The Samba-Bugzilla – Attachment 14214 Details for
Bug 13437
Fix building Samba with gcc 8.1
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[patch]
patch for 4.8
v4-8-test.patch1.txt (text/plain), 31.40 KB, created by
Andreas Schneider
on 2018-05-23 12:54:08 UTC
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Description:
patch for 4.8
Filename:
MIME Type:
Creator:
Andreas Schneider
Created:
2018-05-23 12:54:08 UTC
Size:
31.40 KB
patch
obsolete
>From f9bd74a712fdd4081a5bda34c2a0e754ac293d6a Mon Sep 17 00:00:00 2001 >From: =?UTF-8?q?G=C3=BCnther=20Deschner?= <gd@samba.org> >Date: Tue, 8 May 2018 11:18:56 +0200 >Subject: [PATCH 01/14] s3-winbindd: use fill_domain_username_talloc() in > winbind. > >BUG: https://bugzilla.samba.org/show_bug.cgi?id=13437 > >Guenther > >Signed-off-by: Guenther Deschner <gd@samba.org> >Reviewed-by: Andreas Schneider <asn@samba.org> >(cherry picked from commit 3c6481d75cea175d0a69988577163efb40e2316b) >--- > source3/winbindd/wb_getpwsid.c | 15 ++++++++++++--- > source3/winbindd/wb_query_user_list.c | 9 ++++++--- > source3/winbindd/winbindd_group.c | 12 ++++++++---- > source3/winbindd/winbindd_list_groups.c | 14 ++++++++++---- > source3/winbindd/winbindd_pam.c | 13 ++++++++++--- > 5 files changed, 46 insertions(+), 17 deletions(-) > >diff --git a/source3/winbindd/wb_getpwsid.c b/source3/winbindd/wb_getpwsid.c >index 01c2f9cebfb..a8f32f2fc94 100644 >--- a/source3/winbindd/wb_getpwsid.c >+++ b/source3/winbindd/wb_getpwsid.c >@@ -69,7 +69,8 @@ static void wb_getpwsid_queryuser_done(struct tevent_req *subreq) > req, struct wb_getpwsid_state); > struct winbindd_pw *pw = state->pw; > struct wbint_userinfo *info; >- fstring acct_name, output_username; >+ fstring acct_name; >+ const char *output_username; > char *mapped_name = NULL; > char *tmp; > NTSTATUS status; >@@ -101,16 +102,24 @@ static void wb_getpwsid_queryuser_done(struct tevent_req *subreq) > acct_name, > &mapped_name); > if (NT_STATUS_IS_OK(status)) { >- fill_domain_username(output_username, >+ output_username = fill_domain_username_talloc(state, > info->domain_name, > mapped_name, true); >+ if (output_username == NULL) { >+ tevent_req_nterror(req, NT_STATUS_NO_MEMORY); >+ return; >+ } > fstrcpy(acct_name, mapped_name); > } else if (NT_STATUS_EQUAL(status, NT_STATUS_FILE_RENAMED)) { > fstrcpy(acct_name, mapped_name); > } else { >- fill_domain_username(output_username, >+ output_username = fill_domain_username_talloc(state, > info->domain_name, > acct_name, true); >+ if (output_username == NULL) { >+ tevent_req_nterror(req, NT_STATUS_NO_MEMORY); >+ return; >+ } > } > > strlcpy(pw->pw_name, output_username, sizeof(pw->pw_name)); >diff --git a/source3/winbindd/wb_query_user_list.c b/source3/winbindd/wb_query_user_list.c >index 3c18080e847..6d699875e9b 100644 >--- a/source3/winbindd/wb_query_user_list.c >+++ b/source3/winbindd/wb_query_user_list.c >@@ -104,11 +104,14 @@ static void wb_query_user_list_done(struct tevent_req *subreq) > > for (i=0; i<state->names.num_principals; i++) { > struct wbint_Principal *p = &state->names.principals[i]; >- fstring name; >+ const char *name; > int ret; > >- fill_domain_username(name, state->domain_name, p->name, true); >- >+ name = fill_domain_username_talloc(state, state->domain_name, p->name, true); >+ if (name == NULL) { >+ tevent_req_nterror(req, NT_STATUS_NO_MEMORY); >+ return; >+ } > ret = strv_add(state, &state->users, name); > if (ret != 0) { > tevent_req_nterror(req, map_nt_error_from_unix(ret)); >diff --git a/source3/winbindd/winbindd_group.c b/source3/winbindd/winbindd_group.c >index 417565ecbf0..76ba14afb3b 100644 >--- a/source3/winbindd/winbindd_group.c >+++ b/source3/winbindd/winbindd_group.c >@@ -34,7 +34,7 @@ > bool fill_grent(TALLOC_CTX *mem_ctx, struct winbindd_gr *gr, > const char *dom_name, const char *gr_name, gid_t unix_gid) > { >- fstring full_group_name; >+ const char *full_group_name; > char *mapped_name = NULL; > NTSTATUS nt_status = NT_STATUS_UNSUCCESSFUL; > >@@ -43,19 +43,23 @@ bool fill_grent(TALLOC_CTX *mem_ctx, struct