*
*/
-#ifdef DLL_EXPORT
-#define IN_LIBCIT
-#endif
-
#include "sysdep.h"
+#include <stdlib.h>
+#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include "tools.h"
#include "citadel.h"
+#include "sysdep_decls.h"
#define TRUE 1
#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] = {
+ "Jan", "Feb", "Mar", "Apr", "May", "Jun",
+ "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
+};
char *safestrncpy(char *dest, const char *src, size_t n)
{
+ int i = 0;
+
if (dest == NULL || src == NULL) {
fprintf(stderr, "safestrncpy: NULL argument\n");
abort();
}
- strncpy(dest, src, n);
+
+ do {
+ dest[i] = src[i];
+ if (dest[i] == 0) return(dest);
+ ++i;
+ } while (i<n);
dest[n - 1] = 0;
return dest;
}
/*
* num_tokens() - discover number of parameters/tokens in a string
*/
-int num_tokens(char *source, char tok) {
- int a;
+int num_tokens(const char *source, char tok)
+{
int count = 1;
+ const char *ptr = source;
- if (source == NULL) return(0);
- for (a=0; a<strlen(source); ++a) {
- if (source[a]==tok) ++count;
+ if (source == NULL) {
+ return (0);
}
- return(count);
+
+ while (*ptr != '\0') {
+ if (*ptr++ == tok) {
+ ++count;
+ }
+ }
+
+ return (count);
}
+//extern void cit_backtrace(void);
+
-/* extract_token_fast() - a smarter string tokenizer */
-void extract_token(char *dest, char *source, int parmnum, char separator)
+/*
+ * extract_token() - a string tokenizer
+ * returns -1 if not found, or length of token.
+ */
+long extract_token(char *dest, const char *source, int parmnum, char separator, int maxlen)
{
- char *d, *s; /* dest, source */
+ const char *s; //* source * /
+ int len = 0; //* running total length of extracted string * /
+ int current_token = 0; //* token currently being processed * /
+
+ s = source;
+
+ 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) {
+ ++current_token;
+ }
+ if ( (current_token == parmnum) &&
+ (*s != separator) &&
+ (len < maxlen) ) {
+ dest[len] = *s;
+ ++len;
+ }
+ else if ((current_token > parmnum) || (len >= maxlen)) {
+ break;
+ }
+ ++s;
+ }
+
+ 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
+ * /
+long extract_token(char *dest, const char *source, int parmnum, char separator, int maxlen)
+{
+ char *d; // dest
+ const char *s; // source
int count = 0;
+ int len = 0;
+
+// cit_backtrace();
+ lprintf (CTDL_DEBUG, "test >: n: %d sep: %c source: %s \n willi \n", parmnum, separator, source);
strcpy(dest, "");
- /* Locate desired parameter */
+ // Locate desired parameter
s = source;
while (count < parmnum) {
- /* End of string, bail! */
+ // End of string, bail!
if (!*s) {
s = NULL;
break;
}
s++;
}
- if (!s) return; /* Parameter not found */
-
- for (d = dest; *s && *s != separator; s++, d++) {
+ 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;
}
+*/
/*
- * extract_token() - a smarter string tokenizer
+ * remove_token() - a tokenizer that kills, maims, and destroys
*/
-void extract_token_old(char *dest, char *source, int parmnum, char separator)
-{
- int i;
- int len;
- int curr_parm;
-
- strcpy(dest,"");
- len = 0;
- curr_parm = 0;
-
- if (strlen(source)==0) {
- return;
- }
-
- for (i=0; i<strlen(source); ++i) {
- if (source[i]==separator) {
- ++curr_parm;
- }
- else if (curr_parm == parmnum) {
- dest[len+1] = 0;
- dest[len++] = source[i];
- }
- }
-}
-
-
-
-/* remove_token_fast() - a tokenizer that kills, maims, and destroys fast */
void remove_token(char *source, int parmnum, char separator)
{
char *d, *s; /* dest, source */
}
-/*
- * remove_token() - a tokenizer that kills, maims, and destroys
- */
-void remove_token_old(char *source, int parmnum, char separator)
-{
- int i;
- int len;
