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84004dbf RS |
1 | /* |
2 | Copyright (C) 2010 by Ronnie Sahlberg <ronniesahlberg@gmail.com> | |
3 | ||
2606f9bb | 4 | |
84004dbf RS |
5 | |
6 | This program is distributed in the hope that it will be useful, | |
7 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
8 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
9 | GNU Lesser General Public License for more details. | |
10 | ||
11 | You should have received a copy of the GNU Lesser General Public License | |
12 | along with this program; if not, see <http://www.gnu.org/licenses/>. | |
13 | */ | |
14 | ||
a8a1b858 M |
15 | #ifdef WIN32 |
16 | #include "win32_compat.h" | |
eecdc4f3 RS |
17 | #else |
18 | #include <unistd.h> | |
19 | #include <strings.h> | |
a8a1b858 M |
20 | #endif/*WIN32*/ |
21 | #define _GNU_SOURCE | |
eecdc4f3 | 22 | |
84004dbf RS |
23 | #include <stdio.h> |
24 | #include <stdarg.h> | |
84004dbf | 25 | #include <string.h> |
98f5fee8 M |
26 | #include <stdlib.h> |
27 | #include <rpc/rpc.h> | |
84004dbf RS |
28 | #include <rpc/xdr.h> |
29 | #include "slist.h" | |
30 | #include "libnfs.h" | |
31 | #include "libnfs-raw.h" | |
32 | #include "libnfs-private.h" | |
33 | ||
34 | struct rpc_context *rpc_init_context(void) | |
35 | { | |
36 | struct rpc_context *rpc; | |
37 | ||
38 | rpc = malloc(sizeof(struct rpc_context)); | |
39 | if (rpc == NULL) { | |
84004dbf RS |
40 | return NULL; |
41 | } | |
ea98629a | 42 | memset(rpc, 0, sizeof(struct rpc_context)); |
84004dbf RS |
43 | |
44 | rpc->encodebuflen = 65536; | |
45 | rpc->encodebuf = malloc(rpc->encodebuflen); | |
46 | if (rpc->encodebuf == NULL) { | |
84004dbf RS |
47 | free(rpc); |
48 | return NULL; | |
49 | } | |
50 | ||
eecdc4f3 RS |
51 | #if defined(WIN32) |
52 | rpc->auth = authunix_create("LibNFS", 65535, 65535, 0, NULL); | |
53 | #else | |
54 | rpc->auth = authunix_create_default(); | |
55 | #endif | |
84004dbf | 56 | if (rpc->auth == NULL) { |
84004dbf RS |
57 | free(rpc->encodebuf); |
58 | free(rpc); | |
59 | return NULL; | |
60 | } | |
61 | rpc->xid = 1; | |
62 | rpc->fd = -1; | |
63 | ||
64 | return rpc; | |
65 | } | |
66 | ||
67 | ||
9e00b8c6 RS |
68 | struct rpc_context *rpc_init_udp_context(void) |
69 | { | |
70 | struct rpc_context *rpc; | |
71 | ||
72 | rpc = rpc_init_context(); | |
73 | if (rpc != NULL) { | |
74 | rpc->is_udp = 1; | |
75 | } | |
76 | ||
77 | return rpc; | |
78 | } | |
79 | ||
8704724f | 80 | void rpc_set_auth(struct rpc_context *rpc, AUTH *auth) |
84004dbf RS |
81 | { |
82 | if (rpc->auth != NULL) { | |
83 | auth_destroy(rpc->auth); | |
84 | } | |
8704724f | 85 | rpc->auth = auth; |
84004dbf RS |
86 | } |
87 | ||
88 | ||
89 | void rpc_set_error(struct rpc_context *rpc, char *error_string, ...) | |
90 | { | |
91 | va_list ap; | |
84004dbf RS |
92 | |
93 | if (rpc->error_string != NULL) { | |
94 | free(rpc->error_string); | |
95 | } | |
96 | va_start(ap, error_string); | |
b85c7de2 RS |
97 | rpc->error_string = malloc(1024); |
98 | vsnprintf(rpc->error_string, 1024, error_string, ap); | |
84004dbf RS |
99 | va_end(ap); |
100 | } | |
101 | ||
102 | char *rpc_get_error(struct rpc_context *rpc) | |
