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comparison netio.c @ 1801:4983a6bc1f51

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fuzz: fix crash in newtcpdirect(), don't close the channel too early
author Matt Johnston <matt@ucc.asn.au>
date Fri, 05 Mar 2021 22:51:11 +0800
parents f680a19bd559
children 6022df862942
comparison
equal deleted inserted replaced
1800:c584b5602bd8 1801:4983a6bc1f51
177 { 177 {
178 struct dropbear_progress_connection *c = NULL; 178 struct dropbear_progress_connection *c = NULL;
179 int err; 179 int err;
180 struct addrinfo hints; 180 struct addrinfo hints;
181 181
182 #if DROPBEAR_FUZZ
183 if (fuzz.fuzzing) {
184 return fuzz_connect_remote(remotehost, remoteport, cb, cb_data, bind_address, bind_port);
185 }
186 #endif
187
188 c = m_malloc(sizeof(*c)); 182 c = m_malloc(sizeof(*c));
189 c->remotehost = m_strdup(remotehost); 183 c->remotehost = m_strdup(remotehost);
190 c->remoteport = m_strdup(remoteport); 184 c->remoteport = m_strdup(remoteport);
191 c->sock = -1; 185 c->sock = -1;
192 c->cb = cb; 186 c->cb = cb;
193 c->cb_data = cb_data; 187 c->cb_data = cb_data;
194 188
195 list_append(&ses.conn_pending, c); 189 list_append(&ses.conn_pending, c);
190
191 #if DROPBEAR_FUZZ
192 if (fuzz.fuzzing) {
193 c->errstring = m_strdup("fuzzing connect_remote always fails");
194 return c;
195 }
196 #endif
196 197
197 memset(&hints, 0, sizeof(hints)); 198 memset(&hints, 0, sizeof(hints));
198 hints.ai_socktype = SOCK_STREAM; 199 hints.ai_socktype = SOCK_STREAM;
199 hints.ai_family = AF_UNSPEC; 200 hints.ai_family = AF_UNSPEC;
200 201