sr-dev November 2023

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389 discussions

[kamailio/kamailio] Kamailio Fails to Release Connected WebSocket TCP Connections (Issue #3589)

by pklinus

### Description  Kamailio does not properly release connected WebSocket TCP connections, leading to a situation where the maximum number of allowable connections is reached and new connection requests are rejected. ### Troubleshooting When examining the logs, we identified an issue where Kamailio is failing to release connected WebSocket TCP connections, causing a backlog of TIME_WAIT connections. The logs show a warning message indicating that the maximum number of allowable sockets per IP has been reached, leading to the rejection of further WebSocket requests. #### Reproduction Establish WebSocket connections with Kamailio. Monitor the number of TIME_WAIT connections using netstat. Observe the warning message in Kamailio logs when the maximum allowable sockets per IP are reached.  #### Debugging Data  ``` (paste your debugging data here) ``` #### Log Messages  ``` 2023-10-03T13:19:33.699043+00:00 apps001 kamailio[23781]: WARNING: |<null>|websockets-role.cfg:224 (websocket_request) 223.233.86.93 is at the maximum 50 allowable sockets per IP, rejecting request for another websocket netstat -punta | grep 223.233.86.93 | grep 5065 tcp 0 0 45.79.166.214:5065 223.233.86.93:52158 TIME_WAIT - tcp 0 0 45.79.166.214:5065 223.233.86.93:52195 TIME_WAIT - tcp 0 0 45.79.166.214:5065 223.233.86.93:52292 TIME_WAIT - tcp 0 0 45.79.166.214:5065 223.233.86.93:52248 TIME_WAIT - tcp 0 0 45.79.166.214:5065 223.233.86.93:52108 TIME_WAIT - tcp 0 0 45.79.166.214:5065 223.233.86.93:52071 TIME_WAIT - ``` #### SIP Traffic  ``` (paste your sip traffic here) ``` ### Possible Solutions  restarting kamailio solves the problem. ### Additional Information * **Kamailio Version** - output of `kamailio -v` ``` version: kamailio 5.7.2 (x86_64/linux) flags: USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, USE_RAW_SOCKS, DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MMAP, PKG_MALLOC, MEM_JOIN_FREE, Q_MALLOC, F_MALLOC, TLSF_MALLOC, DBG_SR_MEMORY, USE_FUTEX, FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE, USE_DNS_FAILOVER, USE_NAPTR, USE_DST_BLOCKLIST, HAVE_RESOLV_RES, TLS_PTHREAD_MUTEX_SHARED ADAPTIVE_WAIT_LOOPS 1024, MAX_RECV_BUFFER_SIZE 262144, MAX_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 8MB poll method support: poll, epoll_lt, epoll_et, sigio_rt, select. id: unknown compiled on 14:39:54 Sep 27 2023 with gcc 7.3.1 ``` * **Operating System**:  ``` CentOS Linux release 7.9.2009 (Core) ``` -- Reply to this email directly or view it on GitHub: https://github.com/kamailio/kamailio/issues/3589 You are receiving this because you are subscribed to this thread. Message ID: <kamailio/kamailio/issues/3589(a)github.com>

1 year

git:master:580915ba: ims_ipsec_pcscf: reparse request buffer to get contact when handling reply

by Daniel-Constantin Mierla

Module: kamailio Branch: master Commit: 580915bade64db034a2ee25c616addc38220c183 URL: https://github.com/kamailio/kamailio/commit/580915bade64db034a2ee25c616addc… Author: Daniel-Constantin Mierla <miconda(a)gmail.com> Committer: Daniel-Constantin Mierla <miconda(a)gmail.com> Date: 2023-11-30T21:01:45+01:00 ims_ipsec_pcscf: reparse request buffer to get contact when handling reply - clone aor in pkg to store the value - trim aor value when the parameters start Co-authored-by: Supreeth Herle <herlesupreeth(a)gmail.com> --- Modified: src/modules/ims_ipsec_pcscf/cmd.c --- Diff: https://github.com/kamailio/kamailio/commit/580915bade64db034a2ee25c616addc… Patch: https://github.com/kamailio/kamailio/commit/580915bade64db034a2ee25c616addc…

