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SUSE:SLE-12-SP4:GA
sssd.13028
0008-Logging-handle-hup-for-helper-fds.patch
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File 0008-Logging-handle-hup-for-helper-fds.patch of Package sssd.13028
--- sssd-1.13.4/src/util/debug.c +++ sssd-1.13.4/src/util/debug.c @@ -411,16 +411,18 @@ int open_debug_file(void) return open_debug_file_ex(NULL, NULL, true); } -int rotate_debug_files(void) +int rotate_debug_file(const char *filename, FILE **filep) { int ret; errno_t error; if (!debug_to_file) return EOK; + if (filep == NULL) return EOK; + do { error = 0; - ret = fclose(debug_file); + ret = fclose(*filep); if (ret != 0) { error = errno; } @@ -440,14 +442,19 @@ int rotate_debug_files(void) * leak and then proceed with opening the new file. */ sss_log(SSS_LOG_ALERT, "Could not close debug file [%s]. [%d][%s]\n", - debug_log_file, error, strerror(error)); + filename, error, strerror(error)); sss_log(SSS_LOG_ALERT, "Attempting to open new file anyway. " "Be aware that this is a resource leak\n"); } - debug_file = NULL; + *filep = NULL; + + return open_debug_file_ex(filename, filep, false); +} - return open_debug_file(); +int rotate_debug_files(void) +{ + return rotate_debug_file(debug_log_file, &debug_file); } void talloc_log_fn(const char *message) --- sssd-1.13.4/src/util/child_common.c +++ sssd-1.13.4/src/util/child_common.c @@ -46,6 +46,8 @@ struct sss_child_ctx { struct sss_sigchild_ctx *sigchld_ctx; }; +struct child_debug *child_debug_list = NULL; + static void sss_child_handler(struct tevent_context *ev, struct tevent_signal *se, int signum, @@ -806,30 +808,36 @@ int child_io_destructor(void *ptr) return EOK; } -errno_t child_debug_init(const char *logfile, int *debug_fd) +errno_t child_debug_init(struct child_debug *cd) { int ret; - FILE *debug_filep; - if (debug_fd == NULL) { + if (cd == NULL) { return EOK; } - if (debug_to_file != 0 && *debug_fd == -1) { - ret = open_debug_file_ex(logfile, &debug_filep, false); + if (debug_to_file != 0 && cd->fd == -1) { + cd->filep = NULL; + cd->prev = NULL; + cd->next = NULL; + ret = open_debug_file_ex(cd->filename, &cd->filep, false); if (ret != EOK) { DEBUG(SSSDBG_FATAL_FAILURE, "Error setting up logging (%d) [%s]\n", ret, sss_strerror(ret)); return ret; } - *debug_fd = fileno(debug_filep); - if (*debug_fd == -1) { + cd->fd = fileno(cd->filep); + if (cd->fd == -1) { DEBUG(SSSDBG_FATAL_FAILURE, "fileno failed [%d][%s]\n", errno, strerror(errno)); ret = errno; + fclose(cd->filep); + cd->filep = NULL; return ret; } + + DLIST_ADD(child_debug_list, cd); } return EOK; --- sssd-1.13.4/src/util/child_common.h +++ sssd-1.13.4/src/util/child_common.h @@ -50,6 +50,16 @@ struct child_io_fds { int write_to_child_fd; }; +struct child_debug { + const char *filename; + int fd; + FILE *filep; + struct child_debug *prev; + struct child_debug *next; +}; + +extern struct child_debug *child_debug_list; + /* COMMON SIGCHLD HANDLING */ typedef void (*sss_child_fn_t)(int pid, int wait_status, void *pvt); @@ -116,6 +126,6 @@ errno_t exec_child(TALLOC_CTX *mem_ctx, int child_io_destructor(void *ptr); -errno_t child_debug_init(const char *logfile, int *debug_fd); +errno_t child_debug_init(struct child_debug *child_debug); #endif /* __CHILD_COMMON_H__ */ --- sssd-1.13.4/src/providers/ad/ad_gpo.c +++ sssd-1.13.4/src/providers/ad/ad_gpo.c @@ -103,7 +103,10 @@ #endif /* fd used by the gpo_child process for logging */ -int gpo_child_debug_fd = -1; +struct child_debug gpo_child_debug = { + .fd = -1, + .filename = "gpo_child" +}; /* == common data structures and declarations ============================= */ @@ -1405,11 +1408,9 @@ ad_gpo_access_check(TALLOC_CTX *mem_ctx, return ret; } -#define GPO_CHILD_LOG_FILE "gpo_child" - static errno_t gpo_child_init(void) { - return child_debug_init(GPO_CHILD_LOG_FILE, &gpo_child_debug_fd); + return child_debug_init(&gpo_child_debug); } /* @@ -4244,7 +4245,7 @@ gpo_fork_child(struct tevent_req *req) if (pid == 0) { /* child */ err = exec_child_ex(state, pipefd_to_child, pipefd_from_child, - GPO_CHILD, gpo_child_debug_fd, NULL, false, + GPO_CHILD, gpo_child_debug.fd, NULL, false, STDIN_FILENO, AD_GPO_CHILD_OUT_FILENO); DEBUG(SSSDBG_CRIT_FAILURE, "Could not exec gpo_child: [%d][%s].