pam/pam-1.4.0-coverity.patch
Petr Šabata 6165e91cb4 RHEL 9.0.0 Alpha bootstrap
The content of this branch was automatically imported from Fedora ELN
with the following as its source:
https://src.fedoraproject.org/rpms/pam#767f761a2d5d99b87ebc44c4ad751467b46b1d97
2020-10-15 22:44:37 +02:00

132 lines
5.3 KiB
Diff

diff -up Linux-PAM-1.4.0/libpam_misc/misc_conv.c.coverity Linux-PAM-1.4.0/libpam_misc/misc_conv.c
--- Linux-PAM-1.4.0/libpam_misc/misc_conv.c.coverity 2020-06-08 12:17:27.000000000 +0200
+++ Linux-PAM-1.4.0/libpam_misc/misc_conv.c 2020-06-23 10:19:32.999827223 +0200
@@ -211,7 +211,7 @@ static int read_string(int echo, const c
line[nc] = '\0';
}
*retstr = strdup(line);
- _pam_overwrite(line);
+ _pam_overwrite_n(line, sizeof(line));
if (!*retstr) {
D(("no memory for response string"));
nc = -1;
@@ -244,7 +244,7 @@ static int read_string(int echo, const c
D(("the timer appears to have expired"));
*retstr = NULL;
- _pam_overwrite(line);
+ _pam_overwrite_n(line, sizeof(line));
cleanexit:
diff -up Linux-PAM-1.4.0/libpam/pam_handlers.c.coverity Linux-PAM-1.4.0/libpam/pam_handlers.c
diff -up Linux-PAM-1.4.0/modules/pam_access/pam_access.c.coverity Linux-PAM-1.4.0/modules/pam_access/pam_access.c
--- Linux-PAM-1.4.0/modules/pam_access/pam_access.c.coverity 2020-06-23 10:19:32.999827223 +0200
+++ Linux-PAM-1.4.0/modules/pam_access/pam_access.c 2020-06-23 10:21:17.113398827 +0200
@@ -811,7 +811,7 @@ pam_sm_authenticate (pam_handle_t *pamh,
const char *user=NULL;
const void *void_from=NULL;
const char *from;
- const char *default_config = PAM_ACCESS_CONFIG;
+ const char * const default_config = PAM_ACCESS_CONFIG;
struct passwd *user_pw;
char hostname[MAXHOSTNAMELEN + 1];
int rv;
diff -up Linux-PAM-1.4.0/modules/pam_limits/pam_limits.c.coverity Linux-PAM-1.4.0/modules/pam_limits/pam_limits.c
--- Linux-PAM-1.4.0/modules/pam_limits/pam_limits.c.coverity 2020-06-08 12:17:27.000000000 +0200
+++ Linux-PAM-1.4.0/modules/pam_limits/pam_limits.c 2020-06-23 10:22:40.357855843 +0200
@@ -342,7 +342,7 @@ static const char *lnames[RLIM_NLIMITS]
#endif
};
-static int str2rlimit(char *name) {
+static int str2rlimit(const char *name) {
int i;
if (!name || *name == '\0')
return -1;
@@ -352,7 +352,7 @@ static int str2rlimit(char *name) {
return -1;
}
-static rlim_t str2rlim_t(char *value) {
+static rlim_t str2rlim_t(const char *value) {
unsigned long long rlimit = 0;
if (!value) return (rlim_t)rlimit;
@@ -384,7 +384,7 @@ static void parse_kernel_limits(pam_hand
FILE *limitsfile;
const char *proclimits = "/proc/1/limits";
char line[256];
- char *hard, *soft, *name;
+ const char *hard, *soft, *name;
if (!(limitsfile = fopen(proclimits, "r"))) {
