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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 | 26 | #include <stdlib.h> |
4a2b0876 | 27 | #include <assert.h> |
98f5fee8 | 28 | #include <rpc/rpc.h> |
84004dbf RS |
29 | #include <rpc/xdr.h> |
30 | #include "slist.h" | |
31 | #include "libnfs.h" | |
32 | #include "libnfs-raw.h" | |
33 | #include "libnfs-private.h" | |
34 | ||
35 | struct rpc_context *rpc_init_context(void) | |
36 | { | |
37 | struct rpc_context *rpc; | |
38 | ||
39 | rpc = malloc(sizeof(struct rpc_context)); | |
40 | if (rpc == NULL) { | |
84004dbf RS |
41 | return NULL; |
42 | } | |
ea98629a | 43 | memset(rpc, 0, sizeof(struct rpc_context)); |
84004dbf | 44 | |
4a2b0876 | 45 | rpc->magic = RPC_CONTEXT_MAGIC; |
84004dbf RS |
46 | rpc->encodebuflen = 65536; |
47 | rpc->encodebuf = malloc(rpc->encodebuflen); | |
48 | if (rpc->encodebuf == NULL) { | |
84004dbf RS |
49 | free(rpc); |
50 | return NULL; | |
51 | } | |
52 | ||
eecdc4f3 RS |
53 | #if defined(WIN32) |
54 | rpc->auth = authunix_create("LibNFS", 65535, 65535, 0, NULL); | |
55 | #else | |
56 | rpc->auth = authunix_create_default(); | |
57 | #endif | |
84004dbf | 58 | if (rpc->auth == NULL) { |
84004dbf RS |
59 | free(rpc->encodebuf); |
60 | free(rpc); | |
61 | return NULL; | |
62 | } | |
63 | rpc->xid = 1; | |
64 | rpc->fd = -1; | |
65 | ||
66 | return rpc; | |
67 | } | |
68 | ||
69 | ||
9e00b8c6 RS |
70 | struct rpc_context *rpc_init_udp_context(void) |
71 | { | |
72 | struct rpc_context *rpc; | |
73 | ||
74 | rpc = rpc_init_context(); | |
75 | if (rpc != NULL) { | |
76 | rpc->is_udp = 1; | |
77 | } | |
78 | ||
79 | return rpc; | |
80 | } | |
81 | ||
8704724f | 82 | void rpc_set_auth(struct rpc_context *rpc, AUTH *auth) |
84004dbf | 83 | { |
4a2b0876 RS |
84 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
85 | ||
84004dbf RS |
86 | if (rpc->auth != NULL) { |
87 | auth_destroy(rpc->auth); | |
88 | } | |
8704724f | 89 | rpc->auth = auth; |
84004dbf RS |
90 | } |
91 | ||
92 | ||
93 | void rpc_set_error(struct rpc_context *rpc, char *error_string, ...) | |
94 | { | |
95 | va_list ap; | |
84004dbf | 96 | |
4a2b0876 RS |
97 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
98 | ||
84004dbf RS |
99 | if (rpc->error_string != NULL) { |
100 | free(rpc->error_string); | |
101 | } | |
102 | va_start(ap, error_string); | |
b85c7de2 RS |
103 | rpc->error_string = malloc(1024); |
104 | vsnprintf(rpc->error_string, 1024, error_string, ap); | |
84004dbf RS |
105 | va_end(ap); |
106 | } | |
107 | ||
108 | char *rpc_get_error(struct rpc_context *rpc) | |
109 | { | |
4a2b0876 RS |
110 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
111 | ||
84004dbf RS |
112 | return rpc->error_string; |
113 | } | |
114 | ||
115 | void rpc_error_all_pdus(struct rpc_context *rpc, char *error) | |
116 | { | |
117 | struct rpc_pdu *pdu; | |
118 | ||
4a2b0876 RS |
119 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
120 | ||
84004dbf RS |
121 | while((pdu = rpc->outqueue) != NULL) { |
122 | pdu->cb(rpc, RPC_STATUS_ERROR, error, pdu->private_data); | |
123 | SLIST_REMOVE(&rpc->outqueue, pdu); | |
