X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=blobdiff_plain;ds=sidebyside;f=scp.c;h=8237f9026c3392436a37866f3b1b476f832a73a1;hb=aa5f38e53c5ce7888b14e65a768ae420c83bf2e1;hp=250e229a5afe59f6a30ea274a164944b8400659c;hpb=ea27f048f931b7eb24df42fca3c71ef0252dff6d;p=PuTTY.git diff --git a/scp.c b/scp.c index 250e229a..8237f902 100644 --- a/scp.c +++ b/scp.c @@ -1,11 +1,15 @@ /* - * scp.c - Scp (Secure Copy) client for PuTTY. - * Joris van Rantwijk, Simon Tatham + * scp.c - Scp (Secure Copy) client for PuTTY. + * Joris van Rantwijk, Simon Tatham * - * This is mainly based on ssh-1.2.26/scp.c by Timo Rinne & Tatu Ylonen. - * They, in turn, used stuff from BSD rcp. - * - * Adaptations to enable connecting a GUI by L. Gunnarsson - Sept 2000 + * This is mainly based on ssh-1.2.26/scp.c by Timo Rinne & Tatu Ylonen. + * They, in turn, used stuff from BSD rcp. + * + * (SGT, 2001-09-10: Joris van Rantwijk assures me that although + * this file as originally submitted was inspired by, and + * _structurally_ based on, ssh-1.2.26's scp.c, there wasn't any + * actual code duplicated, so the above comment shouldn't give rise + * to licensing issues.) */ #include @@ -22,9 +26,6 @@ #include #include #include -/* GUI Adaptation - Sept 2000 */ -#include -#include #define PUTTY_DO_GLOBALS #include "putty.h" @@ -90,7 +91,7 @@ void logevent(char *string) { } -void ldisc_send(char *buf, int len) +void ldisc_send(char *buf, int len, int interactive) { /* * This is only here because of the calls to ldisc_send(NULL, @@ -374,8 +375,6 @@ int from_backend(int is_stderr, char *data, int datalen) return 0; } - inbuf_head = 0; - /* * If this is before the real session begins, just return. */ @@ -602,6 +601,15 @@ static void do_cmd(char *host, char *user, char *cmd) if (portnumber) cfg.port = portnumber; + /* + * Disable scary things which shouldn't be enabled for simple + * things like SCP and SFTP: agent forwarding, port forwarding, + * X forwarding. + */ + cfg.x11_forward = 0; + cfg.agentfwd = 0; + cfg.portfwd[0] = cfg.portfwd[1] = '\0'; + /* * Attempt to start the SFTP subsystem as a first choice, * falling back to the provided scp command if that fails. @@ -652,7 +660,7 @@ static void print_stats(char *name, unsigned long size, unsigned long done, sprintf(etastr, "%02ld:%02ld:%02ld", eta / 3600, (eta % 3600) / 60, eta % 60); - pct = (int) (100.0 * (float) done / size); + pct = (int) (100 * (done * 1.0 / size)); len = printf("\r%-25.25s | %10ld kB | %5.1f kB/s | ETA: %8s | %3d%%", name, done / 1024, ratebs / 1024.0, etastr, pct); @@ -686,12 +694,17 @@ static char *colon(char *str) /* * Return a pointer to the portion of str that comes after the last - * slash (or backslash, if `local' is TRUE). + * slash (or backslash or colon, if `local' is TRUE). */ static char *stripslashes(char *str, int local) { char *p; + if (local) { + p = strchr(str, ':'); + if (p) str = p+1; + } + p = strrchr(str, '/'); if (p) str = p+1; @@ -836,6 +849,7 @@ static struct scp_sftp_dirstack { int namepos, namelen; char *dirpath; char *wildcard; + int matched_something; /* wildcard match set was non-empty */ } *scp_sftp_dirstack_head; static char *scp_sftp_remotepath, *scp_sftp_currentname; static char *scp_sftp_wildcard; @@ -1196,6 +1210,7 @@ int scp_get_sink_action(struct scp_sink_action *act) head->names[head->namepos].filename)))) head->namepos++; /* skip . and .. */ if (head->namepos < head->namelen) { + head->matched_something = 1; fname = dupcat(head->dirpath, "/", head->names[head->namepos++].filename, NULL); @@ -1208,7 +1223,13 @@ int scp_get_sink_action(struct scp_sink_action *act) */ if (head->wildcard) { act->action = SCP_SINK_RETRY; + if (!head->matched_something) { + tell_user(stderr, "pscp: wildcard '%s' matched " + "no files", head->wildcard); + errs++; + } sfree(head->wildcard); + } else { act->action = SCP_SINK_ENDDIR; } @@ -1329,6 +1350,7 @@ int scp_get_sink_action(struct scp_sink_action *act) newitem->dirpath = dupstr(fname); if (scp_sftp_wildcard) { newitem->wildcard = scp_sftp_wildcard; + newitem->matched_something = 0; scp_sftp_wildcard = NULL; } else { newitem->wildcard = NULL; @@ -1722,9 +1744,10 @@ static void sink(char *targ, char *src) * Prevent the remote side from maliciously writing to * files outside the target area by sending a filename * containing `../'. In fact, it shouldn't be sending - * filenames with any slashes in at all; so we'll find - * the last slash or backslash in the filename and use - * only the part after that. (And warn!) + * filenames with any slashes or colons in at all; so + * we'll find the last slash, backslash or colon in the + * filename and use only the part after that. (And + * warn!) * * In addition, we also ensure here that if we're * copying a single file and the target is a directory @@ -1752,7 +1775,9 @@ static void sink(char *targ, char *src) striptarget = stripslashes(act.name, 1); if (striptarget != act.name) { tell_user(stderr, "warning: remote host sent a compound" - " pathname - possibly malicious! (ignored)"); + " pathname '%s'", act.name); + tell_user(stderr, " renaming local file to '%s'", + striptarget); } /* @@ -1875,7 +1900,7 @@ static void sink(char *targ, char *src) } (void) scp_finish_filerecv(); sfree(destfname); - sfree(act.name); + sfree(act.buf); } } @@ -1956,13 +1981,6 @@ static void toremote(int argc, char *argv[]) */ srcpath = dupstr(src); last = stripslashes(srcpath, 1); - if (last == srcpath) { - last = strchr(srcpath, ':'); - if (last) - last++; - else - last = srcpath; - } *last = '\0'; dir = FindFirstFile(src, &fdat);