pam_syslog(pamh, LOG_WARNING, "Could not read %s (%s), using PAM defaults", proclimits, strerror(errno));
diff -up Linux-PAM-1.4.0/modules/pam_loginuid/pam_loginuid.c.coverity Linux-PAM-1.4.0/modules/pam_loginuid/pam_loginuid.c
--- Linux-PAM-1.4.0/modules/pam_loginuid/pam_loginuid.c.coverity 2020-06-08 12:17:27.000000000 +0200
+++ Linux-PAM-1.4.0/modules/pam_loginuid/pam_loginuid.c 2020-06-23 10:19:32.999827223 +0200
@@ -65,7 +65,7 @@ static int set_loginuid(pam_handle_t *pa
fd = open("/proc/self/uid_map", O_RDONLY);
if (fd >= 0) {
count = pam_modutil_read(fd, uid_map, sizeof(uid_map));
- if (strncmp(uid_map, host_uid_map, count) != 0)
+ if (count <= 0 || strncmp(uid_map, host_uid_map, count) != 0)
rc = PAM_IGNORE;
close(fd);
}
diff -up Linux-PAM-1.4.0/modules/pam_mkhomedir/mkhomedir_helper.c.coverity Linux-PAM-1.4.0/modules/pam_mkhomedir/mkhomedir_helper.c
--- Linux-PAM-1.4.0/modules/pam_mkhomedir/mkhomedir_helper.c.coverity 2020-06-08 12:17:27.000000000 +0200
+++ Linux-PAM-1.4.0/modules/pam_mkhomedir/mkhomedir_helper.c 2020-06-23 10:19:33.000827228 +0200
@@ -232,6 +232,8 @@ create_homedir(const struct passwd *pwd,
{
pam_syslog(NULL, LOG_DEBUG,
"unable to open or stat src file %s: %m", newsource);
+ if (srcfd >= 0)
+ close(srcfd);
closedir(d);
#ifndef PATH_MAX
diff -up Linux-PAM-1.4.0/modules/pam_namespace/pam_namespace.c.coverity Linux-PAM-1.4.0/modules/pam_namespace/pam_namespace.c
--- Linux-PAM-1.4.0/modules/pam_namespace/pam_namespace.c.coverity 2020-06-08 12:17:27.000000000 +0200
+++ Linux-PAM-1.4.0/modules/pam_namespace/pam_namespace.c 2020-06-23 10:19:33.000827228 +0200
@@ -1488,6 +1488,7 @@ static int create_instance(struct polydi
if (fstat(fd, &newstatbuf) < 0) {
pam_syslog(idata->pamh, LOG_ERR, "Error stating %s, %m",
ipath);
+ close(fd);
rmdir(ipath);
return PAM_SESSION_ERR;
}
diff -up Linux-PAM-1.4.0/modules/pam_rootok/pam_rootok.c.coverity Linux-PAM-1.4.0/modules/pam_rootok/pam_rootok.c
--- Linux-PAM-1.4.0/modules/pam_rootok/pam_rootok.c.coverity 2020-06-08 12:17:27.000000000 +0200
+++ Linux-PAM-1.4.0/modules/pam_rootok/pam_rootok.c 2020-06-23 10:26:21.405069413 +0200
@@ -55,15 +55,17 @@ log_callback (int type UNUSED, const cha
int audit_fd;
va_list ap;
- va_start(ap, fmt);
#ifdef HAVE_LIBAUDIT
audit_fd = audit_open();
if (audit_fd >= 0) {
char *buf;
+ int ret;
- if (vasprintf (&buf, fmt, ap) < 0) {
- va_end(ap);
+ va_start(ap, fmt);
+ ret = vasprintf (&buf, fmt, ap);
+ va_end(ap);
+ if (ret < 0) {
return 0;
}
audit_log_user_avc_message(audit_fd, AUDIT_USER_AVC, buf, NULL, NULL,
@@ -75,6 +77,7 @@ log_callback (int type UNUSED, const cha
}
#endif
+ va_start(ap, fmt);
vsyslog (LOG_USER | LOG_INFO, fmt, ap);
va_end(ap);
return 0;