4 files changed, 65 insertions, 1 deletion

diff --git a/cgit.c b/cgit.cindex 6a75f27..b9b3a66 100644--- a/cgit.c+++ b/cgit.c@@ -241,6 +241,8 @@ void config_cb(const char *name, const char *value) 		ctx.cfg.ssdiff = atoi(value); 	else if (!strcmp(name, "agefile")) 		ctx.cfg.agefile = xstrdup(value);+	else if (!strcmp(name, "mimetype-file"))+		ctx.cfg.mimetype_file = xstrdup(value); 	else if (!strcmp(name, "renamelimit")) 		ctx.cfg.renamelimit = atoi(value); 	else if (!strcmp(name, "remove-suffix"))
diff --git a/cgit.c b/cgit.c
index 6a75f27..b9b3a66 100644
--- a/cgit.c
+++ b/cgit.c
@@ -241,6 +241,8 @@ void config_cb(const char *name, const char *value)
 		ctx.cfg.ssdiff = atoi(value);
 	else if (!strcmp(name, "agefile"))
 		ctx.cfg.agefile = xstrdup(value);
+	else if (!strcmp(name, "mimetype-file"))
+		ctx.cfg.mimetype_file = xstrdup(value);
 	else if (!strcmp(name, "renamelimit"))
 		ctx.cfg.renamelimit = atoi(value);
 	else if (!strcmp(name, "remove-suffix"))
diff --git a/cgit.h b/cgit.hindex b7c7ac9..6ee6769 100644--- a/cgit.h+++ b/cgit.h@@ -177,6 +177,7 @@ struct cgit_config { 	char *index_info; 	char *logo; 	char *logo_link;+	char *mimetype_file; 	char *module_link; 	char *project_list; 	char *readme;
diff --git a/cgit.h b/cgit.h
index b7c7ac9..6ee6769 100644
--- a/cgit.h
+++ b/cgit.h
@@ -177,6 +177,7 @@ struct cgit_config {
 	char *index_info;
 	char *logo;
 	char *logo_link;
+	char *mimetype_file;
 	char *module_link;
 	char *project_list;
 	char *readme;
diff --git a/cgitrc.5.txt b/cgitrc.5.txtindex fab0e0a..a72241f 100644--- a/cgitrc.5.txt+++ b/cgitrc.5.txt@@ -226,6 +226,17 @@ mimetype.<ext>:: 	Set the mimetype for the specified filename extension. This is used 	by the `plain` command when returning blob content. +mimetype-file::+	Specifies the file to use for automatic mimetype lookup. If specified+	then this field is used as a fallback when no "mimetype.<ext>" match is+	found. If unspecified then no such lookup is performed. The typical file+	to use on a Linux system is /etc/mime.types. Default value: none. See+	also: "mimetype.<ext>".	The format of the file must comply to:+	- a comment line is an empty line or a line starting with a hash (#),+	  optionally preceded by whitespace+	- a non-comment line starts with the mimetype (like image/png), followed+	  by one or more file extensions (like jpg), all separated by whitespace+ module-link:: 	Text which will be used as the formatstring for a hyperlink when a 	submodule is printed in a directory listing. The arguments for the
diff --git a/cgitrc.5.txt b/cgitrc.5.txt
index fab0e0a..a72241f 100644
--- a/cgitrc.5.txt
+++ b/cgitrc.5.txt
@@ -226,6 +226,17 @@ mimetype.<ext>::
 	Set the mimetype for the specified filename extension. This is used
 	by the `plain` command when returning blob content.
 
