#include "system/network.h"
#include "system/filesys.h"
#include "system/locale.h"
+#undef malloc
+#undef strcasecmp
+#undef strdup
+#undef realloc
/**
* @file
return hostname;
}
-/**
- Return true if a string could be a pure IP address.
-**/
-
-_PUBLIC_ bool is_ipaddress(const char *str)
-{
- bool pure_address = true;
- int i;
-
- if (str == NULL) return false;
-
- for (i=0; pure_address && str[i]; i++)
- if (!(isdigit((int)str[i]) || str[i] == '.'))
- pure_address = false;
-
- /* Check that a pure number is not misinterpreted as an IP */
- pure_address = pure_address && (strchr(str, '.') != NULL);
-
- return pure_address;
-}
-
-/**
- Interpret an internet address or name into an IP address in 4 byte form.
-**/
-_PUBLIC_ uint32_t interpret_addr(const char *str)
-{
- struct hostent *hp;
- uint32_t res;
-
- if (str == NULL || *str == 0 ||
- strcmp(str,"0.0.0.0") == 0) {
- return 0;
- }
- if (strcmp(str,"255.255.255.255") == 0) {
- return 0xFFFFFFFF;
- }
- /* recognise 'localhost' as a special name. This fixes problems with
- some hosts that don't have localhost in /etc/hosts */
- if (strcasecmp(str,"localhost") == 0) {
- str = "127.0.0.1";
- }
-
- /* if it's in the form of an IP address then get the lib to interpret it */
- if (is_ipaddress(str)) {
- res = inet_addr(str);
- } else {
- /* otherwise assume it's a network name of some sort and use
- sys_gethostbyname */
- if ((hp = sys_gethostbyname(str)) == 0) {
- DEBUG(3,("sys_gethostbyname: Unknown host. %s\n",str));
- return 0;
- }
-
- if(hp->h_addr == NULL) {
- DEBUG(3,("sys_gethostbyname: host address is invalid for host %s\n",str));
- return 0;
- }
- memcpy((char *)&res,(char *)hp->h_addr, 4);
- }
-
- if (res == (uint32_t)-1)
- return(0);
-
- return(res);
-}
-
-/**
- A convenient addition to interpret_addr().
-**/
-_PUBLIC_ struct in_addr interpret_addr2(const char *str)
-{
- struct in_addr ret;
- uint32_t a = interpret_addr(str);
- ret.s_addr = a;
- return ret;
-}
-
-/**
- Check if an IP is the 0.0.0.0.
-**/
-
-_PUBLIC_ bool is_zero_ip(struct in_addr ip)
-{
- return ip.s_addr == 0;
-}
-
-/**
- Are two IPs on the same subnet?
-**/
-
-_PUBLIC_ bool same_net(struct in_addr ip1, struct in_addr ip2, struct in_addr mask)
-{
- uint32_t net1,net2,nmask;
-
- nmask = ntohl(mask.s_addr);
- net1 = ntohl(ip1.s_addr);
- net2 = ntohl(ip2.s_addr);
-
- return((net1 & nmask) == (net2 & nmask));
-}
-
-
/**
Check if a process exists. Does this work on all unixes?
**/
-_PUBLIC_ bool process_exists(pid_t pid)
+_PUBLIC_ bool process_exists_by_pid(pid_t pid)
{
/* Doing kill with a non-positive pid causes messages to be
* sent to places we don't want. */
}
-static void print_asc(int level, const uint8_t *buf,int len)
+void print_asc(int level, const uint8_t *buf,int len)
{
int i;
for (i=0;i<len;i++)
strdup that aborts on malloc fail.
**/
-_PUBLIC_ char *smb_xstrdup(const char *s)
+char *smb_xstrdup(const char *s)
{
+#if defined(PARANOID_MALLOC_CHECKER)
+#ifdef strdup
+#undef strdup
+#endif
+#endif
+
+#ifndef HAVE_STRDUP
+#define strdup rep_strdup
+#endif
+
char *s1 = strdup(s);
- if (!s1)
- smb_panic("smb_xstrdup: malloc fail\n");
+#if defined(PARANOID_MALLOC_CHECKER)
+#ifdef strdup
+#undef strdup
+#endif
+#define strdup(s) __ERROR_DONT_USE_STRDUP_DIRECTLY
+#endif
+ if (!s1) {
+ smb_panic("smb_xstrdup: malloc failed");
+ }
+ return s1;
+
+}
+
+/**
+ strndup that aborts on malloc fail.
+**/
+
+char *smb_xstrndup(const char *s, size_t n)
+{
+#if defined(PARANOID_MALLOC_CHECKER)
+#ifdef strndup
+#undef strndup
+#endif
+#endif
+
+#if (defined(BROKEN_STRNDUP) || !defined(HAVE_STRNDUP))
+#undef HAVE_STRNDUP
+#define strndup rep_strndup
+#endif
+
+ char *s1 = strndup(s, n);
+#if defined(PARANOID_MALLOC_CHECKER)
+#ifdef strndup
+#undef strndup
+#endif
+#define strndup(s,n) __ERROR_DONT_USE_STRNDUP_DIRECTLY
+#endif
+ if (!s1) {
+ smb_panic("smb_xstrndup: malloc failed");
+ }
return s1;
}
+
/**
Like strdup but for memory.
**/
/**
realloc an array, checking for integer overflow in the array size
*/
-_PUBLIC_ void *realloc_array(void *ptr, size_t el_size, unsigned count)
+_PUBLIC_ void *realloc_array(void *ptr, size_t el_size, unsigned count, bool free_on_fail)
{
#define MAX_MALLOC_SIZE 0x7fffffff
if (count == 0 ||
count >= MAX_MALLOC_SIZE/el_size) {
+ if (free_on_fail)
+ SAFE_FREE(ptr);
return NULL;
}
if (!ptr) {
void *malloc_array(size_t el_size, unsigned int count)
{
- return realloc_array(NULL, el_size, count);
+ return realloc_array(NULL, el_size, count, false);
}
_PUBLIC_ void *talloc_check_name_abort(const void *ptr, const char *name)
git.samba.org / samba.git / blobdiff