initiating work on accel-pptpd, replacement of modified poptop

1 files changed, 185 insertions, 0 deletions

diff --git a/accel-pptpd/triton/conf_file.c b/accel-pptpd/triton/conf_file.c
new file mode 100644
index 0000000..3ddb649
--- /dev/null
+++ b/accel-pptpd/triton/conf_file.c
@@ -0,0 +1,185 @@
+#include <string.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+
+#include "conf_file.h"
+#include "triton_p.h"
+
+struct sect_t
+{
+	struct list_head entry;
+	
+	struct conf_file_sect_t *sect;
+};
+
+static LIST_HEAD(sections);
+
+static char* skip_space(char *str);
+static char* skip_word(char *str);
+
+static struct conf_file_sect_t *find_sect(const char *name);
+static struct conf_file_sect_t *create_sect(const char *name);
+static void sect_add_item(struct conf_file_sect_t *sect,const char *name,const char *val);
+static struct option_t *find_item(struct conf_file_sect_t *,const char *name);
+
+void conf_file_load(const char *fname)
+{
+	char *buf,*str,*str2;
+	char *path0,*path;
+	int cur_line=0;
+	static struct conf_file_sect_t *cur_sect=NULL;
+	FILE *f=fopen(fname,"r");
+	if (!f)
+	{
+		perror("triton: open conf file");
+		return;
+	}
+	
+	buf=(char*)malloc(1024);
+	path0=(char*)malloc(4096);
+	path=(char*)malloc(4096);
+	
+	getcwd(path0,1024);
+	
+	while(!feof(f))
+	{
+		buf=fgets(buf,1024,f);
+		if (!buf) break;
+		++cur_line;
+		if (buf[strlen(buf)-1]=='\n')
+			buf[strlen(buf)-1]=0;
+		
+		str=skip_space(buf);
+		if (*str=='#' || *str==0) continue;
+		if (strncmp(str,"$include",8)==0)
+		{
+			str=skip_word(str);
+			str=skip_space(str);
+			/*if (*str=='.')
+			{
+				strcpy(path,path0);
+				strcat(path,str+1);
+				str=path;
+			}*/
+			conf_file_load(str);
+			continue;
+		}
+		if (*str=='[')
+		{
+			for (str2=++str; *str2 && *str2!=']'; str2++);
+			if (*str2!=']')
+			{
+//L1:
+				printf("triton: sintax error in conf file %s line %i\n",fname,cur_line);
+				return;
+			}
+			*str2=0;
+			cur_sect=find_sect(str);
+			if (!cur_sect) cur_sect=create_sect(str);	
+			continue;
+		}
+		if (!cur_sect)
+		{
+			printf("triton: no section opened in conf file %s line %i\n",fname,cur_line);
+			return;
+		}
+		str2=skip_word(str);
+		if (*str2==' ')
+		{
+			*str2=0;
+			++str2;
+		}
+		str2=skip_space(str2);
+		if (*str2=='=' || *str2==',')
+		{
+			*str2=0;
+			str2=skip_space(str2+1);
+			if (*str2 && *(str2+1) && *str2=='$' && *(str2+1)=='{')
+			{
+				char *s;
+				struct option_t *opt;
+				for (s=str2+2; *s && *s!='}'; s++);
+				if (*s=='}')
+				{
+					*s=0;
+					str2+=2;
+				}
+				opt=find_item(cur_sect,str2);
+				if (!opt)
+				{
+					printf("triton: parent option not found int conf file %s line %i\n",fname,cur_line);
+					return;
+				}
+				str2=opt->val;
+			}
+		}else str2=NULL;
+		sect_add_item(cur_sect,str,str2);
+	}
+	
+	free(buf);
+	free(path);
+	free(path0);
+	fclose(f);
+}
+
+static char* skip_space(char *str)
+{
+	for (; *str && *str==' '; str++);
+	return str;
+}
+static char* skip_word(char *str)
+{
+	for (; *str && (*str!=' ' && *str!='='); str++);
+	return str;
+}
+
+static struct conf_file_sect_t *find_sect(const char *name)
+{
+	struct sect_t *s;
+	list_for_each_entry(s,&sections,entry)
+	{
+		if (strcmp(s->sect->name,name)==0) return s->sect;
+	}
+	return NULL;
+}
+
+static struct conf_file_sect_t *create_sect(const char *name)
+{
+	struct sect_t *s=(struct sect_t *)malloc(sizeof(struct sect_t));
+	
+	s->sect=(struct conf_file_sect_t*)malloc(sizeof(struct conf_file_sect_t));
+	s->sect->name=(char*)strdup(name);
+	INIT_LIST_HEAD(&s->sect->items);
+	
+	list_add_tail(&s->entry,&sections);
+	
+	return s->sect;
+}
+
+static void sect_add_item(struct conf_file_sect_t *sect,const char *name,const char *val)
+{
+	struct option_t *opt=(struct option_t *)malloc(sizeof(struct option_t));
+	
+	opt->name=(char*)strdup(name);
+	opt->val=val?(char*)strdup(val):NULL;
+	
+	list_add_tail(&opt->entry,&sect->items);
+}
+
+static struct option_t *find_item(struct conf_file_sect_t *sect,const char *name)
+{
+	struct option_t *opt;
+	list_for_each_entry(opt,&sect->items,entry)
+	{
+		if (strcmp(opt->name,name)==0)
+			return opt;
+	}
+	
+	return NULL;
+}
+
+struct conf_file_sect_t *conf_file_get_section(const char *name)
+{
+	return find_sect(name);
+}