1 year

git:master:57794cd1: ims_ipsec_pcscf: fill_contact() check for port size in alias

by Daniel-Constantin Mierla

Module: kamailio Branch: master Commit: 57794cd14205a16ed6c649fadb4efffca1561986 URL: https://github.com/kamailio/kamailio/commit/57794cd14205a16ed6c649fadb4efff… Author: Daniel-Constantin Mierla <miconda(a)gmail.com> Committer: Daniel-Constantin Mierla <miconda(a)gmail.com> Date: 2023-11-30T19:01:52+01:00 ims_ipsec_pcscf: fill_contact() check for port size in alias --- Modified: src/modules/ims_ipsec_pcscf/cmd.c --- Diff: https://github.com/kamailio/kamailio/commit/57794cd14205a16ed6c649fadb4efff… Patch: https://github.com/kamailio/kamailio/commit/57794cd14205a16ed6c649fadb4efff… --- diff --git a/src/modules/ims_ipsec_pcscf/cmd.c b/src/modules/ims_ipsec_pcscf/cmd.c index 906fc3eec53..164ded5e2c1 100644 --- a/src/modules/ims_ipsec_pcscf/cmd.c +++ b/src/modules/ims_ipsec_pcscf/cmd.c @@ -238,7 +238,7 @@ static int fill_contact( } if(alias_start != NULL && *(alias_start - 1) == ';') { char *p, *port_s, *proto_s; - char portbuf[5]; + char portbuf[6]; str alias_s; LM_DBG("contact has an alias [%.*s] - use that as the received\n", @@ -267,12 +267,16 @@ static int fill_contact( port_s = p + 1; p = _strnistr(port_s, "~", alias_s.len - ci->received_host.len); if(p != NULL) { - memset(portbuf, 0, 5); + if((p - port_s)>5) { + LM_ERR("invalid port value\n"); + return -1; + } + memset(portbuf, 0, 6); memcpy(portbuf, port_s, (p - port_s)); ci->received_port = atoi(portbuf); proto_s = p + 1; - memset(portbuf, 0, 5); + memset(portbuf, 0, 6); memcpy(portbuf, proto_s, 1); ci->received_proto = atoi(portbuf);

1 year

[kamailio/kamailio] jansson_get not work when the key contain dot [.] charater (Issue #3658)

by Jakihiko

Hi, I have sample json data as below: $var(mapjson) = {"1.1.1.1": "cloudflare", "2.2.2.2": "ANY"}; I add this line to kamailio script but it does NOT work, jansson_get("1.1.1.1", "$var(mapjson) ", “$var(domain)“); or jansson_get("1\.1\.1\.1", "$var(mapjson) ", “$var(domain)“); Seem kamailio thinks it is a **path** not **a single key**? Thanks -- Reply to this email directly or view it on GitHub: https://github.com/kamailio/kamailio/issues/3658 You are receiving this because you are subscribed to this thread. Message ID: <kamailio/kamailio/issues/3658(a)github.com>

1 year

git:master:2dc4a429: modules: readme files regenerated - ims_ipsec_pcscf ... [skip ci]

by Kamailio Dev

Module: kamailio Branch: master Commit: 2dc4a4297b0c9e6a693a82f0fe95df4d1572d7df URL: https://github.com/kamailio/kamailio/commit/2dc4a4297b0c9e6a693a82f0fe95df4… Author: Kamailio Dev <kamailio.dev(a)kamailio.org> Committer: Kamailio Dev <kamailio.dev(a)kamailio.org> Date: 2023-11-30T11:16:57+01:00 modules: readme files regenerated - ims_ipsec_pcscf ... [skip ci] --- Modified: src/modules/ims_ipsec_pcscf/README Modified: src/modules/ims_qos/README Modified: src/modules/ims_registrar_pcscf/README --- Diff: https://github.com/kamailio/kamailio/commit/2dc4a4297b0c9e6a693a82f0fe95df4… Patch: https://github.com/kamailio/kamailio/commit/2dc4a4297b0c9e6a693a82f0fe95df4…