winbindd_gr *gr, > > /* Basic whitespace replacement */ > if (NT_STATUS_IS_OK(nt_status)) { >- fill_domain_username(full_group_name, dom_name, >+ full_group_name = fill_domain_username_talloc(mem_ctx, dom_name, > mapped_name, true); > } > /* Mapped to an aliase */ > else if (NT_STATUS_EQUAL(nt_status, NT_STATUS_FILE_RENAMED)) { >- fstrcpy(full_group_name, mapped_name); >+ full_group_name = mapped_name; > } > /* no change */ > else { >- fill_domain_username( full_group_name, dom_name, >+ full_group_name = fill_domain_username_talloc(mem_ctx, dom_name, > gr_name, True ); > } > >+ if (full_group_name == NULL) { >+ return false; >+ } >+ > gr->gr_gid = unix_gid; > > /* Group name and password */ >diff --git a/source3/winbindd/winbindd_list_groups.c b/source3/winbindd/winbindd_list_groups.c >index 3b5c9dd60e7..03caef3ba96 100644 >--- a/source3/winbindd/winbindd_list_groups.c >+++ b/source3/winbindd/winbindd_list_groups.c >@@ -166,10 +166,13 @@ NTSTATUS winbindd_list_groups_recv(struct tevent_req *req, > struct winbindd_list_groups_domstate *d = &state->domains[i]; > > for (j=0; j<d->groups.num_principals; j++) { >- fstring name; >- fill_domain_username(name, d->domain->name, >+ const char *name; >+ name = fill_domain_username_talloc(response, d->domain->name, > d->groups.principals[j].name, > True); >+ if (name == NULL) { >+ return NT_STATUS_NO_MEMORY; >+ } > len += strlen(name)+1; > } > response->data.num_entries += d->groups.num_principals; >@@ -185,11 +188,14 @@ NTSTATUS winbindd_list_groups_recv(struct tevent_req *req, > struct winbindd_list_groups_domstate *d = &state->domains[i]; > > for (j=0; j<d->groups.num_principals; j++) { >- fstring name; >+ const char *name; > size_t this_len; >- fill_domain_username(name, d->domain->name, >+ name = fill_domain_username_talloc(response, d->domain->name, > d->groups.principals[j].name, > True); >+ if (name == NULL) { >+ return NT_STATUS_NO_MEMORY; >+ } > this_len = strlen(name); > memcpy(result+len, name, this_len); > len += this_len; >diff --git a/source3/winbindd/winbindd_pam.c b/source3/winbindd/winbindd_pam.c >index 8403d7d57b6..bb4469d01e4 100644 >--- a/source3/winbindd/winbindd_pam.c >+++ b/source3/winbindd/winbindd_pam.c >@@ -193,7 +193,7 @@ static NTSTATUS append_unix_username(TALLOC_CTX *mem_ctx, > /* We've been asked to return the unix username, per > 'winbind use default domain' settings and the like */ > >- const char *nt_username, *nt_domain; >+ const char *nt_username, *nt_domain, *unix_username; > > nt_domain = talloc_strdup(mem_ctx, info3->base.logon_domain.string); > if (!nt_domain) { >@@ -209,8 +209,15 @@ static NTSTATUS append_unix_username(TALLOC_CTX *mem_ctx, > nt_username = name_user; > } > >- fill_domain_username(resp->data.auth.unix_username, >- nt_domain, nt_username, true); >+ unix_username = fill_domain_username_talloc(mem_ctx, >+ nt_domain, >+ nt_username, >+ true); >+ if (unix_username == NULL) { >+ return NT_STATUS_NO_MEMORY; >+ } >+ >+ fstrcpy(resp->data.auth.unix_username, unix_username); > > DEBUG(5, ("Setting unix username to [%s]\n", > resp->data.auth.unix_username)); >-- >2.16.3 > > >From a4002858e9a795843ad1b82c1530056fd1f08b97 Mon Sep 17 00:00:00 2001 >From: =?UTF-8?q?G=C3=BCnther=20Deschner?= <gd@samba.org> >Date: Tue, 8 May 2018 11:19:42 +0200 >Subject: [PATCH 02/14] s3-winbindd: remove unused fill_domain_username() > >BUG: https://bugzilla.samba.org/show_bug.cgi?id=13437 > >Guenther > >Signed-off-by: Guenther Deschner <gd@samba.org> >Reviewed-by: Andreas Schneider <asn@samba.org> >(cherry picked from commit b24d4eb7afad82afc3a9bab65e1d799edc4b5172) >--- > source3/winbindd/winbindd_proto.h | 1 - > source3/winbindd/winbindd_util.c | 20 -------------------- > 2 files changed, 21 deletions(-) > >diff --git a/source3/winbindd/winbindd_proto.h b/source3/winbindd/winbindd_proto.h >index 302ed1c0a23..623e2b0bf2a 100644 >--- a/source3/winbindd/winbindd_proto.h >+++ b/source3/winbindd/winbindd_proto.h >@@ -480,7 +480,6 @@ bool parse_domain_user(const char *domuser, fstring domain, fstring user); > bool