ref: bc8eb6ef45d6831975606eb9932c6e72dd470b82
dir: /sys/src/libc/9sys/pushssl.c/
#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[32]; 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; snprint(dname, sizeof(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; }