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authorNils Gillmann <ng0@n0.is>2018-08-05 10:00:26 +0000
committerNils Gillmann <ng0@n0.is>2018-08-05 10:00:26 +0000
commite811856677be94017c4d2bb333830a7f743649a6 (patch)
tree1483daf2649cd4da1db8b10218c5756965839512 /lib/tftp.c
parentcb5937f5c0669fee3f8c3d4e1f9d640f592d91fa (diff)
parenteb8138405a3f747f2c236464932f72e918946f68 (diff)
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Merge tag 'curl-7_61_0'
curl 7.61.0 Signed-off-by: Nils Gillmann <ng0@n0.is>
Diffstat (limited to 'lib/tftp.c')
-rw-r--r--lib/tftp.c21
1 files changed, 11 insertions, 10 deletions
diff --git a/lib/tftp.c b/lib/tftp.c
index 74ec0ac90..fb5aab054 100644
--- a/lib/tftp.c
+++ b/lib/tftp.c
@@ -451,7 +451,6 @@ static CURLcode tftp_send_first(tftp_state_data_t *state, tftp_event_t event)
ssize_t senddata;
const char *mode = "octet";
char *filename;
- char buf[64];
struct Curl_easy *data = state->conn->data;
CURLcode result = CURLE_OK;
@@ -504,6 +503,7 @@ static CURLcode tftp_send_first(tftp_state_data_t *state, tftp_event_t event)
/* optional addition of TFTP options */
if(!data->set.tftp_no_options) {
+ char buf[64];
/* add tsize option */
if(data->set.upload && (data->state.infilesize != -1))
snprintf(buf, sizeof(buf), "%" CURL_FORMAT_CURL_OFF_T,
@@ -710,7 +710,6 @@ static CURLcode tftp_tx(tftp_state_data_t *state, tftp_event_t event)
{
struct Curl_easy *data = state->conn->data;
ssize_t sbytes;
- int rblock;
CURLcode result = CURLE_OK;
struct SingleRequest *k = &data->req;
int cb; /* Bytes currently read */
@@ -721,7 +720,7 @@ static CURLcode tftp_tx(tftp_state_data_t *state, tftp_event_t event)
case TFTP_EVENT_OACK:
if(event == TFTP_EVENT_ACK) {
/* Ack the packet */
- rblock = getrpacketblock(&state->rpacket);
+ int rblock = getrpacketblock(&state->rpacket);
if(rblock != state->block &&
/* There's a bug in tftpd-hpa that causes it to send us an ack for
@@ -969,7 +968,7 @@ static CURLcode tftp_disconnect(struct connectdata *conn, bool dead_connection)
static CURLcode tftp_connect(struct connectdata *conn, bool *done)
{
tftp_state_data_t *state;
- int blksize, rc;
+ int blksize;
blksize = TFTP_BLKSIZE_DEFAULT;
@@ -1028,8 +1027,8 @@ static CURLcode tftp_connect(struct connectdata *conn, bool *done)
* assume uses the same IP version and thus hopefully this works for both
* IPv4 and IPv6...
*/
- rc = bind(state->sockfd, (struct sockaddr *)&state->local_addr,
- conn->ip_addr->ai_addrlen);
+ int rc = bind(state->sockfd, (struct sockaddr *)&state->local_addr,
+ conn->ip_addr->ai_addrlen);
if(rc) {
failf(conn->data, "bind() failed; %s",
Curl_strerror(conn, SOCKERRNO));
@@ -1148,8 +1147,11 @@ static CURLcode tftp_receive_packet(struct connectdata *conn)
case TFTP_EVENT_ERROR:
{
unsigned short error = getrpacketblock(&state->rpacket);
+ char *str = (char *)state->rpacket.data + 4;
+ size_t strn = state->rbytes - 4;
state->error = (tftp_error_t)error;
- infof(data, "%s\n", (const char *)state->rpacket.data + 4);
+ if(Curl_strnlen(str, strn) < strn)
+ infof(data, "TFTP error: %s\n", str);
break;
}
case TFTP_EVENT_ACK:
@@ -1221,7 +1223,6 @@ static long tftp_state_timeout(struct connectdata *conn, tftp_event_t *event)
**********************************************************/
static CURLcode tftp_multi_statemach(struct connectdata *conn, bool *done)
{
- int rc;
tftp_event_t event;
CURLcode result = CURLE_OK;
struct Curl_easy *data = conn->data;
@@ -1245,7 +1246,7 @@ static CURLcode tftp_multi_statemach(struct connectdata *conn, bool *done)
}
else {
/* no timeouts to handle, check our socket */
- rc = SOCKET_READABLE(state->sockfd, 0);
+ int rc = SOCKET_READABLE(state->sockfd, 0);
if(rc == -1) {
/* bail out */
@@ -1368,7 +1369,6 @@ static CURLcode tftp_setup_connection(struct connectdata * conn)
{
struct Curl_easy *data = conn->data;
char *type;
- char command;
conn->socktype = SOCK_DGRAM; /* UDP datagram based */
@@ -1380,6 +1380,7 @@ static CURLcode tftp_setup_connection(struct connectdata * conn)
type = strstr(conn->host.rawalloc, ";mode=");
if(type) {
+ char command;
*type = 0; /* it was in the middle of the hostname */
command = Curl_raw_toupper(type[6]);