libbsc: Create pcu-socket only as specified in config file
Since commit b4999b60d4
we created PCU
sockets at hard-coded paths in the filesystem by default for all BTSs.
This is inflexible and prevents the use of multiple BSC instances on a
single filesystem, or the placement of the sockets in a more secure
location than /tmp.
The new approach with this patch is that
* no PCU sockets are created by default
* only for those BTSs where a 'pcu-socket' is configured via VTY,
the socket will actually be created
Change-Id: Ie9079470584777dcc31f85f9bf0808f479156ccb
Closes: OS#2293
This commit is contained in:
parent
3f86c523ee
commit
8254cf75bf
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@ -870,6 +870,7 @@ struct gsm_bts {
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struct amr_multirate_conf mr_half;
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/* PCU socket state */
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char *pcu_sock_path;
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struct pcu_sock_state *pcu_state;
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#endif /* ROLE_BSC */
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@ -1,8 +1,6 @@
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#ifndef _PCU_IF_H
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#define _PCU_IF_H
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#define PCU_SOCK_DEFAULT "/tmp/pcu_bts"
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#include <osmocom/gsm/l1sap.h>
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extern int pcu_direct;
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@ -507,8 +507,6 @@ int bsc_network_configure(const char *config_file)
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{
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struct gsm_bts *bts;
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int rc;
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char pcu_sock_path[PATH_MAX];
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char pcu_sock_path_ending[PATH_MAX];
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rc = vty_read_config_file(config_file, NULL);
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if (rc < 0) {
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@ -536,18 +534,6 @@ int bsc_network_configure(const char *config_file)
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LOGP(DNM, LOGL_FATAL, "Error enabling E1 input driver\n");
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return rc;
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}
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strcpy(pcu_sock_path, PCU_SOCK_DEFAULT);
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sprintf(pcu_sock_path_ending,"_%i", bts->nr);
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if (bts->nr > 0)
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strcat(pcu_sock_path, pcu_sock_path_ending);
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rc = pcu_sock_init(pcu_sock_path, bts);
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if (rc < 0) {
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LOGP(DNM, LOGL_FATAL,
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"PCU L1 socket failed for bts %i\n", bts->nr);
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return rc;
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}
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}
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return 0;
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@ -53,6 +53,7 @@
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#include <openbsc/abis_rsl.h>
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#include <openbsc/bsc_msc_data.h>
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#include <openbsc/osmo_bsc_rf.h>
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#include <openbsc/pcu_if.h>
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#include <openbsc/common_cs.h>
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@ -280,6 +281,8 @@ static void bts_dump_vty(struct vty *vty, struct gsm_bts *bts)
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vty_out(vty, "Early Classmark Sending: %s%s",
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bts->early_classmark_allowed ? "allowed" : "forbidden",
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VTY_NEWLINE);
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if (bts->pcu_sock_path)
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vty_out(vty, "PCU Socket Path: %s%s", bts->pcu_sock_path, VTY_NEWLINE);
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if (is_ipaccess_bts(bts))
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vty_out(vty, " Unit ID: %u/%u/0, OML Stream ID 0x%02x%s",
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bts->ip_access.site_id, bts->ip_access.bts_id,
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@ -764,6 +767,8 @@ static void config_write_bts_single(struct vty *vty, struct gsm_bts *bts)
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vty_out(vty, " depends-on-bts %d%s", bts_nr, VTY_NEWLINE);
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}
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}
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if (bts->pcu_sock_path)
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vty_out(vty, " pcu-socket %s%s", bts->pcu_sock_path, VTY_NEWLINE);
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config_write_bts_model(vty, bts);
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}
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@ -2933,6 +2938,26 @@ DEFUN(cfg_bts_si5_neigh, cfg_bts_si5_neigh_cmd,
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return CMD_SUCCESS;
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}
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DEFUN(cfg_bts_pcu_sock, cfg_bts_pcu_sock_cmd,
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"pcu-socket PATH",
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"PCU Socket Path for using OsmoPCU co-located with BSC (legacy BTS)\n"
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"Path in the file system for the unix-domain PCU socket\n")
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{
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struct gsm_bts *bts = vty->index;
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int rc;
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bsc_replace_string(bts, &bts->pcu_sock_path, argv[0]);
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pcu_sock_exit(bts);
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rc = pcu_sock_init(bts->pcu_sock_path, bts);
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if (rc < 0) {
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vty_out(vty, "%% Error creating PCU socket `%s' for BTS %u%s",
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bts->pcu_sock_path, bts->nr, VTY_NEWLINE);
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return CMD_WARNING;
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}
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return CMD_SUCCESS;
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}
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#define EXCL_RFLOCK_STR "Exclude this BTS from the global RF Lock\n"
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DEFUN(cfg_bts_excl_rf_lock,
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@ -4231,6 +4256,7 @@ int bsc_vty_init(struct gsm_network *network)
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install_element(BTS_NODE, &cfg_bts_amr_hr_hyst2_cmd);
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install_element(BTS_NODE, &cfg_bts_amr_hr_hyst3_cmd);
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install_element(BTS_NODE, &cfg_bts_amr_hr_start_mode_cmd);
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install_element(BTS_NODE, &cfg_bts_pcu_sock_cmd);
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install_element(BTS_NODE, &cfg_trx_cmd);
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install_node(&trx_node, dummy_config_write);
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