58 #include <rpcsvc/mount.h>
59 #include <errno.h>
60 #include <locale.h>
61 #include <fslib.h>
62 #include <priv.h>
63 #include <tsol/label.h>
64 #include "replica.h"
65
66 #define RET_OK 0
67 #define RET_ERR 32
68
69 #ifdef __STDC__
70 static void pr_err(const char *fmt, ...);
71 #else
72 static void pr_err(char *fmt, va_dcl);
73 #endif
74 static void usage();
75 static int nfs_unmount(char *, int);
76 static void inform_server(char *, char *, bool_t);
77 static struct extmnttab *mnttab_find();
78 extern int __clnt_bindresvport();
79
80 static int is_v4_mount(struct extmnttab *);
81
82 static char *myname;
83 static char typename[64];
84
85 int
86 main(int argc, char *argv[])
87 {
88 extern int optind;
89 int c;
90 int umnt_flag = 0;
91
92 (void) setlocale(LC_ALL, "");
93
94 #if !defined(TEXT_DOMAIN)
95 #define TEXT_DOMAIN "SYS_TEST"
96 #endif
97 (void) textdomain(TEXT_DOMAIN);
98
99 myname = strrchr(argv[0], '/');
100 myname = myname ? myname+1 : argv[0];
101 (void) sprintf(typename, "nfs %s", myname);
102 argv[0] = typename;
103
104 /*
105 * Set options
106 */
107 while ((c = getopt(argc, argv, "f")) != EOF) {
108 switch (c) {
109 case 'f':
110 umnt_flag |= MS_FORCE; /* forced unmount is desired */
111 break;
112 default:
113 usage();
114 exit(RET_ERR);
115 }
116 }
117 if (argc - optind != 1) {
118 usage();
119 exit(RET_ERR);
120 }
121
137 */
138 return (nfs_unmount(argv[optind], umnt_flag));
139 }
140
141 static void
142 pr_err(const char *fmt, ...)
143 {
144 va_list ap;
145
146 va_start(ap, fmt);
147 (void) fprintf(stderr, "%s: ", typename);
148 (void) vfprintf(stderr, fmt, ap);
149 (void) fflush(stderr);
150 va_end(ap);
151 }
152
153 static void
154 usage()
155 {
156 (void) fprintf(stderr,
157 gettext("Usage: nfs umount [-o opts] {server:path | dir}\n"));
158 exit(RET_ERR);
159 }
160
161 static int
162 nfs_unmount(char *pathname, int umnt_flag)
163 {
164 struct extmnttab *mntp;
165 bool_t quick = FALSE;
166 int is_v4 = FALSE;
167
168 mntp = mnttab_find(pathname);
169 if (mntp) {
170 pathname = mntp->mnt_mountp;
171 }
172
173 if (mntp)
174 is_v4 = is_v4_mount(mntp);
175
176 /* Forced unmount will almost always be successful */
177 if (umount2(pathname, umnt_flag) < 0) {
209 char *dirname;
210 {
211 FILE *fp;
212 struct extmnttab mnt;
213 struct extmnttab *res = NULL;
214
215 fp = fopen(MNTTAB, "r");
216 if (fp == NULL) {
217 pr_err("%s: %s\n", MNTTAB, strerror(errno));
218 return (NULL);
219 }
220 while (getextmntent(fp, &mnt, sizeof (struct extmnttab)) == 0) {
221 if (strcmp(mnt.mnt_mountp, dirname) == 0 ||
222 strcmp(mnt.mnt_special, dirname) == 0) {
223 if (res)
224 fsfreemnttab(res);
225 res = fsdupmnttab(&mnt);
226 }
227 }
228
229 fclose(fp);
230 return (res);
231 }
232
233 /*
234 * If quick is TRUE, it will try to inform server quickly
235 * as possible.
236 */
237 static void
238 inform_server(char *string, char *opts, bool_t quick)
239 {
240 struct timeval timeout;
241 CLIENT *cl;
242 enum clnt_stat rpc_stat;
243 struct replica *list;
244 int i, n;
245 char *p = NULL;
246 static struct timeval create_timeout = {5, 0};
247 static struct timeval *timep;
248
249 list = parse_replica(string, &n);
344 */
345 vers = MOUNTVERS3;
346 goto retry;
347 }
348 if (rpc_stat != RPC_SUCCESS)
349 pr_err("%s\n", clnt_sperror(cl, "unmount"));
350 }
351
352 free_replica(list, n);
353 }
354
355 /*
356 * This function's behavior is taken from nfsstat.
357 * Trying to determine what NFS version was used for the mount.
