Branch data Line data Source code
1 : : /*
2 : : *****************************************************************************
3 : : *
4 : : * File: fko_nat_access.c
5 : : *
6 : : * Purpose: Set/Get the spa nat access request data.
7 : : *
8 : : * Fwknop is developed primarily by the people listed in the file 'AUTHORS'.
9 : : * Copyright (C) 2009-2014 fwknop developers and contributors. For a full
10 : : * list of contributors, see the file 'CREDITS'.
11 : : *
12 : : * License (GNU General Public License):
13 : : *
14 : : * This program is free software; you can redistribute it and/or
15 : : * modify it under the terms of the GNU General Public License
16 : : * as published by the Free Software Foundation; either version 2
17 : : * of the License, or (at your option) any later version.
18 : : *
19 : : * This program is distributed in the hope that it will be useful,
20 : : * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 : : * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 : : * GNU General Public License for more details.
23 : : *
24 : : * You should have received a copy of the GNU General Public License
25 : : * along with this program; if not, write to the Free Software
26 : : * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
27 : : * USA
28 : : *
29 : : *****************************************************************************
30 : : */
31 : : #include "fko_common.h"
32 : : #include "fko.h"
33 : :
34 : : /* Set the SPA Nat Access data
35 : : */
36 : : int
37 : 6309 : fko_set_spa_nat_access(fko_ctx_t ctx, const char * const msg)
38 : : {
39 : 6309 : int res = FKO_SUCCESS;
40 : :
41 : : #if HAVE_LIBFIU
42 [ + - ]: 6309 : fiu_return_on("fko_set_spa_nat_access_init", FKO_ERROR_CTX_NOT_INITIALIZED);
43 : : #endif
44 : :
45 : : /* Context must be initialized.
46 : : */
47 [ + + ][ + - ]: 6309 : if(!CTX_INITIALIZED(ctx))
48 : : return FKO_ERROR_CTX_NOT_INITIALIZED;
49 : :
50 : : /* Gotta have a valid string.
51 : : */
52 [ + + ][ + + ]: 6295 : if(msg == NULL || strnlen(msg, MAX_SPA_NAT_ACCESS_SIZE) == 0)
53 : : return(FKO_ERROR_INVALID_DATA_NAT_EMPTY);
54 : :
55 : : #if HAVE_LIBFIU
56 [ + - ]: 6197 : fiu_return_on("fko_set_spa_nat_access_empty", FKO_ERROR_INVALID_DATA_NAT_EMPTY);
57 : : #endif
58 : :
59 : : /* --DSS XXX: Bail out for now. But consider just
60 : : * truncating in the future...
61 : : */
62 [ + + ]: 6197 : if(strnlen(msg, MAX_SPA_NAT_ACCESS_SIZE) == MAX_SPA_NAT_ACCESS_SIZE)
63 : : return(FKO_ERROR_DATA_TOO_LARGE);
64 : :
65 : : #if HAVE_LIBFIU
66 [ + - ]: 5861 : fiu_return_on("fko_set_spa_nat_access_large", FKO_ERROR_DATA_TOO_LARGE);
67 : : #endif
68 : :
69 [ + + ]: 5861 : if((res = validate_nat_access_msg(msg)) != FKO_SUCCESS)
70 : : return(res);
71 : :
72 : : /* Just in case this is a subsquent call to this function. We
73 : : * do not want to be leaking memory.
74 : : */
75 [ + + ]: 320 : if(ctx->nat_access != NULL)
76 : 171 : free(ctx->nat_access);
77 : :
78 : 320 : ctx->nat_access = strdup(msg);
79 : :
80 : 320 : ctx->state |= FKO_DATA_MODIFIED;
81 : :
82 [ + - ]: 320 : if(ctx->nat_access == NULL)
83 : : return(FKO_ERROR_MEMORY_ALLOCATION);
84 : :
85 : : /* If we set the nat_access message Then we force the message_type
86 : : * as well. Technically, the message type should be set already.
87 : : * This will serve a half-protective measure.
88 : : * --DSS XXX: should do this better.
89 : : */
90 [ + + ]: 320 : if(ctx->client_timeout > 0)
91 : : {
92 [ + + ]: 84 : if(ctx->message_type != FKO_CLIENT_TIMEOUT_LOCAL_NAT_ACCESS_MSG)
93 : 59 : ctx->message_type = FKO_CLIENT_TIMEOUT_NAT_ACCESS_MSG;
94 : : }
95 : : else
96 [ + + ]: 236 : if(ctx->message_type != FKO_LOCAL_NAT_ACCESS_MSG)
97 : 220 : ctx->message_type = FKO_NAT_ACCESS_MSG;
98 : :
99 : : return(FKO_SUCCESS);
100 : : }
101 : :
102 : : /* Return the SPA message data.
103 : : */
104 : : int
105 : 4494 : fko_get_spa_nat_access(fko_ctx_t ctx, char **nat_access)
106 : : {
107 : :
108 : : #if HAVE_LIBFIU
109 [ + + ]: 4494 : fiu_return_on("fko_get_spa_nat_access_init", FKO_ERROR_CTX_NOT_INITIALIZED);
110 : : #endif
111 : :
112 : : /* Must be initialized
113 : : */
114 [ + + ][ + - ]: 4492 : if(!CTX_INITIALIZED(ctx))
115 : : return(FKO_ERROR_CTX_NOT_INITIALIZED);
116 : :
117 [ + + ]: 4340 : if(nat_access == NULL)
118 : : return(FKO_ERROR_INVALID_DATA);
119 : :
120 : : #if HAVE_LIBFIU
121 [ + + ]: 4272 : fiu_return_on("fko_get_spa_nat_access_val", FKO_ERROR_INVALID_DATA);
122 : : #endif
123 : :
124 : 4270 : *nat_access = ctx->nat_access;
125 : :
126 : 4270 : return(FKO_SUCCESS);
127 : : }
128 : :
129 : : /***EOF***/
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