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authorAndrew Bartlett <abartlet@samba.org>2011-05-30 16:16:08 +1000
committerAndrew Bartlett <abartlet@samba.org>2011-05-31 00:32:08 +0200
commit3b7e1ac31c764fc2023925288783c868eb6ec31e (patch)
tree40a16bb22a65b7df024b612331e8b6621f1de58a /source3/lib
parenta5a2373979a9484bb68271e9c1c518f05a8ec564 (diff)
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s3-lib Move realloc based string substitution functions out of util_str.c
This makes the dependency set for source3/lib/util_str.c simpiler, which in turn makes it easier to build a dependency tree. Andrew Bartlett
Diffstat (limited to 'source3/lib')
-rw-r--r--source3/lib/substitute.c29
-rw-r--r--source3/lib/substitute_generic.c116
-rw-r--r--source3/lib/util_str.c126
3 files changed, 148 insertions, 123 deletions
diff --git a/source3/lib/substitute.c b/source3/lib/substitute.c
index b246a17132..d98a18ae2e 100644
--- a/source3/lib/substitute.c
+++ b/source3/lib/substitute.c
@@ -926,3 +926,32 @@ char *standard_sub_conn(TALLOC_CTX *ctx, connection_struct *conn, const char *st
"",
str);
}
+
+/******************************************************************************
+ version of standard_sub_basic() for string lists; uses talloc_sub_basic()
+ for the work
+ *****************************************************************************/
+
+bool str_list_sub_basic( char **list, const char *smb_name,
+ const char *domain_name )
+{
+ TALLOC_CTX *ctx = list;
+ char *s, *tmpstr;
+
+ while ( *list ) {
+ s = *list;
+ tmpstr = talloc_sub_basic(ctx, smb_name, domain_name, s);
+ if ( !tmpstr ) {
+ DEBUG(0,("str_list_sub_basic: "
+ "alloc_sub_basic() return NULL!\n"));
+ return false;
+ }
+
+ TALLOC_FREE(*list);
+ *list = tmpstr;
+
+ list++;
+ }
+
+ return true;
+}
diff --git a/source3/lib/substitute_generic.c b/source3/lib/substitute_generic.c
new file mode 100644
index 0000000000..fa347fb815
--- /dev/null
+++ b/source3/lib/substitute_generic.c
@@ -0,0 +1,116 @@
+/*
+ Unix SMB/CIFS implementation.
+ Samba utility functions
+
+ Copyright (C) Andrew Tridgell 1992-2001
+ Copyright (C) Simo Sorce 2001-2002
+ Copyright (C) Martin Pool 2003
+ Copyright (C) James Peach 2006
+ Copyright (C) Jeremy Allison 1992-2007
+
+ 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
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+
+void fstring_sub(char *s,const char *pattern,const char *insert)
+{
+ string_sub(s, pattern, insert, sizeof(fstring));
+}
+
+/**
+ Similar to string_sub2, but it will accept only allocated strings
+ and may realloc them so pay attention at what you pass on no
+ pointers inside strings, no const may be passed
+ as string.
+**/
+
+char *realloc_string_sub2(char *string,
+ const char *pattern,
+ const char *insert,
+ bool remove_unsafe_characters,
+ bool allow_trailing_dollar)
+{
+ char *p, *in;
+ char *s;
+ ssize_t ls,lp,li,ld, i;
+
+ if (!insert || !pattern || !*pattern || !string || !*string)
+ return NULL;
+
+ s = string;
+
+ in = SMB_STRDUP(insert);
+ if (!in) {
+ DEBUG(0, ("realloc_string_sub: out of memory!\n"));
+ return NULL;
+ }
+ ls = (ssize_t)strlen(s);
+ lp = (ssize_t)strlen(pattern);
+ li = (ssize_t)strlen(insert);
+ ld = li - lp;
+ for (i=0;i<li;i++) {
+ switch (in[i]) {
+ case '$':
+ /* allow a trailing $
+ * (as in machine accounts) */
+ if (allow_trailing_dollar && (i == li - 1 )) {
+ break;
+ }
+ case '`':
+ case '"':
+ case '\'':
+ case ';':
+ case '%':
+ case '\r':
+ case '\n':
+ if ( remove_unsafe_characters ) {
+ in[i] = '_';
+ break;
+ }
+ default:
+ /* ok */
+ break;
+ }
+ }
+
+ while ((p = strstr_m(s,pattern))) {
+ if (ld > 0) {
+ int offset = PTR_DIFF(s,string);
+ string = (char *)SMB_REALLOC(string, ls + ld + 1);
+ if (!string) {
+ DEBUG(0, ("realloc_string_sub: "
+ "out of memory!\n"));
+ SAFE_FREE(in);
+ return NULL;
+ }
+ p = string + offset + (p - s);
+ }
+ if (li != lp) {
+ memmove(p+li,p+lp,strlen(p+lp)+1);
+ }
+ memcpy(p, in, li);
+ s = p + li;
+ ls += ld;
+ }
+ SAFE_FREE(in);
+ return string;
+}
+
+char *realloc_string_sub(char *string,
+ const char *pattern,
+ const char *insert)
+{
+ return realloc_string_sub2(string, pattern, insert, true, false);
+}
diff --git a/source3/lib/util_str.c b/source3/lib/util_str.c
index 5755fc99a0..2a853c3d1a 100644
--- a/source3/lib/util_str.c
+++ b/source3/lib/util_str.c
@@ -227,97 +227,6 @@ bool in_list(const char *s, const char *list, bool casesensitive)
return ret;
}
-void fstring_sub(char *s,const char *pattern,const char *insert)
-{
- string_sub(s, pattern, insert, sizeof(fstring));
-}
-
-/**
- Similar to string_sub2, but it will accept only allocated strings
- and may realloc them so pay attention at what you pass on no
- pointers inside strings, no const may be passed
- as string.
