void requestpty(Conn *c) { char *term; int nrow, ncol, width, height; Msg *m; m = allocmsg(c, SSH_CMSG_REQUEST_PTY, 1024); if((term = getenv("TERM")) == nil) term = "9term"; putstring(m, term); readgeom(&nrow, &ncol, &width, &height); putlong(m, nrow); /* characters */ putlong(m, ncol); putlong(m, width); /* pixels */ putlong(m, height); if(rawhack) putbytes(m, rawptyopt, sizeof rawptyopt); else putbytes(m, ptyopt, sizeof ptyopt); sendmsg(m); m = recvmsg(c, 0); switch(m->type){ case SSH_SMSG_SUCCESS: debug(DBG_IO, "PTY allocated\n"); break; case SSH_SMSG_FAILURE: debug(DBG_IO, "PTY allocation failed\n"); break; default: badmsg(m, 0); } free(m); }
void winchanges(Conn *c) { int nrow, ncol, width, height; int pid; switch(pid = rfork(RFMEM|RFPROC|RFNOWAIT)){ case -1: error("fork: %r"); case 0: break; default: atexitkill(pid); return; } for(;;){ if(readgeom(&nrow, &ncol, &width, &height) < 0) break; sendwindowsize(c, nrow, ncol, width, height); } exits(nil); }
/* * prtvtoc(): Read and print a VTOC. */ static int prtvtoc(char *devname) { int fd; int idx; freemap_t *freemap; struct stat sb; struct extvtoc vtoc; int geo; struct dk_geom geom; char *name; int newvtoc = 0; struct dk_gpt *efi; name = getfullrawname(devname); if (name == NULL) return (warn(devname, "internal administrative call (getfullrawname) failed")); if (strcmp(name, "") == 0) name = devname; if ((fd = open(name, O_NONBLOCK|O_RDONLY)) < 0) return (warn(name, strerror(errno))); if (fstat(fd, &sb) < 0) return (warn(name, strerror(errno))); if ((sb.st_mode & S_IFMT) != S_IFCHR) return (warn(name, "Not a raw device")); geo = (readgeom(fd, name, &geom) == 0); if (geo) { if ((idx = readvtoc(fd, name, &vtoc)) == VT_ENOTSUP) { idx = (readefi(fd, name, &efi) == 0); newvtoc = 1; } else idx = (idx == 0); } (void) close(fd); if ((!geo) || (!idx)) return (-1); if (!newvtoc) freemap = findfree(&geom, &vtoc); else freemap = findfree64(efi); if (fflag) { if (!newvtoc) putfree(&vtoc, freemap); else putfree64(efi, freemap); } else { if (!newvtoc) puttable(&geom, &vtoc, freemap, devname, getmntpt(major(sb.st_rdev), noparttn(minor(sb.st_rdev)))); else puttable64(efi, freemap, devname, getmntpt(major(sb.st_rdev), noparttn(minor(sb.st_rdev)))); } if (newvtoc) efi_free(efi); return (0); }