static void quote_forget(irc_t *irc, const char *channel, const char *user, list_t *list) {
char *quotenick = list_shift(list);
char *quotemessage = list_shift(list);
if (!quotenick || !quotemessage)
return;
if (!quote_access_check(irc, user))
return;
quote_nick_stripspecial("enick);
if (!quote_find(quotenick, quotemessage))
return irc_write(irc, channel, "%s: Sorry, could not find any quotes like \"%s %s\"",
user,
quotenick,
quotemessage
);
database_statement_t *statement = database_statement_create("DELETE FROM QUOTES WHERE NAME = ? AND CONTENT = ?");
if (!database_statement_bind(statement, "ss", quotenick, quotemessage))
return;
if (!database_statement_complete(statement))
return;
irc_write(irc, channel, "%s: Ok, removed - \"%s %s..\" - from the quote db",
user,
quotenick,
quotemessage
);
}
static void quote_add(irc_t *irc, const char *channel, const char *user, list_t *list) {
char *quotenick = list_shift(list);
char *quotemessage = list_shift(list);
if (!quotenick || !quotemessage)
return;
if (!quote_access_check(irc, user))
return;
quote_nick_stripspecial("enick);
if (quote_find(quotenick, quotemessage))
return irc_write(irc, channel, "%s: Quote already exists.", user);
database_statement_t *statement = database_statement_create("INSERT INTO QUOTES (NAME, CONTENT) VALUES ( ?, ? )");
if (!database_statement_bind(statement, "ss", quotenick, quotemessage))
return;
if (!database_statement_complete(statement))
return;
irc_write(irc, channel, "%s: Ok, added quote: <%s> %s", user, quotenick, quotemessage);
}
/* TODO:
digest-challenge tken has no order preference??
verify many situations (extra SP....)
*/
int
authorization_parse (authorization_t * auth, char *hvalue)
{
char *space = NULL;
char *next = NULL;
space = strchr (hvalue, ' '); /* SEARCH FOR SPACE */
if (space == NULL)
return -1;
if (space - hvalue < 1)
return -1;
auth->auth_type = (char *) smalloc (space - hvalue + 1);
sstrncpy (auth->auth_type, hvalue, space - hvalue);
for (;;)
{
int parse_ok = 0;
if (quoted_string_set ("username", space, &(auth->username), &next))
return -1;
if (next == NULL)
return 0; /* end of header detected! */
else if (next != space)
{
space = next;
parse_ok++;
}
if (quoted_string_set ("realm", space, &(auth->realm), &next))
return -1;
if (next == NULL)
return 0;
else if (next != space)
{
space = next;
parse_ok++;
}
if (quoted_string_set ("nonce", space, &(auth->nonce), &next))
return -1;
if (next == NULL)
return 0; /* end of header detected! */
else if (next != space)
{
space = next;
parse_ok++;
}
if (quoted_string_set ("uri", space, &(auth->uri), &next))
return -1;
if (next == NULL)
return 0; /* end of header detected! */
else if (next != space)
{
space = next;
parse_ok++;
}
if (quoted_string_set ("response", space, &(auth->response), &next))
return -1;
if (next == NULL)
return 0; /* end of header detected! */
else if (next != space)
{
space = next;
parse_ok++;
}
if (quoted_string_set ("digest", space, &(auth->digest), &next))
return -1;
if (next == NULL)
return 0; /* end of header detected! */
else if (next != space)
{
space = next;
parse_ok++;
}
if (token_set ("algorithm", space, &(auth->algorithm), &next))
return -1;
if (next == NULL)
return 0; /* end of header detected! */
else if (next != space)
{
space = next;
parse_ok++;
}
if (quoted_string_set ("cnonce", space, &(auth->cnonce), &next))
return -1;
if (next == NULL)
return 0; /* end of header detected! */
else if (next != space)
{
space = next;
parse_ok++;
}
if (quoted_string_set ("opaque", space, &(auth->opaque), &next))
return -1;
if (next == NULL)
return 0; /* end of header detected! */
else if (next != space)
{
space = next;
parse_ok++;
}
if (token_set ("qop", space, &(auth->message_qop), &next))
return -1;
if (next == NULL)
return 0; /* end of header detected! */
else if (next != space)
{
space = next;
parse_ok++;
}
if (token_set ("nc", space, &(auth->nonce_count), &next))
return -1;
if (next == NULL)
return 0; /* end of header detected! */
else if (next != space)
{
space = next;
parse_ok++;
}
/* nothing was recognized:
here, we should handle a list of unknown tokens where:
token1 = ( token2 | quoted_text ) */
/* TODO */
if (0 == parse_ok)
{
char *quote1, *quote2, *tmp;
/* CAUTION */
/* parameter not understood!!! I'm too lazy to handle IT */
