Initial commit

2 files changed, 167 insertions, 0 deletions

diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..c3abf87
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,9 @@
+CC=gcc
+CFLAGS=-O2 -fomit-frame-pointer -Wall -Wextra
+LDFLAGS=-ltre
+PROG="duser"
+SRC=duser.c
+all:
+	$(CC) $(CFLAGS) $(LDFLAGS) -o $(PROG) $(SRC)
+
+	
diff --git a/duser.c b/duser.c
new file mode 100644
index 0000000..af30362
--- /dev/null
+++ b/duser.c
@@ -0,0 +1,158 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <dirent.h>
+#include <limits.h>
+#include <ctype.h>
+#include <errno.h>
+#include <tre/regex.h>
+#define REGEX_MAX	60
+
+
+typedef struct record_t
+{
+	int index;
+	int match;
+	char file[PATH_MAX];
+	char name[REGEX_MAX];
+} record_t;
+
+char* basename(const char* path);
+record_t* find_in_file(const char* filename, const char* needle);
+int get_file_count(const char* path);
+char** get_file_list(const char* path, int count);
+
+char* basename(const char* path)
+{
+	char *ptr = strrchr(path, '/');
+	return ptr ? ptr + 1 : (char*)path;
+}
+
+const char* regex_fmt = "\%s$";
+record_t* find_in_file(const char* filename, const char* needle)
+{
+	regmatch_t pmatch[10];
+	regex_t preg;
+	record_t record, *rptr;
+	rptr = &record;
+	rptr->index = 0;
+	rptr->match = 0;
+	
+	int index = 0;
+	char* base = basename(filename);
+	char regex[REGEX_MAX];
+	FILE *fp;
+	if((fp = fopen(filename, "r")) == NULL)
+	{
+		fprintf(stderr, "Failed to process: %s\nReason: %s\n", base, strerror(errno));
+		exit(1);
+	}
+	snprintf(regex, REGEX_MAX, regex_fmt, needle);
+	strncpy(rptr->file, filename, PATH_MAX);
+	strncpy(rptr->name, needle, strlen(needle));
+	regcomp(&preg, regex, REG_EXTENDED|REG_ICASE|REG_NOSUB);
+	while(!feof(fp))
+	{
+		char cmp[REGEX_MAX];
+		memset(cmp, 0L, REGEX_MAX);
+		fgets(cmp, REGEX_MAX, fp);
+		cmp[strlen(cmp)-1] = '\0';
+		if((regexec(&preg, cmp, 3, pmatch, REG_NOTBOL)) == 0)
+		{
+			rptr->match = 1;
+			rptr->index = index;
+		}
+		index++;
+	}
+
+	if(rptr->match)
+		return rptr;
+	else
+		return NULL;
+
+}
+
+int get_file_count(const char* path)
+{
+	DIR *dp;
+	struct dirent *ep;
+	int file_count = 0;
+
+	if((dp = opendir(path)) == NULL)
+	{
+		perror("opendir");
+		exit(1);
+	}
+
+	while((ep = readdir(dp)))
+	{
+		if(ep->d_type == DT_REG && !strstr(ep->d_name, "."))
+		{
+			file_count++;
+		}
+	}
+	closedir(dp);
+
+	return file_count;
+}
+
+char** get_file_list(const char* path, int count)
+{
+	DIR *dp;
+	struct dirent *ep;
+	int i = 0;
+
+	if((dp = opendir(path)) == NULL)
+	{
+		perror("opendir");
+		exit(1);
+	}
+
+	char **list = (char**)calloc(count, sizeof(char*));
+	if(list == NULL)
+	{
+		perror("calloc");
+		exit(1);
+	}
+	while((ep = readdir(dp)))
+	{
+		if(ep->d_type == DT_REG && !strstr(ep->d_name, "."))
+		{
+			list[i] = (char*)malloc(sizeof(char) * strlen(ep->d_name));
+			memset(list[i], 0L, sizeof(ep->d_name));
+			strncpy(list[i], ep->d_name, strlen(ep->d_name));
+			i++;
+		}
+	}
+	closedir(dp);
+
+	return list;
+}
+static int file_count = 0;
+const char* list_path = "/internal/1/domotest/opt/majordomo/majordomo-1.94.3/lists/";
+
+int main(int argc, char* argv[])
+{
+	if(argc < 2)
+	{
+		printf("Please define an email address to search for\n");
+		exit(1);
+	}
+	file_count = get_file_count(list_path);
+	char** list;
+	list = get_file_list(list_path, file_count);
+	int i = 0;
+	for(i = 0 ; list[i] != NULL ; i++)
+	{
+		char tmp[PATH_MAX];
+		sprintf(tmp, "%s%s", list_path, list[i]);
+		record_t *rp;
+		if((rp = find_in_file(tmp, argv[1])) != NULL)
+		{
+			printf("%s (Index: %d)\n", basename(rp->file), rp->index);
+		}
+	}
+	printf("%d files\n", file_count);
+
+	return 0;
+}