\n", err, strerror(err)); --- sssd-1.13.4/src/providers/ipa/ipa_selinux.c +++ sssd-1.13.4/src/providers/ipa/ipa_selinux.c @@ -53,7 +53,10 @@ #include <selinux/selinux.h> /* fd used by the selinux_child process for logging */ -int selinux_child_debug_fd = -1; +struct child_debug selinux_child_debug = { + .fd = -1, + .filename = SELINUX_CHILD_LOG_FILE +}; static struct tevent_req * ipa_get_selinux_send(TALLOC_CTX *mem_ctx, @@ -976,7 +979,7 @@ immediately: static errno_t selinux_child_init(void) { - return child_debug_init(SELINUX_CHILD_LOG_FILE, &selinux_child_debug_fd); + return child_debug_init(&selinux_child_debug); } static errno_t selinux_child_create_buffer(struct selinux_child_state *state) @@ -1049,7 +1052,7 @@ static errno_t selinux_fork_child(struct if (pid == 0) { /* child */ ret = exec_child(state, pipefd_to_child, pipefd_from_child, - SELINUX_CHILD, selinux_child_debug_fd); + SELINUX_CHILD, selinux_child_debug.fd); DEBUG(SSSDBG_CRIT_FAILURE, "Could not exec selinux_child: [%d][%s].\n", ret, sss_strerror(ret)); return ret; --- sssd-1.13.4/src/providers/krb5/krb5_child_handler.c +++ sssd-1.13.4/src/providers/krb5/krb5_child_handler.c @@ -311,7 +311,7 @@ static errno_t fork_child(struct tevent_ if (pid == 0) { /* child */ err = exec_child_ex(state, pipefd_to_child, pipefd_from_child, - KRB5_CHILD, state->kr->krb5_ctx->child_debug_fd, + KRB5_CHILD, state->kr->krb5_ctx->child_debug.fd, k5c_extra_args, false, STDIN_FILENO, STDOUT_FILENO); if (err != EOK) { DEBUG(SSSDBG_CRIT_FAILURE, "Could not exec KRB5 child: [%d][%s].\n", --- sssd-1.13.4/src/providers/krb5/krb5_common.h +++ sssd-1.13.4/src/providers/krb5/krb5_common.h @@ -31,6 +31,7 @@ #include "providers/dp_backend.h" #include "util/util.h" +#include "util/child_common.h" #include "util/sss_krb5.h" #define SSSD_KRB5_KDC "SSSD_KRB5_KDC" @@ -123,7 +124,7 @@ struct krb5_ctx { struct dp_option *opts; struct krb5_service *service; struct krb5_service *kpasswd_service; - int child_debug_fd; + struct child_debug child_debug; pcre *illegal_path_re; --- sssd-1.13.4/src/providers/krb5/krb5_init_shared.c +++ sssd-1.13.4/src/providers/krb5/krb5_init_shared.c @@ -83,9 +83,9 @@ errno_t krb5_child_init(struct krb5_ctx goto done; } - krb5_auth_ctx->child_debug_fd = -1; /* -1 means not initialized */ - ret = child_debug_init(KRB5_CHILD_LOG_FILE, - &krb5_auth_ctx->child_debug_fd); + krb5_auth_ctx->child_debug.fd = -1; /* -1 means not initialized */ + krb5_auth_ctx->child_debug.filename = KRB5_CHILD_LOG_FILE; + ret = child_debug_init(&krb5_auth_ctx->child_debug); if (ret != EOK) { DEBUG(SSSDBG_OP_FAILURE, "Could not set krb5_child debugging!\n"); goto done; --- sssd-1.13.4/src/providers/ldap/ldap_common.c +++ sssd-1.13.4/src/providers/ldap/ldap_common.c @@ -36,7 +36,10 @@ #include "providers/ldap/sdap_idmap.h" /* a fd the child process would log into */ -int ldap_child_debug_fd = -1; +struct child_debug ldap_child_debug = { + .fd = -1, + .filename = LDAP_CHILD_LOG_FILE +}; void sdap_handler_done(struct be_req *req, int dp_err, int error, const char *errstr) --- sssd-1.13.4/src/providers/ldap/ldap_common.h +++ sssd-1.13.4/src/providers/ldap/ldap_common.h @@ -43,7 +43,7 @@ #define LDAP_ALLOWED_WILDCARDS "*" /* a fd the child process would log into */ -extern int ldap_child_debug_fd; +extern struct child_debug ldap_child_debug; struct sdap_id_ctx; --- sssd-1.13.4/src/providers/ldap/sdap_child_helpers.c +++ sssd-1.13.4/src/providers/ldap/sdap_child_helpers.c @@ -98,7 +98,7 @@ static errno_t sdap_fork_child(struct te if (pid == 0) { /* child */ err = exec_child(child, pipefd_to_child, pipefd_from_child, - LDAP_CHILD, ldap_child_debug_fd); + LDAP_CHILD, ldap_child_debug.fd); DEBUG(SSSDBG_CRIT_FAILURE, "Could not exec LDAP child: [%d][%s].