1 478ee963 2003-11-23 devnull #include <u.h>
2 478ee963 2003-11-23 devnull #define NOPLAN9DEFINES
3 478ee963 2003-11-23 devnull #include <libc.h>
4 478ee963 2003-11-23 devnull #include <sys/types.h>
5 fd04aace 2003-11-23 devnull #include <sys/stat.h>
6 fd04aace 2003-11-23 devnull #include <dirent.h>
7 fd04aace 2003-11-23 devnull #include <pwd.h>
8 fd04aace 2003-11-23 devnull #include <grp.h>
10 fe8c925e 2005-07-21 devnull #if defined(__FreeBSD__) || defined(__OpenBSD__)
11 64bcfff3 2003-11-25 devnull #include <sys/disklabel.h>
12 fe8c925e 2005-07-21 devnull #include <sys/ioctl.h>
13 669250d1 2003-12-03 devnull static int diskdev[] = {
14 669250d1 2003-12-03 devnull 151, /* aacd */
15 669250d1 2003-12-03 devnull 116, /* ad */
16 669250d1 2003-12-03 devnull 157, /* ar */
17 669250d1 2003-12-03 devnull 118, /* afd */
18 669250d1 2003-12-03 devnull 133, /* amrd */
19 669250d1 2003-12-03 devnull 13, /* da */
20 669250d1 2003-12-03 devnull 102, /* fla */
21 669250d1 2003-12-03 devnull 109, /* idad */
22 669250d1 2003-12-03 devnull 95, /* md */
23 669250d1 2003-12-03 devnull 131, /* mlxd */
24 669250d1 2003-12-03 devnull 168, /* pst */
25 669250d1 2003-12-03 devnull 147, /* twed */
26 669250d1 2003-12-03 devnull 43, /* vn */
27 669250d1 2003-12-03 devnull 3, /* wd */
28 669250d1 2003-12-03 devnull 87, /* wfd */
29 a98755e0 2006-01-07 devnull 4, /* da on FreeBSD 5 */
31 669250d1 2003-12-03 devnull static int
32 669250d1 2003-12-03 devnull isdisk(struct stat *st)
34 669250d1 2003-12-03 devnull int i, dev;
36 669250d1 2003-12-03 devnull if(!S_ISCHR(st->st_mode))
37 669250d1 2003-12-03 devnull return 0;
38 669250d1 2003-12-03 devnull dev = major(st->st_rdev);
39 669250d1 2003-12-03 devnull for(i=0; i<nelem(diskdev); i++)
40 669250d1 2003-12-03 devnull if(diskdev[i] == dev)
41 669250d1 2003-12-03 devnull return 1;
42 669250d1 2003-12-03 devnull return 0;
44 64bcfff3 2003-11-25 devnull #define _HAVEDISKLABEL
47 7317e77d 2004-04-25 devnull #if defined(__linux__)
48 7317e77d 2004-04-25 devnull #include <linux/hdreg.h>
49 7317e77d 2004-04-25 devnull #include <linux/fs.h>
50 7317e77d 2004-04-25 devnull #include <sys/ioctl.h>
51 a3e9d893 2005-08-10 devnull #undef major
52 a3e9d893 2005-08-10 devnull #define major(dev) ((int)(((dev) >> 8) & 0xff))
53 7317e77d 2004-04-25 devnull static vlong
54 7317e77d 2004-04-25 devnull disksize(int fd, int dev)
56 7317e77d 2004-04-25 devnull u64int u64;
58 7317e77d 2004-04-25 devnull struct hd_geometry geo;
60 ceecb313 2004-06-09 devnull memset(&geo, 0, sizeof geo);
63 76e6aca8 2004-05-15 devnull #ifdef BLKGETSIZE64
64 7317e77d 2004-04-25 devnull if(ioctl(fd, BLKGETSIZE64, &u64) >= 0)
65 7317e77d 2004-04-25 devnull return u64;
67 7317e77d 2004-04-25 devnull if(ioctl(fd, BLKGETSIZE, &l) >= 0)
68 3d484b0d 2005-12-29 devnull return l*512;
69 7317e77d 2004-04-25 devnull if(ioctl(fd, HDIO_GETGEO, &geo) >= 0)
70 7317e77d 2004-04-25 devnull return (vlong)geo.heads*geo.sectors*geo.cylinders*512;
71 7317e77d 2004-04-25 devnull return 0;
73 7317e77d 2004-04-25 devnull #define _HAVEDISKSIZE
76 64bcfff3 2003-11-25 devnull #if !defined(__linux__) && !defined(__sun__)
77 64bcfff3 2003-11-25 devnull #define _HAVESTGEN
80 63fcc2bc 2006-06-12 devnull int _p9usepwlibrary = 1;
82 6f6553df 2004-04-08 devnull * Caching the last group and passwd looked up is
83 6f6553df 2004-04-08 devnull * a significant win (stupidly enough) on most systems.
