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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 | */ | |
00748f36 RS |
14 | #ifdef HAVE_CONFIG_H |
15 | #include "config.h" | |
16 | #endif | |
84004dbf | 17 | |
108c622a RS |
18 | #ifdef AROS |
19 | #include "aros_compat.h" | |
20 | #endif | |
21 | ||
a8a1b858 M |
22 | #ifdef WIN32 |
23 | #include "win32_compat.h" | |
bff8fe46 RS |
24 | #endif |
25 | ||
a8a1b858 | 26 | #define _GNU_SOURCE |
eecdc4f3 | 27 | |
00748f36 RS |
28 | #ifdef HAVE_UNISTD_H |
29 | #include <unistd.h> | |
30 | #endif | |
31 | ||
bff8fe46 RS |
32 | #ifdef HAVE_STRINGS_H |
33 | #include <strings.h> | |
34 | #endif | |
35 | ||
84004dbf RS |
36 | #include <stdio.h> |
37 | #include <stdarg.h> | |
84004dbf | 38 | #include <string.h> |
98f5fee8 | 39 | #include <stdlib.h> |
f3a75078 | 40 | #include <assert.h> |
a2756193 | 41 | #include <time.h> |
84004dbf | 42 | #include "slist.h" |
763cd6e3 | 43 | #include "libnfs-zdr.h" |
84004dbf RS |
44 | #include "libnfs.h" |
45 | #include "libnfs-raw.h" | |
46 | #include "libnfs-private.h" | |
47 | ||
48 | struct rpc_context *rpc_init_context(void) | |
49 | { | |
50 | struct rpc_context *rpc; | |
a2756193 | 51 | static uint32_t salt = 0; |
84004dbf RS |
52 | |
53 | rpc = malloc(sizeof(struct rpc_context)); | |
54 | if (rpc == NULL) { | |
84004dbf RS |
55 | return NULL; |
56 | } | |
ea98629a | 57 | memset(rpc, 0, sizeof(struct rpc_context)); |
84004dbf | 58 | |
f3a75078 | 59 | rpc->magic = RPC_CONTEXT_MAGIC; |
35280fd7 RS |
60 | |
61 | /* Allow 1M of data (for writes) and some */ | |
62 | rpc->encodebuflen = 1024 * 1024 + 4096; | |
84004dbf RS |
63 | rpc->encodebuf = malloc(rpc->encodebuflen); |
64 | if (rpc->encodebuf == NULL) { | |
84004dbf RS |
65 | free(rpc); |
66 | return NULL; | |
67 | } | |
68 | ||
eecdc4f3 | 69 | rpc->auth = authunix_create_default(); |
84004dbf | 70 | if (rpc->auth == NULL) { |
84004dbf RS |
71 | free(rpc->encodebuf); |
72 | free(rpc); | |
73 | return NULL; | |
74 | } | |
6fda9871 | 75 | rpc->xid = salt + time(NULL) + getpid() << 16; |
a2756193 | 76 | salt += 0x01000000; |
84004dbf | 77 | rpc->fd = -1; |
1c8b4547 | 78 | rpc->tcp_syncnt = RPC_PARAM_UNDEFINED; |
3af0c022 | 79 | #if defined(WIN32) || defined(ANDROID) |
9126c9c0 PL |
80 | rpc->uid = 65534; |
81 | rpc->gid = 65534; | |
82 | #else | |
83 | rpc->uid = getuid(); | |
84 | rpc->gid = getgid(); | |
85 | #endif | |
aec45c62 MH |
86 | rpc_reset_queue(&rpc->outqueue); |
87 | rpc_reset_queue(&rpc->waitpdu); | |
84004dbf RS |
88 | |
89 | return rpc; | |
90 | } | |
91 | ||
92 | ||
9e00b8c6 RS |
93 | struct rpc_context *rpc_init_udp_context(void) |
94 | { | |
95 | struct rpc_context *rpc; | |
96 | ||
97 | rpc = rpc_init_context(); | |
98 | if (rpc != NULL) { | |
99 | rpc->is_udp = 1; | |
100 | } | |