parse_domain_user_talloc(TALLOC_CTX *mem_ctx, const char *domuser, > char **domain, char **user); > bool canonicalize_username(fstring username_inout, fstring domain, fstring user); >-void fill_domain_username(fstring name, const char *domain, const char *user, bool can_assume); > char *fill_domain_username_talloc(TALLOC_CTX *ctx, > const char *domain, > const char *user, >diff --git a/source3/winbindd/winbindd_util.c b/source3/winbindd/winbindd_util.c >index b19c42f626b..73b20929759 100644 >--- a/source3/winbindd/winbindd_util.c >+++ b/source3/winbindd/winbindd_util.c >@@ -1647,26 +1647,6 @@ bool canonicalize_username(fstring username_inout, fstring domain, fstring user) > > We always canonicalize as UPPERCASE DOMAIN, lowercase username. > */ >-void fill_domain_username(fstring name, const char *domain, const char *user, bool can_assume) >-{ >- fstring tmp_user; >- >- if (lp_server_role() == ROLE_ACTIVE_DIRECTORY_DC) { >- can_assume = false; >- } >- >- fstrcpy(tmp_user, user); >- (void)strlower_m(tmp_user); >- >- if (can_assume && assume_domain(domain)) { >- strlcpy(name, tmp_user, sizeof(fstring)); >- } else { >- slprintf(name, sizeof(fstring) - 1, "%s%c%s", >- domain, *lp_winbind_separator(), >- tmp_user); >- } >-} >- > /** > * talloc version of fill_domain_username() > * return NULL on talloc failure. >-- >2.16.3 > > >From c86ae392ea47b88dabd442ed652f0106a006d73d Mon Sep 17 00:00:00 2001 >From: =?UTF-8?q?G=C3=BCnther=20Deschner?= <gd@samba.org> >Date: Tue, 8 May 2018 13:46:11 +0200 >Subject: [PATCH 03/14] s3-printing: fix format-truncation in > print_queue_update() >MIME-Version: 1.0 >Content-Type: text/plain; charset=UTF-8 >Content-Transfer-Encoding: 8bit > >../source3/printing/printing.c: In function âprint_queue_updateâ: >../source3/printing/printing.c:1809:42: error: â%sâ directive output may be truncated writing up to 255 bytes into a region of size 244 [-Werror=format-truncation=] > snprintf(key, sizeof(key), "MSG_PENDING/%s", sharename); > ^~ ~~~~~~~~~ >../source3/printing/printing.c:1809:2: note: âsnprintfâ output between 13 and 268 bytes into a destination of size 256 > snprintf(key, sizeof(key), "MSG_PENDING/%s", sharename); > >BUG: https://bugzilla.samba.org/show_bug.cgi?id=13437 > >Guenther > >Signed-off-by: Guenther Deschner <gd@samba.org> >Reviewed-by: Andreas Schneider <asn@samba.org> >(cherry picked from commit 6326b3415f3e225aafd5912d0965c80abcd7b22c) >--- > source3/printing/printing.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > >diff --git a/source3/printing/printing.c b/source3/printing/printing.c >index e4bb1d84f69..38d718045a1 100644 >--- a/source3/printing/printing.c >+++ b/source3/printing/printing.c >@@ -1693,7 +1693,7 @@ extern pid_t background_lpq_updater_pid; > static void print_queue_update(struct messaging_context *msg_ctx, > int snum, bool force) > { >- fstring key; >+ char key[268]; > fstring sharename; > char *lpqcommand = NULL; > char *lprmcommand = NULL; >-- >2.16.3 > > >From b9403e39ed28807addc32d5e7e151afe620127f2 Mon Sep 17 00:00:00 2001 >From: =?UTF-8?q?G=C3=BCnther=20Deschner?= <gd@samba.org> >Date: Tue, 8 May 2018 13:54:53 +0200 >Subject: [PATCH 04/14] s4-torture: fix format-truncation warning in smb2 > session tests. >MIME-Version: 1.0 >Content-Type: text/plain; charset=UTF-8 >Content-Transfer-Encoding: 8bit > >../source4/torture/smb2/session.c: In function âtest_session_reauth5â: >../source4/torture/smb2/session.c:645:36: error: â\file.datâ directive output may be truncated writing 9 bytes into a region of size between 1 and 256 [-Werror=format-truncation=] > snprintf(fname, sizeof(fname), "%s\\file.dat", dname); > ^~~~~~~~~~ >../source4/torture/smb2/session.c:645:2: note: âsnprintfâ output between 10 and 265 bytes into a destination of size 256 > snprintf(fname, sizeof(fname), "%s\\file.dat", dname); > ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >../source4/torture/smb2/session.c:696:38: error: â\file2.datâ directive output may be truncated writing 10 bytes into a region of size between 1 and 256 [-Werror=format-truncation=] > snprintf(fname2, sizeof(fname2), "%s\\file2.dat", dname); > ^~~~~~~~~~~ >../source4/torture/smb2/session.c:696:2: note: âsnprintfâ output between 11 and 266 bytes into a destination of size 256 > snprintf(fname2, sizeof(fname2), "%s\\file2.dat", dname); > ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >cc1: some warnings being treated as errors > >BUG: https://bugzilla.samba.org/show_bug.cgi?id=13437 > >Guenther > >Signed-off-by: Guenther Deschner <gd@samba.org> >Reviewed-by: Andreas Schneider <asn@samba.org> >(cherry picked from commit 5729898248041794ffdd0b769332e015baf12cce) >--- > source4/torture/smb2/session.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > >diff --git a/source4/torture/smb2/session.c b/source4/torture/smb2/session.c >index 15a11e235d6..f3fa596e464 100644 >--- a/source4/torture/smb2/session.c >+++ b/source4/torture/smb2/session.c >@@ -616,7 +616,7 @@ bool test_session_reauth5(struct torture_context *tctx, struct smb2_tree *tree) > { > NTSTATUS status; > TALLOC_CTX *mem_ctx = talloc_new(tctx); >- char dname[256]; >+ char dname[128]; > char fname[256]; > char fname2[256]; > struct smb2_handle _dh1; >-- >2.16.3 > > >From 136ab414753f511437ec2476bca5e54615b0b8d3 Mon Sep 17 00:00:00 2001 >From: =?UTF-8?q?G=C3=BCnther=20Deschner?= <gd@samba.org> >Date: Tue, 8 May 2018 14:13:56 +0200 >Subject: [PATCH 05/14] s3-utils: fix format-truncation in smbpasswd >MIME-Version: 1.0 >Content-Type: text/plain; charset=UTF-8 >Content-Transfer-Encoding: 8bit > >../source3/utils/smbpasswd.c: In function âprocess_rootâ: >../source3/utils/smbpasswd.c:414:37: error: â$â directive output may be truncated writing 1 byte into a region of size between 0 and 255 [-Werror=format-truncation=] > slprintf(buf, sizeof(buf) - 1, "%s$", user_name); > ^ >In file included from ../source3/include/includes.h:23, > from ../source3/utils/smbpasswd.c:19: >../lib/replace/../replace/replace.h:514:18: note: âsnprintfâ output between 2 and 257 bytes into a destination of size 255 > #define slprintf snprintf >../source3/utils/smbpasswd.c:414:3: note: in expansion of macro âslprintfâ > slprintf(buf, sizeof(buf) - 1, "%s$", user_name); > ^~~~~~~~ >../source3/utils/smbpasswd.c:397:35: error: â$â directive output may be truncated writing 1 byte into a region of size between 0 and 255 [-Werror=format-truncation=] > slprintf(buf, sizeof(buf)-1, "%s$", user_name); > ^ >In file included from ../source3/include/includes.h:23, > from ../source3/utils/smbpasswd.c:19: >../lib/replace/../replace/replace.h:514:18: note: âsnprintfâ output between 2 and 257 bytes into a destination of size 255 > #define slprintf snprintf >../source3/utils/smbpasswd.c:397:3: note: in expansion of macro âslprintfâ > slprintf(buf, sizeof(buf)-1, "%s$", user_name); > ^~~~~~~~ >cc1: some warnings being treated as errors > >BUG: https://bugzilla.samba.org/show_bug.cgi?id=13437 > >Pair-Programmed-With: Andreas Schneider <asn@samba.org> > >Signed-off-by: Guenther Deschner <gd@samba.org> >Signed-off-by: Andreas Schneider <asn@samba.org> >(cherry picked from commit 9b6dc8f504c406ed8a044e5becca7e8f01da6c84) >--- > source3/utils/smbpasswd.c | 49 +++++++++++++++++++++++++---------------------- > 1 file changed, 26 insertions(+), 23 deletions(-) > >diff --git a/source3/utils/smbpasswd.c b/source3/utils/smbpasswd.c >index 3136de6a23d..04f34aa9b69 100644 >--- a/source3/utils/smbpasswd.c >+++ b/source3/utils/smbpasswd.c >@@ -368,36 +368,44 @@ static int process_root(int local_flags) > > if (local_flags & LOCAL_TRUST_ACCOUNT) { > /* add the $ automatically */ >- static fstring buf; >+ size_t user_name_len = strlen(user_name); > >- /* >- * Remove any trailing '$' before we >- * generate the initial machine password. >- */ >- >- if (user_name[strlen(user_name)-1] == '$') { >- user_name[strlen(user_name)-1] = 0; >+ if (user_name[user_name_len - 1] == '$') { >+ user_name_len--; >+ } else { >+ if (user_name_len + 2 > sizeof(user_name)) { >+ fprintf(stderr, "machine name too long\n"); >+ exit(1); >+ } >+ user_name[user_name_len] = '$'; >+ user_name[user_name_len + 1] = '\0'; > } > > if (local_flags & LOCAL_ADD_USER) { > SAFE_FREE(new_passwd); >- new_passwd = smb_xstrdup(user_name); >+ >+ /* >+ * Remove any trailing '$' before we >+ * generate the initial machine password. >+ */ >+ new_passwd = smb_xstrndup(user_name, user_name_len); > if (!strlower_m(new_passwd)) { > fprintf(stderr, "strlower_m %s failed\n", > new_passwd); > exit(1); > } > } >- >- /* >- * Now ensure the username ends in '$' for >- * the machine add. >- */ >- >- slprintf(buf, sizeof(buf)-1, "%s$", user_name); >- strlcpy(user_name, buf, sizeof(user_name)); > } else if (local_flags & LOCAL_INTERDOM_ACCOUNT) { >- static fstring buf; >+ size_t user_name_len = strlen(user_name); >+ >+ if (user_name[user_name_len - 1] != '$') { >+ if (user_name_len + 2 > sizeof(user_name)) { >+ fprintf(stderr, "machine name too long\n"); >+ exit(1); >+ } >+ user_name[user_name_len] = '$'; >+ user_name[user_name_len + 1] = '\0'; >+ } > > if ((local_flags & LOCAL_ADD_USER) && (new_passwd == NULL)) { > /* >@@ -409,11 +417,6 @@ static int process_root(int local_flags) > exit(1); > } > } >- >- /* prepare uppercased and '$' terminated username */ >- slprintf(buf, sizeof(buf) - 1, "%s$", user_name); >- strlcpy(user_name, buf, sizeof(user_name)); >- > } else { > > if (remote_machine != NULL) { >-- >2.16.3 > > >From 1a6a180a80987585d3f54d46ddc82da48e4229f0 Mon Sep 17 00:00:00 2001 >From: Andreas Schneider <asn@samba.org> >Date: Tue, 8 May 2018 09:22:00 +0200 >Subject: [PATCH 06/14] lib:util: Fix string check in mkdir_p() > >BUG: https://bugzilla.samba.org/show_bug.cgi?id=13437 > >Signed-off-by: Andreas Schneider <asn@samba.org> >Reviewed-by: Guenther Deschner <gd@samba.org> >(cherry picked from commit 7cec343a89a0862c09f5ddd4707eb442157a4af2) >--- > lib/util/mkdir_p.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > >diff --git a/lib/util/mkdir_p.c b/lib/util/mkdir_p.c >index 290a1f39520..87a3f797618 100644 >--- a/lib/util/mkdir_p.c >+++ b/lib/util/mkdir_p.c >@@ -49,11 +49,11 @@ int mkdir_p(const char *dir, int mode) > > /* Create ancestors */ > len = strlen(dir); >- if (len >= PATH_MAX) { >+ ret = snprintf(t, sizeof(t), "%s", dir); >+ if (ret != len) { > errno = ENAMETOOLONG; > return -1; > } >- strncpy(t, dir, len+1); > > ret = mkdir_p(dirname(t), mode); > if (ret != 0) { >-- >2.16.3 > > >From 1975f09446b0db8f76b6594b53dbc404033b558a Mon Sep 17 00:00:00 2001 >From: Andreas Schneider <asn@samba.org> >Date: Wed, 9 May 2018 17:35:45 +0200 >Subject: [PATCH 07/14] s4:torture: Use strlcpy() in gen_name() >MIME-Version: 1.0 >Content-Type: text/plain; charset=UTF-8 >Content-Transfer-Encoding: 8bit > >../source4/torture/basic/mangle_test.c: In function âgen_nameâ: >../source4/torture/basic/mangle_test.c:148:3: error: âstrncpyâ output > truncated before terminating nul copying 5 bytes from a string of the > same length [-Werror=stringop-truncation] > strncpy(p, "ABCDE", 5); > ^~~~~~~~~~~~~~~~~~~~~~ > >BUG: https://bugzilla.samba.org/show_bug.cgi?id=13437 > >Signed-off-by: Andreas Schneider <asn@samba.org> >Reviewed-by: Guenther Deschner <gd@samba.org> >(cherry picked from commit 7a00d90d668f53914ffe035c41a5e79e60b51521) >--- > source4/torture/basic/mangle_test.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > >diff --git a/source4/torture/basic/mangle_test.c b/source4/torture/basic/mangle_test.c >index 0b7d696e677..df12b3ce821 100644 >--- a/source4/torture/basic/mangle_test.c >+++ b/source4/torture/basic/mangle_test.c >@@ -145,7 +145,7 @@ static char *gen_name(TALLOC_CTX *mem_ctx) > > /* and a medium probability of a common lead string */ > if ((len > 5) && (random() % 10 == 0)) { >- strncpy(p, "ABCDE", 5); >+ strlcpy(p, "ABCDE", 6); > } > > /* and a high probability of a good extension length */ >-- >2.16.3 > > >From 64bcde78e5abe4e5dd2613bd0371c4598c120ff8 Mon Sep 17 00:00:00 2001 >From: Andreas Schneider <asn@samba.org> >Date: Wed, 9 May 2018 17:29:39 +0200 >Subject: [PATCH 08/14] s3:lib: Use memcpy() in escape_ldap_string() >MIME-Version: 