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net-snmp/SOURCES/net-snmp-5.8-broken-errmsg....

91 lines
3.4 KiB

diff -urNp a/agent/mibgroup/host/hrh_filesys.c b/agent/mibgroup/host/hrh_filesys.c
--- a/agent/mibgroup/host/hrh_filesys.c 2021-06-09 10:30:07.744455758 +0200
+++ b/agent/mibgroup/host/hrh_filesys.c 2021-06-09 10:32:50.657160232 +0200
@@ -219,6 +219,7 @@ var_hrhfilesys(struct variable *vp,
{
int fsys_idx;
static char *string;
+ static char empty_str[1];
fsys_idx =
header_hrhfilesys(vp, name, length, exact, var_len, write_method);
@@ -235,7 +236,7 @@ var_hrhfilesys(struct variable *vp,
*var_len = 0;
if (asprintf(&string, "%s", HRFS_entry->path) >= 0)
*var_len = strlen(string);
- return (u_char *) string;
+ return (u_char *)(string ? string : empty_str);
case HRFSYS_RMOUNT:
free(string);
if (HRFS_entry->flags & NETSNMP_FS_FLAG_REMOTE) {
@@ -245,7 +246,7 @@ var_hrhfilesys(struct variable *vp,
string = strdup("");
}
*var_len = string ? strlen(string) : 0;
- return (u_char *) string;
+ return (u_char *)(string ? string : empty_str);
case HRFSYS_TYPE:
fsys_type_id[fsys_type_len - 1] =
diff -urNp a/agent/mibgroup/ucd-snmp/disk.c b/agent/mibgroup/ucd-snmp/disk.c
--- a/agent/mibgroup/ucd-snmp/disk.c 2021-06-09 10:30:07.728455689 +0200
+++ b/agent/mibgroup/ucd-snmp/disk.c 2021-06-09 10:34:32.722597366 +0200
@@ -842,6 +842,7 @@ var_extensible_disk(struct variable *vp,
struct dsk_entry entry;
static long long_ret;
static char *errmsg;
+ static char empty_str[1];
int i;
for (i = 0; i < numdisks; i++){
@@ -950,7 +951,7 @@ tryAgain:
*var_len = strlen(errmsg);
}
}
- return (u_char *) (errmsg);
+ return (u_char *)(errmsg ? errmsg : empty_str);
}
return NULL;
}
diff -urNp a/agent/mibgroup/ucd-snmp/disk_hw.c b/agent/mibgroup/ucd-snmp/disk_hw.c
--- a/agent/mibgroup/ucd-snmp/disk_hw.c 2021-06-09 10:30:07.727455684 +0200
+++ b/agent/mibgroup/ucd-snmp/disk_hw.c 2021-06-09 10:35:53.420943010 +0200
@@ -314,6 +314,7 @@ var_extensible_disk(struct variable *vp,
unsigned long long val;
static long long_ret;
static char *errmsg;
+ static char empty_str[1];
netsnmp_cache *cache;
/* Update the fsys H/W module */
@@ -432,7 +433,7 @@ tryAgain:
>= 0)) {
*var_len = strlen(errmsg);
}
- return (u_char *) errmsg;
+ return (u_char *)(errmsg ? errmsg : empty_str);
}
return NULL;
}
diff -urNp a/agent/mibgroup/ucd-snmp/proc.c b/agent/mibgroup/ucd-snmp/proc.c
--- a/agent/mibgroup/ucd-snmp/proc.c 2021-06-09 10:30:07.725455676 +0200
+++ b/agent/mibgroup/ucd-snmp/proc.c 2021-06-09 10:37:31.143361548 +0200
@@ -267,7 +267,7 @@ var_extensible_proc(struct variable *vp,
struct myproc *proc;
static long long_ret;
static char *errmsg;
-
+ static char empty_str[1];
if (header_simple_table
(vp, name, length, exact, var_len, write_method, numprocs))
@@ -330,7 +330,7 @@ var_extensible_proc(struct variable *vp,
}
}
*var_len = errmsg ? strlen(errmsg) : 0;
- return ((u_char *) errmsg);
+ return (u_char *)(errmsg ? errmsg : empty_str);
case ERRORFIX:
*write_method = fixProcError;
long_return = fixproc.result;