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libssh2: setting atime or mtime >32bit on 4-bytes-long systems

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Since the libssh2 API uses 'long' to store the timestamp, it cannot
transfer >32bit times on Windows and 32bit architecture builds.

Avoid nasty surprises by instead not setting such time.

Spotted by Coverity

Closes #9325
This commit is contained in:
Daniel Stenberg 2022-08-16 16:29:15 +02:00
parent 44a02d2532
commit 8e88e52ed0
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GPG key ID: 5CC908FDB71E12C2
1 changed files with 18 additions and 4 deletions
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22
lib/vssh/libssh2.c
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@ -1766,8 +1766,15 @@ static CURLcode ssh_statemach_act(struct Curl_easy *data, bool *block)
sshc->actualcode = CURLE_QUOTE_ERROR; sshc->actualcode = CURLE_QUOTE_ERROR;
break; break;
} }
sshp->quote_attrs.atime = (unsigned long)date; #if SIZEOF_TIME_T > SIZEOF_LONG
sshp->quote_attrs.flags = LIBSSH2_SFTP_ATTR_ACMODTIME; if(date > 0xffffffff)
;
else
#endif
{
sshp->quote_attrs.atime = (unsigned long)date;
sshp->quote_attrs.flags = LIBSSH2_SFTP_ATTR_ACMODTIME;
}
} }
else if(strncasecompare(cmd, "mtime", 5)) { else if(strncasecompare(cmd, "mtime", 5)) {
time_t date = Curl_getdate_capped(sshc->quote_path1); time_t date = Curl_getdate_capped(sshc->quote_path1);
@ -1780,8 +1787,15 @@ static CURLcode ssh_statemach_act(struct Curl_easy *data, bool *block)
sshc->actualcode = CURLE_QUOTE_ERROR; sshc->actualcode = CURLE_QUOTE_ERROR;
break; break;
} }
sshp->quote_attrs.mtime = (unsigned long)date; #if SIZEOF_TIME_T > SIZEOF_LONG
sshp->quote_attrs.flags = LIBSSH2_SFTP_ATTR_ACMODTIME; if(date > 0xffffffff)
;
else
#endif
{
sshp->quote_attrs.mtime = (unsigned long)date;
sshp->quote_attrs.flags = LIBSSH2_SFTP_ATTR_ACMODTIME;
}
} }
/* Now send the completed structure... */ /* Now send the completed structure... */