Started work on Makefiles

9 files changed, 597 insertions, 0 deletions

diff --git a/modules/pam_nologin/pam_nologin.c b/modules/pam_nologin/pam_nologin.c
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/modules/pam_nologin/pam_nologin.c
diff --git a/modules/pam_rootok/pam_rootok.c b/modules/pam_rootok/pam_rootok.c
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/modules/pam_rootok/pam_rootok.c
diff --git a/modules/pam_securetty/pam_securetty.c b/modules/pam_securetty/pam_securetty.c
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/modules/pam_securetty/pam_securetty.c
diff --git a/modules/pam_shells/pam_shells.c b/modules/pam_shells/pam_shells.c
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/modules/pam_shells/pam_shells.c
diff --git a/modules/pam_unix/Makefile b/modules/pam_unix/Makefile
new file mode 100644
index 0000000..314c0e0
--- /dev/null
+++ b/modules/pam_unix/Makefile
@@ -0,0 +1,42 @@
+#
+## Copyright (c) 2008 by Seraphim Mellos.  See LICENSE.
+#
+
+include ../../Make.defs
+
+TITLE = pam_unix
+PAM_SO_SUFFIX = 
+LIBSHARED = $(TITLE).so$(PAM_SO_SUFFIX)
+SHLIBMODE = 755
+MAN8 = $(TITLE).8
+MANMODE = 644
+#SECUREDIR = /lib/security
+#MANDIR = /usr/share/man
+#DESTDIR =
+
+
+
+PROJ = $(LIBSHARED)
+OBJS = pam_unix.c 
+
+all:
+	case "`uname -s`" in \
+	Linux)  $(MAKE) -I$(INCDIR) CFLAGS="$(CFLAGS) -DHAVE_SHADOW" \
+			-L$(LDDIR) LDFLAGS="$(LDFLAGS)" LDLIBS="$(LDLIBS)" \
+			$(PROJ);;\
+	FreeBSD) echo "Not yet supported.";;\
+	*) 	 echo "OS not supported.";;\
+	esac
+
+$(LIBSHARED): $(OBJS) $(MAP)
+	$(LD) $(LDFLAGS) $(OBJS) $(LDLIBS) -o $(LIBSHARED)
+
+.c.o:
+	$(CC) $(CFLAGS) -c $*.c
+
+
+clean:
+	$(RM) $(PROJ) *.o
+
+
+
diff --git a/modules/pam_unix/Makefile~ b/modules/pam_unix/Makefile~
new file mode 100644
index 0000000..1d449ed
--- /dev/null
+++ b/modules/pam_unix/Makefile~
@@ -0,0 +1,41 @@
+#
+## Copyright (c) 2008 by Seraphim Mellos.  See LICENSE.
+#
+
+include ../../Makefile
+TITLE = pam_unix
+PAM_SO_SUFFIX = 
+LIBSHARED = $(TITLE).so$(PAM_SO_SUFFIX)
+SHLIBMODE = 755
+MAN8 = $(TITLE).8
+MANMODE = 644
+#SECUREDIR = /lib/security
+#MANDIR = /usr/share/man
+#DESTDIR =
+
+
+
+PROJ = $(LIBSHARED)
+OBJS = pam_unix.c 
+
+all:
+	case "`uname -s`" in \
+	Linux)  $(MAKE) -I$(INCDIR) CFLAGS="$(CFLAGS) -DHAVE_SHADOW" \
+			-L$(LDDIR) LDFLAGS="$(LDFLAGS)" LDLIBS="$(LDLIBS)" \
+			$(PROJ);;\
+	FreeBSD) echo "Not yet supported.";;\
+	*) 	 echo "OS not supported.";;\
+	esac
+
+$(LIBSHARED): $(OBJS) $(MAP)
+	$(LD) $(LDFLAGS) $(OBJS) $(LDLIBS) -o $(LIBSHARED)
+
+.c.o:
+	$(CC) $(CFLAGS) -c $*.c
+
+
+clean:
+	$(RM) $(PROJ) *.o
+
+
+
diff --git a/modules/pam_unix/pam_unix.c b/modules/pam_unix/pam_unix.c
new file mode 100644
index 0000000..7a8aca3
--- /dev/null
+++ b/modules/pam_unix/pam_unix.c
