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degesch: parse user@host from RPL_WELCOME

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Přemysl Eric Janouch 2015-04-22 21:59:50 +02:00
parent a7ccdc78be
commit f2a2206e49
1 changed files with 38 additions and 0 deletions
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38
degesch.c
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@ -2256,6 +2256,39 @@ irc_handler_cmp_by_name (const void *a, const void *b)
return strcasecmp_ascii (first->name, second->name);
}
static bool
irc_try_parse_word_for_userhost (struct app_context *ctx, const char *word)
{
regex_t re;
int err = regcomp (&re, "^[^!@]+!([^!@]+@[^!@]+)$", REG_EXTENDED);
if (!soft_assert (!err))
return false;
regmatch_t matches[2];
bool result = false;
if (!regexec (&re, word, 2, matches, 0))
{
free (ctx->irc_user_host);
ctx->irc_user_host = xstrndup (word + matches[1].rm_so,
matches[1].rm_eo - matches[1].rm_so);
result = true;
}
regfree (&re);
return result;
}
static void
irc_try_parse_welcome_for_userhost (struct app_context *ctx, const char *m)
{
struct str_vector v;
str_vector_init (&v);
split_str_ignore_empty (m, ' ', &v);
for (size_t i = 0; i < v.len; i++)
if (irc_try_parse_word_for_userhost (ctx, v.vector[i]))
break;
str_vector_free (&v);
}
static void
irc_process_numeric (struct app_context *ctx,
const struct irc_message *msg, unsigned long numeric)
@ -2279,6 +2312,11 @@ irc_process_numeric (struct app_context *ctx,
switch (numeric)
{
case IRC_RPL_WELCOME:
// We still issue a USERHOST anyway as this is in general unreliable
if (msg->params.len == 1)
irc_try_parse_welcome_for_userhost (ctx, msg->params.vector[0]);
break;
case IRC_RPL_ISUPPORT:
// TODO: parse this, mainly PREFIX; see
// http://www.irc.org/tech_docs/draft-brocklesby-irc-isupport-03.txt