tools/mpack-1.6/unixpk.c

/* (C) Copyright 1993,1994 by Carnegie Mellon University
 * All Rights Reserved.
 *
 * Permission to use, copy, modify, distribute, and sell this software
 * and its documentation for any purpose is hereby granted without
 * fee, provided that the above copyright notice appear in all copies
 * and that both that copyright notice and this permission notice
 * appear in supporting documentation, and that the name of Carnegie
 * Mellon University not be used in advertising or publicity
 * pertaining to distribution of the software without specific,
 * written prior permission.  Carnegie Mellon University makes no
 * representations about the suitability of this software for any
 * purpose.  It is provided "as is" without express or implied
 * warranty.
 *
 * CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
 * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
 * FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
 * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
 * SOFTWARE.
 */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#ifdef HAVE_GETOPT_H
#include <getopt.h>
#endif
#include <sys/types.h>
#include <sys/wait.h>
#include <unistd.h>
#include "common.h"
#include "version.h"
#include "xmalloc.h"

#define MAXADDRESS 100

extern int attachment;

void usage(void);
void sendmail(FILE *infile, char **addr, int start);
void inews(FILE *infile);
void os_perror(char *str);
int encode(FILE *infile, FILE *applefile, char *fname, FILE *descfile,
           char *subject, char *headers, long int maxsize,
           char *typeoverride, char *outfname);

int main(int argc, char **argv)
{
    int opt;
    char *fname = 0;
    char *subject = 0;
    char *descfname = 0;
    long maxsize = 0;
    char *outfname = 0;
    char *newsgroups = 0;
    char *ctype = 0;
    char *headers = 0;
    int i;
    char *p;
    char sbuf[1024];
    char fnamebuf[4096];
    int part;
    FILE *infile;
    FILE *descfile = 0;

    if ((p = getenv("SPLITSIZE")) && *p >= '0' && *p <= '9') {
        maxsize = atoi(p);
    }

    while ((opt = getopt(argc, argv, "as:d:m:c:o:n:")) != EOF) {
        switch (opt) {
        case 's':
            subject = optarg;
            break;

        case 'd':
            descfname = optarg;
            break;

        case 'm':
            maxsize = atoi(optarg);
            break;

        case 'c':
            ctype = optarg;
            break;

        case 'o':
            outfname = optarg;
            break;

        case 'n':
            newsgroups = optarg;
            break;

        case 'a':
            attachment = 1;
            break;

        default:
            usage();

        }
    }

    if (ctype) {
        if (!strncasecmp(ctype, "text/", 5)) {
            fprintf(stderr, "This program is not appropriate for encoding textual data\n");
            exit(1);
        }
        if (strncasecmp(ctype, "application/", 12) && strncasecmp(ctype, "audio/", 6) &&
            strncasecmp(ctype, "image/", 6) && strncasecmp(ctype, "video/", 6)) {
            fprintf(stderr, "Content type must be subtype of application, audio, image, or video\n");
            exit(1);
        }
    }

    if (optind == argc) {
        fprintf(stderr, "An input file must be specified\n");
        usage();
    }
    fname = argv[optind++];

    /* Must have exactly one of -o, -n, or destination addrs */
    if (optind == argc) {
        if (outfname && newsgroups) {
            fprintf(stderr, "The -o and -n switches are mutually exclusive.\n");
            usage();
        }
        if (!outfname && !newsgroups) {
            fprintf(stderr, "Either an address or one of the -o or -n switches is required\n");
            usage();
        }
        if (newsgroups) {
            headers = xmalloc(strlen(newsgroups) + 25);
            sprintf(headers, "Newsgroups: %s\n", newsgroups);
        }
    }
    else {
        if (outfname) {
            fprintf(stderr, "The -o switch and addresses are mutually exclusive.\n");
            usage();
        }
        if (newsgroups) {
            fprintf(stderr, "The -n switch and addresses are mutually exclusive.\n");
            usage();
        }
        headers = xmalloc(strlen(argv[optind]) + 25);
        sprintf(headers, "To: %s", argv[optind]);
        for (i = optind+1; i < argc; i++) {
            headers = xrealloc(headers, strlen(headers)+strlen(argv[i]) + 25);
            strcat(headers, ",\n\t");
            strcat(headers, argv[i]);
        }
        strcat(headers, "\n");
    }