1 year

git:master:e4b4b95c: ims_ipsec_pcscf: add q value to Security-Server header for IPSec

by Daniel-Constantin Mierla

Module: kamailio Branch: master Commit: e4b4b95c8933796b2cf8d5ad478e66347aa8ebf0 URL: https://github.com/kamailio/kamailio/commit/e4b4b95c8933796b2cf8d5ad478e663… Author: Supreeth Herle <herlesupreeth(a)gmail.com> Committer: Daniel-Constantin Mierla <miconda(a)gmail.com> Date: 2023-11-30T10:18:47+01:00 ims_ipsec_pcscf: add q value to Security-Server header for IPSec --- Modified: src/modules/ims_ipsec_pcscf/cmd.c --- Diff: https://github.com/kamailio/kamailio/commit/e4b4b95c8933796b2cf8d5ad478e663… Patch: https://github.com/kamailio/kamailio/commit/e4b4b95c8933796b2cf8d5ad478e663… --- diff --git a/src/modules/ims_ipsec_pcscf/cmd.c b/src/modules/ims_ipsec_pcscf/cmd.c index 594d442710f..906fc3eec53 100644 --- a/src/modules/ims_ipsec_pcscf/cmd.c +++ b/src/modules/ims_ipsec_pcscf/cmd.c @@ -724,7 +724,7 @@ int add_security_server_header(struct sip_msg *m, ipsec_t *s) memset(sec_hdr_buf, 0, sizeof(sec_hdr_buf)); sec_header->len = snprintf(sec_hdr_buf, sizeof(sec_hdr_buf) - 1, "Security-Server: " - "ipsec-3gpp;prot=esp;mod=trans;spi-c=%d;spi-s=%d;port-c=%d;port-s=%" + "ipsec-3gpp;q=0.1;prot=esp;mod=trans;spi-c=%d;spi-s=%d;port-c=%d;port-s=%" "d;alg=%.*s;ealg=%.*s\r\n", s->spi_pc, s->spi_ps, s->port_pc, s->port_ps, s->r_alg.len, s->r_alg.s, s->r_ealg.len, s->r_ealg.s);

1 year

git:master:bb35e0aa: ims_ipsec_pcscf: cope better with some broken In-Dialog routing

