diff options
Diffstat (limited to 'source/lib/system.c')
| -rw-r--r-- | source/lib/system.c | 159 |
1 files changed, 158 insertions, 1 deletions
diff --git a/source/lib/system.c b/source/lib/system.c index a7024c852df..b020a203730 100644 --- a/source/lib/system.c +++ b/source/lib/system.c @@ -1263,6 +1263,16 @@ ssize_t sys_getxattr (const char *path, const char *name, void *value, size_t si { #if defined(HAVE_GETXATTR) return getxattr(path, name, value, size); +#elif defined(HAVE_ATTR_GET) + int retval, flags = 0; + int valuelength = (int)size; + char *attrname = strchr(name,'.') +1; + + if (strncmp(name, "system", 6) == 0) flags |= ATTR_ROOT; + + retval = attr_get(path, attrname, (char *)value, &valuelength, flags); + + return retval ? retval : valuelength; #else errno = ENOSYS; return -1; @@ -1273,6 +1283,16 @@ ssize_t sys_lgetxattr (const char *path, const char *name, void *value, size_t s { #if defined(HAVE_LGETXATTR) return lgetxattr(path, name, value, size); +#elif defined(HAVE_ATTR_GET) + int retval, flags = ATTR_DONTFOLLOW; + int valuelength = (int)size; + char *attrname = strchr(name,'.') +1; + + if (strncmp(name, "system", 6) == 0) flags |= ATTR_ROOT; + + retval = attr_get(path, attrname, (char *)value, &valuelength, flags); + + return retval ? retval : valuelength; #else errno = ENOSYS; return -1; @@ -1283,16 +1303,96 @@ ssize_t sys_fgetxattr (int filedes, const char *name, void *value, size_t size) { #if defined(HAVE_FGETXATTR) return fgetxattr(filedes, name, value, size); +#elif defined(HAVE_ATTR_GETF) + int retval, flags = 0; + int valuelength = (int)size; + char *attrname = strchr(name,'.') +1; + + if (strncmp(name, "system", 6) == 0) flags |= ATTR_ROOT; + + retval = attr_getf(filedes, attrname, (char *)value, &valuelength, flags); + + return retval ? retval : valuelength; #else errno = ENOSYS; return -1; #endif } +#if defined(HAVE_ATTR_LIST) +static char attr_buffer[ATTR_MAX_VALUELEN]; + +static ssize_t irix_attr_list(const char *path, int filedes, char *list, size_t size, int flags) +{ + int retval = 0, index; + attrlist_cursor_t *cursor = 0; + int total_size = 0; + attrlist_t * al = (attrlist_t *)attr_buffer; + attrlist_ent_t *ae; + size_t ent_size, left = size; + char *bp = list; + + while (True) { + if (filedes) + retval = attr_listf(filedes, attr_buffer, ATTR_MAX_VALUELEN, flags, cursor); + else + retval = attr_list(path, attr_buffer, ATTR_MAX_VALUELEN, flags, cursor); + if (retval) break; + for (index = 0; index < al->al_count; index++) { + ae = ATTR_ENTRY(attr_buffer, index); + ent_size = strlen(ae->a_name) + sizeof("user."); + if (left >= ent_size) { + strncpy(bp, "user.", sizeof("user.")); + strncat(bp, ae->a_name, ent_size - sizeof("user.")); + bp += ent_size; + left -= ent_size; + } else if (size) { + errno = ERANGE; + retval = -1; + break; + } + total_size += ent_size; + } + if (al->al_more == 0) break; + } + if (retval == 0) { + flags |= ATTR_ROOT; + cursor = 0; + while (True) { + if (filedes) + retval = attr_listf(filedes, attr_buffer, ATTR_MAX_VALUELEN, flags, cursor); + else + retval = attr_list(path, attr_buffer, ATTR_MAX_VALUELEN, flags, cursor); + if (retval) break; + for (index = 0; index < al->al_count; index++) { + ae = ATTR_ENTRY(attr_buffer, index); + ent_size = strlen(ae->a_name) + sizeof("system."); + if (left >= ent_size) { + strncpy(bp, "system.", sizeof("system.")); + strncat(bp, ae->a_name, ent_size - sizeof("system.")); + bp += ent_size; + left -= ent_size; + } else if (size) { + errno = ERANGE; + retval = -1; + break; + } + total_size += ent_size; + } + if (al->al_more == 0) break; + } + } + return (ssize_t)(retval ? retval : total_size); +} + +#endif + ssize_t sys_listxattr (const char *path, char *list, size_t size) { #if defined(HAVE_LISTXATTR) return