35c9f61260
use dialog functions properly move alloc_memory early to prevent core dump at stage 3 Change 25x80 to 24x80 Fix setenv diagnostic Fix Fatal to call end_dialog()
173 lines
3.1 KiB
C
173 lines
3.1 KiB
C
/*
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* ----------------------------------------------------------------------------
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* "THE BEER-WARE LICENSE" (Revision 42):
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* <phk@login.dkuug.dk> wrote this file. As long as you retain this notice you
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* can do whatever you want with this stuff. If we meet some day, and you think
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* this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
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* ----------------------------------------------------------------------------
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*
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* $Id: utils.c,v 1.3 1994/10/20 06:48:40 phk Exp $
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*
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <stdarg.h>
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#include <unistd.h>
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#include <string.h>
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#include <dialog.h>
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#include <errno.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <sys/param.h>
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#include <sys/mount.h>
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#include "sysinstall.h"
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void
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TellEm(char *fmt, ...)
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{
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char *p;
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va_list ap;
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p = Malloc(2048);
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va_start(ap,fmt);
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vsnprintf(p, 2048, fmt, ap);
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va_end(ap);
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dialog_msgbox("Progress", p, 3, 75, 0);
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free(p);
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}
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void
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Fatal(char *fmt, ...)
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{
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char *p;
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va_list ap;
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p = Malloc(2048);
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va_start(ap,fmt);
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vsnprintf(p, 2048, fmt, ap);
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va_end(ap);
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dialog_msgbox("Fatal", p, 12, 75, 1);
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free(p);
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end_dialog();
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exit(7);
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}
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int
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AskAbort(char *fmt, ...)
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{
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char *p;
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va_list ap;
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int i;
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p = Malloc(2048);
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va_start(ap,fmt);
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vsnprintf(p, 2048, fmt, ap);
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va_end(ap);
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i = dialog_yesno("Abort", p, 12, 75);
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free(p);
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return i;
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}
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void *
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Malloc(size_t size)
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{
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void *p = malloc(size);
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if (!p) {
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exit(7); /* XXX longjmp bad */
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}
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return p;
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}
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char *
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StrAlloc(char *str)
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{
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char *p;
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p = (char *)Malloc(strlen(str) + 1);
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strcpy(p,str);
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return p;
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}
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int
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exec(char *cmd, char *args, ...)
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{
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int pid, w, status;
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char **argv = NULL;
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int arg = 0;
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int no_args = 0;
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va_list ap;
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struct stat dummy;
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if (stat(cmd, &dummy) == -1) {
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sprintf(errmsg, "Executable %s does not exist\n", cmd);
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return(-1);
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}
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va_start(ap, args);
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do {
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if (arg == no_args) {
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no_args += 10;
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if (!(argv = realloc(argv, no_args * sizeof(char *)))) {
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sprintf(errmsg, "Failed to allocate memory during exec of %s\n", cmd);
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return(-1);
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}
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if (arg == 0)
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argv[arg++] = (char *)args;
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}
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} while ((argv[arg++] = va_arg(ap, char *)));
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va_end(ap);
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if ((pid = fork()) == 0) {
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execv(cmd, argv);
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exit(1);
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}
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while ((w = wait(&status)) != pid && w != -1)
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;
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free(argv);
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if (w == -1) {
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sprintf(errmsg, "Child process %s terminated abnormally\n", cmd);
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return(-1);
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}
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return(0);
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}
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void
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MountUfs(char *device, char *prefix, char *mountpoint, int do_mkdir)
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{
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struct ufs_args ufsargs;
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char dbuf[90];
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char pbuf[90];
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memset(&ufsargs,0,sizeof ufsargs);
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if (prefix)
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strcpy(pbuf,prefix);
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else
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strcpy(pbuf,"");
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strcat(pbuf,mountpoint);
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if(do_mkdir && access(pbuf,R_OK)) {
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TellEm("mkdir %s",pbuf);
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if (mkdir(pbuf,S_IRWXU) == -1) {
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Fatal("Couldn't create directory %s: %s\n",
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pbuf,strerror(errno));
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}
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}
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strcpy(dbuf,"/dev/");
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strcat(dbuf,device);
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TellEm("mount /dev/%s /mnt%s",dbuf,pbuf);
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ufsargs.fspec = dbuf;
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if (mount(MOUNT_UFS,pbuf, 0, (caddr_t) &ufsargs) == -1) {
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Fatal("Error mounting %s on : %s\n",
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dbuf, pbuf, strerror(errno));
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}
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}
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