by Daniel-Constantin Mierla

Module: kamailio Branch: master Commit: bb35e0aa112f9c60779692c67f42b6ef2cb1b0c2 URL: https://github.com/kamailio/kamailio/commit/bb35e0aa112f9c60779692c67f42b6e… Author: Supreeth Herle <herlesupreeth(a)gmail.com> Committer: Daniel-Constantin Mierla <miconda(a)gmail.com> Date: 2023-11-30T10:18:47+01:00 ims_ipsec_pcscf: cope better with some broken In-Dialog routing --- Modified: src/modules/ims_ipsec_pcscf/cmd.c --- Diff: https://github.com/kamailio/kamailio/commit/bb35e0aa112f9c60779692c67f42b6e… Patch: https://github.com/kamailio/kamailio/commit/bb35e0aa112f9c60779692c67f42b6e… --- diff --git a/src/modules/ims_ipsec_pcscf/cmd.c b/src/modules/ims_ipsec_pcscf/cmd.c index dca5784c8a0..594d442710f 100644 --- a/src/modules/ims_ipsec_pcscf/cmd.c +++ b/src/modules/ims_ipsec_pcscf/cmd.c @@ -501,6 +501,35 @@ static int create_ipsec_tunnel(const struct ip_addr *remote_addr, ipsec_t *s) add_policy(sock, remote_addr, ipsec_addr, s->port_us, s->port_pc, s->spi_pc, IPSEC_POLICY_DIRECTION_IN); + /* cope with some broken In-Dialog routing */ + // SA5 UE client to P-CSCF client + // src adrr dst addr src port dst port + add_sa(sock, remote_addr, ipsec_addr, s->port_uc, s->port_pc, s->spi_ps, + s->ck, s->ik, s->r_alg, s->r_ealg); + add_policy(sock, remote_addr, ipsec_addr, s->port_uc, s->port_pc, s->spi_ps, + IPSEC_POLICY_DIRECTION_IN); + + // SA6 P-CSCF client to UE client + // src adrr dst addr src port dst port + add_sa(sock, ipsec_addr, remote_addr, s->port_pc, s->port_uc, s->spi_us, + s->ck, s->ik, s->r_alg, s->r_ealg); + add_policy(sock, ipsec_addr, remote_addr, s->port_pc, s->port_uc, s->spi_us, + IPSEC_POLICY_DIRECTION_OUT); + + // SA7 P-CSCF server to UE server + // src adrr dst addr src port dst port + add_sa(sock, ipsec_addr, remote_addr, s->port_ps, s->port_us, s->spi_uc, + s->ck, s->ik, s->r_alg, s->r_ealg); + add_policy(sock, ipsec_addr, remote_addr, s->port_ps, s->port_us, s->spi_uc, + IPSEC_POLICY_DIRECTION_OUT); + + // SA8 UE server to P-CSCF server + // src adrr dst addr src port dst port + add_sa(sock, remote_addr, ipsec_addr, s->port_us, s->port_ps, s->spi_pc, + s->ck, s->ik, s->r_alg, s->r_ealg); + add_policy(sock, remote_addr, ipsec_addr, s->port_us, s->port_ps, s->spi_pc, + IPSEC_POLICY_DIRECTION_IN); + close_mnl_socket(sock); return 0; @@ -562,6 +591,31 @@ static int destroy_ipsec_tunnel( remove_policy(sock, remote_addr, ipsec_addr, s->port_us, s->port_pc, s->spi_pc, ip_addr.af, IPSEC_POLICY_DIRECTION_IN); + /* cope with some broken In-Dialog routing */ + // SA5 UE client to P-CSCF client + remove_sa(sock, remote_addr, ipsec_addr, s->port_uc, s->port_pc, s->spi_ps, + ip_addr.af); + remove_policy(sock, remote_addr, ipsec_addr, s->port_uc, s->port_pc, + s->spi_ps, ip_addr.af, IPSEC_POLICY_DIRECTION_IN); + + // SA6 P-CSCF client to UE client + remove_sa(sock, ipsec_addr, remote_addr, s->port_pc, s->port_uc, s->spi_us, + ip_addr.af); + remove_policy(sock, ipsec_addr, remote_addr, s->port_pc, s->port_uc, + s->spi_us, ip_addr.af, IPSEC_POLICY_DIRECTION_OUT); + + // SA7 P-CSCF server to UE server + remove_sa(sock, ipsec_addr, remote_addr, s->port_ps, s->port_us, s->spi_uc, + ip_addr.af); + remove_policy(sock, ipsec_addr, remote_addr, s->port_ps, s->port_us, + s->spi_uc, ip_addr.af, IPSEC_POLICY_DIRECTION_OUT); + + // SA8 UE server to P-CSCF server + remove_sa(sock, remote_addr, ipsec_addr, s->port_us, s->port_ps, s->spi_pc, + ip_addr.af); + remove_policy(sock, remote_addr, ipsec_addr, s->port_us, s->port_ps, + s->spi_pc, ip_addr.af, IPSEC_POLICY_DIRECTION_IN); + // Release SPIs release_spi(s->spi_pc, s->spi_ps, s->port_pc, s->port_ps);

1 year

git:master:006cca91: ims_ipsec_pcscf: docs for ipsec_destroy_by_contact()

