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- #include <u.h>
- #include <libc.h>
- /*
- * Since the SSL device uses decimal file descriptors to name channels,
- * it is impossible for a user-level file server to stand in for the kernel device.
- * Thus we hard-code #D rather than use /net/ssl.
- */
- int
- pushssl(int fd, char *alg, char *secin, char *secout, int *cfd)
- {
- char buf[8];
- char dname[64];
- int n, data, ctl;
- ctl = open("#D/ssl/clone", ORDWR);
- if(ctl < 0)
- return -1;
- n = read(ctl, buf, sizeof(buf)-1);
- if(n < 0)
- goto error;
- buf[n] = 0;
- sprint(dname, "#D/ssl/%s/data", buf);
- data = open(dname, ORDWR);
- if(data < 0)
- goto error;
- if(fprint(ctl, "fd %d", fd) < 0 ||
- fprint(ctl, "secretin %s", secin) < 0 ||
- fprint(ctl, "secretout %s", secout) < 0 ||
- fprint(ctl, "alg %s", alg) < 0){
- close(data);
- goto error;
- }
- close(fd);
- if(cfd != 0)
- *cfd = ctl;
- else
- close(ctl);
- return data;
- error:
- close(ctl);
- return -1;
- }
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