101 | ||
102 | return rpc; | |
103 | } | |
104 | ||
67ba2239 | 105 | void rpc_set_auth(struct rpc_context *rpc, struct AUTH *auth) |
84004dbf | 106 | { |
f3a75078 RS |
107 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
108 | ||
84004dbf RS |
109 | if (rpc->auth != NULL) { |
110 | auth_destroy(rpc->auth); | |
111 | } | |
8704724f | 112 | rpc->auth = auth; |
84004dbf RS |
113 | } |
114 | ||
9126c9c0 PL |
115 | static void rpc_set_uid_gid(struct rpc_context *rpc, int uid, int gid) { |
116 | if (uid != rpc->uid || gid != rpc->gid) { | |
117 | struct AUTH *auth = libnfs_authunix_create("libnfs", uid, gid, 0, NULL); | |
118 | if (auth != NULL) { | |
119 | rpc_set_auth(rpc, auth); | |
120 | rpc->uid = uid; | |
121 | rpc->gid = gid; | |
122 | } | |
123 | } | |
124 | } | |
125 | ||
126 | void rpc_set_uid(struct rpc_context *rpc, int uid) { | |
127 | rpc_set_uid_gid(rpc, uid, rpc->gid); | |
128 | } | |
129 | ||
130 | void rpc_set_gid(struct rpc_context *rpc, int gid) { | |
131 | rpc_set_uid_gid(rpc, rpc->uid, gid); | |
132 | } | |
84004dbf RS |
133 | |
134 | void rpc_set_error(struct rpc_context *rpc, char *error_string, ...) | |
135 | { | |
136 | va_list ap; | |
f0cb8042 | 137 | char *old_error_string = rpc->error_string; |
84004dbf | 138 | |
f3a75078 RS |
139 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
140 | ||
84004dbf | 141 | va_start(ap, error_string); |
b85c7de2 RS |
142 | rpc->error_string = malloc(1024); |
143 | vsnprintf(rpc->error_string, 1024, error_string, ap); | |
84004dbf | 144 | va_end(ap); |
f0cb8042 RS |
145 | |
146 | if (old_error_string != NULL) { | |
147 | free(old_error_string); | |
148 | } | |
84004dbf RS |
149 | } |
150 | ||
151 | char *rpc_get_error(struct rpc_context *rpc) | |
152 | { | |
f3a75078 RS |
153 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
154 | ||
84004dbf RS |
155 | return rpc->error_string; |
156 | } | |
157 | ||
158 | void rpc_error_all_pdus(struct rpc_context *rpc, char *error) | |
159 | { | |
aec45c62 | 160 | struct rpc_pdu *pdu, *next; |
84004dbf | 161 | |
f3a75078 RS |
162 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
163 | ||
aec45c62 | 164 | while ((pdu = rpc->outqueue.head) != NULL) { |
84004dbf | 165 | pdu->cb(rpc, RPC_STATUS_ERROR, error, pdu->private_data); |
aec45c62 | 166 | rpc->outqueue.head = pdu->next; |
84004dbf RS |
167 | rpc_free_pdu(rpc, pdu); |
168 | } | |
aec45c62 MH |
169 | rpc->outqueue.tail = NULL; |
170 | ||
171 | while((pdu = rpc->waitpdu.head) != NULL) { | |
84004dbf | 172 | pdu->cb(rpc, RPC_STATUS_ERROR, error, pdu->private_data); |
aec45c62 | 173 | rpc->waitpdu.head = pdu->next; |
84004dbf RS |
174 | rpc_free_pdu(rpc, pdu); |
175 | } | |
aec45c62 | 176 | rpc->waitpdu.tail = NULL; |
84004dbf RS |
177 | } |
178 | ||
d678b73e RS |