103 | { | |
104 | return rpc->error_string; | |
105 | } | |
106 | ||
107 | void rpc_error_all_pdus(struct rpc_context *rpc, char *error) | |
108 | { | |
109 | struct rpc_pdu *pdu; | |
110 | ||
111 | while((pdu = rpc->outqueue) != NULL) { | |
112 | pdu->cb(rpc, RPC_STATUS_ERROR, error, pdu->private_data); | |
113 | SLIST_REMOVE(&rpc->outqueue, pdu); | |
114 | rpc_free_pdu(rpc, pdu); | |
115 | } | |
116 | while((pdu = rpc->waitpdu) != NULL) { | |
117 | pdu->cb(rpc, RPC_STATUS_ERROR, error, pdu->private_data); | |
118 | SLIST_REMOVE(&rpc->waitpdu, pdu); | |
119 | rpc_free_pdu(rpc, pdu); | |
120 | } | |
121 | } | |
122 | ||
d678b73e RS |
123 | static void rpc_free_fragment(struct rpc_fragment *fragment) |
124 | { | |
125 | if (fragment->data != NULL) { | |
126 | free(fragment->data); | |
127 | } | |
128 | free(fragment); | |
129 | } | |
130 | ||
131 | void rpc_free_all_fragments(struct rpc_context *rpc) | |
132 | { | |
133 | while (rpc->fragments != NULL) { | |
134 | struct rpc_fragment *fragment = rpc->fragments; | |
135 | ||
136 | SLIST_REMOVE(&rpc->fragments, fragment); | |
137 | rpc_free_fragment(fragment); | |
138 | } | |
139 | } | |
140 | ||
183451cf | 141 | int rpc_add_fragment(struct rpc_context *rpc, char *data, uint64_t size) |
d678b73e RS |
142 | { |
143 | struct rpc_fragment *fragment; | |
144 | ||
145 | fragment = malloc(sizeof(struct rpc_fragment)); | |
146 | if (fragment == NULL) { | |
147 | return -1; | |
148 | } | |
149 | ||
150 | fragment->size = size; | |
151 | fragment->data = malloc(fragment->size); | |
152 | if(fragment->data == NULL) { | |
153 | free(fragment); | |
154 | return -1; | |
155 | } | |
156 | ||
157 | memcpy(fragment->data, data, fragment->size); | |
158 | SLIST_ADD_END(&rpc->fragments, fragment); | |
159 | return 0; | |
160 | } | |
84004dbf RS |
161 | |
162 | void rpc_destroy_context(struct rpc_context *rpc) | |
163 | { | |
164 | struct rpc_pdu *pdu; | |
165 | ||
166 | while((pdu = rpc->outqueue) != NULL) { | |
167 | pdu->cb(rpc, RPC_STATUS_CANCEL, NULL, pdu->private_data); | |
168 | SLIST_REMOVE(&rpc->outqueue, pdu); | |
169 | rpc_free_pdu(rpc, pdu); | |
170 | } | |
171 | while((pdu = rpc->waitpdu) != NULL) { | |
172 | pdu->cb(rpc, RPC_STATUS_CANCEL, NULL, pdu->private_data); | |
173 | SLIST_REMOVE(&rpc->waitpdu, pdu); | |
174 | rpc_free_pdu(rpc, pdu); | |
175 | } | |
176 | ||
d678b73e RS |
177 | rpc_free_all_fragments(rpc); |
178 | ||
84004dbf RS |
179 | auth_destroy(rpc->auth); |
180 | rpc->auth =NULL; | |
181 | ||
182 | if (rpc->fd != -1) { | |
eecdc4f3 RS |
183 | #if defined(WIN32) |
184 | closesocket(rpc->fd); | |
185 | #else | |
186 | close(rpc->fd); | |
187 | #endif | |
84004dbf RS |
188 | } |
189 | ||
190 | if (rpc->encodebuf != NULL) { | |
191 | free(rpc->encodebuf); | |
192 | rpc->encodebuf = NULL; | |
193 | } | |
194 | ||
195 | if (rpc->error_string != NULL) { | |
196 | free(rpc->error_string); | |
197 | rpc->error_string = NULL; | |
198 | } | |
199 | ||
7ff2f3a0 RS |
200 | if (rpc->udp_dest != NULL) { |
201 | free(rpc->udp_dest); | |
202 | rpc->udp_dest = NULL; | |
203 | } | |
204 | ||
84004dbf RS |
205 | free(rpc); |
206 | } | |
207 | ||
208 |