Fix more asprintf warnings and some error path errors.

Jeremy.
(cherry picked from commit 44ab658b6d80c66f20d80aede7fc7cd2b9a941b1)

7 files changed, 44 insertions, 30 deletions

diff --git a/source/libads/util.c b/source/libads/util.c
index d23c36f3269..1fc057996d9 100644
--- a/source/libads/util.c
+++ b/source/libads/util.c
@@ -71,7 +71,11 @@ ADS_STATUS ads_guess_service_principal(ADS_STRUCT *ads,
 
 		strlower_m(server);
 		strupper_m(server_realm);
-		asprintf(&princ, "ldap/%s@%s", server, server_realm);
+		if (asprintf(&princ, "ldap/%s@%s", server, server_realm) == -1) {
+			SAFE_FREE(server);
+			SAFE_FREE(server_realm);
+			return ADS_ERROR(LDAP_NO_MEMORY);
+		}
 
 		SAFE_FREE(server);
 		SAFE_FREE(server_realm);
@@ -93,7 +97,11 @@ ADS_STATUS ads_guess_service_principal(ADS_STRUCT *ads,
 
 		strlower_m(server);
 		strupper_m(server_realm);
-		asprintf(&princ, "ldap/%s@%s", server, server_realm);
+		if (asprintf(&princ, "ldap/%s@%s", server, server_realm) == -1) {
+			SAFE_FREE(server);
+			SAFE_FREE(server_realm);
+			return ADS_ERROR(LDAP_NO_MEMORY);
+		}
 
 		SAFE_FREE(server);
 		SAFE_FREE(server_realm);
diff --git a/source/locking/posix.c b/source/locking/posix.c
index 32e1ee9fbfd..496be89cd3b 100644
--- a/source/locking/posix.c
+++ b/source/locking/posix.c
@@ -909,13 +909,12 @@ new: start=%.0f,size=%.0f\n", (double)l_curr->start, (double)l_curr->size,
 				 */
 				char *msg = NULL;
 
-				/* Don't check if alloc succeeds here - we're
-				 * forcing a core dump anyway. */
-
-				asprintf(&msg, "logic flaw in cases: l_curr: start = %.0f, size = %.0f : \
-lock: start = %.0f, size = %.0f", (double)l_curr->start, (double)l_curr->size, (double)lock->start, (double)lock->size );
-
-				smb_panic(msg);
+				if (asprintf(&msg, "logic flaw in cases: l_curr: start = %.0f, size = %.0f : \
+lock: start = %.0f, size = %.0f", (double)l_curr->start, (double)l_curr->size, (double)lock->start, (double)lock->size ) != -1) {
+					smb_panic(msg);
+				} else {
+					smb_panic("posix_lock_list");
+				}
 			}
 		} /* end for ( l_curr = lhead; l_curr;) */
 	} /* end for (i=0; i<num_locks && ul_head; i++) */
diff --git a/source/printing/nt_printing.c b/source/printing/nt_printing.c
index 9c62cd54206..0d918363ed1 100644
--- a/source/printing/nt_printing.c
+++ b/source/printing/nt_printing.c
@@ -3163,7 +3163,9 @@ static bool map_nt_printer_info2_to_dsspooler(NT_PRINTER_INFO_LEVEL_2 *info2)
 
 	map_sz_into_ctr(ctr, SPOOL_REG_SERVERNAME, longname);
 
-	asprintf(&allocated_string, "\\\\%s\\%s", longname, info2->sharename);
+	if (asprintf(&allocated_string, "\\\\%s\\%s", longname, info2->sharename) == -1) {
+		return false;
+	}
 	map_sz_into_ctr(ctr, SPOOL_REG_UNCNAME, allocated_string);
 	SAFE_FREE(allocated_string);
 
@@ -3243,6 +3245,7 @@ static WERROR nt_printer_publish_ads(ADS_STRUCT *ads,
 	struct GUID guid;
 	WERROR win_rc = WERR_OK;
 	size_t converted_size;
+	int ret;
 
 	DEBUG(5, ("publishing printer %s\n", printer->info_2->printername));
 
