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added protection - can't use tool in system area

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This commit is contained in:
Bob Zieman
1993-10-22 12:05:39 +00:00
parent 05ce1c906e
commit 4f1db0838d
1 changed files with 19 additions and 17 deletions
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src/util/apCreateShadow.c
+19 -17
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@@ -167,7 +167,6 @@ processFile(name)
createLink();
}
/****************************************************************************
INIT_SETUP
****************************************************************************/
@@ -179,20 +178,20 @@ init_setup(argc, argv)
char *ptr;
int len;
FILE *origin_fp;
char Xdest_base[MAXPATHLEN];
char Xsrc_base[MAXPATHLEN];
ptr = (char *) strrchr(argv[0], '/');
if (ptr == 0) {
strcpy(progName, argv[0]);
} else {
strcpy(progName, ptr+1);
strcpy(progName, ptr + 1);
}
if ( argc != 2 ) {
if (argc != 2) {
printf("####################################################\n");
Usage();
printf("####################################################\n");
exit(1);
}
exit(1);
}
if (*argv[1] != '/') {
printf("####################################################\n");
printf("%s: ERROR - arg#1 must be a full pathname\n", progName);
@@ -200,7 +199,6 @@ if ( argc != 2 ) {
printf("####################################################\n");
exit(1);
}
/* check to see if path points to app system area - file .topAppl exists*/
/* application base is argv[1] */
len = strlen(argv[1]);
@@ -223,7 +221,11 @@ if ( argc != 2 ) {
}
strcpy(src_base, sys_top);
/* if dest_base is substring of src_base - recursion occurs */
if ((strstr(dest_base, src_base)) != NULL) { /* error */
strcpy(Xdest_base, dest_base);
strcat(Xdest_base, "/");
strcpy(Xsrc_base, src_base);
strcat(Xsrc_base, "/");
if ((strstr(Xdest_base, Xsrc_base)) != NULL) { /* error */
fprintf(stderr, "####################################################\n");
fprintf(stderr, "%s: You can't run this tool in an application system area!\n", progName);
fprintf(stderr, "####################################################\n");
@@ -260,17 +262,17 @@ if ( argc != 2 ) {
}
/* compare sys_top with buffer */
while ((fgets(buffer, sizeof(buffer) + 2, origin_fp)) != NULL) {
len = strlen(buffer);
/* remove the N/L from input line */
if (buffer[len - 1] == '\n') {
buffer[len - 1] = 0;
}
len = strlen(buffer);
/* remove the N/L from input line */
if (buffer[len - 1] == '\n') {
buffer[len - 1] = 0;
}
if ((strcmp(buffer, sys_top)) != SAME) {
fprintf(stderr, "%s: FATAL ERROR - Illegal invocation\n", progName);
fprintf(stderr, "%s: FATAL ERROR - Illegal invocation\n", progName);
fprintf(stderr,
"Your last system area was %s\n", buffer);
"Your last system area was %s\n", buffer);
fprintf(stderr,
"Your new (arg1) system area is %s\n",sys_top);
"Your new (arg1) system area is %s\n", sys_top);
exit(1);
}
}