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Check return value from asprintf instead of string != NULL since it

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undefined behavior on Linux. From Björn Sandell


git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@16220 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Love Hörnquist Åstrand
2005-10-22 15:07:48 +00:00
parent 4232beb6e4
commit 4863ea9553
3 changed files with 29 additions and 12 deletions
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20
appl/rsh/rshd.c
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@@ -376,6 +376,8 @@ recv_krb5_auth (int s, u_char *buf,
ntohs(socket_get_port (thisaddr)),
*cmd,
*server_username);
if (cksum_data.length == -1)
syslog_and_die ("asprintf: out of memory");
status = krb5_verify_authenticator_checksum(context,
auth_context,
@@ -632,19 +634,25 @@ setup_environment (char ***env, const struct passwd *pwd)
e = *env;
e = realloc(e, (i + 7) * sizeof(char *));
asprintf (&e[i++], "USER=%s", pwd->pw_name);
asprintf (&e[i++], "HOME=%s", pwd->pw_dir);
asprintf (&e[i++], "SHELL=%s", pwd->pw_shell);
if (asprintf (&e[i++], "USER=%s", pwd->pw_name) == -1)
syslog_and_die ("asprintf: out of memory");
if (asprintf (&e[i++], "HOME=%s", pwd->pw_dir) == -1)
syslog_and_die ("asprintf: out of memory");
if (asprintf (&e[i++], "SHELL=%s", pwd->pw_shell) == -1)
syslog_and_die ("asprintf: out of memory");
if (! path) {
asprintf (&e[i++], "PATH=%s", _PATH_DEFPATH);
if (asprintf (&e[i++], "PATH=%s", _PATH_DEFPATH) == -1)
syslog_and_die ("asprintf: out of memory");
}
asprintf (&e[i++], "SSH_CLIENT=only_to_make_bash_happy");
#if defined(DCE)
if (getenv("KRB5CCNAME"))
asprintf (&e[i++], "KRB5CCNAME=%s", getenv("KRB5CCNAME"));
if (asprintf (&e[i++], "KRB5CCNAME=%s", getenv("KRB5CCNAME")) == -1)
syslog_and_die ("asprintf: out of memory");
#else
if (do_unique_tkfile)
asprintf (&e[i++], "KRB5CCNAME=%s", tkfile);
if (asprintf (&e[i++], "KRB5CCNAME=%s", tkfile) == -1)
syslog_and_die ("asprintf: out of memory");
#endif
e[i++] = NULL;
*env = e;