\n", err, strerror(err)); return err; @@ -461,5 +461,5 @@ static errno_t set_tgt_child_timeout(str /* Setup child logging */ int sdap_setup_child(void) { - return child_debug_init(LDAP_CHILD_LOG_FILE, &ldap_child_debug_fd); + return child_debug_init(&ldap_child_debug); } --- sssd-1.13.4/src/responder/pam/pamsrv.c +++ sssd-1.13.4/src/responder/pam/pamsrv.c @@ -315,7 +315,6 @@ static int pam_process_init(TALLOC_CTX * goto done; } - pctx->p11_child_debug_fd = -1; if (pctx->cert_auth) { ret = p11_child_init(pctx); if (ret != EOK) { --- sssd-1.13.4/src/responder/pam/pamsrv.h +++ sssd-1.13.4/src/responder/pam/pamsrv.h @@ -24,6 +24,7 @@ #include <security/pam_appl.h> #include "util/util.h" +#include "util/child_common.h" #include "sbus/sssd_dbus.h" #include "responder/common/responder.h" @@ -45,7 +46,7 @@ struct pam_ctx { int public_domains_count; bool cert_auth; - int p11_child_debug_fd; + struct child_debug p11_child_debug; char *nss_db; }; --- sssd-1.13.4/src/responder/pam/pamsrv_cmd.c +++ sssd-1.13.4/src/responder/pam/pamsrv_cmd.c @@ -1072,7 +1072,7 @@ static errno_t check_cert(TALLOC_CTX *mc return ret; } - req = pam_check_cert_send(mctx, ev, pctx->p11_child_debug_fd, + req = pam_check_cert_send(mctx, ev, pctx->p11_child_debug.fd, pctx->nss_db, p11_child_timeout, cert_verification_opts, pd); if (req == NULL) { --- sssd-1.13.4/src/responder/pam/pamsrv_p11.c +++ sssd-1.13.4/src/responder/pam/pamsrv_p11.c @@ -37,7 +37,9 @@ errno_t p11_child_init(struct pam_ctx *pctx) { - return child_debug_init(P11_CHILD_LOG_FILE, &pctx->p11_child_debug_fd); + pctx->p11_child_debug.filename = P11_CHILD_LOG_FILE; + pctx->p11_child_debug.fd = -1; + return child_debug_init(&pctx->p11_child_debug); } bool may_do_cert_auth(struct pam_ctx *pctx, struct pam_data *pd) --- sssd-1.13.4/src/util/util.h +++ sssd-1.13.4/src/util/util.h @@ -120,6 +120,7 @@ int chown_debug_file(const char *filenam int open_debug_file_ex(const char *filename, FILE **filep, bool want_cloexec); int open_debug_file(void); int rotate_debug_files(void); +int rotate_debug_file(const char *filename, FILE **filep); void talloc_log_fn(const char *msg); /* From sss_log.c */ --- sssd-1.13.4/src/util/server.c +++ sssd-1.13.4/src/util/server.c @@ -30,6 +30,7 @@ #include <unistd.h> #include <ldb.h> #include "util/util.h" +#include "util/child_common.h" #include "confdb/confdb.h" #include "monitor/monitor_interfaces.h" @@ -383,6 +384,33 @@ static void te_server_hup(struct tevent_ } } +static int rotate_child_debug_files(void) +{ + struct child_debug *cd; + int ret; + int final_ret = EOK; + + DLIST_FOR_EACH(cd, child_debug_list) { + ret = rotate_debug_file(cd->filename, &cd->filep); + if (ret == EOK) { + cd->fd = fileno(cd->filep); + if (cd->fd != -1) continue; + + DEBUG(SSSDBG_FATAL_FAILURE, + "fileno failed [%d][%s]\n", errno, strerror(errno)); + ret = errno; + fclose(cd->filep); + cd->filep = NULL; + } + /* save the first error and try to rotate remaining files */ + if (final_ret == EOK) { + final_ret = ret; + } + } + + return final_ret; +} + errno_t server_common_rotate_logs(struct confdb_ctx *confdb, const char *conf_path) { @@ -395,6 +423,13 @@ errno_t server_common_rotate_logs(struct ret, strerror(ret)); return ret; } + + ret = rotate_child_debug_files(); + if (ret) { + sss_log(SSS_LOG_ALERT, "Could not rotate child debug files! [%d][%s]\n", + ret, strerror(ret)); + return ret; + } /* Get new debug level from the confdb */ ret = confdb_get_int(confdb, conf_path,
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