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collectd: snmp6 further improvements

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Return with "-1" if parsing fails in read function.
Reduce buffersize of splitstring function.

Signed-off-by: Nick Hainke <vincent@systemli.org>
This commit is contained in:
Nick Hainke
2021-01-26 14:42:31 +01:00
parent 922e5b1a8b
commit 213c694b75
1 changed files with 4 additions and 4 deletions
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8
utils/collectd/patches/931-snmp6-add-ipv6-statistics.patch
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@@ -155,7 +155,7 @@ Signed-off-by: Nick Hainke <vincent@systemli.org>
+int snmp_read(char *ifname) {
+ FILE *fh;
+ char buffer[1024];
+ char *fields[16];
+ char *fields[2];
+ int numfields;
+ int currline = 0;
+ derive_t data[76];
@@ -178,17 +178,17 @@ Signed-off-by: Nick Hainke <vincent@systemli.org>
+ }
+
+ while (fgets(buffer, 1024, fh) != NULL) {
+ numfields = strsplit(buffer, fields, 16);
+ numfields = strsplit(buffer, fields, 2);
+
+ if (numfields < 2)
+ continue;
+ return -1;
+
+ data[currline++] = atoll(fields[1]);
+ }
+
+ fclose(fh);
+
+ if (currline < 25) {
+ if (currline < 28) {
+ return -1;
+ }
+