3 #endif /* HAVE_CONFIG_H */
6 #include <atalk/adouble.h>
8 #define FILEIOFF_ATTR 14
9 #define AFPFILEIOFF_ATTR 2
13 the "shared" and "invisible" attributes are opaque and stored and
14 retrieved from the FinderFlags. This fixes Bug #2802236:
15 <https://sourceforge.net/tracker/?func=detail&aid=2802236&group_id=8642&atid=108642>
17 int ad_getattr(const struct adouble *ad, u_int16_t *attr)
22 if (ad->ad_version == AD_VERSION1) {
23 if (ad_getentryoff(ad, ADEID_FILEI)) {
24 memcpy(attr, ad_entry(ad, ADEID_FILEI) + FILEIOFF_ATTR,
28 #if AD_VERSION == AD_VERSION2
29 else if (ad->ad_version == AD_VERSION2) {
30 if (ad_getentryoff(ad, ADEID_AFPFILEI)) {
31 memcpy(attr, ad_entry(ad, ADEID_AFPFILEI) + AFPFILEIOFF_ATTR, 2);
33 /* Now get opaque flags from FinderInfo */
34 memcpy(&fflags, ad_entry(ad, ADEID_FINDERI) + FINDERINFO_FRFLAGOFF, 2);
35 if (fflags & htons(FINDERINFO_INVISIBLE))
36 *attr |= htons(ATTRBIT_INVISIBLE);
38 *attr &= htons(~ATTRBIT_INVISIBLE);
40 This one is tricky, I actually got it wrong the first time:
41 for directories bit 1<<1 is ATTRBIT_EXPFLDR and is NOT opaque !
43 if ( ! (ad->ad_adflags & ADFLAGS_DIR)) {
44 if (fflags & htons(FINDERINFO_ISHARED))
45 *attr |= htons(ATTRBIT_MULTIUSER);
47 *attr &= htons(~ATTRBIT_MULTIUSER);
55 *attr |= htons(ad->ad_open_forks);
60 /* ----------------- */
61 int ad_setattr(const struct adouble *ad, const u_int16_t attribute)
65 /* we don't save open forks indicator */
66 u_int16_t attr = attribute & ~htons(ATTRBIT_DOPEN | ATTRBIT_ROPEN);
68 /* Proactively (10.4 does indeed try to set ATTRBIT_MULTIUSER (=ATTRBIT_EXPFLDR)
69 for dirs with SetFile -a M <dir> ) disable all flags not defined for dirs. */
70 if (ad->ad_adflags & ADFLAGS_DIR)
71 attr &= ~(ATTRBIT_MULTIUSER | ATTRBIT_NOWRITE | ATTRBIT_NOCOPY);
73 if (ad->ad_version == AD_VERSION1) {
74 if (ad_getentryoff(ad, ADEID_FILEI)) {
75 memcpy(ad_entry(ad, ADEID_FILEI) + FILEIOFF_ATTR, &attr,
79 #if AD_VERSION == AD_VERSION2
80 else if (ad->ad_version == AD_VERSION2) {
81 if (ad_getentryoff(ad, ADEID_AFPFILEI)) {
82 memcpy(ad_entry(ad, ADEID_AFPFILEI) + AFPFILEIOFF_ATTR, &attr, sizeof(attr));
84 /* Now set opaque flags in FinderInfo too */
85 fflags = (u_int16_t *)ad_entry(ad, ADEID_FINDERI) + FINDERINFO_FRFLAGOFF;
86 if (attr & htons(ATTRBIT_INVISIBLE))
87 *fflags |= htons(FINDERINFO_INVISIBLE);
89 *fflags &= htons(~FINDERINFO_INVISIBLE);
91 /* See above comment in ad_getattr() */
92 if (attr & htons(ATTRBIT_MULTIUSER)) {
93 if ( ! (ad->ad_adflags & ADFLAGS_DIR) )
94 *fflags |= htons(FINDERINFO_ISHARED);
96 *fflags &= htons(~FINDERINFO_ISHARED);
107 * save file/folder ID in AppleDoubleV2 netatalk private parameters
108 * return 1 if resource fork has been modified
110 #if AD_VERSION == AD_VERSION2
111 int ad_setid (struct adouble *adp, const dev_t dev, const ino_t ino , const u_int32_t id, const cnid_t did, const void *stamp)
113 if ((adp->ad_flags == AD_VERSION2) && (adp->ad_options & ADVOL_CACHE)) {
115 /* ad_getid depends on this to detect presence of ALL entries */
116 ad_setentrylen( adp, ADEID_PRIVID, sizeof(id));
117 memcpy(ad_entry( adp, ADEID_PRIVID ), &id, sizeof(id));
119 ad_setentrylen( adp, ADEID_PRIVDEV, sizeof(dev_t));
120 if ((adp->ad_options & ADVOL_NODEV)) {
121 memset(ad_entry( adp, ADEID_PRIVDEV ), 0, sizeof(dev_t));
123 memcpy(ad_entry( adp, ADEID_PRIVDEV ), &dev, sizeof(dev_t));
126 ad_setentrylen( adp, ADEID_PRIVINO, sizeof(ino_t));
127 memcpy(ad_entry( adp, ADEID_PRIVINO ), &ino, sizeof(ino_t));
129 ad_setentrylen( adp, ADEID_DID, sizeof(did));
130 memcpy(ad_entry( adp, ADEID_DID ), &did, sizeof(did));
132 ad_setentrylen( adp, ADEID_PRIVSYN, ADEDLEN_PRIVSYN);
133 memcpy(ad_entry( adp, ADEID_PRIVSYN ), stamp, ADEDLEN_PRIVSYN);
139 /* ----------------------------- */
140 u_int32_t ad_getid (struct adouble *adp, const dev_t st_dev, const ino_t st_ino , const cnid_t did, const void *stamp)
146 char temp[ADEDLEN_PRIVSYN];
148 /* look in AD v2 header
149 * note inode and device are opaques and not in network order
150 * only use the ID if adouble is writable for us.
153 && (adp->ad_options & ADVOL_CACHE)
154 && (adp->ad_md->adf_flags & O_RDWR )
155 && (sizeof(dev_t) == ad_getentrylen(adp, ADEID_PRIVDEV)) /* One check to ensure ALL values are there */
157 memcpy(&dev, ad_entry(adp, ADEID_PRIVDEV), sizeof(dev_t));
158 memcpy(&ino, ad_entry(adp, ADEID_PRIVINO), sizeof(ino_t));
159 memcpy(temp, ad_entry(adp, ADEID_PRIVSYN), sizeof(temp));
160 memcpy(&a_did, ad_entry(adp, ADEID_DID), sizeof(cnid_t));
162 if ( ((adp->ad_options & ADVOL_NODEV) || dev == st_dev)
164 && (!did || a_did == did)
165 && (memcmp(stamp, temp, sizeof(temp)) == 0) ) {
166 memcpy(&aint, ad_entry(adp, ADEID_PRIVID), sizeof(aint));
173 /* ----------------------------- */
174 u_int32_t ad_forcegetid (struct adouble *adp)
178 if (adp && (adp->ad_options & ADVOL_CACHE)) {
179 memcpy(&aint, ad_entry(adp, ADEID_PRIVID), sizeof(aint));
187 * set resource fork filename attribute.
189 int ad_setname(struct adouble *ad, const char *path)
191 if (path && ad_getentryoff(ad, ADEID_NAME)) {
192 ad_setentrylen( ad, ADEID_NAME, strlen( path ));
193 memcpy(ad_entry( ad, ADEID_NAME ), path, ad_getentrylen( ad, ADEID_NAME ));