diff options
Diffstat (limited to 'source3/libsmb/libsmb_compat.c')
| -rw-r--r-- | source3/libsmb/libsmb_compat.c | 190 |
1 files changed, 173 insertions, 17 deletions
diff --git a/source3/libsmb/libsmb_compat.c b/source3/libsmb/libsmb_compat.c index 27b274953a..4c96c41c56 100644 --- a/source3/libsmb/libsmb_compat.c +++ b/source3/libsmb/libsmb_compat.c @@ -5,6 +5,7 @@ Copyright (C) Richard Sharpe 2000 Copyright (C) John Terpstra 2000 Copyright (C) Tom Jansen (Ninja ISD) 2002 + Copyright (C) Derrell Lipman 2003 This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -34,14 +35,14 @@ struct smbc_compat_fdlist { static SMBCCTX * statcont = NULL; static int smbc_compat_initialized = 0; -static int smbc_currentfd = 10000; -static struct smbc_compat_fdlist * smbc_compat_fdlist = NULL; - +static int smbc_compat_nextfd = 0; +static struct smbc_compat_fdlist * smbc_compat_fd_in_use = NULL; +static struct smbc_compat_fdlist * smbc_compat_fd_avail = NULL; /* Find an fd and return the SMBCFILE * or NULL on failure */ static SMBCFILE * find_fd(int fd) { - struct smbc_compat_fdlist * f = smbc_compat_fdlist; + struct smbc_compat_fdlist * f = smbc_compat_fd_in_use; while (f) { if (f->fd == fd) return f->file; @@ -53,16 +54,36 @@ static SMBCFILE * find_fd(int fd) /* Add an fd, returns 0 on success, -1 on error with errno set */ static int add_fd(SMBCFILE * file) { - struct smbc_compat_fdlist * f = malloc(sizeof(struct smbc_compat_fdlist)); - if (!f) { - errno = ENOMEM; - return -1; - } + struct smbc_compat_fdlist * f = smbc_compat_fd_avail; + + if (f) { + /* We found one that's available */ + DLIST_REMOVE(smbc_compat_fd_avail, f); + + } else { + /* + * None were available, so allocate one. Keep the number of + * file descriptors determinate. This allows the application + * to allocate bitmaps or mapping of file descriptors based on + * a known maximum number of file descriptors that will ever + * be returned. + */ + if (smbc_compat_nextfd >= FD_SETSIZE) { + errno = EMFILE; + return -1; + } + + f = malloc(sizeof(struct smbc_compat_fdlist)); + if (!f) { + errno = ENOMEM; + return -1; + } - f->fd = smbc_currentfd++; + f->fd = SMBC_BASE_FD + smbc_compat_nextfd++; + } + f->file = file; - - DLIST_ADD(smbc_compat_fdlist, f); + DLIST_ADD(smbc_compat_fd_in_use, f); return f->fd; } @@ -72,16 +93,19 @@ static int add_fd(SMBCFILE * file) /* Delete an fd, returns 0 on success */ static int del_fd(int fd) { - struct smbc_compat_fdlist * f = smbc_compat_fdlist; + struct smbc_compat_fdlist * f = smbc_compat_fd_in_use; + while (f) { if (f->fd == fd) break; f = f->next; } + if (f) { /* found */ - DLIST_REMOVE(smbc_compat_fdlist, f); - SAFE_FREE(f); + DLIST_REMOVE(smbc_compat_fd_in_use, f); + f->file = NULL; + DLIST_ADD(smbc_compat_fd_avail, f); return 0; } return 1; @@ -91,6 +115,9 @@ static int del_fd(int fd) int smbc_init(smbc_get_auth_data_fn fn, int debug) { + int i; + struct smbc_compat_fdlist * f; + if (!smbc_compat_initialized) { statcont = smbc_new_context(); if (!statcont) @@ -112,6 +139,22 @@ int smbc_init(smbc_get_auth_data_fn fn, int debug) } +SMBCCTX *smbc_set_context(SMBCCTX * context) +{ + SMBCCTX *old_context = statcont; + + if (context) { + /* Save provided context. It must have been initialized! */ + statcont = context; + + /* You'd better know what you're doing. We won't help you. */ + smbc_compat_initialized = 1; + } + + return old_context; +} + + int smbc_open(const char *furl, int flags, mode_t mode) { SMBCFILE * file; @@ -252,8 +295,121 @@ int smbc_fstat(int fd, struct stat *st) int smbc_chmod(const char *url, mode_t mode) { - /* NOT IMPLEMENTED IN LIBSMBCLIENT YET */ - return -1; + return statcont->chmod(statcont, url, mode); +} + +int smbc_utimes(const char *fname, struct timeval *tbuf) +{ + return statcont->utimes(statcont, fname, tbuf); +} + +#ifdef HAVE_UTIME_H +int smbc_utime(const char *fname, struct utimbuf *utbuf) +{ + struct timeval tv; + + if (utbuf == NULL) + return statcont->utimes(statcont, fname, NULL); + + tv.tv_sec = utbuf->modtime; + tv.tv_usec = 0; + return statcont->utimes(statcont, fname, &tv); +} +#endif + +int smbc_setxattr(const char *fname, + const char *name, + const void *value, + size_t size, + int flags) +{ + return statcont->setxattr(statcont, fname, name, value, size, flags); +} + +int smbc_lsetxattr(const char *fname, + const char *name, + const void *value, + size_t size, + int flags) +{ + return statcont->setxattr(statcont, fname, name, value, size, flags); +} + +int smbc_fsetxattr(int fd, + const char *name, + const void *value, + size_t size, + int flags) +{ + SMBCFILE * file = find_fd(fd); + return statcont->setxattr(statcont, file->fname, + name, value, size, flags); +} + +int smbc_getxattr(const char *fname, + const char *name, + const void *value, + size_t size) +{ + return statcont->getxattr(statcont, fname, name, value, size); +} + +int smbc_lgetxattr(const char *fname, + const char *name, + const void *value, + size_t size) +{ + return statcont->getxattr(statcont, fname, name, value, size); +} + +int smbc_fgetxattr(int fd, + const char *name, + const void *value, + size_t size) +{ + SMBCFILE * file = find_fd(fd); + return statcont->getxattr(statcont, file->fname, name, value, size); +} + +int smbc_removexattr(const char *fname, + const char *name) +{ + return statcont->removexattr(statcont, fname, name); +} + +int smbc_lremovexattr(const char *fname, + const char *name) +{ + return statcont->removexattr(statcont, fname, name); +} + +int smbc_fremovexattr(int fd, + const char *name) +{ + SMBCFILE * file = find_fd(fd); + return statcont->removexattr(statcont, file->fname, name); +} + +int smbc_listxattr(const char *fname, + char *list, + size_t size) +{ + return statcont->listxattr(statcont, fname, list, size); +} + +int smbc_llistxattr(const char *fname, + char *list, + size_t size) +{ + return statcont->listxattr(statcont, fname, list, size); +} + +int smbc_flistxattr(int fd, + char *list, + size_t size) +{ + SMBCFILE * file = find_fd(fd); + return statcont->listxattr(statcont, file->fname, list, size); } int smbc_print_file(const char *fname, const char *printq) |