- int curr_parm;
- int start, end;
-
- len = 0;
- curr_parm = 0;
- start = (-1);
- end = (-1);
-
- if (strlen(source)==0) {
- return;
- }
-
- for (i=0; i<strlen(source); ++i) {
- if ( (start < 0) && (curr_parm == parmnum) ) {
- start = i;
- }
-
- if ( (end < 0) && (curr_parm == (parmnum+1)) ) {
- end = i;
- }
-
- if (source[i]==separator) {
- ++curr_parm;
- }
- }
-
- if (end < 0) end = strlen(source);
- strcpy(&source[start], &source[end]);
-}
-
-
-
-
/*
* extract_int() - extract an int parm w/o supplying a buffer
*/
-int extract_int(char *source, int parmnum)
+int extract_int(const char *source, int parmnum)
{
- char buf[SIZ];
+ char buf[32];
- extract_token(buf, source, parmnum, '|');
+ extract_token(buf, source, parmnum, '|', sizeof buf);
return(atoi(buf));
}
/*
* extract_long() - extract an long parm w/o supplying a buffer
*/
-long extract_long(char *source, long int parmnum)
+long extract_long(const char *source, int parmnum)
{
- char buf[SIZ];
+ char buf[32];
- extract_token(buf, source, parmnum, '|');
+ extract_token(buf, source, parmnum, '|', sizeof buf);
return(atol(buf));
}
+/*
+ * extract_unsigned_long() - extract an unsigned long parm
+ */
+unsigned long extract_unsigned_long(const char *source, int parmnum)
+{
+ char buf[32];
+
+ extract_token(buf, source, parmnum, '|', sizeof buf);
+ return strtoul(buf, NULL, 10);
+}
+
+
+
+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;
+}
/*
- * decode_base64() and encode_base64() are adaptations of code by
+ * CtdlDecodeBase64() and CtdlEncodeBase64() are adaptations of code by
* John Walker, found in full in the file "base64.c" included with this
- * distribution. The difference between those functions and these is that
- * these are intended to encode/decode small string buffers, and those are
- * intended to encode/decode entire MIME parts.
+ * distribution. We are moving in the direction of eventually discarding
+ * the separate executables, and using the ones in our code exclusively.
*/
-void encode_base64(char *dest, char *source)
+void CtdlEncodeBase64(char *dest, const char *source, size_t sourcelen)
{
int i, hiteof = FALSE;
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[0] = igroup[1] = igroup[2] = 0;
for (n = 0; n < 3; n++) {
- c = source[spos++];
- if (c == 0) {
+ if (spos >= sourcelen) {
hiteof = TRUE;
break;
}
+ c = source[spos++];
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
* Convert base64-encoded to binary. Returns the length of the decoded data.
* It will stop after reading 'length' bytes.
*/
-int decode_base64(char *dest, char *source, size_t length)
+int CtdlDecodeBase64(char *dest, const char *source, size_t length)
{
int i, c;
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.
+ */
+char *rfc2047encode(char *line, long length)
+{
+ char *AlreadyEncoded;
+ char *result;
+ long end;
+#define UTF8_HEADER "=?UTF-8?B?"
+
+ /* check if we're already done */
+ AlreadyEncoded = strstr(line, "=?");
+ if ((AlreadyEncoded != NULL) &&
+ ((strstr(AlreadyEncoded, "?B?") != NULL)||
+ (strstr(AlreadyEncoded, "?Q?") != NULL)))
+ {
+ return strdup(line);
+ }
+
+ result = (char*) malloc(strlen(UTF8_HEADER) + 4 + length * 2);
+ strncpy (result, UTF8_HEADER, strlen (UTF8_HEADER));
+ CtdlEncodeBase64(result + strlen(UTF8_HEADER), line, length);
+ end = strlen (result);
+ result[end]='?';
+ result[end+1]='=';
+ result[end+2]='\0';
+ return result;
+}
/*
*/
void striplt(char *buf)
{
- while ((strlen(buf) > 0) && (isspace(buf[0])))
- strcpy(buf, &buf[1]);
- while (isspace(buf[strlen(buf) - 1]))
- buf[strlen(buf) - 1] = 0;
+ size_t len;
+ int a;
+
+ if (buf==NULL) return;
