2 * Unix SMB/CIFS implementation.
3 * SMB parameters and setup
4 * Copyright (C) Andrew Tridgell 1992-1998 Modified by Jeremy Allison 1995.
6 * This program is free software; you can redistribute it and/or modify it under
7 * the terms of the GNU General Public License as published by the Free
8 * Software Foundation; either version 3 of the License, or (at your option)
11 * This program is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
16 * You should have received a copy of the GNU General Public License along with
17 * this program; if not, see <http://www.gnu.org/licenses/>.
23 #define MAP_FAILED ((void *)-1)
26 /****************************************************************************
27 Read a line from a file with possible \ continuation chars.
28 Blanks at the start or end of a line are stripped.
29 The string will be allocated if s2 is NULL.
30 ****************************************************************************/
32 char *fgets_slash(char *s2,int maxlen,XFILE *f)
37 BOOL start_of_line = True;
48 maxlen = MIN(maxlen,8);
49 s = (char *)SMB_MALLOC(maxlen);
58 while (len < maxlen-1) {
64 while (len > 0 && s[len-1] == ' ') {
67 if (len > 0 && s[len-1] == '\\') {
74 if (len <= 0 && !s2) {
83 start_of_line = False;
88 if (!s2 && len > maxlen-3) {
90 s = (char *)SMB_REALLOC(s,maxlen);
92 DEBUG(0,("fgets_slash: failed to expand buffer!\n"));
100 /****************************************************************************
101 Load from a pipe into memory.
102 ****************************************************************************/
104 static char *file_pload(char *syscmd, size_t *size)
111 fd = sys_popen(syscmd);
119 while ((n = read(fd, buf, sizeof(buf))) > 0) {
120 p = (char *)SMB_REALLOC(p, total + n + 1);
122 DEBUG(0,("file_pload: failed to expand buffer!\n"));
126 memcpy(p+total, buf, n);
134 /* FIXME: Perhaps ought to check that the command completed
135 * successfully (returned 0); if not the data may be
146 /****************************************************************************
147 Load a file into memory from a fd.
148 Truncate at maxsize. If maxsize == 0 - no limit.
149 ****************************************************************************/
151 char *fd_load(int fd, size_t *psize, size_t maxsize)
153 SMB_STRUCT_STAT sbuf;
157 if (sys_fstat(fd, &sbuf) != 0) {
163 size = MIN(size, maxsize);
166 p = (char *)SMB_MALLOC(size+1);
171 if (read(fd, p, size) != size) {
184 /****************************************************************************
185 Load a file into memory.
186 ****************************************************************************/
188 char *file_load(const char *fname, size_t *size, size_t maxsize)
193 if (!fname || !*fname) {
197 fd = open(fname,O_RDONLY);
202 p = fd_load(fd, size, maxsize);
207 /*******************************************************************
209 *******************************************************************/
211 BOOL unmap_file(void* start, size_t size)
214 if ( munmap( start, size ) != 0 ) {
215 DEBUG( 1, ("map_file: Failed to unmap address %p "
217 start, (unsigned int)size, strerror(errno) ));
227 /*******************************************************************
228 mmap (if possible) or read a file.
229 ********************************************************************/
231 void *map_file(char *fname, size_t size)
237 fd = open(fname, O_RDONLY, 0);
239 DEBUG(2,("map_file: Failed to load %s - %s\n", fname, strerror(errno)));
242 p = mmap(NULL, size, PROT_READ, MAP_SHARED|MAP_FILE, fd, 0);
244 if (p == MAP_FAILED) {
245 DEBUG(1,("map_file: Failed to mmap %s - %s\n", fname, strerror(errno)));
250 p = file_load(fname, &s2, 0);
255 DEBUG(1,("map_file: incorrect size for %s - got %lu expected %lu\n",
256 fname, (unsigned long)s2, (unsigned long)size));
264 /****************************************************************************
265 Parse a buffer into lines.
266 ****************************************************************************/
268 static char **file_lines_parse(char *p, size_t size, int *numlines)
277 for (s = p, i=0; s < p+size; s++) {
278 if (s[0] == '\n') i++;
281 ret = SMB_MALLOC_ARRAY(char *, i+2);
286 memset(ret, 0, sizeof(ret[0])*(i+2));
289 for (s = p, i=0; s < p+size; s++) {
300 /* remove any blank lines at the end */
301 while (i > 0 && ret[i-1][0] == 0) {
312 /****************************************************************************
313 Load a file into memory and return an array of pointers to lines in the file
314 must be freed with file_lines_free().
315 ****************************************************************************/
317 char **file_lines_load(const char *fname, int *numlines, size_t maxsize)
322 p = file_load(fname, &size, maxsize);
327 return file_lines_parse(p, size, numlines);
330 /****************************************************************************
331 Load a fd into memory and return an array of pointers to lines in the file
332 must be freed with file_lines_free(). If convert is true calls unix_to_dos on
334 ****************************************************************************/
336 char **fd_lines_load(int fd, int *numlines, size_t maxsize)
341 p = fd_load(fd, &size, maxsize);
346 return file_lines_parse(p, size, numlines);
349 /****************************************************************************
350 Load a pipe into memory and return an array of pointers to lines in the data
351 must be freed with file_lines_free().
352 ****************************************************************************/
354 char **file_lines_pload(char *syscmd, int *numlines)
359 p = file_pload(syscmd, &size);
364 return file_lines_parse(p, size, numlines);
367 /****************************************************************************
368 Free lines loaded with file_lines_load.
369 ****************************************************************************/
371 void file_lines_free(char **lines)
380 /****************************************************************************
381 Take a list of lines and modify them to produce a list where \ continues
383 ****************************************************************************/
385 void file_lines_slashcont(char **lines)
389 for (i=0; lines[i];) {
390 int len = strlen(lines[i]);
391 if (lines[i][len-1] == '\\') {
392 lines[i][len-1] = ' ';
394 char *p = &lines[i][len];
395 while (p < lines[i+1]) {
398 for (j = i+1; lines[j]; j++) {
399 lines[j] = lines[j+1];
408 /****************************************************************************
409 Save a lump of data into a file. Mostly used for debugging.
410 ****************************************************************************/
412 BOOL file_save(const char *fname, void *packet, size_t length)
415 fd = open(fname, O_WRONLY|O_CREAT|O_TRUNC, 0644);
419 if (write(fd, packet, length) != (size_t)length) {