@@ -0,0 +1,257 @@
+/* #include <pwd.h> */ 
+#include <netdb.h>
+#include <shadow.h>  
+#include <sys/types.h>
+#include <unistd.h>
+
+
+#ifndef MAXHOSTNAMELEN
+# define MAXHOSTNAMELEN 256
+#endif
+
+#define PAM_SM_AUTH
+#define PAM_SM_ACCOUNT
+#define PAM_PASSWORD
+
+#ifndef __linux__
+#include <login_cap.h>
+#endif
+
+
+#include <security/pam_modules.h>
+#include <security/pam_appl.h>
+#include <pam_mod_misc.h>
+
+/*
+ * User authentication
+ */
+
+PAM_EXTERN int
+pam_sm_authenticate(pam_handle_t *pamh, int flags,
+		int argc , const char **argv ) {
+
+#ifndef __linux__
+	login_cap_t *lc;
+#endif
+	struct spwd *pwd;
+	const char *pass, *crypt_pass, *user;
+	int pam_err;
+
+	/* identify user */
+
+	if (openpam_get_option(pamh, PAM_OPT_AUTH_AS_SELF)) {
+		PAM_LOG("Authenticating as self.");
+		pwd = getspnam(getlogin());
+	} else {
+		if ((pam_err = pam_get_user(pamh, &user, NULL)) != PAM_SUCCESS) {
+			PAM_ERROR("Authenticating with uname %s failed.", user);
+	                return (pam_err);
+		}
+
+	        pwd = getspnam(user);
+	}
+	
+	PAM_LOG("Authenticating user: %s", user);
+
+	/* get password */
+
+	if (pwd != NULL) {
+		PAM_LOG("Doing real authentication");
+	        pass = pwd->sp_pwdp;
+		if (pass[0] == '\0') {
+			if (!(flags & PAM_DISALLOW_NULL_AUTHTOK) &&
+					openpam_get_option(pamh, PAM_OPT_NULLOK)){
+				PAM_ERROR("Authentication failed. Empty passwd not allowed.");
+				return (PAM_SUCCESS);
+			}
+			
+			pass = "*";
+		}
+#ifndef __linux__
+		lc = login_getpwclass(pwd);
+#endif
+	} else {
+		PAM_LOG("Doing dummy authentication.");
+		pass =  "*";
+#ifndef __linux__     
+		lc = login_getpwclass(NULL);
+#endif
+	}
+
+#ifndef __linux__
+        prompt = login_getcapstr(lc, "passwd_prompt", NULL, NULL);
+        pam_err = pam_get_authtok(pamh, PAM_AUTHTOK, &pass, prompt);
+        login_close(lc);
+#else
+	pam_err = pam_get_authtok(pamh, PAM_AUTHTOK, (const char **) &pass, NULL);
+#endif
+	PAM_LOG("Got password for user %s", user);
+
+        if (pam_err == PAM_CONV_ERR)
+                return (pam_err);
+	if (pam_err != PAM_SUCCESS)
+	        return (PAM_AUTH_ERR);
+	
+	/* check shadow */
+	
+	crypt_pass = crypt(pass, pwd->sp_pwdp); 
+	if ( strcmp(crypt_pass, pwd->sp_pwdp) != 0 ) {
+		PAM_ERROR("Wrong password. Authentication failed.");
+		pam_err = PAM_AUTH_ERR;
+	} else {
+		PAM_LOG("Authentication completed succesfully.");
+		pam_err = PAM_SUCCESS;
+	}
+
+	return (pam_err);
+}
+
+PAM_EXTERN int
+pam_sm_setcred(pam_handle_t *pamh , int flags ,
+		    int argc , const char *argv[] ) {
+	
+	/* 
+	 * This functions takes care of renewing/initializing
+	 * user credentials as well as gid/uids. Someday, it
+	 * will be completed. For now, it's not very urgent. 
