?? loader.c~
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int i; struct device ** devices; devices = probeDevices(CLASS_HD, BUS_UNSPEC, PROBE_LOADED); if (devices) return; return; /* If they're using kickstart, assume they might know what they're doing. * Worst case is we fail later */ if (FL_KICKSTART(flags)) { logMessage(WARNING, "no hard drives found, but in kickstart so continuing anyway"); return; } startNewt(); i = newtWinChoice(_("Warning"), _("Yes"), _("No"), _("No hard drives have been found. You probably need " "to manually choose device drivers for the " "installation to succeed. Would you like to " "select drivers now?")); if (i != 2) flags |= LOADER_FLAGS_ISA; return;}static void writeVNCPasswordFile(char *pfile, char *password) { FILE *f; f = fopen(pfile, "w+"); fprintf(f, "%s\n", password); fclose(f);}/* read information from /tmp/netinfo (written by linuxrc) */static void readNetInfo(struct loaderData_s ** ld) { int i; struct loaderData_s * loaderData = *ld; FILE *f; /* FIXME: arbitrary size that works, but could blow up in the future */ int bufsiz = 100; char buf[bufsiz], *vname, *vparm; f = fopen("/tmp/netinfo", "r"); if (!f) return; /* FIXME: static buffers lead to pain */ vname = (char *)malloc(sizeof(char)*15); vparm = (char *)malloc(sizeof(char)*85); /* * The /tmp/netinfo file is written out by /sbin/init on s390x (which is * really the linuxrc.s390 script). It's a shell-sourcable file with * various system settings needing for the system instance. * * The goal of this function is to read in only the network settings * and populate the loaderData structure. */ while(fgets(buf, bufsiz, f)) { /* trim whitespace from end */ i = 0; while (!isspace(buf[i]) && i < (bufsiz-1)) i++; buf[i] = '\0'; /* break up var name and value */ if (strstr(buf, "=")) { vname = strtok(buf, "="); if (vname == NULL) continue; vparm = strtok(NULL, "="); if (vparm == NULL) continue; if (!strncmp(vname, "IPADDR", 6)) { loaderData->ipv4 = strdup(vparm); loaderData->ipinfo_set = 1; } if (!strncmp(vname, "NETMASK", 7)) loaderData->netmask = strdup(vparm); if (!strncmp(vname, "GATEWAY", 7)) loaderData->gateway = strdup(vparm); if (!strncmp(vname, "DNS", 3)) loaderData->dns = strdup(vparm); if (!strncmp(vname, "MTU", 3)) loaderData->mtu = atoi(vparm); if (!strncmp(vname, "PEERID", 6)) loaderData->peerid = strdup(vparm); if (!strncmp(vname, "SUBCHANNELS", 12)) loaderData->subchannels = strdup(vparm); if (!strncmp(vname, "PORTNAME", 8)) loaderData->portname = strdup(vparm); if (!strncmp(vname, "NETTYPE", 7)) loaderData->nettype = strdup(vparm); if (!strncmp(vname, "CTCPROT", 7)) loaderData->ctcprot = strdup(vparm); } } fclose(f);}/* parse anaconda or pxelinux-style ip= arguments * pxelinux format: ip=<client-ip>:<boot-server-ip>:<gw-ip>:<netmask> * anaconda format: ip=<client-ip> netmask=<netmask> gateway=<gw-ip>*/static void parseCmdLineIp(struct loaderData_s * loaderData, char *argv){ /* Detect pxelinux */ if (strstr(argv, ":") != NULL) { char *start, *end; /* IP */ start = argv + 3; end = strstr(start, ":"); loaderData->ipv4 = strndup(start, end-start); loaderData->ipinfo_set = 0; /* Boot server */ if (end + 1 == '\0') return; start = end + 1; end = strstr(start, ":"); if (end == NULL) return; /* Gateway */ if (end + 1 == '\0') return; start = end + 1; end = strstr(start, ":"); if (end == NULL) { loaderData->gateway = strdup (start); return; } else loaderData->gateway = strndup(start, end-start); /* Netmask */ if (end + 1 == '\0') return; start = end + 1; loaderData->netmask = strdup(start); } else { loaderData->ipv4 = strdup(argv + 3); loaderData->ipinfo_set = 0; }}/* * parse anaconda ipv6= arguments */static void