diff options
Diffstat (limited to 'source3/libsmb')
| -rw-r--r-- | source3/libsmb/libsmbclient.c | 476 |
1 files changed, 455 insertions, 21 deletions
diff --git a/source3/libsmb/libsmbclient.c b/source3/libsmb/libsmbclient.c index b299e59f7c..d0461f2257 100644 --- a/source3/libsmb/libsmbclient.c +++ b/source3/libsmb/libsmbclient.c @@ -39,6 +39,12 @@ struct smbc_server { BOOL no_pathinfo2; }; +/* Keep directory entries in a list */ +struct smbc_dir_list { + struct smbc_dir_list *next; + struct smbc_dirent *dirent; +}; + struct smbc_file { int cli_fd; int smbc_fd; @@ -46,21 +52,26 @@ struct smbc_file { off_t offset; struct smbc_server *srv; BOOL file; + struct smbc_dir_list *dir_list, *dir_end, *dir_next; + int dir_type, dir_error; }; +extern BOOL in_client; static int smbc_initialized = 0; static smbc_get_auth_data_fn smbc_auth_fn = NULL; static int smbc_debug; static int smbc_start_fd; static int smbc_max_fd = 10000; static struct smbc_file **smbc_file_table; +static struct smbc_server *smbc_srvs; +static pstring my_netbios_name; /* * Clean up a filename by removing redundent stuff */ static void -clean_fname(char *name) +smbc_clean_fname(char *name) { char *p, *p2; int l; @@ -153,8 +164,11 @@ clean_fname(char *name) /* * Function to parse a path and turn it into components * - * We accept smb://server/share/path... - * We also accept //server/share/path ... + * We accept smb://[[[domain;]user[:password@]]server[/share[/path[/file]]]] + * + * smb:// means show all the workgroups + * smb://name/ means, if name<1D> exists, list servers in workgroup, + * else, if name<20> exists, list all shares for server ... */ static const char *smbc_prefix = "smb:"; @@ -167,6 +181,7 @@ smbc_parse_path(const char *fname, char *server, char *share, char *path) int len; fstring workgroup; + server[0] = share[0] = path[0] = (char)0; pstrcpy(s, fname); /* clean_fname(s); causing problems ... */ @@ -186,7 +201,10 @@ smbc_parse_path(const char *fname, char *server, char *share, char *path) } - p += 2; /* Skip the // or \\ */ + p += 2; /* Skip the // or \\ */ + + if (*p == (char)0) + return 0; /* ok, its for us. Now parse out the server, share etc. */ @@ -195,13 +213,15 @@ smbc_parse_path(const char *fname, char *server, char *share, char *path) return -1; } + + if (*p == (char)0) return 0; /* That's it ... */ if (!next_token(&p, share, "/", sizeof(fstring))) { return -1; } - + pstrcpy(path, p); all_string_sub(path, "/", "\\", 0); @@ -232,9 +252,6 @@ int smbc_errno(struct cli_state *c) * Connect to a server, possibly on an existing connection */ -static struct smbc_server *smbc_srvs; -static pstring my_netbios_name; - struct smbc_server *smbc_server(char *server, char *share) { struct smbc_server *srv=NULL; @@ -252,7 +269,15 @@ struct smbc_server *smbc_server(char *server, char *share) ip = ipzero; ZERO_STRUCT(c); - smbc_auth_fn(server, share, &workgroup, &username, &password); + if (strncmp(share, "IPC$", 4)) /* IPC$ should not need a pwd ... */ + smbc_auth_fn(server, share, &workgroup, &username, &password); + else { + + workgroup = lp_workgroup(); /* Is this relevant here? */ + username = ""; + password = ""; + + } /* try to use an existing connection */ for (srv=smbc_srvs;srv;srv=srv->next) { @@ -394,8 +419,9 @@ struct smbc_server *smbc_server(char *server, char *share) int smbc_init(smbc_get_auth_data_fn