Revision 78be0566
| b/slirp/tftp.c | ||
|---|---|---|
| 37 | 37 |
|
| 38 | 38 |
static void tftp_session_terminate(struct tftp_session *spt) |
| 39 | 39 |
{
|
| 40 |
if (spt->fd >= 0) {
|
|
| 41 |
close(spt->fd); |
|
| 42 |
spt->fd = -1; |
|
| 43 |
} |
|
| 40 | 44 |
g_free(spt->filename); |
| 41 | 45 |
spt->slirp = NULL; |
| 42 | 46 |
} |
| ... | ... | |
| 54 | 58 |
|
| 55 | 59 |
/* sessions time out after 5 inactive seconds */ |
| 56 | 60 |
if ((int)(curtime - spt->timestamp) > 5000) {
|
| 57 |
g_free(spt->filename);
|
|
| 61 |
tftp_session_terminate(spt);
|
|
| 58 | 62 |
goto found; |
| 59 | 63 |
} |
| 60 | 64 |
} |
| ... | ... | |
| 64 | 68 |
found: |
| 65 | 69 |
memset(spt, 0, sizeof(*spt)); |
| 66 | 70 |
memcpy(&spt->client_ip, &tp->ip.ip_src, sizeof(spt->client_ip)); |
| 71 |
spt->fd = -1; |
|
| 67 | 72 |
spt->client_port = tp->udp.uh_sport; |
| 68 | 73 |
spt->slirp = slirp; |
| 69 | 74 |
|
| ... | ... | |
| 95 | 100 |
static int tftp_read_data(struct tftp_session *spt, uint16_t block_nr, |
| 96 | 101 |
uint8_t *buf, int len) |
| 97 | 102 |
{
|
| 98 |
int fd; |
|
| 99 |
int bytes_read = 0; |
|
| 100 |
|
|
| 101 |
fd = open(spt->filename, O_RDONLY | O_BINARY); |
|
| 103 |
int bytes_read = 0; |
|
| 102 | 104 |
|
| 103 |
if (fd < 0) {
|
|
| 104 |
return -1;
|
|
| 105 |
} |
|
| 105 |
if (spt->fd < 0) {
|
|
| 106 |
spt->fd = open(spt->filename, O_RDONLY | O_BINARY);
|
|
| 107 |
}
|
|
| 106 | 108 |
|
| 107 |
if (len) {
|
|
| 108 |
lseek(fd, block_nr * 512, SEEK_SET); |
|
| 109 |
if (spt->fd < 0) {
|
|
| 110 |
return -1; |
|
| 111 |
} |
|
| 109 | 112 |
|
| 110 |
bytes_read = read(fd, buf, len);
|
|
| 111 |
}
|
|
| 113 |
if (len) {
|
|
| 114 |
lseek(spt->fd, block_nr * 512, SEEK_SET);
|
|
| 112 | 115 |
|
| 113 |
close(fd); |
|
| 116 |
bytes_read = read(spt->fd, buf, len); |
|
| 117 |
} |
|
| 114 | 118 |
|
| 115 |
return bytes_read; |
|
| 119 |
return bytes_read;
|
|
| 116 | 120 |
} |
| 117 | 121 |
|
| 118 | 122 |
static int tftp_send_oack(struct tftp_session *spt, |
| b/slirp/tftp.h | ||
|---|---|---|
| 33 | 33 |
struct tftp_session {
|
| 34 | 34 |
Slirp *slirp; |
| 35 | 35 |
char *filename; |
| 36 |
int fd; |
|
| 36 | 37 |
|
| 37 | 38 |
struct in_addr client_ip; |
| 38 | 39 |
uint16_t client_port; |
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