    if (!subject) {
        fputs("Subject: ", stdout);
        fflush(stdout);
        if (!fgets(sbuf, sizeof(sbuf), stdin)) {
            fprintf(stderr, "A subject is required\n");
            usage();
        }
        if ((p = strchr(sbuf, '\n'))) *p = '\0';
        subject = sbuf;
    }   

    if (!outfname) {
        if (getenv("TMPDIR")) {
            strcpy(fnamebuf, getenv("TMPDIR"));
        }
        else {
            strcpy(fnamebuf, "/var/tmp");
        }
        strcat(fnamebuf, "/mpackXXXXXX");
        mktemp(fnamebuf);
        outfname = strsave(fnamebuf);
    }

    infile = fopen(fname, "r");
    if (!infile) {
        os_perror(fname);
        exit(1);
    }

    if (descfname) {
        descfile = fopen(descfname, "r");
        if (!descfile) {
            os_perror(descfname);
            exit(1);
        }
    }

    if (encode(infile, (FILE *)0, fname, descfile, subject, headers,
               maxsize, ctype, outfname)) exit(1);

    if (optind < argc || newsgroups) {
        for (part = 0;;part++) {
            sprintf(fnamebuf, "%s.%02d", outfname, part);
            infile = fopen(part ? fnamebuf : outfname, "r");
            if (!infile) {
                if (part) break;
                continue;
            }
            if (newsgroups) {
                inews(infile);
            }
            else {
                sendmail(infile, argv, optind);
            }
            fclose(infile);
            remove(part ? fnamebuf : outfname);
        }
    }

    exit(0);
}

void usage(void)
{
    fprintf(stderr, "mpack version %s\n", MPACK_VERSION);
    fprintf(stderr, 
"usage: mpack [-s subj] [-d file] [-m maxsize] [-c content-type] file address...\n");
    fprintf(stderr, 
"       mpack [-s subj] [-d file] [-m maxsize] [-c content-type] -o file file\n");
    fprintf(stderr, 
"       mpack [-s subj] [-d file] [-m maxsize] [-c content-type] -n groups file\n");
    exit(1);
}

void sendmail(FILE *infile, char **addr, int start)
{
    int status;
    int pid;

    if (start < 2) abort();

#ifdef SCO
    addr[--start] = "execmail";
#else
    addr[--start] = "-oi";
    addr[--start] = "sendmail";
#endif

    do {
        pid = fork();
    } while (pid == -1 && errno == EAGAIN);
    
    if (pid == -1) {
        perror("fork");
        return;
    }
    if (pid != 0) {
        while (pid != wait(&status));
        return;
    }

    dup2(fileno(infile), 0);
    fclose(infile);
#ifdef SCO
    execv("/usr/lib/mail/execmail", addr+start);
#else
    execv("/usr/lib/sendmail", addr+start);
    execv("/usr/sbin/sendmail", addr+start);
#endif
    perror("execv");
    _exit(1);
}

void inews(FILE *infile)
{
    int status;
    int pid;

    do {
        pid = fork();
    } while (pid == -1 && errno == EAGAIN);
    
    if (pid == -1) {
        perror("fork");
        return;
    }
    if (pid != 0) {
        while (pid != wait(&status));
        return;
    }

    dup2(fileno(infile), 0);
    fclose(infile);
    execlp("inews", "inews", "-h", "-S", (char *)0);
    execl("/usr/local/news/inews", "inews", "-h", "-S", (char *)0);
    execl("/usr/local/lib/news/inews", "inews", "-h", "-S", (char *)0);
    execl("/etc/inews", "inews", "-h", "-S", (char *)0);
    execl("/usr/etc/inews", "inews", "-h", "-S", (char *)0);
    execl("/usr/news/inews", "inews", "-h", "-S", (char *)0);
    execl("/usr/news/bin/inews", "inews", "-h", "-S", (char *)0);
    perror("execl");
    _exit(1);
}