358 */
359 int
360 is_v4_mount(struct extmnttab *mntp)
361 {
362 kstat_ctl_t *kc = NULL; /* libkstat cookie */
363 kstat_t *ksp;
364 ulong_t fsid;
365 struct mntinfo_kstat mik;
366
367 if (mntp == NULL)
368 return (FALSE);
369
370 if ((kc = kstat_open()) == NULL)
371 return (FALSE);
372
373 for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) {
374 if (ksp->ks_type != KSTAT_TYPE_RAW)
375 continue;
376 if (strcmp(ksp->ks_module, "nfs") != 0)
377 continue;
378 if (strcmp(ksp->ks_name, "mntinfo") != 0)
379 continue;
380 if (mntp->mnt_minor != ksp->ks_instance)
381 continue;
382
383 if (kstat_read(kc, ksp, &mik) == -1)
384 continue;
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58 #include <rpcsvc/mount.h>
59 #include <errno.h>
60 #include <locale.h>
61 #include <fslib.h>
62 #include <priv.h>
63 #include <tsol/label.h>
64 #include "replica.h"
65
66 #define RET_OK 0
67 #define RET_ERR 32
68
69 #ifdef __STDC__
70 static void pr_err(const char *fmt, ...);
71 #else
72 static void pr_err(char *fmt, va_dcl);
73 #endif
74 static void usage();
75 static int nfs_unmount(char *, int);
76 static void inform_server(char *, char *, bool_t);
77 static struct extmnttab *mnttab_find();
78 extern int __clnt_bindresvport(CLIENT *);
79
80 static int is_v4_mount(struct extmnttab *);
81
82 static char *myname;
83 static char typename[64];
84
85 int
86 main(int argc, char *argv[])
87 {
88 extern int optind;
89 int c;
90 int umnt_flag = 0;
91
92 (void) setlocale(LC_ALL, "");
93
94 #if !defined(TEXT_DOMAIN)
95 #define TEXT_DOMAIN "SYS_TEST"
96 #endif
97 (void) textdomain(TEXT_DOMAIN);
98
99 myname = strrchr(argv[0], '/');
100 myname = myname ? myname+1 : argv[0];
101 (void) snprintf(typename, sizeof (typename), "nfs %s", myname);
102 argv[0] = typename;
103
104 /*
105 * Set options
106 */
107 while ((c = getopt(argc, argv, "f")) != EOF) {
108 switch (c) {
109 case 'f':
110 umnt_flag |= MS_FORCE; /* forced unmount is desired */
111 break;
112 default:
113 usage();
114 exit(RET_ERR);
115 }
116 }
117 if (argc - optind != 1) {
118 usage();
119 exit(RET_ERR);
120 }
121
137 */
138 return (nfs_unmount(argv[optind], umnt_flag));
139 }
140
141 static void
142 pr_err(const char *fmt, ...)
143 {
144 va_list ap;
145
146 va_start(ap, fmt);
147 (void) fprintf(stderr, "%s: ", typename);
148 (void) vfprintf(stderr, fmt, ap);
149 (void) fflush(stderr);
150 va_end(ap);
151 }
152
153 static void
154 usage()
155 {
156 (void) fprintf(stderr,
157 gettext("Usage: nfs umount [-f] {server:path | dir}\n"));
158 exit(RET_ERR);
159 }
160
161 static int
162 nfs_unmount(char *pathname, int umnt_flag)
163 {
164 struct extmnttab *mntp;
165 bool_t quick = FALSE;
166 int is_v4 = FALSE;
167
168 mntp = mnttab_find(pathname);
169 if (mntp) {
170 pathname = mntp->mnt_mountp;
171 }
172
173 if (mntp)
174 is_v4 = is_v4_mount(mntp);
175
176 /* Forced unmount will almost always be successful */
177 if (umount2(pathname, umnt_flag) < 0) {
209 char *dirname;
210 {
211 FILE *fp;
212 struct extmnttab mnt;
213 struct extmnttab *res = NULL;
214
215 fp = fopen(MNTTAB, "r");
216 if (fp == NULL) {
217 pr_err("%s: %s\n", MNTTAB, strerror(errno));
218 return (NULL);
219 }
220 while (getextmntent(fp, &mnt, sizeof (struct extmnttab)) == 0) {
221 if (strcmp(mnt.mnt_mountp, dirname) == 0 ||
222 strcmp(mnt.mnt_special, dirname) == 0) {
223 if (res)
224 fsfreemnttab(res);
225 res = fsdupmnttab(&mnt);
226 }
227 }
228
229 (void) fclose(fp);
230 return (res);
231 }
232
233 /*
234 * If quick is TRUE, it will try to inform server quickly
235 * as possible.
236 */
237 static void
238 inform_server(char *string, char *opts, bool_t quick)
239 {
240 struct timeval timeout;
241 CLIENT *cl;
242 enum clnt_stat rpc_stat;
243 struct replica *list;
244 int i, n;
245 char *p = NULL;
246 static struct timeval create_timeout = {5, 0};
247 static struct timeval *timep;
248
249 list = parse_replica(string, &n);
344 */
345 vers = MOUNTVERS3;
346 goto retry;
347 }
348 if (rpc_stat != RPC_SUCCESS)
349 pr_err("%s\n", clnt_sperror(cl, "unmount"));
350 }
351
352 free_replica(list, n);
353 }
354
355 /*
356 * This function's behavior is taken from nfsstat.
357 * Trying to determine what NFS version was used for the mount.
358 */
359 int
360 is_v4_mount(struct extmnttab *mntp)
361 {
362 kstat_ctl_t *kc = NULL; /* libkstat cookie */
363 kstat_t *ksp;
364 struct mntinfo_kstat mik;
365
366 if (mntp == NULL)
367 return (FALSE);
368
369 if ((kc = kstat_open()) == NULL)
370 return (FALSE);
371
372 for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) {
373 if (ksp->ks_type != KSTAT_TYPE_RAW)
374 continue;
375 if (strcmp(ksp->ks_module, "nfs") != 0)
376 continue;
377 if (strcmp(ksp->ks_name, "mntinfo") != 0)
378 continue;
379 if (mntp->mnt_minor != ksp->ks_instance)
380 continue;
381
382 if (kstat_read(kc, ksp, &mik) == -1)
383 continue;
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