X-Git-Url: http://git.archive.openwrt.org/?p=project%2Fuci.git;a=blobdiff_plain;f=file.c;h=553e5196355c165edb17adcf34df00d92efc6644;hp=d81bbe85995ce3cebc9c2e924698362537b009de;hb=9f540f2106dcf724e4b8c41489d4bda6ccfe65d8;hpb=818f7b8433ae369c20fc56cccbb55b22043b9024

diff --git a/file.c b/file.c
index d81bbe8..553e519 100644
--- a/file.c
+++ b/file.c
@@ -53,165 +53,6 @@ static void uci_file_cleanup(struct uci_context *ctx)
 }
 
 
-/* 
- * parse a character escaped by '\'
- * returns true if the escaped character is to be parsed
- * returns false if the escaped character is to be ignored
- */
-static inline bool parse_backslash(struct uci_context *ctx, char **str)
-{
-	/* skip backslash */
-	*str += 1;
-
-	/* undecoded backslash at the end of line, fetch the next line */
-	if (!**str) {
-		*str += 1;
-		uci_getln(ctx, *str - ctx->pctx->buf);
-		return false;
-	}
-
-	/* FIXME: decode escaped char, necessary? */
-	return true;
-}
-
-/*
- * move the string pointer forward until a non-whitespace character or
- * EOL is reached
- */
-static void skip_whitespace(struct uci_context *ctx, char **str)
-{
-restart:
-	while (**str && isspace(**str))
-		*str += 1;
-
-	if (**str == '\\') {
-		if (!parse_backslash(ctx, str))
-			goto restart;
-	}
-}
-
-static inline void addc(char **dest, char **src)
-{
-	**dest = **src;
-	*dest += 1;
-	*src += 1;
-}
-
-/*
- * parse a double quoted string argument from the command line
- */
-static void parse_double_quote(struct uci_context *ctx, char **str, char **target)
-{
-	char c;
-
-	/* skip quote character */
-	*str += 1;
-
-	while ((c = **str)) {
-		switch(c) {
-		case '"':
-			**target = 0;
-			*str += 1;
-			return;
-		case '\\':
-			if (!parse_backslash(ctx, str))
-				continue;
-			/* fall through */
-		default:
-			addc(target, str);
-			break;
-		}
-	}
-	uci_parse_error(ctx, *str, "unterminated \"");
-}
-
-/*
- * parse a single quoted string argument from the command line
- */
-static void parse_single_quote(struct uci_context *ctx, char **str, char **target)
-{
-	char c;
-	/* skip quote character */
-	*str += 1;
-
-	while ((c = **str)) {
-		switch(c) {
-		case '\'':
-			**target = 0;
-			*str += 1;
-			return;
-		default:
-			addc(target, str);
-		}
-	}
-	uci_parse_error(ctx, *str, "unterminated '");
-}
-
-/*
- * parse a string from the command line and detect the quoting style
- */
-static void parse_str(struct uci_context *ctx, char **str, char **target)
-{
-	do {
-		switch(**str) {
-		case '\'':
-			parse_single_quote(ctx, str, target);
-			break;
-		case '"':
-			parse_double_quote(ctx, str, target);
-			break;
-		case '#':
-			**str = 0;
-			/* fall through */
-		case 0:
-			goto done;
-		case '\\':
-			if (!parse_backslash(ctx, str))
-				continue;
-			/* fall through */
-		default:
-			addc(target, str);
-			break;
-		}
-	} while (**str && !isspace(**str));
-done:
-
-	/* 
-	 * if the string was unquoted and we've stopped at a whitespace
-	 * character, skip to the next one, because the whitespace will
-	 * be overwritten by a null byte here
-	 */
-	if (**str)
-		*str += 1;
-
-	/* terminate the parsed string */
-	**target = 0;
-}
-
-/*
- * extract the next argument from the command line
- */
-static char *next_arg(struct uci_context *ctx, char **str, bool required, bool name)
-{
-	char *val;
-	char *ptr;
-
-	val = ptr = *str;
-	skip_whitespace(ctx, str);
-	parse_str(ctx, str, &ptr);
-	if (!*val) {
-		if (required)
-			uci_parse_error(ctx, *str, "insufficient arguments");
-		goto done;
-	}
-
-	if (name && !uci_validate_name(val))
-		uci_parse_error(ctx, val, "invalid character in field");
-
-done:
-	return val;
-}
-
 /*
  * verify that the end of the line or command is reached.
  * throw an error if extra arguments are given on the command line
@@ -221,7 +62,7 @@ static void assert_eol(struct uci_context *ctx, char **str)
 	char *tmp;
 
 	tmp = next_arg(ctx, str, false, false);
-	if (tmp && *tmp && (ctx->flags & UCI_FLAG_STRICT))
+	if (*tmp && (ctx->flags & UCI_FLAG_STRICT))
 		uci_parse_error(ctx, *str, "too many arguments");
 }
 
