release/sysinstall/wizard.c

   1 /*
   2  * ----------------------------------------------------------------------------
   3  * "THE BEER-WARE LICENSE" (Revision 42):
   4  * <phk@FreeBSD.org> wrote this file.  As long as you retain this notice you
   5  * can do whatever you want with this stuff. If we meet some day, and you think
   6  * this stuff is worth it, you can buy me a beer in return.   Poul-Henning Kamp
   7  * ----------------------------------------------------------------------------
   8  *
   9  * $FreeBSD: src/release/sysinstall/wizard.c,v 1.15.2.5 2002/07/02 21:27:28 jhb Exp $
  10  *
  11  */
  12
  13 #include "sysinstall.h"
  14 #include <fcntl.h>
  15 #include <err.h>
  16
  17 int
  18 scan_block(int fd, daddr_t block)
  19 {
  20     u_char foo[512];
  21
  22     if (-1 == lseek(fd,block * 512,SEEK_SET))
  23         err(1,"lseek");
  24     if (512 != read(fd,foo, 512))
  25         return 1;
  26     return 0;
  27 }
  28
  29 void
  30 Scan_Disk(Disk *d)
  31 {
  32     char device[64];
  33     u_long l;
  34     int i,j,fd;
  35
  36     strcpy(device,"/dev/");
  37     strcat(device,d->name);
  38
  39     fd = open(device,O_RDWR);
  40     if (fd < 0) {
  41         msgWarn("open(%s) failed", device);
  42         return;
  43     }
  44     for(i=-1,l=0;;l++) {
  45         j = scan_block(fd,l);
  46         if (j != i) {
  47             if (i == -1) {
  48                 printf("%c: %lu.",j ? 'B' : 'G', l);
  49                 fflush(stdout);
  50             } else if (i == 0) {
  51                 printf(".%lu\nB: %lu.",l-1,l);
  52                 fflush(stdout);
  53             } else {
  54                 printf(".%lu\nG: %lu.",l-1,l);
  55                 fflush(stdout);
  56             }
  57             i = j;
  58         }
  59     }
  60     close(fd);
  61 }
  62
  63 void
  64 slice_wizard(Disk *d)
  65 {
  66     Disk *db;
  67     char myprompt[BUFSIZ];
  68     char input[BUFSIZ];
  69     char *p,*q=0;
  70     char **cp,*cmds[200];
  71     int ncmd,i;
  72
  73     systemSuspendDialog();
  74     sprintf(myprompt,"%s> ", d->name);
  75     while(1) {
  76         printf("--==##==--\n");
  77         Debug_Disk(d);
  78         p = CheckRules(d);
  79         if (p) {
  80             printf("%s",p);
  81             free(p);
  82         }
  83         printf("%s", myprompt);
  84         fflush(stdout);
  85         q = p = fgets(input,sizeof(input),stdin);
  86         if(!p)
  87             break;
  88         for(cp = cmds; (*cp = strsep(&p, " \t\n")) != NULL;)
  89             if (**cp != '\0')
  90                 cp++;
  91         ncmd = cp - cmds;
  92         if(!ncmd)
  93             continue;
  94         if (!strcasecmp(*cmds,"quit")) { break; }
  95         if (!strcasecmp(*cmds,"exit")) { break; }
  96         if (!strcasecmp(*cmds,"q")) { break; }
  97         if (!strcasecmp(*cmds,"x")) { break; }
  98         if (!strcasecmp(*cmds,"delete") && ncmd == 2) {
  99             printf("delete = %d\n",
 100                    Delete_Chunk(d,
 101                                 (struct chunk *)strtol(cmds[1],0,0)));
 102             continue;
 103         }
 104         if (!strcasecmp(*cmds,"allfreebsd")) {
 105             All_FreeBSD(d, 0);
 106             continue;
 107         }
 108         if (!strcasecmp(*cmds,"dedicate")) {
 109             All_FreeBSD(d, 1);
 110             continue;
 111         }
 112         if (!strcasecmp(*cmds,"bios") && ncmd == 4) {
 113             Set_Bios_Geom(d,
 114                           strtol(cmds[1],0,0),
 115                           strtol(cmds[2],0,0),
 116                           strtol(cmds[3],0,0));
 117             continue;
 118         }
 119         if (!strcasecmp(*cmds,"list")) {
 120             cp = Disk_Names();
 121             printf("Disks:");
 122             for(i=0;cp[i];i++) {
 123                 printf(" %s",cp[i]);
 124                 free(cp[i]);
 125             }
 126             free(cp);
 127             continue;
 128         }
 129 #ifdef PC98
 130         if (!strcasecmp(*cmds,"create") && ncmd == 7) {
 131             printf("Create=%d\n",
 132                    Create_Chunk(d,
 133                                 strtol(cmds[1],0,0),
 134                                 strtol(cmds[2],0,0),
 135                                 strtol(cmds[3],0,0),
 136                                 strtol(cmds[4],0,0),
 137                                 strtol(cmds[5],0,0),
 138                                 cmds[6]));
 139             continue;
 140         }
 141 #else
 142         if (!strcasecmp(*cmds,"create") && ncmd == 6) {
 143             printf("Create=%d\n",
 144                    Create_Chunk(d,
 145                                 strtol(cmds[1],0,0),
 146                                 strtol(cmds[2],0,0),
 147                                 strtol(cmds[3],0,0),
 148                                 strtol(cmds[4],0,0),
 149                                 strtol(cmds[5],0,0)));
 150             continue;
 151         }
 152 #endif
 153         if (!strcasecmp(*cmds,"read")) {
 154             db = d;
 155             if (ncmd > 1)
 156                 d = Open_Disk(cmds[1]);
 157             else
 158                 d = Open_Disk(d->name);
 159             if (d)
 160                 Free_Disk(db);
 161             else
 162                 d = db;
 163             continue;
 164         }
 165         if (!strcasecmp(*cmds,"scan")) {
 166             Scan_Disk(d);
 167             continue;
 168         }
 169         if (!strcasecmp(*cmds,"write")) {
 170             printf("Write=%d\n",
 171                    Fake ? 0 : Write_Disk(d));
 172             Free_Disk(d);
 173             d = Open_Disk(d->name);
 174             continue;
 175         }
 176         if (strcasecmp(*cmds,"help"))
 177             printf("\007ERROR\n");
 178         printf("CMDS:\n");
 179         printf("allfreebsd\t\t");
 180         printf("dedicate\t\t");
 181         printf("bios cyl hd sect\n");
 182         printf("collapse [pointer]\t\t");
 183 #ifdef PC98
 184         printf("create offset size enum subtype flags name\n");
 185 #else
 186         printf("create offset size enum subtype flags\n");
 187 #endif
 188         printf("subtype(part): swap=1, ffs=7\t\t");
 189         printf("delete pointer\n");
 190         printf("list\t\t");
 191         printf("quit\n");
 192         printf("read [disk]\t\t");
 193         printf("scan\n");
 194         printf("write\t\t");
 195         printf("ENUM:\n\t");
 196         for(i=0;chunk_n[i];i++)
 197             printf("%d = %s%s",i,chunk_n[i],i == 4 ? "\n\t" : "  ");
 198         printf("\n");
 199
 200     }
 201     systemResumeDialog();
 202 }