void warn(void)
{
    abort();
}
1	/* (C) Copyright 1993,1994 by Carnegie Mellon University
2	* All Rights Reserved.
3	*
4	* Permission to use, copy, modify, distribute, and sell this software
5	* and its documentation for any purpose is hereby granted without
6	* fee, provided that the above copyright notice appear in all copies
7	* and that both that copyright notice and this permission notice
8	* appear in supporting documentation, and that the name of Carnegie
9	* Mellon University not be used in advertising or publicity
10	* pertaining to distribution of the software without specific,
11	* written prior permission. Carnegie Mellon University makes no
12	* representations about the suitability of this software for any
13	* purpose. It is provided "as is" without express or implied
14	* warranty.
15	*
16	* CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
17	* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
18	* AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
19	* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
20	* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
21	* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
22	* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
23	* SOFTWARE.
24	*/
25	#include <stdio.h>
26	#include <stdlib.h>
27	#include <string.h>
28	#include <errno.h>
29	#ifdef HAVE_GETOPT_H
30	#include <getopt.h>
31	#endif
32	#include <sys/types.h>
33	#include <sys/wait.h>
34	#include <unistd.h>
35	#include "common.h"
36	#include "version.h"
37	#include "xmalloc.h"
38
39	#define MAXADDRESS 100
40
41	extern int attachment;
42
43	void usage(void);
44	void sendmail(FILE infile, char *addr, int start);
45	void inews(FILE *infile);
46	void os_perror(char *str);
47	int encode(FILE infile, FILE applefile, char fname, FILE descfile,
48	char subject, char headers, long int maxsize,
49	char typeoverride, char outfname);
50
51	int main(int argc, char **argv)
52	{
53	int opt;
54	char *fname = 0;
55	char *subject = 0;
56	char *descfname = 0;
57	long maxsize = 0;
58	char *outfname = 0;
59	char *newsgroups = 0;
60	char *ctype = 0;
61	char *headers = 0;
62	int i;
63	char *p;
64	char sbuf[1024];
65	char fnamebuf[4096];
66	int part;
67	FILE *infile;
68	FILE *descfile = 0;
69
70	if ((p = getenv("SPLITSIZE")) && p >= '0' && p <= '9') {
71	maxsize = atoi(p);
72	}
73
74	while ((opt = getopt(argc, argv, "as:d:m:c:o:n:")) != EOF) {
75	switch (opt) {
76	case 's':
77	subject = optarg;
78	break;
79
80	case 'd':
81	descfname = optarg;
82	break;
83
84	case 'm':
85	maxsize = atoi(optarg);
86	break;
87
88	case 'c':
89	ctype = optarg;
90	break;
91
92	case 'o':
93	outfname = optarg;
94	break;
95
96	case 'n':
97	newsgroups = optarg;
98	break;
99
100	case 'a':
101	attachment = 1;
102	break;
103
104	default:
105	usage();
106
107	}
108	}
109
110	if (ctype) {
111	if (!strncasecmp(ctype, "text/", 5)) {
112	fprintf(stderr, "This program is not appropriate for encoding textual data\n");
113	exit(1);
114	}
115	if (strncasecmp(ctype, "application/", 12) && strncasecmp(ctype, "audio/", 6) &&
116	strncasecmp(ctype, "image/", 6) && strncasecmp(ctype, "video/", 6)) {
117	fprintf(stderr, "Content type must be subtype of application, audio, image, or video\n");
118	exit(1);
119	}
120	}
121
122	if (optind == argc) {
123	fprintf(stderr, "An input file must be specified\n");
124	usage();
125	}
126	fname = argv[optind++];
127
128	/* Must have exactly one of -o, -n, or destination addrs */
129	if (optind == argc) {
130	if (outfname && newsgroups) {
131	fprintf(stderr, "The -o and -n switches are mutually exclusive.\n");
132	usage();
133	}
134	if (!outfname && !newsgroups) {
135	fprintf(stderr, "Either an address or one of the -o or -n switches is required\n");
136	usage();
137	}
138	if (newsgroups) {
139	headers = xmalloc(strlen(newsgroups) + 25);
140	sprintf(headers, "Newsgroups: %s\n", newsgroups);