+	 */
+
+	return (PAM_SUCCESS);
+}
+
+
+/*
+ * Account Management
+ */
+
+PAM_EXTERN int
+pam_sm_acct_mgmt(pam_handle_t *pamh, int flags ,
+		    int argc , const char *argv[] ) {
+
+
+
+#ifndef __linux__
+	login_cap_t *lc;
+#endif
+
+	struct spwd *pwd;
+	int pam_err;
+	const char *user;
+	time_t curtime;
+	
+#ifndef __linux__
+	const void *rhost, *tty;
+	char rhostip[MAXHOSTNAMELEN] = "";
+#endif
+
+	/* Sanity checks for uname,pwd,tty,host etc */
+
+	pam_err = pam_get_user(pamh, &user, NULL);
+
+	if (pam_err != PAM_SUCCESS)
+		return (pam_err);
+
+	if (user == NULL || (pwd = getspnam(user)) == NULL)
+		return (PAM_SERVICE_ERR);
+#ifndef __linux__
+
+	/* 
+	 * tty/host info are provided by login classes
+	 * and cannot be used out of the box under Linux
+	 * for sanity checking (BSD only). May need to 
+	 * be ported/rewritten to work on Linux as well.
+	 * Time will tell...
+	 */
+	pam_err = pam_get_item(pamh, PAM_RHOST, &rhost);
+
+	if (pam_err != PAM_SUCCESS)
+		return (pam_err);
+
+	pam_err = pam_get_item(pamh, PAM_TTY, &tty);
+
+	if (pam_err != PAM_SUCCESS)
+		return (pam_err);
+#endif
+	if (*pwd->sp_pwdp == '\0' &&
+         	(flags & PAM_DISALLOW_NULL_AUTHTOK) != 0)
+		return (PAM_NEW_AUTHTOK_REQD);
+
+#ifndef __linux__
+	lc = login_getpwclass(pwd);
+	
+	if (lc == NULL) {
+		return (PAM_SERVICE_ERR);
+		
+	}
+#endif
+	/* Check if pw_lstchg or pw_expire is set */
+
+	if (pwd->sp_lstchg || pwd->sp_expire) 
+		curtime = time(NULL) / (60 * 60 * 24);
+	if (pwd->sp_expire) {
+		if ( (curtime > pwd->sp_expire ) && ( pwd->sp_expire != -1 ) ) {  
+#ifndef __linux__ 		
+			login_close(lc);
+#endif	
+			return (PAM_ACCT_EXPIRED);
+		} else if ( ( pwd->sp_expire - curtime < pwd->sp_warn) ) {
+//			pam_error(pamh, "Warning: your account expires on %s",
+//					 ctime(&pwd->pw_expire));
+		}
+	}
+
+	if (pwd->sp_lstchg == 0 ) {
+		return (PAM_NEW_AUTHTOK_REQD);
+	}
+	
+	/* check all other possibilities (mostly stolen from pam_tcb) */
+	
+	if ((curtime > (pwd->sp_lstchg + pwd->sp_max + pwd->sp_inact)) &&
+			(pwd->sp_max != -1) && (pwd->sp_inact != -1) &&
+			(pwd->sp_lstchg != 0)) 
+		return (PAM_ACCT_EXPIRED);
+	
+	if (((pwd->sp_lstchg + pwd->sp_max) < curtime) &&
+		        (pwd->sp_max != -1))
+		return (PAM_ACCT_EXPIRED);
+
+	if ((curtime - pwd->sp_lstchg > pwd->sp_max)
+			&& (curtime - pwd->sp_lstchg > pwd->sp_inact)
+			&& (curtime - pwd->sp_lstchg > pwd->sp_max + pwd->sp_inact)
+			&& (pwd->sp_max != -1) && (pwd->sp_inact != -1))
+		 return (PAM_ACCT_EXPIRED);
+
+	pam_err = (PAM_SUCCESS);
+
+#ifndef __linux__
+
+	/* validate tty/host/time */
+
+	if (!auth_hostok(lc, rhost, rhostip) ||
+			!auth_ttyok(lc, tty) ||
+			!auth_timeok(lc, time(NULL)))
+		pam_err = PAM_AUTH_ERR;
+
+
+	login_close(lc);
+#endif
+
+	return (pam_err);
+
+}
+
+/*
+ * Password Management
+ */
+
+PAM_EXTERN int 
+pam_sm_chautok(pam_handle_t *pamh, int flags,
+		int argc, const char *argv[]) 
+{
+
+
+
+}
