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Use DIGEST-MD5 instead of GSSAPI.

This commit is contained in:
David Bartley 2007-08-23 22:22:37 -04:00
parent 89463b4460
commit db927a6684
1 changed files with 21 additions and 8 deletions
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29
pam_csc.c
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@ -30,9 +30,9 @@
#define PAM_CSC_CSCF_BASE_DN "dc=student,dc=cs,dc=uwateloo,dc=ca"
#define PAM_CSC_CSCF_BIND_DN \
"uid=TODO,dc=student,dc=cs,dc=uwaterloo,dc=ca"
#define PAM_CSC_KRB5CCNAME "/tmp/krb5cc_pam_csc"
#define PAM_CSC_CSCF_SASL_USER \
"dn:uid=TODO,cn=STUDENT.CS.UWATERLOO.CA,cn=GSSAPI,cn=auth"
"dn:uid=TODO,cn=STUDENT.CS.UWATERLOO.CA,cn=DIGEST-MD5,cn=auth"
#define PAM_CSC_CSCF_PASSWORD_FILE "/etc/security/pam_csc_cscf_password"
#define PAM_CSC_CSCF_SASL_REALM "STUDENT.CS.UWATERLOO.CA"
#define PAM_CSC_LDAP_TIMEOUT 5
#define PAM_CSC_MINIMUM_UID 1000
@ -86,6 +86,7 @@ struct pam_csc_sasl_interact_param
{
const char* realm;
const char* user;
char pass[100];
};
typedef struct pam_csc_sasl_interact_param pam_csc_sasl_interact_param_t;
@ -104,6 +105,9 @@ int pam_csc_sasl_interact(LDAP* ld, unsigned flags, void* def, void* inter)
interact->result = param->user;
interact->len = strlen(param->user);
break;
case SASL_CB_PASS:
interact->result = param->pass;
interact->len = strlen(param->pass);
default:
syslog(LOG_AUTHPRIV | LOG_NOTICE,
PAM_CSC_SYSLOG_SASL_UNRECOGNIZED_CALLBACK, interact->id);
@ -174,6 +178,7 @@ PAM_EXTERN int pam_sm_acct_mgmt(pam_handle_t* pamh, int flags, int argc, const c
char cur_term[6], prev_term[6];
LDAP *ld_csc = NULL, *ld_cscf = NULL;
bool cscf;
FILE* pass_file = NULL;
char* username_escaped = NULL;
char *filter_csc = NULL, *filter_cscf = NULL;
char *attrs_csc[] = {"objectClass", "term", NULL},
@ -235,17 +240,25 @@ PAM_EXTERN int pam_sm_acct_mgmt(pam_handle_t* pamh, int flags, int argc, const c
if(cscf)
{
/* set krb5 cache location */
setenv("KRB5CCNAME", PAM_CSC_KRB5CCNAME, 1);
/* connect to CSCF */
pam_csc_sasl_interact_param_t interact_param = {
PAM_CSC_CSCF_SASL_REALM,
PAM_CSC_CSCF_SASL_USER,
PAM_CSC_CSCF_SASL_USER
};
int ret;
/* read password file */
WARN_ZERO( pass_file = fopen(PAM_CSC_CSCF_PASSWORD_FILE, "r") )
ret = fread(interact_param.pass, sizeof(char),
sizeof(interact_param.pass) - 1, pass_file);
interact_param.pass[ret] = '\0';
if(ret && interact_param.pass[ret - 1] == '\n')
interact_param.pass[ret - 1] = '\0';
fclose(pass_file); pass_file = NULL;
/* connect to CSCF */
WARN_LDAP( ldap_initialize(&ld_cscf, PAM_CSC_CSCF_URI) )
WARN_NEG1( ldap_sasl_interactive_bind_s(ld_cscf, PAM_CSC_CSCF_BIND_DN,
"GSSAPI", NULL, NULL, LDAP_SASL_INTERACTIVE | LDAP_SASL_QUIET,
"DIGEST-MD5", NULL, NULL, LDAP_SASL_INTERACTIVE | LDAP_SASL_QUIET,
pam_csc_sasl_interact, &interact_param) )
}