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Code

fixed a uid_wrapper bug that caused a segv in the RAW-ACLS test

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This commit is contained in:
Andrew Tridgell 2009-08-05 13:31:06 +10:00
parent cd1d7f4be7
commit d40537c92a
1 changed files with 14 additions and 7 deletions
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21
lib/uid_wrapper/uid_wrapper.c
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@ -42,6 +42,10 @@ static void uwrap_init(void)
uwrap.initialised = true;
if (getenv("UID_WRAPPER")) {
uwrap.enabled = true;
/* put us in one group */
uwrap.ngroups = 1;
uwrap.groups = talloc_array(talloc_autofree_context(), gid_t, 1);
uwrap.groups[0] = 0;
}
}
@ -101,14 +105,17 @@ _PUBLIC_ int uwrap_setgroups(size_t size, const gid_t *list)
talloc_free(uwrap.groups);
uwrap.ngroups = 0;
uwrap.groups = NULL;
uwrap.groups = talloc_array(talloc_autofree_context(), gid_t, size);
if (uwrap.groups == NULL) {
errno = ENOMEM;
return -1;
if (size != 0) {
uwrap.groups = talloc_array(talloc_autofree_context(), gid_t, size);
if (uwrap.groups == NULL) {
errno = ENOMEM;
return -1;
}
memcpy(uwrap.groups, list, size*sizeof(gid_t));
uwrap.ngroups = size;
}
memcpy(uwrap.groups, list, size*sizeof(gid_t));
uwrap.ngroups = size;
return 0;
}
@ -130,7 +137,7 @@ _PUBLIC_ int uwrap_getgroups(int size, gid_t *list)
return -1;
}
memcpy(list, uwrap.groups, size*sizeof(gid_t));
return 0;
return uwrap.ngroups;
}
_PUBLIC_ uid_t uwrap_getuid(void)