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Code Issues Releases Wiki Activity

providers/ident: more aggressive NULL checks

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This commit is contained in:
Elizabeth Myers 2016-03-26 18:01:14 -05:00
parent 47ab6f6e6e
commit f875cb8482
1 changed files with 21 additions and 5 deletions
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22
authd/providers/ident.c
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@ -42,9 +42,9 @@ struct ident_query
/* Goinked from old s_auth.c --Elizafox */ /* Goinked from old s_auth.c --Elizafox */
static const char *messages[] = static const char *messages[] =
{ {
":*** Checking Ident", "*** Checking Ident",
":*** Got Ident response", "*** Got Ident response",
":*** No Ident response", "*** No Ident response",
}; };
typedef enum typedef enum
@ -101,6 +101,9 @@ ident_connected(rb_fde_t *F, int error, void *data)
char authbuf[32]; char authbuf[32];
int authlen; int authlen;
if(query == NULL)
return;
/* Check the error */ /* Check the error */
if(error != RB_OK) if(error != RB_OK)
{ {
@ -133,6 +136,9 @@ read_ident_reply(rb_fde_t *F, void *data)
int count; int count;
char buf[IDENT_BUFSIZE + 1]; /* buffer to read auth reply into */ char buf[IDENT_BUFSIZE + 1]; /* buffer to read auth reply into */
if(query == NULL)
return;
len = rb_read(F, buf, IDENT_BUFSIZE); len = rb_read(F, buf, IDENT_BUFSIZE);
if(len < 0 && rb_ignore_errno(errno)) if(len < 0 && rb_ignore_errno(errno))
{ {
@ -178,9 +184,14 @@ client_fail(struct auth_client *auth, ident_message report)
{ {
struct ident_query *query = auth->data[PROVIDER_IDENT]; struct ident_query *query = auth->data[PROVIDER_IDENT];
if(query == NULL)
return;
rb_strlcpy(auth->username, "*", sizeof(auth->username)); rb_strlcpy(auth->username, "*", sizeof(auth->username));
if(query->F != NULL)
rb_close(query->F); rb_close(query->F);
rb_free(query); rb_free(query);
auth->data[PROVIDER_IDENT] = NULL; auth->data[PROVIDER_IDENT] = NULL;
@ -193,7 +204,12 @@ client_success(struct auth_client *auth)
{ {
struct ident_query *query = auth->data[PROVIDER_IDENT]; struct ident_query *query = auth->data[PROVIDER_IDENT];
if(query == NULL)
return;
if(query->F != NULL)
rb_close(query->F); rb_close(query->F);
rb_free(query); rb_free(query);
auth->data[PROVIDER_IDENT] = NULL; auth->data[PROVIDER_IDENT] = NULL;