/* let's simply bypass it */
if (strlen (space) < 1)
return 0;
tmp = strchr (space + 1, ',');
if (tmp == NULL) /* it was the last header */
return 0;
quote1 = quote_find (space);
if ((quote1 != NULL) && (quote1 < tmp)) /* this may be a quoted string! */
{
quote2 = quote_find (quote1 + 1);
if (quote2 == NULL)
return -1; /* bad header format... */
if (tmp < quote2) /* the comma is inside the quotes! */
space = strchr (quote2, ',');
else
space = tmp;
if (space == NULL) /* it was the last header */
return 0;
}
else
space = tmp;
/* continue parsing... */
}
}
return 0; /* ok */
}
int
msg_handle_multiple_values (sip_t * sip, char *hname, char *hvalue)
{
int i;
char *ptr; /* current location of the search */
char *comma; /* This is the separator we are elooking for */
char *beg; /* beg of a header */
char *end; /* end of a header */
char *quote1; /* first quote of a pair of quotes */
char *quote2; /* second quuote of a pair of quotes */
beg = hvalue;
end = NULL;
ptr = hvalue;
if (hvalue == NULL)
{
i = msg_set_header (sip, hname, hvalue);
if (i == -1)
return -1;
return 0;
}
comma = strchr (ptr, ',');
stolowercase (hname);
if (comma == NULL || (strncmp (hname, "date", 4) == 0 && strlen (hname) == 4 )
|| strncmp (hname, "organization", 12) == 0 || (strncmp (hname, "to", 2) == 0 && strlen (hname) == 2) || (strncmp (hname, "from", 4) == 0 && strlen (hname) == 4) /* AMD: BUG fix */
|| strncmp (hname, "call-id", 7) == 0 || (strncmp (hname, "cseq", 4) == 0 && strlen (hname) == 4) /* AMD: BUG fix */
|| strncmp (hname, "subject", 7) == 0 || strncmp (hname, "user-agent", 10) == 0 || strncmp (hname, "server", 6) == 0 || strncmp (hname, "www-authenticate", 16) == 0 /* AMD: BUG fix */
|| strncmp (hname, "authentication-info", 19) == 0 || strncmp (hname, "proxy-authenticate", 20) == 0 || strncmp (hname, "proxy-authorization", 19) == 0 || strncmp (hname, "proxy-authentication-info", 25) == 0 /* AMD: BUG fix */
|| strncmp (hname, "authorization", 13) == 0)
/* there is no multiple header! likely */
/* to happen most of the time... */
/* or hname is a TEXT-UTF8-TRIM and may */
/* contain a comma. this is not a separator */
/* THIS DOES NOT WORK FOR UNKNOWN HEADER!!!! */
{
i = msg_set_header (sip, hname, hvalue);
if (i == -1)
return -1;
return 0;
}
quote2 = NULL;
while (comma != NULL)
{
quote1 = quote_find (ptr);
if (quote1 != NULL)
{
quote2 = quote_find (quote1 + 1);
if (quote2 == NULL)
return -1; /* quotes comes by pair */
ptr = quote2 + 1;
}
if ((quote1 == NULL) || (quote1 > comma))
{
end = comma;
comma = strchr (comma + 1, ',');
ptr = comma + 1;
}
else if ((quote1 < comma) && (quote2 < comma))
{ /* quotes are located before the comma, */
/* continue the search for next quotes */
ptr = quote2 + 1;
}
else if ((quote1 < comma) && (comma < quote2))
{ /* if comma is inside the quotes... */
/* continue with the next comma. */
ptr = quote2 + 1;
comma = strchr (ptr, ',');
if (comma == NULL)
/* this header last at the end of the line! */
{ /* this one does not need an allocation... */
if (strlen (beg) < 2)
return 0; /* empty header */
sclrspace (beg);
i = msg_set_header (sip, hname, beg);
if (i == -1)
return -1;
return 0;
}
}
if (end != NULL)
{
char *avalue;
if (end - beg + 1 < 2)
return -1;
avalue = (char *) smalloc (end - beg + 1);
sstrncpy (avalue, beg, end - beg);
sclrspace (avalue);
/* really store the header in the sip structure */
i = msg_set_header (sip, hname, avalue);
sfree (avalue);
if (i == -1)
return -1;
beg = end + 1;
end = NULL;
if (comma == NULL)
/* this header last at the end of the line! */
{ /* this one does not need an allocation... */
if (strlen (beg) < 2)
return 0; /* empty header */
sclrspace (beg);
i = msg_set_header (sip, hname, beg);
if (i == -1)
return -1;
return 0;
}
}
}
return -1; /* if comma is NULL, we should have already return 0 */
}
int
quoted_string_set (char *name, char *str, char **result, char **next)
{
*next = str;
if (*result != NULL)
return 0; /* already parsed */
*next = NULL;
while ((' ' == *str) || ('\t' == *str) || (',' == *str))
if (*str)
str++;
else
return -1; /* bad header format */
if (strlen (str) <= strlen (name))
return -1; /* bad header format... */
#if (!defined WIN32 && !defined _WIN32_WCE)
if (strncasecmp (name, str, strlen (name)) == 0)
#else
if (_strnicmp (name, str, strlen (name)) == 0)