fn, const char *wgroup, int debug) { static pstring workgroup; + pstring conf; int p, pid; - char *user = NULL, *host = NULL; + char *user = NULL, *host = NULL, *home = NULL; smbc_initialized = 1; smbc_auth_fn = fn; @@ -421,7 +447,28 @@ int smbc_init(smbc_get_auth_data_fn fn, const char *wgroup, int debug) /* Here we would open the smb.conf file if needed ... */ - /* To do soon ... try $HOME/.smb/smb.conf first ... */ + home = getenv("HOME"); + + slprintf(conf, sizeof(conf), "%s/.smb/smb.conf", home); + + load_interfaces(); /* Load the list of interfaces ... */ + + in_client = True; /* FIXME, make a param */ + + + + if (!lp_load(conf, True, False, False)) { + + /* + * Hmmm, what the hell do we do here ... we could not parse the + * config file ... We must return an error ... and keep info around + * about why we failed + */ + /* + errno = ENOENT; /* Hmmm, what error resp does lp_load return ? */ + return -1; + + } /* * Now initialize the file descriptor array and figure out what the @@ -463,8 +510,6 @@ int smbc_init(smbc_get_auth_data_fn fn, const char *wgroup, int debug) if (!smbc_file_table) return ENOMEM; - smbc_start_fd = 100000; /* FIXME: Figure it out */ - return 0; /* Success */ } @@ -519,12 +564,21 @@ int smbc_open(const char *fname, int flags, mode_t mode) while (smbc_file_table[slot]) slot++; - if (slot > smbc_max_fd) return ENOMEM; /* FIXME, is this best? */ + if (slot > smbc_max_fd) { + + errno = ENOMEM; /* FIXME, is this best? */ + return -1; + + } smbc_file_table[slot] = malloc(sizeof(struct smbc_file)); - if (!smbc_file_table[slot]) - return ENOMEM; + if (!smbc_file_table[slot]) { + + errno = ENOMEM; + return -1; + + } fd = cli_open(&srv->cli, path, flags, DENY_NONE); @@ -547,7 +601,7 @@ int smbc_open(const char *fname, int flags, mode_t mode) int eno = 0; eno = smbc_errno(&srv->cli); - fd = smbc_dir_open(fname); + fd = smbc_opendir(fname); if (fd < 0) errno = eno; return fd; @@ -648,7 +702,7 @@ ssize_t smbc_write(int fd, void *buf, size_t count) return ret; /* Success, 0 bytes of data ... */ } - + /* * Routine to close() a file ... */ @@ -1077,15 +1131,324 @@ int smbc_fstat(int fd, struct stat *st) /* * Routine to open a directory + * + * We want to allow: + * + * smb: which should list all the workgroups available + * smb:workgroup + * smb:workgroup//server + * smb://server + * smb://server/share */ -int smbc_dir_open(const char *fname) +static void smbc_remove_dir(struct smbc_file *dir) +{ + for (dir->dir_next = dir->dir_list; + dir->dir_next != NULL; + dir->dir_next = dir->dir_next->next) { + + if (dir->dir_next->dirent) free(dir->dir_next->dirent); + free(dir->dir_next); + + } + + dir->dir_list = dir->dir_end = dir->dir_next = NULL; + +} + +static int add_dirent(struct smbc_file *dir, const char *name, const char *comment, uint32 type) { + struct smbc_dirent *dirent; + + /* + * Allocate space for the dirent, which must be increased by the + * size of the name and the comment and 1 for the null on the comment. + * The null on the name is already accounted for. + */ + + dirent = malloc(sizeof(struct smbc_dirent) + (name?strlen(name):0) + + (comment?strlen(comment):0) + 1); + + if (!dirent) { + + dir->dir_error = ENOMEM; + return -1; + + } + + if (dir->dir_list == NULL) { + + dir->dir_list = malloc(sizeof(struct smbc_dir_list)); + if (!dir->dir_list) { + + free(dirent); + dir->dir_error = ENOMEM; + return -1; + + } + + dir->dir_end = dir->dir_next = dir->dir_list; + + } + else { + + dir->dir_end->next = malloc(sizeof(struct smbc_dir_list)); + + if (!dir->dir_end) { + + free(dirent); + dir->dir_error = ENOMEM; + return -1; + + } + + dir->dir_end = dir->dir_end->next; + dir->dir_end->next = NULL; + + } + + dir->dir_end->dirent = dirent; + + dirent->smbc_type = dir->dir_type; + dirent->namelen = (name?strlen(name):0); + dirent->commentlen = (comment?strlen(comment):0); + + strncpy(dirent->name, (name?name:""), dirent->namelen + 1); + + dirent->comment = (char *)(&dirent->name + dirent->namelen + 1); + strncpy(dirent->comment, (comment?comment:""), dirent->commentlen + 1); return 0; } +static void +list_fn(const char *name, uint32 type, const char *comment, void *state) +{ + + if (add_dirent((struct smbc_file *)state, name, comment, type) < 0) { + + /* An error occurred, what do we do? */ + + } + +} + +int smbc_opendir(const char *fname) +{ + struct in_addr addr; + fstring server, share; + pstring path; + struct smbc_server *srv = NULL; + struct in_addr rem_ip; + int slot = 0; + + if (!smbc_initialized) { + + errno = EUCLEAN; + return -1; + + } + + if (!fname) { + + errno = EINVAL; + return -1; + + } + + if (smbc_parse_path(fname, server, share, path)) { + + errno = EINVAL; + return -1; + + } + + /* Get a file entry ... */ + + slot = 0; + + while (smbc_file_table[slot]) + slot++; + + if (slot > smbc_max_fd) { + + errno = ENOMEM; + return -1; /* FIXME, ... move into a func */ + + } + + smbc_file_table[slot] = malloc(sizeof(struct smbc_file)); + + if (!smbc_file_table[slot]) { + + errno = ENOMEM; + return -1; + + } + + smbc_file_table[slot]->cli_fd = 0; + smbc_file_table[slot]->smbc_fd = slot + smbc_start_fd; + smbc_file_table[slot]->fname = strdup(fname); + smbc_file_table[slot]->srv = NULL; + smbc_file_table[slot]->offset = 0; + smbc_file_table[slot]->file = False; + smbc_file_table[slot]->dir_list = NULL; + + if (server[0] == (char)0) { + + if (share[0] != (char)0 || path[0] != (char)0) { + + errno = EINVAL; + if (smbc_file_table[slot]) free(smbc_file_table[slot]); + smbc_file_table[slot] = NULL; + return -1; + + } + + /* We have server and share and path empty ... so list the workgroups */ + + /* fprintf(stderr, "Workgroup is: %s\n", lp_workgroup()); */ + cli_get_backup_server(my_netbios_name, lp_workgroup(), server, sizeof(server)); + + smbc_file_table[slot]->dir_type = SMBC_WORKGROUP; + + /* + * Get a connection to IPC$ on the server if we do not already have one + */ + + srv = smbc_server(server, "IPC$"); + + if (!srv) { + + if (smbc_file_table[slot]) free(smbc_file_table[slot]); + smbc_file_table[slot] = NULL; + return -1; + + } + + smbc_file_table[slot]->srv = srv; + + /* Now, list the stuff ... */ + + if (!cli_NetServerEnum(&srv->cli, lp_workgroup(), 0x80000000, list_fn, + (void *)smbc_file_table[slot])) { + + if (smbc_file_table[slot]) free(smbc_file_table[slot]); + smbc_file_table[slot] = NULL; + return -1; + + } + } + else { /* Server not an empty string ... Check the rest and see what gives */ + + if (share[0] == (char)0) { + + if (path[0] != (char)0) { /* Should not have empty share with path */ + + errno = EINVAL; + if (smbc_file_table[slot]) free(smbc_file_table[slot]); + smbc_file_table[slot] = NULL; + return -1; + + } + + /* Check to see if <server><1D> translates, or <server><20> translates */ + + if (resolve_name(server, &rem_ip, 0x1d)) { /* Found LMB */ + + smbc_file_table[slot]->dir_type = SMBC_SERVER; + + /* + * Get the backup list ... + */ + + cli_get_backup_server(my_netbios_name, server, server, sizeof(server)); + + /* + * Get a connection to IPC$ on the server if we do not already have one + */ + + srv = smbc_server(server, "IPC$"); + + if (!srv) { + + if (smbc_file_table[slot]) free(smbc_file_table[slot]); + smbc_file_table[slot] = NULL; /* FIXME: Memory leaks ... */ + return -1; + + } + + smbc_file_table[slot]->srv = srv; + + /* Now, list the servers ... */ + + if (!cli_NetServerEnum(&srv->cli, lp_workgroup(), 0x0000FFFE, list_fn, + (void *)smbc_file_table[slot])) { + + if (smbc_file_table[slot]) free(smbc_file_table[slot]); + smbc_file_table[slot] = NULL; + return -1; + + } + + } + else { + + if (resolve_name(server, &rem_ip, 0x20)) { + + /* Now, list the shares ... */ + + smbc_file_table[slot]->dir_type = SMBC_FILE_SHARE; + + srv = smbc_server(server, "IPC$"); + + if (!srv) { + + if (smbc_file_table[slot]) free(smbc_file_table[slot]); + smbc_file_table[slot] = NULL; + return -1; + + } + + smbc_file_table[slot]->srv = srv; + + /* Now, list the servers ... */ + + if (!cli_RNetShareEnum(&srv->cli, list_fn, + (void *)smbc_file_table[slot])) { + + if (smbc_file_table[slot]) free(smbc_file_table[slot]); + smbc_file_table[slot] = NULL; + return -1; + + } + + } + else { + + errno = EINVAL; + if (smbc_file_table[slot]) free(smbc_file_table[slot]); + smbc_file_table[slot] = NULL; + return -1; + + } + + } + + } + else { /* The server and share are specified ... work from there ... */ + + + + } + + } + + return smbc_file_table[slot]->smbc_fd; + +} + /* * Routine to close a directory */ @@ -1101,10 +1464,81 @@ int smbc_closedir(int fd) * Routine to get a directory entry */ -int smbc_getdents(unsigned int fd, struct dirent *dirp, int count) +int smbc_getdents(unsigned int fd, struct smbc_dirent *dirp, int count) { + struct smbc_file *fe; + struct smbc_dir_list *dir; + int rem = count, reqd; - return 0; + /* Check that all is ok first ... */ + + if (fd < smbc_start_fd || fd >= (smbc_start_fd + smbc_max_fd)) { + + errno = EBADF; + return -1; + + } + + fe = smbc_file_table[fd - smbc_start_fd]; + + if (fe->file != False) { /* FIXME, should be dir, perhaps */ + + errno = ENOTDIR; + return -1; + + } + + /* + * Now, retrieve the number of entries that will fit in what was passed + * We have to figure out if the info is in the list, or we need to + * send a request to the server to get the info. + */ + + while ((dir = fe->dir_next)) { + struct smbc_dirent *dirent; + + if (!dir->dirent) { + + errno = ENOENT; /* Bad error */ + return -1; + + } + + if (rem < (reqd = (sizeof(struct smbc_dirent) + dir->dirent->namelen + + dir->dirent->commentlen + 1))) { + + if (rem < count) { /* We managed to copy something */ + + errno = 0; + return count - rem; + + } + else { /* Nothing copied ... */ + + errno = EINVAL; /* Not enough space ... */ + return -1; + + } + + } + + dirent = dir->dirent; + + bcopy(dirent, dirp, reqd); /* Copy the data in ... */ + + dirp->comment = (char *)(&dirp->name + dirent->namelen + 1); + + (char *)dirp += reqd; + + rem -= reqd; + + fe->dir_next = dir = dir -> next; + } + + if (rem == count) + return 0; + else + return count - rem; } |