+
+
+PAM_MODULE_ENTRY("pam_unix")
diff --git a/modules/pam_unix/pam_unix.c~ b/modules/pam_unix/pam_unix.c~
new file mode 100644
index 0000000..c65ec10
--- /dev/null
+++ b/modules/pam_unix/pam_unix.c~
@@ -0,0 +1,257 @@
+/* #include <pwd.h> */ 
+#include <netdb.h>
+#include <shadow.h>  
+#include <sys/types.h>
+#include <unistd.h>
+
+
+#ifndef MAXHOSTNAMELEN
+# define MAXHOSTNAMELEN 256
+#endif
+
+#define PAM_SM_AUTH
+#define PAM_SM_ACCOUNT
+#define PAM_PASSWORD
+
+#ifndef __linux__
+#include <login_cap.h>
+#endif
+
+
+#include <security/pam_modules.h>
+#include <security/pam_appl.h>
+#include <pam_mod_misc.h>
+
+/*
+ * User authentication
+ */
+
+PAM_EXTERN int
+pam_sm_authenticate(pam_handle_t *pamh, int flags,
+		int argc , const char **argv ) {
+
+#ifndef __linux__
+	login_cap_t *lc;
+#endif
+	struct spwd *pwd;
+	const char *pass, *crypt_pass, *user;
+	int pam_err;
+
+	/* identify user */
+
+	if (openpam_get_option(pamh, PAM_OPT_AUTH_AS_SELF)) {
+		PAM_LOG("Authenticating as self.");
+		pwd = getspnam(getlogin());
+	} else {
+		if ((pam_err = pam_get_user(pamh, &user, NULL)) != PAM_SUCCESS) {
+			PAM_ERROR("Authenticating with uname %s failed.", user);
+	                return (pam_err);
+		}
+
+	        pwd = getspnam(user);
+	}
+	
+	PAM_LOG("Authenticating user: %s", user);
+
+	/* get password */
+
+	if (pwd != NULL) {
+		PAM_LOG("Doing real authentication");
+	        pass = pwd->sp_pwdp;
+		if (pass[0] == '\0') {
+			if (!(flags & PAM_DISALLOW_NULL_AUTHTOK) &&
+					openpam_get_option(pamh, PAM_OPT_NULLOK)){
+				PAM_ERROR("Authentication failed. Empty passwd not allowed");
+				return (PAM_SUCCESS);
+			}
+			
+			pass = "*";
+		}
+#ifndef __linux__
+		lc = login_getpwclass(pwd);
+#endif
+	} else {
+		PAM_LOG("Doing dummy authentication");
+		pass =  "*";
+#ifndef __linux__     
+		lc = login_getpwclass(NULL);
+#endif
+	}
+
+#ifndef __linux__
+        prompt = login_getcapstr(lc, "passwd_prompt", NULL, NULL);
+        pam_err = pam_get_authtok(pamh, PAM_AUTHTOK, &pass, prompt);
+        login_close(lc);
+#else
+	pam_err = pam_get_authtok(pamh, PAM_AUTHTOK, (const char **) &pass, NULL);
+#endif
+	PAM_LOG("Got password for user %s", user);
+
+        if (pam_err == PAM_CONV_ERR)
+                return (pam_err);
+	if (pam_err != PAM_SUCCESS)
+	        return (PAM_AUTH_ERR);
+	
+	/* check shadow */
+	
+	crypt_pass = crypt(pass, pwd->sp_pwdp); 
+	if ( strcmp(crypt_pass, pwd->sp_pwdp) != 0 ) {
+		PAM_ERROR("Wrong password. Authentication failed.");
+		pam_err = PAM_AUTH_ERR;
+	} else {
+		PAM_LOG("Authentication completed succesfully");
+		pam_err = PAM_SUCCESS;
+	}
+
+	return (pam_err);
+}
+
+PAM_EXTERN int
+pam_sm_setcred(pam_handle_t *pamh , int flags ,
+		    int argc , const char *argv[] ) {
+	
+	/* 
+	 * This functions takes care of renewing/initializing
+	 * user credentials as well as gid/uids. Someday, it
+	 * will be completed. For now, it's not very urgent. 
