Initial work on creating lists (properly), but it does not function yet.

1 files changed, 124 insertions, 2 deletions

diff --git a/src/mklist.c b/src/mklist.c
index c445b86..6da5cfa 100644
--- a/src/mklist.c
+++ b/src/mklist.c
@@ -4,12 +4,12 @@
 *
 * This file is part of duser.
 *
-* duser is free software: you can redistribute it and/or modify
+* duser is free software: you can redifilenameibute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
-* duser is distributed in the hope that it will be useful,
+* duser is difilenameibuted in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
@@ -18,4 +18,126 @@
 * along with duser. If not, see <http://www.gnu.org/licenses/>.
 **/
 
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <pwd.h>
+#include <errno.h>
+#include <libgen.h>
+#include <pcre.h>
+#include "duser.h"
 
+char* str_replace(char* str, char* old, char* new)
+{
+	static char buffer[BUFSIZ];
+	char *p;
+	if(!(p = strstr(str, old)))
+		return NULL;
+
+	strncpy(buffer, str, p-str);
+	buffer[p-str] = 0;
+	sprintf(buffer+(p-str), "%s%s", new, p+strlen(old));
+	
+	return buffer;
+}
+
+char* getfile(const char* filename)
+{
+	int bytes = 0;
+	static char buffer[BUFSIZ];
+	FILE* fp = NULL;
+	if((fp = fopen(filename, "r")) == NULL)
+	{
+		fprintf(stderr, "%s: fopen: %s\n", SELF, strerror(errno));
+		return NULL;
+	}
+
+	memset(buffer, 0, strlen(buffer));
+	if((bytes = fread(buffer, BUFSIZ, 1, fp)) < 0)
+	{
+		fprintf(stderr, "%s: fread: %s\n", SELF, strerror(errno));
+		exit(1);
+	}
+	buffer[strlen(buffer)] = 0;
+	fclose(fp);
+
+	return buffer;
+}
+
+static char* mailfmt = "mail -s '%s' -r %s %s"; 
+int mailer(const char* subj, const char* from, const char* to, const char* mesg)
+{
+	char mail[BUFSIZ];
+	if((snprintf(mail, BUFSIZ, mailfmt, subj, from, to)) < 1 )
+	{
+		fprintf(stderr, "%s: Failed to generate mail string.\n", SELF);
+		return -1;
+	}
+
+	FILE *pipe;
+	if((pipe = popen(mail, "w")) == NULL)
+	{
+		fprintf(stderr, "%s: Unable to open pipe.\n", SELF);
+		return -1;
+	}
+	fputs(mesg, pipe);
+	pclose(pipe);
+	return 0;
+}
+
+int mklist(char* filename)
+{
+	uid_t uid;
+	struct passwd *pwd;
+	char tmpname[strlen(filename)+1];
+//	char* list = basename(filename);
+	int status = 0;
+	uid = getuid();
+	pwd = getpwuid(uid);
+
+	if((status = access(filename, F_OK)) == 0)
+	{
+		COM(SELF, "FATAL: %s: '%s' already exists\n", basename(filename), strerror(errno));
+		fprintf(stderr, "'%s' already exists\n", basename(filename));
+		return -1;
+	}
+
+	strncpy(tmpname, filename, strlen(filename));
+	strncat(tmpname, ".info", strlen(filename));
+	if((status = touch(tmpname, 0644)) != 0)
+	{
+		COM(SELF, "FATAL: %s: %s: %s\n", tmpname, strerror(errno));
+		fprintf(stderr, "FATAL: %s: %s: %s\n", SELF, tmpname, strerror(errno));
+	}
+
+	char* tmptpl;
+//	char* tpl; 
+	if((tmptpl = getfile("/usr/local/etc/duser/tpl/aliases")) == NULL)
+	{
+		fprintf(stderr, "%s: %s\n", SELF, strerror(errno));
+		exit(1);
+	}
+
+	pcre *re;
+	const int OVECOUNT = 30;
+	const char* error;
+	int rc;
+	int erroffset;
+	int ovector[OVECOUNT];
+
+	if((re = pcre_compile("%s|list", 0, &error, &erroffset, NULL)) == NULL)
+	{
+		fprintf(stderr, "%s: PCRE compilation failed at offset %d: %s\n", SELF, erroffset, error);
+		return -1;
+	}
+
+	if((rc = pcre_exec(re, NULL, tmptpl, strlen(tmptpl), 0, 0, ovector, OVECOUNT)) < 0)
+	{
+		fprintf(stderr, "%s: PCRE match failed '%d'\n", SELF, rc);
+	}
+	
+	printf("%s\n", (tmptpl + ovector[1]));
+	return 0;
+}