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rx: rcpu service support

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This commit is contained in:
cinap_lenrek 2016-02-14 05:37:55 +01:00
parent fde5906b30
commit 373723d4f6
1 changed files with 51 additions and 9 deletions
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60
sys/src/cmd/rx.c
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@ -1,6 +1,7 @@
#include <u.h>
#include <libc.h>
#include <auth.h>
#include <libsec.h>
int eof; /* send an eof if true */
int crtonl; /* convert all received \r to \n */
@ -9,7 +10,8 @@ char *note = "die: yankee dog";
char *ruser; /* for BSD authentication */
char *key;
void rex(int, char*, char*);
void rex(int, char*);
void rcpu(int, char*);
void tcpexec(int, char*, char*);
int call(char *, char*, char*, char**);
char *buildargs(char*[]);
@ -30,6 +32,8 @@ main(int argc, char *argv[])
char *host, *addr, *args;
int fd;
quotefmtinstall();
key = "";
eof = 1;
crtonl = 0;
@ -59,9 +63,12 @@ main(int argc, char *argv[])
host = argv[0];
args = buildargs(&argv[1]);
fd = call(0, host, "rcpu", &addr);
if(fd >= 0)
rcpu(fd, args);
fd = call(0, host, "rexexec", &addr);
if(fd >= 0)
rex(fd, args, "p9any");
rex(fd, args);
close(fd);
/* if there's an ssh port, try that */
@ -89,18 +96,53 @@ call(char *net, char *host, char *service, char **na)
}
void
rex(int fd, char *cmd, char *proto)
rcpu(int fd, char *cmd)
{
char buf[4096];
int kid, n;
TLSconn *conn;
AuthInfo *ai;
ai = auth_proxy(fd, auth_getkey, "proto=p9any role=client %s", key);
if(ai == nil)
error("auth_proxy", nil);
conn = (TLSconn*)mallocz(sizeof *conn, 1);
conn->pskID = "p9secret";
conn->psk = ai->secret;
conn->psklen = ai->nsecret;
fd = tlsClient(fd, conn);
if(fd < 0)
error("tlsClient", nil);
auth_freeAI(ai);
cmd = smprint("service=rx exec rc -lc %q\n", cmd);
if(fprint(fd, "%7ld\n%s", strlen(cmd), cmd) < 0)
error("write", nil);
free(cmd);
kid = send(fd);
while((n=read(fd, buf, sizeof buf))>0)
if(write(1, buf, n)!=n)
error("write error", 0);
sleep(250);
postnote(PNPROC, kid, note);/**/
exits(0);
}
void
rex(int fd, char *cmd)
{
char buf[4096];
int kid, n;
AuthInfo *ai;
ai = auth_proxy(fd, auth_getkey, "proto=%s role=client %s", proto, key);
if(ai == nil){
if(strcmp(proto, "p9any") == 0)
return;
ai = auth_proxy(fd, auth_getkey, "proto=p9any role=client %s", key);
if(ai == nil)
error("auth_proxy", nil);
}
auth_freeAI(ai);
write(fd, cmd, strlen(cmd)+1);
kid = send(fd);
@ -222,7 +264,7 @@ send(int fd)
void
error(char *s, char *z)
{
if(z == 0)
if(z == nil)
fprint(2, "%s: %s: %r\n", argv0, s);
else
fprint(2, "%s: %s %s: %r\n", argv0, s, z);