+	 */
+
+	return (PAM_SUCCESS);
+}
+
+
+/*
+ * Account Management
+ */
+
+PAM_EXTERN int
+pam_sm_acct_mgmt(pam_handle_t *pamh, int flags ,
+		    int argc , const char *argv[] ) {
+
+
+
+#ifndef __linux__
+	login_cap_t *lc;
+#endif
+
+	struct spwd *pwd;
+	int pam_err;
+	const char *user;
+	time_t curtime;
+	
+#ifndef __linux__
+	const void *rhost, *tty;
+	char rhostip[MAXHOSTNAMELEN] = "";
+#endif
+
+	/* Sanity checks for uname,pwd,tty,host etc */
+
+	pam_err = pam_get_user(pamh, &user, NULL);
+
+	if (pam_err != PAM_SUCCESS)
+		return (pam_err);
+
+	if (user == NULL || (pwd = getspnam(user)) == NULL)
+		return (PAM_SERVICE_ERR);
+#ifndef __linux__
+
+	/* 
+	 * tty/host info are provided by login classes
+	 * and cannot be used out of the box under Linux
+	 * for sanity checking (BSD only). May need to 
+	 * be ported/rewritten to work on Linux as well.
+	 * Time will tell...
+	 */
+	pam_err = pam_get_item(pamh, PAM_RHOST, &rhost);
+
+	if (pam_err != PAM_SUCCESS)
+		return (pam_err);
+
+	pam_err = pam_get_item(pamh, PAM_TTY, &tty);
+
+	if (pam_err != PAM_SUCCESS)
+		return (pam_err);
+#endif
+	if (*pwd->sp_pwdp == '\0' &&
+         	(flags & PAM_DISALLOW_NULL_AUTHTOK) != 0)
+		return (PAM_NEW_AUTHTOK_REQD);
+
+#ifndef __linux__
+	lc = login_getpwclass(pwd);
+	
+	if (lc == NULL) {
+		return (PAM_SERVICE_ERR);
+		
+	}
+#endif
+	/* Check if pw_lstchg or pw_expire is set */
+
+	if (pwd->sp_lstchg || pwd->sp_expire) 
+		curtime = time(NULL) / (60 * 60 * 24);
+	if (pwd->sp_expire) {
+		if ( (curtime > pwd->sp_expire ) && ( pwd->sp_expire != -1 ) ) {  
+#ifndef __linux__ 		
+			login_close(lc);
+#endif	
+			return (PAM_ACCT_EXPIRED);
+		} else if ( ( pwd->sp_expire - curtime < pwd->sp_warn) ) {
+//			pam_error(pamh, "Warning: your account expires on %s",
+//					 ctime(&pwd->pw_expire));
+		}
+	}
+
+	if (pwd->sp_lstchg == 0 ) {
+		return (PAM_NEW_AUTHTOK_REQD);
+	}
+	
+	/* check all other possibilities (mostly stolen from pam_tcb) */
+	
+	if ((curtime > (pwd->sp_lstchg + pwd->sp_max + pwd->sp_inact)) &&
+			(pwd->sp_max != -1) && (pwd->sp_inact != -1) &&
+			(pwd->sp_lstchg != 0)) 
+		return (PAM_ACCT_EXPIRED);
+	
+	if (((pwd->sp_lstchg + pwd->sp_max) < curtime) &&
+		        (pwd->sp_max != -1))
+		return (PAM_ACCT_EXPIRED);
+
+	if ((curtime - pwd->sp_lstchg > pwd->sp_max)
+			&& (curtime - pwd->sp_lstchg > pwd->sp_inact)
+			&& (curtime - pwd->sp_lstchg > pwd->sp_max + pwd->sp_inact)
+			&& (pwd->sp_max != -1) && (pwd->sp_inact != -1))
+		 return (PAM_ACCT_EXPIRED);
+
+	pam_err = (PAM_SUCCESS);
+
+#ifndef __linux__
+
+	/* validate tty/host/time */
+
+	if (!auth_hostok(lc, rhost, rhostip) ||
+			!auth_ttyok(lc, tty) ||
+			!auth_timeok(lc, time(NULL)))
+		pam_err = PAM_AUTH_ERR;
+
+
+	login_close(lc);
+#endif
+
+	return (pam_err);
+
+}
+
+/*
+ * Password Management
+ */
+
+PAM_EXTERN int 
+pam_sm_chautok(pam_handle_t *pamh, int flags,
+		int argc, const char *argv[]) 
+{
+
+
+
+}
+
+
+PAM_MODULE_ENTRY("pam_unix")
diff --git a/modules/pam_wheel/pam_wheel.c b/modules/pam_wheel/pam_wheel.c
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/modules/pam_wheel/pam_wheel.c