1.0 >Content-Type: text/plain; charset=UTF-8 >Content-Transfer-Encoding: 8bit > >../source3/lib/ldap_escape.c: In function âescape_ldap_stringâ: >../source3/lib/ldap_escape.c:79:4: error: âstrncpyâ output truncated > before terminating nul copying 3 bytes from a string of the same length >[-Werror=stringop-truncation] > strncpy (p, sub, 3); > ^~~~~~~~~~~~~~~~~~~ > >We concatenat and do not care about NUL-termination till the loop has >finished. > >BUG: https://bugzilla.samba.org/show_bug.cgi?id=13437 > >Signed-off-by: Andreas Schneider <asn@samba.org> >Reviewed-by: Guenther Deschner <gd@samba.org> >(cherry picked from commit ff7568daaeb19ff30f47f7f600ead247eaf4e826) >--- > source3/lib/ldap_escape.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > >diff --git a/source3/lib/ldap_escape.c b/source3/lib/ldap_escape.c >index fa75dabcae6..0d2b8f5fe01 100644 >--- a/source3/lib/ldap_escape.c >+++ b/source3/lib/ldap_escape.c >@@ -76,7 +76,7 @@ char *escape_ldap_string(TALLOC_CTX *mem_ctx, const char *s) > output = tmp; > > p = &output[i]; >- strncpy (p, sub, 3); >+ memcpy(p, sub, 3); > p += 3; > i += 3; > >-- >2.16.3 > > >From 4ccfdf3ed0c9464dde69a1faf798ef15d6ca6290 Mon Sep 17 00:00:00 2001 >From: Andreas Schneider <asn@samba.org> >Date: Wed, 9 May 2018 18:05:01 +0200 >Subject: [PATCH 09/14] s3:passdb: Fix size of ascii_p16 >MIME-Version: 1.0 >Content-Type: text/plain; charset=UTF-8 >Content-Transfer-Encoding: 8bit > >../source3/passdb/pdb_smbpasswd.c: In function âmod_smbfilepwd_entryâ: >../source3/passdb/pdb_smbpasswd.c:1015:7: error: â:LCT-â directive > output may be truncated writing 5 bytes into a region of size between 0 > and 255 [-Werror=format-truncat ion=] > "%s:LCT-%08X:", > ^~~~~ >../source3/passdb/pdb_smbpasswd.c:1015:4: note: using the range [0, > 4294967295] for directive argument > "%s:LCT-%08X:", > ^~~~~~~~~~~~~~ >In file included from ../source3/include/includes.h:23, > from ../source3/passdb/pdb_smbpasswd.c:23: >../lib/replace/../replace/replace.h:514:18: note: âsnprintfâ output > between 15 and 270 bytes into a destination of size 255 > #define slprintf snprintf >../source3/passdb/pdb_smbpasswd.c:1013:3: note: in expansion of macro âslprintfâ > slprintf(&ascii_p16[strlen(ascii_p16)], > ^~~~~~~~ > >BUG: https://bugzilla.samba.org/show_bug.cgi?id=13437 > >Signed-off-by: Andreas Schneider <asn@samba.org> >Reviewed-by: Guenther Deschner <gd@samba.org> >(cherry picked from commit 728297ca889b39ce2006778bf6a5bf1c3ce82d6d) >--- > source3/passdb/pdb_smbpasswd.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > >diff --git a/source3/passdb/pdb_smbpasswd.c b/source3/passdb/pdb_smbpasswd.c >index 9c381471dda..ec184caf3db 100644 >--- a/source3/passdb/pdb_smbpasswd.c >+++ b/source3/passdb/pdb_smbpasswd.c >@@ -741,7 +741,7 @@ static bool mod_smbfilepwd_entry(struct smbpasswd_privates *smbpasswd_state, con > char linebuf[LINEBUF_SIZE + 1]; > char readbuf[1024]; > int c; >- fstring ascii_p16; >+ char ascii_p16[FSTRING_LEN + 20]; > fstring encode_bits; > unsigned char *p = NULL; > size_t linebuf_len = 0; >-- >2.16.3 > > >From ec15f266461234c499989fe2c7403d94af22071c Mon Sep 17 00:00:00 2001 >From: Andreas Schneider <asn@samba.org> >Date: Wed, 9 May 2018 18:07:47 +0200 >Subject: [PATCH 10/14] s3:winbind: Fix uninitialzed variable warning > >Raised by GCC8. > >BUG: https://bugzilla.samba.org/show_bug.cgi?id=13437 > >Signed-off-by: Andreas Schneider <asn@samba.org> >Reviewed-by: Guenther Deschner <gd@samba.org> >(cherry picked from commit 6b728b87bf5726f14100d76956c3df3fd9bb1058) >--- > source3/winbindd/wb_getpwsid.