cit_backtrace();
+// lprintf (CTDL_DEBUG, "test >: n: %d sep: %c source: %s \n willi \n", parmnum, separator, source);
+ dest[0] = 0;
+
+ if (s == NULL) {
+ return(-1);
+ }
+
+ maxlen--;
+
+ while (*s) {
if (*s == separator) {
- count++;
- if (count == parmnum)
- start = s + 1; // we found da start border!
- else if (count == parmnum + 1)
- {
- end = s; // we found da end border!
- break; // so we're done.
- }
+ ++current_token;
}
- s++;
+ if ( (current_token == parmnum) &&
+ (*s != separator) &&
+ (len < maxlen) ) {
+ dest[len] = *s;
+ ++len;
+ }
+ else if ((current_token > parmnum) || (len >= maxlen)) {
+ break;
+ }
+ ++s;
}
- len = end - start;
- if (len > maxlen){
- /** TODO: do find an alternative for this if we're not inside of the server
- lprintf (ERROR,
- "Warning: Tokenizer failed due to space. better use grab_token here? "
- "(Token: %d N: %d Extractstring at: %s FullString: %s",
- (char)separator, parmnum, start, source);
- */
- *dest = '\0';
- return -1; /* Parameter exceeds space */
- }
- memcpy(dest, start, len);
- dest[len]='\0';
- return len;
+ dest[len] = '\0';
+ if (current_token < parmnum) {
+// lprintf (CTDL_DEBUG,"test <!: %s\n", dest);
+ return(-1);
+ }
+// lprintf (CTDL_DEBUG,"test <: %d; %s\n", len, dest);
+ return(len);
}
+//*/
+
/*
* extract_token() - a string tokenizer
- * returns -1 if not found, or length of token.
- */
-long grab_token(char **dest, const char *source, int parmnum, char separator)
+ * /
+long extract_token(char *dest, const char *source, int parmnum, char separator, int maxlen)
{
- const char *s; /* source */
- const char *start;
- const char *end;
+ char *d; // dest
+ const char *s; // source
int count = 0;
int len = 0;
- /* Locate desired parameter */
+
+// cit_backtrace();
+ lprintf (CTDL_DEBUG, "test >: n: %d sep: %c source: %s \n willi \n", parmnum, separator, source);
+ strcpy(dest, "");
+
+ // Locate desired parameter
s = source;
- while (1) {
- /* End of string, bail! */
- if (IsEmptyStr(s)) {
- *dest = '\0';
- return -1; /* Parameter not found */
+ while (count < parmnum) {
+ // End of string, bail!
+ if (!*s) {
+ s = NULL;
+ break;
}
if (*s == separator) {
count++;
- if (count == parmnum)
- start = s + 1; // we found da start border!
- else if (count == parmnum + 1)
- {
- end = s; // we found da end border!
- break; // so we're done.
- }
}
s++;
}
-
- len = end - start;
- *dest = (char*)malloc (len + 1);
- memcpy(*dest, start, len);
- (*dest)[len]='\0';
- return len;
+ if (!s) {
+ lprintf (CTDL_DEBUG,"test <!: %s\n", dest);
+ return -1; // Parameter not found
+ }
+
+ for (d = dest; *s && *s != separator && ++len<maxlen; s++, d++) {
+ *d = *s;
+ }
+ *d = 0;
+ lprintf (CTDL_DEBUG,"test <: %d; %s\n", len, dest);
+ return 0;
}
+*/
/*
}
+
+void CtdlInitBase64Table(void)
+{
+ int i;
+ /* Fill dtable with character encodings. */
+
+ /* Encoder Table */
+ for (i = 0; i < 26; i++) {
+ etable[i] = 'A' + i;
+ etable[26 + i] = 'a' + i;
+ }
+ for (i = 0; i < 10; i++) {
+ etable[52 + i] = '0' + i;
+ }
+ etable[62] = '+';
+ etable[63] = '/';
+
+ /* Decoder Table */
+ for (i = 0; i < 255; i++) {
+ dtable[i] = 0x80;
+ }
+ for (i = 'A'; i <= 'Z'; i++) {
+ dtable[i] = 0 + (i - 'A');
+ }
+ for (i = 'a'; i <= 'z'; i++) {
+ dtable[i] = 26 + (i - 'a');
+ }
+ for (i = '0'; i <= '9'; i++) {
+ dtable[i] = 52 + (i - '0');
+ }
+ dtable['+'] = 62;
+ dtable['/'] = 63;
+ dtable['='] = 0;
+}
+
/*
* CtdlDecodeBase64() and CtdlEncodeBase64() are adaptations of code by