@@ -3254,27 +3257,23 @@ static WERROR nt_printer_publish_ads(ADS_STRUCT *ads,
 
 	srv_dn_utf8 = ldap_get_dn((LDAP *)ads->ldap.ld, (LDAPMessage *)res);
 	if (!srv_dn_utf8) {
-		ads_destroy(&ads);
 		return WERR_SERVER_UNAVAILABLE;
 	}
 	ads_msgfree(ads, res);
 	srv_cn_utf8 = ldap_explode_dn(srv_dn_utf8, 1);
 	if (!srv_cn_utf8) {
 		ldap_memfree(srv_dn_utf8);
-		ads_destroy(&ads);
 		return WERR_SERVER_UNAVAILABLE;
 	}
 	/* Now convert to CH_UNIX. */
 	if (!pull_utf8_allocate(&srv_dn, srv_dn_utf8, &converted_size)) {
 		ldap_memfree(srv_dn_utf8);
 		ldap_memfree(srv_cn_utf8);
-		ads_destroy(&ads);
 		return WERR_SERVER_UNAVAILABLE;
 	}
 	if (!pull_utf8_allocate(&srv_cn_0, srv_cn_utf8[0], &converted_size)) {
 		ldap_memfree(srv_dn_utf8);
 		ldap_memfree(srv_cn_utf8);
-		ads_destroy(&ads);
 		SAFE_FREE(srv_dn);
 		return WERR_SERVER_UNAVAILABLE;
 	}
@@ -3285,27 +3284,28 @@ static WERROR nt_printer_publish_ads(ADS_STRUCT *ads,
 	srv_cn_escaped = escape_rdn_val_string_alloc(srv_cn_0);
 	if (!srv_cn_escaped) {
 		SAFE_FREE(srv_cn_0);
-		ldap_memfree(srv_dn_utf8);
-		ads_destroy(&ads);
+		SAFE_FREE(srv_dn);
 		return WERR_SERVER_UNAVAILABLE;
 	}
 	sharename_escaped = escape_rdn_val_string_alloc(printer->info_2->sharename);
 	if (!sharename_escaped) {
 		SAFE_FREE(srv_cn_escaped);
 		SAFE_FREE(srv_cn_0);
-		ldap_memfree(srv_dn_utf8);
-		ads_destroy(&ads);
+		SAFE_FREE(srv_dn);
 		return WERR_SERVER_UNAVAILABLE;
 	}
 
-
-	asprintf(&prt_dn, "cn=%s-%s,%s", srv_cn_escaped, sharename_escaped, srv_dn);
+	ret = asprintf(&prt_dn, "cn=%s-%s,%s", srv_cn_escaped, sharename_escaped, srv_dn);
 
 	SAFE_FREE(srv_dn);
 	SAFE_FREE(srv_cn_0);
 	SAFE_FREE(srv_cn_escaped);
 	SAFE_FREE(sharename_escaped);
 
+	if (ret == -1) {
+		return WERR_NOMEM;
+	}
+
 	/* build the ads mods */
 	ctx = talloc_init("nt_printer_publish_ads");
 	if (ctx == NULL) {
diff --git a/source/printing/print_generic.c b/source/printing/print_generic.c
index 2a324fdd5c3..db610742a02 100644
--- a/source/printing/print_generic.c
+++ b/source/printing/print_generic.c
@@ -205,7 +205,9 @@ static int generic_job_submit(int snum, struct printjob *pjob)
 
  out:
 
-	chdir(wd);
+	if (chdir(wd) == -1) {
+		smb_panic("chdir failed in generic_job_submit");
+	}
 	TALLOC_FREE(current_directory);
         return ret;
 }
diff --git a/source/rpc_server/srv_lsa_hnd.c b/source/rpc_server/srv_lsa_hnd.c
index 377ed505b4e..839833ce542 100644
--- a/source/rpc_server/srv_lsa_hnd.c
+++ b/source/rpc_server/srv_lsa_hnd.c
@@ -54,10 +54,13 @@ bool init_pipe_handle_list(pipes_struct *p, const char *pipe_name)
 				(is_samr_lsa_pipe(plist->name) && is_samr_lsa_pipe(pipe_name))) {
 			if (!plist->pipe_handles) {
 				char *msg;
-				asprintf(&msg, "init_pipe_handles: NULL "
-					 "pipe_handle pointer in pipe %s",
-					 pipe_name);
-				smb_panic(msg);
+				if (asprintf(&msg, "init_pipe_handles: NULL "
+						 "pipe_handle pointer in pipe %s",
+						 pipe_name) != -1) {
+					smb_panic(msg);
+				} else {
+					smb_panic("init_pipe_handle_list");
+				}
 			}
 			hl = plist->pipe_handles;
 			break;
diff --git a/source/smbd/fileio.c b/source/smbd/fileio.c
index 60aeeef1e24..e67f926a049 100644
--- a/source/smbd/fileio.c
+++ b/source/smbd/fileio.c
@@ -867,11 +867,14 @@ void set_filelen_write_cache(files_struct *fsp, SMB_OFF_T file_size)
 		/* The cache *must* have been flushed before we do this. */
 		if (fsp->wcp->data_size != 0) {
 			char *msg;
-			asprintf(&msg, "set_filelen_write_cache: size change "
+			if (asprintf(&msg, "set_filelen_write_cache: size change "
 				 "on file %s with write cache size = %lu\n",
 				 fsp->fsp_name,
-				 (unsigned long)fsp->wcp->data_size);
-			smb_panic(msg);
+				 (unsigned long)fsp->wcp->data_size) != -1) {
+				smb_panic(msg);
+			} else {
+				smb_panic("set_filelen_write_cache");
+			}
 		}
 		fsp->wcp->file_size = file_size;
 	}
diff --git a/source/smbd/seal.c b/source/smbd/seal.c
index e9dc46aa3cd..ea67a1fdff1 100644
--- a/source/smbd/seal.c
+++ b/source/smbd/seal.c
@@ -128,8 +128,7 @@ static NTSTATUS get_srv_gss_creds(const char *service,
 	gss_OID_desc nt_hostbased_service =
 	{10, CONST_DISCARD(char *,"\x2a\x86\x48\x86\xf7\x12\x01\x02\x01\x04")};
 
-	asprintf(&host_princ_s, "%s@%s", service, name);
-	if (host_princ_s == NULL) {
+	if (asprintf(&host_princ_s, "%s@%s", service, name) == -1) {
 		return NT_STATUS_NO_MEMORY;
 	}