141	}
142	}
143	else {
144	if (outfname) {
145	fprintf(stderr, "The -o switch and addresses are mutually exclusive.\n");
146	usage();
147	}
148	if (newsgroups) {
149	fprintf(stderr, "The -n switch and addresses are mutually exclusive.\n");
150	usage();
151	}
152	headers = xmalloc(strlen(argv[optind]) + 25);
153	sprintf(headers, "To: %s", argv[optind]);
154	for (i = optind+1; i < argc; i++) {
155	headers = xrealloc(headers, strlen(headers)+strlen(argv[i]) + 25);
156	strcat(headers, ",\n\t");
157	strcat(headers, argv[i]);
158	}
159	strcat(headers, "\n");
160	}
161
162	if (!subject) {
163	fputs("Subject: ", stdout);
164	fflush(stdout);
165	if (!fgets(sbuf, sizeof(sbuf), stdin)) {
166	fprintf(stderr, "A subject is required\n");
167	usage();
168	}
169	if ((p = strchr(sbuf, '\n'))) *p = '\0';
170	subject = sbuf;
171	}
172
173	if (!outfname) {
174	if (getenv("TMPDIR")) {
175	strcpy(fnamebuf, getenv("TMPDIR"));
176	}
177	else {
178	strcpy(fnamebuf, "/var/tmp");
179	}
180	strcat(fnamebuf, "/mpackXXXXXX");
181	mktemp(fnamebuf);
182	outfname = strsave(fnamebuf);
183	}
184
185	infile = fopen(fname, "r");
186	if (!infile) {
187	os_perror(fname);
188	exit(1);
189	}
190
191	if (descfname) {
192	descfile = fopen(descfname, "r");
193	if (!descfile) {
194	os_perror(descfname);
195	exit(1);
196	}
197	}
198
199	if (encode(infile, (FILE *)0, fname, descfile, subject, headers,
200	maxsize, ctype, outfname)) exit(1);
201
202	if (optind < argc \|\| newsgroups) {
203	for (part = 0;;part++) {
204	sprintf(fnamebuf, "%s.%02d", outfname, part);
205	infile = fopen(part ? fnamebuf : outfname, "r");
206	if (!infile) {
207	if (part) break;
208	continue;
209	}
210	if (newsgroups) {
211	inews(infile);
212	}
213	else {
214	sendmail(infile, argv, optind);
215	}
216	fclose(infile);
217	remove(part ? fnamebuf : outfname);
218	}
219	}
220
221	exit(0);
222	}
223
224	void usage(void)
225	{
226	fprintf(stderr, "mpack version %s\n", MPACK_VERSION);
227	fprintf(stderr,
228	"usage: mpack [-s subj] [-d file] [-m maxsize] [-c content-type] file address...\n");
229	fprintf(stderr,
230	" mpack [-s subj] [-d file] [-m maxsize] [-c content-type] -o file file\n");
231	fprintf(stderr,
232	" mpack [-s subj] [-d file] [-m maxsize] [-c content-type] -n groups file\n");
233	exit(1);
234	}
235
236	void sendmail(FILE infile, char *addr, int start)
237	{
238	int status;
239	int pid;
240
241	if (start < 2) abort();
242
243	#ifdef SCO
244	addr[--start] = "execmail";
245	#else
246	addr[--start] = "-oi";
247	addr[--start] = "sendmail";
248	#endif
249
250	do {
251	pid = fork();
252	} while (pid == -1 && errno == EAGAIN);
253
254	if (pid == -1) {
255	perror("fork");
256	return;
257	}
258	if (pid != 0) {
259	while (pid != wait(&status));
260	return;
261	}
262
263	dup2(fileno(infile), 0);
264	fclose(infile);
265	#ifdef SCO
266	execv("/usr/lib/mail/execmail", addr+start);
267	#else
268	execv("/usr/lib/sendmail", addr+start);
269	execv("/usr/sbin/sendmail", addr+start);
270	#endif
271	perror("execv");
272	_exit(1);
273	}
274
275	void inews(FILE *infile)
276	{
277	int status;
278	int pid;
279
280	do {
281	pid = fork();
282	} while (pid == -1 && errno == EAGAIN);
283
284	if (pid == -1) {
285	perror("fork");
286	return;
287	}
288	if (pid != 0) {
289	while (pid != wait(&status));
290	return;
291	}
292
293	dup2(fileno(infile), 0);
294	fclose(infile);
295	execlp("inews", "inews", "-h", "-S", (char *)0);
296	execl("/usr/local/news/inews", "inews", "-h", "-S", (char *)0);
297	execl("/usr/local/lib/news/inews", "inews", "-h", "-S", (char *)0);
298	execl("/etc/inews", "inews", "-h", "-S", (char *)0);
299	execl("/usr/etc/inews", "inews", "-h", "-S", (char *)0);
300	execl("/usr/news/inews", "inews", "-h", "-S", (char *)0);
301	execl("/usr/news/bin/inews", "inews", "-h", "-S", (char *)0);
302	perror("execl");
303	_exit(1);
304	}
305
306	void warn(void)
307	{
308	abort();
309	}