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 <string.h>
#include <errno.h>
#include "common.h"
#include "version.h"
#include "xmalloc.h"

#define MAXADDRESS 100

extern char *getenv();

extern int errno;
extern int optind;
extern char *optarg;

void usage(void);
void sendmail(FILE *infile, char **addr, int start);
void inews(FILE *infile);

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, "s: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;

        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, "/usr/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 <string.h>
27	#include <errno.h>
28	#include "common.h"
29	#include "version.h"
30	#include "xmalloc.h"
31
32	#define MAXADDRESS 100
33
34	extern char *getenv();
35
36	extern int errno;
37	extern int optind;
38	extern char *optarg;
39
40	void usage(void);
41	void sendmail(FILE infile, char *addr, int start);
42	void inews(FILE *infile);
43
44	int main(int argc, char **argv)
45	{
46	int opt;
47	char *fname = 0;
48	char *subject = 0;
49	char *descfname = 0;
50	long maxsize = 0;
51	char *outfname = 0;
52	char *newsgroups = 0;
53	char *ctype = 0;
54	char *headers = 0;
55	int i;
56	char *p;
57	char sbuf[1024];
58	char fnamebuf[4096];
59	int part;
60	FILE *infile;
61	FILE *descfile = 0;
62
63	if ((p = getenv("SPLITSIZE")) && p >= '0' && p <= '9') {
64	maxsize = atoi(p);
65	}
66
67	while ((opt = getopt(argc, argv, "s:d:m:c:o:n:")) != EOF) {
68	switch (opt) {
69	case 's':
70	subject = optarg;
71	break;
72
73	case 'd':
74	descfname = optarg;
75	break;
76
77	case 'm':
78	maxsize = atoi(optarg);
79	break;
80
81	case 'c':
82	ctype = optarg;
83	break;
84
85	case 'o':
86	outfname = optarg;
87	break;
88
89	case 'n':
90	newsgroups = optarg;
91	break;
92
93	default:
94	usage();
95
96	}
97	}
98
99	if (ctype) {
100	if (!strncasecmp(ctype, "text/", 5)) {
101	fprintf(stderr, "This program is not appropriate for encoding textual data\n");
102	exit(1);
103	}
104	if (strncasecmp(ctype, "application/", 12) && strncasecmp(ctype, "audio/", 6) &&
105	strncasecmp(ctype, "image/", 6) && strncasecmp(ctype, "video/", 6)) {
106	fprintf(stderr, "Content type must be subtype of application, audio, image, or video\n");
107	exit(1);
108	}
109	}
110
111	if (optind == argc) {
112	fprintf(stderr, "An input file must be specified\n");
113	usage();
114	}
115	fname = argv[optind++];
116
117	/* Must have exactly one of -o, -n, or destination addrs */
118	if (optind == argc) {
119	if (outfname && newsgroups) {
120	fprintf(stderr, "The -o and -n switches are mutually exclusive.\n");
121	usage();
122	}
123	if (!outfname && !newsgroups) {
124	fprintf(stderr, "Either an address or one of the -o or -n switches is required\n");
125	usage();
126	}
127	if (newsgroups) {
128	headers = xmalloc(strlen(newsgroups) + 25);
129	sprintf(headers, "Newsgroups: %s\n", newsgroups);
130	}
131	}
132	else {
133	if (outfname) {
134	fprintf(stderr, "The -o switch and addresses are mutually exclusive.\n");
135	usage();
136	}
137	if (newsgroups) {
138	fprintf(stderr, "The -n switch and addresses are mutually exclusive.\n");
139	usage();
140	}
141	headers = xmalloc(strlen(argv[optind]) + 25);
142	sprintf(headers, "To: %s", argv[optind]);
143	for (i = optind+1; i < argc; i++) {
144	headers = xrealloc(headers, strlen(headers)+strlen(argv[i]) + 25);
145	strcat(headers, ",\n\t");