#endif
{
char *quote1;
char *quote2;
char *tmp;
char *hack = strchr (str, '=');
while (' ' == *(hack - 1)) /* get rid of extra spaces */
hack--;
if ((size_t) (hack - str) != strlen (name))
{
*next = str;
return 0;
}
quote1 = quote_find (str);
if (quote1 == NULL)
return -1; /* bad header format... */
quote2 = quote_find (quote1 + 1);
if (quote2 == NULL)
return -1; /* bad header format... */
if (quote2 - quote1 == 1)
{
/* this is a special case! The quote contains nothing! */
/* example: Digest opaque="",cnonce="" */
/* in this case, we just forget the parameter... this */
/* this should prevent from user manipulating empty */
/* strings */
tmp = quote2 + 1; /* next element start here */
for (; *tmp == ' ' || *tmp == '\t'; tmp++)
{
}
for (; *tmp == '\n' || *tmp == '\r'; tmp++)
{
} /* skip LWS */
*next = NULL;
if (*tmp == '\0') /* end of header detected */
return 0;
if (*tmp != '\t' && *tmp != ' ')
/* LWS here ? */
*next = tmp;
else
{ /* it is: skip it... */
for (; *tmp == ' ' || *tmp == '\t'; tmp++)
{
}
if (*tmp == '\0') /* end of header detected */
return 0;
*next = tmp;
}
return 0;
}
*result = (char *) smalloc (quote2 - quote1 + 3);
if (*result == NULL)
return -1;
sstrncpy (*result, quote1, quote2 - quote1 + 1);
tmp = quote2 + 1; /* next element start here */
for (; *tmp == ' ' || *tmp == '\t'; tmp++)
{
}
for (; *tmp == '\n' || *tmp == '\r'; tmp++)
{
} /* skip LWS */
*next = NULL;
if (*tmp == '\0') /* end of header detected */
return 0;
if (*tmp != '\t' && *tmp != ' ')
/* LWS here ? */
*next = tmp;
else
{ /* it is: skip it... */
for (; *tmp == ' ' || *tmp == '\t'; tmp++)
{
}
if (*tmp == '\0') /* end of header detected */
return 0;
*next = tmp;
}
}
else
*next = str; /* wrong header asked! */
return 0;
}
/* TODO:
digest-challenge tken has no order preference??
verify many situations (extra SP....)
*/
int
www_authenticate_parse (www_authenticate_t * wwwa, char *hvalue)
{
char *space = NULL;
char *next = NULL;
space = strchr (hvalue, ' '); /* SEARCH FOR SPACE */
if (space == NULL)
return -1;
if (space - hvalue + 1 < 2)
return -1;
wwwa->auth_type = (char *) smalloc (space - hvalue + 1);
if (wwwa->auth_type == NULL)
return -1;
sstrncpy (wwwa->auth_type, hvalue, space - hvalue);
for (;;)
{
int parse_ok = 0;
if (quoted_string_set ("realm", space, &(wwwa->realm), &next))
return -1;
if (next == NULL)
return 0; /* end of header detected! */
else if (next != space)
{
space = next;
parse_ok++;
}
if (quoted_string_set ("domain", space, &(wwwa->domain), &next))
return -1;
if (next == NULL)
return 0; /* end of header detected! */
else if (next != space)
{
space = next;
parse_ok++;
}
if (quoted_string_set ("nonce", space, &(wwwa->nonce), &next))
return -1;
if (next == NULL)
return 0; /* end of header detected! */
else if (next != space)
{
space = next;
parse_ok++;
}
if (quoted_string_set ("opaque", space, &(wwwa->opaque), &next))
return -1;
if (next == NULL)
return 0; /* end of header detected! */
else if (next != space)
{
space = next;
parse_ok++;
}
if (token_set ("stale", space, &(wwwa->stale), &next))
return -1;
if (next == NULL)
return 0; /* end of header detected! */
else if (next != space)
{
space = next;
parse_ok++;
}
if (token_set ("algorithm", space, &(wwwa->algorithm), &next))
return -1;
if (next == NULL)
return 0; /* end of header detected! */
else if (next != space)
{
space = next;
parse_ok++;
}
if (quoted_string_set ("qop", space, &(wwwa->qop_options), &next))
return -1;
if (next == NULL)
return 0; /* end of header detected! */
else if (next != space)
{
space = next;
parse_ok++;
}
if (0 == parse_ok)
{
char *quote1, *quote2, *tmp;
/* CAUTION */
/* parameter not understood!!! I'm too lazy to handle IT */
/* let's simply bypass it */
if (strlen (space) < 1)
return 0;
tmp = strchr (space + 1, ',');
if (tmp == NULL) /* it was the last header */
return 0;
quote1 = quote_find (space);
if ((quote1 != NULL) && (quote1 < tmp)) /* this may be a quoted string! */
{
quote2 = quote_find (quote1 + 1);
if (quote2 == NULL)
return -1; /* bad header format... */
if (tmp < quote2) /* the comma is inside the quotes! */
space = strchr (quote2, ',');
else
space = tmp;
if (space == NULL) /* it was the last header */
return 0;
}
else
space = tmp;
/* continue parsing... */
}
}
return 0; /* ok */
}