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Handle cases when auth groups are unset #353

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Handle cases when auth groups are unset #353

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14 changes: 14 additions & 0 deletions pappl/client-accessors.c
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Original file line number Diff line number Diff line change
Expand Up @@ -334,3 +334,17 @@ papplClientSetUsername(
client->username[0] = '\0';
}
}


//
// '_papplClientGroupIsEmpty()' - Check if group is empty
//

bool // O - `true` if empty, `false` if set
_papplClientGroupIsEmpty(const char *group) // I - Group name
{
if (!group || !group[0])
return (true);

return (false);
}
6 changes: 6 additions & 0 deletions pappl/client-auth.c
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Expand Up @@ -216,6 +216,12 @@ _papplClientIsAuthorizedForGroup(
return (HTTP_STATUS_BAD_REQUEST);
}
}
else
{
// If there is no Authorization field, no group and we are on localhost - continue
if (_papplClientGroupIsEmpty(group) && httpAddrIsLocalhost(httpGetAddress(client->http)))
return (HTTP_STATUS_CONTINUE);
}

// If we get there then we don't have any authorization value we can use...
return (HTTP_STATUS_UNAUTHORIZED);
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1 change: 1 addition & 0 deletions pappl/client-private.h
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Expand Up @@ -57,6 +57,7 @@ extern char *_papplClientCreateTempFile(pappl_client_t *client, const void *dat
extern void _papplClientDelete(pappl_client_t *client) _PAPPL_PRIVATE;
extern void _papplClientFlushDocumentData(pappl_client_t *client) _PAPPL_PRIVATE;
extern const char *_papplClientGetAuthWebScheme(pappl_client_t *client) _PAPPL_PRIVATE;
extern bool _papplClientGroupIsEmpty(const char *group) _PAPPL_PRIVATE;
extern bool _papplClientHaveDocumentData(pappl_client_t *client) _PAPPL_PRIVATE;
extern http_status_t _papplClientIsAuthorizedForGroup(pappl_client_t *client, bool allow_remote, const char *group, gid_t groupid) _PAPPL_PUBLIC;
extern bool _papplClientProcessHTTP(pappl_client_t *client) _PAPPL_PRIVATE;
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14 changes: 13 additions & 1 deletion pappl/printer-ipp.c
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Expand Up @@ -785,9 +785,21 @@ bool // O - `true` on success, `false` on failure
_papplPrinterIsAuthorized(
pappl_client_t *client) // I - Client
{
const char *username; // Current username
ipp_attribute_t *attr; // requesting-user-name attribute

http_status_t code = _papplClientIsAuthorizedForGroup(client, true, client->printer->print_group, client->printer->print_gid);

if (code == HTTP_STATUS_CONTINUE && client->job && client->job->username && strcmp(client->username, client->job->username))
// In case of local connections, use requesting-user-name attribute as username later if client username is missing
if (code == HTTP_STATUS_CONTINUE)
{
if (!client->username[0] && (attr = ippFindAttribute(client->request, "requesting-user-name", IPP_TAG_NAME)) != NULL)
username = ippGetString(attr, 0, NULL);
else
username = client->username;
}

if (code == HTTP_STATUS_CONTINUE && client->job && client->job->username && strcmp(username, client->job->username))
{
// Not the owner, try authorizing with admin group...
code = _papplClientIsAuthorizedForGroup(client, true, client->system->admin_group, client->system->admin_gid);
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