by Daniel-Constantin Mierla

Module: kamailio Branch: master Commit: 006cca915275f8ca3ea52a9d978961e0842f1dcd URL: https://github.com/kamailio/kamailio/commit/006cca915275f8ca3ea52a9d978961e… Author: Daniel-Constantin Mierla <miconda(a)gmail.com> Committer: Daniel-Constantin Mierla <miconda(a)gmail.com> Date: 2023-11-30T10:18:47+01:00 ims_ipsec_pcscf: docs for ipsec_destroy_by_contact() --- Modified: src/modules/ims_ipsec_pcscf/doc/ims_ipsec_pcscf_admin.xml --- Diff: https://github.com/kamailio/kamailio/commit/006cca915275f8ca3ea52a9d978961e… Patch: https://github.com/kamailio/kamailio/commit/006cca915275f8ca3ea52a9d978961e… --- diff --git a/src/modules/ims_ipsec_pcscf/doc/ims_ipsec_pcscf_admin.xml b/src/modules/ims_ipsec_pcscf/doc/ims_ipsec_pcscf_admin.xml index d50c66ed45a..24d77440d89 100644 --- a/src/modules/ims_ipsec_pcscf/doc/ims_ipsec_pcscf_admin.xml +++ b/src/modules/ims_ipsec_pcscf/doc/ims_ipsec_pcscf_admin.xml @@ -367,6 +367,40 @@ ipsec_forward("location", "1"); <programlisting format="linespecific"> ... ipsec_destroy("location"); +... + </programlisting> + </example> + </section> + <section> + <title><function moreinfo="none">ipsec_destroy_by_contact(domain, aor, recv_host, recv_port)</function></title> + <para>The function destroys IPSec tunnel, created with ipsec_create.</para> + <para>Meaning of the parameters is as follows:</para> + <itemizedlist> + <listitem> + <para> + <emphasis>domain</emphasis> - Logical domain within the registrar. + If a database is used then this must be name of the table which + stores the contacts. + </para> + <para> + <emphasis>aor</emphasis> - SIP URI to match the record. + </para> + <para> + <emphasis>recv_host</emphasis> - received host to match the record. + </para> + <para> + <emphasis>recv_port</emphasis> - received port to match the record. + </para> + </listitem> + </itemizedlist> + <para>The last three parameters have to be string valies and can contain + variables.</para> + <example> + <title>ipsec_destroy_by_contact()</title> + + <programlisting format="linespecific"> +... +ipsec_destroy_by_contact("location", "...", "...", "..."); ... </programlisting> </example>

1 year

git:master:0a6e742e: ims_ipsec_pcscf: use core fixup helper functions

by Daniel-Constantin Mierla

Module: kamailio Branch: master Commit: 0a6e742e7d189dbf1bc2a61cdb638458b49873f4 URL: https://github.com/kamailio/kamailio/commit/0a6e742e7d189dbf1bc2a61cdb63845… Author: Daniel-Constantin Mierla <miconda(a)gmail.com> Committer: Daniel-Constantin Mierla <miconda(a)gmail.com> Date: 2023-11-30T10:18:47+01:00 ims_ipsec_pcscf: use core fixup helper functions - remove unused parameter for w_destroy_by_contact() --- Modified: src/modules/ims_ipsec_pcscf/ims_ipsec_pcscf_mod.c --- Diff: https://github.com/kamailio/kamailio/commit/0a6e742e7d189dbf1bc2a61cdb63845… Patch: https://github.com/kamailio/kamailio/commit/0a6e742e7d189dbf1bc2a61cdb63845… --- diff --git a/src/modules/ims_ipsec_pcscf/ims_ipsec_pcscf_mod.c b/src/modules/ims_ipsec_pcscf/ims_ipsec_pcscf_mod.c index 8ab2d584643..223f8d1aab1 100644 --- a/src/modules/ims_ipsec_pcscf/ims_ipsec_pcscf_mod.c +++ b/src/modules/ims_ipsec_pcscf/ims_ipsec_pcscf_mod.c @@ -59,7 +59,7 @@ static int w_create(struct sip_msg *_m, char *_d, char *_cflags); static int w_forward(struct sip_msg *_m, char *_d, char *_cflags); static int w_destroy(struct sip_msg *_m, char *_d, char *_aor); static int w_destroy_by_contact(struct sip_msg *_m, char *_d, char *_aor, - char *_received_host, char *_received_port, char *_cflags); + char *_received_host, char *_received_port); /*! \brief Fixup functions */ static int domain_fixup(void **param, int param_no); @@ -90,7 +90,8 @@ static cmd_export_t cmds[] = { 0, REQUEST_ROUTE | ONREPLY_ROUTE }, {"ipsec_destroy", (cmd_function)w_destroy, 2, unregister_fixup, 0, ANY_ROUTE }, - {"ipsec_destroy_by_contact", (cmd_function)w_destroy_by_contact, 4, unregister2_fixup, 0, ANY_ROUTE}, + {"ipsec_destroy_by_contact", (cmd_function)w_destroy_by_contact, 4, + unregister2_fixup, 0, ANY_ROUTE}, {"bind_ims_ipsec_pcscf", (cmd_function)bind_ipsec_pcscf, 1, 0, 0, 0}, {0, 0, 0, 0, 0, 0} @@ -474,26 +475,8 @@ static int unregister2_fixup(void **param, int param_no) if(param_no == 1) { return domain_fixup(param, param_no); } else { - pv_elem_t *model = NULL; - str s; - - /* convert to str */ - s.s = (char *)*param; - s.len = strlen(s.s); - - model = NULL; - if(s.len == 0) { - LM_ERR("no param!\n"); - return E_CFG; - } - if(pv_parse_format(&s, &model) < 0 || model == NULL) { - LM_ERR("wrong format [%s]!\n", s.s); - return E_CFG; - } - *param = (void *)model; - return 0; + return fixup_spve_all(param, param_no); } - return E_CFG; } /*! \brief @@ -532,9 +515,8 @@ static int w_destroy(struct sip_msg *_m, char *_d, char *_aor) } static int w_destroy_by_contact(struct sip_msg *_m, char *_d, char *_aor, - char *_received_host, char *_received_port, char *_cflags) + char *_received_host, char *_received_port) { - pv_elem_t *model; str aor; str received_host; str received_port; @@ -545,25 +527,21 @@ static int w_destroy_by_contact(struct sip_msg *_m, char *_d, char *_aor, return -1; } - model = (pv_elem_t *)_aor; - if(pv_printf_s(_m, model, &aor) < 0) { - LM_ERR("error - cannot print the format\n"); + if(fixup_get_svalue(_m, (gparam_t *)_aor, &aor) < 0) { + LM_ERR("failed to get aor parameter\n"); return -1; } - LM_DBG("URI: %.*s\n", aor.len, aor.s); - - model = (pv_elem_t *)_received_host; - if(pv_printf_s(_m, model, &received_host) < 0) { - LM_ERR("error - cannot print the format\n"); + if(fixup_get_svalue(_m, (gparam_t *)_received_host, &received_host) < 0) { + LM_ERR("failed to get received host parameter\n"); return -1; } - LM_DBG("Received-Host: %.*s\n", received_host.len, received_host.s); - - model = (pv_elem_t *)_received_port; - if(pv_printf_s(_m, model, &received_port) < 0) { - LM_ERR("error - cannot print the format\n"); + if(fixup_get_svalue(_m, (gparam_t *)_received_port, &received_port) < 0) { + LM_ERR("failed to get received host parameter\n"); return -1; } + + LM_DBG("URI: %.*s\n", aor.len, aor.s); + LM_DBG("Received-Host: %.*s\n", received_host.len, received_host.s); LM_DBG("Received-Port: %.*s\n", received_port.len, received_port.s); if(str2sint(&received_port, &port) != 0) { LM_ERR("error - cannot convert %.*s to an int!\n", received_port.len,