124 | rpc_free_pdu(rpc, pdu); | |
125 | } | |
126 | while((pdu = rpc->waitpdu) != NULL) { | |
127 | pdu->cb(rpc, RPC_STATUS_ERROR, error, pdu->private_data); | |
128 | SLIST_REMOVE(&rpc->waitpdu, pdu); | |
129 | rpc_free_pdu(rpc, pdu); | |
130 | } | |
131 | } | |
132 | ||
d678b73e RS |
133 | static void rpc_free_fragment(struct rpc_fragment *fragment) |
134 | { | |
135 | if (fragment->data != NULL) { | |
136 | free(fragment->data); | |
137 | } | |
138 | free(fragment); | |
139 | } | |
140 | ||
141 | void rpc_free_all_fragments(struct rpc_context *rpc) | |
142 | { | |
4a2b0876 RS |
143 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
144 | ||
d678b73e RS |
145 | while (rpc->fragments != NULL) { |
146 | struct rpc_fragment *fragment = rpc->fragments; | |
147 | ||
148 | SLIST_REMOVE(&rpc->fragments, fragment); | |
149 | rpc_free_fragment(fragment); | |
150 | } | |
151 | } | |
152 | ||
183451cf | 153 | int rpc_add_fragment(struct rpc_context *rpc, char *data, uint64_t size) |
d678b73e RS |
154 | { |
155 | struct rpc_fragment *fragment; | |
156 | ||
4a2b0876 RS |
157 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
158 | ||
d678b73e RS |
159 | fragment = malloc(sizeof(struct rpc_fragment)); |
160 | if (fragment == NULL) { | |
161 | return -1; | |
162 | } | |
163 | ||
164 | fragment->size = size; | |
165 | fragment->data = malloc(fragment->size); | |
166 | if(fragment->data == NULL) { | |
167 | free(fragment); | |
168 | return -1; | |
169 | } | |
170 | ||
171 | memcpy(fragment->data, data, fragment->size); | |
172 | SLIST_ADD_END(&rpc->fragments, fragment); | |
173 | return 0; | |
174 | } | |
84004dbf RS |
175 | |
176 | void rpc_destroy_context(struct rpc_context *rpc) | |
177 | { | |
178 | struct rpc_pdu *pdu; | |
179 | ||
4a2b0876 RS |
180 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
181 | ||
84004dbf RS |
182 | while((pdu = rpc->outqueue) != NULL) { |
183 | pdu->cb(rpc, RPC_STATUS_CANCEL, NULL, pdu->private_data); | |
184 | SLIST_REMOVE(&rpc->outqueue, pdu); | |
185 | rpc_free_pdu(rpc, pdu); | |
186 | } | |
187 | while((pdu = rpc->waitpdu) != NULL) { | |
188 | pdu->cb(rpc, RPC_STATUS_CANCEL, NULL, pdu->private_data); | |
189 | SLIST_REMOVE(&rpc->waitpdu, pdu); | |
190 | rpc_free_pdu(rpc, pdu); | |
191 | } | |
192 | ||
d678b73e RS |
193 | rpc_free_all_fragments(rpc); |
194 | ||
84004dbf RS |
195 | auth_destroy(rpc->auth); |
196 | rpc->auth =NULL; | |
197 | ||
198 | if (rpc->fd != -1) { | |
eecdc4f3 RS |
199 | #if defined(WIN32) |
200 | closesocket(rpc->fd); | |
201 | #else | |
202 | close(rpc->fd); | |
203 | #endif | |
84004dbf RS |
204 | } |
205 | ||
206 | if (rpc->encodebuf != NULL) { | |
207 | free(rpc->encodebuf); | |
208 | rpc->encodebuf = NULL; | |
209 | } | |
210 | ||
211 | if (rpc->error_string != NULL) { | |
212 | free(rpc->error_string); | |
213 | rpc->error_string = NULL; | |
214 | } | |
215 | ||
7ff2f3a0 RS |
216 | if (rpc->udp_dest != NULL) { |
217 | free(rpc->udp_dest); | |
218 | rpc->udp_dest = NULL; | |
219 | } | |
220 | ||
4a2b0876 | 221 | rpc->magic = 0; |
84004dbf RS |
222 | free(rpc); |
223 | } | |
224 | ||
225 |