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  * $DragonFly: src/release/sysinstall/Attic/wizard.c,v 1.2 2003/06/17 04:27:21 dillon Exp $
  11  *
  12  */
  13
  14 #include "sysinstall.h"
  15 #include <fcntl.h>
  16 #include <err.h>
  17
  18 int
  19 scan_block(int fd, daddr_t block)
  20 {
  21     u_char foo[512];
  22
  23     if (-1 == lseek(fd,block * 512,SEEK_SET))
  24         err(1,"lseek");
  25     if (512 != read(fd,foo, 512))
  26         return 1;
  27     return 0;
  28 }
  29
  30 void
  31 Scan_Disk(Disk *d)
  32 {
  33     char device[64];
  34     u_long l;
  35     int i,j,fd;
  36
  37     strcpy(device,"/dev/");
  38     strcat(device,d->name);
  39
  40     fd = open(device,O_RDWR);
  41     if (fd < 0) {
  42         msgWarn("open(%s) failed", device);
  43         return;
  44     }
  45     for(i=-1,l=0;;l++) {
  46         j = scan_block(fd,l);
  47         if (j != i) {
  48             if (i == -1) {
  49                 printf("%c: %lu.",j ? 'B' : 'G', l);
  50                 fflush(stdout);
  51             } else if (i == 0) {
  52                 printf(".%lu\nB: %lu.",l-1,l);
  53                 fflush(stdout);
  54             } else {
  55                 printf(".%lu\nG: %lu.",l-1,l);
  56                 fflush(stdout);
  57             }
  58             i = j;
  59         }
  60     }
  61     close(fd);
  62 }
  63
  64 void
  65 slice_wizard(Disk *d)
  66 {
  67     Disk *db;
  68     char myprompt[BUFSIZ];
  69     char input[BUFSIZ];
  70     char *p,*q=0;
  71     char **cp,*cmds[200];
  72     int ncmd,i;
  73
  74     systemSuspendDialog();
  75     sprintf(myprompt,"%s> ", d->name);
  76     while(1) {
  77         printf("--==##==--\n");
  78         Debug_Disk(d);
  79         p = CheckRules(d);
  80         if (p) {
  81             printf("%s",p);
  82             free(p);
  83         }
  84         printf("%s", myprompt);
  85         fflush(stdout);
  86         q = p = fgets(input,sizeof(input),stdin);
  87         if(!p)
  88             break;
  89         for(cp = cmds; (*cp = strsep(&p, " \t\n")) != NULL;)
  90             if (**cp != '\0')
  91                 cp++;
  92         ncmd = cp - cmds;
  93         if(!ncmd)
  94             continue;
  95         if (!strcasecmp(*cmds,"quit")) { break; }
  96         if (!strcasecmp(*cmds,"exit")) { break; }
  97         if (!strcasecmp(*cmds,"q")) { break; }
  98         if (!strcasecmp(*cmds,"x")) { break; }
  99         if (!strcasecmp(*cmds,"delete") && ncmd == 2) {
 100             printf("delete = %d\n",
 101                    Delete_Chunk(d,
 102                                 (struct chunk *)strtol(cmds[1],0,0)));
 103             continue;
 104         }
 105         if (!strcasecmp(*cmds,"allfreebsd")) {
 106             All_FreeBSD(d, 0);
 107             continue;
 108         }
 109         if (!strcasecmp(*cmds,"dedicate")) {
 110             All_FreeBSD(d, 1);
 111             continue;
 112         }
 113         if (!strcasecmp(*cmds,"bios") && ncmd == 4) {
 114             Set_Bios_Geom(d,
 115                           strtol(cmds[1],0,0),
 116                           strtol(cmds[2],0,0),
 117                           strtol(cmds[3],0,0));
 118             continue;
 119         }
 120         if (!strcasecmp(*cmds,"list")) {
 121             cp = Disk_Names();
 122             printf("Disks:");
 123             for(i=0;cp[i];i++) {
 124                 printf(" %s",cp[i]);
 125                 free(cp[i]);
 126             }
 127             free(cp);
 128             continue;
 129         }
 130 #ifdef PC98
 131         if (!strcasecmp(*cmds,"create") && ncmd == 7) {
 132             printf("Create=%d\n",
 133                    Create_Chunk(d,
 134                                 strtol(cmds[1],0,0),
 135                                 strtol(cmds[2],0,0),
 136                                 strtol(cmds[3],0,0),
 137                                 strtol(cmds[4],0,0),
 138                                 strtol(cmds[5],0,0),
 139                                 cmds[6]));
 140             continue;
 141         }
 142 #else
 143         if (!strcasecmp(*cmds,"create") && ncmd == 6) {
 144             printf("Create=%d\n",
 145                    Create_Chunk(d,
 146                                 strtol(cmds[1],0,0),
 147                                 strtol(cmds[2],0,0),
 148                                 strtol(cmds[3],0,0),
 149                                 strtol(cmds[4],0,0),
 150                                 strtol(cmds[5],0,0)));
 151             continue;
 152         }
 153 #endif
 154         if (!strcasecmp(*cmds,"read")) {
 155             db = d;
 156             if (ncmd > 1)
 157                 d = Open_Disk(cmds[1]);
 158             else
 159                 d = Open_Disk(d->name);
 160             if (d)
 161                 Free_Disk(db);
 162             else
 163                 d = db;
 164             continue;
 165         }
 166         if (!strcasecmp(*cmds,"scan")) {
 167             Scan_Disk(d);
 168             continue;
 169         }
 170         if (!strcasecmp(*cmds,"write")) {
 171             printf("Write=%d\n",
 172                    Fake ? 0 : Write_Disk(d));
 173             Free_Disk(d);
 174             d = Open_Disk(d->name);
 175             continue;
 176         }
 177         if (strcasecmp(*cmds,"help"))
 178             printf("\007ERROR\n");
 179         printf("CMDS:\n");
 180         printf("allfreebsd\t\t");
 181         printf("dedicate\t\t");
 182         printf("bios cyl hd sect\n");
 183         printf("collapse [pointer]\t\t");
 184 #ifdef PC98
 185         printf("create offset size enum subtype flags name\n");
 186 #else
 187         printf("create offset size enum subtype flags\n");
 188 #endif
 189         printf("subtype(part): swap=1, ffs=7\t\t");
 190         printf("delete pointer\n");
 191         printf("list\t\t");
 192         printf("quit\n");
 193         printf("read [disk]\t\t");
 194         printf("scan\n");
 195         printf("write\t\t");
 196         printf("ENUM:\n\t");
 197         for(i=0;chunk_n[i];i++)
 198             printf("%d = %s%s",i,chunk_n[i],i == 4 ? "\n\t" : "  ");
 199         printf("\n");
 200
 201     }
 202     systemResumeDialog();
 203 }