1 files changed, 109 insertions, 0 deletions
diff --git a/sqwebmail/changepw.c b/sqwebmail/changepw.c
new file mode 100644
index 0000000..cd88528
--- /dev/null
+++ b/sqwebmail/changepw.c
@@ -0,0 +1,109 @@
+#include "config.h"
+/*
+** Copyright 2000-2006 Double Precision, Inc.  See COPYING for
+** distribution information.
+*/
+
+#include	"auth.h"
+#include	<courierauth.h>
+#include	<stdlib.h>
+#include	<stdio.h>
+#include	<string.h>
+#include	<signal.h>
+#include	<unistd.h>
+#include	<errno.h>
+#include	<sys/time.h>
+#include	<sys/select.h>
+#include	"htmllibdir.h"
+#include	"numlib/numlib.h"
+#if HAVE_SYS_WAIT_H
+#include	<sys/wait.h>
+#endif
+#ifndef WEXITSTATUS
+#define WEXITSTATUS(stat_val) ((unsigned)(stat_val) >> 8)
+#endif
+#ifndef WIFEXITED
+#define WIFEXITED(stat_val) (((stat_val) & 255) == 0)
+#endif
+
+
+
+static int badstr(const char *p)
+{
+	while (p && *p)
+	{
+		if ((int)(unsigned char)*p < ' ')
+			return 1;
+		++p;
+	}
+	return 0;
+}
+
+int changepw(const char *service,
+	     const char *uid,
+	     const char *opwd,
+	     const char *npwd)
+{
+	pid_t p, p2;
+	int waitstat;
+	int pipefd[2];
+	FILE *fp;
+
+	if (badstr(uid) || badstr(opwd) || badstr(npwd))
+	{
+		errno=EINVAL;
+		return -1;
+	}
+
+	signal(SIGCHLD, SIG_DFL);
+	signal(SIGPIPE, SIG_IGN);
+
+        if (pipe(pipefd) < 0)
+        {
+                perror("CRIT: authdaemon: pipe() failed");
+                errno=EINVAL;
+                return (-1);
+        }
+
+        p=fork();
+
+        if (p == 0)
+        {
+                char *argv[2];
+
+		argv[0]=SQWEBPASSWD;
+		argv[1]=0;
+		dup2(pipefd[0], 0);
+		close(pipefd[0]);
+		close(pipefd[1]);
+		execv(argv[0], argv);
+                perror("CRIT: failed to execute " SQWEBPASSWD);
+		exit(1);
+	}
+
+	close(pipefd[0]);
+
+	if ((fp=fdopen(pipefd[1], "w")) != 0)
+	{
+		fprintf(fp, "%s\t%s\t%s\t%s\n",
+			service, uid, opwd, npwd);
+		fclose(fp);
+	}
+	close(pipefd[1]);
+
+        while ((p2=wait(&waitstat)) != p)
+        {
+                if (p2 < 0 && errno == ECHILD)
+                {
+                        perror("CRIT: authdaemon: wait() failed");
+                        errno=EPERM;
+                        return (-1);
+                }
+        }
+
+        if (WIFEXITED(waitstat) && WEXITSTATUS(waitstat) == 0)
+                return (0);
+
+	errno=EPERM;
+	return (-1);
+}