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > >diff --git a/source3/winbindd/wb_getpwsid.c b/source3/winbindd/wb_getpwsid.c >index a8f32f2fc94..8e114abf965 100644 >--- a/source3/winbindd/wb_getpwsid.c >+++ b/source3/winbindd/wb_getpwsid.c >@@ -70,7 +70,7 @@ static void wb_getpwsid_queryuser_done(struct tevent_req *subreq) > struct winbindd_pw *pw = state->pw; > struct wbint_userinfo *info; > fstring acct_name; >- const char *output_username; >+ const char *output_username = NULL; > char *mapped_name = NULL; > char *tmp; > NTSTATUS status; >-- >2.16.3 > > >From c679b4c224c4c39d032b2085450c44a864fdd67a Mon Sep 17 00:00:00 2001 >From: Andreas Schneider <asn@samba.org> >Date: Wed, 9 May 2018 17:52:19 +0200 >Subject: [PATCH 11/14] lib:util: Fix parameter aliasing in tfork test > >../lib/util/tests/tfork.c:483:24: error: passing argument 1 to > restrict-qualified parameter aliases with argument 4 [-Werror=restrict] > ret = pthread_create(&threads[i], > ^~~~~~~~~~~ >../lib/util/tests/tfork.c:486:10: > (void *)&threads[i]); > ~~~~~~~~~~~~~~~~~~~ > >BUG: https://bugzilla.samba.org/show_bug.cgi?id=13437 > >Signed-off-by: Andreas Schneider <asn@samba.org> >Reviewed-by: Guenther Deschner <gd@samba.org> >(cherry picked from commit 6f06a0154f5769cb85f6e189eecd78cd7805090a) >--- > lib/util/tests/tfork.c | 7 ++----- > 1 file changed, 2 insertions(+), 5 deletions(-) > >diff --git a/lib/util/tests/tfork.c b/lib/util/tests/tfork.c >index 9bcdc2f3d6d..3c73355b3f0 100644 >--- a/lib/util/tests/tfork.c >+++ b/lib/util/tests/tfork.c >@@ -417,8 +417,7 @@ static void *tfork_thread(void *p) > struct tfork *t = NULL; > int status; > pid_t child; >- pthread_t *ptid = (pthread_t *)p; >- uint64_t tid; >+ uint64_t tid = (uint64_t)pthread_self(); > uint64_t *result = NULL; > int up[2]; > ssize_t nread; >@@ -429,8 +428,6 @@ static void *tfork_thread(void *p) > pthread_exit(NULL); > } > >- tid = (uint64_t)*ptid; >- > t = tfork_create(); > if (t == NULL) { > pthread_exit(NULL); >@@ -480,7 +477,7 @@ static bool test_tfork_threads(struct torture_context *tctx) > #endif > > for (i = 0; i < num_threads; i++) { >- ret = pthread_create(&threads[i], NULL, tfork_thread, &threads[i]); >+ ret = pthread_create(&threads[i], NULL, tfork_thread, NULL); > torture_assert_goto(tctx, ret == 0, ok, done, > "pthread_create failed\n"); > } >-- >2.16.3 > > >From 75dca2a0bd18cc7c43519031149f0abff26e06a6 Mon Sep 17 00:00:00 2001 >From: Andreas Schneider <asn@samba.org> >Date: Tue, 8 May 2018 09:31:51 +0200 >Subject: [PATCH 12/14] lib:util: Fix size types in debug.c > >BUG: https://bugzilla.samba.org/show_bug.cgi?id=13437 > >Signed-off-by: Andreas Schneider <asn@samba.org> >Reviewed-by: Guenther Deschner <gd@samba.org> >(cherry picked from commit fb6cd9c44ac6fcc9f6abe3b63fc742aeac42969a) >--- > lib/util/debug.c | 14 +++++++------- > 1 file changed, 7 insertions(+), 7 deletions(-) > >diff --git a/lib/util/debug.c b/lib/util/debug.c >index d010b724203..b58303e8c82 100644 >--- a/lib/util/debug.c >+++ b/lib/util/debug.c >@@ -480,8 +480,8 @@ static void debug_set_backends(const char *param) > static void debug_backends_log(const char *msg, int msg_level) > { > char msg_no_nl[FORMAT_BUFR_SIZE]; >- unsigned i; >- int len; >+ size_t i; >+ size_t len; > > /* > * Some backends already add an extra newline, so also provide >@@ -551,7 +551,7 @@ static const char *default_classname_table[] = { > */ > static const int debug_class_list_initial[ARRAY_SIZE(default_classname_table)]; > >-static int debug_num_classes = 0; >+static size_t debug_num_classes = 0; > int *DEBUGLEVEL_CLASS = discard_const_p(int, debug_class_list_initial); > > >@@ -630,7 +630,7 @@ utility lists registered debug class names's > char *debug_list_class_names_and_levels(void) > { > char *buf = NULL; >- int i; >+ size_t i; > /* prepare strings */ > for (i = 0; i < debug_num_classes; i++) { > buf = talloc_asprintf_append(buf, >@@ -651,7 +651,7 @@ char *debug_list_class_names_and_levels(void) > > static int debug_lookup_classname_int(const char* classname) > { >- int i; >+ size_t i; > > if (!classname) return -1; > >@@ -741,7 +741,7 @@ static int debug_lookup_classname(const char *classname) > > static void debug_dump_status(int level) > { >- int q; >+ size_t q; > > DEBUG(level, ("INFO: Current debug levels:\n")); > for (q = 0; q < debug_num_classes; q++) { >@@ -790,7 +790,7 @@ bool debug_parse_levels(const char *params_str) > size_t str_len = strlen(params_str); > char str[str_len+1]; > char *tok, *saveptr; >- int