84 6f6553df 2004-04-08 devnull * It's not safe for threaded programs, but neither is using
85 6f6553df 2004-04-08 devnull * getpwnam in the first place, so I'm not too worried.
88 0a229052 2005-02-08 devnull _p9dir(struct stat *lst, struct stat *st, char *name, Dir *d, char **str, char *estr)
91 fd04aace 2003-11-23 devnull char tmp[20];
92 6f6553df 2004-04-08 devnull static struct group *g;
93 6f6553df 2004-04-08 devnull static struct passwd *p;
94 6f6553df 2004-04-08 devnull static int gid, uid;
95 7317e77d 2004-04-25 devnull int sz, fd;
98 631fe87f 2004-05-14 devnull USED(fd);
101 fd04aace 2003-11-23 devnull memset(d, 0, sizeof *d);
103 fd04aace 2003-11-23 devnull /* name */
104 fd04aace 2003-11-23 devnull s = strrchr(name, '/');
107 fd04aace 2003-11-23 devnull if(!s || !*s)
108 fd04aace 2003-11-23 devnull s = name;
109 fd04aace 2003-11-23 devnull if(*s == '/')
111 fd04aace 2003-11-23 devnull if(*s == 0)
112 fd04aace 2003-11-23 devnull s = "/";
114 fd04aace 2003-11-23 devnull if(*str + strlen(s)+1 > estr)
115 fd04aace 2003-11-23 devnull d->name = "oops";
117 fd04aace 2003-11-23 devnull strcpy(*str, s);
118 fd04aace 2003-11-23 devnull d->name = *str;
119 fd04aace 2003-11-23 devnull *str += strlen(*str)+1;
122 fd04aace 2003-11-23 devnull sz += strlen(s)+1;
124 fd04aace 2003-11-23 devnull /* user */
125 6f6553df 2004-04-08 devnull if(p && st->st_uid == uid && p->pw_uid == uid)
127 63fcc2bc 2006-06-12 devnull else if(_p9usepwlibrary){
128 6f6553df 2004-04-08 devnull p = getpwuid(st->st_uid);
129 6f6553df 2004-04-08 devnull uid = st->st_uid;
131 63fcc2bc 2006-06-12 devnull if(p == nil || st->st_uid != uid || p->pw_uid != uid){
132 fd04aace 2003-11-23 devnull snprint(tmp, sizeof tmp, "%d", (int)st->st_uid);
133 fd04aace 2003-11-23 devnull s = tmp;
135 fd04aace 2003-11-23 devnull s = p->pw_name;
136 fd04aace 2003-11-23 devnull sz += strlen(s)+1;
138 fd04aace 2003-11-23 devnull if(*str+strlen(s)+1 > estr)
139 fd04aace 2003-11-23 devnull d->uid = "oops";
141 fd04aace 2003-11-23 devnull strcpy(*str, s);
142 fd04aace 2003-11-23 devnull d->uid = *str;
143 fd04aace 2003-11-23 devnull *str += strlen(*str)+1;
147 fd04aace 2003-11-23 devnull /* group */
148 6f6553df 2004-04-08 devnull if(g && st->st_gid == gid && g->gr_gid == gid)
150 63fcc2bc 2006-06-12 devnull else if(_p9usepwlibrary){
151 6f6553df 2004-04-08 devnull g = getgrgid(st->st_gid);
152 6f6553df 2004-04-08 devnull gid = st->st_gid;
154 63fcc2bc 2006-06-12 devnull if(g == nil || st->st_gid != gid || g->gr_gid != gid){
155 fd04aace 2003-11-23 devnull snprint(tmp, sizeof tmp, "%d", (int)st->st_gid);
156 fd04aace 2003-11-23 devnull s = tmp;
158 fd04aace 2003-11-23 devnull s = g->gr_name;
159 fd04aace 2003-11-23 devnull sz += strlen(s)+1;
161 fd04aace 2003-11-23 devnull if(*str + strlen(s)+1 > estr)
162 fd04aace 2003-11-23 devnull d->gid = "oops";