parseCmdLineIpv6(struct loaderData_s * loaderData, char *argv){ /* right now we only accept ipv6= arguments equal to: * dhcp DHCPv6 call * auto RFC 2461 neighbor discovery */ if (!strncmp(str2lower(argv), "dhcp", 4)) { loaderData->ipv6 = strdup("dhcp"); loaderData->ipv6info_set = 1; } else if (!strncmp(str2lower(argv), "auto", 4)) { loaderData->ipv6 = strdup("auto"); loaderData->ipv6info_set = 1; } return;}/* parses /proc/cmdline for any arguments which are important to us. * NOTE: in test mode, can specify a cmdline with --cmdline */static void parseCmdLineFlags(struct loaderData_s * loaderData, char * cmdLine) { int fd; char buf[1024]; int len; char ** argv; int argc; int numExtraArgs = 0; int i; char *front; /* we want to default to graphical and allow override with 'text' */ flags |= LOADER_FLAGS_GRAPHICAL; /* if we have any explicit cmdline (probably test mode), we don't want * to parse /proc/cmdline */ if (!cmdLine) { if ((fd = open("/proc/cmdline", O_RDONLY)) < 0) return; len = read(fd, buf, sizeof(buf) - 1); close(fd); if (len <= 0) { logMessage(INFO, "kernel command line was empty"); return; } buf[len] = '\0'; cmdLine = buf; } logMessage(INFO, "kernel command line: %s", cmdLine); if (poptParseArgvString(cmdLine, &argc, (const char ***) &argv)) return; for (i=0; i < argc; i++) { if (!strcasecmp(argv[i], "expert")) { flags |= LOADER_FLAGS_EXPERT; logMessage(INFO, "expert got used, ignoring"); /* flags |= (LOADER_FLAGS_EXPERT | LOADER_FLAGS_MODDISK | LOADER_FLAGS_ASKMETHOD);*/ } else if (!strcasecmp(argv[i], "askmethod")) flags |= LOADER_FLAGS_ASKMETHOD; else if (!strcasecmp(argv[i], "asknetwork")) flags |= LOADER_FLAGS_ASKNETWORK; else if (!strcasecmp(argv[i], "noshell")) flags |= LOADER_FLAGS_NOSHELL; else if (!strcasecmp(argv[i], "mediacheck")) flags |= LOADER_FLAGS_MEDIACHECK; else if (!strcasecmp(argv[i], "nousbstorage")) flags |= LOADER_FLAGS_NOUSBSTORAGE; else if (!strcasecmp(argv[i], "nousb")) flags |= LOADER_FLAGS_NOUSB; /* else if (!strcasecmp(argv[i], "ub")) flags |= LOADER_FLAGS_UB;*/ else if (!strcasecmp(argv[i], "libata.ignore_hpa=1")) flags |= LOADER_FLAGS_IGNOREHPA; else if (!strcasecmp(argv[i], "telnet")) flags |= LOADER_FLAGS_TELNETD; else if (!strcasecmp(argv[i], "nofirewire")) flags |= LOADER_FLAGS_NOIEEE1394; else if (!strcasecmp(argv[i], "nonet")) flags |= LOADER_FLAGS_NONET; else if (!strcasecmp(argv[i], "nostorage")) flags |= LOADER_FLAGS_NOSTORAGE; else if (!strcasecmp(argv[i], "noprobe")) flags |= (LOADER_FLAGS_NONET | LOADER_FLAGS_NOSTORAGE | LOADER_FLAGS_NOUSB | LOADER_FLAGS_NOIEEE1394); else if (!strcasecmp(argv[i], "nopcmcia")) flags |= LOADER_FLAGS_NOPCMCIA; else if (!strcasecmp(argv[i], "text")) { logMessage(INFO, "text mode forced from cmdline"); flags |= LOADER_FLAGS_TEXT; flags &= ~LOADER_FLAGS_GRAPHICAL; } else if (!strcasecmp(argv[i], "graphical")) { logMessage(INFO, "graphical mode forced from cmdline"); flags |= LOADER_FLAGS_GRAPHICAL; } else if (!strcasecmp(argv[i], "cmdline")) { logMessage(INFO, "cmdline mode forced from cmdline"); flags |= LOADER_FLAGS_CMDLINE; } else if (!strncasecmp(argv[i], "updates=", 8)) loaderData->updatessrc = strdup(argv[i] + 8); else if (!strncasecmp(argv[i], "updates", 7)) flags |= LOADER_FLAGS_UPDATES; else if (!strcasecmp(argv[i], "isa")) flags |= LOADER_FLAGS_ISA; else if (!strncasecmp(argv[i], "dd=", 3) || !strncasecmp(argv[i], "driverdisk=", 11)) { loaderData->ddsrc = strdup(argv[i] + (argv[i][1] == 'r' ? 