* John Walker, found in full in the file "base64.c" included with this
int spos = 0;
int dpos = 0;
- /* Fill dtable with character encodings. */
-
- for (i = 0; i < 26; i++) {
- dtable[i] = 'A' + i;
- dtable[26 + i] = 'a' + i;
- }
- for (i = 0; i < 10; i++) {
- dtable[52 + i] = '0' + i;
- }
- dtable[62] = '+';
- dtable[63] = '/';
-
while (!hiteof) {
byte igroup[3], ogroup[4];
int c, n;
igroup[n] = (byte) c;
}
if (n > 0) {
- ogroup[0] = dtable[igroup[0] >> 2];
- ogroup[1] = dtable[((igroup[0] & 3) << 4) | (igroup[1] >> 4)];
- ogroup[2] = dtable[((igroup[1] & 0xF) << 2) | (igroup[2] >> 6)];
- ogroup[3] = dtable[igroup[2] & 0x3F];
+ ogroup[0] = etable[igroup[0] >> 2];
+ ogroup[1] = etable[((igroup[0] & 3) << 4) | (igroup[1] >> 4)];
+ ogroup[2] = etable[((igroup[1] & 0xF) << 2) | (igroup[2] >> 6)];
+ ogroup[3] = etable[igroup[2] & 0x3F];
/* Replace characters in output stream with "=" pad
characters if fewer than three characters were
int dpos = 0;
int spos = 0;
- for (i = 0; i < 255; i++) {
- dtable[i] = 0x80;
- }
- for (i = 'A'; i <= 'Z'; i++) {
- dtable[i] = 0 + (i - 'A');
- }
- for (i = 'a'; i <= 'z'; i++) {
- dtable[i] = 26 + (i - 'a');
- }
- for (i = '0'; i <= '9'; i++) {
- dtable[i] = 52 + (i - '0');
- }
- dtable['+'] = 62;
- dtable['/'] = 63;
- dtable['='] = 0;
/*CONSTANTCONDITION*/
while (TRUE) {
}
}
+/*
+ * Convert "quoted-printable" to binary. Returns number of bytes decoded.
+ * according to RFC2045 section 6.7
+ */
+int CtdlDecodeQuotedPrintable(char *decoded, char *encoded, int sourcelen) {
+ unsigned int ch;
+ int decoded_length = 0;
+ int pos = 0;
+
+ while (pos < sourcelen)
+ {
+ if (!strncmp(&encoded[pos], "=\r\n", 3))
+ {
+ pos += 3;
+ }
+ else if (!strncmp(&encoded[pos], "=\n", 2))
+ {
+ pos += 2;
+ }
+ else if (encoded[pos] == '=')
+ {
+ ch = 0;
+ sscanf(&encoded[pos+1], "%02x", &ch);
+ pos += 3;
+ decoded[decoded_length++] = ch;
+ }
+ else
+ {
+ decoded[decoded_length++] = encoded[pos];
+ pos += 1;
+ }
+ }
+ decoded[decoded_length] = 0;
+ return(decoded_length);
+}
+
+
/*
* if we send out non ascii subjects, we encode it this way.
*/
*/
void striplt(char *buf)
{
+ size_t len;
+ int a;
+
+ if (buf==NULL) return;
if (IsEmptyStr(buf)) return;
- while ((!IsEmptyStr(buf)) && (isspace(buf[0])))
- strcpy(buf, &buf[1]);
+ len = strlen(buf);
+ while ((!IsEmptyStr(buf)) && (isspace(buf[len - 1])))
+ buf[--len] = 0;
if (IsEmptyStr(buf)) return;
- while ((!IsEmptyStr(buf)) && (isspace(buf[strlen(buf) - 1])))
- buf[strlen(buf) - 1] = 0;
+ a = 0;
+ while ((!IsEmptyStr(buf)) && (isspace(buf[a])))
+ a++;
+ if (a > 0)
+ memmove(buf, &buf[a], len - a + 1);
}
b = 0;
ptr = st;
while (!IsEmptyStr(ptr))
+ {
if (*ptr == ch)
++b;
+ ptr ++;
+ }
return (b);
}
}
+/**
+ * \brief Utility function to "readline" from memory
+ * \param start Location in memory from which we are reading.
+ * \param buf the buffer to place the string in.
+ * \param maxlen Size of string buffer
+ * \param retlen the length of the returned string
+ * \return Pointer to the source memory right after we stopped reading.
+ */
+char *memreadlinelen(char *start, char *buf, int maxlen, int *retlen)
+{
+ char ch;
+ char *ptr;
+ int len = 0; /**< tally our own length to avoid strlen() delays */
+
+ ptr = start;
+
+ while (1) {
+ ch = *ptr++;
+ if ((len + 1 < (maxlen)) && (ch != 13) && (ch != 10)) {
+ buf[len++] = ch;
+ }
+ if ((ch == 10) || (ch == 0)) {
+ buf[len] = 0;
+ *retlen = len;
+ return ptr;
+ }
+ }
+}
+
+
/*
projects / citadel.git / blobdiff