+ if (IsEmptyStr(buf)) return;
+ len = strlen(buf);
+ while ((!IsEmptyStr(buf)) && (isspace(buf[len - 1])))
+ buf[--len] = 0;
+ if (IsEmptyStr(buf)) return;
+ a = 0;
+ while ((!IsEmptyStr(buf)) && (isspace(buf[a])))
+ a++;
+ if (a > 0)
+ memmove(buf, &buf[a], len - a + 1);
}
-/*
- * Return the number of occurances of character ch in string st
- */
-int haschar(const char *st, int ch)
+/**
+ * \brief check for the presence of a character within a string (returns count)
+ * \param st the string to examine
+ * \param ch the char to search
+ * \return the position inside of st
+ */
+int haschar(const char *st,int ch)
{
- int a, b;
+ const char *ptr;
+ int b;
b = 0;
- for (a = 0; a < strlen(st); ++a)
- if (st[a] == ch)
+ ptr = st;
+ while (!IsEmptyStr(ptr))
+ {
+ if (*ptr == ch)
++b;
+ ptr ++;
+ }
return (b);
}
-/*
- * Compare two strings, insensitive to case, punctuation, and non-alnum chars
- */
-int collapsed_strcmp(char *s1, char *s2) {
- char *c1, *c2;
- int i, ret, pos;
-
- c1 = malloc(strlen(s1)+1);
- c2 = malloc(strlen(s2)+1);
- c1[0] = 0;
- c2[0] = 0;
-
- pos = 0;
- for (i=0; i<strlen(s1); ++i) {
- if (isalnum(s1[i])) {
- c1[pos] = tolower(s1[i]);
- c1[++pos] = 0;
- }
- }
-
- pos = 0;
- for (i=0; i<strlen(s2); ++i) {
- if (isalnum(s2[i])) {
- c2[pos] = tolower(s2[i]);
- c2[++pos] = 0;
- }
- }
-
- ret = strcmp(c1, c2);
- free(c1);
- free(c2);
- return(ret);
-}
-
-
/*
* Format a date/time stamp for output
* seconds is whether to print the seconds
*/
void fmt_date(char *buf, size_t n, time_t thetime, int seconds) {
- struct tm *tm;
+ struct tm tm;
int hour;
- char *ascmonths[] = {
- "Jan", "Feb", "Mar", "Apr", "May", "Jun",
- "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
- };
-
strcpy(buf, "");
- tm = localtime(&thetime);
+ localtime_r(&thetime, &tm);
- hour = tm->tm_hour;
+ hour = tm.tm_hour;
if (hour == 0) hour = 12;
else if (hour > 12) hour = hour - 12;
if (seconds) {
snprintf(buf, n, "%s %d %4d %d:%02d:%02d%s",
- ascmonths[tm->tm_mon],
- tm->tm_mday,
- tm->tm_year + 1900,
+ ascmonths[tm.tm_mon],
+ tm.tm_mday,
+ tm.tm_year + 1900,
hour,
- tm->tm_min,
- tm->tm_sec,
- ( (tm->tm_hour >= 12) ? "pm" : "am" )
+ tm.tm_min,
+ tm.tm_sec,
+ ( (tm.tm_hour >= 12) ? "pm" : "am" )
);
} else {
snprintf(buf, n, "%s %d %4d %d:%02d%s",
- ascmonths[tm->tm_mon],
- tm->tm_mday,
- tm->tm_year + 1900,
+ ascmonths[tm.tm_mon],
+ tm.tm_mday,
+ tm.tm_year + 1900,
hour,
- tm->tm_min,
- ( (tm->tm_hour >= 12) ? "pm" : "am" )
+ tm.tm_min,
+ ( (tm.tm_hour >= 12) ? "pm" : "am" )
);
}
}
/*
* Determine whether the specified message number is contained within the
- * specified set.
+ * specified sequence set.
*/
-int is_msg_in_mset(char *mset, long msgnum) {
+int is_msg_in_sequence_set(char *mset, long msgnum) {
int num_sets;
int s;
- char setstr[SIZ], lostr[SIZ], histr[SIZ]; /* was 1024 */
+ char setstr[128], lostr[128], histr[128];
long lo, hi;
- /*
- * Now set it for all specified messages.
- */
num_sets = num_tokens(mset, ',');
for (s=0; s<num_sets; ++s) {
- extract_token(setstr, mset, s, ',');
+ extract_token(setstr, mset, s, ',', sizeof setstr);
- extract_token(lostr, setstr, 0, ':');
+ extract_token(lostr, setstr, 0, ':', sizeof lostr);
if (num_tokens(setstr, ':') >= 2) {
- extract_token(histr, setstr, 1, ':');
+ extract_token(histr, setstr, 1, ':', sizeof histr);
if (!strcmp(histr, "*")) {
snprintf(histr, sizeof histr, "%ld", LONG_MAX);
}
return(0);
}
-
-/*
- * Utility function to "readline" from memory
- * (returns new pointer)
+/**
+ * \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
+ * \return Pointer to the source memory right after we stopped reading.
