sacc

sacc(omys), simple console gopher client (mirror)
git clone https://git.parazyd.org/sacc
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commit bf6e2f0c9fe5ab30bf03a99d72886b107651c0bb
parent 63737b1ffb50f53932a34001c0e6cc447d6d4e86
Author: Quentin Rameau <quinq@fifth.space>
Date:   Mon, 10 Jul 2017 18:18:22 +0200

Add basic facility to download binary items

Diffstat:
Msacc.c | 70++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++------
1 file changed, 64 insertions(+), 6 deletions(-)

diff --git a/sacc.c b/sacc.c @@ -1,5 +1,6 @@ /* See LICENSE file for copyright and license details. */ #include <errno.h> +#include <fcntl.h> #include <netdb.h> #include <stdarg.h> #include <stdio.h> @@ -103,25 +104,25 @@ typedisplay(char t) case '3': return "Err |"; case '4': - return "Macf|"; + return "Macf+"; case '5': - return "DOSf|"; + return "DOSf+"; case '6': - return "UUEf|"; + return "UUEf+"; case '7': return "Find+"; case '8': return "Tlnt|"; case '9': - return "Binf|"; + return "Binf+"; case '+': return "Mirr|"; case 'T': return "IBMt|"; case 'g': - return "GIF |"; + return "GIF +"; case 'I': - return "Img |"; + return "Img +"; case 'h': return "HTML|"; case 'i': @@ -328,6 +329,46 @@ connectto(const char *host, const char *port) } static int +downloaditem(Item *item) +{ + char buf[BUFSIZ], *path; + ssize_t r, w; + mode_t mode = S_IRUSR|S_IWUSR|S_IRGRP; + int sock, dest; + + if (!(path = uiprompt("Download file to: "))) + return 0; + + path[strlen(path)-1] = '\0'; + + if ((dest = open(path, O_WRONLY|O_CREAT|O_EXCL, mode)) < 0) { + printf("Can't open destination file %s: %s\n", + path, strerror(errno)); + errno = 0; + return 0; + } + + sock = connectto(item->host, item->port); + sendselector(sock, item->selector); + + while ((r = read(sock, buf, BUFSIZ)) > 0) { + while ((w = write(dest, buf, r)) > 0) + r -= w; + } + + if (r < 0 || w < 0) { + printf("Error downloading file %s: %s\n", + item->selector, strerror(errno)); + errno = 0; + } + + close(dest); + close(sock); + + return (r == 0 && w > 0); +} + +static int fetchitem(Item *item) { int sock; @@ -385,6 +426,15 @@ dig(Item *entry, Item *item) return 0; } break; + case '4': + case '5': + case '6': + case '9': + case 'g': + case 'I': + if (!downloaditem(item)) + return 0; + break; default: fprintf(stderr, "Type %c (%s) not supported\n", item->type, typedisplay(item->type)); @@ -421,6 +471,14 @@ delve(Item *hole) hole->selector = selector; } break; + case '4': + case '5': + case '6': /* TODO decode? */ + case '9': + case 'g': + case 'I': + dig(entry, hole); + break; case 0: fprintf(stderr, "Couldn't get %s:%s/%c%s\n", hole->host, hole->port, hole->type, hole->selector);