wizard.c revision 74677 
1/*
2 * ----------------------------------------------------------------------------
3 * "THE BEER-WARE LICENSE" (Revision 42):
4 * <phk@login.dknet.dk> 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: head/usr.sbin/sade/wizard.c 74677 2001-03-23 08:26:43Z jkh $
10 *
11 */
12
13#include "sysinstall.h"
14#include <fcntl.h>
15#include <err.h>
16
17int
18scan_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
29void
30Scan_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
63void
64slice_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(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}
203