*/
char *memreadline(char *start, char *buf, int maxlen)
{
- char ch;
- char *ptr;
- int len = 0; /* tally our own length to avoid strlen() delays */
-
- ptr = start;
- memset(buf, 0, maxlen);
-
- while (1) {
- ch = *ptr++;
- if ( (len < (maxlen - 1)) && (ch != 13) && (ch != 10) ) {
- buf[strlen(buf) + 1] = 0;
- buf[strlen(buf)] = ch;
- ++len;
- }
- if ((ch == 10) || (ch == 0)) {
- return ptr;
- }
- }
+ 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;
+ return ptr;
+ }
+ }
}
+/**
+ * \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;
+ }
+ }
+}
+
+
+
+
/*
* Strip a boundarized substring out of a string (for example, remove
* parentheses and anything inside them).
strcpy(&str[lb - 1], &str[rb + 1]);
}
+ else if ( (lb == 0) && (rb > lb) ) {
+ strcpy(str, &str[rb + 1]);
+ }
+
}
strcpy(outbuf, "");
- for (a = 0; a < strlen(strbuf); ++a) {
+ for (a = 0; a < (int)strlen(strbuf); ++a) {
c = 0;
for (b = 0; b < strlen(ec); ++b) {
if (strbuf[a] == ec[b])
}
+
+/*
+ * In our world, we want strcpy() to be able to work with overlapping strings.
+ */
+#ifdef strcpy
+#undef strcpy
+#endif
+char *strcpy(char *dest, const char *src) {
+ memmove(dest, src, (strlen(src) + 1) );
+ return(dest);
+}
+
+
+/*
+ * Generate a new, globally unique UID parameter for a calendar etc. object
+ */
+void generate_uuid(char *buf) {
+ static int seq = 0;
+
+ sprintf(buf, "%lx-"F_XPID_T"-%x",
+ time(NULL),
+ getpid(),
+ (seq++)
+ );
+}
+
+/*
+ * bmstrcasestr() -- case-insensitive substring search
+ *
+ * This uses the Boyer-Moore search algorithm and is therefore quite fast.
+ * The code is roughly based on the strstr() replacement from 'tin' written
+ * by Urs Jannsen.
+ */
+char *bmstrcasestr(char *text, char *pattern) {
+
+ register unsigned char *p, *t;
+ register int i, j, *delta;
+ register size_t p1;
+ int deltaspace[256];
+ size_t textlen;
+ size_t patlen;
+
+ textlen = strlen (text);
+ patlen = strlen (pattern);
+
+ /* algorithm fails if pattern is empty */
+ if ((p1 = patlen) == 0)
+ return (text);
+
+ /* code below fails (whenever i is unsigned) if pattern too long */
+ if (p1 > textlen)
+ return (NULL);
+
+ /* set up deltas */
+ delta = deltaspace;
+ for (i = 0; i <= 255; i++)
+ delta[i] = p1;
+ for (p = (unsigned char *) pattern, i = p1; --i > 0;)
+ delta[tolower(*p++)] = i;
+
+ /*
+ * From now on, we want patlen - 1.
+ * In the loop below, p points to the end of the pattern,
+ * t points to the end of the text to be tested against the
+ * pattern, and i counts the amount of text remaining, not
+ * including the part to be tested.
+ */
+ p1--;
+ p = (unsigned char *) pattern + p1;
+ t = (unsigned char *) text + p1;
+ i = textlen - patlen;
+ while(1) {
+ if (tolower(p[0]) == tolower(t[0])) {
+ if (strncasecmp ((const char *)(p - p1), (const char *)(t - p1), p1) == 0) {
+ return ((char *)t - p1);
+ }
+ }
+ j = delta[tolower(t[0])];
+ if (i < j)
+ break;
+ i -= j;
+ t += j;
+ }
+ return (NULL);
+}
+
+
+
+/*
+ * Local replacement for controversial C library function that generates
+ * names for temporary files. Included to shut up compiler warnings.
+ */
+void CtdlMakeTempFileName(char *name, int len) {
+ int i = 0;
+
+ while (i++, i < 100) {
+ snprintf(name, len, "/tmp/ctdl."F_XPID_T".%04x",
+ getpid(),
+ rand()
+ );
+ if (!access(name, F_OK)) {
+ return;
+ }
+ }
+}
projects / citadel.git / blobdiff