Support quoting strings with " or ' in an iproute2 batch file.
Enables to configure empty crypto keys (for ESP-null) or keys with
spaces:
xfrm state add src 1.1.1.1 dst 2.2.2.2 proto ah spi 0x1 \
mode tunnel auth hmac(sha1) "r4ezR/@kd6'749f2 6zf$"
xfrm state add src 5.5.5.5 dst 2.2.2.2 proto esp spi 0x2 \
mode tunnel enc cipher_null ""
Signed-off-by: Christophe Gouault <[email protected]>
---
lib/utils.c | 21 ++++++++++++++++++++-
1 file changed, 20 insertions(+), 1 deletion(-)
diff --git a/lib/utils.c b/lib/utils.c
index 29b4f548acf3..107e3f5766d3 100644
--- a/lib/utils.c
+++ b/lib/utils.c
@@ -914,12 +914,31 @@ int makeargs(char *line, char *argv[], int maxargs)
char *cp;
int argc = 0;
- for (cp = strtok(line, ws); cp; cp = strtok(NULL, ws)) {
+ for (cp = line + strspn(line, ws); *cp; cp += strspn(cp, ws)) {
if (argc >= (maxargs - 1)) {
fprintf(stderr, "Too many arguments to command\n");
exit(1);
}
+
+ /* word begins with quote */
+ if (*cp == '\'' || *cp == '"') {
+ char quote = *cp++;
+
+ argv[argc++] = cp;
+ /* find ending quote */
+ cp = strchr(cp, quote);
+ if (cp == NULL) {
+ fprintf(stderr, "Unterminated quoted string\n");
+ exit(1);
+ }
+ *cp++ = 0;
+ continue;
+ }
+
argv[argc++] = cp;
+ /* find end of word */
+ cp += strcspn(cp, ws);
+ *cp++ = 0;
}
argv[argc] = NULL;
--
2.1.4
--
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