sed: Can't open /usr/web/plan9/sources.html #include <u.h> #include <libc.h> #include <../boot/boot.h> static char diskname[64]; static char *disk; static char **args; void configlocal(Method *mp) { char *p, *inibootdisk; int n; inibootdisk = getenv("bootdisk"); 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 optionally supplied when the kernel is made */ disk = mp->arg; } else if(inibootdisk != nil && *inibootdisk) /* plan9.ini overrides default from config file */ disk = inibootdisk; else if(bootdisk != nil && *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) { bootdisk = disk; setenv("bootdisk", bootdisk); } } 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<bargc; i++) *argp++ = bargv[i]; *argp = 0; dup(p[0], 0); dup(p[1], 1); close(p[0]); close(p[1]); exec("/boot/kfs", arg); fatal("can't exec kfs"); default: break; } for(;;){ if((i = waitpid()) == -1) fatal("waitpid for kfs failed"); if(i == pid) break; } close(p[1]); return p[0]; } void runv(char **argv) { int i, pid; switch(pid = fork()){ case -1: fatal("fork"); case 0: exec(argv[0], argv); fatal(smprint("can't exec %s: %r", argv[0])); default: while ((i = waitpid()) != pid && i != -1) ; if(i == -1) fatal(smprint("wait failed running %s", argv[0])); } } void run(char *file, ...) { runv(&file); } static int print1(int fd, char *s) { return write(fd, s, strlen(s)); } void configloopback(void) { int fd; if((fd = open("/net/ipifc/clone", ORDWR)) < 0){ bind("#I", "/net", MAFTER); if((fd = open("/net/ipifc/clone", ORDWR)) < 0) fatal("open /net/ipifc/clone for loopback"); } if(print1(fd, "bind loopback /dev/null") < 0 || print1(fd, "add 127.0.0.1 255.255.255.255") < 0) fatal("write /net/ipifc/clone for loopback"); } int connectlocalfossil(void) { int fd; char *venti, *f[32], *p; int nf; char partition[128], buf[512]; char *dev; if(stat("/boot/fossil", statbuf, sizeof statbuf) < 0) return -1; /* look for fossil partition */ dev = disk ? disk : bootdisk; snprint(partition, sizeof partition, "%sfossil", dev); fd = open(partition, OREAD); if(fd < 0){ strcpy(partition, dev); fd = open(partition, OREAD); if(fd < 0) return -1; } memset(buf, 0, sizeof buf); pread(fd, buf, 512, 127*1024); close(fd); if(memcmp(buf, "fossil config\n", 14) != 0){ if(strstr(partition, "/fossil")) print("no fossil config found on %s\n", partition); return -1; } settime(1, -1, nil); /* make venti available. give it 20% of free memory. */ if((venti = getenv("venti")) && (nf = tokenize(venti, f, nelem(f)))){ if((fd = open(f[0], OREAD)) >= 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", "-m", "20", "-c", f[0], "-a", f[1], "-h", f[2], nil); /* * 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. give it 20% of free memory. */ print("fossil(%s)...", partition); run("/boot/fossil", "-m", "20", "-f", partition, "-c", "srv -A fboot", "-c", "srv -p fscons", nil); fd = open("#s/fboot", ORDWR); if(fd < 0){ warning("open #s/fboot"); return -1; } remove("#s/fboot"); /* we'll repost fd as #s/boot after fversion(fd) */ 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("#u", "/dev", MAFTER); bind("#æ", "/dev", MAFTER); mountusbparts(); /* make partfs partitions visible again */ if((fd = connectlocalfossil()) < 0) fd = connectlocalkfs(); return fd; } sed: Can't open /usr/web/plan9/sources.html