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From 50c3f30d610ed9979a1291422e8641e05f881212 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Petr=20P=C3=ADsa=C5=99?= <ppisar@redhat.com>
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Date: Tue, 5 Nov 2019 14:20:46 +0100
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Subject: [PATCH] warnquota: Initialize all members of a configparams structure
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Running warnquota under valgrind reported many "Conditional jump or
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move depends on uninitialised value" mistakes because readconfigfile()
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did not initizalize ldap_bindpw member if some of the configuration
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options were missing from the configuration file.
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This patch simply initializes all bytes of the configparams structure
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to 0 instead of settting each of the members explicitly.
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Signed-off-by: Petr Písař <ppisar@redhat.com>
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---
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warnquota.c | 8 +-------
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1 file changed, 1 insertion(+), 7 deletions(-)
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diff --git a/warnquota.c b/warnquota.c
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index f6b42d5..2882fee 100644
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--- a/warnquota.c
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+++ b/warnquota.c
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@@ -759,13 +759,13 @@ static int readconfigfile(const char *filename, struct configparams *config)
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char *locale;
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/* set default values */
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+ memset(config, 0, sizeof(*config));
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sstrncpy(config->mail_cmd, MAIL_CMD, CNF_BUFFER);
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sstrncpy(config->from, FROM, CNF_BUFFER);
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sstrncpy(config->subject, SUBJECT, CNF_BUFFER);
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sstrncpy(config->cc_to, CC_TO, CNF_BUFFER);
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sstrncpy(config->support, SUPPORT, CNF_BUFFER);
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sstrncpy(config->phone, PHONE, CNF_BUFFER);
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- (config->charset)[0] = '\0';
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setlocale(LC_ALL, NULL);
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locale = setlocale(LC_MESSAGES, NULL);
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#ifdef HAVE_NL_LANGINFO
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@@ -775,17 +775,11 @@ static int readconfigfile(const char *filename, struct configparams *config)
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}
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#endif
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maildev[0] = 0;
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- config->user_signature = config->user_message = config->group_signature = config->group_message = NULL;
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config->cc_before = -1;
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#ifdef USE_LDAP_MAIL_LOOKUP
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- config->use_ldap_mail = 0;
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- config->ldap_starttls = 0;
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config->ldap_tls = LDAP_OPT_X_TLS_NEVER;
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config->ldap_vers = LDAP_VERSION3;
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- config->ldap_port = config->ldap_is_setup = 0;
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- config->ldap_host[0] = 0;
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- config->ldap_uri[0] = 0;
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#endif
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if (!(fp = fopen(filename, "r"))) {
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--
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2.21.0
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