-**/
-
-char *realloc_string_sub2(char *string,
- const char *pattern,
- const char *insert,
- bool remove_unsafe_characters,
- bool allow_trailing_dollar)
-{
- char *p, *in;
- char *s;
- ssize_t ls,lp,li,ld, i;
-
- if (!insert || !pattern || !*pattern || !string || !*string)
- return NULL;
-
- s = string;
-
- in = SMB_STRDUP(insert);
- if (!in) {
- DEBUG(0, ("realloc_string_sub: out of memory!\n"));
- return NULL;
- }
- ls = (ssize_t)strlen(s);
- lp = (ssize_t)strlen(pattern);
- li = (ssize_t)strlen(insert);
- ld = li - lp;
- for (i=0;i<li;i++) {
- switch (in[i]) {
- case '$':
- /* allow a trailing $
- * (as in machine accounts) */
- if (allow_trailing_dollar && (i == li - 1 )) {
- break;
- }
- case '`':
- case '"':
- case '\'':
- case ';':
- case '%':
- case '\r':
- case '\n':
- if ( remove_unsafe_characters ) {
- in[i] = '_';
- break;
- }
- default:
- /* ok */
- break;
- }
- }
-
- while ((p = strstr_m(s,pattern))) {
- if (ld > 0) {
- int offset = PTR_DIFF(s,string);
- string = (char *)SMB_REALLOC(string, ls + ld + 1);
- if (!string) {
- DEBUG(0, ("realloc_string_sub: "
- "out of memory!\n"));
- SAFE_FREE(in);
- return NULL;
- }
- p = string + offset + (p - s);
- }
- if (li != lp) {
- memmove(p+li,p+lp,strlen(p+lp)+1);
- }
- memcpy(p, in, li);
- s = p + li;
- ls += ld;
- }
- SAFE_FREE(in);
- return string;
-}
-
-char *realloc_string_sub(char *string,
- const char *pattern,
- const char *insert)
-{
- return realloc_string_sub2(string, pattern, insert, true, false);
-}
-
/*
* Internal guts of talloc_string_sub and talloc_all_string_sub.
* talloc version of string_sub2.
@@ -348,7 +257,7 @@ char *talloc_string_sub2(TALLOC_CTX *mem_ctx, const char *src,
s = string;
- in = SMB_STRDUP(insert);
+ in = talloc_strdup(mem_ctx, insert);
if (!in) {
DEBUG(0, ("talloc_string_sub2: ENOMEM\n"));
return NULL;
@@ -391,7 +300,7 @@ char *talloc_string_sub2(TALLOC_CTX *mem_ctx, const char *src,
if (!string) {
DEBUG(0, ("talloc_string_sub: out of "
"memory!\n"));
- SAFE_FREE(in);
+ TALLOC_FREE(in);
return NULL;
}
p = string + offset + (p - s);
@@ -407,7 +316,7 @@ char *talloc_string_sub2(TALLOC_CTX *mem_ctx, const char *src,
break;
}
}
- SAFE_FREE(in);
+ TALLOC_FREE(in);
return string;
}
@@ -687,35 +596,6 @@ int fstr_sprintf(fstring s, const char *fmt, ...)
#define S_LIST_ABS 16 /* List Allocation Block Size */
/******************************************************************************
- version of standard_sub_basic() for string lists; uses talloc_sub_basic()
- for the work
- *****************************************************************************/
-
-bool str_list_sub_basic( char **list, const char *smb_name,
- const char *domain_name )
-{
- TALLOC_CTX *ctx = list;
- char *s, *tmpstr;
-
- while ( *list ) {
- s = *list;
- tmpstr = talloc_sub_basic(ctx, smb_name, domain_name, s);
- if ( !tmpstr ) {
- DEBUG(0,("str_list_sub_basic: "
- "alloc_sub_basic() return NULL!\n"));
- return false;
- }
-
- TALLOC_FREE(*list);
- *list = tmpstr;
-
- list++;
- }
-
- return true;
-}
-
-/******************************************************************************
substitute a specific pattern in a string list
*****************************************************************************/