11 : 3)); } else if (!strcasecmp(argv[i], "dd") || !strcasecmp(argv[i], "driverdisk")) flags |= LOADER_FLAGS_MODDISK; else if (!strcasecmp(argv[i], "rescue")) flags |= LOADER_FLAGS_RESCUE; else if (!strcasecmp(argv[i], "nopass")) flags |= LOADER_FLAGS_NOPASS; else if (!strcasecmp(argv[i], "serial")) flags |= LOADER_FLAGS_SERIAL; else if (!strcasecmp(argv[i], "nofb")) flags |= LOADER_FLAGS_NOFB; else if (!strcasecmp(argv[i], "noipv6")) { flags |= LOADER_FLAGS_NOIPV6; loaderData->noipv6 = 1; } else if (!strcasecmp(argv[i], "kssendmac")) flags |= LOADER_FLAGS_KICKSTART_SEND_MAC; else if (!strncasecmp(argv[i], "loglevel=", 9)) { if (!strcasecmp(argv[i]+9, "debug")) { loaderData->logLevel = strdup(argv[i]+9); setLogLevel(DEBUGLVL); } else if (!strcasecmp(argv[i]+9, "info")) { loaderData->logLevel = strdup(argv[i]+9); setLogLevel(INFO); } else if (!strcasecmp(argv[i]+9, "warning")) { loaderData->logLevel = strdup(argv[i]+9); setLogLevel(WARNING); } else if (!strcasecmp(argv[i]+9, "error")) { loaderData->logLevel = strdup(argv[i]+9); setLogLevel(ERROR); } else if (!strcasecmp(argv[i]+9, "critical")) { loaderData->logLevel = strdup(argv[i]+9); setLogLevel(CRITICAL); } } else if (!strncasecmp(argv[i], "ksdevice=", 9)) { loaderData->netDev = strdup(argv[i] + 9); loaderData->netDev_set = 1; } else if (!strncmp(argv[i], "BOOTIF=", 7)) { /* +10 so that we skip over the leading 01- */ loaderData->bootIf = strdup(argv[i] + 10); /* scan the BOOTIF value and replace '-' with ':' */ front = loaderData->bootIf; if (front) { while (*front != '\0') { if (*front == '-') *front = ':'; front++; } } loaderData->bootIf_set = 1; } else if (!strncasecmp(argv[i], "dhcpclass=", 10)) { loaderData->netCls = strdup(argv[i] + 10); loaderData->netCls_set = 1; } else if (!strcasecmp(argv[i], "ks") || !strncasecmp(argv[i], "ks=", 3)) loaderData->ksFile = strdup(argv[i]); else if (!strncasecmp(argv[i], "display=", 8)) setenv("DISPLAY", argv[i] + 8, 1); else if ((!strncasecmp(argv[i], "lang=", 5)) && (strlen(argv[i]) > 5)) { loaderData->lang = strdup(argv[i] + 5); loaderData->lang_set = 1; } else if (!strncasecmp(argv[i], "keymap=", 7) && (strlen(argv[i]) > 7)) { loaderData->kbd = strdup(argv[i] + 7); loaderData->kbd_set = 1; } else if (!strncasecmp(argv[i], "method=", 7)) setMethodFromCmdline(argv[i] + 7, loaderData); else if (!strncasecmp(argv[i], "ip=", 3)) parseCmdLineIp(loaderData, argv[i]); else if (!strncasecmp(argv[i], "ipv6=", 5)) parseCmdLineIpv6(loaderData, argv[i]); else if (!strncasecmp(argv[i], "netmask=", 8)) loaderData->netmask = strdup(argv[i] + 8); else if (!strncasecmp(argv[i], "gateway=", 8)) loaderData->gateway = strdup(argv[i] + 8); else if (!strncasecmp(argv[i], "dns=", 4)) loaderData->dns = strdup(argv[i] + 4); else if (!strncasecmp(argv[i], "ethtool=", 8)) loaderData->ethtool = strdup(argv[i] + 8); else if (!strncasecmp(argv[i], "essid=", 6)) loaderData->essid = strdup(argv[i] + 6); else if (!strncasecmp(argv[i], "mtu=", 4)) loaderData->mtu = atoi(argv[i] + 4); else if (!strncasecmp(argv[i], "wepkey=", 7)) loaderData->wepkey = strdup(argv[i] + 7); else if (!strncasecmp(argv[i], "linksleep=", 10)) num_link_checks = atoi(argv[i] + 10); else if (!strncasecmp(argv[i], "selinux=0", 9)) flags &= ~LOADER_FLAGS_SELINUX; else if (!strncasecmp(argv[i], "selinux", 7)) flags |= LOADER_FLAGS_SELINUX; else if (numExtraArgs < (MAX_EXTRA_ARGS - 1)) { /* go through and append args we just want to pass on to */ /* the anaconda script, but don't want to represent as a */ /* LOADER_FLAGS_XXX since loader doesn't care about these */ /* particular options. */ /* do vncpassword case first */ if (!strncasecmp(argv[i], "vncpassword=", 12)) { if (!FL_TESTING(flags)) writeVNCPasswordFile("/tmp/vncpassword.dat", argv[i]+12); } else if (!strncasecmp(argv[i], "resolution=", 11) || !strncasecmp(argv[i], "lowres", 6) ||?? 快捷鍵說明
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