179 | static void rpc_free_fragment(struct rpc_fragment *fragment) |
180 | { | |
181 | if (fragment->data != NULL) { | |
182 | free(fragment->data); | |
183 | } | |
184 | free(fragment); | |
185 | } | |
186 | ||
187 | void rpc_free_all_fragments(struct rpc_context *rpc) | |
188 | { | |
f3a75078 RS |
189 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
190 | ||
d678b73e RS |
191 | while (rpc->fragments != NULL) { |
192 | struct rpc_fragment *fragment = rpc->fragments; | |
193 | ||
aec45c62 | 194 | rpc->fragments = fragment->next; |
d678b73e RS |
195 | rpc_free_fragment(fragment); |
196 | } | |
197 | } | |
198 | ||
183451cf | 199 | int rpc_add_fragment(struct rpc_context *rpc, char *data, uint64_t size) |
d678b73e RS |
200 | { |
201 | struct rpc_fragment *fragment; | |
202 | ||
f3a75078 RS |
203 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
204 | ||
d678b73e RS |
205 | fragment = malloc(sizeof(struct rpc_fragment)); |
206 | if (fragment == NULL) { | |
207 | return -1; | |
208 | } | |
209 | ||
210 | fragment->size = size; | |
211 | fragment->data = malloc(fragment->size); | |
212 | if(fragment->data == NULL) { | |
213 | free(fragment); | |
214 | return -1; | |
215 | } | |
216 | ||
217 | memcpy(fragment->data, data, fragment->size); | |
218 | SLIST_ADD_END(&rpc->fragments, fragment); | |
219 | return 0; | |
220 | } | |
84004dbf RS |
221 | |
222 | void rpc_destroy_context(struct rpc_context *rpc) | |
223 | { | |
224 | struct rpc_pdu *pdu; | |
225 | ||
f3a75078 RS |
226 | assert(rpc->magic == RPC_CONTEXT_MAGIC); |
227 | ||
aec45c62 | 228 | while((pdu = rpc->outqueue.head) != NULL) { |
84004dbf | 229 | pdu->cb(rpc, RPC_STATUS_CANCEL, NULL, pdu->private_data); |
aec45c62 | 230 | rpc->outqueue.head = pdu->next; |
84004dbf RS |
231 | rpc_free_pdu(rpc, pdu); |
232 | } | |
aec45c62 | 233 | while((pdu = rpc->waitpdu.head) != NULL) { |
84004dbf | 234 | pdu->cb(rpc, RPC_STATUS_CANCEL, NULL, pdu->private_data); |
aec45c62 | 235 | rpc->outqueue.head = pdu->next; |
84004dbf RS |
236 | rpc_free_pdu(rpc, pdu); |
237 | } | |
238 | ||
d678b73e RS |
239 | rpc_free_all_fragments(rpc); |
240 | ||
84004dbf RS |
241 | auth_destroy(rpc->auth); |
242 | rpc->auth =NULL; | |
243 | ||
244 | if (rpc->fd != -1) { | |
eecdc4f3 | 245 | close(rpc->fd); |
84004dbf RS |
246 | } |
247 | ||
248 | if (rpc->encodebuf != NULL) { | |
249 | free(rpc->encodebuf); | |
250 | rpc->encodebuf = NULL; | |
251 | } | |
252 | ||
253 | if (rpc->error_string != NULL) { | |
254 | free(rpc->error_string); | |
255 | rpc->error_string = NULL; | |
256 | } | |
257 | ||
7ff2f3a0 RS |
258 | if (rpc->udp_dest != NULL) { |
259 | free(rpc->udp_dest); | |
260 | rpc->udp_dest = NULL; | |
261 | } | |
262 | ||
f3a75078 | 263 | rpc->magic = 0; |
84004dbf RS |
264 | free(rpc); |
265 | } | |
266 | ||
267 |