diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/ipcpd/udp/main.c | 54 |
1 files changed, 37 insertions, 17 deletions
diff --git a/src/ipcpd/udp/main.c b/src/ipcpd/udp/main.c index 3a661807..6a350da0 100644 --- a/src/ipcpd/udp/main.c +++ b/src/ipcpd/udp/main.c @@ -112,6 +112,15 @@ static int udp_data_init(void) { int i; + if (pthread_rwlock_init(&udp_data.flows_lock, NULL)) + return -1; + + if (pthread_cond_init(&udp_data.fd_set_cond, NULL)) + goto fail_set_cond; + + if (pthread_mutex_init(&udp_data.fd_set_lock, NULL)) + goto fail_set_lock; + for (i = 0; i < FD_SETSIZE; ++i) udp_data.uf_to_fd[i] = -1; @@ -124,26 +133,28 @@ static int udp_data_init(void) udp_data.np1_flows = fset_create(); if (udp_data.np1_flows == NULL) - return -ENOMEM; + goto fail_fset; udp_data.fq = fqueue_create(); - if (udp_data.fq == NULL) { - fset_destroy(udp_data.np1_flows); - return -ENOMEM; - } + if (udp_data.fq == NULL) + goto fail_fqueue; udp_data.shim_data = shim_data_create(); - if (udp_data.shim_data == NULL) { - fqueue_destroy(udp_data.fq); - fset_destroy(udp_data.np1_flows); - return -ENOMEM; - } - - pthread_rwlock_init(&udp_data.flows_lock, NULL); - pthread_cond_init(&udp_data.fd_set_cond, NULL); - pthread_mutex_init(&udp_data.fd_set_lock, NULL); + if (udp_data.shim_data == NULL) + goto fail_data; return 0; + fail_data: + fqueue_destroy(udp_data.fq); + fail_fqueue: + fset_destroy(udp_data.np1_flows); + fail_fset: + pthread_mutex_destroy(&udp_data.fd_set_lock); + fail_set_lock: + pthread_cond_destroy(&udp_data.fd_set_cond); + fail_set_cond: + pthread_rwlock_destroy(&udp_data.flows_lock); + return -1; } static void udp_data_fini(void) @@ -315,6 +326,7 @@ static int ipcp_udp_port_req(struct sockaddr_in * c_saddr, if (ipcp_get_state() != IPCP_OPERATIONAL) { log_dbg("Won't allocate over non-operational IPCP."); pthread_mutex_unlock(&ipcpi.alloc_lock); + close(skfd); return -1; } @@ -375,6 +387,11 @@ static int ipcp_udp_port_alloc_reply(uint16_t src_udp_port, pthread_rwlock_rdlock(&udp_data.flows_lock); fd = udp_port_to_fd(dst_udp_port); + if (fd < 0) { + pthread_rwlock_unlock(&udp_data.flows_lock); + return -1; + } + skfd = udp_data.fd_to_uf[fd].skfd; pthread_rwlock_unlock(&udp_data.flows_lock); @@ -421,9 +438,9 @@ static void * ipcp_udp_listener(void * o) struct mgmt_msg * msg = NULL; memset(&buf, 0, SHIM_UDP_MSG_SIZE); - n = sizeof(c_saddr); n = recvfrom(sfd, buf, SHIM_UDP_MSG_SIZE, 0, - (struct sockaddr *) &c_saddr, (unsigned *) &n); + (struct sockaddr *) &c_saddr, + (socklen_t *) sizeof(c_saddr)); if (n < 0) continue; @@ -757,7 +774,8 @@ static uint32_t ddns_resolve(char * name, close(pipe_fd[0]); waitpid(pid, &wstatus, 0); - if (WIFEXITED(wstatus) && WEXITSTATUS(wstatus) == 0) + if (WIFEXITED(wstatus) && WEXITSTATUS(wstatus) == 0 && + count != SHIM_UDP_BUF_SIZE) log_dbg("Succesfully communicated with nslookup."); else log_err("Failed to resolve DNS address."); @@ -968,6 +986,8 @@ static int ipcp_udp_flow_alloc(int fd, } skfd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP); + if (skfd < 0) + return -1; /* this socket is for the flow */ memset((char *) &f_saddr, 0, sizeof(f_saddr)); |