discover: Skip malformed bootdev fields
[petitboot] / discover / platform-powerpc.c
index 23e63c1be152bdbf7e1b4bc0cd3e0e69c4f20eda..7370d7dcc20a21e78dacc57e2efc8ebe7e3cdb0f 100644 (file)
@@ -179,7 +179,7 @@ static int write_nvram(struct platform_powerpc *platform)
        struct process *process;
        struct param *param;
        const char *argv[6];
-       int rc;
+       int rc = 0;
 
        argv[0] = "nvram";
        argv[1] = "--update-config";
@@ -438,7 +438,6 @@ static void populate_bootdev_config(struct platform_powerpc *platform,
 {
        struct autoboot_option *opt, *new = NULL;
        char *pos, *end, *old_dev = NULL;
-       const char delim = ' ';
        unsigned int n_new = 0;
        const char *val;
        bool conflict;
@@ -469,11 +468,9 @@ static void populate_bootdev_config(struct platform_powerpc *platform,
 
                if (read_bootdev(config, &pos, opt)) {
                        pb_log("bootdev config is in an unknown format "
-                              "(expected uuid:... or mac:...)");
+                              "(expected uuid:... or mac:...)\n");
                        talloc_free(opt);
-                       if (strchr(pos, delim))
-                               continue;
-                       return;
+                       continue;
                }
 
                new = talloc_realloc(config, new, struct autoboot_option,
@@ -759,9 +756,8 @@ static int read_bootdev_sysparam(const char *name, uint8_t *val)
        char path[50];
        int fd, rc;
 
-       strcpy(path, sysparams_dir);
-       assert(strlen(name) < sizeof(path) - strlen(path));
-       strcat(path, name);
+       assert(strlen(sysparams_dir) + strlen(name) < sizeof(path));
+       snprintf(path, sizeof(path), "%s%s", sysparams_dir, name);
 
        fd = open(path, O_RDONLY);
        if (fd < 0) {
@@ -795,9 +791,8 @@ static int write_bootdev_sysparam(const char *name, uint8_t val)
        char path[50];
        int fd, rc;
 
-       strcpy(path, sysparams_dir);
-       assert(strlen(name) < sizeof(path) - strlen(path));
-       strcat(path, name);
+       assert(strlen(sysparams_dir) + strlen(name) < sizeof(path));
+       snprintf(path, sizeof(path), "%s%s", sysparams_dir, name);
 
        fd = open(path, O_WRONLY);
        if (fd < 0) {
@@ -989,6 +984,31 @@ static int set_ipmi_os_boot_sensor(struct platform_powerpc *platform)
        return 0;
 }
 
+static void get_ipmi_bmc_mac(struct platform *p, uint8_t *buf)
+{
+       struct platform_powerpc *platform = p->platform_data;
+       uint16_t resp_len = 8;
+       uint8_t resp[8];
+       uint8_t req[] = { 0x1, 0x5, 0x0, 0x0 };
+       int i, rc;
+
+       rc = ipmi_transaction(platform->ipmi, IPMI_NETFN_TRANSPORT,
+                       IPMI_CMD_TRANSPORT_GET_LAN_PARAMS,
+                       req, sizeof(req),
+                       resp, &resp_len,
+                       ipmi_timeout);
+
+       pb_debug("BMC MAC resp [%d][%d]:\n", rc, resp_len);
+
+       if (rc == 0 && resp_len > 0) {
+               for (i = 2; i < resp_len; i++) {
+                       pb_debug(" %x", resp[i]);
+                       buf[i - 2] = resp[i];
+               }
+               pb_debug("\n");
+       }
+}
+
 static int load_config(struct platform *p, struct config *config)
 {
        struct platform_powerpc *platform = to_platform_powerpc(p);
@@ -1057,6 +1077,10 @@ static int get_sysinfo(struct platform *p, struct system_info *sysinfo)
                sysinfo->identifier = talloc_steal(sysinfo, buf);
        talloc_free(filename);
 
+       sysinfo->bmc_mac = talloc_zero_size(sysinfo, HWADDR_SIZE);
+       if (platform->ipmi)
+               get_ipmi_bmc_mac(p, sysinfo->bmc_mac);
+
        return 0;
 }
 
@@ -1085,7 +1109,6 @@ static bool probe(struct platform *p, void *ctx)
                platform->get_ipmi_bootdev = get_ipmi_bootdev_ipmi;
                platform->clear_ipmi_bootdev = clear_ipmi_bootdev_ipmi;
                platform->set_os_boot_sensor = set_ipmi_os_boot_sensor;
-
        } else if (!stat(sysparams_dir, &statbuf)) {
                pb_debug("platform: using sysparams for IPMI paramters\n");
                platform->get_ipmi_bootdev = get_ipmi_bootdev_sysparams;