164 fd04aace 2003-11-23 devnull strcpy(*str, s);
165 fd04aace 2003-11-23 devnull d->gid = *str;
166 fd04aace 2003-11-23 devnull *str += strlen(*str)+1;
171 fd04aace 2003-11-23 devnull d->type = 'M';
173 fd04aace 2003-11-23 devnull d->muid = "";
174 fd04aace 2003-11-23 devnull d->qid.path = ((uvlong)st->st_dev<<32) | st->st_ino;
175 1c253ceb 2003-11-23 devnull #ifdef _HAVESTGEN
176 fd04aace 2003-11-23 devnull d->qid.vers = st->st_gen;
178 3d484b0d 2005-12-29 devnull if(d->qid.vers == 0)
179 3d484b0d 2005-12-29 devnull d->qid.vers = st->st_mtime + st->st_ctime;
180 fd04aace 2003-11-23 devnull d->mode = st->st_mode&0777;
181 fd04aace 2003-11-23 devnull d->atime = st->st_atime;
182 fd04aace 2003-11-23 devnull d->mtime = st->st_mtime;
183 fd04aace 2003-11-23 devnull d->length = st->st_size;
185 fd04aace 2003-11-23 devnull if(S_ISDIR(st->st_mode)){
186 fd04aace 2003-11-23 devnull d->length = 0;
187 fd04aace 2003-11-23 devnull d->mode |= DMDIR;
188 fd04aace 2003-11-23 devnull d->qid.type = QTDIR;
190 98660df2 2005-02-21 devnull if(S_ISLNK(lst->st_mode)) /* yes, lst not st */
191 2acd6fa6 2005-02-08 devnull d->mode |= DMSYMLINK;
192 2acd6fa6 2005-02-08 devnull if(S_ISFIFO(st->st_mode))
193 2acd6fa6 2005-02-08 devnull d->mode |= DMNAMEDPIPE;
194 2acd6fa6 2005-02-08 devnull if(S_ISSOCK(st->st_mode))
195 2acd6fa6 2005-02-08 devnull d->mode |= DMSOCKET;
196 2acd6fa6 2005-02-08 devnull if(S_ISBLK(st->st_mode)){
197 2acd6fa6 2005-02-08 devnull d->mode |= DMDEVICE;
198 2acd6fa6 2005-02-08 devnull d->qid.path = ('b'<<16)|st->st_rdev;
200 2acd6fa6 2005-02-08 devnull if(S_ISCHR(st->st_mode)){
201 2acd6fa6 2005-02-08 devnull d->mode |= DMDEVICE;
202 2acd6fa6 2005-02-08 devnull d->qid.path = ('c'<<16)|st->st_rdev;
204 fd04aace 2003-11-23 devnull /* fetch real size for disks */
205 7317e77d 2004-04-25 devnull #ifdef _HAVEDISKSIZE
206 3d72637f 2004-04-26 devnull if(S_ISBLK(st->st_mode) && (fd = open(name, O_RDONLY)) >= 0){
207 7317e77d 2004-04-25 devnull d->length = disksize(fd, major(st->st_dev));
208 7317e77d 2004-04-25 devnull close(fd);
211 1c253ceb 2003-11-23 devnull #ifdef _HAVEDISKLABEL
212 669250d1 2003-12-03 devnull if(isdisk(st)){
213 fd04aace 2003-11-23 devnull int fd, n;
214 fd04aace 2003-11-23 devnull struct disklabel lab;
216 fd04aace 2003-11-23 devnull if((fd = open(name, O_RDONLY)) < 0)
217 fd04aace 2003-11-23 devnull goto nosize;
218 fd04aace 2003-11-23 devnull if(ioctl(fd, DIOCGDINFO, &lab) < 0)
219 fd04aace 2003-11-23 devnull goto nosize;
220 fd04aace 2003-11-23 devnull n = minor(st->st_rdev)&7;
221 fd04aace 2003-11-23 devnull if(n >= lab.d_npartitions)
222 fd04aace 2003-11-23 devnull goto nosize;
224 fd04aace 2003-11-23 devnull d->length = (vlong)(lab.d_partitions[n].p_size) * lab.d_secsize;
227 fd04aace 2003-11-23 devnull if(fd >= 0)
228 fd04aace 2003-11-23 devnull close(fd);
233 fd04aace 2003-11-23 devnull return sz;
