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authorPřemysl Janouch <p.janouch@gmail.com>2015-04-22 21:59:50 +0200
committerPřemysl Janouch <p.janouch@gmail.com>2015-04-22 21:59:50 +0200
commitf2a2206e49627f81918df89ef682d56736177ad6 (patch)
treed7e3b4d1fae4ea8543c94575c027878a8e5612ca
parenta7ccdc78bec660f8173a31242ccad029018f9b6f (diff)
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degesch: parse user@host from RPL_WELCOME
-rw-r--r--degesch.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/degesch.c b/degesch.c
index 5ed9dc8..a5443f5 100644
--- a/degesch.c
+++ b/degesch.c
@@ -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