1 /*
2 * virfirmware.c: Definition of firmware object and supporting functions
3 *
4 * Copyright (C) 2016 SUSE LINUX Products GmbH, Nuernberg, Germany.
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library. If not, see
18 * <http://www.gnu.org/licenses/>.
19 */
20
21 #include <config.h>
22
23 #include "viralloc.h"
24 #include "virerror.h"
25 #include "virfirmware.h"
26 #include "virlog.h"
27 #include "virstring.h"
28
29 #define VIR_FROM_THIS VIR_FROM_NONE
30
31 VIR_LOG_INIT("util.firmware");
32
33
34 void
virFirmwareFree(virFirmware * firmware)35 virFirmwareFree(virFirmware *firmware)
36 {
37 if (!firmware)
38 return;
39
40 g_free(firmware->name);
41 g_free(firmware->nvram);
42 g_free(firmware);
43 }
44
45
46 void
virFirmwareFreeList(virFirmware ** firmwares,size_t nfirmwares)47 virFirmwareFreeList(virFirmware **firmwares, size_t nfirmwares)
48 {
49 size_t i;
50
51 for (i = 0; i < nfirmwares; i++)
52 virFirmwareFree(firmwares[i]);
53
54 g_free(firmwares);
55 }
56
57
58 int
virFirmwareParse(const char * str,virFirmware * firmware)59 virFirmwareParse(const char *str, virFirmware *firmware)
60 {
61 int ret = -1;
62 g_auto(GStrv) token = NULL;
63
64 if (!(token = g_strsplit(str, ":", 0)))
65 goto cleanup;
66
67 if (token[0]) {
68 virSkipSpaces((const char **) &token[0]);
69 if (token[1])
70 virSkipSpaces((const char **) &token[1]);
71 }
72
73 /* Exactly two tokens are expected */
74 if (!token[0] || !token[1] || token[2] ||
75 STREQ(token[0], "") || STREQ(token[1], "")) {
76 virReportError(VIR_ERR_CONF_SYNTAX,
77 _("Invalid nvram format: '%s'"),
78 str);
79 goto cleanup;
80 }
81
82 firmware->name = g_strdup(token[0]);
83 firmware->nvram = g_strdup(token[1]);
84
85 ret = 0;
86 cleanup:
87 return ret;
88 }
89
90
91 int
virFirmwareParseList(const char * list,virFirmware *** firmwares,size_t * nfirmwares)92 virFirmwareParseList(const char *list,
93 virFirmware ***firmwares,
94 size_t *nfirmwares)
95 {
96 int ret = -1;
97 g_auto(GStrv) token = NULL;
98 size_t i, j;
99
100 if (!(token = g_strsplit(list, ":", 0)))
101 goto cleanup;
102
103 for (i = 0; token[i]; i += 2) {
104 if (!token[i] || !token[i + 1] ||
105 STREQ(token[i], "") || STREQ(token[i + 1], "")) {
106 virReportError(VIR_ERR_INTERNAL_ERROR,
107 _("Invalid --with-loader-nvram list: %s"),
108 list);
109 goto cleanup;
110 }
111 }
112
113 if (i) {
114 *firmwares = g_new0(virFirmware *, i / 2);
115 *nfirmwares = i / 2;
116
117 for (j = 0; j < i / 2; j++) {
118 virFirmware **fws = *firmwares;
119
120 fws[j] = g_new0(virFirmware, 1);
121 fws[j]->name = g_strdup(token[2 * j]);
122 fws[j]->nvram = g_strdup(token[2 * j + 1]);
123 }
124 }
125
126 ret = 0;
127 cleanup:
128 return ret;
129 }
130