1 year

git:master:279454ff: ims_ipsec_pcscf: new function to destroy IPSec based on Contact and received IP and port

by Daniel-Constantin Mierla

Module: kamailio Branch: master Commit: 279454ff8d4e5804d92a8690c4de3a507efbc44f URL: https://github.com/kamailio/kamailio/commit/279454ff8d4e5804d92a8690c4de3a5… Author: Supreeth Herle <herlesupreeth(a)gmail.com> Committer: Daniel-Constantin Mierla <miconda(a)gmail.com> Date: 2023-11-30T10:18:47+01:00 ims_ipsec_pcscf: new function to destroy IPSec based on Contact and received IP and port - the default ipsec_destroy() cannot be used to used destroy IPSec in any route and needed to be used exactly after all the de-registration process was complete. But, as per the kamailio P-CSCF config script, ipsec_destroy() was used in reply route of NATPING, which didn't have any idea about SIP Register message used for de-registration. Thus, resulting in IPSec not being destroyed even after de-registration was complete. - the newly introduced function ipsec_destroy_by_contact() takes domain, contact, received host and received port in order to determine the exact UE's IPSec tunnel to destroy. --- Modified: src/modules/ims_ipsec_pcscf/cmd.c Modified: src/modules/ims_ipsec_pcscf/cmd.h Modified: src/modules/ims_ipsec_pcscf/ims_ipsec_pcscf_mod.c --- Diff: https://github.com/kamailio/kamailio/commit/279454ff8d4e5804d92a8690c4de3a5… Patch: https://github.com/kamailio/kamailio/commit/279454ff8d4e5804d92a8690c4de3a5…

1 year

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sr-dev November 2023