listxattr(path, list, size); +#elif defined(HAVE_ATTR_LIST) + return irix_attr_list(path, 0, list, size, 0); #else errno = ENOSYS; return -1; @@ -1301,8 +1401,10 @@ ssize_t sys_listxattr (const char *path, char *list, size_t size) ssize_t sys_llistxattr (const char *path, char *list, size_t size) { -#if defined(HAVE_GETXATTR) +#if defined(HAVE_LLISTXATTR) return llistxattr(path, list, size); +#elif defined(HAVE_ATTR_LIST) + return irix_attr_list(path, 0, list, size, ATTR_DONTFOLLOW); #else errno = ENOSYS; return -1; @@ -1313,6 +1415,8 @@ ssize_t sys_flistxattr (int filedes, char *list, size_t size) { #if defined(HAVE_FLISTXATTR) return flistxattr(filedes, list, size); +#elif defined(HAVE_ATTR_LISTF) + return irix_attr_list(NULL, filedes, list, size, 0); #else errno = ENOSYS; return -1; @@ -1323,6 +1427,13 @@ int sys_removexattr (const char *path, const char *name) { #if defined(HAVE_REMOVEXATTR) return removexattr(path, name); +#elif defined(HAVE_ATTR_REMOVE) + int flags = 0; + char *attrname = strchr(name,'.') +1; + + if (strncmp(name, "system", 6) == 0) flags |= ATTR_ROOT; + + return attr_remove(path, attrname, flags); #else errno = ENOSYS; return -1; @@ -1333,6 +1444,13 @@ int sys_lremovexattr (const char *path, const char *name) { #if defined(HAVE_LREMOVEXATTR) return lremovexattr(path, name); +#elif defined(HAVE_ATTR_REMOVE) + int flags = ATTR_DONTFOLLOW; + char *attrname = strchr(name,'.') +1; + + if (strncmp(name, "system", 6) == 0) flags |= ATTR_ROOT; + + return attr_remove(path, attrname, flags); #else errno = ENOSYS; return -1; @@ -1343,16 +1461,37 @@ int sys_fremovexattr (int filedes, const char *name) { #if defined(HAVE_FREMOVEXATTR) return fremovexattr(filedes, name); +#elif defined(HAVE_ATTR_REMOVEF) + int flags = 0; + char *attrname = strchr(name,'.') +1; + + if (strncmp(name, "system", 6) == 0) flags |= ATTR_ROOT; + + return attr_removef(filedes, attrname, flags); #else errno = ENOSYS; return -1; #endif } +#if !defined(HAVE_SETXATTR) +#define XATTR_CREATE 0x1 /* set value, fail if attr already exists */ +#define XATTR_REPLACE 0x2 /* set value, fail if attr does not exist */ +#endif + int sys_setxattr (const char *path, const char *name, const void *value, size_t size, int flags) { #if defined(HAVE_SETXATTR) return setxattr(path, name, value, size, flags); +#elif defined(HAVE_ATTR_SET) + int myflags = 0; + char *attrname = strchr(name,'.') +1; + + if (strncmp(name, "system", 6) == 0) myflags |= ATTR_ROOT; + if (flags & XATTR_CREATE) myflags |= ATTR_CREATE; + if (flags & XATTR_REPLACE) myflags |= ATTR_REPLACE; + + return attr_set(path, attrname, (const char *)value, size, myflags); #else errno = ENOSYS; return -1; @@ -1363,6 +1502,15 @@ int sys_lsetxattr (const char *path, const char *name, const void *value, size_t { #if defined(HAVE_LSETXATTR) return lsetxattr(path, name, value, size, flags); +#elif defined(HAVE_ATTR_SET) + int myflags = ATTR_DONTFOLLOW; + char *attrname = strchr(name,'.') +1; + + if (strncmp(name, "system", 6) == 0) myflags |= ATTR_ROOT; + if (flags & XATTR_CREATE) myflags |= ATTR_CREATE; + if (flags & XATTR_REPLACE) myflags |= ATTR_REPLACE; + + return attr_set(path, attrname, (const char *)value, size, myflags); #else errno = ENOSYS; return -1; @@ -1373,6 +1521,15 @@ int sys_fsetxattr (int filedes, const char *name, const void *value, size_t size { #if defined(HAVE_FSETXATTR) return fsetxattr(filedes, name, value, size, flags); +#elif defined(HAVE_ATTR_SETF) + int myflags = 0; + char *attrname = strchr(name,'.') +1; + + if (strncmp(name, "system", 6) == 0) myflags |= ATTR_ROOT; + if (flags & XATTR_CREATE) myflags |= ATTR_CREATE; + if (flags & XATTR_REPLACE) myflags |= ATTR_REPLACE; + + return attr_setf(filedes, attrname, (const char *)value, size, myflags); #else errno = ENOSYS; return -1; |