i; >+ size_t i; > > /* Just in case */ > debug_init(); >-- >2.16.3 > > >From 9ae4ef1590f6899cb32adebea678541402d01a71 Mon Sep 17 00:00:00 2001 >From: Andreas Schneider <asn@samba.org> >Date: Tue, 15 May 2018 17:55:22 +0200 >Subject: [PATCH 13/14] s4:ntvfs: Fix string copy of share_name >MIME-Version: 1.0 >Content-Type: text/plain; charset=UTF-8 >Content-Transfer-Encoding: 8bit > >../source4/ntvfs/ipc/rap_server.c:70:3: error: âstrncpyâ specified bound 13 equals destination size [-Werror=stringop-truncation] > strncpy((char *)r->out.info[j].info1.share_name, > ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > snames[i], > ~~~~~~~~~~ > sizeof(r->out.info[0].info1.share_name)); > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > >Signed-off-by: Andreas Schneider <asn@samba.org> >Reviewed-by: Guenther Deschner <gd@samba.org> >(cherry picked from commit 609ef35c12900bbd5ecaa557f7b5d71b5784a103) >--- > source4/ntvfs/ipc/rap_server.c | 9 +++++++-- > 1 file changed, 7 insertions(+), 2 deletions(-) > >diff --git a/source4/ntvfs/ipc/rap_server.c b/source4/ntvfs/ipc/rap_server.c >index 3a133f568da..fc2d3aa611d 100644 >--- a/source4/ntvfs/ipc/rap_server.c >+++ b/source4/ntvfs/ipc/rap_server.c >@@ -63,13 +63,18 @@ NTSTATUS rap_netshareenum(TALLOC_CTX *mem_ctx, > union rap_share_info, r->out.available); > > for (i = 0, j = 0; i < r->out.available; i++) { >+ size_t sname_len; >+ > if (!NT_STATUS_IS_OK(share_get_config(mem_ctx, sctx, snames[i], &scfg))) { > DEBUG(3, ("WARNING: Service [%s] disappeared after enumeration!\n", snames[i])); > continue; > } >- strncpy((char *)r->out.info[j].info1.share_name, >+ /* Make sure we have NUL-termination */ >+ sname_len = MIN(strlen(snames[i]), >+ sizeof(r->out.info[j].info1.share_name)); >+ strlcpy((char *)r->out.info[j].info1.share_name, > snames[i], >- sizeof(r->out.info[0].info1.share_name)); >+ sname_len); > r->out.info[i].info1.reserved1 = 0; > r->out.info[i].info1.share_type = dcesrv_common_get_share_type(mem_ctx, NULL, scfg); > r->out.info[i].info1.comment = share_string_option(mem_ctx, scfg, SHARE_COMMENT, ""); >-- >2.16.3 > > >From 36ef5456eeb10fc337810689e18ace83fe9e4941 Mon Sep 17 00:00:00 2001 >From: Andreas Schneider <asn@samba.org> >Date: Wed, 16 May 2018 13:59:55 +0200 >Subject: [PATCH 14/14] lib: Fix array size in audit_logging >MIME-Version: 1.0 >Content-Type: text/plain; charset=UTF-8 >Content-Transfer-Encoding: 8bit > >../lib/audit_logging/audit_logging.c: In function âjson_add_timestampâ: >../lib/audit_logging/audit_logging.c:603:12: error: â%sâ directive > output may be truncated writing up to 9 bytes into a region of size > between 0 and 43 [-Werror=format-truncation=] > "%s.%06ld%s", > ^~ >../lib/audit_logging/audit_logging.c:606:3: > tz); > ~~ >../lib/audit_logging/audit_logging.c:600:2: note: âsnprintfâ output > between 8 and 70 bytes into a destination of size 50 > snprintf( > ^~~~~~~~~ > timestamp, > ~~~~~~~~~~ > sizeof(timestamp), > ~~~~~~~~~~~~~~~~~~ > "%s.%06ld%s", > ~~~~~~~~~~~~~ > buffer, > ~~~~~~~ > tv.tv_usec, > ~~~~~~~~~~~ > tz); > ~~~ > >BUG: https://bugzilla.samba.org/show_bug.cgi?id=13437 > >Signed-off-by: Andreas Schneider <asn@samba.org> >Reviewed-by: Guenther Deschner <gd@samba.org> > >(cherry picked from commit 8b7c8eb3907e2123acee67949e88c26072afc81a) >--- > auth/auth_log.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > >diff --git a/auth/auth_log.c b/auth/auth_log.c >index d4c6c445bed..72d8f818396 100644 >--- a/auth/auth_log.c >+++ b/auth/auth_log.c >@@ -350,7 +350,7 @@ static void add_version(struct json_context *context, int major, int minor) > static void add_timestamp(struct json_context *context) > { > char buffer[40]; /* formatted time less usec and timezone */ >- char timestamp[50]; /* the formatted ISO 8601 time stamp */ >+ char timestamp[65]; /* the formatted ISO 8601 time stamp */ > char tz[10]; /* formatted time zone */ > struct tm* tm_info; /* current local time */ > struct timeval tv; /* current system time */ >-- >2.16.3 >
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