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Support running the TFTP client from the command line

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This commit is contained in:
hpa 2003-02-03 01:29:00 +00:00
parent cabc969c25
commit 8796832723
3 changed files with 108 additions and 57 deletions
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5
CHANGES
View file

@ -7,6 +7,11 @@ Changes in 0.33:
Configuration fix: readline needs termcap.
Support running the tftp client from the command line. For
example:
tftp -m binary -c get hostname:file
Changes in 0.32:
Better error messages; including the capability to send a

152
tftp/main.c
View file

@ -186,70 +186,110 @@ char *xstrdup(const char *);
int
main(int argc, char *argv[])
{
struct sockaddr_in s_in;
int c;
int pargc;
char **pargv;
struct sockaddr_in s_in;
int o;
int pargc;
int iscmd = 0;
char **pargv;
while ((c = getopt(argc, argv, "Vv")) != -1) {
switch (c) {
case 'v':
verbose = 1;
mode = MODE_DEFAULT;
while ((o = getopt(argc, argv, "chm:Vv")) != -1) {
switch (o) {
case 'v':
verbose = 1;
break;
case 'V':
/* Print version and configuration to stdout and exit */
printf("%s\n", TFTP_CONFIG_STR);
exit(0);
case 'm':
{
const struct modes *p;
for ( p = modes ; p->m_name ; p++ ) {
if (!strcmp(optarg, p->m_name))
break;
case 'V':
/* Print version and configuration to stdout and exit */
printf("%s\n", TFTP_CONFIG_STR);
exit(0);
default:
fprintf(stderr, "Usage: %s [-v] [host]\n", argv[0]);
exit(EX_USAGE);
}
}
if (p->m_name) {
settftpmode(p);
} else {
fprintf(stderr, "%s: invalid mode: %s\n", argv[0], optarg);
exit(EX_USAGE);
}
}
break;
case 'c':
iscmd = 1;
break;
case 'h':
default:
fprintf(stderr, "Usage: %s [-v][-m mode] [-c command|host]\n", argv[0]);
exit(o == 'h' ? 0 : EX_USAGE);
}
}
pargc = argc - (optind-1);
pargv = argv + (optind-1);
sp = getservbyname("tftp", "udp");
if (sp == 0) {
/* Use canned values */
if (verbose)
fprintf(stderr, "tftp: tftp/udp: unknown service, faking it...\n");
sp = xmalloc(sizeof(struct servent));
sp->s_name = (char *)"tftp";
sp->s_aliases = NULL;
sp->s_port = htons(IPPORT_TFTP);
sp->s_proto = (char *)"udp";
}
port = sp->s_port; /* Default port */
f = socket(AF_INET, SOCK_DGRAM, 0);
if (f < 0) {
perror("tftp: socket");
exit(EX_OSERR);
}
bzero((char *)&s_in, sizeof (s_in));
s_in.sin_family = AF_INET;
if (bind(f, (struct sockaddr *)&s_in, sizeof (s_in)) < 0) {
perror("tftp: bind");
exit(EX_OSERR);
}
bsd_signal(SIGINT, intr);
if (pargc > 1) {
if ( iscmd ) {
/* -c specified; execute command and exit */
struct cmd *c;
pargc = argc - (optind-1);
pargv = argv + (optind-1);
sp = getservbyname("tftp", "udp");
if (sp == 0) {
/* Use canned values */
fprintf(stderr, "tftp: tftp/udp: unknown service, faking it...\n");
sp = xmalloc(sizeof(struct servent));
sp->s_name = (char *)"tftp";
sp->s_aliases = NULL;
sp->s_port = htons(IPPORT_TFTP);
sp->s_proto = (char *)"udp";
exit(1);
}
f = socket(AF_INET, SOCK_DGRAM, 0);
if (f < 0) {
perror("tftp: socket");
exit(3);
}
bzero((char *)&s_in, sizeof (s_in));
s_in.sin_family = AF_INET;
if (bind(f, (struct sockaddr *)&s_in, sizeof (s_in)) < 0) {
perror("tftp: bind");
exit(1);
}
mode = MODE_DEFAULT;
bsd_signal(SIGINT, intr);
if (pargc > 1) {
if (sigsetjmp(toplevel,1) != 0)
exit(0);
setpeer(pargc, pargv);
}
if (sigsetjmp(toplevel,1) != 0)
(void)putchar('\n');
if (sigsetjmp(toplevel,1) != 0)
exit(EX_UNAVAILABLE);
c = getcmd(pargv[1]);
if ( c == (struct cmd *)-1 || c == (struct cmd *)0 ) {
fprintf(stderr, "%s: invalid command: %s\n", argv[0], pargv[1]);
exit(EX_USAGE);
}
(*c->handler)(pargc-1, pargv+1);
exit(0);
} else {
/* No -c */
if (sigsetjmp(toplevel,1) != 0)
exit(0);
setpeer(pargc, pargv);
}
}
if (sigsetjmp(toplevel,1) != 0)
(void)putchar('\n');
#ifdef WITH_READLINE
#ifdef HAVE_READLINE_HISTORY_H
using_history();
using_history();
#endif
#endif
command();
return 0; /* Never reached */
command();
return 0; /* Never reached */
}
char *hostname;
@ -438,7 +478,7 @@ put(int argc, char *argv[])
herror((char *)NULL);
return;
}
bcopy(hp->h_addr, (caddr_t)&peeraddr.sin_addr, hp->h_length);
bcopy(hp->h_addr, &peeraddr.sin_addr, hp->h_length);
peeraddr.sin_family = hp->h_addrtype;
connected = 1;
hostname = xstrdup(hp->h_name);

8
tftp/tftp.1.in
View file

@ -31,7 +31,7 @@
.\" SUCH DAMAGE.
.\"
.\"----------------------------------------------------------------------- */
.TH TFTP 1 "13 November 2001" "tftp-hpa @@VERSION@@" "UNIX User's Manual"
.TH TFTP 1 "2 February 2003" "tftp-hpa @@VERSION@@" "User's Manual"
.SH NAME
.B tftp
\- IPv4 Trivial File Transfer Protocol client
@ -55,6 +55,12 @@ as the default host for future transfers (see the
command below.)
.SH OPTIONS
.TP
\fB\-c\fP \fIcommand\fP
Execute \fIcommand\fP as if it had been entered on the tftp prompt.
.TP
\fB\-m\fP \fImode\fP
Set the default transfer mode to \fImode\fP. This is usually used with \-c.
.TP
.B \-v
Default to verbose mode.
.TP