@@ -278,50 +119,6 @@ static void uci_parse_package(struct uci_context *ctx, char **str, bool single)
 	uci_switch_config(ctx);
 }
 
-/* Based on an efficient hash function published by D. J. Bernstein */
-static unsigned int djbhash(unsigned int hash, char *str)
-{
-	int len = strlen(str);
-	int i;
-
-	/* initial value */
-	if (hash == ~0)
-		hash = 5381;
-
-	for(i = 0; i < len; i++) {
-		hash = ((hash << 5) + hash) + str[i];
-	}
-	return (hash & 0x7FFFFFFF);
-}
-
-/* fix up an unnamed section */
-static void uci_fixup_section(struct uci_context *ctx, struct uci_section *s)
-{
-	unsigned int hash = ~0;
-	struct uci_element *e;
-	char buf[16];
-
-	if (!s || s->e.name)
-		return;
-
-	/*
-	 * Generate a name for unnamed sections. This is used as reference
-	 * when locating or updating the section from apps/scripts.
-	 * To make multiple concurrent versions somewhat safe for updating,
-	 * the name is generated from a hash of its type and name/value
-	 * pairs of its option, and it is prefixed by a counter value.
-	 * If the order of the unnamed sections changes for some reason,
-	 * updates to them will be rejected.
-	 */
-	hash = djbhash(hash, s->type);
-	uci_foreach_element(&s->options, e) {
-		hash = djbhash(hash, e->name);
-		hash = djbhash(hash, uci_to_option(e)->value);
-	}
-	sprintf(buf, "cfg%02x%04x", ++s->package->n_section, hash % (1 << 16));
-	s->e.name = uci_strdup(ctx, buf);
-}
-
 /*
  * parse the 'config' uci command (open a section)
  */
@@ -342,13 +139,15 @@ static void uci_parse_config(struct uci_context *ctx, char **str)
 	/* command string null-terminated by strtok */
 	*str += strlen(*str) + 1;
 
-	type = next_arg(ctx, str, true, true);
+	type = next_arg(ctx, str, true, false);
+	if (!uci_validate_str(type, false))
+		uci_parse_error(ctx, type, "invalid character in field");
 	name = next_arg(ctx, str, false, true);
 	assert_eol(ctx, str);
 
 	if (pctx->merge) {
 		UCI_TRAP_SAVE(ctx, error);
-		uci_set(ctx, pctx->package, name, NULL, type);
+		uci_set(ctx, pctx->package, name, NULL, type, NULL);
 		UCI_TRAP_RESTORE(ctx);
 		return;
 error:
@@ -373,12 +172,12 @@ static void uci_parse_option(struct uci_context *ctx, char **str)
 	*str += strlen(*str) + 1;
 
 	name = next_arg(ctx, str, true, true);
-	value = next_arg(ctx, str, true, false);
+	value = next_arg(ctx, str, false, false);
 	assert_eol(ctx, str);
 
 	if (pctx->merge) {
 		UCI_TRAP_SAVE(ctx, error);
-		uci_set(ctx, pctx->package, pctx->section->e.name, name, value);
+		uci_set(ctx, pctx->package, pctx->section->e.name, name, value, NULL);
 		UCI_TRAP_RESTORE(ctx);
 		return;
 error:
@@ -521,8 +320,8 @@ int uci_import(struct uci_context *ctx, FILE *stream, const char *name, struct u
 	/* make sure no memory from previous parse attempts is leaked */
 	uci_file_cleanup(ctx);
 
-	pctx = (struct uci_parse_context *) uci_malloc(ctx, sizeof(struct uci_parse_context));
-	ctx->pctx = pctx;
+	uci_alloc_parse_context(ctx);
+	pctx = ctx->pctx;
 	pctx->file = stream;
 	if (*package && single) {
 		pctx->package = *package;
@@ -673,11 +472,13 @@ int uci_commit(struct uci_context *ctx, struct uci_package **package, bool overw
 			/* freed together with the uci_package */
 			path = NULL;
 
-			/* check for updated history, just in case */
-			uci_load_history(ctx, p, true);
+			/* check for updated history, flush */
+			if (!uci_load_history(ctx, p, true))
+				goto done;
 		} else {
 			/* flush history */
-			uci_load_history(ctx, NULL, true);
+			if (!uci_load_history(ctx, NULL, true))
+				goto done;
 		}
 	}