#include #include #include <../boot/boot.h> static char diskname[64]; static char *disk; static char **args; void configlocal(Method *mp) { char *p; int n; if(*sys == '/' || *sys == '#'){ /* * if the user specifies the disk in the boot cmd or * 'root is from' prompt, use it */ disk = sys; } else if(strncmp(argv0, "dksc(0,", 7) == 0){ /* * on many mips arg0 of the boot command specifies the * scsi logical unit number */ p = strchr(argv0, ','); n = strtoul(p+1, 0, 10); sprint(diskname, "#w%d/sd%dfs", n, n); disk = diskname; } else if(mp->arg){ /* * a default is supplied when the kernel is made */ disk = mp->arg; } else if(*bootdisk){ /* * an environment variable from a pc's plan9.ini or * from the mips nvram or generated by the kernel * is the last resort. */ disk = bootdisk; } /* if we've decided on one, pass it on to all programs */ if(disk) setenv("bootdisk", disk); USED(mp); } int connectlocalkfs(void) { int i, pid, fd, p[2]; char partition[64]; char *dev; char **arg, **argp; Dir *d; if(stat("/boot/kfs", statbuf, sizeof statbuf) < 0) return -1; dev = disk ? disk : bootdisk; snprint(partition, sizeof partition, "%sfs", dev); fd = open(partition, OREAD); if(fd < 0){ strcpy(partition, dev); fd = open(partition, OREAD); if(fd < 0) return -1; } /* * can't do this check -- might be some other server posing as kfs. * memset(buf, 0, sizeof buf); pread(fd, buf, 512, 0); close(fd); if(memcmp(buf+256, "kfs wren device\n", 16) != 0){ if(strstr(partition, "/fs")) print("no kfs file system found on %s\n", partition); return -1; } * */ d = dirfstat(fd); close(fd); if(d == nil) return -1; if(d->mode&DMDIR){ free(d); return -1; } free(d); print("kfs..."); if(pipe(p)<0) fatal("pipe"); switch(pid = fork()){ case -1: fatal("fork"); case 0: arg = malloc((bargc+5)*sizeof(char*)); argp = arg; *argp++ = "kfs"; *argp++ = "-f"; *argp++ = partition; *argp++ = "-s"; for(i=1; i= 0){ print("venti..."); memset(buf, 0, sizeof buf); pread(fd, buf, 512, 248*1024); close(fd); if(memcmp(buf, "venti config\n", 13) != 0){ print("no venti config found on %s\n", f[0]); return -1; } if(stat("/boot/venti", statbuf, sizeof statbuf) < 0){ print("/boot/venti does not exist\n"); return -1; } switch(nf){ case 1: f[1] = "tcp!127.1!17034"; case 2: f[2] = "tcp!127.1!8000"; } configloopback(); run("/boot/venti", "-c", f[0], "-m", "20", "-a", f[1], "-h", f[2], 0); /* * If the announce address is tcp!*!foo, then set * $venti to tcp!127.1!foo instead, which is actually dialable. */ if((p = strstr(f[1], "!*!")) != 0){ *p = 0; snprint(buf, sizeof buf, "%s!127.1!%s", f[1], p+3); f[1] = buf; } setenv("venti", f[1]); }else{ /* set up the network so we can talk to the venti server */ /* this is such a crock. */ configip(nf, f, 0); setenv("venti", f[0]); } } /* start fossil */ print("fossil(%s)...", partition); run("/boot/fossil", "-f", partition, "-c", "srv -A fboot", "-c", "srv -p fscons", 0); fd = open("#s/fboot", ORDWR); if(fd < 0){ print("open #s/fboot: %r\n"); return -1; } remove("#s/fboot"); /* we'll repost as #s/boot */ return fd; } int connectlocal(void) { int fd; if(bind("#c", "/dev", MREPL) < 0) fatal("bind #c"); if(bind("#p", "/proc", MREPL) < 0) fatal("bind #p"); bind("#S", "/dev", MAFTER); bind("#k", "/dev", MAFTER); bind("#æ", "/dev", MAFTER); if((fd = connectlocalfossil()) < 0) if((fd = connectlocalkfs()) < 0) return -1; return fd; }