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added load_ip_addrs() to load the ip_addrs global var

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This commit is contained in:
Todd C. Miller
1994-08-10 23:21:47 +00:00
parent 3fa8477a1c
commit 49673e12cb
1 changed files with 47 additions and 2 deletions
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49
sudo.c
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@@ -76,6 +76,8 @@ static char rcsid[] = "$Id$";
#endif /* HAVE_MALLOC_H */ #endif /* HAVE_MALLOC_H */
#include <pwd.h> #include <pwd.h>
#include <netdb.h> #include <netdb.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <sys/param.h> #include <sys/param.h>
#ifdef _AIX #ifdef _AIX
#include <sys/id.h> #include <sys/id.h>
@@ -114,6 +116,7 @@ char *cmnd;
char *user; char *user;
char *epasswd; char *epasswd;
char host[MAXHOSTNAMELEN + 1]; char host[MAXHOSTNAMELEN + 1];
struct in_addr *ip_addrs;
char cwd[MAXPATHLEN + 1]; char cwd[MAXPATHLEN + 1];
uid_t uid = -2; uid_t uid = -2;
@@ -283,10 +286,12 @@ static void load_globals()
inform_user(GLOBAL_NO_HOSTNAME); inform_user(GLOBAL_NO_HOSTNAME);
#ifdef FQDN #ifdef FQDN
} else { } else {
if ((h_ent = gethostbyname(host)) == NULL) if ((h_ent = gethostbyname(host)) == NULL) {
log_error(GLOBAL_HOST_UNREGISTERED); log_error(GLOBAL_HOST_UNREGISTERED);
else } else {
strcpy(host, h_ent -> h_name); strcpy(host, h_ent -> h_name);
load_ip_addrs(h_ent);
}
} }
#else #else
} }
@@ -554,3 +559,43 @@ static void load_cmnd()
exit(1); exit(1);
} }
} }
/**********************************************************************
*
* load_ip_addrs()
*
* This function sets the ip_addrs global variable
*/
void load_ip_addrs(h_ent)
struct hostent *h_ent;
{
char **addr; /* to walk addr list in h_ent */
int i; /* counter */
/* set h_ent if not already set */
if (h_ent == NULL && (h_ent = gethostbyname(host)) == NULL) {
log_error(GLOBAL_HOST_UNREGISTERED);
return;
}
/* malloc space for ip_addrs array */
for (addr = h_ent -> h_addr_list, i = 0; *addr; addr++, i++)
;
if (i) {
ip_addrs = malloc(sizeof(struct in_addr) * (i));
if (ip_addrs == NULL) {
perror("malloc");
(void) fprintf(stderr, "%s: cannot allocate memory!\n", Argv[0]);
exit(1);
}
}
/* copy ip addrs to ip_addrs array */
for (addr = h_ent -> h_addr_list, i = 0; *addr; addr++, i++)
(void) memcpy(&ip_addrs[i], *addr, h_ent -> h_length);
ip_addrs[i].s_addr = 0;
}