Despite being standardized in POSIX.1-2008, the 'm' sscanf() modifier is currently not available on FreeBSD. Reimplement parsing without sscanf() to work around the issue. Signed-off-by: Andrea Bolognani <abologna@redhat.com> --- src/util/viriscsi.c | 34 ++++++++++++++++++++++++++++------ 1 file changed, 28 insertions(+), 6 deletions(-) diff --git a/src/util/viriscsi.c b/src/util/viriscsi.c index e2c80acaaa..96934df948 100644 --- a/src/util/viriscsi.c +++ b/src/util/viriscsi.c @@ -146,8 +146,10 @@ virStorageBackendIQNFound(const char *initiatoriqn, line = outbuf; while (line && *line) { + char *current = line; char *newline; - int num; + char *next; + int i; if (!(newline = strchr(line, '\n'))) break; @@ -156,15 +158,29 @@ virStorageBackendIQNFound(const char *initiatoriqn, VIR_FREE(iface); VIR_FREE(iqn); - num = sscanf(line, "%ms %*[^,],%*[^,],%*[^,],%*[^,],%ms", &iface, &iqn); - if (num != 2) { - virReportError(VIR_ERR_INTERNAL_ERROR, - _("malformed output of %s: %s"), - ISCSIADM, line); + /* Find the first space, copy everything up to that point into + * iface and move past it to continue processing */ + if (!(next = strchr(current, ' '))) + goto error; + + if (VIR_STRNDUP(iface, current, (next - current)) < 0) goto cleanup; + + current = next + 1; + + /* There are five comma separated fields after iface and we only + * care about the last one, so we need to skip four commas and + * copy whatever's left into iqn */ + for (i = 0; i < 4; i++) { + if (!(next = strchr(current, ','))) + goto error; + current = next + 1; } + if (VIR_STRDUP(iqn, current) < 0) + goto cleanup; + if (STREQ(iqn, initiatoriqn)) { VIR_STEAL_PTR(*ifacename, iface); @@ -186,6 +202,12 @@ virStorageBackendIQNFound(const char *initiatoriqn, VIR_FREE(outbuf); virCommandFree(cmd); return ret; + + error: + virReportError(VIR_ERR_INTERNAL_ERROR, + _("malformed output of %s: %s"), + ISCSIADM, line); + goto cleanup; } -- 2.17.1