+mimetype-file::
+	Specifies the file to use for automatic mimetype lookup. If specified
+	then this field is used as a fallback when no "mimetype.<ext>" match is
+	found. If unspecified then no such lookup is performed. The typical file
+	to use on a Linux system is /etc/mime.types. Default value: none. See
+	also: "mimetype.<ext>".	The format of the file must comply to:
+	- a comment line is an empty line or a line starting with a hash (#),
+	  optionally preceded by whitespace
+	- a non-comment line starts with the mimetype (like image/png), followed
+	  by one or more file extensions (like jpg), all separated by whitespace
+
 module-link::
 	Text which will be used as the formatstring for a hyperlink when a
 	submodule is printed in a directory listing. The arguments for the
diff --git a/ui-plain.c b/ui-plain.cindex 2abd210..85877d7 100644--- a/ui-plain.c+++ b/ui-plain.c@@ -6,6 +6,7 @@  *   (see COPYING for full license text)  */ +#include <stdio.h> #include "cgit.h" #include "html.h" #include "ui-shared.h"@@ -13,12 +14,53 @@ int match_baselen; int match; +static char *get_mimetype_from_file(const char *filename, const char *ext)+{+	static const char *delimiters;+	char *result;+	FILE *fd;+	char line[1024];+	char *mimetype;+	char *token;++	if (!filename)+		return NULL;++	fd = fopen(filename, "r");+	if (!fd)+		return NULL;++	delimiters = " \t\r\n";+	result = NULL;++	/* loop over all lines in the file */+	while (!result && fgets(line, sizeof(line), fd)) {+		mimetype = strtok(line, delimiters);++		/* skip empty lines and comment lines */+		if (!mimetype || (mimetype[0] == '#'))+			continue;++		/* loop over all extensions of mimetype */+		while ((token = strtok(NULL, delimiters))) {+			if (!strcasecmp(ext, token)) {+				result = xstrdup(mimetype);+				break;+			}+		}+	}+	fclose(fd);++	return result;+}+ static void print_object(const unsigned char *sha1, const char *path) { 	enum object_type type; 	char *buf, *ext; 	unsigned long size; 	struct string_list_item *mime;+	int freemime;  	type = sha1_object_info(sha1, &size); 	if (type == OBJ_BAD) {@@ -33,10 +75,16 @@ static void print_object(const unsigned char *sha1, const char *path) 	} 	ctx.page.mimetype = NULL; 	ext = strrchr(path, '.');+	freemime = 0; 	if (ext && *(++ext)) { 		mime = string_list_lookup(&ctx.cfg.mimetypes, ext);-		if (mime)+		if (mime) { 			ctx.page.mimetype = (char *)mime->util;+		} else {+			ctx.page.mimetype = get_mimetype_from_file(ctx.cfg.mimetype_file, ext);+			if (ctx.page.mimetype)+				freemime = 1;+		} 	} 	if (!ctx.page.mimetype) { 		if (buffer_is_binary(buf, size))@@ -50,6 +98,8 @@ static void print_object(const unsigned char *sha1, const char *path) 	cgit_print_http_headers(&ctx); 	html_raw(buf, size); 	match = 1;+	if (freemime)+		free(ctx.page.mimetype); }  static char *buildpath(const char *base, int baselen, const char *path)
diff --git a/ui-plain.c b/ui-plain.c
index 2abd210..85877d7 100644
--- a/ui-plain.c
+++ b/ui-plain.c
@@ -6,6 +6,7 @@
  *   (see COPYING for full license text)
  */
 
+#include <stdio.h>
 #include "cgit.h"
 #include "html.h"
 #include "ui-shared.h"
@@ -13,12 +14,53 @@
 int match_baselen;
 int match;
 
+static char *get_mimetype_from_file(const char *filename, const char *ext)
+{
+	static const char *delimiters;
+	char *result;
+	FILE *fd;
+	char line[1024];
+	char *mimetype;
+	char *token;
+
+	if (!filename)
+		return NULL;
+
+	fd = fopen(filename, "r");
+	if (!fd)
+		return NULL;
+
+	delimiters = " \t\r\n";
+	result = NULL;
+
+	/* loop over all lines in the file */
+	while (!result && fgets(line, sizeof(line), fd)) {
+		mimetype = strtok(line, delimiters);
+
+		/* skip empty lines and comment lines */
+		if (!mimetype || (mimetype[0] == '#'))
+			continue;
+
+		/* loop over all extensions of mimetype */
+		while ((token = strtok(NULL, delimiters))) {
+			if (!strcasecmp(ext, token)) {
+				result = xstrdup(mimetype);
+				break;
+			}
+		}
+	}
+	fclose(fd);
+
+	return result;
+}
+
 static void print_object(const unsigned char *sha1, const char *path)
 {
 	enum object_type type;
 	char *buf, *ext;
 	unsigned long size;
 	struct string_list_item *mime;
+	int freemime;
 
 	type = sha1_object_info(sha1, &size);
 	if (type == OBJ_BAD) {
@@ -33,10 +75,16 @@ static void print_object(const unsigned char *sha1, const char *path)
 	}
 	ctx.page.mimetype = NULL;
 	ext = strrchr(path, '.');
+	freemime = 0;
 	if (ext && *(++ext)) {
 		mime = string_list_lookup(&ctx.cfg.mimetypes, ext);
-		if (mime)
+		if (mime) {
 			ctx.page.mimetype = (char *)mime->util;
+		} else {
+			ctx.page.mimetype = get_mimetype_from_file(ctx.cfg.mimetype_file, ext);
+			if (ctx.page.mimetype)
+				freemime = 1;
+		}
 	}
 	if (!ctx.page.mimetype) {
 		if (buffer_is_binary(buf, size))
@@ -50,6 +98,8 @@ static void print_object(const unsigned char *sha1, const char *path)
 	cgit_print_http_headers(&ctx);
 	html_raw(buf, size);
 	match = 1;
+	if (freemime)
+		free(ctx.page.mimetype);
 }
 
 static char *buildpath(const char *base, int baselen, const char *path)