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https://gitlab.com/apparmor/apparmor
synced 2025-08-30 22:05:27 +00:00
have changehat return ECHILD error code when a profile doesn't contain any
hats
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@@ -336,7 +336,6 @@ static unsigned int sd_file_perm(struct subdomain *sd, const char *name,
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* Currently we only allow access if opened O_WRONLY
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*/
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if (mask == MAY_WRITE && strncmp(PROCPFX, name, PROCLEN) == 0 &&
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(!list_empty(&sd->profile->sub) || SUBDOMAIN_COMPLAIN(sd)) &&
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sd_taskattr_access(name + PROCLEN))
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goto done;
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@@ -1609,6 +1608,12 @@ int sd_change_hat(const char *hat_name, __u32 hat_magic)
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goto out;
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}
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/* check to see if the confined process has any hats. */
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if (list_empty(&sd->profile->sub) && !SUBDOMAIN_COMPLAIN(sd)) {
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error = -ECHILD;
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goto out;
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}
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/* Check whether current domain is parent
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* or one of the sibling children
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*/
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