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authorDamien Miller <djm@mindrot.org>2000-05-31 11:20:11 +1000
committerDamien Miller <djm@mindrot.org>2000-05-31 11:20:11 +1000
commit2f6a0ad191af2e0e67c66bdc5dfc84d9a97bf12c (patch)
tree3b25cc3ba9ed2ae288e33ee8dee5042cc4734020 /fake-getaddrinfo.c
parent03934f2eefc991f2a0be253be8869cf8f39758bc (diff)
downloadopenssh-git-2f6a0ad191af2e0e67c66bdc5dfc84d9a97bf12c.tar.gz
- Cleanup of auth.c, login.c and fake-*
- Cleanup of auth-pam.c, save and print "account expired" error messages
Diffstat (limited to 'fake-getaddrinfo.c')
-rw-r--r--fake-getaddrinfo.c171
1 files changed, 85 insertions, 86 deletions
diff --git a/fake-getaddrinfo.c b/fake-getaddrinfo.c
index 456c41e5..b3af4aa2 100644
--- a/fake-getaddrinfo.c
+++ b/fake-getaddrinfo.c
@@ -7,113 +7,112 @@
* But these functions are not implemented correctly. The minimum subset
* is implemented for ssh use only. For exapmle, this routine assumes
* that ai_family is AF_INET. Don't use it for another purpose.
- *
- * In the case not using 'configure --enable-ipv6', this getaddrinfo.c
- * will be used if you have broken getaddrinfo or no getaddrinfo.
*/
#include "includes.h"
#include "ssh.h"
#ifndef HAVE_GAI_STRERROR
-char *
-gai_strerror(ecode)
-int ecode;
+char *gai_strerror(int ecode)
{
- switch (ecode) {
- case EAI_NODATA:
- return "no address associated with hostname.";
- case EAI_MEMORY:
- return "memory allocation failure.";
- default:
- return "unknown error.";
- }
+ switch (ecode) {
+ case EAI_NODATA:
+ return "no address associated with hostname.";
+ case EAI_MEMORY:
+ return "memory allocation failure.";
+ default:
+ return "unknown error.";
+ }
}
#endif /* !HAVE_GAI_STRERROR */
#ifndef HAVE_FREEADDRINFO
-void
-freeaddrinfo(ai)
-struct addrinfo *ai;
+void freeaddrinfo(struct addrinfo *ai)
{
- struct addrinfo *next;
-
- do {
- next = ai->ai_next;
- free(ai);
- } while (NULL != (ai = next));
+ struct addrinfo *next;
+
+ do {
+ next = ai->ai_next;
+ free(ai);
+ } while (NULL != (ai = next));
}
#endif /* !HAVE_FREEADDRINFO */
#ifndef HAVE_GETADDRINFO
-static struct addrinfo *
-malloc_ai(port, addr)
-int port;
-u_long addr;
+static struct addrinfo *malloc_ai(int port, u_long addr)
{
- struct addrinfo *ai;
+ struct addrinfo *ai;
+
+ ai = malloc(sizeof(struct addrinfo) + sizeof(struct sockaddr_in));
+ if (ai == NULL)
+ return(NULL);
+
+ memset(ai, 0, sizeof(struct addrinfo) + sizeof(struct sockaddr_in));
+
+ ai->ai_addr = (struct sockaddr *)(ai + 1);
+ /* XXX -- ssh doesn't use sa_len */
+ ai->ai_addrlen = sizeof(struct sockaddr_in);
+ ai->ai_addr->sa_family = ai->ai_family = AF_INET;
- if (NULL != (ai = (struct addrinfo *)malloc(sizeof(struct addrinfo) +
- sizeof(struct sockaddr_in)))) {
- memset(ai, 0, sizeof(struct addrinfo) + sizeof(struct sockaddr_in));
- ai->ai_addr = (struct sockaddr *)(ai + 1);
- /* XXX -- ssh doesn't use sa_len */
- ai->ai_addrlen = sizeof(struct sockaddr_in);
- ai->ai_addr->sa_family = ai->ai_family = AF_INET;
- ((struct sockaddr_in *)(ai)->ai_addr)->sin_port = port;
- ((struct sockaddr_in *)(ai)->ai_addr)->sin_addr.s_addr = addr;
- return ai;
- } else {
- return NULL;
- }
+ ((struct sockaddr_in *)(ai)->ai_addr)->sin_port = port;
+ ((struct sockaddr_in *)(ai)->ai_addr)->sin_addr.s_addr = addr;
+
+ return(ai);
}
-int
-getaddrinfo(hostname, servname, hints, res)
-const char *hostname, *servname;
-const struct addrinfo *hints;
-struct addrinfo **res;
+int getaddrinfo(const char *hostname, const char *servname,
+ const struct addrinfo *hints, struct addrinfo **res)
{
- struct addrinfo *cur, *prev = NULL;
- struct hostent *hp;
- int i, port;
-
- if (servname)
- port = htons(atoi(servname));
- else
- port = 0;
- if (hints && hints->ai_flags & AI_PASSIVE)
- if (NULL != (*res = malloc_ai(port, htonl(0x00000000))))
- return 0;
- else
- return EAI_MEMORY;
- if (!hostname)
- if (NULL != (*res = malloc_ai(port, htonl(0x7f000001))))
- return 0;
- else
- return EAI_MEMORY;
- if (inet_addr(hostname) != -1)
- if (NULL != (*res = malloc_ai(port, inet_addr(hostname))))
- return 0;
- else
- return EAI_MEMORY;
- if ((hp = gethostbyname(hostname)) &&
- hp->h_name && hp->h_name[0] && hp->h_addr_list[0]) {
- for (i = 0; hp->h_addr_list[i]; i++)
- if (NULL != (cur = malloc_ai(port,
- ((struct in_addr *)hp->h_addr_list[i])->s_addr))) {
- if (prev)
- prev->ai_next = cur;
+ struct addrinfo *cur, *prev = NULL;
+ struct hostent *hp;
+ int i, port;
+
+ if (servname)
+ port = htons(atoi(servname));
else
- *res = cur;
- prev = cur;
- } else {
- if (*res)
- freeaddrinfo(*res);
- return EAI_MEMORY;
- }
- return 0;
- }
- return EAI_NODATA;
+ port = 0;
+
+ if (hints && hints->ai_flags & AI_PASSIVE) {
+ if (NULL != (*res = malloc_ai(port, htonl(0x00000000))))
+ return 0;
+ else
+ return EAI_MEMORY;
+ }
+
+ if (!hostname) {
+ if (NULL != (*res = malloc_ai(port, htonl(0x7f000001))))
+ return 0;
+ else
+ return EAI_MEMORY;
+ }
+
+ if (inet_addr(hostname) != -1) {
+ if (NULL != (*res = malloc_ai(port, inet_addr(hostname))))
+ return 0;
+ else
+ return EAI_MEMORY;
+ }
+
+ hp = gethostbyname(hostname);
+ if (hp && hp->h_name && hp->h_name[0] && hp->h_addr_list[0]) {
+ for (i = 0; hp->h_addr_list[i]; i++) {
+ cur = malloc_ai(port, ((struct in_addr *)hp->h_addr_list[i])->s_addr);
+ if (cur == NULL) {
+ if (*res)
+ freeaddrinfo(*res);
+ return EAI_MEMORY;
+ }
+
+ if (prev)
+ prev->ai_next = cur;
+ else
+ *res = cur;
+
+ prev = cur;
+ }
+ return 0;
+ }
+
+ return EAI_NODATA;
}
#endif /* !HAVE_GETADDRINFO */