Revision b67592ea hw/virtio-9p.c
| b/hw/virtio-9p.c | ||
|---|---|---|
| 172 | 172 |
return s->ops->mknod(&s->ctx, name, &cred); |
| 173 | 173 |
} |
| 174 | 174 |
|
| 175 |
static int v9fs_do_mkdir(V9fsState *s, V9fsCreateState *vs) |
|
| 175 |
static int v9fs_do_mkdir(V9fsState *s, char *name, mode_t mode, |
|
| 176 |
uid_t uid, gid_t gid) |
|
| 176 | 177 |
{
|
| 177 | 178 |
FsCred cred; |
| 178 | 179 |
|
| 179 | 180 |
cred_init(&cred); |
| 180 |
cred.fc_uid = vs->fidp->uid; |
|
| 181 |
cred.fc_mode = vs->perm & 0777; |
|
| 181 |
cred.fc_uid = uid; |
|
| 182 |
cred.fc_gid = gid; |
|
| 183 |
cred.fc_mode = mode; |
|
| 182 | 184 |
|
| 183 |
return s->ops->mkdir(&s->ctx, vs->fullname.data, &cred);
|
|
| 185 |
return s->ops->mkdir(&s->ctx, name, &cred);
|
|
| 184 | 186 |
} |
| 185 | 187 |
|
| 186 | 188 |
static int v9fs_do_fstat(V9fsState *s, int fd, struct stat *stbuf) |
| ... | ... | |
| 2294 | 2296 |
} |
| 2295 | 2297 |
|
| 2296 | 2298 |
if (vs->perm & P9_STAT_MODE_DIR) {
|
| 2297 |
err = v9fs_do_mkdir(s, vs); |
|
| 2299 |
err = v9fs_do_mkdir(s, vs->fullname.data, vs->perm & 0777, |
|
| 2300 |
vs->fidp->uid, -1); |
|
| 2298 | 2301 |
v9fs_create_post_mkdir(s, vs, err); |
| 2299 | 2302 |
} else if (vs->perm & P9_STAT_MODE_SYMLINK) {
|
| 2300 | 2303 |
err = v9fs_do_symlink(s, vs->fidp, vs->extension.data, |
| ... | ... | |
| 2924 | 2927 |
qemu_free(vs); |
| 2925 | 2928 |
} |
| 2926 | 2929 |
|
| 2930 |
static void v9fs_mkdir_post_lstat(V9fsState *s, V9fsMkState *vs, int err) |
|
| 2931 |
{
|
|
| 2932 |
if (err == -1) {
|
|
| 2933 |
err = -errno; |
|
| 2934 |
goto out; |
|
| 2935 |
} |
|
| 2936 |
|
|
| 2937 |
stat_to_qid(&vs->stbuf, &vs->qid); |
|
| 2938 |
vs->offset += pdu_marshal(vs->pdu, vs->offset, "Q", &vs->qid); |
|
| 2939 |
err = vs->offset; |
|
| 2940 |
out: |
|
| 2941 |
complete_pdu(s, vs->pdu, err); |
|
| 2942 |
v9fs_string_free(&vs->fullname); |
|
| 2943 |
v9fs_string_free(&vs->name); |
|
| 2944 |
qemu_free(vs); |
|
| 2945 |
} |
|
| 2946 |
|
|
| 2947 |
static void v9fs_mkdir_post_mkdir(V9fsState *s, V9fsMkState *vs, int err) |
|
| 2948 |
{
|
|
| 2949 |
if (err == -1) {
|
|
| 2950 |
err = -errno; |
|
| 2951 |
goto out; |
|
| 2952 |
} |
|
| 2953 |
|
|
| 2954 |
err = v9fs_do_lstat(s, &vs->fullname, &vs->stbuf); |
|
| 2955 |
v9fs_mkdir_post_lstat(s, vs, err); |
|
| 2956 |
return; |
|
| 2957 |
out: |
|
| 2958 |
complete_pdu(s, vs->pdu, err); |
|
| 2959 |
v9fs_string_free(&vs->fullname); |
|
| 2960 |
v9fs_string_free(&vs->name); |
|
| 2961 |
qemu_free(vs); |
|
| 2962 |
} |
|
| 2963 |
|
|
| 2964 |
static void v9fs_mkdir(V9fsState *s, V9fsPDU *pdu) |
|
| 2965 |
{
|
|
| 2966 |
int32_t fid; |
|
| 2967 |
V9fsMkState *vs; |
|
| 2968 |
int err = 0; |
|
| 2969 |
V9fsFidState *fidp; |
|
| 2970 |
gid_t gid; |
|
| 2971 |
int mode; |
|
| 2972 |
|
|
| 2973 |
vs = qemu_malloc(sizeof(*vs)); |
|
| 2974 |
vs->pdu = pdu; |
|
| 2975 |
vs->offset = 7; |
|
| 2976 |
|
|
| 2977 |
v9fs_string_init(&vs->fullname); |
|
| 2978 |
pdu_unmarshal(vs->pdu, vs->offset, "dsdd", &fid, &vs->name, &mode, |
|
| 2979 |
&gid); |
|
| 2980 |
|
|
| 2981 |
fidp = lookup_fid(s, fid); |
|
| 2982 |
if (fidp == NULL) {
|
|
| 2983 |
err = -ENOENT; |
|
| 2984 |
goto out; |
|
| 2985 |
} |
|
| 2986 |
|
|
| 2987 |
v9fs_string_sprintf(&vs->fullname, "%s/%s", fidp->path.data, vs->name.data); |
|
| 2988 |
err = v9fs_do_mkdir(s, vs->fullname.data, mode, fidp->uid, gid); |
|
| 2989 |
v9fs_mkdir_post_mkdir(s, vs, err); |
|
| 2990 |
return; |
|
| 2991 |
|
|
| 2992 |
out: |
|
| 2993 |
complete_pdu(s, vs->pdu, err); |
|
| 2994 |
v9fs_string_free(&vs->fullname); |
|
| 2995 |
v9fs_string_free(&vs->name); |
|
| 2996 |
qemu_free(vs); |
|
| 2997 |
} |
|
| 2998 |
|
|
| 2927 | 2999 |
typedef void (pdu_handler_t)(V9fsState *s, V9fsPDU *pdu); |
| 2928 | 3000 |
|
| 2929 | 3001 |
static pdu_handler_t *pdu_handlers[] = {
|
| ... | ... | |
| 2932 | 3004 |
[P9_TGETATTR] = v9fs_getattr, |
| 2933 | 3005 |
[P9_TSETATTR] = v9fs_setattr, |
| 2934 | 3006 |
[P9_TMKNOD] = v9fs_mknod, |
| 3007 |
[P9_TMKDIR] = v9fs_mkdir, |
|
| 2935 | 3008 |
[P9_TVERSION] = v9fs_version, |
| 2936 | 3009 |
[P9_TATTACH] = v9fs_attach, |
| 2937 | 3010 |
[P9_TSTAT] = v9fs_stat, |
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