/*
* RFC3617 handling of TFTP URIs:
*
* tftpURI = "tftp://" host "/" file [ mode ]
* mode = ";" "mode=" ( "netascii" / "octet" )
* file = *( unreserved / escaped )
* host = <as specified by RFC 2732>
* unreserved = <as specified in RFC 2396>
* escaped = <as specified in RFC 2396>
*
* We are cheating a little bit by allowing any mode as specified in the
* modes table defined earlier on in this file and mapping it on the real
* mode.
*/
static void
urihandling(char *URI)
{
char uri[ARG_MAX];
char *host = NULL;
char *path = NULL;
char *opts = NULL;
const char *tmode = "octet";
char *s;
char line[MAXLINE];
int i;
strncpy(uri, URI, ARG_MAX);
host = uri + 7;
if ((s = strchr(host, '/')) == NULL) {
fprintf(stderr,
"Invalid URI: Couldn't find / after hostname\n");
exit(1);
}
*s = '\0';
path = s + 1;
if ((s = strchr(path, ';')) != NULL) {
*s = '\0';
opts = s + 1;
if (strncmp(opts, "mode=", 5) == 0) {
tmode = opts;
tmode += 5;
for (i = 0; modes[i].m_name != NULL; i++) {
if (strcmp(modes[i].m_name, tmode) == 0)
break;
}
if (modes[i].m_name == NULL) {
fprintf(stderr, "Invalid mode: '%s'\n", mode);
exit(1);
}
settftpmode(modes[i].m_mode);
}
} else {
settftpmode("octet");
}
setpeer0(host, NULL);
sprintf(line, "get %s", path);
makeargv(line);
get(margc, margv);
}
static void
modecmd(int argc, char *argv[])
{
struct modes *p;
const char *sep;
if (argc < 2) {
printf("Using %s mode to transfer files.\n", mode);
return;
}
if (argc == 2) {
for (p = modes; p->m_name; p++)
if (strcmp(argv[1], p->m_name) == 0)
break;
if (p->m_name) {
settftpmode(p->m_mode);
return;
}
printf("%s: unknown mode\n", argv[1]);
/* drop through and print usage message */
}
printf("usage: %s [", argv[0]);
sep = " ";
for (p = modes; p->m_name != NULL; p++) {
printf("%s%s", sep, p->m_name);
if (*sep == ' ')
sep = " | ";
}
printf(" ]\n");
return;
}
/* ARGSUSED */
void
setascii(int argc, char *argv[])
{
settftpmode("netascii");
}
/* ARGSUSED */
void
setbinary(int argc, char *argv[])
{
settftpmode("octet");
}
void setascii (int argc, char *argv[])
{
(void) argc;
(void) argv; /* Quiet unused warning */
settftpmode (MODE_NETASCII);
}
void setbinary (int argc, char *argv[])
{
(void) argc;
(void) argv; /* Quiet unused warning */
settftpmode (MODE_OCTET);
}