146	strcat(headers, argv[i]);
147	}
148	strcat(headers, "\n");
149	}
150
151	if (!subject) {
152	fputs("Subject: ", stdout);
153	fflush(stdout);
154	if (!fgets(sbuf, sizeof(sbuf), stdin)) {
155	fprintf(stderr, "A subject is required\n");
156	usage();
157	}
158	if (p = strchr(sbuf, '\n')) *p = '\0';
159	subject = sbuf;
160	}
161
162	if (!outfname) {
163	if (getenv("TMPDIR")) {
164	strcpy(fnamebuf, getenv("TMPDIR"));
165	}
166	else {
167	strcpy(fnamebuf, "/usr/tmp");
168	}
169	strcat(fnamebuf, "/mpackXXXXXX");
170	mktemp(fnamebuf);
171	outfname = strsave(fnamebuf);
172	}
173
174	infile = fopen(fname, "r");
175	if (!infile) {
176	os_perror(fname);
177	exit(1);
178	}
179
180	if (descfname) {
181	descfile = fopen(descfname, "r");
182	if (!descfile) {
183	os_perror(descfname);
184	exit(1);
185	}
186	}
187
188	if (encode(infile, (FILE *)0, fname, descfile, subject, headers,
189	maxsize, ctype, outfname)) exit(1);
190
191	if (optind < argc \|\| newsgroups) {
192	for (part = 0;;part++) {
193	sprintf(fnamebuf, "%s.%02d", outfname, part);
194	infile = fopen(part ? fnamebuf : outfname, "r");
195	if (!infile) {
196	if (part) break;
197	continue;
198	}
199	if (newsgroups) {
200	inews(infile);
201	}
202	else {
203	sendmail(infile, argv, optind);
204	}
205	fclose(infile);
206	remove(part ? fnamebuf : outfname);
207	}
208	}
209
210	exit(0);
211	}
212
213	void usage(void)
214	{
215	fprintf(stderr, "mpack version %s\n", MPACK_VERSION);
216	fprintf(stderr,
217	"usage: mpack [-s subj] [-d file] [-m maxsize] [-c content-type] file address...\n");
218	fprintf(stderr,
219	" mpack [-s subj] [-d file] [-m maxsize] [-c content-type] -o file file\n");
220	fprintf(stderr,
221	" mpack [-s subj] [-d file] [-m maxsize] [-c content-type] -n groups file\n");
222	exit(1);
223	}
224
225	void sendmail(FILE infile, char *addr, int start)
226	{
227	int status;
228	int pid;
229
230	if (start < 2) abort();
231
232	#ifdef SCO
233	addr[--start] = "execmail";
234	#else
235	addr[--start] = "-oi";
236	addr[--start] = "sendmail";
237	#endif
238
239	do {
240	pid = fork();
241	} while (pid == -1 && errno == EAGAIN);
242
243	if (pid == -1) {
244	perror("fork");
245	return;
246	}
247	if (pid != 0) {
248	while (pid != wait(&status));
249	return;
250	}
251
252	dup2(fileno(infile), 0);
253	fclose(infile);
254	#ifdef SCO
255	execv("/usr/lib/mail/execmail", addr+start);
256	#else
257	execv("/usr/lib/sendmail", addr+start);
258	execv("/usr/sbin/sendmail", addr+start);
259	#endif
260	perror("execv");
261	_exit(1);
262	}
263
264	void inews(FILE *infile)
265	{
266	int status;
267	int pid;
268
269	do {
270	pid = fork();
271	} while (pid == -1 && errno == EAGAIN);
272
273	if (pid == -1) {
274	perror("fork");
275	return;
276	}
277	if (pid != 0) {
278	while (pid != wait(&status));
279	return;
280	}
281
282	dup2(fileno(infile), 0);
283	fclose(infile);
284	execlp("inews", "inews", "-h", "-S", (char *)0);
285	execl("/usr/local/news/inews", "inews", "-h", "-S", (char *)0);
286	execl("/usr/local/lib/news/inews", "inews", "-h", "-S", (char *)0);
287	execl("/etc/inews", "inews", "-h", "-S", (char *)0);
288	execl("/usr/etc/inews", "inews", "-h", "-S", (char *)0);
289	execl("/usr/news/inews", "inews", "-h", "-S", (char *)0);
290	execl("/usr/news/bin/inews", "inews", "-h", "-S", (char *)0);
291	perror("execl");
292	_exit(1);
293	}
294
295	void warn(void)
296	{
297	abort();
298	}